Updated to use external spawn.
Fork of simplelink_V2 by
cc3100_spi.cpp@1:9b68e650b3f6, 2015-06-06 (annotated)
- Committer:
- dflet
- Date:
- Sat Jun 06 13:48:29 2015 +0000
- Revision:
- 1:9b68e650b3f6
- Parent:
- 0:1a07906111ec
Oppps
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dflet | 0:1a07906111ec | 1 | /* |
dflet | 0:1a07906111ec | 2 | * spi.cpp mbed |
dflet | 0:1a07906111ec | 3 | * |
dflet | 0:1a07906111ec | 4 | * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/ |
dflet | 0:1a07906111ec | 5 | * |
dflet | 0:1a07906111ec | 6 | * |
dflet | 0:1a07906111ec | 7 | * Redistribution and use in source and binary forms, with or without |
dflet | 0:1a07906111ec | 8 | * modification, are permitted provided that the following conditions |
dflet | 0:1a07906111ec | 9 | * are met: |
dflet | 0:1a07906111ec | 10 | * |
dflet | 0:1a07906111ec | 11 | * Redistributions of source code must retain the above copyright |
dflet | 0:1a07906111ec | 12 | * notice, this list of conditions and the following disclaimer. |
dflet | 0:1a07906111ec | 13 | * |
dflet | 0:1a07906111ec | 14 | * Redistributions in binary form must reproduce the above copyright |
dflet | 0:1a07906111ec | 15 | * notice, this list of conditions and the following disclaimer in the |
dflet | 0:1a07906111ec | 16 | * documentation and/or other materials provided with the |
dflet | 0:1a07906111ec | 17 | * distribution. |
dflet | 0:1a07906111ec | 18 | * |
dflet | 0:1a07906111ec | 19 | * Neither the name of Texas Instruments Incorporated nor the names of |
dflet | 0:1a07906111ec | 20 | * its contributors may be used to endorse or promote products derived |
dflet | 0:1a07906111ec | 21 | * from this software without specific prior written permission. |
dflet | 0:1a07906111ec | 22 | * |
dflet | 0:1a07906111ec | 23 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
dflet | 0:1a07906111ec | 24 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
dflet | 0:1a07906111ec | 25 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
dflet | 0:1a07906111ec | 26 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
dflet | 0:1a07906111ec | 27 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
dflet | 0:1a07906111ec | 28 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
dflet | 0:1a07906111ec | 29 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
dflet | 0:1a07906111ec | 30 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
dflet | 0:1a07906111ec | 31 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
dflet | 0:1a07906111ec | 32 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
dflet | 0:1a07906111ec | 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
dflet | 0:1a07906111ec | 34 | * |
dflet | 0:1a07906111ec | 35 | */ |
dflet | 0:1a07906111ec | 36 | |
dflet | 0:1a07906111ec | 37 | #include "cc3100_simplelink.h" |
dflet | 0:1a07906111ec | 38 | #include "cc3100_spi.h" |
dflet | 0:1a07906111ec | 39 | #include "cli_uart.h" |
dflet | 0:1a07906111ec | 40 | |
dflet | 0:1a07906111ec | 41 | #include "osi.h" |
dflet | 0:1a07906111ec | 42 | #include "portmacro.h" |
dflet | 0:1a07906111ec | 43 | #include "projdefs.h" |
dflet | 0:1a07906111ec | 44 | |
dflet | 0:1a07906111ec | 45 | extern OsiMsgQ_t g_PBQueue; /*Message Queue*/ |
dflet | 0:1a07906111ec | 46 | |
dflet | 0:1a07906111ec | 47 | namespace mbed_cc3100 { |
dflet | 0:1a07906111ec | 48 | |
dflet | 0:1a07906111ec | 49 | P_EVENT_HANDLER pIraEventHandler = 0; |
dflet | 0:1a07906111ec | 50 | uint8_t IntIsMasked; |
dflet | 0:1a07906111ec | 51 | |
dflet | 0:1a07906111ec | 52 | cc3100_spi::cc3100_spi(PinName button1_irq, PinName button2_irq, PinName cc3100_irq, PinName cc3100_nHIB, PinName cc3100_cs, SPI cc3100_spi, cc3100_driver &driver) |
dflet | 0:1a07906111ec | 53 | : _sw1_irq(button1_irq), _sw2_irq(button2_irq), _wlan_irq(cc3100_irq), _wlan_nHIB(cc3100_nHIB), _wlan_cs(cc3100_cs), _wlan_spi(cc3100_spi), _driver(driver) |
dflet | 0:1a07906111ec | 54 | { |
dflet | 0:1a07906111ec | 55 | |
dflet | 0:1a07906111ec | 56 | _wlan_spi.format(8,1); |
dflet | 0:1a07906111ec | 57 | _wlan_spi.frequency(16000000); |
dflet | 0:1a07906111ec | 58 | _wlan_irq.rise(this, &cc3100_spi::IntSpiGPIOHandler); //_SlDrvRxIrqHandler is called from IntSpiGPIOHandler |
dflet | 0:1a07906111ec | 59 | _sw1_irq.rise(this, &cc3100_spi::buttonHandler_1); |
dflet | 0:1a07906111ec | 60 | _sw2_irq.rise(this, &cc3100_spi::buttonHandler_2); |
dflet | 0:1a07906111ec | 61 | _wlan_nHIB = 0; |
dflet | 0:1a07906111ec | 62 | _wlan_cs = 1; |
dflet | 0:1a07906111ec | 63 | wait_ms(200); |
dflet | 0:1a07906111ec | 64 | |
dflet | 0:1a07906111ec | 65 | |
dflet | 0:1a07906111ec | 66 | } |
dflet | 0:1a07906111ec | 67 | |
dflet | 0:1a07906111ec | 68 | cc3100_spi::~cc3100_spi() |
dflet | 0:1a07906111ec | 69 | { |
dflet | 0:1a07906111ec | 70 | |
dflet | 0:1a07906111ec | 71 | } |
dflet | 0:1a07906111ec | 72 | |
dflet | 0:1a07906111ec | 73 | int cc3100_spi::spi_Close(Fd_t fd) |
dflet | 0:1a07906111ec | 74 | { |
dflet | 0:1a07906111ec | 75 | |
dflet | 0:1a07906111ec | 76 | // Disable WLAN Interrupt ... |
dflet | 0:1a07906111ec | 77 | cc3100_InterruptDisable(); |
dflet | 0:1a07906111ec | 78 | |
dflet | 0:1a07906111ec | 79 | return NONOS_RET_OK; |
dflet | 0:1a07906111ec | 80 | } |
dflet | 0:1a07906111ec | 81 | |
dflet | 0:1a07906111ec | 82 | void cc3100_spi::button1_InterruptDisable() |
dflet | 0:1a07906111ec | 83 | { |
dflet | 0:1a07906111ec | 84 | _sw1_irq.rise(NULL); |
dflet | 0:1a07906111ec | 85 | wait_ms(1); |
dflet | 0:1a07906111ec | 86 | } |
dflet | 0:1a07906111ec | 87 | |
dflet | 0:1a07906111ec | 88 | void cc3100_spi::button2_InterruptDisable() |
dflet | 0:1a07906111ec | 89 | { |
dflet | 0:1a07906111ec | 90 | _sw2_irq.rise(NULL); |
dflet | 0:1a07906111ec | 91 | wait_ms(1); |
dflet | 0:1a07906111ec | 92 | } |
dflet | 0:1a07906111ec | 93 | |
dflet | 0:1a07906111ec | 94 | void cc3100_spi::button1_InterruptEnable() |
dflet | 0:1a07906111ec | 95 | { |
dflet | 0:1a07906111ec | 96 | _sw1_irq.rise(this, &cc3100_spi::buttonHandler_1); |
dflet | 0:1a07906111ec | 97 | } |
dflet | 0:1a07906111ec | 98 | |
dflet | 0:1a07906111ec | 99 | void cc3100_spi::button2_InterruptEnable() |
dflet | 0:1a07906111ec | 100 | { |
dflet | 0:1a07906111ec | 101 | _sw2_irq.rise(this, &cc3100_spi::buttonHandler_2); |
dflet | 0:1a07906111ec | 102 | } |
dflet | 0:1a07906111ec | 103 | |
dflet | 0:1a07906111ec | 104 | void cc3100_spi::cc3100_InterruptEnable() |
dflet | 0:1a07906111ec | 105 | { |
dflet | 0:1a07906111ec | 106 | _wlan_irq.rise(this, &cc3100_spi::IntSpiGPIOHandler); |
dflet | 0:1a07906111ec | 107 | } |
dflet | 0:1a07906111ec | 108 | |
dflet | 0:1a07906111ec | 109 | void cc3100_spi::cc3100_InterruptDisable() |
dflet | 0:1a07906111ec | 110 | { |
dflet | 0:1a07906111ec | 111 | _wlan_irq.rise(NULL); |
dflet | 0:1a07906111ec | 112 | } |
dflet | 0:1a07906111ec | 113 | |
dflet | 0:1a07906111ec | 114 | void cc3100_spi::CC3100_disable() |
dflet | 0:1a07906111ec | 115 | { |
dflet | 0:1a07906111ec | 116 | _wlan_nHIB = 0; |
dflet | 0:1a07906111ec | 117 | } |
dflet | 0:1a07906111ec | 118 | |
dflet | 0:1a07906111ec | 119 | void cc3100_spi::CC3100_enable() |
dflet | 0:1a07906111ec | 120 | { |
dflet | 0:1a07906111ec | 121 | |
dflet | 0:1a07906111ec | 122 | _wlan_nHIB = 1; |
dflet | 0:1a07906111ec | 123 | } |
dflet | 0:1a07906111ec | 124 | |
dflet | 0:1a07906111ec | 125 | Fd_t cc3100_spi::spi_Open(int8_t *ifName, uint32_t flags) |
dflet | 0:1a07906111ec | 126 | { |
dflet | 0:1a07906111ec | 127 | |
dflet | 0:1a07906111ec | 128 | // 50 ms delay |
dflet | 0:1a07906111ec | 129 | wait_ms(50); |
dflet | 0:1a07906111ec | 130 | |
dflet | 0:1a07906111ec | 131 | // Enable WLAN interrupt |
dflet | 0:1a07906111ec | 132 | cc3100_InterruptEnable(); |
dflet | 0:1a07906111ec | 133 | |
dflet | 0:1a07906111ec | 134 | return NONOS_RET_OK; |
dflet | 0:1a07906111ec | 135 | } |
dflet | 0:1a07906111ec | 136 | |
dflet | 0:1a07906111ec | 137 | int cc3100_spi::spi_Write(Fd_t fd, uint8_t *pBuff, int len) |
dflet | 0:1a07906111ec | 138 | { |
dflet | 0:1a07906111ec | 139 | int len_to_return = len; |
dflet | 0:1a07906111ec | 140 | |
dflet | 0:1a07906111ec | 141 | _wlan_cs = 0; |
dflet | 0:1a07906111ec | 142 | |
dflet | 0:1a07906111ec | 143 | while(len) { |
dflet | 0:1a07906111ec | 144 | _wlan_spi.write(*pBuff++); |
dflet | 0:1a07906111ec | 145 | len--; |
dflet | 0:1a07906111ec | 146 | } |
dflet | 0:1a07906111ec | 147 | |
dflet | 0:1a07906111ec | 148 | _wlan_cs = 1; |
dflet | 0:1a07906111ec | 149 | |
dflet | 0:1a07906111ec | 150 | return len_to_return; |
dflet | 0:1a07906111ec | 151 | } |
dflet | 0:1a07906111ec | 152 | |
dflet | 0:1a07906111ec | 153 | int cc3100_spi::spi_Read(Fd_t fd, uint8_t *pBuff, int len) |
dflet | 0:1a07906111ec | 154 | { |
dflet | 0:1a07906111ec | 155 | int i = 0; |
dflet | 0:1a07906111ec | 156 | _wlan_cs = 0; |
dflet | 0:1a07906111ec | 157 | |
dflet | 0:1a07906111ec | 158 | for (i = 0; i < len; i++) { |
dflet | 0:1a07906111ec | 159 | pBuff[i] = _wlan_spi.write(0xFF); |
dflet | 0:1a07906111ec | 160 | } |
dflet | 0:1a07906111ec | 161 | |
dflet | 0:1a07906111ec | 162 | _wlan_cs = 1; |
dflet | 0:1a07906111ec | 163 | return len; |
dflet | 0:1a07906111ec | 164 | } |
dflet | 0:1a07906111ec | 165 | |
dflet | 0:1a07906111ec | 166 | void cc3100_spi::IntSpiGPIOHandler(void) |
dflet | 0:1a07906111ec | 167 | { |
dflet | 0:1a07906111ec | 168 | |
dflet | 0:1a07906111ec | 169 | if(_wlan_irq){ |
dflet | 0:1a07906111ec | 170 | _driver._SlDrvRxIrqHandler(0); |
dflet | 0:1a07906111ec | 171 | } |
dflet | 0:1a07906111ec | 172 | } |
dflet | 0:1a07906111ec | 173 | |
dflet | 0:1a07906111ec | 174 | /*! |
dflet | 0:1a07906111ec | 175 | \brief register an interrupt handler for the host IRQ |
dflet | 0:1a07906111ec | 176 | |
dflet | 0:1a07906111ec | 177 | \param[in] InterruptHdl - pointer to interrupt handler function |
dflet | 0:1a07906111ec | 178 | |
dflet | 0:1a07906111ec | 179 | \param[in] pValue - pointer to a memory strcuture that is |
dflet | 0:1a07906111ec | 180 | passed to the interrupt handler. |
dflet | 0:1a07906111ec | 181 | |
dflet | 0:1a07906111ec | 182 | \return upon successful registration, the function shall return 0. |
dflet | 0:1a07906111ec | 183 | Otherwise, -1 shall be returned |
dflet | 0:1a07906111ec | 184 | |
dflet | 0:1a07906111ec | 185 | \sa |
dflet | 0:1a07906111ec | 186 | \note If there is already registered interrupt handler, the |
dflet | 0:1a07906111ec | 187 | function should overwrite the old handler with the new one |
dflet | 0:1a07906111ec | 188 | \warning |
dflet | 0:1a07906111ec | 189 | */ |
dflet | 0:1a07906111ec | 190 | int cc3100_spi::registerInterruptHandler(P_EVENT_HANDLER InterruptHdl , void* pValue) |
dflet | 0:1a07906111ec | 191 | { |
dflet | 0:1a07906111ec | 192 | |
dflet | 0:1a07906111ec | 193 | pIraEventHandler = InterruptHdl; |
dflet | 0:1a07906111ec | 194 | return 0; |
dflet | 0:1a07906111ec | 195 | } |
dflet | 0:1a07906111ec | 196 | |
dflet | 0:1a07906111ec | 197 | /*! |
dflet | 0:1a07906111ec | 198 | \brief Unmasks the Host IRQ |
dflet | 0:1a07906111ec | 199 | |
dflet | 0:1a07906111ec | 200 | \param[in] none |
dflet | 0:1a07906111ec | 201 | |
dflet | 0:1a07906111ec | 202 | \return none |
dflet | 0:1a07906111ec | 203 | |
dflet | 0:1a07906111ec | 204 | \warning |
dflet | 0:1a07906111ec | 205 | */ |
dflet | 0:1a07906111ec | 206 | void cc3100_spi::UnMaskIntHdlr() |
dflet | 0:1a07906111ec | 207 | { |
dflet | 0:1a07906111ec | 208 | IntIsMasked = FALSE; |
dflet | 0:1a07906111ec | 209 | } |
dflet | 0:1a07906111ec | 210 | |
dflet | 0:1a07906111ec | 211 | /*! |
dflet | 0:1a07906111ec | 212 | \brief Masks the Host IRQ |
dflet | 0:1a07906111ec | 213 | |
dflet | 0:1a07906111ec | 214 | \param[in] none |
dflet | 0:1a07906111ec | 215 | |
dflet | 0:1a07906111ec | 216 | \return none |
dflet | 0:1a07906111ec | 217 | |
dflet | 0:1a07906111ec | 218 | \warning |
dflet | 0:1a07906111ec | 219 | */ |
dflet | 0:1a07906111ec | 220 | void cc3100_spi::MaskIntHdlr() |
dflet | 0:1a07906111ec | 221 | { |
dflet | 0:1a07906111ec | 222 | IntIsMasked = TRUE; |
dflet | 0:1a07906111ec | 223 | } |
dflet | 0:1a07906111ec | 224 | |
dflet | 0:1a07906111ec | 225 | /*! |
dflet | 0:1a07906111ec | 226 | \brief Handles the button press 1 on the MCU |
dflet | 0:1a07906111ec | 227 | and updates the queue with relevant action. |
dflet | 0:1a07906111ec | 228 | |
dflet | 0:1a07906111ec | 229 | \param none |
dflet | 0:1a07906111ec | 230 | |
dflet | 0:1a07906111ec | 231 | \return none |
dflet | 0:1a07906111ec | 232 | */ |
dflet | 0:1a07906111ec | 233 | void cc3100_spi::buttonHandler_1(void) |
dflet | 0:1a07906111ec | 234 | { |
dflet | 0:1a07906111ec | 235 | int32_t rv = 0; |
dflet | 0:1a07906111ec | 236 | button1_InterruptDisable(); |
dflet | 0:1a07906111ec | 237 | osi_messages var; |
dflet | 0:1a07906111ec | 238 | |
dflet | 0:1a07906111ec | 239 | g_publishCount++; |
dflet | 0:1a07906111ec | 240 | |
dflet | 0:1a07906111ec | 241 | var = PUSH_BUTTON_1_PRESSED; |
dflet | 0:1a07906111ec | 242 | |
dflet | 0:1a07906111ec | 243 | rv = osi_MsgQWrite(&g_PBQueue, &var, OSI_NO_WAIT); |
dflet | 0:1a07906111ec | 244 | if(rv < 0){ |
dflet | 0:1a07906111ec | 245 | Uart_Write((uint8_t*)"Messsage queue failed\r\n"); |
dflet | 0:1a07906111ec | 246 | } |
dflet | 0:1a07906111ec | 247 | |
dflet | 0:1a07906111ec | 248 | } |
dflet | 0:1a07906111ec | 249 | |
dflet | 0:1a07906111ec | 250 | /*! |
dflet | 0:1a07906111ec | 251 | \brief Handles the button press 2 on the MCU |
dflet | 0:1a07906111ec | 252 | and updates the queue with relevant action. |
dflet | 0:1a07906111ec | 253 | |
dflet | 0:1a07906111ec | 254 | \param none |
dflet | 0:1a07906111ec | 255 | |
dflet | 0:1a07906111ec | 256 | \return none |
dflet | 0:1a07906111ec | 257 | */ |
dflet | 0:1a07906111ec | 258 | void cc3100_spi::buttonHandler_2(void) |
dflet | 0:1a07906111ec | 259 | { |
dflet | 0:1a07906111ec | 260 | int32_t rv = 0; |
dflet | 0:1a07906111ec | 261 | button2_InterruptDisable(); |
dflet | 0:1a07906111ec | 262 | osi_messages var; |
dflet | 0:1a07906111ec | 263 | |
dflet | 0:1a07906111ec | 264 | g_publishCount++; |
dflet | 0:1a07906111ec | 265 | |
dflet | 0:1a07906111ec | 266 | var = PUSH_BUTTON_2_PRESSED; |
dflet | 0:1a07906111ec | 267 | |
dflet | 0:1a07906111ec | 268 | rv = osi_MsgQWrite(&g_PBQueue, &var, OSI_NO_WAIT); |
dflet | 0:1a07906111ec | 269 | if(rv < 0){ |
dflet | 0:1a07906111ec | 270 | Uart_Write((uint8_t*)"Messsage queue failed\r\n"); |
dflet | 0:1a07906111ec | 271 | } |
dflet | 0:1a07906111ec | 272 | |
dflet | 0:1a07906111ec | 273 | } |
dflet | 0:1a07906111ec | 274 | |
dflet | 0:1a07906111ec | 275 | }//namespace mbed_cc3100 |
dflet | 0:1a07906111ec | 276 | |
dflet | 0:1a07906111ec | 277 | |
dflet | 0:1a07906111ec | 278 | |
dflet | 0:1a07906111ec | 279 | |
dflet | 0:1a07906111ec | 280 |