Sophie Dexter
/
Just4Trionic
Just4Trionic - CAN and BDM FLASH programmer for Saab cars
bdmcpu32.cpp@2:bf3a2b29259a, 2010-12-14 (annotated)
- Committer:
- Just4pLeisure
- Date:
- Tue Dec 14 21:50:35 2010 +0000
- Revision:
- 2:bf3a2b29259a
- Parent:
- 1:d5452e398b76
- Child:
- 4:682d96ff6d79
Update for change to BDM DSO connection (and removed DS) fixed a bug that prevented BDM mode detecting Trionic 7 ECUs
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Just4pLeisure | 1:d5452e398b76 | 1 | /******************************************************************************* |
Just4pLeisure | 1:d5452e398b76 | 2 | |
Just4pLeisure | 1:d5452e398b76 | 3 | bdmcpu32.cpp |
Just4pLeisure | 1:d5452e398b76 | 4 | (c) 2010 by Sophie Dexter |
Just4pLeisure | 1:d5452e398b76 | 5 | |
Just4pLeisure | 1:d5452e398b76 | 6 | Generic BDM functions for Just4Trionic by Just4pLeisure |
Just4pLeisure | 1:d5452e398b76 | 7 | |
Just4pLeisure | 1:d5452e398b76 | 8 | A derivative work based on: |
Just4pLeisure | 1:d5452e398b76 | 9 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 10 | // CAN/BDM adapter firmware |
Just4pLeisure | 1:d5452e398b76 | 11 | // (C) Janis Silins, 2010 |
Just4pLeisure | 1:d5452e398b76 | 12 | // $id$ |
Just4pLeisure | 1:d5452e398b76 | 13 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 14 | |
Just4pLeisure | 1:d5452e398b76 | 15 | ******************************************************************************** |
Just4pLeisure | 1:d5452e398b76 | 16 | |
Just4pLeisure | 1:d5452e398b76 | 17 | WARNING: Use at your own risk, sadly this software comes with no guarantees. |
Just4pLeisure | 1:d5452e398b76 | 18 | This software is provided 'free' and in good faith, but the author does not |
Just4pLeisure | 1:d5452e398b76 | 19 | accept liability for any damage arising from its use. |
Just4pLeisure | 1:d5452e398b76 | 20 | |
Just4pLeisure | 1:d5452e398b76 | 21 | *******************************************************************************/ |
Just4pLeisure | 1:d5452e398b76 | 22 | |
Just4pLeisure | 1:d5452e398b76 | 23 | #include "bdmcpu32.h" |
Just4pLeisure | 1:d5452e398b76 | 24 | |
Just4pLeisure | 1:d5452e398b76 | 25 | // constants |
Just4pLeisure | 1:d5452e398b76 | 26 | #define MCU_SETTLE_TIME 10 ///< delay to let MCU switch modes, ms |
Just4pLeisure | 1:d5452e398b76 | 27 | #define CMD_BIT_COUNT 17 ///< command size, bits |
Just4pLeisure | 1:d5452e398b76 | 28 | |
Just4pLeisure | 1:d5452e398b76 | 29 | // BDM commands |
Just4pLeisure | 1:d5452e398b76 | 30 | #define BDM_NOP 0x0000 ///< no-op |
Just4pLeisure | 1:d5452e398b76 | 31 | #define BDM_GO 0x0c00 ///< resume execution |
Just4pLeisure | 1:d5452e398b76 | 32 | #define BDM_WRITE 0x1800 ///< write memory |
Just4pLeisure | 1:d5452e398b76 | 33 | #define BDM_READ 0x1900 ///< read memory |
Just4pLeisure | 1:d5452e398b76 | 34 | #define BDM_WSREG 0x2480 ///< write system register |
Just4pLeisure | 1:d5452e398b76 | 35 | #define BDM_RSREG 0x2580 ///< read system register |
Just4pLeisure | 1:d5452e398b76 | 36 | #define BDM_RDREG 0x2180 ///< read A/D register |
Just4pLeisure | 1:d5452e398b76 | 37 | #define BDM_WRREG 0x2080 ///< write A/D register |
Just4pLeisure | 1:d5452e398b76 | 38 | #define BDM_DUMP 0x1d00 ///< dump memory |
Just4pLeisure | 1:d5452e398b76 | 39 | #define BDM_FILL 0x1c00 ///< fill memory |
Just4pLeisure | 1:d5452e398b76 | 40 | #define BDM_CALL 0x0800 ///< function call |
Just4pLeisure | 1:d5452e398b76 | 41 | #define BDM_RST 0x0400 ///< reset |
Just4pLeisure | 1:d5452e398b76 | 42 | |
Just4pLeisure | 1:d5452e398b76 | 43 | // system registers |
Just4pLeisure | 1:d5452e398b76 | 44 | #define SREG_RPC 0x0 |
Just4pLeisure | 1:d5452e398b76 | 45 | #define SREG_PCC 0x1 |
Just4pLeisure | 1:d5452e398b76 | 46 | #define SREG_SR 0xb |
Just4pLeisure | 1:d5452e398b76 | 47 | #define SREG_USP 0xc |
Just4pLeisure | 1:d5452e398b76 | 48 | #define SREG_SSP 0xd |
Just4pLeisure | 1:d5452e398b76 | 49 | #define SREG_SFC 0xe |
Just4pLeisure | 1:d5452e398b76 | 50 | #define SREG_DFC 0xf |
Just4pLeisure | 1:d5452e398b76 | 51 | #define SREG_ATEMP 0x8 |
Just4pLeisure | 1:d5452e398b76 | 52 | #define SREG_FAR 0x9 |
Just4pLeisure | 1:d5452e398b76 | 53 | #define SREG_VBR 0xa |
Just4pLeisure | 1:d5452e398b76 | 54 | |
Just4pLeisure | 1:d5452e398b76 | 55 | // BDM responses |
Just4pLeisure | 1:d5452e398b76 | 56 | #define BDM_CMDCMPLTE 0x0000ffff ///< command complete |
Just4pLeisure | 1:d5452e398b76 | 57 | #define BDM_NOTREADY 0x00010000 ///< response not ready |
Just4pLeisure | 1:d5452e398b76 | 58 | #define BDM_BERR 0x00010001 ///< error |
Just4pLeisure | 1:d5452e398b76 | 59 | #define BDM_ILLEGAL 0x0001ffff ///< illegal command |
Just4pLeisure | 1:d5452e398b76 | 60 | |
Just4pLeisure | 1:d5452e398b76 | 61 | // BDM data sizes |
Just4pLeisure | 1:d5452e398b76 | 62 | #define BDM_BYTESIZE 0x00 ///< byte |
Just4pLeisure | 1:d5452e398b76 | 63 | #define BDM_WORDSIZE 0x40 ///< word (2 bytes) |
Just4pLeisure | 1:d5452e398b76 | 64 | #define BDM_LONGSIZE 0x80 ///< long word (4 bytes) |
Just4pLeisure | 1:d5452e398b76 | 65 | |
Just4pLeisure | 1:d5452e398b76 | 66 | // static variables |
Just4pLeisure | 1:d5452e398b76 | 67 | static uint32_t bdm_response; ///< result of BDM read/write operation |
Just4pLeisure | 1:d5452e398b76 | 68 | |
Just4pLeisure | 1:d5452e398b76 | 69 | // private functions |
Just4pLeisure | 1:d5452e398b76 | 70 | bool bdm_read(uint32_t* result, uint16_t cmd, const uint32_t* addr); |
Just4pLeisure | 1:d5452e398b76 | 71 | //bool bdm_read_overlap(uint32_t* result, uint16_t cmd, const uint32_t* addr, uint16_t next_cmd); |
Just4pLeisure | 1:d5452e398b76 | 72 | //bool bdm_read_continue(uint32_t* result, const uint32_t* addr, uint16_t next_cmd); |
Just4pLeisure | 1:d5452e398b76 | 73 | bool bdm_write(const uint32_t* addr, uint16_t cmd, const uint32_t* value); |
Just4pLeisure | 1:d5452e398b76 | 74 | //bool bdm_write_overlap(const uint32_t* addr, uint16_t cmd, const uint32_t* value, uint16_t next_cmd); |
Just4pLeisure | 1:d5452e398b76 | 75 | void bdm_clk(uint16_t value, uint8_t num_bits); |
Just4pLeisure | 2:bf3a2b29259a | 76 | void bdm_clk_fast(uint16_t value, uint8_t num_bits); |
Just4pLeisure | 1:d5452e398b76 | 77 | void bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 78 | |
Just4pLeisure | 1:d5452e398b76 | 79 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 80 | /** |
Just4pLeisure | 1:d5452e398b76 | 81 | Stops target MCU and puts into background debug mode (BDM). |
Just4pLeisure | 1:d5452e398b76 | 82 | |
Just4pLeisure | 1:d5452e398b76 | 83 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 84 | */ |
Just4pLeisure | 1:d5452e398b76 | 85 | uint8_t stop_chip() { |
Just4pLeisure | 1:d5452e398b76 | 86 | // not connected |
Just4pLeisure | 1:d5452e398b76 | 87 | if (!IS_CONNECTED) { |
Just4pLeisure | 1:d5452e398b76 | 88 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 89 | } |
Just4pLeisure | 1:d5452e398b76 | 90 | |
Just4pLeisure | 1:d5452e398b76 | 91 | // pull BKPT low to enter background mode (the pin must remain in output mode, |
Just4pLeisure | 1:d5452e398b76 | 92 | // otherwise the target will pull it high and we'll lose the first DSO bit) |
Just4pLeisure | 1:d5452e398b76 | 93 | PIN_BKPT.write(0); |
Just4pLeisure | 1:d5452e398b76 | 94 | // set BPKT pin as output |
Just4pLeisure | 1:d5452e398b76 | 95 | PIN_BKPT.output(); |
Just4pLeisure | 1:d5452e398b76 | 96 | |
Just4pLeisure | 1:d5452e398b76 | 97 | // wait for target MCU to settle |
Just4pLeisure | 1:d5452e398b76 | 98 | wait_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 99 | |
Just4pLeisure | 1:d5452e398b76 | 100 | // check if succeeded |
Just4pLeisure | 1:d5452e398b76 | 101 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 102 | // set BKPT back as input and fail |
Just4pLeisure | 1:d5452e398b76 | 103 | PIN_BKPT.input(); |
Just4pLeisure | 1:d5452e398b76 | 104 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 105 | } |
Just4pLeisure | 1:d5452e398b76 | 106 | |
Just4pLeisure | 1:d5452e398b76 | 107 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 108 | } |
Just4pLeisure | 1:d5452e398b76 | 109 | |
Just4pLeisure | 1:d5452e398b76 | 110 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 111 | /** |
Just4pLeisure | 1:d5452e398b76 | 112 | Forces hardware reset on target MCU and lets it run. |
Just4pLeisure | 1:d5452e398b76 | 113 | |
Just4pLeisure | 1:d5452e398b76 | 114 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 115 | */ |
Just4pLeisure | 1:d5452e398b76 | 116 | uint8_t reset_chip() { |
Just4pLeisure | 1:d5452e398b76 | 117 | // not connected |
Just4pLeisure | 1:d5452e398b76 | 118 | if (!IS_CONNECTED) { |
Just4pLeisure | 1:d5452e398b76 | 119 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 120 | } |
Just4pLeisure | 1:d5452e398b76 | 121 | |
Just4pLeisure | 1:d5452e398b76 | 122 | // BKPT pin as input |
Just4pLeisure | 1:d5452e398b76 | 123 | PIN_BKPT.input(); |
Just4pLeisure | 1:d5452e398b76 | 124 | // push RESET low |
Just4pLeisure | 1:d5452e398b76 | 125 | PIN_RESET.write(0); |
Just4pLeisure | 1:d5452e398b76 | 126 | // RESET pins as output |
Just4pLeisure | 1:d5452e398b76 | 127 | PIN_RESET.output(); |
Just4pLeisure | 1:d5452e398b76 | 128 | // wait for MCU to settle |
Just4pLeisure | 1:d5452e398b76 | 129 | wait_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 130 | // rising edge on RESET line |
Just4pLeisure | 1:d5452e398b76 | 131 | PIN_RESET.write(1); |
Just4pLeisure | 1:d5452e398b76 | 132 | // wait for MCU to settle |
Just4pLeisure | 1:d5452e398b76 | 133 | wait_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 134 | |
Just4pLeisure | 1:d5452e398b76 | 135 | // set RESET as an input again |
Just4pLeisure | 1:d5452e398b76 | 136 | PIN_RESET.input(); |
Just4pLeisure | 1:d5452e398b76 | 137 | |
Just4pLeisure | 1:d5452e398b76 | 138 | // check if succeeded |
Just4pLeisure | 1:d5452e398b76 | 139 | return IS_RUNNING ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 140 | } |
Just4pLeisure | 1:d5452e398b76 | 141 | |
Just4pLeisure | 1:d5452e398b76 | 142 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 143 | /** |
Just4pLeisure | 1:d5452e398b76 | 144 | Starts target MCU from the specified address. If address is 0, execution |
Just4pLeisure | 1:d5452e398b76 | 145 | begins at the current address in program counter. |
Just4pLeisure | 1:d5452e398b76 | 146 | |
Just4pLeisure | 1:d5452e398b76 | 147 | @param addr start address |
Just4pLeisure | 1:d5452e398b76 | 148 | |
Just4pLeisure | 1:d5452e398b76 | 149 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 150 | */ |
Just4pLeisure | 1:d5452e398b76 | 151 | uint8_t run_chip(const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 152 | // check state |
Just4pLeisure | 1:d5452e398b76 | 153 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 154 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 155 | } |
Just4pLeisure | 1:d5452e398b76 | 156 | |
Just4pLeisure | 1:d5452e398b76 | 157 | // set program counter |
Just4pLeisure | 1:d5452e398b76 | 158 | if ((*addr > 0) && sysreg_write(SREG_RPC, addr) != TERM_OK) { |
Just4pLeisure | 1:d5452e398b76 | 159 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 160 | } |
Just4pLeisure | 1:d5452e398b76 | 161 | // resume MCU |
Just4pLeisure | 1:d5452e398b76 | 162 | bdm_clk(BDM_GO, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 163 | |
Just4pLeisure | 1:d5452e398b76 | 164 | // set BKPT back as input |
Just4pLeisure | 1:d5452e398b76 | 165 | PIN_BKPT.input(); |
Just4pLeisure | 1:d5452e398b76 | 166 | |
Just4pLeisure | 1:d5452e398b76 | 167 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 168 | } |
Just4pLeisure | 1:d5452e398b76 | 169 | |
Just4pLeisure | 1:d5452e398b76 | 170 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 171 | /** |
Just4pLeisure | 1:d5452e398b76 | 172 | Resets target MCU and stops execution on first instruction fetch. |
Just4pLeisure | 1:d5452e398b76 | 173 | |
Just4pLeisure | 1:d5452e398b76 | 174 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 175 | */ |
Just4pLeisure | 1:d5452e398b76 | 176 | uint8_t restart_chip() { |
Just4pLeisure | 1:d5452e398b76 | 177 | // not connected |
Just4pLeisure | 1:d5452e398b76 | 178 | if (!IS_CONNECTED) { |
Just4pLeisure | 1:d5452e398b76 | 179 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 180 | } |
Just4pLeisure | 1:d5452e398b76 | 181 | |
Just4pLeisure | 1:d5452e398b76 | 182 | // pull BKPT low to enter background mode (the pin must remain an output, |
Just4pLeisure | 1:d5452e398b76 | 183 | // otherwise the target will pull it high and we'll lose the first DSO bit) |
Just4pLeisure | 1:d5452e398b76 | 184 | PIN_BKPT.write(0); |
Just4pLeisure | 1:d5452e398b76 | 185 | // push RESET low |
Just4pLeisure | 1:d5452e398b76 | 186 | PIN_RESET.write(0); |
Just4pLeisure | 1:d5452e398b76 | 187 | // RESET, BKPT pins as outputs |
Just4pLeisure | 1:d5452e398b76 | 188 | PIN_BKPT.output(); |
Just4pLeisure | 1:d5452e398b76 | 189 | PIN_RESET.output(); |
Just4pLeisure | 1:d5452e398b76 | 190 | // wait for target MCU to settle |
Just4pLeisure | 1:d5452e398b76 | 191 | wait_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 192 | // rising edge on RESET line |
Just4pLeisure | 1:d5452e398b76 | 193 | PIN_RESET.write(1); |
Just4pLeisure | 1:d5452e398b76 | 194 | // wait for target MCU to settle |
Just4pLeisure | 1:d5452e398b76 | 195 | wait_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 196 | // set RESET back as an input |
Just4pLeisure | 1:d5452e398b76 | 197 | PIN_RESET.input(); |
Just4pLeisure | 1:d5452e398b76 | 198 | |
Just4pLeisure | 1:d5452e398b76 | 199 | // check if succeeded |
Just4pLeisure | 1:d5452e398b76 | 200 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 201 | // set BKPT back as input and fail |
Just4pLeisure | 1:d5452e398b76 | 202 | PIN_BKPT.input(); |
Just4pLeisure | 1:d5452e398b76 | 203 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 204 | } |
Just4pLeisure | 1:d5452e398b76 | 205 | |
Just4pLeisure | 1:d5452e398b76 | 206 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 207 | } |
Just4pLeisure | 1:d5452e398b76 | 208 | |
Just4pLeisure | 1:d5452e398b76 | 209 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 210 | /** |
Just4pLeisure | 1:d5452e398b76 | 211 | Sends GO command word to target MCU, then triggers breakpoint on first |
Just4pLeisure | 1:d5452e398b76 | 212 | instruction fetch. |
Just4pLeisure | 1:d5452e398b76 | 213 | |
Just4pLeisure | 1:d5452e398b76 | 214 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 215 | */ |
Just4pLeisure | 1:d5452e398b76 | 216 | uint8_t step_chip() { |
Just4pLeisure | 1:d5452e398b76 | 217 | // not connected |
Just4pLeisure | 1:d5452e398b76 | 218 | if (!IS_CONNECTED) { |
Just4pLeisure | 1:d5452e398b76 | 219 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 220 | } |
Just4pLeisure | 1:d5452e398b76 | 221 | |
Just4pLeisure | 1:d5452e398b76 | 222 | // resume MCU |
Just4pLeisure | 1:d5452e398b76 | 223 | bdm_clk(BDM_GO, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 224 | |
Just4pLeisure | 1:d5452e398b76 | 225 | // pull BKPT low to enter background mode (the pin must remain an output, |
Just4pLeisure | 1:d5452e398b76 | 226 | // otherwise the target pulls it high and we lose the first DSO bit) |
Just4pLeisure | 1:d5452e398b76 | 227 | PIN_BKPT.write(0); |
Just4pLeisure | 1:d5452e398b76 | 228 | // set BPKT pin as output |
Just4pLeisure | 1:d5452e398b76 | 229 | PIN_BKPT.output(); |
Just4pLeisure | 1:d5452e398b76 | 230 | |
Just4pLeisure | 1:d5452e398b76 | 231 | // wait for target MCU to settle |
Just4pLeisure | 1:d5452e398b76 | 232 | // delay_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 233 | wait_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 234 | |
Just4pLeisure | 1:d5452e398b76 | 235 | // check if succeeded |
Just4pLeisure | 1:d5452e398b76 | 236 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 237 | // set BKPT back as input and fail |
Just4pLeisure | 1:d5452e398b76 | 238 | PIN_BKPT.input(); |
Just4pLeisure | 1:d5452e398b76 | 239 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 240 | } |
Just4pLeisure | 1:d5452e398b76 | 241 | |
Just4pLeisure | 1:d5452e398b76 | 242 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 243 | } |
Just4pLeisure | 1:d5452e398b76 | 244 | |
Just4pLeisure | 1:d5452e398b76 | 245 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 246 | /** |
Just4pLeisure | 1:d5452e398b76 | 247 | Pulls BKPT pin low. |
Just4pLeisure | 1:d5452e398b76 | 248 | */ |
Just4pLeisure | 1:d5452e398b76 | 249 | uint8_t bkpt_low() { |
Just4pLeisure | 1:d5452e398b76 | 250 | PIN_BKPT.write(0); |
Just4pLeisure | 1:d5452e398b76 | 251 | PIN_BKPT.output(); |
Just4pLeisure | 1:d5452e398b76 | 252 | |
Just4pLeisure | 1:d5452e398b76 | 253 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 254 | } |
Just4pLeisure | 1:d5452e398b76 | 255 | |
Just4pLeisure | 1:d5452e398b76 | 256 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 257 | /** |
Just4pLeisure | 1:d5452e398b76 | 258 | Pulls BKPT pin high. |
Just4pLeisure | 1:d5452e398b76 | 259 | */ |
Just4pLeisure | 1:d5452e398b76 | 260 | uint8_t bkpt_high() { |
Just4pLeisure | 1:d5452e398b76 | 261 | PIN_BKPT.write(1); |
Just4pLeisure | 1:d5452e398b76 | 262 | PIN_BKPT.output(); |
Just4pLeisure | 1:d5452e398b76 | 263 | |
Just4pLeisure | 1:d5452e398b76 | 264 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 265 | } |
Just4pLeisure | 1:d5452e398b76 | 266 | |
Just4pLeisure | 1:d5452e398b76 | 267 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 268 | /** |
Just4pLeisure | 1:d5452e398b76 | 269 | Pulls RESET pin low. |
Just4pLeisure | 1:d5452e398b76 | 270 | */ |
Just4pLeisure | 1:d5452e398b76 | 271 | uint8_t reset_low() { |
Just4pLeisure | 1:d5452e398b76 | 272 | PIN_RESET.write(0); |
Just4pLeisure | 1:d5452e398b76 | 273 | PIN_RESET.output(); |
Just4pLeisure | 1:d5452e398b76 | 274 | |
Just4pLeisure | 1:d5452e398b76 | 275 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 276 | } |
Just4pLeisure | 1:d5452e398b76 | 277 | |
Just4pLeisure | 1:d5452e398b76 | 278 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 279 | /** |
Just4pLeisure | 1:d5452e398b76 | 280 | Pulls RESET pin high. |
Just4pLeisure | 1:d5452e398b76 | 281 | */ |
Just4pLeisure | 1:d5452e398b76 | 282 | uint8_t reset_high() { |
Just4pLeisure | 1:d5452e398b76 | 283 | PIN_RESET.write(1); |
Just4pLeisure | 1:d5452e398b76 | 284 | PIN_RESET.output(); |
Just4pLeisure | 1:d5452e398b76 | 285 | |
Just4pLeisure | 1:d5452e398b76 | 286 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 287 | } |
Just4pLeisure | 1:d5452e398b76 | 288 | |
Just4pLeisure | 1:d5452e398b76 | 289 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 290 | /** |
Just4pLeisure | 1:d5452e398b76 | 291 | Returns byte from the specified memory location; MCU must be in |
Just4pLeisure | 1:d5452e398b76 | 292 | background mode. |
Just4pLeisure | 1:d5452e398b76 | 293 | |
Just4pLeisure | 1:d5452e398b76 | 294 | @param result value (out) |
Just4pLeisure | 1:d5452e398b76 | 295 | @param addr source address |
Just4pLeisure | 1:d5452e398b76 | 296 | |
Just4pLeisure | 1:d5452e398b76 | 297 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 298 | */ |
Just4pLeisure | 1:d5452e398b76 | 299 | uint8_t memread_byte(uint8_t* result, const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 300 | // check state |
Just4pLeisure | 1:d5452e398b76 | 301 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 302 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 303 | } |
Just4pLeisure | 1:d5452e398b76 | 304 | |
Just4pLeisure | 1:d5452e398b76 | 305 | // read byte |
Just4pLeisure | 1:d5452e398b76 | 306 | if (!bdm_read((uint32_t*)result, BDM_READ, addr)) { |
Just4pLeisure | 1:d5452e398b76 | 307 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 308 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 309 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 310 | } |
Just4pLeisure | 1:d5452e398b76 | 311 | |
Just4pLeisure | 1:d5452e398b76 | 312 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 313 | } |
Just4pLeisure | 1:d5452e398b76 | 314 | |
Just4pLeisure | 1:d5452e398b76 | 315 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 316 | /** |
Just4pLeisure | 1:d5452e398b76 | 317 | Returns word (2 bytes) from the specified memory location. Address must be |
Just4pLeisure | 1:d5452e398b76 | 318 | word-aligned and MCU must be in background mode. |
Just4pLeisure | 1:d5452e398b76 | 319 | |
Just4pLeisure | 1:d5452e398b76 | 320 | @param result value (out) |
Just4pLeisure | 1:d5452e398b76 | 321 | @param addr source address |
Just4pLeisure | 1:d5452e398b76 | 322 | |
Just4pLeisure | 1:d5452e398b76 | 323 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 324 | */ |
Just4pLeisure | 1:d5452e398b76 | 325 | uint8_t memread_word(uint16_t* result, const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 326 | // check state |
Just4pLeisure | 1:d5452e398b76 | 327 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 328 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 329 | } |
Just4pLeisure | 1:d5452e398b76 | 330 | |
Just4pLeisure | 1:d5452e398b76 | 331 | // read word |
Just4pLeisure | 1:d5452e398b76 | 332 | if (!bdm_read((uint32_t*)result, BDM_READ + BDM_WORDSIZE, addr)) { |
Just4pLeisure | 1:d5452e398b76 | 333 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 334 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 335 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 336 | } |
Just4pLeisure | 1:d5452e398b76 | 337 | |
Just4pLeisure | 1:d5452e398b76 | 338 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 339 | } |
Just4pLeisure | 1:d5452e398b76 | 340 | |
Just4pLeisure | 1:d5452e398b76 | 341 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 342 | /** |
Just4pLeisure | 1:d5452e398b76 | 343 | Returns long word (4 bytes) from the specified memory location. Address |
Just4pLeisure | 1:d5452e398b76 | 344 | must be word-aligned and target MCU must be in background mode. |
Just4pLeisure | 1:d5452e398b76 | 345 | |
Just4pLeisure | 1:d5452e398b76 | 346 | @param result value |
Just4pLeisure | 1:d5452e398b76 | 347 | @param addr source address |
Just4pLeisure | 1:d5452e398b76 | 348 | |
Just4pLeisure | 1:d5452e398b76 | 349 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 350 | */ |
Just4pLeisure | 1:d5452e398b76 | 351 | uint8_t memread_long(uint32_t* result, const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 352 | // check state |
Just4pLeisure | 1:d5452e398b76 | 353 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 354 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 355 | } |
Just4pLeisure | 1:d5452e398b76 | 356 | |
Just4pLeisure | 1:d5452e398b76 | 357 | // read long word |
Just4pLeisure | 1:d5452e398b76 | 358 | if (!bdm_read(result, BDM_READ + BDM_LONGSIZE, addr)) { |
Just4pLeisure | 1:d5452e398b76 | 359 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 360 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 361 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 362 | } |
Just4pLeisure | 1:d5452e398b76 | 363 | |
Just4pLeisure | 1:d5452e398b76 | 364 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 365 | } |
Just4pLeisure | 1:d5452e398b76 | 366 | |
Just4pLeisure | 1:d5452e398b76 | 367 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 368 | /** |
Just4pLeisure | 1:d5452e398b76 | 369 | Dumps byte from the specified memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 370 | mode. Any memread_*() function must be called beforehand to set the |
Just4pLeisure | 1:d5452e398b76 | 371 | initial address. |
Just4pLeisure | 1:d5452e398b76 | 372 | |
Just4pLeisure | 1:d5452e398b76 | 373 | @param value result (out) |
Just4pLeisure | 1:d5452e398b76 | 374 | |
Just4pLeisure | 1:d5452e398b76 | 375 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 376 | */ |
Just4pLeisure | 1:d5452e398b76 | 377 | uint8_t memdump_byte(uint8_t* result) { |
Just4pLeisure | 1:d5452e398b76 | 378 | // check state |
Just4pLeisure | 1:d5452e398b76 | 379 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 380 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 381 | } |
Just4pLeisure | 1:d5452e398b76 | 382 | |
Just4pLeisure | 1:d5452e398b76 | 383 | // dump byte |
Just4pLeisure | 1:d5452e398b76 | 384 | if (!bdm_read((uint32_t*)result, BDM_DUMP, NULL)) { |
Just4pLeisure | 1:d5452e398b76 | 385 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 386 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 387 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 388 | } |
Just4pLeisure | 1:d5452e398b76 | 389 | |
Just4pLeisure | 1:d5452e398b76 | 390 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 391 | } |
Just4pLeisure | 1:d5452e398b76 | 392 | |
Just4pLeisure | 1:d5452e398b76 | 393 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 394 | /** |
Just4pLeisure | 1:d5452e398b76 | 395 | dumps word from the specified memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 396 | mode. Any memread_*() function must be called beforehand to set the |
Just4pLeisure | 1:d5452e398b76 | 397 | initial address. |
Just4pLeisure | 1:d5452e398b76 | 398 | |
Just4pLeisure | 1:d5452e398b76 | 399 | @param value result (out) |
Just4pLeisure | 1:d5452e398b76 | 400 | |
Just4pLeisure | 1:d5452e398b76 | 401 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 402 | */ |
Just4pLeisure | 1:d5452e398b76 | 403 | uint8_t memdump_word(uint16_t* result) { |
Just4pLeisure | 1:d5452e398b76 | 404 | // check state |
Just4pLeisure | 1:d5452e398b76 | 405 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 406 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 407 | } |
Just4pLeisure | 1:d5452e398b76 | 408 | |
Just4pLeisure | 1:d5452e398b76 | 409 | // dump word |
Just4pLeisure | 1:d5452e398b76 | 410 | if (!bdm_read((uint32_t*)result, BDM_DUMP + BDM_WORDSIZE, NULL)) { |
Just4pLeisure | 1:d5452e398b76 | 411 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 412 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 413 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 414 | } |
Just4pLeisure | 1:d5452e398b76 | 415 | |
Just4pLeisure | 1:d5452e398b76 | 416 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 417 | } |
Just4pLeisure | 1:d5452e398b76 | 418 | |
Just4pLeisure | 1:d5452e398b76 | 419 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 420 | /** |
Just4pLeisure | 1:d5452e398b76 | 421 | Dumps long word from the specified memory location; MCU must be in |
Just4pLeisure | 1:d5452e398b76 | 422 | background mode. Any memread_*() function must be called beforehand to set |
Just4pLeisure | 1:d5452e398b76 | 423 | the initial address. |
Just4pLeisure | 1:d5452e398b76 | 424 | |
Just4pLeisure | 1:d5452e398b76 | 425 | @param value result (out) |
Just4pLeisure | 1:d5452e398b76 | 426 | |
Just4pLeisure | 1:d5452e398b76 | 427 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 428 | */ |
Just4pLeisure | 1:d5452e398b76 | 429 | uint8_t memdump_long(uint32_t* result) { |
Just4pLeisure | 1:d5452e398b76 | 430 | // check state |
Just4pLeisure | 1:d5452e398b76 | 431 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 432 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 433 | } |
Just4pLeisure | 1:d5452e398b76 | 434 | |
Just4pLeisure | 1:d5452e398b76 | 435 | // dump long word |
Just4pLeisure | 1:d5452e398b76 | 436 | if (!bdm_read(result, BDM_DUMP + BDM_LONGSIZE, NULL)) { |
Just4pLeisure | 1:d5452e398b76 | 437 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 438 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 439 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 440 | } |
Just4pLeisure | 1:d5452e398b76 | 441 | |
Just4pLeisure | 1:d5452e398b76 | 442 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 443 | } |
Just4pLeisure | 1:d5452e398b76 | 444 | |
Just4pLeisure | 1:d5452e398b76 | 445 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 446 | /** |
Just4pLeisure | 1:d5452e398b76 | 447 | Writes byte to the specified memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 448 | mode. |
Just4pLeisure | 1:d5452e398b76 | 449 | |
Just4pLeisure | 1:d5452e398b76 | 450 | @param addr destination address |
Just4pLeisure | 1:d5452e398b76 | 451 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 452 | |
Just4pLeisure | 1:d5452e398b76 | 453 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 454 | */ |
Just4pLeisure | 1:d5452e398b76 | 455 | uint8_t memwrite_byte(const uint32_t* addr, uint8_t value) { |
Just4pLeisure | 1:d5452e398b76 | 456 | // check state |
Just4pLeisure | 1:d5452e398b76 | 457 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 458 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 459 | } |
Just4pLeisure | 1:d5452e398b76 | 460 | |
Just4pLeisure | 1:d5452e398b76 | 461 | // write byte |
Just4pLeisure | 1:d5452e398b76 | 462 | if (!bdm_write(addr, BDM_WRITE, (uint32_t*)&value)) { |
Just4pLeisure | 1:d5452e398b76 | 463 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 464 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 465 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 466 | } |
Just4pLeisure | 1:d5452e398b76 | 467 | |
Just4pLeisure | 1:d5452e398b76 | 468 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 469 | } |
Just4pLeisure | 1:d5452e398b76 | 470 | |
Just4pLeisure | 1:d5452e398b76 | 471 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 472 | /** |
Just4pLeisure | 1:d5452e398b76 | 473 | Writes word to the specified memory location. Address must be word-aligned |
Just4pLeisure | 1:d5452e398b76 | 474 | and MCU must be in background mode. |
Just4pLeisure | 1:d5452e398b76 | 475 | |
Just4pLeisure | 1:d5452e398b76 | 476 | @param addr memory address |
Just4pLeisure | 1:d5452e398b76 | 477 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 478 | |
Just4pLeisure | 1:d5452e398b76 | 479 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 480 | */ |
Just4pLeisure | 1:d5452e398b76 | 481 | uint8_t memwrite_word(const uint32_t* addr, uint16_t value) { |
Just4pLeisure | 1:d5452e398b76 | 482 | // check state |
Just4pLeisure | 1:d5452e398b76 | 483 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 484 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 485 | } |
Just4pLeisure | 1:d5452e398b76 | 486 | |
Just4pLeisure | 1:d5452e398b76 | 487 | // write word |
Just4pLeisure | 1:d5452e398b76 | 488 | if (!bdm_write(addr, BDM_WRITE + BDM_WORDSIZE, (uint32_t*)&value)) { |
Just4pLeisure | 1:d5452e398b76 | 489 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 490 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 491 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 492 | } |
Just4pLeisure | 1:d5452e398b76 | 493 | |
Just4pLeisure | 1:d5452e398b76 | 494 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 495 | } |
Just4pLeisure | 1:d5452e398b76 | 496 | |
Just4pLeisure | 1:d5452e398b76 | 497 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 498 | /** |
Just4pLeisure | 1:d5452e398b76 | 499 | Writes long word to the specified memory location. Address must be |
Just4pLeisure | 1:d5452e398b76 | 500 | word-aligned and target MCU must be in background mode. |
Just4pLeisure | 1:d5452e398b76 | 501 | |
Just4pLeisure | 1:d5452e398b76 | 502 | @param addr memory address |
Just4pLeisure | 1:d5452e398b76 | 503 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 504 | |
Just4pLeisure | 1:d5452e398b76 | 505 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 506 | */ |
Just4pLeisure | 1:d5452e398b76 | 507 | uint8_t memwrite_long(const uint32_t* addr, const uint32_t* value) { |
Just4pLeisure | 1:d5452e398b76 | 508 | // check state |
Just4pLeisure | 1:d5452e398b76 | 509 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 510 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 511 | } |
Just4pLeisure | 1:d5452e398b76 | 512 | |
Just4pLeisure | 1:d5452e398b76 | 513 | // write long word |
Just4pLeisure | 1:d5452e398b76 | 514 | if (!bdm_write(addr, BDM_WRITE + BDM_LONGSIZE, value)) { |
Just4pLeisure | 1:d5452e398b76 | 515 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 516 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 517 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 518 | } |
Just4pLeisure | 1:d5452e398b76 | 519 | |
Just4pLeisure | 1:d5452e398b76 | 520 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 521 | } |
Just4pLeisure | 1:d5452e398b76 | 522 | |
Just4pLeisure | 1:d5452e398b76 | 523 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 524 | /** |
Just4pLeisure | 1:d5452e398b76 | 525 | Writes byte to the current memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 526 | mode. Any memwrite_*() function must be called beforehand to set the |
Just4pLeisure | 1:d5452e398b76 | 527 | current address. |
Just4pLeisure | 1:d5452e398b76 | 528 | |
Just4pLeisure | 1:d5452e398b76 | 529 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 530 | |
Just4pLeisure | 1:d5452e398b76 | 531 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 532 | */ |
Just4pLeisure | 1:d5452e398b76 | 533 | uint8_t memfill_byte(uint8_t value) { |
Just4pLeisure | 1:d5452e398b76 | 534 | // check state |
Just4pLeisure | 1:d5452e398b76 | 535 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 536 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 537 | } |
Just4pLeisure | 1:d5452e398b76 | 538 | |
Just4pLeisure | 1:d5452e398b76 | 539 | // fill byte |
Just4pLeisure | 1:d5452e398b76 | 540 | if (!bdm_write(NULL, BDM_FILL, (uint32_t*)&value)) { |
Just4pLeisure | 1:d5452e398b76 | 541 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 542 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 543 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 544 | } |
Just4pLeisure | 1:d5452e398b76 | 545 | |
Just4pLeisure | 1:d5452e398b76 | 546 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 547 | } |
Just4pLeisure | 1:d5452e398b76 | 548 | |
Just4pLeisure | 1:d5452e398b76 | 549 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 550 | /** |
Just4pLeisure | 1:d5452e398b76 | 551 | Writes word to the specified memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 552 | mode. Any memwrite_*() function must be called beforehand to set the |
Just4pLeisure | 1:d5452e398b76 | 553 | initial address. |
Just4pLeisure | 1:d5452e398b76 | 554 | |
Just4pLeisure | 1:d5452e398b76 | 555 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 556 | |
Just4pLeisure | 1:d5452e398b76 | 557 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 558 | */ |
Just4pLeisure | 1:d5452e398b76 | 559 | uint8_t memfill_word(uint16_t value) { |
Just4pLeisure | 1:d5452e398b76 | 560 | // check state |
Just4pLeisure | 1:d5452e398b76 | 561 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 562 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 563 | } |
Just4pLeisure | 1:d5452e398b76 | 564 | |
Just4pLeisure | 1:d5452e398b76 | 565 | // fill word |
Just4pLeisure | 1:d5452e398b76 | 566 | if (!IN_BDM || !bdm_write(NULL, BDM_FILL + BDM_WORDSIZE, (uint32_t*)&value)) { |
Just4pLeisure | 1:d5452e398b76 | 567 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 568 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 569 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 570 | } |
Just4pLeisure | 1:d5452e398b76 | 571 | |
Just4pLeisure | 1:d5452e398b76 | 572 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 573 | } |
Just4pLeisure | 1:d5452e398b76 | 574 | |
Just4pLeisure | 1:d5452e398b76 | 575 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 576 | /** |
Just4pLeisure | 1:d5452e398b76 | 577 | Writes long word to the specified memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 578 | mode. Any memwrite_*() function must be called beforehand to set the |
Just4pLeisure | 1:d5452e398b76 | 579 | initial address. |
Just4pLeisure | 1:d5452e398b76 | 580 | |
Just4pLeisure | 1:d5452e398b76 | 581 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 582 | |
Just4pLeisure | 1:d5452e398b76 | 583 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 584 | */ |
Just4pLeisure | 1:d5452e398b76 | 585 | uint8_t memfill_long(const uint32_t* value) { |
Just4pLeisure | 1:d5452e398b76 | 586 | // check state |
Just4pLeisure | 1:d5452e398b76 | 587 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 588 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 589 | } |
Just4pLeisure | 1:d5452e398b76 | 590 | |
Just4pLeisure | 1:d5452e398b76 | 591 | // fill long word |
Just4pLeisure | 1:d5452e398b76 | 592 | if (!bdm_write(NULL, BDM_FILL + BDM_LONGSIZE, value)) { |
Just4pLeisure | 1:d5452e398b76 | 593 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 594 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 595 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 596 | } |
Just4pLeisure | 1:d5452e398b76 | 597 | |
Just4pLeisure | 1:d5452e398b76 | 598 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 599 | } |
Just4pLeisure | 1:d5452e398b76 | 600 | |
Just4pLeisure | 1:d5452e398b76 | 601 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 602 | /** |
Just4pLeisure | 1:d5452e398b76 | 603 | Issues a read byte command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 604 | |
Just4pLeisure | 1:d5452e398b76 | 605 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 606 | |
Just4pLeisure | 1:d5452e398b76 | 607 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 608 | */ |
Just4pLeisure | 1:d5452e398b76 | 609 | uint8_t memread_byte_cmd(const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 610 | |
Just4pLeisure | 1:d5452e398b76 | 611 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 612 | |
Just4pLeisure | 1:d5452e398b76 | 613 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 614 | if (!bdm_command(BDM_READ + BDM_BYTESIZE)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 615 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 616 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 617 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 618 | } |
Just4pLeisure | 1:d5452e398b76 | 619 | |
Just4pLeisure | 1:d5452e398b76 | 620 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 621 | } |
Just4pLeisure | 1:d5452e398b76 | 622 | |
Just4pLeisure | 1:d5452e398b76 | 623 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 624 | /** |
Just4pLeisure | 1:d5452e398b76 | 625 | Issues a read word command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 626 | |
Just4pLeisure | 1:d5452e398b76 | 627 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 628 | |
Just4pLeisure | 1:d5452e398b76 | 629 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 630 | */ |
Just4pLeisure | 1:d5452e398b76 | 631 | uint8_t memread_word_cmd(const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 632 | |
Just4pLeisure | 1:d5452e398b76 | 633 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 634 | |
Just4pLeisure | 1:d5452e398b76 | 635 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 636 | bdm_clk(BDM_READ + BDM_WORDSIZE, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 637 | if (bdm_response > BDM_CMDCMPLTE) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 638 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 639 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 640 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 641 | } |
Just4pLeisure | 1:d5452e398b76 | 642 | |
Just4pLeisure | 1:d5452e398b76 | 643 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 644 | } |
Just4pLeisure | 1:d5452e398b76 | 645 | |
Just4pLeisure | 1:d5452e398b76 | 646 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 647 | /** |
Just4pLeisure | 1:d5452e398b76 | 648 | Issues a read long command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 649 | |
Just4pLeisure | 1:d5452e398b76 | 650 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 651 | |
Just4pLeisure | 1:d5452e398b76 | 652 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 653 | */ |
Just4pLeisure | 1:d5452e398b76 | 654 | uint8_t memread_long_cmd(const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 655 | |
Just4pLeisure | 1:d5452e398b76 | 656 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 657 | |
Just4pLeisure | 1:d5452e398b76 | 658 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 659 | bdm_clk(BDM_READ + BDM_LONGSIZE, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 660 | if (bdm_response > BDM_CMDCMPLTE) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 661 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 662 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 663 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 664 | } |
Just4pLeisure | 1:d5452e398b76 | 665 | |
Just4pLeisure | 1:d5452e398b76 | 666 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 667 | } |
Just4pLeisure | 1:d5452e398b76 | 668 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 669 | /** |
Just4pLeisure | 1:d5452e398b76 | 670 | Issues a write byte command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 671 | |
Just4pLeisure | 1:d5452e398b76 | 672 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 673 | |
Just4pLeisure | 1:d5452e398b76 | 674 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 675 | */ |
Just4pLeisure | 1:d5452e398b76 | 676 | uint8_t memwrite_byte_cmd(const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 677 | |
Just4pLeisure | 1:d5452e398b76 | 678 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 2:bf3a2b29259a | 679 | |
Just4pLeisure | 1:d5452e398b76 | 680 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 681 | if (!bdm_command(BDM_WRITE + BDM_BYTESIZE)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 682 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 683 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 684 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 685 | } |
Just4pLeisure | 1:d5452e398b76 | 686 | |
Just4pLeisure | 1:d5452e398b76 | 687 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 688 | } |
Just4pLeisure | 1:d5452e398b76 | 689 | |
Just4pLeisure | 1:d5452e398b76 | 690 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 691 | /** |
Just4pLeisure | 1:d5452e398b76 | 692 | Issues a write word command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 693 | |
Just4pLeisure | 1:d5452e398b76 | 694 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 695 | |
Just4pLeisure | 1:d5452e398b76 | 696 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 697 | */ |
Just4pLeisure | 1:d5452e398b76 | 698 | uint8_t memwrite_word_cmd(const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 699 | |
Just4pLeisure | 1:d5452e398b76 | 700 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 701 | |
Just4pLeisure | 1:d5452e398b76 | 702 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 703 | bdm_clk(BDM_WRITE + BDM_WORDSIZE, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 704 | if (bdm_response > BDM_CMDCMPLTE) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 705 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 706 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 707 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 708 | } |
Just4pLeisure | 1:d5452e398b76 | 709 | |
Just4pLeisure | 1:d5452e398b76 | 710 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 711 | } |
Just4pLeisure | 1:d5452e398b76 | 712 | |
Just4pLeisure | 1:d5452e398b76 | 713 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 714 | /** |
Just4pLeisure | 1:d5452e398b76 | 715 | Issues a write long command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 716 | |
Just4pLeisure | 1:d5452e398b76 | 717 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 718 | |
Just4pLeisure | 1:d5452e398b76 | 719 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 720 | */ |
Just4pLeisure | 1:d5452e398b76 | 721 | uint8_t memwrite_long_cmd(const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 722 | |
Just4pLeisure | 1:d5452e398b76 | 723 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 724 | |
Just4pLeisure | 1:d5452e398b76 | 725 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 726 | bdm_clk(BDM_WRITE + BDM_LONGSIZE, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 727 | if (bdm_response > BDM_CMDCMPLTE) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 728 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 729 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 730 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 731 | } |
Just4pLeisure | 1:d5452e398b76 | 732 | |
Just4pLeisure | 1:d5452e398b76 | 733 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 734 | } |
Just4pLeisure | 1:d5452e398b76 | 735 | |
Just4pLeisure | 1:d5452e398b76 | 736 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 737 | /** |
Just4pLeisure | 1:d5452e398b76 | 738 | Gets a byte from the MCU (follows a previously sent read or dump word cmd) |
Just4pLeisure | 1:d5452e398b76 | 739 | Sends a READ_BYTE command so that commands overlap |
Just4pLeisure | 1:d5452e398b76 | 740 | |
Just4pLeisure | 1:d5452e398b76 | 741 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 742 | addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 743 | |
Just4pLeisure | 1:d5452e398b76 | 744 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 745 | */ |
Just4pLeisure | 1:d5452e398b76 | 746 | uint8_t memread_read_byte(uint8_t* result, const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 747 | |
Just4pLeisure | 1:d5452e398b76 | 748 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 749 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 750 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 751 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 752 | } |
Just4pLeisure | 1:d5452e398b76 | 753 | // receive the response byte |
Just4pLeisure | 1:d5452e398b76 | 754 | return (bdm_get ((uint32_t*)result, BDM_BYTESIZE, BDM_READ + BDM_BYTESIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 755 | } |
Just4pLeisure | 1:d5452e398b76 | 756 | |
Just4pLeisure | 1:d5452e398b76 | 757 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 758 | /** |
Just4pLeisure | 1:d5452e398b76 | 759 | Gets a byte from the MCU (follows a previously sent read or dump word cmd) |
Just4pLeisure | 1:d5452e398b76 | 760 | Sends a WRITE_BYTE command so that commands overlap |
Just4pLeisure | 1:d5452e398b76 | 761 | |
Just4pLeisure | 1:d5452e398b76 | 762 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 763 | addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 764 | |
Just4pLeisure | 1:d5452e398b76 | 765 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 766 | */ |
Just4pLeisure | 1:d5452e398b76 | 767 | uint8_t memread_write_byte(uint8_t* result, const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 768 | |
Just4pLeisure | 1:d5452e398b76 | 769 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 770 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 771 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 772 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 773 | } |
Just4pLeisure | 1:d5452e398b76 | 774 | // receive the response byte |
Just4pLeisure | 1:d5452e398b76 | 775 | return (bdm_get((uint32_t*)result, BDM_BYTESIZE, BDM_WRITE + BDM_BYTESIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 776 | } |
Just4pLeisure | 1:d5452e398b76 | 777 | |
Just4pLeisure | 1:d5452e398b76 | 778 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 779 | /** |
Just4pLeisure | 1:d5452e398b76 | 780 | Gets a byte from the MCU (follows a previously sent read or dump word cmd) |
Just4pLeisure | 1:d5452e398b76 | 781 | Sends a BDM_NOP command to end a sequence of overlapping commands |
Just4pLeisure | 1:d5452e398b76 | 782 | |
Just4pLeisure | 1:d5452e398b76 | 783 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 784 | addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 785 | |
Just4pLeisure | 1:d5452e398b76 | 786 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 787 | */ |
Just4pLeisure | 1:d5452e398b76 | 788 | uint8_t memread_nop_byte(uint8_t* result, const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 789 | |
Just4pLeisure | 1:d5452e398b76 | 790 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 791 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 792 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 793 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 794 | } |
Just4pLeisure | 1:d5452e398b76 | 795 | // receive the response byte |
Just4pLeisure | 1:d5452e398b76 | 796 | return (bdm_get((uint32_t*)result, BDM_BYTESIZE, BDM_NOP)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 797 | } |
Just4pLeisure | 1:d5452e398b76 | 798 | |
Just4pLeisure | 1:d5452e398b76 | 799 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 800 | /** |
Just4pLeisure | 1:d5452e398b76 | 801 | Writes a byte to the MCU (follows a previously sent write or fill word cmd) |
Just4pLeisure | 1:d5452e398b76 | 802 | Sends a WRITE_BYTE command so that commands overlap |
Just4pLeisure | 1:d5452e398b76 | 803 | |
Just4pLeisure | 1:d5452e398b76 | 804 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 805 | value value to write |
Just4pLeisure | 1:d5452e398b76 | 806 | |
Just4pLeisure | 1:d5452e398b76 | 807 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 808 | */ |
Just4pLeisure | 1:d5452e398b76 | 809 | uint8_t memwrite_write_byte(const uint32_t* addr, uint8_t value) { |
Just4pLeisure | 1:d5452e398b76 | 810 | |
Just4pLeisure | 1:d5452e398b76 | 811 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 812 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 813 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 814 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 815 | } |
Just4pLeisure | 1:d5452e398b76 | 816 | // write the value |
Just4pLeisure | 1:d5452e398b76 | 817 | if (!bdm_put((uint32_t*)&value, BDM_BYTESIZE)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 818 | // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 819 | return (bdm_ready(BDM_WRITE + BDM_BYTESIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 820 | } |
Just4pLeisure | 1:d5452e398b76 | 821 | |
Just4pLeisure | 1:d5452e398b76 | 822 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 823 | /** |
Just4pLeisure | 1:d5452e398b76 | 824 | Writes a byte to the MCU (follows a previously sent write or fill word cmd) |
Just4pLeisure | 1:d5452e398b76 | 825 | Sends a READ_BYTE command so that commands overlap |
Just4pLeisure | 1:d5452e398b76 | 826 | |
Just4pLeisure | 1:d5452e398b76 | 827 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 828 | value value to write |
Just4pLeisure | 1:d5452e398b76 | 829 | |
Just4pLeisure | 1:d5452e398b76 | 830 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 831 | */ |
Just4pLeisure | 1:d5452e398b76 | 832 | uint8_t memwrite_read_byte(const uint32_t* addr, uint8_t value) { |
Just4pLeisure | 1:d5452e398b76 | 833 | |
Just4pLeisure | 1:d5452e398b76 | 834 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 835 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 836 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 837 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 838 | } |
Just4pLeisure | 1:d5452e398b76 | 839 | // write the value |
Just4pLeisure | 1:d5452e398b76 | 840 | if (!bdm_put((uint32_t*)&value, BDM_BYTESIZE)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 841 | // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 842 | return (bdm_ready(BDM_READ + BDM_BYTESIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 843 | } |
Just4pLeisure | 1:d5452e398b76 | 844 | |
Just4pLeisure | 1:d5452e398b76 | 845 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 846 | /** |
Just4pLeisure | 1:d5452e398b76 | 847 | Writes a byte to the MCU (follows a previously sent write or fill word cmd) |
Just4pLeisure | 1:d5452e398b76 | 848 | Sends a BDM_NOP command to end a sequence of overlapping commands |
Just4pLeisure | 1:d5452e398b76 | 849 | |
Just4pLeisure | 1:d5452e398b76 | 850 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 851 | value value to write |
Just4pLeisure | 1:d5452e398b76 | 852 | |
Just4pLeisure | 1:d5452e398b76 | 853 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 854 | */ |
Just4pLeisure | 1:d5452e398b76 | 855 | uint8_t memwrite_nop_byte(const uint32_t* addr, uint8_t value) { |
Just4pLeisure | 1:d5452e398b76 | 856 | |
Just4pLeisure | 1:d5452e398b76 | 857 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 858 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 859 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 860 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 861 | } |
Just4pLeisure | 1:d5452e398b76 | 862 | // write the value |
Just4pLeisure | 1:d5452e398b76 | 863 | if (!bdm_put((uint32_t*)&value, BDM_BYTESIZE)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 864 | // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 865 | return (bdm_ready(BDM_NOP)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 866 | } |
Just4pLeisure | 1:d5452e398b76 | 867 | |
Just4pLeisure | 1:d5452e398b76 | 868 | |
Just4pLeisure | 1:d5452e398b76 | 869 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 870 | /** |
Just4pLeisure | 1:d5452e398b76 | 871 | Writes 2 words to the same address |
Just4pLeisure | 1:d5452e398b76 | 872 | The BDM commands are overlapped to make things a bit faster |
Just4pLeisure | 1:d5452e398b76 | 873 | A BDM_NOP command is then sent to end the sequence of overlapping commands |
Just4pLeisure | 2:bf3a2b29259a | 874 | |
Just4pLeisure | 1:d5452e398b76 | 875 | @param addr address |
Just4pLeisure | 1:d5452e398b76 | 876 | value1, 2 values to write |
Just4pLeisure | 1:d5452e398b76 | 877 | |
Just4pLeisure | 1:d5452e398b76 | 878 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 879 | */ |
Just4pLeisure | 1:d5452e398b76 | 880 | uint8_t memwrite_word_write_word(const uint32_t* addr, const uint16_t value1, const uint16_t value2) { |
Just4pLeisure | 2:bf3a2b29259a | 881 | return (IN_BDM && |
Just4pLeisure | 2:bf3a2b29259a | 882 | bdm_command(BDM_WRITE + BDM_WORDSIZE) && // write command code |
Just4pLeisure | 2:bf3a2b29259a | 883 | bdm_address(addr) && // write the address |
Just4pLeisure | 2:bf3a2b29259a | 884 | bdm_put((uint32_t*)&value1, BDM_WORDSIZE) && // write the first value |
Just4pLeisure | 2:bf3a2b29259a | 885 | bdm_ready(BDM_WRITE + BDM_WORDSIZE) && // wait until MCU responds and overlap the next write command |
Just4pLeisure | 2:bf3a2b29259a | 886 | bdm_address(addr) && // write the address (same address for second word) |
Just4pLeisure | 2:bf3a2b29259a | 887 | bdm_put((uint32_t*)&value2, BDM_WORDSIZE) && // write the second value |
Just4pLeisure | 2:bf3a2b29259a | 888 | bdm_ready(BDM_NOP)) ? TERM_OK : TERM_ERR; // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 889 | } |
Just4pLeisure | 1:d5452e398b76 | 890 | |
Just4pLeisure | 1:d5452e398b76 | 891 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 892 | /** |
Just4pLeisure | 1:d5452e398b76 | 893 | Writes a word then reads back a result from the same address |
Just4pLeisure | 1:d5452e398b76 | 894 | The BDM commands are overlapped to make things a bit faster |
Just4pLeisure | 1:d5452e398b76 | 895 | A BDM_NOP command is then sent to end the sequence of overlapping commands |
Just4pLeisure | 1:d5452e398b76 | 896 | |
Just4pLeisure | 1:d5452e398b76 | 897 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 898 | addr address |
Just4pLeisure | 1:d5452e398b76 | 899 | value value to write |
Just4pLeisure | 1:d5452e398b76 | 900 | |
Just4pLeisure | 1:d5452e398b76 | 901 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 902 | */ |
Just4pLeisure | 1:d5452e398b76 | 903 | |
Just4pLeisure | 1:d5452e398b76 | 904 | uint8_t memwrite_word_read_word(uint16_t* result, const uint32_t* addr, const uint16_t value) { |
Just4pLeisure | 2:bf3a2b29259a | 905 | return (IN_BDM && |
Just4pLeisure | 2:bf3a2b29259a | 906 | bdm_command(BDM_WRITE + BDM_WORDSIZE) && // write command code |
Just4pLeisure | 2:bf3a2b29259a | 907 | bdm_address(addr) && // write the address |
Just4pLeisure | 2:bf3a2b29259a | 908 | bdm_put((uint32_t*)&value, BDM_WORDSIZE) && // write the value |
Just4pLeisure | 2:bf3a2b29259a | 909 | bdm_ready(BDM_READ + BDM_WORDSIZE) && // wait until MCU responds and overlap the next read command |
Just4pLeisure | 2:bf3a2b29259a | 910 | bdm_address(addr) && // write the address (same address for reading the result) |
Just4pLeisure | 2:bf3a2b29259a | 911 | bdm_get((uint32_t*)result, BDM_WORDSIZE, BDM_NOP)) ? TERM_OK : TERM_ERR; // receive the response word |
Just4pLeisure | 1:d5452e398b76 | 912 | } |
Just4pLeisure | 1:d5452e398b76 | 913 | |
Just4pLeisure | 1:d5452e398b76 | 914 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 915 | /** |
Just4pLeisure | 1:d5452e398b76 | 916 | Gets a word from the MCU (follows a previously sent read or dump word cmd) |
Just4pLeisure | 1:d5452e398b76 | 917 | Sends a DUMP_WORD command so that dump commands overlap |
Just4pLeisure | 1:d5452e398b76 | 918 | |
Just4pLeisure | 1:d5452e398b76 | 919 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 920 | |
Just4pLeisure | 1:d5452e398b76 | 921 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 922 | */ |
Just4pLeisure | 1:d5452e398b76 | 923 | uint8_t memget_word(uint16_t* result) { |
Just4pLeisure | 1:d5452e398b76 | 924 | |
Just4pLeisure | 1:d5452e398b76 | 925 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 926 | // receive the response word |
Just4pLeisure | 1:d5452e398b76 | 927 | return (bdm_get((uint32_t*)result, BDM_WORDSIZE, BDM_DUMP + BDM_WORDSIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 928 | } |
Just4pLeisure | 1:d5452e398b76 | 929 | |
Just4pLeisure | 1:d5452e398b76 | 930 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 931 | /** |
Just4pLeisure | 1:d5452e398b76 | 932 | Gets a long from the MCU (follows a previously sent read or dump long cmd) |
Just4pLeisure | 1:d5452e398b76 | 933 | Sends a DUMP_LONG command so that dump commands overlap |
Just4pLeisure | 1:d5452e398b76 | 934 | |
Just4pLeisure | 1:d5452e398b76 | 935 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 936 | |
Just4pLeisure | 1:d5452e398b76 | 937 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 938 | */ |
Just4pLeisure | 1:d5452e398b76 | 939 | uint8_t memget_long(uint32_t* result) { |
Just4pLeisure | 1:d5452e398b76 | 940 | |
Just4pLeisure | 1:d5452e398b76 | 941 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 942 | // receive the response words |
Just4pLeisure | 1:d5452e398b76 | 943 | return (bdm_get(result, BDM_LONGSIZE, BDM_DUMP + BDM_LONGSIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 944 | } |
Just4pLeisure | 1:d5452e398b76 | 945 | |
Just4pLeisure | 1:d5452e398b76 | 946 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 947 | /** |
Just4pLeisure | 1:d5452e398b76 | 948 | Reads value from system register. |
Just4pLeisure | 1:d5452e398b76 | 949 | |
Just4pLeisure | 1:d5452e398b76 | 950 | @param result register value (out) |
Just4pLeisure | 1:d5452e398b76 | 951 | @param reg register |
Just4pLeisure | 1:d5452e398b76 | 952 | |
Just4pLeisure | 1:d5452e398b76 | 953 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 954 | */ |
Just4pLeisure | 1:d5452e398b76 | 955 | uint8_t sysreg_read(uint32_t* result, uint8_t reg) { |
Just4pLeisure | 1:d5452e398b76 | 956 | // check state |
Just4pLeisure | 1:d5452e398b76 | 957 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 958 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 959 | } |
Just4pLeisure | 1:d5452e398b76 | 960 | |
Just4pLeisure | 1:d5452e398b76 | 961 | // read register |
Just4pLeisure | 1:d5452e398b76 | 962 | if (!bdm_read(result, BDM_RSREG + reg, NULL)) { |
Just4pLeisure | 1:d5452e398b76 | 963 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 964 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 965 | } |
Just4pLeisure | 1:d5452e398b76 | 966 | |
Just4pLeisure | 1:d5452e398b76 | 967 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 968 | } |
Just4pLeisure | 1:d5452e398b76 | 969 | |
Just4pLeisure | 1:d5452e398b76 | 970 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 971 | /** |
Just4pLeisure | 1:d5452e398b76 | 972 | Writes value to system register. |
Just4pLeisure | 1:d5452e398b76 | 973 | |
Just4pLeisure | 1:d5452e398b76 | 974 | @param reg register |
Just4pLeisure | 1:d5452e398b76 | 975 | @param value register value |
Just4pLeisure | 1:d5452e398b76 | 976 | |
Just4pLeisure | 1:d5452e398b76 | 977 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 978 | */ |
Just4pLeisure | 1:d5452e398b76 | 979 | uint8_t sysreg_write(uint8_t reg, const uint32_t* value) { |
Just4pLeisure | 1:d5452e398b76 | 980 | // check state |
Just4pLeisure | 1:d5452e398b76 | 981 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 982 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 983 | } |
Just4pLeisure | 1:d5452e398b76 | 984 | |
Just4pLeisure | 1:d5452e398b76 | 985 | // write register |
Just4pLeisure | 1:d5452e398b76 | 986 | if (!bdm_write(NULL, BDM_WSREG + reg, value)) { |
Just4pLeisure | 1:d5452e398b76 | 987 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 988 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 989 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 990 | } |
Just4pLeisure | 1:d5452e398b76 | 991 | |
Just4pLeisure | 1:d5452e398b76 | 992 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 993 | } |
Just4pLeisure | 1:d5452e398b76 | 994 | |
Just4pLeisure | 1:d5452e398b76 | 995 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 996 | /** |
Just4pLeisure | 1:d5452e398b76 | 997 | Reads value from A/D register. |
Just4pLeisure | 1:d5452e398b76 | 998 | |
Just4pLeisure | 1:d5452e398b76 | 999 | @param result register value (out) |
Just4pLeisure | 1:d5452e398b76 | 1000 | @param reg register |
Just4pLeisure | 1:d5452e398b76 | 1001 | |
Just4pLeisure | 1:d5452e398b76 | 1002 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 1003 | */ |
Just4pLeisure | 1:d5452e398b76 | 1004 | uint8_t adreg_read(uint32_t* result, uint8_t reg) { |
Just4pLeisure | 1:d5452e398b76 | 1005 | // check state |
Just4pLeisure | 1:d5452e398b76 | 1006 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 1007 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1008 | } |
Just4pLeisure | 1:d5452e398b76 | 1009 | |
Just4pLeisure | 1:d5452e398b76 | 1010 | // read register |
Just4pLeisure | 1:d5452e398b76 | 1011 | if (!bdm_read(result, BDM_RDREG + reg, NULL)) { |
Just4pLeisure | 1:d5452e398b76 | 1012 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 1013 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 1014 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1015 | } |
Just4pLeisure | 1:d5452e398b76 | 1016 | |
Just4pLeisure | 1:d5452e398b76 | 1017 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 1018 | } |
Just4pLeisure | 1:d5452e398b76 | 1019 | |
Just4pLeisure | 1:d5452e398b76 | 1020 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1021 | /** |
Just4pLeisure | 1:d5452e398b76 | 1022 | Writes value to A/D register. |
Just4pLeisure | 1:d5452e398b76 | 1023 | |
Just4pLeisure | 1:d5452e398b76 | 1024 | @param reg register |
Just4pLeisure | 1:d5452e398b76 | 1025 | @param value register value |
Just4pLeisure | 1:d5452e398b76 | 1026 | |
Just4pLeisure | 1:d5452e398b76 | 1027 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 1028 | */ |
Just4pLeisure | 1:d5452e398b76 | 1029 | uint8_t adreg_write(uint8_t reg, const uint32_t* value) { |
Just4pLeisure | 1:d5452e398b76 | 1030 | // check state |
Just4pLeisure | 1:d5452e398b76 | 1031 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 1032 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1033 | } |
Just4pLeisure | 1:d5452e398b76 | 1034 | |
Just4pLeisure | 1:d5452e398b76 | 1035 | // write register |
Just4pLeisure | 1:d5452e398b76 | 1036 | if (!bdm_write(NULL, BDM_WRREG + reg, value)) { |
Just4pLeisure | 1:d5452e398b76 | 1037 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 1038 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 1039 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1040 | } |
Just4pLeisure | 1:d5452e398b76 | 1041 | |
Just4pLeisure | 1:d5452e398b76 | 1042 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 1043 | } |
Just4pLeisure | 1:d5452e398b76 | 1044 | |
Just4pLeisure | 1:d5452e398b76 | 1045 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1046 | /** |
Just4pLeisure | 1:d5452e398b76 | 1047 | Issues a read command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 1048 | |
Just4pLeisure | 1:d5452e398b76 | 1049 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 1050 | @param cmd command sequence |
Just4pLeisure | 1:d5452e398b76 | 1051 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 1052 | |
Just4pLeisure | 1:d5452e398b76 | 1053 | @return succ / fail |
Just4pLeisure | 1:d5452e398b76 | 1054 | */ |
Just4pLeisure | 1:d5452e398b76 | 1055 | bool bdm_read(uint32_t* result, uint16_t cmd, const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 1056 | *result = 0; |
Just4pLeisure | 1:d5452e398b76 | 1057 | |
Just4pLeisure | 1:d5452e398b76 | 1058 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 1059 | bdm_clk(cmd, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1060 | if (bdm_response > BDM_CMDCMPLTE) { |
Just4pLeisure | 1:d5452e398b76 | 1061 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1062 | } |
Just4pLeisure | 1:d5452e398b76 | 1063 | |
Just4pLeisure | 1:d5452e398b76 | 1064 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 1065 | if (addr) { |
Just4pLeisure | 1:d5452e398b76 | 1066 | // first word |
Just4pLeisure | 1:d5452e398b76 | 1067 | bdm_clk((uint16_t)(*addr >> 16), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1068 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1069 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1070 | } |
Just4pLeisure | 1:d5452e398b76 | 1071 | // second word |
Just4pLeisure | 1:d5452e398b76 | 1072 | bdm_clk((uint16_t)(*addr), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1073 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1074 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1075 | } |
Just4pLeisure | 1:d5452e398b76 | 1076 | } |
Just4pLeisure | 1:d5452e398b76 | 1077 | |
Just4pLeisure | 1:d5452e398b76 | 1078 | // receive response words |
Just4pLeisure | 1:d5452e398b76 | 1079 | uint8_t wait_cnt; |
Just4pLeisure | 1:d5452e398b76 | 1080 | for (uint8_t curr_word = 0; curr_word < ((cmd & BDM_LONGSIZE) ? 2 : 1); |
Just4pLeisure | 1:d5452e398b76 | 1081 | ++curr_word) { |
Just4pLeisure | 1:d5452e398b76 | 1082 | // wait while MCU prepares the response |
Just4pLeisure | 1:d5452e398b76 | 1083 | wait_cnt = ERR_COUNT; |
Just4pLeisure | 1:d5452e398b76 | 1084 | do { |
Just4pLeisure | 1:d5452e398b76 | 1085 | bdm_clk(BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1086 | } while (bdm_response == BDM_NOTREADY && --wait_cnt > 0); |
Just4pLeisure | 1:d5452e398b76 | 1087 | |
Just4pLeisure | 1:d5452e398b76 | 1088 | // save the result |
Just4pLeisure | 1:d5452e398b76 | 1089 | if (bdm_response < BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1090 | (*result) <<= 16; |
Just4pLeisure | 1:d5452e398b76 | 1091 | (*result) |= bdm_response; |
Just4pLeisure | 1:d5452e398b76 | 1092 | } else { |
Just4pLeisure | 1:d5452e398b76 | 1093 | // result was not received |
Just4pLeisure | 1:d5452e398b76 | 1094 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1095 | } |
Just4pLeisure | 1:d5452e398b76 | 1096 | } |
Just4pLeisure | 1:d5452e398b76 | 1097 | |
Just4pLeisure | 1:d5452e398b76 | 1098 | return true; |
Just4pLeisure | 1:d5452e398b76 | 1099 | } |
Just4pLeisure | 1:d5452e398b76 | 1100 | |
Just4pLeisure | 1:d5452e398b76 | 1101 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1102 | /** |
Just4pLeisure | 1:d5452e398b76 | 1103 | Issues a write command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 1104 | |
Just4pLeisure | 1:d5452e398b76 | 1105 | @param num_words number of additional command words |
Just4pLeisure | 1:d5452e398b76 | 1106 | @param cmd command sequence |
Just4pLeisure | 1:d5452e398b76 | 1107 | |
Just4pLeisure | 1:d5452e398b76 | 1108 | @return succ / fail |
Just4pLeisure | 1:d5452e398b76 | 1109 | */ |
Just4pLeisure | 1:d5452e398b76 | 1110 | bool bdm_write(const uint32_t* addr, uint16_t cmd, const uint32_t* value) { |
Just4pLeisure | 1:d5452e398b76 | 1111 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 1112 | bdm_clk(cmd, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1113 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1114 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1115 | } |
Just4pLeisure | 1:d5452e398b76 | 1116 | |
Just4pLeisure | 1:d5452e398b76 | 1117 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 1118 | if (addr) { |
Just4pLeisure | 1:d5452e398b76 | 1119 | // first word |
Just4pLeisure | 1:d5452e398b76 | 1120 | bdm_clk((uint16_t)((*addr) >> 16), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1121 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1122 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1123 | } |
Just4pLeisure | 1:d5452e398b76 | 1124 | // second word |
Just4pLeisure | 1:d5452e398b76 | 1125 | bdm_clk((uint16_t)(*addr), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1126 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1127 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1128 | } |
Just4pLeisure | 1:d5452e398b76 | 1129 | } |
Just4pLeisure | 1:d5452e398b76 | 1130 | |
Just4pLeisure | 1:d5452e398b76 | 1131 | // write the value |
Just4pLeisure | 1:d5452e398b76 | 1132 | if (cmd & BDM_LONGSIZE) { |
Just4pLeisure | 1:d5452e398b76 | 1133 | bdm_clk((uint16_t)((*value) >> 16), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1134 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1135 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1136 | } |
Just4pLeisure | 1:d5452e398b76 | 1137 | } |
Just4pLeisure | 1:d5452e398b76 | 1138 | bdm_clk((uint16_t)(*value), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1139 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1140 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1141 | } |
Just4pLeisure | 1:d5452e398b76 | 1142 | |
Just4pLeisure | 1:d5452e398b76 | 1143 | // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 1144 | uint8_t wait_cnt = ERR_COUNT; |
Just4pLeisure | 1:d5452e398b76 | 1145 | do { |
Just4pLeisure | 1:d5452e398b76 | 1146 | // read response |
Just4pLeisure | 1:d5452e398b76 | 1147 | bdm_clk(BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1148 | } while (bdm_response == BDM_NOTREADY && --wait_cnt > 0); |
Just4pLeisure | 1:d5452e398b76 | 1149 | |
Just4pLeisure | 1:d5452e398b76 | 1150 | // check if command succeeded |
Just4pLeisure | 1:d5452e398b76 | 1151 | return (bdm_response == BDM_CMDCMPLTE); |
Just4pLeisure | 1:d5452e398b76 | 1152 | } |
Just4pLeisure | 1:d5452e398b76 | 1153 | |
Just4pLeisure | 1:d5452e398b76 | 1154 | bool bdm_command (uint16_t cmd) { |
Just4pLeisure | 1:d5452e398b76 | 1155 | // write command code |
Just4pLeisure | 2:bf3a2b29259a | 1156 | bdm_clk_fast(cmd, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1157 | return (bdm_response > BDM_NOTREADY) ? false : true; |
Just4pLeisure | 1:d5452e398b76 | 1158 | } |
Just4pLeisure | 1:d5452e398b76 | 1159 | |
Just4pLeisure | 1:d5452e398b76 | 1160 | bool bdm_address (const uint32_t* addr) { |
Just4pLeisure | 1:d5452e398b76 | 1161 | // write an address |
Just4pLeisure | 1:d5452e398b76 | 1162 | // first word |
Just4pLeisure | 2:bf3a2b29259a | 1163 | bdm_clk_fast((uint16_t)((*addr) >> 16), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1164 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1165 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1166 | } |
Just4pLeisure | 1:d5452e398b76 | 1167 | // second word |
Just4pLeisure | 2:bf3a2b29259a | 1168 | bdm_clk_fast((uint16_t)(*addr), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1169 | return (bdm_response > BDM_NOTREADY) ? false : true; |
Just4pLeisure | 1:d5452e398b76 | 1170 | } |
Just4pLeisure | 1:d5452e398b76 | 1171 | |
Just4pLeisure | 1:d5452e398b76 | 1172 | bool bdm_get (uint32_t* result, uint8_t size, uint16_t next_cmd) { |
Just4pLeisure | 1:d5452e398b76 | 1173 | // receive response words |
Just4pLeisure | 1:d5452e398b76 | 1174 | *result = 0; |
Just4pLeisure | 1:d5452e398b76 | 1175 | uint8_t wait_cnt; |
Just4pLeisure | 1:d5452e398b76 | 1176 | for (uint8_t curr_word = 0; curr_word < ((size & BDM_LONGSIZE) ? 2 : 1); |
Just4pLeisure | 1:d5452e398b76 | 1177 | ++curr_word) { |
Just4pLeisure | 1:d5452e398b76 | 1178 | // wait while MCU prepares the response |
Just4pLeisure | 1:d5452e398b76 | 1179 | wait_cnt = ERR_COUNT; |
Just4pLeisure | 1:d5452e398b76 | 1180 | do { |
Just4pLeisure | 2:bf3a2b29259a | 1181 | bdm_clk_fast(next_cmd, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1182 | } while (bdm_response == BDM_NOTREADY && --wait_cnt > 0); |
Just4pLeisure | 1:d5452e398b76 | 1183 | |
Just4pLeisure | 1:d5452e398b76 | 1184 | // save the result |
Just4pLeisure | 1:d5452e398b76 | 1185 | if (bdm_response < BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1186 | (*result) <<= 16; |
Just4pLeisure | 1:d5452e398b76 | 1187 | (*result) |= bdm_response; |
Just4pLeisure | 1:d5452e398b76 | 1188 | } else { |
Just4pLeisure | 1:d5452e398b76 | 1189 | // result was not received |
Just4pLeisure | 1:d5452e398b76 | 1190 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1191 | } |
Just4pLeisure | 1:d5452e398b76 | 1192 | } |
Just4pLeisure | 1:d5452e398b76 | 1193 | return true; |
Just4pLeisure | 1:d5452e398b76 | 1194 | } |
Just4pLeisure | 1:d5452e398b76 | 1195 | |
Just4pLeisure | 1:d5452e398b76 | 1196 | bool bdm_put (const uint32_t* value, uint8_t size) { |
Just4pLeisure | 1:d5452e398b76 | 1197 | // write the value |
Just4pLeisure | 1:d5452e398b76 | 1198 | if (size & BDM_LONGSIZE) { |
Just4pLeisure | 2:bf3a2b29259a | 1199 | bdm_clk_fast((uint16_t)((*value) >> 16), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1200 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1201 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1202 | } |
Just4pLeisure | 1:d5452e398b76 | 1203 | } |
Just4pLeisure | 2:bf3a2b29259a | 1204 | bdm_clk_fast((uint16_t)(*value), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1205 | return (bdm_response > BDM_NOTREADY) ? false : true; |
Just4pLeisure | 1:d5452e398b76 | 1206 | } |
Just4pLeisure | 1:d5452e398b76 | 1207 | |
Just4pLeisure | 1:d5452e398b76 | 1208 | bool bdm_ready (uint16_t next_cmd) { |
Just4pLeisure | 1:d5452e398b76 | 1209 | // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 1210 | uint8_t wait_cnt = ERR_COUNT; |
Just4pLeisure | 1:d5452e398b76 | 1211 | do { |
Just4pLeisure | 1:d5452e398b76 | 1212 | // read response |
Just4pLeisure | 2:bf3a2b29259a | 1213 | bdm_clk_fast(next_cmd, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1214 | } while (bdm_response == BDM_NOTREADY && --wait_cnt > 0); |
Just4pLeisure | 1:d5452e398b76 | 1215 | |
Just4pLeisure | 1:d5452e398b76 | 1216 | // check if command succeeded |
Just4pLeisure | 1:d5452e398b76 | 1217 | return (bdm_response == BDM_CMDCMPLTE); |
Just4pLeisure | 1:d5452e398b76 | 1218 | } |
Just4pLeisure | 1:d5452e398b76 | 1219 | |
Just4pLeisure | 1:d5452e398b76 | 1220 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1221 | /** |
Just4pLeisure | 1:d5452e398b76 | 1222 | Writes a word to target MCU via BDM line and gets the response. |
Just4pLeisure | 1:d5452e398b76 | 1223 | |
Just4pLeisure | 1:d5452e398b76 | 1224 | @param value value to write |
Just4pLeisure | 1:d5452e398b76 | 1225 | @param num_bits value size, bits |
Just4pLeisure | 1:d5452e398b76 | 1226 | */ |
Just4pLeisure | 1:d5452e398b76 | 1227 | void bdm_clk(uint16_t value, uint8_t num_bits) { |
Just4pLeisure | 1:d5452e398b76 | 1228 | // PIN_BKPT.output(); |
Just4pLeisure | 2:bf3a2b29259a | 1229 | PIN_DSI.output(); |
Just4pLeisure | 1:d5452e398b76 | 1230 | // clock the value via BDM |
Just4pLeisure | 1:d5452e398b76 | 1231 | bdm_response = ((uint32_t)value) << (32 - num_bits); |
Just4pLeisure | 1:d5452e398b76 | 1232 | // bool dsi; |
Just4pLeisure | 1:d5452e398b76 | 1233 | while (num_bits--) { |
Just4pLeisure | 1:d5452e398b76 | 1234 | |
Just4pLeisure | 1:d5452e398b76 | 1235 | // falling edge on BKPT/DSCLK |
Just4pLeisure | 1:d5452e398b76 | 1236 | PIN_BKPT.write(0); |
Just4pLeisure | 1:d5452e398b76 | 1237 | // set DSI bit |
Just4pLeisure | 1:d5452e398b76 | 1238 | PIN_DSI.write(bdm_response & 0x80000000); |
Just4pLeisure | 1:d5452e398b76 | 1239 | bdm_response <<= 1; |
Just4pLeisure | 1:d5452e398b76 | 1240 | // read DSO bit |
Just4pLeisure | 1:d5452e398b76 | 1241 | bdm_response |= PIN_DSO.read(); |
Just4pLeisure | 1:d5452e398b76 | 1242 | // short delay |
Just4pLeisure | 1:d5452e398b76 | 1243 | // for (uint8_t c = 1; c; c--); |
Just4pLeisure | 1:d5452e398b76 | 1244 | // wait_us(1); |
Just4pLeisure | 1:d5452e398b76 | 1245 | // rising edge on BKPT/DSCLK |
Just4pLeisure | 1:d5452e398b76 | 1246 | PIN_BKPT.write(1); |
Just4pLeisure | 1:d5452e398b76 | 1247 | // short delay |
Just4pLeisure | 1:d5452e398b76 | 1248 | for (uint8_t c = 1; c; c--); |
Just4pLeisure | 1:d5452e398b76 | 1249 | // wait_us(1); |
Just4pLeisure | 1:d5452e398b76 | 1250 | } |
Just4pLeisure | 1:d5452e398b76 | 1251 | PIN_DSI.input(); |
Just4pLeisure | 1:d5452e398b76 | 1252 | } |
Just4pLeisure | 1:d5452e398b76 | 1253 | |
Just4pLeisure | 1:d5452e398b76 | 1254 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1255 | /** |
Just4pLeisure | 2:bf3a2b29259a | 1256 | Writes a word to target MCU via BDM line and gets the response. |
Just4pLeisure | 2:bf3a2b29259a | 1257 | This 'fast' version can be used once the 68332 has been 'prepped' |
Just4pLeisure | 2:bf3a2b29259a | 1258 | because the BDM interface can go twice as fast once the 68332 |
Just4pLeisure | 2:bf3a2b29259a | 1259 | clock is increased from 8 MHz to 16 MHz |
Just4pLeisure | 2:bf3a2b29259a | 1260 | |
Just4pLeisure | 2:bf3a2b29259a | 1261 | @param value value to write |
Just4pLeisure | 2:bf3a2b29259a | 1262 | @param num_bits value size, bits |
Just4pLeisure | 2:bf3a2b29259a | 1263 | */ |
Just4pLeisure | 2:bf3a2b29259a | 1264 | void bdm_clk_fast(uint16_t value, uint8_t num_bits) { |
Just4pLeisure | 2:bf3a2b29259a | 1265 | |
Just4pLeisure | 2:bf3a2b29259a | 1266 | //Set BKPT |
Just4pLeisure | 2:bf3a2b29259a | 1267 | // PIN_BKPT.write(1); |
Just4pLeisure | 2:bf3a2b29259a | 1268 | // LPC_GPIO2->FIOSET = (1 << 4); |
Just4pLeisure | 2:bf3a2b29259a | 1269 | // PIN_BKPT.output(); |
Just4pLeisure | 2:bf3a2b29259a | 1270 | |
Just4pLeisure | 2:bf3a2b29259a | 1271 | // uint32_t mask = LPC_GPIO2->FIOMASK; |
Just4pLeisure | 2:bf3a2b29259a | 1272 | // LPC_GPIO2->FIOMASK = ~((1 << 4) | (1 << 2)); |
Just4pLeisure | 2:bf3a2b29259a | 1273 | //Make DSI an output |
Just4pLeisure | 2:bf3a2b29259a | 1274 | LPC_GPIO2->FIODIR |= (1 << 2); |
Just4pLeisure | 2:bf3a2b29259a | 1275 | // clock the value via BDM |
Just4pLeisure | 2:bf3a2b29259a | 1276 | bdm_response = ((uint32_t)value) << (32 - num_bits); |
Just4pLeisure | 2:bf3a2b29259a | 1277 | while (num_bits--) { |
Just4pLeisure | 2:bf3a2b29259a | 1278 | // set DSI bit |
Just4pLeisure | 2:bf3a2b29259a | 1279 | // LPC_GPIO2->FIOPIN = ((bool)(bdm_response & 0x80000000) << 2); |
Just4pLeisure | 2:bf3a2b29259a | 1280 | if (bdm_response & 0x80000000) |
Just4pLeisure | 2:bf3a2b29259a | 1281 | LPC_GPIO2->FIOSET = (1 << 2); |
Just4pLeisure | 2:bf3a2b29259a | 1282 | else |
Just4pLeisure | 2:bf3a2b29259a | 1283 | LPC_GPIO2->FIOCLR = (1 << 2); |
Just4pLeisure | 2:bf3a2b29259a | 1284 | // falling edge on BKPT/DSCLK |
Just4pLeisure | 2:bf3a2b29259a | 1285 | LPC_GPIO2->FIOCLR = (1 << 4); |
Just4pLeisure | 2:bf3a2b29259a | 1286 | // for (uint8_t c = 1; c; c--); |
Just4pLeisure | 2:bf3a2b29259a | 1287 | // // read DSO bit |
Just4pLeisure | 2:bf3a2b29259a | 1288 | // (bdm_response <<= 1) |= (bool)((LPC_GPIO0->FIOPIN) & (1 << 11)); -- OLD CONNECTION to PIN 27 |
Just4pLeisure | 2:bf3a2b29259a | 1289 | (bdm_response <<= 1) |= (bool)((LPC_GPIO2->FIOPIN) & (1 << 1)); |
Just4pLeisure | 2:bf3a2b29259a | 1290 | // rising edge on BKPT/DSCLK |
Just4pLeisure | 2:bf3a2b29259a | 1291 | LPC_GPIO2->FIOSET = (1 << 4); |
Just4pLeisure | 2:bf3a2b29259a | 1292 | for (uint8_t c = 1; c; c--); |
Just4pLeisure | 2:bf3a2b29259a | 1293 | } |
Just4pLeisure | 2:bf3a2b29259a | 1294 | //Make DSI an input |
Just4pLeisure | 2:bf3a2b29259a | 1295 | LPC_GPIO2->FIODIR &= ~(1 << 2); |
Just4pLeisure | 2:bf3a2b29259a | 1296 | // LPC_GPIO2->FIOMASK = mask; |
Just4pLeisure | 2:bf3a2b29259a | 1297 | } |
Just4pLeisure | 2:bf3a2b29259a | 1298 | //----------------------------------------------------------------------------- |
Just4pLeisure | 2:bf3a2b29259a | 1299 | /** |
Just4pLeisure | 1:d5452e398b76 | 1300 | Clears the BDM interface after errors. |
Just4pLeisure | 1:d5452e398b76 | 1301 | */ |
Just4pLeisure | 1:d5452e398b76 | 1302 | void bdm_clear() { |
Just4pLeisure | 1:d5452e398b76 | 1303 | bdm_clk (BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1304 | bdm_clk (BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1305 | bdm_clk (BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1306 | bdm_clk (BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1307 | |
Just4pLeisure | 1:d5452e398b76 | 1308 | while (bdm_response > 0) { |
Just4pLeisure | 1:d5452e398b76 | 1309 | bdm_clk(0, 1); |
Just4pLeisure | 1:d5452e398b76 | 1310 | } |
Just4pLeisure | 1:d5452e398b76 | 1311 | while (bdm_response < 1) { |
Just4pLeisure | 1:d5452e398b76 | 1312 | bdm_clk(0, 1); |
Just4pLeisure | 1:d5452e398b76 | 1313 | } |
Just4pLeisure | 1:d5452e398b76 | 1314 | bdm_clk(0, 15); |
Just4pLeisure | 1:d5452e398b76 | 1315 | } |
Just4pLeisure | 1:d5452e398b76 | 1316 | |
Just4pLeisure | 1:d5452e398b76 | 1317 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1318 | // EOF |
Just4pLeisure | 1:d5452e398b76 | 1319 | //----------------------------------------------------------------------------- |