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A fork of mAVRISP by Aaron Berk. This version does not use a local file system to hold the AVR program. Instead it uses a serial connection to a PC and a python script to send the AVR program to the mbed.
Fork of mAVRISP by
AVR910.cpp@3:df6782d01720, 2015-01-31 (annotated)
- Committer:
- jeroenmbed
- Date:
- Sat Jan 31 21:54:05 2015 +0000
- Revision:
- 3:df6782d01720
- Parent:
- 2:99c56829a2a8
IT WORKS!!! I can now program an atmega328 with ISP via the mbed. No bootloader.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
aberk | 0:3066745764a5 | 1 | /** |
aberk | 0:3066745764a5 | 2 | * @author Aaron Berk |
aberk | 0:3066745764a5 | 3 | * |
aberk | 0:3066745764a5 | 4 | * @section LICENSE |
aberk | 0:3066745764a5 | 5 | * |
aberk | 0:3066745764a5 | 6 | * Copyright (c) 2010 Aaron Berk |
aberk | 0:3066745764a5 | 7 | * |
aberk | 0:3066745764a5 | 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
aberk | 0:3066745764a5 | 9 | * of this software and associated documentation files (the "Software"), to deal |
aberk | 0:3066745764a5 | 10 | * in the Software without restriction, including without limitation the rights |
aberk | 0:3066745764a5 | 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
aberk | 0:3066745764a5 | 12 | * copies of the Software, and to permit persons to whom the Software is |
aberk | 0:3066745764a5 | 13 | * furnished to do so, subject to the following conditions: |
aberk | 0:3066745764a5 | 14 | * |
aberk | 0:3066745764a5 | 15 | * The above copyright notice and this permission notice shall be included in |
aberk | 0:3066745764a5 | 16 | * all copies or substantial portions of the Software. |
aberk | 0:3066745764a5 | 17 | * |
aberk | 0:3066745764a5 | 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
aberk | 0:3066745764a5 | 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
aberk | 0:3066745764a5 | 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
aberk | 0:3066745764a5 | 21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
aberk | 0:3066745764a5 | 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
aberk | 0:3066745764a5 | 23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
aberk | 0:3066745764a5 | 24 | * THE SOFTWARE. |
aberk | 0:3066745764a5 | 25 | * |
aberk | 0:3066745764a5 | 26 | * @section DESCRIPTION |
aberk | 0:3066745764a5 | 27 | * |
aberk | 0:3066745764a5 | 28 | * Program AVR chips with the AVR910 ISP (in-system programming) protocol, |
aberk | 0:3066745764a5 | 29 | * using an mbed. |
aberk | 0:3066745764a5 | 30 | * |
aberk | 0:3066745764a5 | 31 | * AVR910 Application Note: |
aberk | 0:3066745764a5 | 32 | * |
aberk | 0:3066745764a5 | 33 | * http://www.atmel.com/dyn/resources/prod_documents/doc0943.pdf |
aberk | 0:3066745764a5 | 34 | */ |
aberk | 0:3066745764a5 | 35 | |
aberk | 0:3066745764a5 | 36 | /** |
aberk | 0:3066745764a5 | 37 | * Includes |
aberk | 0:3066745764a5 | 38 | */ |
aberk | 0:3066745764a5 | 39 | #include "AVR910.h" |
aberk | 0:3066745764a5 | 40 | |
aberk | 0:3066745764a5 | 41 | Serial debug(USBTX, USBRX); |
aberk | 0:3066745764a5 | 42 | |
aberk | 0:3066745764a5 | 43 | AVR910::AVR910(PinName mosi, |
aberk | 0:3066745764a5 | 44 | PinName miso, |
aberk | 0:3066745764a5 | 45 | PinName sclk, |
jeroenmbed | 3:df6782d01720 | 46 | PinName nReset) : spi_(mosi, miso, sclk), nReset_(nReset) |
jeroenmbed | 3:df6782d01720 | 47 | { |
aberk | 0:3066745764a5 | 48 | |
aberk | 0:3066745764a5 | 49 | //Slow frequency as default to ensure no errors from |
aberk | 0:3066745764a5 | 50 | //trying to run it too fast. Increase as appropriate. |
jeroenmbed | 3:df6782d01720 | 51 | spi_.frequency(5000); |
aberk | 0:3066745764a5 | 52 | spi_.format(8, 0); |
aberk | 0:3066745764a5 | 53 | |
aberk | 0:3066745764a5 | 54 | int response = 0; |
aberk | 0:3066745764a5 | 55 | |
aberk | 0:3066745764a5 | 56 | //Enter serial programming mode by pulling reset line low. |
aberk | 0:3066745764a5 | 57 | nReset_ = 0; |
aberk | 0:3066745764a5 | 58 | |
aberk | 0:3066745764a5 | 59 | //Wait 20ms before issuing first command. |
aberk | 0:3066745764a5 | 60 | wait_ms(20); |
aberk | 0:3066745764a5 | 61 | |
aberk | 0:3066745764a5 | 62 | //Issue a programming enable command. |
aberk | 0:3066745764a5 | 63 | response = enableProgramming(); |
jeroenmbed | 3:df6782d01720 | 64 | //printf("R=%d\n\r",response); |
aberk | 1:276f6df4be7a | 65 | |
aberk | 0:3066745764a5 | 66 | //Simple debugging to see if we get trapped |
aberk | 0:3066745764a5 | 67 | //in an infinite loop. |
aberk | 0:3066745764a5 | 68 | |
aberk | 0:3066745764a5 | 69 | //TODO: introduce a timeout. |
aberk | 0:3066745764a5 | 70 | while (response < 0) { |
aberk | 0:3066745764a5 | 71 | |
aberk | 0:3066745764a5 | 72 | //Give nReset a positive pulse. |
aberk | 0:3066745764a5 | 73 | nReset_ = 1; |
aberk | 0:3066745764a5 | 74 | wait_ms(20); |
aberk | 0:3066745764a5 | 75 | nReset_ = 0; |
aberk | 0:3066745764a5 | 76 | wait_ms(20); |
aberk | 0:3066745764a5 | 77 | |
aberk | 0:3066745764a5 | 78 | //Issue another programming enable. |
aberk | 0:3066745764a5 | 79 | response = enableProgramming(); |
jeroenmbed | 3:df6782d01720 | 80 | // printf("R=%d\n\r",response); |
aberk | 0:3066745764a5 | 81 | |
aberk | 0:3066745764a5 | 82 | } |
aberk | 1:276f6df4be7a | 83 | |
aberk | 0:3066745764a5 | 84 | |
aberk | 0:3066745764a5 | 85 | } |
aberk | 0:3066745764a5 | 86 | |
jeroenmbed | 3:df6782d01720 | 87 | int AVR910::program(FILE* binary, int pageSize, int numPages) |
jeroenmbed | 3:df6782d01720 | 88 | { |
aberk | 0:3066745764a5 | 89 | |
aberk | 0:3066745764a5 | 90 | //Clear memory contents. |
aberk | 0:3066745764a5 | 91 | chipErase(); |
aberk | 0:3066745764a5 | 92 | |
aberk | 0:3066745764a5 | 93 | char pageOffset = 0; |
aberk | 0:3066745764a5 | 94 | int pageNumber = 0; |
aberk | 2:99c56829a2a8 | 95 | int address = 0; |
aberk | 0:3066745764a5 | 96 | int c = 0; |
aberk | 0:3066745764a5 | 97 | int highLow = 0; |
aberk | 1:276f6df4be7a | 98 | |
aberk | 1:276f6df4be7a | 99 | //We're dealing with paged memory. |
aberk | 1:276f6df4be7a | 100 | if (numPages > 1) { |
aberk | 1:276f6df4be7a | 101 | |
aberk | 1:276f6df4be7a | 102 | while ((c = getc(binary)) != EOF) { |
aberk | 1:276f6df4be7a | 103 | |
aberk | 1:276f6df4be7a | 104 | //Page is fully loaded, time to write it to flash. |
aberk | 1:276f6df4be7a | 105 | if (pageOffset == (pageSize)) { |
aberk | 1:276f6df4be7a | 106 | writeFlashMemoryPage(pageNumber); |
aberk | 0:3066745764a5 | 107 | |
aberk | 1:276f6df4be7a | 108 | pageNumber++; |
aberk | 1:276f6df4be7a | 109 | if (pageNumber > numPages) { |
aberk | 1:276f6df4be7a | 110 | break; |
aberk | 1:276f6df4be7a | 111 | } |
aberk | 1:276f6df4be7a | 112 | pageOffset = 0; |
aberk | 1:276f6df4be7a | 113 | } |
aberk | 0:3066745764a5 | 114 | |
aberk | 1:276f6df4be7a | 115 | //Write low byte. |
aberk | 1:276f6df4be7a | 116 | if (highLow == 0) { |
aberk | 1:276f6df4be7a | 117 | loadMemoryPage(WRITE_LOW_BYTE, pageOffset, c); |
aberk | 1:276f6df4be7a | 118 | highLow = 1; |
aberk | 1:276f6df4be7a | 119 | } |
aberk | 1:276f6df4be7a | 120 | //Write high byte. |
aberk | 1:276f6df4be7a | 121 | else { |
aberk | 1:276f6df4be7a | 122 | loadMemoryPage(WRITE_HIGH_BYTE, pageOffset, c); |
aberk | 1:276f6df4be7a | 123 | highLow = 0; |
aberk | 1:276f6df4be7a | 124 | pageOffset++; |
aberk | 1:276f6df4be7a | 125 | } |
aberk | 1:276f6df4be7a | 126 | |
aberk | 0:3066745764a5 | 127 | } |
aberk | 0:3066745764a5 | 128 | |
aberk | 1:276f6df4be7a | 129 | } |
aberk | 1:276f6df4be7a | 130 | //We're dealing with non-paged memory. |
aberk | 1:276f6df4be7a | 131 | else { |
aberk | 1:276f6df4be7a | 132 | |
aberk | 1:276f6df4be7a | 133 | while ((c = getc(binary)) != EOF) { |
aberk | 1:276f6df4be7a | 134 | |
aberk | 1:276f6df4be7a | 135 | //Write low byte. |
aberk | 1:276f6df4be7a | 136 | if (highLow == 0) { |
aberk | 2:99c56829a2a8 | 137 | writeFlashMemoryByte(WRITE_LOW_FLASH_BYTE, address, c); |
aberk | 1:276f6df4be7a | 138 | highLow = 1; |
aberk | 1:276f6df4be7a | 139 | } |
aberk | 1:276f6df4be7a | 140 | //Write high byte. |
aberk | 1:276f6df4be7a | 141 | else { |
aberk | 2:99c56829a2a8 | 142 | writeFlashMemoryByte(WRITE_HIGH_FLASH_BYTE, address, c); |
aberk | 1:276f6df4be7a | 143 | highLow = 0; |
aberk | 2:99c56829a2a8 | 144 | address++; |
aberk | 1:276f6df4be7a | 145 | |
aberk | 2:99c56829a2a8 | 146 | //Page size is our memory size in the non-paged memory case. |
aberk | 2:99c56829a2a8 | 147 | //Therefore if we've gone beyond our size break because we |
aberk | 2:99c56829a2a8 | 148 | //don't have any more room. |
aberk | 2:99c56829a2a8 | 149 | if (address > pageSize) { |
aberk | 1:276f6df4be7a | 150 | break; |
aberk | 1:276f6df4be7a | 151 | } |
aberk | 1:276f6df4be7a | 152 | |
aberk | 1:276f6df4be7a | 153 | } |
aberk | 1:276f6df4be7a | 154 | |
aberk | 0:3066745764a5 | 155 | } |
aberk | 0:3066745764a5 | 156 | |
aberk | 0:3066745764a5 | 157 | } |
aberk | 0:3066745764a5 | 158 | |
aberk | 0:3066745764a5 | 159 | //We might have partially filled up a page. |
aberk | 0:3066745764a5 | 160 | writeFlashMemoryPage(pageNumber); |
aberk | 0:3066745764a5 | 161 | |
aberk | 0:3066745764a5 | 162 | int success = -1; |
aberk | 0:3066745764a5 | 163 | success = checkMemory(pageNumber, binary); |
aberk | 0:3066745764a5 | 164 | |
aberk | 0:3066745764a5 | 165 | //Leave serial programming mode by pulling reset line high. |
aberk | 0:3066745764a5 | 166 | nReset_ = 1; |
aberk | 0:3066745764a5 | 167 | |
aberk | 0:3066745764a5 | 168 | return success; |
aberk | 0:3066745764a5 | 169 | |
aberk | 0:3066745764a5 | 170 | } |
aberk | 0:3066745764a5 | 171 | |
jeroenmbed | 3:df6782d01720 | 172 | int AVR910::programData(char* myData, int fileSize, int pageSize, int numPages) |
jeroenmbed | 3:df6782d01720 | 173 | { |
jeroenmbed | 3:df6782d01720 | 174 | |
jeroenmbed | 3:df6782d01720 | 175 | //Clear memory contents. |
jeroenmbed | 3:df6782d01720 | 176 | chipErase(); |
jeroenmbed | 3:df6782d01720 | 177 | |
jeroenmbed | 3:df6782d01720 | 178 | char pageOffset = 0; |
jeroenmbed | 3:df6782d01720 | 179 | int pageNumber = 0; |
jeroenmbed | 3:df6782d01720 | 180 | int address = 0; |
jeroenmbed | 3:df6782d01720 | 181 | int c = 0; |
jeroenmbed | 3:df6782d01720 | 182 | int highLow = 0; |
jeroenmbed | 3:df6782d01720 | 183 | |
jeroenmbed | 3:df6782d01720 | 184 | //We're dealing with paged memory. |
jeroenmbed | 3:df6782d01720 | 185 | // if (numPages > 1) { |
jeroenmbed | 3:df6782d01720 | 186 | |
jeroenmbed | 3:df6782d01720 | 187 | //while ((c = getc(binary)) != EOF) { |
jeroenmbed | 3:df6782d01720 | 188 | for (int i=0; i<fileSize; i++) { |
jeroenmbed | 3:df6782d01720 | 189 | c = myData[i]; |
jeroenmbed | 3:df6782d01720 | 190 | printf("p %d: 0x%02x\n",i, myData[i]); |
jeroenmbed | 3:df6782d01720 | 191 | //Page is fully loaded, time to write it to flash. |
jeroenmbed | 3:df6782d01720 | 192 | if (pageOffset == (pageSize)) { |
jeroenmbed | 3:df6782d01720 | 193 | writeFlashMemoryPage(pageNumber); |
jeroenmbed | 3:df6782d01720 | 194 | |
jeroenmbed | 3:df6782d01720 | 195 | pageNumber++; |
jeroenmbed | 3:df6782d01720 | 196 | if (pageNumber > numPages) { |
jeroenmbed | 3:df6782d01720 | 197 | break; |
jeroenmbed | 3:df6782d01720 | 198 | } |
jeroenmbed | 3:df6782d01720 | 199 | pageOffset = 0; |
jeroenmbed | 3:df6782d01720 | 200 | } |
jeroenmbed | 3:df6782d01720 | 201 | |
jeroenmbed | 3:df6782d01720 | 202 | //Write low byte. |
jeroenmbed | 3:df6782d01720 | 203 | if (highLow == 0) { |
jeroenmbed | 3:df6782d01720 | 204 | loadMemoryPage(WRITE_LOW_BYTE, pageOffset, c); |
jeroenmbed | 3:df6782d01720 | 205 | highLow = 1; |
jeroenmbed | 3:df6782d01720 | 206 | } |
jeroenmbed | 3:df6782d01720 | 207 | //Write high byte. |
jeroenmbed | 3:df6782d01720 | 208 | else { |
jeroenmbed | 3:df6782d01720 | 209 | loadMemoryPage(WRITE_HIGH_BYTE, pageOffset, c); |
jeroenmbed | 3:df6782d01720 | 210 | highLow = 0; |
jeroenmbed | 3:df6782d01720 | 211 | pageOffset++; |
jeroenmbed | 3:df6782d01720 | 212 | } |
jeroenmbed | 3:df6782d01720 | 213 | |
jeroenmbed | 3:df6782d01720 | 214 | } |
jeroenmbed | 3:df6782d01720 | 215 | |
jeroenmbed | 3:df6782d01720 | 216 | // } |
jeroenmbed | 3:df6782d01720 | 217 | //We're dealing with non-paged memory. |
jeroenmbed | 3:df6782d01720 | 218 | // else { |
jeroenmbed | 3:df6782d01720 | 219 | // |
jeroenmbed | 3:df6782d01720 | 220 | // while ((c = getc(binary)) != EOF) { |
jeroenmbed | 3:df6782d01720 | 221 | // |
jeroenmbed | 3:df6782d01720 | 222 | // //Write low byte. |
jeroenmbed | 3:df6782d01720 | 223 | // if (highLow == 0) { |
jeroenmbed | 3:df6782d01720 | 224 | // writeFlashMemoryByte(WRITE_LOW_FLASH_BYTE, address, c); |
jeroenmbed | 3:df6782d01720 | 225 | // highLow = 1; |
jeroenmbed | 3:df6782d01720 | 226 | // } |
jeroenmbed | 3:df6782d01720 | 227 | // //Write high byte. |
jeroenmbed | 3:df6782d01720 | 228 | // else { |
jeroenmbed | 3:df6782d01720 | 229 | // writeFlashMemoryByte(WRITE_HIGH_FLASH_BYTE, address, c); |
jeroenmbed | 3:df6782d01720 | 230 | // highLow = 0; |
jeroenmbed | 3:df6782d01720 | 231 | // address++; |
jeroenmbed | 3:df6782d01720 | 232 | // |
jeroenmbed | 3:df6782d01720 | 233 | // //Page size is our memory size in the non-paged memory case. |
jeroenmbed | 3:df6782d01720 | 234 | // //Therefore if we've gone beyond our size break because we |
jeroenmbed | 3:df6782d01720 | 235 | // //don't have any more room. |
jeroenmbed | 3:df6782d01720 | 236 | // if (address > pageSize) { |
jeroenmbed | 3:df6782d01720 | 237 | // break; |
jeroenmbed | 3:df6782d01720 | 238 | // } |
jeroenmbed | 3:df6782d01720 | 239 | // |
jeroenmbed | 3:df6782d01720 | 240 | // } |
jeroenmbed | 3:df6782d01720 | 241 | // |
jeroenmbed | 3:df6782d01720 | 242 | // } |
jeroenmbed | 3:df6782d01720 | 243 | |
jeroenmbed | 3:df6782d01720 | 244 | // } |
jeroenmbed | 3:df6782d01720 | 245 | |
jeroenmbed | 3:df6782d01720 | 246 | //We might have partially filled up a page. |
jeroenmbed | 3:df6782d01720 | 247 | writeFlashMemoryPage(pageNumber); |
jeroenmbed | 3:df6782d01720 | 248 | |
jeroenmbed | 3:df6782d01720 | 249 | int success = -1; |
jeroenmbed | 3:df6782d01720 | 250 | //success = checkMemory(pageNumber, binary); |
jeroenmbed | 3:df6782d01720 | 251 | printf("Going to check memory\n"); |
jeroenmbed | 3:df6782d01720 | 252 | success = checkMemoryData(pageNumber, myData, fileSize); |
jeroenmbed | 3:df6782d01720 | 253 | |
jeroenmbed | 3:df6782d01720 | 254 | //Leave serial programming mode by pulling reset line high. |
jeroenmbed | 3:df6782d01720 | 255 | nReset_ = 1; |
jeroenmbed | 3:df6782d01720 | 256 | |
jeroenmbed | 3:df6782d01720 | 257 | return success; |
jeroenmbed | 3:df6782d01720 | 258 | |
jeroenmbed | 3:df6782d01720 | 259 | } |
jeroenmbed | 3:df6782d01720 | 260 | void AVR910::setFrequency(int frequency) |
jeroenmbed | 3:df6782d01720 | 261 | { |
aberk | 0:3066745764a5 | 262 | |
aberk | 0:3066745764a5 | 263 | spi_.frequency(frequency); |
aberk | 0:3066745764a5 | 264 | |
aberk | 0:3066745764a5 | 265 | } |
aberk | 0:3066745764a5 | 266 | |
jeroenmbed | 3:df6782d01720 | 267 | int AVR910::enableProgramming(void) |
jeroenmbed | 3:df6782d01720 | 268 | { |
aberk | 0:3066745764a5 | 269 | |
aberk | 0:3066745764a5 | 270 | int response = 0; |
aberk | 0:3066745764a5 | 271 | int error = 0; |
aberk | 0:3066745764a5 | 272 | |
jeroenmbed | 3:df6782d01720 | 273 | |
aberk | 0:3066745764a5 | 274 | //Programming Enable Command: 0xAC, 0x53, 0x00, 0x00 |
aberk | 0:3066745764a5 | 275 | //Byte two echo'd back in byte three. |
jeroenmbed | 3:df6782d01720 | 276 | response = spi_.write(0xAC); |
jeroenmbed | 3:df6782d01720 | 277 | //printf("enableProgramming resp (should be ??) = %x\n\r",response); |
aberk | 0:3066745764a5 | 278 | |
jeroenmbed | 3:df6782d01720 | 279 | response = spi_.write(0x53); |
jeroenmbed | 3:df6782d01720 | 280 | //printf("enableProgramming resp (should be 0xAC) = %x\n\r",response); |
aberk | 0:3066745764a5 | 281 | |
aberk | 0:3066745764a5 | 282 | response = spi_.write(0x00); |
jeroenmbed | 3:df6782d01720 | 283 | //printf("enableProgramming resp (should be 0x53) = %x\n\r",response); |
aberk | 0:3066745764a5 | 284 | |
aberk | 0:3066745764a5 | 285 | if (response == 0x53) { |
aberk | 0:3066745764a5 | 286 | error = 0; |
aberk | 0:3066745764a5 | 287 | } else { |
aberk | 0:3066745764a5 | 288 | error = -1; |
aberk | 0:3066745764a5 | 289 | } |
aberk | 0:3066745764a5 | 290 | |
jeroenmbed | 3:df6782d01720 | 291 | response = spi_.write(0x00); |
jeroenmbed | 3:df6782d01720 | 292 | //printf("enableProgramming resp (should be 0x00) = %x\n\r",response); |
aberk | 0:3066745764a5 | 293 | |
aberk | 0:3066745764a5 | 294 | return error; |
aberk | 0:3066745764a5 | 295 | |
aberk | 0:3066745764a5 | 296 | } |
aberk | 0:3066745764a5 | 297 | |
jeroenmbed | 3:df6782d01720 | 298 | void AVR910::poll(void) |
jeroenmbed | 3:df6782d01720 | 299 | { |
aberk | 0:3066745764a5 | 300 | |
aberk | 0:3066745764a5 | 301 | int response = 0; |
aberk | 0:3066745764a5 | 302 | |
aberk | 0:3066745764a5 | 303 | do { |
aberk | 0:3066745764a5 | 304 | spi_.write(0xF0); |
aberk | 0:3066745764a5 | 305 | spi_.write(0x00); |
aberk | 0:3066745764a5 | 306 | spi_.write(0x00); |
aberk | 0:3066745764a5 | 307 | response = spi_.write(0x00); |
aberk | 0:3066745764a5 | 308 | } while ((response & 0x01) != 0); |
aberk | 0:3066745764a5 | 309 | |
aberk | 0:3066745764a5 | 310 | } |
aberk | 0:3066745764a5 | 311 | |
jeroenmbed | 3:df6782d01720 | 312 | int AVR910::readVendorCode(void) |
jeroenmbed | 3:df6782d01720 | 313 | { |
aberk | 0:3066745764a5 | 314 | |
aberk | 0:3066745764a5 | 315 | int response = 0; |
aberk | 0:3066745764a5 | 316 | |
aberk | 0:3066745764a5 | 317 | //Issue read signature byte command. |
aberk | 0:3066745764a5 | 318 | //Address 0x00 is vendor code. |
aberk | 0:3066745764a5 | 319 | spi_.write(0x30); |
aberk | 0:3066745764a5 | 320 | spi_.write(0x00); |
aberk | 0:3066745764a5 | 321 | spi_.write(0x00); |
jeroenmbed | 3:df6782d01720 | 322 | //printf("r1=%d\n\r",spi_.write(0x00)); |
jeroenmbed | 3:df6782d01720 | 323 | //printf("r2=%d\n\r",spi_.write(0x00)); |
aberk | 0:3066745764a5 | 324 | response = spi_.write(0x00); |
jeroenmbed | 3:df6782d01720 | 325 | //printf("r3=%d\n\r",response); |
aberk | 0:3066745764a5 | 326 | |
aberk | 0:3066745764a5 | 327 | return response; |
aberk | 0:3066745764a5 | 328 | |
aberk | 0:3066745764a5 | 329 | } |
aberk | 0:3066745764a5 | 330 | |
jeroenmbed | 3:df6782d01720 | 331 | int AVR910::readPartFamilyAndFlashSize(void) |
jeroenmbed | 3:df6782d01720 | 332 | { |
aberk | 0:3066745764a5 | 333 | |
aberk | 0:3066745764a5 | 334 | int response = 0; |
aberk | 0:3066745764a5 | 335 | |
aberk | 0:3066745764a5 | 336 | //Issue read signature byte command. |
aberk | 0:3066745764a5 | 337 | //Address 0x01 is part family and flash size code. |
aberk | 0:3066745764a5 | 338 | spi_.write(0x30); |
aberk | 0:3066745764a5 | 339 | spi_.write(0x00); |
aberk | 0:3066745764a5 | 340 | spi_.write(0x01); |
aberk | 0:3066745764a5 | 341 | response = spi_.write(0x00); |
aberk | 0:3066745764a5 | 342 | |
aberk | 0:3066745764a5 | 343 | return response; |
aberk | 0:3066745764a5 | 344 | |
aberk | 0:3066745764a5 | 345 | } |
aberk | 0:3066745764a5 | 346 | |
jeroenmbed | 3:df6782d01720 | 347 | int AVR910::readPartNumber(void) |
jeroenmbed | 3:df6782d01720 | 348 | { |
aberk | 0:3066745764a5 | 349 | |
aberk | 0:3066745764a5 | 350 | int response = 0; |
aberk | 0:3066745764a5 | 351 | |
aberk | 0:3066745764a5 | 352 | //Issue read signature byte command. |
aberk | 0:3066745764a5 | 353 | //Address 0x02 is part number code. |
aberk | 0:3066745764a5 | 354 | spi_.write(0x30); |
aberk | 0:3066745764a5 | 355 | spi_.write(0x00); |
aberk | 0:3066745764a5 | 356 | spi_.write(0x02); |
aberk | 0:3066745764a5 | 357 | response = spi_.write(0x00); |
aberk | 0:3066745764a5 | 358 | |
aberk | 0:3066745764a5 | 359 | return response; |
aberk | 0:3066745764a5 | 360 | |
aberk | 0:3066745764a5 | 361 | } |
aberk | 0:3066745764a5 | 362 | |
jeroenmbed | 3:df6782d01720 | 363 | void AVR910::chipErase(void) |
jeroenmbed | 3:df6782d01720 | 364 | { |
aberk | 0:3066745764a5 | 365 | |
aberk | 0:3066745764a5 | 366 | //Issue chip erase command. |
aberk | 0:3066745764a5 | 367 | spi_.write(0xAC); |
aberk | 0:3066745764a5 | 368 | spi_.write(0x80); |
aberk | 0:3066745764a5 | 369 | spi_.write(0x00); |
aberk | 0:3066745764a5 | 370 | spi_.write(0x00); |
aberk | 0:3066745764a5 | 371 | |
aberk | 0:3066745764a5 | 372 | poll(); |
aberk | 0:3066745764a5 | 373 | |
aberk | 0:3066745764a5 | 374 | //Temporarily release reset line. |
aberk | 0:3066745764a5 | 375 | nReset_ = 1; |
aberk | 0:3066745764a5 | 376 | nReset_ = 0; |
aberk | 0:3066745764a5 | 377 | |
aberk | 0:3066745764a5 | 378 | } |
aberk | 0:3066745764a5 | 379 | |
jeroenmbed | 3:df6782d01720 | 380 | void AVR910::loadMemoryPage(int highLow, char address, char data) |
jeroenmbed | 3:df6782d01720 | 381 | { |
aberk | 0:3066745764a5 | 382 | |
aberk | 0:3066745764a5 | 383 | spi_.write(highLow); |
aberk | 0:3066745764a5 | 384 | spi_.write(0x00); |
aberk | 0:3066745764a5 | 385 | spi_.write(address & 0x3F); |
aberk | 0:3066745764a5 | 386 | spi_.write(data); |
aberk | 0:3066745764a5 | 387 | |
aberk | 0:3066745764a5 | 388 | poll(); |
aberk | 0:3066745764a5 | 389 | |
aberk | 0:3066745764a5 | 390 | } |
aberk | 0:3066745764a5 | 391 | |
jeroenmbed | 3:df6782d01720 | 392 | void AVR910::writeFlashMemoryByte(int highLow, int address, char data) |
jeroenmbed | 3:df6782d01720 | 393 | { |
aberk | 2:99c56829a2a8 | 394 | |
aberk | 2:99c56829a2a8 | 395 | spi_.write(highLow); |
aberk | 2:99c56829a2a8 | 396 | spi_.write(address & 0xFF00 >> 8); |
aberk | 2:99c56829a2a8 | 397 | spi_.write(address & 0x00FF); |
aberk | 2:99c56829a2a8 | 398 | spi_.write(data); |
aberk | 2:99c56829a2a8 | 399 | |
aberk | 2:99c56829a2a8 | 400 | } |
aberk | 2:99c56829a2a8 | 401 | |
jeroenmbed | 3:df6782d01720 | 402 | void AVR910::writeFlashMemoryPage(char pageNumber) |
jeroenmbed | 3:df6782d01720 | 403 | { |
aberk | 0:3066745764a5 | 404 | |
aberk | 0:3066745764a5 | 405 | spi_.write(0x4C); |
aberk | 0:3066745764a5 | 406 | spi_.write((pageNumber >> 2) & 0x3F); |
aberk | 0:3066745764a5 | 407 | spi_.write((pageNumber & 0x03) << 6); |
aberk | 0:3066745764a5 | 408 | spi_.write(0x00); |
aberk | 0:3066745764a5 | 409 | |
aberk | 0:3066745764a5 | 410 | poll(); |
aberk | 0:3066745764a5 | 411 | |
aberk | 0:3066745764a5 | 412 | } |
aberk | 0:3066745764a5 | 413 | |
jeroenmbed | 3:df6782d01720 | 414 | char AVR910::readProgramMemory(int highLow, char pageNumber, char pageOffset) |
jeroenmbed | 3:df6782d01720 | 415 | { |
aberk | 0:3066745764a5 | 416 | |
aberk | 0:3066745764a5 | 417 | int response = 0; |
aberk | 0:3066745764a5 | 418 | |
aberk | 0:3066745764a5 | 419 | spi_.write(highLow); |
aberk | 0:3066745764a5 | 420 | spi_.write((pageNumber >> 2) & 0x3F); |
aberk | 0:3066745764a5 | 421 | spi_.write(((pageNumber & 0x03) << 6) | (pageOffset & 0x3F)); |
aberk | 0:3066745764a5 | 422 | response = spi_.write(0x00); |
aberk | 0:3066745764a5 | 423 | |
aberk | 0:3066745764a5 | 424 | poll(); |
aberk | 0:3066745764a5 | 425 | |
aberk | 0:3066745764a5 | 426 | return response; |
aberk | 0:3066745764a5 | 427 | |
aberk | 0:3066745764a5 | 428 | } |
aberk | 0:3066745764a5 | 429 | |
jeroenmbed | 3:df6782d01720 | 430 | int AVR910::checkMemory(int numPages, FILE* binary) |
jeroenmbed | 3:df6782d01720 | 431 | { |
aberk | 0:3066745764a5 | 432 | |
aberk | 0:3066745764a5 | 433 | int success = 0; |
aberk | 0:3066745764a5 | 434 | int response = 0; |
aberk | 0:3066745764a5 | 435 | char c = 0; |
aberk | 0:3066745764a5 | 436 | |
aberk | 0:3066745764a5 | 437 | //Go back to the beginning of the binary file. |
aberk | 0:3066745764a5 | 438 | fseek(binary, 0, SEEK_SET); |
aberk | 0:3066745764a5 | 439 | |
aberk | 0:3066745764a5 | 440 | for (int i = 0; i < numPages; i++) { |
aberk | 0:3066745764a5 | 441 | for (int j = 0; j < PAGE_SIZE; j++) { |
aberk | 0:3066745764a5 | 442 | c = getc(binary); |
aberk | 0:3066745764a5 | 443 | //Read program memory low byte. |
aberk | 0:3066745764a5 | 444 | response = readProgramMemory(READ_LOW_BYTE, i, j); |
aberk | 0:3066745764a5 | 445 | //debug.printf("Low byte: 0x%02x\n", response); |
aberk | 0:3066745764a5 | 446 | if ( c != response ) { |
jeroenmbed | 3:df6782d01720 | 447 | // debug.printf("Page %i low byte %i: 0x%02x\n", i, j, response); |
jeroenmbed | 3:df6782d01720 | 448 | // debug.printf("Correct byte is 0x%02x\n", c); |
aberk | 0:3066745764a5 | 449 | success = -1; |
aberk | 0:3066745764a5 | 450 | } |
aberk | 0:3066745764a5 | 451 | |
aberk | 0:3066745764a5 | 452 | c = getc(binary); |
aberk | 0:3066745764a5 | 453 | //Read program memory high byte. |
aberk | 0:3066745764a5 | 454 | response = readProgramMemory(READ_HIGH_BYTE, i, j); |
aberk | 0:3066745764a5 | 455 | //debug.printf("High byte: 0x%02x\n", response); |
aberk | 0:3066745764a5 | 456 | if ( c != response ) { |
jeroenmbed | 3:df6782d01720 | 457 | // debug.printf("Page %i high byte %i: 0x%02x\n", i, j, response); |
jeroenmbed | 3:df6782d01720 | 458 | // debug.printf("Correct byte is 0x%02x\n", c); |
aberk | 0:3066745764a5 | 459 | success = -1; |
aberk | 0:3066745764a5 | 460 | } |
aberk | 0:3066745764a5 | 461 | } |
aberk | 0:3066745764a5 | 462 | } |
aberk | 0:3066745764a5 | 463 | |
aberk | 0:3066745764a5 | 464 | return success; |
aberk | 0:3066745764a5 | 465 | |
aberk | 0:3066745764a5 | 466 | } |
jeroenmbed | 3:df6782d01720 | 467 | |
jeroenmbed | 3:df6782d01720 | 468 | |
jeroenmbed | 3:df6782d01720 | 469 | int AVR910::checkMemoryData(int numPages, char* myData, int fileSize) |
jeroenmbed | 3:df6782d01720 | 470 | { |
jeroenmbed | 3:df6782d01720 | 471 | |
jeroenmbed | 3:df6782d01720 | 472 | int success = 0; |
jeroenmbed | 3:df6782d01720 | 473 | int response = 0; |
jeroenmbed | 3:df6782d01720 | 474 | char c = 0; |
jeroenmbed | 3:df6782d01720 | 475 | |
jeroenmbed | 3:df6782d01720 | 476 | //Go back to the beginning of the binary file. |
jeroenmbed | 3:df6782d01720 | 477 | //fseek(binary, 0, SEEK_SET); |
jeroenmbed | 3:df6782d01720 | 478 | int dpoint=0; |
jeroenmbed | 3:df6782d01720 | 479 | printf("about to start checking (numPages=%d pagesize=%d)\n",numPages, PAGE_SIZE); |
jeroenmbed | 3:df6782d01720 | 480 | for (int i = 0; i <= numPages; i++) { |
jeroenmbed | 3:df6782d01720 | 481 | for (int j = 0; j < PAGE_SIZE; j++) { |
jeroenmbed | 3:df6782d01720 | 482 | |
jeroenmbed | 3:df6782d01720 | 483 | //c = getc(binary); |
jeroenmbed | 3:df6782d01720 | 484 | c = myData[dpoint]; |
jeroenmbed | 3:df6782d01720 | 485 | //Read program memory low byte. |
jeroenmbed | 3:df6782d01720 | 486 | response = readProgramMemory(READ_LOW_BYTE, i, j); |
jeroenmbed | 3:df6782d01720 | 487 | //debug.printf("Low byte: 0x%02x\n", response); |
jeroenmbed | 3:df6782d01720 | 488 | printf("dpoint=%d Page %i low byte %i: 0x%02x (should be 0x%02x)\n", dpoint-1, i, j, response,c); |
jeroenmbed | 3:df6782d01720 | 489 | if ( c != response ) { |
jeroenmbed | 3:df6782d01720 | 490 | // debug.printf("Page %i low byte %i: 0x%02x\n", i, j, response); |
jeroenmbed | 3:df6782d01720 | 491 | // debug.printf("Correct byte is 0x%02x\n", c); |
jeroenmbed | 3:df6782d01720 | 492 | success = -1; |
jeroenmbed | 3:df6782d01720 | 493 | } |
jeroenmbed | 3:df6782d01720 | 494 | |
jeroenmbed | 3:df6782d01720 | 495 | //c = getc(binary); |
jeroenmbed | 3:df6782d01720 | 496 | dpoint++; |
jeroenmbed | 3:df6782d01720 | 497 | if (dpoint==fileSize) break; |
jeroenmbed | 3:df6782d01720 | 498 | c = myData[dpoint]; |
jeroenmbed | 3:df6782d01720 | 499 | //Read program memory high byte. |
jeroenmbed | 3:df6782d01720 | 500 | response = readProgramMemory(READ_HIGH_BYTE, i, j); |
jeroenmbed | 3:df6782d01720 | 501 | printf("dpoint=%d Page %i high byte %i: 0x%02x (should be 0x%02x)\n", dpoint-1, i, j, response,c); |
jeroenmbed | 3:df6782d01720 | 502 | |
jeroenmbed | 3:df6782d01720 | 503 | //debug.printf("High byte: 0x%02x\n", response); |
jeroenmbed | 3:df6782d01720 | 504 | if ( c != response ) { |
jeroenmbed | 3:df6782d01720 | 505 | // debug.printf("Page %i high byte %i: 0x%02x\n", i, j, response); |
jeroenmbed | 3:df6782d01720 | 506 | //debug.printf("Correct byte is 0x%02x\n", c); |
jeroenmbed | 3:df6782d01720 | 507 | success = -1; |
jeroenmbed | 3:df6782d01720 | 508 | } |
jeroenmbed | 3:df6782d01720 | 509 | dpoint++; |
jeroenmbed | 3:df6782d01720 | 510 | if (dpoint==fileSize) break; |
jeroenmbed | 3:df6782d01720 | 511 | } |
jeroenmbed | 3:df6782d01720 | 512 | } |
jeroenmbed | 3:df6782d01720 | 513 | |
jeroenmbed | 3:df6782d01720 | 514 | return success; |
jeroenmbed | 3:df6782d01720 | 515 | |
jeroenmbed | 3:df6782d01720 | 516 | } |