demo code for internal EEPROM memory access
LPC11U24 の内臓EEPROMアクセス
LPC11U24 は EEPROM を 4KB 内蔵している。
うち、ユーザーが使えるのは64バイト目以降。
ROM内の In-Application Programming (IAP) を経由してアクセスできる。
IAP.cpp@0:09bfe87fd66a, 2012-05-11 (annotated)
- Committer:
- okini3939
- Date:
- Fri May 11 00:40:02 2012 +0000
- Revision:
- 0:09bfe87fd66a
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
okini3939 | 0:09bfe87fd66a | 1 | /** IAP : internal Flash memory access library |
okini3939 | 0:09bfe87fd66a | 2 | * |
okini3939 | 0:09bfe87fd66a | 3 | * The internal Flash memory access is described in the LPC1768 usermanual. |
okini3939 | 0:09bfe87fd66a | 4 | * http://www.nxp.com/documents/user_manual/UM10360.pdf |
okini3939 | 0:09bfe87fd66a | 5 | * |
okini3939 | 0:09bfe87fd66a | 6 | * Chapter 2: "LPC17xx Memory map" |
okini3939 | 0:09bfe87fd66a | 7 | * Chapter 32: "LPC17xx Flash memory interface and programming" |
okini3939 | 0:09bfe87fd66a | 8 | * refering Rev. 01 - 4 January 2010 |
okini3939 | 0:09bfe87fd66a | 9 | * |
okini3939 | 0:09bfe87fd66a | 10 | * Released under the MIT License: http://mbed.org/license/mit |
okini3939 | 0:09bfe87fd66a | 11 | * |
okini3939 | 0:09bfe87fd66a | 12 | * revision 1.0 09-Mar-2010 1st release |
okini3939 | 0:09bfe87fd66a | 13 | * revision 1.1 12-Mar-2010 chaged: to make possible to reserve flash area for user |
okini3939 | 0:09bfe87fd66a | 14 | * it can be set by USER_FLASH_AREA_START and USER_FLASH_AREA_SIZE in IAP.h |
okini3939 | 0:09bfe87fd66a | 15 | * |
okini3939 | 0:09bfe87fd66a | 16 | * by Tedd OKANO http://mbed.org/users/okano/notebook/iap-in-application-programming-internal-flash-eras/ |
okini3939 | 0:09bfe87fd66a | 17 | * modified by Suga (supported to LPC11U24) |
okini3939 | 0:09bfe87fd66a | 18 | */ |
okini3939 | 0:09bfe87fd66a | 19 | |
okini3939 | 0:09bfe87fd66a | 20 | #include "mbed.h" |
okini3939 | 0:09bfe87fd66a | 21 | #include "IAP.h" |
okini3939 | 0:09bfe87fd66a | 22 | |
okini3939 | 0:09bfe87fd66a | 23 | #define USER_FLASH_AREA_START_STR( x ) STR( x ) |
okini3939 | 0:09bfe87fd66a | 24 | #define STR( x ) #x |
okini3939 | 0:09bfe87fd66a | 25 | |
okini3939 | 0:09bfe87fd66a | 26 | unsigned char user_area[ USER_FLASH_AREA_SIZE ] __attribute__((section( ".ARM.__at_" USER_FLASH_AREA_START_STR( USER_FLASH_AREA_START ) ), zero_init)); |
okini3939 | 0:09bfe87fd66a | 27 | |
okini3939 | 0:09bfe87fd66a | 28 | |
okini3939 | 0:09bfe87fd66a | 29 | /* |
okini3939 | 0:09bfe87fd66a | 30 | * Reserve of flash area is explained by Igor. Please refer next URL |
okini3939 | 0:09bfe87fd66a | 31 | * http://mbed.org/users/okano/notebook/iap-in-application-programming-internal-flash-eras/?page=1#comment-271 |
okini3939 | 0:09bfe87fd66a | 32 | */ |
okini3939 | 0:09bfe87fd66a | 33 | |
okini3939 | 0:09bfe87fd66a | 34 | //unsigned char user_area[ size ] __attribute__((section(".ARM.__at_0x78000"), zero_init)); |
okini3939 | 0:09bfe87fd66a | 35 | |
okini3939 | 0:09bfe87fd66a | 36 | /* |
okini3939 | 0:09bfe87fd66a | 37 | * IAP command codes |
okini3939 | 0:09bfe87fd66a | 38 | * Table 589. "IAP Command Summary", Chapter 8. "IAP commands", usermanual |
okini3939 | 0:09bfe87fd66a | 39 | */ |
okini3939 | 0:09bfe87fd66a | 40 | |
okini3939 | 0:09bfe87fd66a | 41 | enum command_code |
okini3939 | 0:09bfe87fd66a | 42 | { |
okini3939 | 0:09bfe87fd66a | 43 | IAPCommand_Prepare_sector_for_write_operation = 50, |
okini3939 | 0:09bfe87fd66a | 44 | IAPCommand_Copy_RAM_to_Flash, |
okini3939 | 0:09bfe87fd66a | 45 | IAPCommand_Erase_sector, |
okini3939 | 0:09bfe87fd66a | 46 | IAPCommand_Blank_check_sector, |
okini3939 | 0:09bfe87fd66a | 47 | IAPCommand_Read_part_ID, |
okini3939 | 0:09bfe87fd66a | 48 | IAPCommand_Read_Boot_Code_version, |
okini3939 | 0:09bfe87fd66a | 49 | IAPCommand_Compare, |
okini3939 | 0:09bfe87fd66a | 50 | IAPCommand_Reinvoke_ISP, |
okini3939 | 0:09bfe87fd66a | 51 | IAPCommand_Read_device_serial_number, |
okini3939 | 0:09bfe87fd66a | 52 | IAPCommand_EEPROM_Write = 61, |
okini3939 | 0:09bfe87fd66a | 53 | IAPCommand_EEPROM_Read, |
okini3939 | 0:09bfe87fd66a | 54 | }; |
okini3939 | 0:09bfe87fd66a | 55 | |
okini3939 | 0:09bfe87fd66a | 56 | |
okini3939 | 0:09bfe87fd66a | 57 | /** Read part identification number |
okini3939 | 0:09bfe87fd66a | 58 | * |
okini3939 | 0:09bfe87fd66a | 59 | * @return device ID |
okini3939 | 0:09bfe87fd66a | 60 | * @see read_serial() |
okini3939 | 0:09bfe87fd66a | 61 | */ |
okini3939 | 0:09bfe87fd66a | 62 | |
okini3939 | 0:09bfe87fd66a | 63 | int IAP::read_ID( void ) { |
okini3939 | 0:09bfe87fd66a | 64 | IAP_command[ 0 ] = IAPCommand_Read_part_ID; |
okini3939 | 0:09bfe87fd66a | 65 | |
okini3939 | 0:09bfe87fd66a | 66 | iap_entry( IAP_command, IAP_result ); |
okini3939 | 0:09bfe87fd66a | 67 | |
okini3939 | 0:09bfe87fd66a | 68 | // return ( (int)IAP_result[ 0 ] ); |
okini3939 | 0:09bfe87fd66a | 69 | return ( (int)IAP_result[ 1 ] ); // to return the number itself (this command always returns CMD_SUCCESS) |
okini3939 | 0:09bfe87fd66a | 70 | } |
okini3939 | 0:09bfe87fd66a | 71 | |
okini3939 | 0:09bfe87fd66a | 72 | |
okini3939 | 0:09bfe87fd66a | 73 | /** Read device serial number |
okini3939 | 0:09bfe87fd66a | 74 | * |
okini3939 | 0:09bfe87fd66a | 75 | * @return device serial number |
okini3939 | 0:09bfe87fd66a | 76 | * @see read_ID() |
okini3939 | 0:09bfe87fd66a | 77 | */ |
okini3939 | 0:09bfe87fd66a | 78 | |
okini3939 | 0:09bfe87fd66a | 79 | int IAP::read_serial( void ) { |
okini3939 | 0:09bfe87fd66a | 80 | IAP_command[ 0 ] = IAPCommand_Read_device_serial_number; |
okini3939 | 0:09bfe87fd66a | 81 | |
okini3939 | 0:09bfe87fd66a | 82 | iap_entry( IAP_command, IAP_result ); |
okini3939 | 0:09bfe87fd66a | 83 | |
okini3939 | 0:09bfe87fd66a | 84 | // return ( (int)IAP_result[ 0 ] ); |
okini3939 | 0:09bfe87fd66a | 85 | return ( (int)IAP_result[ 1 ] ); // to return the number itself (this command always returns CMD_SUCCESS) |
okini3939 | 0:09bfe87fd66a | 86 | } |
okini3939 | 0:09bfe87fd66a | 87 | |
okini3939 | 0:09bfe87fd66a | 88 | |
okini3939 | 0:09bfe87fd66a | 89 | /** Blank check sector(s) |
okini3939 | 0:09bfe87fd66a | 90 | * |
okini3939 | 0:09bfe87fd66a | 91 | * @param start a Start Sector Number |
okini3939 | 0:09bfe87fd66a | 92 | * @param end an End Sector Number (should be greater than or equal to start sector number). |
okini3939 | 0:09bfe87fd66a | 93 | * @return error code: CMD_SUCCESS | BUSY | SECTOR_NOT_BLANK | INVALID_SECTOR |
okini3939 | 0:09bfe87fd66a | 94 | */ |
okini3939 | 0:09bfe87fd66a | 95 | |
okini3939 | 0:09bfe87fd66a | 96 | int IAP::blank_check( int start, int end ) { |
okini3939 | 0:09bfe87fd66a | 97 | IAP_command[ 0 ] = IAPCommand_Blank_check_sector; |
okini3939 | 0:09bfe87fd66a | 98 | IAP_command[ 1 ] = (unsigned int)start; // Start Sector Number |
okini3939 | 0:09bfe87fd66a | 99 | IAP_command[ 2 ] = (unsigned int)end; // End Sector Number (should be greater than or equal to start sector number) |
okini3939 | 0:09bfe87fd66a | 100 | |
okini3939 | 0:09bfe87fd66a | 101 | iap_entry( IAP_command, IAP_result ); |
okini3939 | 0:09bfe87fd66a | 102 | |
okini3939 | 0:09bfe87fd66a | 103 | return ( (int)IAP_result[ 0 ] ); |
okini3939 | 0:09bfe87fd66a | 104 | } |
okini3939 | 0:09bfe87fd66a | 105 | |
okini3939 | 0:09bfe87fd66a | 106 | |
okini3939 | 0:09bfe87fd66a | 107 | /** Erase Sector(s) |
okini3939 | 0:09bfe87fd66a | 108 | * |
okini3939 | 0:09bfe87fd66a | 109 | * @param start a Start Sector Number |
okini3939 | 0:09bfe87fd66a | 110 | * @param end an End Sector Number (should be greater than or equal to start sector number). |
okini3939 | 0:09bfe87fd66a | 111 | * @return error code: CMD_SUCCESS | BUSY | SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION | INVALID_SECTOR |
okini3939 | 0:09bfe87fd66a | 112 | */ |
okini3939 | 0:09bfe87fd66a | 113 | |
okini3939 | 0:09bfe87fd66a | 114 | int IAP::erase( int start, int end ) { |
okini3939 | 0:09bfe87fd66a | 115 | IAP_command[ 0 ] = IAPCommand_Erase_sector; |
okini3939 | 0:09bfe87fd66a | 116 | IAP_command[ 1 ] = (unsigned int)start; // Start Sector Number |
okini3939 | 0:09bfe87fd66a | 117 | IAP_command[ 2 ] = (unsigned int)end; // End Sector Number (should be greater than or equal to start sector number) |
okini3939 | 0:09bfe87fd66a | 118 | IAP_command[ 3 ] = cclk_kHz; // CPU Clock Frequency (CCLK) in kHz |
okini3939 | 0:09bfe87fd66a | 119 | |
okini3939 | 0:09bfe87fd66a | 120 | iap_entry( IAP_command, IAP_result ); |
okini3939 | 0:09bfe87fd66a | 121 | |
okini3939 | 0:09bfe87fd66a | 122 | return ( (int)IAP_result[ 0 ] ); |
okini3939 | 0:09bfe87fd66a | 123 | } |
okini3939 | 0:09bfe87fd66a | 124 | |
okini3939 | 0:09bfe87fd66a | 125 | |
okini3939 | 0:09bfe87fd66a | 126 | /** Prepare sector(s) for write operation |
okini3939 | 0:09bfe87fd66a | 127 | * |
okini3939 | 0:09bfe87fd66a | 128 | * @param start a Start Sector Number |
okini3939 | 0:09bfe87fd66a | 129 | * @param end an End Sector Number (should be greater than or equal to start sector number). |
okini3939 | 0:09bfe87fd66a | 130 | * @return error code: CMD_SUCCESS | BUSY | INVALID_SECTOR |
okini3939 | 0:09bfe87fd66a | 131 | */ |
okini3939 | 0:09bfe87fd66a | 132 | |
okini3939 | 0:09bfe87fd66a | 133 | int IAP::prepare( int start, int end ) { |
okini3939 | 0:09bfe87fd66a | 134 | IAP_command[ 0 ] = IAPCommand_Prepare_sector_for_write_operation; |
okini3939 | 0:09bfe87fd66a | 135 | IAP_command[ 1 ] = (unsigned int)start; // Start Sector Number |
okini3939 | 0:09bfe87fd66a | 136 | IAP_command[ 2 ] = (unsigned int)end; // End Sector Number (should be greater than or equal to start sector number). |
okini3939 | 0:09bfe87fd66a | 137 | |
okini3939 | 0:09bfe87fd66a | 138 | iap_entry( IAP_command, IAP_result ); |
okini3939 | 0:09bfe87fd66a | 139 | |
okini3939 | 0:09bfe87fd66a | 140 | return ( (int)IAP_result[ 0 ] ); |
okini3939 | 0:09bfe87fd66a | 141 | } |
okini3939 | 0:09bfe87fd66a | 142 | |
okini3939 | 0:09bfe87fd66a | 143 | |
okini3939 | 0:09bfe87fd66a | 144 | /** Copy RAM to Flash |
okini3939 | 0:09bfe87fd66a | 145 | * |
okini3939 | 0:09bfe87fd66a | 146 | * @param source_addr Source RAM address from which data bytes are to be read. This address should be a word boundary. |
okini3939 | 0:09bfe87fd66a | 147 | * @param target_addr Destination flash address where data bytes are to be written. This address should be a 256 byte boundary. |
okini3939 | 0:09bfe87fd66a | 148 | * @param size Number of bytes to be written. Should be 256 | 512 | 1024 | 4096. |
okini3939 | 0:09bfe87fd66a | 149 | * @return error code: CMD_SUCCESS | SRC_ADDR_ERROR (Address not a word boundary) | DST_ADDR_ERROR (Address not on correct boundary) | SRC_ADDR_NOT_MAPPED | DST_ADDR_NOT_MAPPED | COUNT_ERROR (Byte count is not 256 | 512 | 1024 | 4096) | SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION | BUSY |
okini3939 | 0:09bfe87fd66a | 150 | */ |
okini3939 | 0:09bfe87fd66a | 151 | |
okini3939 | 0:09bfe87fd66a | 152 | int IAP::write( char *source_addr, char *target_addr, int size ) { |
okini3939 | 0:09bfe87fd66a | 153 | IAP_command[ 0 ] = IAPCommand_Copy_RAM_to_Flash; |
okini3939 | 0:09bfe87fd66a | 154 | IAP_command[ 1 ] = (unsigned int)target_addr; // Destination flash address where data bytes are to be written. This address should be a 256 byte boundary. |
okini3939 | 0:09bfe87fd66a | 155 | IAP_command[ 2 ] = (unsigned int)source_addr; // Source RAM address from which data bytes are to be read. This address should be a word boundary. |
okini3939 | 0:09bfe87fd66a | 156 | IAP_command[ 3 ] = size; // Number of bytes to be written. Should be 256 | 512 | 1024 | 4096. |
okini3939 | 0:09bfe87fd66a | 157 | IAP_command[ 4 ] = cclk_kHz; // CPU Clock Frequency (CCLK) in kHz. |
okini3939 | 0:09bfe87fd66a | 158 | |
okini3939 | 0:09bfe87fd66a | 159 | iap_entry( IAP_command, IAP_result ); |
okini3939 | 0:09bfe87fd66a | 160 | |
okini3939 | 0:09bfe87fd66a | 161 | return ( (int)IAP_result[ 0 ] ); |
okini3939 | 0:09bfe87fd66a | 162 | } |
okini3939 | 0:09bfe87fd66a | 163 | |
okini3939 | 0:09bfe87fd66a | 164 | |
okini3939 | 0:09bfe87fd66a | 165 | /** Compare <address1> <address2> <no of bytes> |
okini3939 | 0:09bfe87fd66a | 166 | * |
okini3939 | 0:09bfe87fd66a | 167 | * @param source_addr Starting flash or RAM address of data bytes to be compared. This address should be a word boundary. |
okini3939 | 0:09bfe87fd66a | 168 | * @param target_addr Starting flash or RAM address of data bytes to be compared. This address should be a word boundary. |
okini3939 | 0:09bfe87fd66a | 169 | * @param size Number of bytes to be compared; should be a multiple of 4. |
okini3939 | 0:09bfe87fd66a | 170 | * @return error code: CMD_SUCCESS | COMPARE_ERROR | COUNT_ERROR (Byte count is not a multiple of 4) | ADDR_ERROR | ADDR_NOT_MAPPED |
okini3939 | 0:09bfe87fd66a | 171 | */ |
okini3939 | 0:09bfe87fd66a | 172 | |
okini3939 | 0:09bfe87fd66a | 173 | int IAP::compare( char *source_addr, char *target_addr, int size ) { |
okini3939 | 0:09bfe87fd66a | 174 | IAP_command[ 0 ] = IAPCommand_Compare; |
okini3939 | 0:09bfe87fd66a | 175 | IAP_command[ 1 ] = (unsigned int)target_addr; // Starting flash or RAM address of data bytes to be compared. This address should be a word boundary. |
okini3939 | 0:09bfe87fd66a | 176 | IAP_command[ 2 ] = (unsigned int)source_addr; // Starting flash or RAM address of data bytes to be compared. This address should be a word boundary. |
okini3939 | 0:09bfe87fd66a | 177 | IAP_command[ 3 ] = size; // Number of bytes to be compared; should be a multiple of 4. |
okini3939 | 0:09bfe87fd66a | 178 | |
okini3939 | 0:09bfe87fd66a | 179 | iap_entry( IAP_command, IAP_result ); |
okini3939 | 0:09bfe87fd66a | 180 | |
okini3939 | 0:09bfe87fd66a | 181 | return ( (int)IAP_result[ 0 ] ); |
okini3939 | 0:09bfe87fd66a | 182 | } |
okini3939 | 0:09bfe87fd66a | 183 | |
okini3939 | 0:09bfe87fd66a | 184 | |
okini3939 | 0:09bfe87fd66a | 185 | /** Get user reserved flash start address |
okini3939 | 0:09bfe87fd66a | 186 | * |
okini3939 | 0:09bfe87fd66a | 187 | * @return start address of user reserved flash memory |
okini3939 | 0:09bfe87fd66a | 188 | * @see reserved_flash_area_size() |
okini3939 | 0:09bfe87fd66a | 189 | */ |
okini3939 | 0:09bfe87fd66a | 190 | |
okini3939 | 0:09bfe87fd66a | 191 | char * IAP::reserved_flash_area_start( void ) |
okini3939 | 0:09bfe87fd66a | 192 | { |
okini3939 | 0:09bfe87fd66a | 193 | return ( (char *)USER_FLASH_AREA_START ); |
okini3939 | 0:09bfe87fd66a | 194 | } |
okini3939 | 0:09bfe87fd66a | 195 | |
okini3939 | 0:09bfe87fd66a | 196 | |
okini3939 | 0:09bfe87fd66a | 197 | /** Get user reserved flash size |
okini3939 | 0:09bfe87fd66a | 198 | * |
okini3939 | 0:09bfe87fd66a | 199 | * @return size of user reserved flash memory |
okini3939 | 0:09bfe87fd66a | 200 | * @see reserved_flash_area_start() |
okini3939 | 0:09bfe87fd66a | 201 | */ |
okini3939 | 0:09bfe87fd66a | 202 | |
okini3939 | 0:09bfe87fd66a | 203 | int IAP::reserved_flash_area_size( void ) |
okini3939 | 0:09bfe87fd66a | 204 | { |
okini3939 | 0:09bfe87fd66a | 205 | return ( USER_FLASH_AREA_SIZE ); |
okini3939 | 0:09bfe87fd66a | 206 | } |
okini3939 | 0:09bfe87fd66a | 207 | |
okini3939 | 0:09bfe87fd66a | 208 | #if defined(TARGET_LPC11U24) |
okini3939 | 0:09bfe87fd66a | 209 | /** Copy RAM to EEPROM (LPC11U24) |
okini3939 | 0:09bfe87fd66a | 210 | * |
okini3939 | 0:09bfe87fd66a | 211 | * @param source_addr Source RAM address from which data bytes are to be read. |
okini3939 | 0:09bfe87fd66a | 212 | * @param target_addr Destination EEPROM address where data bytes are to be written. |
okini3939 | 0:09bfe87fd66a | 213 | * @param size Number of bytes to be written. |
okini3939 | 0:09bfe87fd66a | 214 | * @return error code: CMD_SUCCESS | SRC_ADDR_NOT_MAPPED | DST_ADDR_NOT_MAPPED |
okini3939 | 0:09bfe87fd66a | 215 | * Remark: The top 64 bytes of the EEPROM memory are reserved and cannot be written to. |
okini3939 | 0:09bfe87fd66a | 216 | */ |
okini3939 | 0:09bfe87fd66a | 217 | int IAP::write_eeprom( char *source_addr, char *target_addr, int size ) { |
okini3939 | 0:09bfe87fd66a | 218 | IAP_command[ 0 ] = IAPCommand_EEPROM_Write; |
okini3939 | 0:09bfe87fd66a | 219 | IAP_command[ 1 ] = (unsigned int)target_addr; // Destination EEPROM address where data bytes are to be written. This address should be a 256 byte boundary. |
okini3939 | 0:09bfe87fd66a | 220 | IAP_command[ 2 ] = (unsigned int)source_addr; // Source RAM address from which data bytes are to be read. This address should be a word boundary. |
okini3939 | 0:09bfe87fd66a | 221 | IAP_command[ 3 ] = size; // Number of bytes to be written. Should be 256 | 512 | 1024 | 4096. |
okini3939 | 0:09bfe87fd66a | 222 | IAP_command[ 4 ] = cclk_kHz; // CPU Clock Frequency (CCLK) in kHz. |
okini3939 | 0:09bfe87fd66a | 223 | |
okini3939 | 0:09bfe87fd66a | 224 | iap_entry( IAP_command, IAP_result ); |
okini3939 | 0:09bfe87fd66a | 225 | |
okini3939 | 0:09bfe87fd66a | 226 | return ( (int)IAP_result[ 0 ] ); |
okini3939 | 0:09bfe87fd66a | 227 | } |
okini3939 | 0:09bfe87fd66a | 228 | |
okini3939 | 0:09bfe87fd66a | 229 | /** Copy EEPROM to RAM (LPC11U24) |
okini3939 | 0:09bfe87fd66a | 230 | * |
okini3939 | 0:09bfe87fd66a | 231 | * @param source_addr Source EEPROM address from which data bytes are to be read. |
okini3939 | 0:09bfe87fd66a | 232 | * @param target_addr Destination RAM address where data bytes are to be written. |
okini3939 | 0:09bfe87fd66a | 233 | * @param size Number of bytes to be written. |
okini3939 | 0:09bfe87fd66a | 234 | * @return error code: CMD_SUCCESS | SRC_ADDR_NOT_MAPPED | DST_ADDR_NOT_MAPPED |
okini3939 | 0:09bfe87fd66a | 235 | * Remark: The top 64 bytes of the EEPROM memory are reserved and cannot be written to. |
okini3939 | 0:09bfe87fd66a | 236 | */ |
okini3939 | 0:09bfe87fd66a | 237 | int IAP::read_eeprom( char *source_addr, char *target_addr, int size ) { |
okini3939 | 0:09bfe87fd66a | 238 | IAP_command[ 0 ] = IAPCommand_EEPROM_Read; |
okini3939 | 0:09bfe87fd66a | 239 | IAP_command[ 1 ] = (unsigned int)source_addr; // Source EEPROM address from which data bytes are to be read. This address should be a word boundary. |
okini3939 | 0:09bfe87fd66a | 240 | IAP_command[ 2 ] = (unsigned int)target_addr; // Destination RAM address where data bytes are to be written. This address should be a 256 byte boundary. |
okini3939 | 0:09bfe87fd66a | 241 | IAP_command[ 3 ] = size; // Number of bytes to be written. Should be 256 | 512 | 1024 | 4096. |
okini3939 | 0:09bfe87fd66a | 242 | IAP_command[ 4 ] = cclk_kHz; // CPU Clock Frequency (CCLK) in kHz. |
okini3939 | 0:09bfe87fd66a | 243 | |
okini3939 | 0:09bfe87fd66a | 244 | iap_entry( IAP_command, IAP_result ); |
okini3939 | 0:09bfe87fd66a | 245 | |
okini3939 | 0:09bfe87fd66a | 246 | return ( (int)IAP_result[ 0 ] ); |
okini3939 | 0:09bfe87fd66a | 247 | } |
okini3939 | 0:09bfe87fd66a | 248 | #endif |