Pradeep Kotipalli / Mbed 2 deprecated cdms_april2_2016

pl ack in tmtc

Dependencies:   FreescaleIAP SimpleDMA mbed-rtos mbed

Fork of COM_MNG_TMTC_SIMPLE_pl123 by shubham c

cdms_sd.h@71:9193fbdaa3e1, 2016-01-19 (annotated)

Committer:
krishanprajapat
Date:
Tue Jan 19 10:30:46 2016 +0000
Revision:
71:9193fbdaa3e1
Modification of CDMS_sd.h required

Who changed what in which revision?

UserRevisionLine numberNew contents of line
krishanprajapat 71:9193fbdaa3e1 1
krishanprajapat 71:9193fbdaa3e1 2
krishanprajapat 71:9193fbdaa3e1 3
krishanprajapat 71:9193fbdaa3e1 4 SPI spi(PTE1, PTE3, PTE2); // MOSI,MISO, CLOCK microcontroller(in order)
krishanprajapat 71:9193fbdaa3e1 5 DigitalOut cs_sd(PTE22);
krishanprajapat 71:9193fbdaa3e1 6
krishanprajapat 71:9193fbdaa3e1 7 Serial sd1(USBTX,USBRX);
krishanprajapat 71:9193fbdaa3e1 8
krishanprajapat 71:9193fbdaa3e1 9
krishanprajapat 71:9193fbdaa3e1 10 #define SD_COMMAND_TIMEOUT 5000
krishanprajapat 71:9193fbdaa3e1 11
krishanprajapat 71:9193fbdaa3e1 12 #define SD_DBG 0
krishanprajapat 71:9193fbdaa3e1 13
krishanprajapat 71:9193fbdaa3e1 14 #define R1_IDLE_STATE (1 << 0)
krishanprajapat 71:9193fbdaa3e1 15 #define R1_ERASE_RESET (1 << 1)
krishanprajapat 71:9193fbdaa3e1 16 #define R1_ILLEGAL_COMMAND (1 << 2)
krishanprajapat 71:9193fbdaa3e1 17 #define R1_COM_CRC_ERROR (1 << 3)
krishanprajapat 71:9193fbdaa3e1 18 #define R1_ERASE_SEQUENCE_ERROR (1 << 4)
krishanprajapat 71:9193fbdaa3e1 19 #define R1_ADDRESS_ERROR (1 << 5)
krishanprajapat 71:9193fbdaa3e1 20 #define R1_PARAMETER_ERROR (1 << 6)
krishanprajapat 71:9193fbdaa3e1 21
krishanprajapat 71:9193fbdaa3e1 22
krishanprajapat 71:9193fbdaa3e1 23
krishanprajapat 71:9193fbdaa3e1 24 #define SD_MAX_CYCLES 10000
krishanprajapat 71:9193fbdaa3e1 25
krishanprajapat 71:9193fbdaa3e1 26 extern uint8_t SD_INIT_FLAGS;
krishanprajapat 71:9193fbdaa3e1 27
krishanprajapat 71:9193fbdaa3e1 28
krishanprajapat 71:9193fbdaa3e1 29
krishanprajapat 71:9193fbdaa3e1 30 int initialise_card();
krishanprajapat 71:9193fbdaa3e1 31 int initialise_card_v1();
krishanprajapat 71:9193fbdaa3e1 32 int initialise_card_v2();
krishanprajapat 71:9193fbdaa3e1 33 int disk_write(const uint8_t *, uint64_t);
krishanprajapat 71:9193fbdaa3e1 34 int disk_read(uint8_t *, uint64_t);
krishanprajapat 71:9193fbdaa3e1 35 int disk_initialize();
krishanprajapat 71:9193fbdaa3e1 36 int disk_erase(int,int);
krishanprajapat 71:9193fbdaa3e1 37
krishanprajapat 71:9193fbdaa3e1 38 //void FCTN_CDMS_INIT_SD();
krishanprajapat 71:9193fbdaa3e1 39 //int FCTN_CDMS_WR_SD(const uint8_t *, uint64_t);
krishanprajapat 71:9193fbdaa3e1 40 //int FCTN_CDMS_RD_SD(uint8_t *, uint64_t);
krishanprajapat 71:9193fbdaa3e1 41 uint8_t FCTN_SD_MNGR(uint8_t);
krishanprajapat 71:9193fbdaa3e1 42
krishanprajapat 71:9193fbdaa3e1 43
krishanprajapat 71:9193fbdaa3e1 44 int cmd(int, int);
krishanprajapat 71:9193fbdaa3e1 45 int cmd58();
krishanprajapat 71:9193fbdaa3e1 46 int cmdx(int, int);
krishanprajapat 71:9193fbdaa3e1 47 int cmd8();
krishanprajapat 71:9193fbdaa3e1 48 int read(uint8_t*, uint32_t );
krishanprajapat 71:9193fbdaa3e1 49 int write(const uint8_t*, uint32_t );
krishanprajapat 71:9193fbdaa3e1 50 static uint32_t ext_bits(unsigned char *, int , int );
krishanprajapat 71:9193fbdaa3e1 51 int SD_WRITE(uint8_t*,uint8_t,uint8_t);
krishanprajapat 71:9193fbdaa3e1 52 void FCTN_CDMS_SD_INIT();
krishanprajapat 71:9193fbdaa3e1 53 int SD_READ(uint8_t*,uint8_t,uint8_t);
krishanprajapat 71:9193fbdaa3e1 54 #define SDCARD_FAIL 0
krishanprajapat 71:9193fbdaa3e1 55 #define SDCARD_V1 1
krishanprajapat 71:9193fbdaa3e1 56 #define SDCARD_V2 2
krishanprajapat 71:9193fbdaa3e1 57 #define SDCARD_V2HC 3
krishanprajapat 71:9193fbdaa3e1 58
krishanprajapat 71:9193fbdaa3e1 59
krishanprajapat 71:9193fbdaa3e1 60
krishanprajapat 71:9193fbdaa3e1 61
krishanprajapat 71:9193fbdaa3e1 62
krishanprajapat 71:9193fbdaa3e1 63
krishanprajapat 71:9193fbdaa3e1 64
krishanprajapat 71:9193fbdaa3e1 65
krishanprajapat 71:9193fbdaa3e1 66
krishanprajapat 71:9193fbdaa3e1 67
krishanprajapat 71:9193fbdaa3e1 68
krishanprajapat 71:9193fbdaa3e1 69 int cdv;
krishanprajapat 71:9193fbdaa3e1 70 uint64_t sd_sectors();
krishanprajapat 71:9193fbdaa3e1 71 uint64_t sectors;
krishanprajapat 71:9193fbdaa3e1 72
krishanprajapat 71:9193fbdaa3e1 73 void FCTN_CDMS_SD_INIT()
krishanprajapat 71:9193fbdaa3e1 74 {
krishanprajapat 71:9193fbdaa3e1 75
krishanprajapat 71:9193fbdaa3e1 76 initialise_card();
krishanprajapat 71:9193fbdaa3e1 77
krishanprajapat 71:9193fbdaa3e1 78 disk_initialize();
krishanprajapat 71:9193fbdaa3e1 79
krishanprajapat 71:9193fbdaa3e1 80 }
krishanprajapat 71:9193fbdaa3e1 81
krishanprajapat 71:9193fbdaa3e1 82
krishanprajapat 71:9193fbdaa3e1 83
krishanprajapat 71:9193fbdaa3e1 84 uint8_t FCTN_SD_MNGR(uint8_t sid)
krishanprajapat 71:9193fbdaa3e1 85
krishanprajapat 71:9193fbdaa3e1 86 {
krishanprajapat 71:9193fbdaa3e1 87
krishanprajapat 71:9193fbdaa3e1 88 uint32_t SD_MNG_SECT=7000;
krishanprajapat 71:9193fbdaa3e1 89 uint32_t block_number;
krishanprajapat 71:9193fbdaa3e1 90 uint8_t fsc;
krishanprajapat 71:9193fbdaa3e1 91 uint8_t *buffer;
krishanprajapat 71:9193fbdaa3e1 92 uint32_t i=0;
krishanprajapat 71:9193fbdaa3e1 93 disk_read(buffer, SD_MNG_SECT);
krishanprajapat 71:9193fbdaa3e1 94
krishanprajapat 71:9193fbdaa3e1 95 if(sid==0x0)
krishanprajapat 71:9193fbdaa3e1 96 {
krishanprajapat 71:9193fbdaa3e1 97 fsc=buffer[0];
krishanprajapat 71:9193fbdaa3e1 98 buffer[0]++;
krishanprajapat 71:9193fbdaa3e1 99 buffer[511]+=2;
krishanprajapat 71:9193fbdaa3e1 100 disk_write(buffer,SD_MNG_SECT);
krishanprajapat 71:9193fbdaa3e1 101 }
krishanprajapat 71:9193fbdaa3e1 102 if(sid==0x1)
krishanprajapat 71:9193fbdaa3e1 103 {
krishanprajapat 71:9193fbdaa3e1 104 fsc=buffer[1];
krishanprajapat 71:9193fbdaa3e1 105 buffer[1]++;
krishanprajapat 71:9193fbdaa3e1 106 buffer[511]+=2;
krishanprajapat 71:9193fbdaa3e1 107 disk_write(buffer,SD_MNG_SECT);
krishanprajapat 71:9193fbdaa3e1 108 }
krishanprajapat 71:9193fbdaa3e1 109 if(sid==0x2)
krishanprajapat 71:9193fbdaa3e1 110 {
krishanprajapat 71:9193fbdaa3e1 111 fsc=buffer[2];
krishanprajapat 71:9193fbdaa3e1 112 buffer[2]++;
krishanprajapat 71:9193fbdaa3e1 113 buffer[511]+=2;
krishanprajapat 71:9193fbdaa3e1 114 disk_write(buffer,SD_MNG_SECT);
krishanprajapat 71:9193fbdaa3e1 115 }
krishanprajapat 71:9193fbdaa3e1 116 if(sid==0x3)
krishanprajapat 71:9193fbdaa3e1 117 {
krishanprajapat 71:9193fbdaa3e1 118 fsc=buffer[30];
krishanprajapat 71:9193fbdaa3e1 119 printf("Hey buffer[300] pre-increment is %d\r\n",buffer[300]);
krishanprajapat 71:9193fbdaa3e1 120 buffer[300]+=1;
krishanprajapat 71:9193fbdaa3e1 121 printf("Hey buffer[300] post-increment is %d\r\n",buffer[300]);
krishanprajapat 71:9193fbdaa3e1 122 buffer[511]+=2;
krishanprajapat 71:9193fbdaa3e1 123 disk_write(buffer,SD_MNG_SECT);
krishanprajapat 71:9193fbdaa3e1 124 disk_read(buffer, SD_MNG_SECT);
krishanprajapat 71:9193fbdaa3e1 125 printf("Hey buffer[300] post writing is %d\r\n",buffer[300]);
krishanprajapat 71:9193fbdaa3e1 126 printf("Hey buffer[511] post writing is %d\r\n",buffer[511]);
krishanprajapat 71:9193fbdaa3e1 127 }
krishanprajapat 71:9193fbdaa3e1 128 if(sid==0x4)
krishanprajapat 71:9193fbdaa3e1 129 {
krishanprajapat 71:9193fbdaa3e1 130 fsc=buffer[4];
krishanprajapat 71:9193fbdaa3e1 131 buffer[4]++;
krishanprajapat 71:9193fbdaa3e1 132 buffer[511]+=2;
krishanprajapat 71:9193fbdaa3e1 133 disk_write(buffer,SD_MNG_SECT);
krishanprajapat 71:9193fbdaa3e1 134 }
krishanprajapat 71:9193fbdaa3e1 135 return fsc;
krishanprajapat 71:9193fbdaa3e1 136 }
krishanprajapat 71:9193fbdaa3e1 137
krishanprajapat 71:9193fbdaa3e1 138
krishanprajapat 71:9193fbdaa3e1 139 int SD_WRITE(uint8_t* buffer,uint8_t fsc,uint8_t sid)
krishanprajapat 71:9193fbdaa3e1 140 {
krishanprajapat 71:9193fbdaa3e1 141
krishanprajapat 71:9193fbdaa3e1 142 uint32_t SD_SCP_FIRST=1001;
krishanprajapat 71:9193fbdaa3e1 143 uint32_t SD_SCP_LAST=2000;
krishanprajapat 71:9193fbdaa3e1 144 uint32_t SD_SFF_AT_FIRST=2001;
krishanprajapat 71:9193fbdaa3e1 145 uint32_t SD_SFF_AT_LAST = 3000;
krishanprajapat 71:9193fbdaa3e1 146 uint32_t SD_SFF_BT_FIRST =3001;
krishanprajapat 71:9193fbdaa3e1 147 uint32_t SD_SFF_BT_LAST=4000;
krishanprajapat 71:9193fbdaa3e1 148 uint32_t SD_HK_ARCH_FIRST=4001;
krishanprajapat 71:9193fbdaa3e1 149 uint32_t SD_HK_ARCH_LAST= 5000;
krishanprajapat 71:9193fbdaa3e1 150 uint32_t LOG_FIRST =5001;
krishanprajapat 71:9193fbdaa3e1 151 uint32_t LOG_LAST=6000;
krishanprajapat 71:9193fbdaa3e1 152 uint32_t SD_MNG_SECT=7000;
krishanprajapat 71:9193fbdaa3e1 153 uint32_t block_number;
krishanprajapat 71:9193fbdaa3e1 154 int result;
krishanprajapat 71:9193fbdaa3e1 155 if(sid==0x0)
krishanprajapat 71:9193fbdaa3e1 156 {
krishanprajapat 71:9193fbdaa3e1 157 block_number=SD_SCP_FIRST+uint32_t(fsc);
krishanprajapat 71:9193fbdaa3e1 158 // printf("write_block_number=%d\r\n",block_number);
krishanprajapat 71:9193fbdaa3e1 159 result= disk_write(buffer,block_number);
krishanprajapat 71:9193fbdaa3e1 160 return result;
krishanprajapat 71:9193fbdaa3e1 161 }
krishanprajapat 71:9193fbdaa3e1 162 if(sid==0x1)
krishanprajapat 71:9193fbdaa3e1 163 {
krishanprajapat 71:9193fbdaa3e1 164 block_number=SD_SFF_AT_FIRST + fsc;
krishanprajapat 71:9193fbdaa3e1 165 result= disk_write(buffer,block_number);
krishanprajapat 71:9193fbdaa3e1 166 return result;
krishanprajapat 71:9193fbdaa3e1 167 }
krishanprajapat 71:9193fbdaa3e1 168 if(sid==0x2)
krishanprajapat 71:9193fbdaa3e1 169 {
krishanprajapat 71:9193fbdaa3e1 170 block_number=SD_SFF_BT_FIRST + fsc;
krishanprajapat 71:9193fbdaa3e1 171 result= disk_write(buffer,block_number);
krishanprajapat 71:9193fbdaa3e1 172 return result;
krishanprajapat 71:9193fbdaa3e1 173 }
krishanprajapat 71:9193fbdaa3e1 174 if(sid==0x3)
krishanprajapat 71:9193fbdaa3e1 175 {
krishanprajapat 71:9193fbdaa3e1 176 block_number=SD_HK_ARCH_FIRST+fsc;
krishanprajapat 71:9193fbdaa3e1 177 // sd1.printf("Block number is %d \r\n",block_number);
krishanprajapat 71:9193fbdaa3e1 178 result= disk_write(buffer,block_number);
krishanprajapat 71:9193fbdaa3e1 179 return result;
krishanprajapat 71:9193fbdaa3e1 180 }
krishanprajapat 71:9193fbdaa3e1 181 if(sid==0x4)
krishanprajapat 71:9193fbdaa3e1 182 {
krishanprajapat 71:9193fbdaa3e1 183 block_number=LOG_FIRST +fsc;
krishanprajapat 71:9193fbdaa3e1 184 result= disk_write(buffer,block_number);
krishanprajapat 71:9193fbdaa3e1 185 return result;
krishanprajapat 71:9193fbdaa3e1 186 }
krishanprajapat 71:9193fbdaa3e1 187 return 1;
krishanprajapat 71:9193fbdaa3e1 188 }
krishanprajapat 71:9193fbdaa3e1 189
krishanprajapat 71:9193fbdaa3e1 190 int SD_READ(uint8_t* buffer,uint8_t fsc,uint8_t sid)
krishanprajapat 71:9193fbdaa3e1 191 {
krishanprajapat 71:9193fbdaa3e1 192
krishanprajapat 71:9193fbdaa3e1 193 uint32_t SD_SCP_FIRST=1001;
krishanprajapat 71:9193fbdaa3e1 194 uint32_t SD_SCP_LAST=2000;
krishanprajapat 71:9193fbdaa3e1 195 uint32_t SD_SFF_AT_FIRST=2001;
krishanprajapat 71:9193fbdaa3e1 196 uint32_t SD_SFF_AT_LAST = 3000;
krishanprajapat 71:9193fbdaa3e1 197 uint32_t SD_SFF_BT_FIRST =3001;
krishanprajapat 71:9193fbdaa3e1 198 uint32_t SD_SFF_BT_LAST=4000;
krishanprajapat 71:9193fbdaa3e1 199 uint32_t SD_HK_ARCH_FIRST=4001;
krishanprajapat 71:9193fbdaa3e1 200 uint32_t SD_HK_ARCH_LAST= 5000;
krishanprajapat 71:9193fbdaa3e1 201 uint32_t LOG_FIRST =5001;
krishanprajapat 71:9193fbdaa3e1 202 uint32_t LOG_LAST=6000;
krishanprajapat 71:9193fbdaa3e1 203 uint32_t SD_MNG_SECT=7000;
krishanprajapat 71:9193fbdaa3e1 204 uint32_t block_number;
krishanprajapat 71:9193fbdaa3e1 205 int result;
krishanprajapat 71:9193fbdaa3e1 206 if(sid==0x0)
krishanprajapat 71:9193fbdaa3e1 207 {
krishanprajapat 71:9193fbdaa3e1 208 block_number=SD_SCP_FIRST + uint32_t(fsc);
krishanprajapat 71:9193fbdaa3e1 209 // sd1.printf("read_block_number=%d\r\n",block_number);
krishanprajapat 71:9193fbdaa3e1 210 result= disk_read(buffer,block_number);
krishanprajapat 71:9193fbdaa3e1 211 }
krishanprajapat 71:9193fbdaa3e1 212 else if(sid==0x1)
krishanprajapat 71:9193fbdaa3e1 213 {
krishanprajapat 71:9193fbdaa3e1 214 block_number=SD_SFF_AT_FIRST + fsc;
krishanprajapat 71:9193fbdaa3e1 215 result= disk_read(buffer,block_number);
krishanprajapat 71:9193fbdaa3e1 216 }
krishanprajapat 71:9193fbdaa3e1 217 else if(sid==0x2)
krishanprajapat 71:9193fbdaa3e1 218 {
krishanprajapat 71:9193fbdaa3e1 219 block_number=SD_SFF_BT_FIRST + fsc;
krishanprajapat 71:9193fbdaa3e1 220 result= disk_read(buffer,block_number);
krishanprajapat 71:9193fbdaa3e1 221 }
krishanprajapat 71:9193fbdaa3e1 222 else if(sid==0x3)
krishanprajapat 71:9193fbdaa3e1 223 {
krishanprajapat 71:9193fbdaa3e1 224 block_number=SD_HK_ARCH_FIRST + fsc;
krishanprajapat 71:9193fbdaa3e1 225 result= disk_read(buffer,block_number);
krishanprajapat 71:9193fbdaa3e1 226 }
krishanprajapat 71:9193fbdaa3e1 227 else if(sid==0x4)
krishanprajapat 71:9193fbdaa3e1 228 {
krishanprajapat 71:9193fbdaa3e1 229 block_number=LOG_FIRST +fsc;
krishanprajapat 71:9193fbdaa3e1 230 result= disk_read(buffer,block_number);
krishanprajapat 71:9193fbdaa3e1 231 }
krishanprajapat 71:9193fbdaa3e1 232 else
krishanprajapat 71:9193fbdaa3e1 233 {
krishanprajapat 71:9193fbdaa3e1 234 return 1;
krishanprajapat 71:9193fbdaa3e1 235 }
krishanprajapat 71:9193fbdaa3e1 236 return result;
krishanprajapat 71:9193fbdaa3e1 237 }
krishanprajapat 71:9193fbdaa3e1 238
krishanprajapat 71:9193fbdaa3e1 239
krishanprajapat 71:9193fbdaa3e1 240 int initialise_card()
krishanprajapat 71:9193fbdaa3e1 241 {
krishanprajapat 71:9193fbdaa3e1 242 // Set to 100kHz for initialisation, and clock card with cs_sd = 1
krishanprajapat 71:9193fbdaa3e1 243 spi.frequency(100000); // changed on 31 12 2015 to 1 MHz
krishanprajapat 71:9193fbdaa3e1 244 cs_sd = 1;
krishanprajapat 71:9193fbdaa3e1 245 for (int i = 0; i < 16; i++) {
krishanprajapat 71:9193fbdaa3e1 246 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 247 }
krishanprajapat 71:9193fbdaa3e1 248
krishanprajapat 71:9193fbdaa3e1 249 // send CMD0, should return with all zeros except IDLE STATE set (bit 0)
krishanprajapat 71:9193fbdaa3e1 250 if (cmd(0, 0) != R1_IDLE_STATE) {
krishanprajapat 71:9193fbdaa3e1 251 debug("No disk, or could not put SD card in to spi idle state\r\n");
krishanprajapat 71:9193fbdaa3e1 252 return SDCARD_FAIL;
krishanprajapat 71:9193fbdaa3e1 253 }
krishanprajapat 71:9193fbdaa3e1 254
krishanprajapat 71:9193fbdaa3e1 255 // send CMD8 to determine whther it is ver 2.x
krishanprajapat 71:9193fbdaa3e1 256 int r = cmd8();
krishanprajapat 71:9193fbdaa3e1 257 if (r == R1_IDLE_STATE) {
krishanprajapat 71:9193fbdaa3e1 258 printf("\rEntering v2\r\n");
krishanprajapat 71:9193fbdaa3e1 259 return initialise_card_v2();
krishanprajapat 71:9193fbdaa3e1 260
krishanprajapat 71:9193fbdaa3e1 261 } else if (r == (R1_IDLE_STATE | R1_ILLEGAL_COMMAND)) {
krishanprajapat 71:9193fbdaa3e1 262 printf("\rEntering v1\r\n");
krishanprajapat 71:9193fbdaa3e1 263 return initialise_card_v1();
krishanprajapat 71:9193fbdaa3e1 264
krishanprajapat 71:9193fbdaa3e1 265 } else {
krishanprajapat 71:9193fbdaa3e1 266 debug("\rNot in idle state after sending CMD8 (not an SD card?)\r\n");
krishanprajapat 71:9193fbdaa3e1 267 return SDCARD_FAIL;
krishanprajapat 71:9193fbdaa3e1 268 }
krishanprajapat 71:9193fbdaa3e1 269 }
krishanprajapat 71:9193fbdaa3e1 270
krishanprajapat 71:9193fbdaa3e1 271 int initialise_card_v1()
krishanprajapat 71:9193fbdaa3e1 272 {
krishanprajapat 71:9193fbdaa3e1 273 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
krishanprajapat 71:9193fbdaa3e1 274 cmd(55, 0);
krishanprajapat 71:9193fbdaa3e1 275 if (cmd(41, 0) == 0) {
krishanprajapat 71:9193fbdaa3e1 276 printf("\rv1 initialization successfull\r\n");
krishanprajapat 71:9193fbdaa3e1 277 cdv = 512;
krishanprajapat 71:9193fbdaa3e1 278 debug_if(SD_DBG, "\n\rInit: SEDCARD_V1\n\r");
krishanprajapat 71:9193fbdaa3e1 279
krishanprajapat 71:9193fbdaa3e1 280 return SDCARD_V1;
krishanprajapat 71:9193fbdaa3e1 281 }
krishanprajapat 71:9193fbdaa3e1 282 }
krishanprajapat 71:9193fbdaa3e1 283
krishanprajapat 71:9193fbdaa3e1 284 debug("\rTimeout waiting for v1.x card\r\n");
krishanprajapat 71:9193fbdaa3e1 285 return SDCARD_FAIL;
krishanprajapat 71:9193fbdaa3e1 286 }
krishanprajapat 71:9193fbdaa3e1 287
krishanprajapat 71:9193fbdaa3e1 288
krishanprajapat 71:9193fbdaa3e1 289 int initialise_card_v2()
krishanprajapat 71:9193fbdaa3e1 290 {
krishanprajapat 71:9193fbdaa3e1 291 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
krishanprajapat 71:9193fbdaa3e1 292 wait_ms(50);
krishanprajapat 71:9193fbdaa3e1 293 cmd58();
krishanprajapat 71:9193fbdaa3e1 294 cmd(55, 0);
krishanprajapat 71:9193fbdaa3e1 295 if (cmd(41, 0x40000000) == 0) {
krishanprajapat 71:9193fbdaa3e1 296 printf("\rv2 initialization successfull\r\n");
krishanprajapat 71:9193fbdaa3e1 297 cmd58();
krishanprajapat 71:9193fbdaa3e1 298 debug_if(SD_DBG, "\n\rInit: SDCARD_V2\n\r");
krishanprajapat 71:9193fbdaa3e1 299 cdv = 1;
krishanprajapat 71:9193fbdaa3e1 300
krishanprajapat 71:9193fbdaa3e1 301 return SDCARD_V2;
krishanprajapat 71:9193fbdaa3e1 302 }
krishanprajapat 71:9193fbdaa3e1 303 }
krishanprajapat 71:9193fbdaa3e1 304
krishanprajapat 71:9193fbdaa3e1 305 debug("\rTimeout waiting for v2.x card\r\n");
krishanprajapat 71:9193fbdaa3e1 306 return SDCARD_FAIL;
krishanprajapat 71:9193fbdaa3e1 307 }
krishanprajapat 71:9193fbdaa3e1 308
krishanprajapat 71:9193fbdaa3e1 309 int cmd(int cmd, int arg)
krishanprajapat 71:9193fbdaa3e1 310 {
krishanprajapat 71:9193fbdaa3e1 311 cs_sd = 0;
krishanprajapat 71:9193fbdaa3e1 312
krishanprajapat 71:9193fbdaa3e1 313 // send a command
krishanprajapat 71:9193fbdaa3e1 314 spi.write(0x40 | cmd);
krishanprajapat 71:9193fbdaa3e1 315 spi.write(arg >> 24);
krishanprajapat 71:9193fbdaa3e1 316 spi.write(arg >> 16);
krishanprajapat 71:9193fbdaa3e1 317 spi.write(arg >> 8);
krishanprajapat 71:9193fbdaa3e1 318 spi.write(arg >> 0);
krishanprajapat 71:9193fbdaa3e1 319 spi.write(0x95);
krishanprajapat 71:9193fbdaa3e1 320
krishanprajapat 71:9193fbdaa3e1 321 // wait for the repsonse (response[7] == 0)
krishanprajapat 71:9193fbdaa3e1 322 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
krishanprajapat 71:9193fbdaa3e1 323 int response = spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 324 if (!(response & 0x80)) {
krishanprajapat 71:9193fbdaa3e1 325 cs_sd = 1;
krishanprajapat 71:9193fbdaa3e1 326 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 327 return response;
krishanprajapat 71:9193fbdaa3e1 328 }
krishanprajapat 71:9193fbdaa3e1 329 }
krishanprajapat 71:9193fbdaa3e1 330 cs_sd = 1;
krishanprajapat 71:9193fbdaa3e1 331 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 332 return -1; // timeout
krishanprajapat 71:9193fbdaa3e1 333 }
krishanprajapat 71:9193fbdaa3e1 334
krishanprajapat 71:9193fbdaa3e1 335
krishanprajapat 71:9193fbdaa3e1 336 int cmd58()
krishanprajapat 71:9193fbdaa3e1 337 {
krishanprajapat 71:9193fbdaa3e1 338 cs_sd = 0;
krishanprajapat 71:9193fbdaa3e1 339 int arg = 0;
krishanprajapat 71:9193fbdaa3e1 340
krishanprajapat 71:9193fbdaa3e1 341 // send a command
krishanprajapat 71:9193fbdaa3e1 342 spi.write(0x40 | 58);
krishanprajapat 71:9193fbdaa3e1 343 spi.write(arg >> 24);
krishanprajapat 71:9193fbdaa3e1 344 spi.write(arg >> 16);
krishanprajapat 71:9193fbdaa3e1 345 spi.write(arg >> 8);
krishanprajapat 71:9193fbdaa3e1 346 spi.write(arg >> 0);
krishanprajapat 71:9193fbdaa3e1 347 spi.write(0x95);
krishanprajapat 71:9193fbdaa3e1 348
krishanprajapat 71:9193fbdaa3e1 349 // wait for the repsonse (response[7] == 0)
krishanprajapat 71:9193fbdaa3e1 350 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
krishanprajapat 71:9193fbdaa3e1 351 int response = spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 352 if (!(response & 0x80)) {
krishanprajapat 71:9193fbdaa3e1 353 int ocr = spi.write(0xFF) << 24;
krishanprajapat 71:9193fbdaa3e1 354 ocr |= spi.write(0xFF) << 16;
krishanprajapat 71:9193fbdaa3e1 355 ocr |= spi.write(0xFF) << 8;
krishanprajapat 71:9193fbdaa3e1 356 ocr |= spi.write(0xFF) << 0;
krishanprajapat 71:9193fbdaa3e1 357 cs_sd = 1;
krishanprajapat 71:9193fbdaa3e1 358 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 359 return response;
krishanprajapat 71:9193fbdaa3e1 360 }
krishanprajapat 71:9193fbdaa3e1 361 }
krishanprajapat 71:9193fbdaa3e1 362 cs_sd = 1;
krishanprajapat 71:9193fbdaa3e1 363 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 364 return -1; // timeout
krishanprajapat 71:9193fbdaa3e1 365 }
krishanprajapat 71:9193fbdaa3e1 366
krishanprajapat 71:9193fbdaa3e1 367
krishanprajapat 71:9193fbdaa3e1 368 int cmd8()
krishanprajapat 71:9193fbdaa3e1 369 {
krishanprajapat 71:9193fbdaa3e1 370 cs_sd = 0;
krishanprajapat 71:9193fbdaa3e1 371
krishanprajapat 71:9193fbdaa3e1 372 // send a command
krishanprajapat 71:9193fbdaa3e1 373 spi.write(0x40 | 8); // CMD8
krishanprajapat 71:9193fbdaa3e1 374 spi.write(0x00); // reserved
krishanprajapat 71:9193fbdaa3e1 375 spi.write(0x00); // reserved
krishanprajapat 71:9193fbdaa3e1 376 spi.write(0x01); // 3.3v
krishanprajapat 71:9193fbdaa3e1 377 spi.write(0xAA); // check pattern
krishanprajapat 71:9193fbdaa3e1 378 spi.write(0x87); // crc
krishanprajapat 71:9193fbdaa3e1 379
krishanprajapat 71:9193fbdaa3e1 380 // wait for the repsonse (response[7] == 0)
krishanprajapat 71:9193fbdaa3e1 381 for (int i = 0; i < SD_COMMAND_TIMEOUT * 1000; i++) {
krishanprajapat 71:9193fbdaa3e1 382 char response[5];
krishanprajapat 71:9193fbdaa3e1 383 response[0] = spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 384 if (!(response[0] & 0x80)) {
krishanprajapat 71:9193fbdaa3e1 385 for (int j = 1; j < 5; j++) {
krishanprajapat 71:9193fbdaa3e1 386 response[i] = spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 387 }
krishanprajapat 71:9193fbdaa3e1 388 cs_sd = 1;
krishanprajapat 71:9193fbdaa3e1 389 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 390 return response[0];
krishanprajapat 71:9193fbdaa3e1 391 }
krishanprajapat 71:9193fbdaa3e1 392 }
krishanprajapat 71:9193fbdaa3e1 393 cs_sd = 1;
krishanprajapat 71:9193fbdaa3e1 394 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 395 return -1; // timeout
krishanprajapat 71:9193fbdaa3e1 396 }
krishanprajapat 71:9193fbdaa3e1 397
krishanprajapat 71:9193fbdaa3e1 398 uint64_t sd_sectors()
krishanprajapat 71:9193fbdaa3e1 399 {
krishanprajapat 71:9193fbdaa3e1 400 uint32_t c_size, c_size_mult, read_bl_len;
krishanprajapat 71:9193fbdaa3e1 401 uint32_t block_len, mult, blocknr, capacity;
krishanprajapat 71:9193fbdaa3e1 402 uint32_t hc_c_size;
krishanprajapat 71:9193fbdaa3e1 403 uint64_t blocks;
krishanprajapat 71:9193fbdaa3e1 404
krishanprajapat 71:9193fbdaa3e1 405 // CMD9, Response R2 (R1 byte + 16-byte block read)
krishanprajapat 71:9193fbdaa3e1 406 if (cmdx(9, 0) != 0) {
krishanprajapat 71:9193fbdaa3e1 407 debug("\rDidn't get a response from the disk\n");
krishanprajapat 71:9193fbdaa3e1 408 return 0;
krishanprajapat 71:9193fbdaa3e1 409 }
krishanprajapat 71:9193fbdaa3e1 410
krishanprajapat 71:9193fbdaa3e1 411 uint8_t cs_sdd[16];
krishanprajapat 71:9193fbdaa3e1 412 if (read(cs_sdd, 16) != 0) {
krishanprajapat 71:9193fbdaa3e1 413 debug("\rCouldn't read cs_sdd response from disk\n");
krishanprajapat 71:9193fbdaa3e1 414 return 0;
krishanprajapat 71:9193fbdaa3e1 415 }
krishanprajapat 71:9193fbdaa3e1 416
krishanprajapat 71:9193fbdaa3e1 417 // cs_sdd_structure : cs_sdd[127:126]
krishanprajapat 71:9193fbdaa3e1 418 // c_size : cs_sdd[73:62]
krishanprajapat 71:9193fbdaa3e1 419 // c_size_mult : cs_sdd[49:47]
krishanprajapat 71:9193fbdaa3e1 420 // read_bl_len : cs_sdd[83:80] - the *maximum* read block length
krishanprajapat 71:9193fbdaa3e1 421
krishanprajapat 71:9193fbdaa3e1 422 int cs_sdd_structure = ext_bits(cs_sdd, 127, 126);
krishanprajapat 71:9193fbdaa3e1 423
krishanprajapat 71:9193fbdaa3e1 424 switch (cs_sdd_structure) {
krishanprajapat 71:9193fbdaa3e1 425 case 0:
krishanprajapat 71:9193fbdaa3e1 426 cdv = 512;
krishanprajapat 71:9193fbdaa3e1 427 c_size = ext_bits(cs_sdd, 73, 62);
krishanprajapat 71:9193fbdaa3e1 428 c_size_mult = ext_bits(cs_sdd, 49, 47);
krishanprajapat 71:9193fbdaa3e1 429 read_bl_len = ext_bits(cs_sdd, 83, 80);
krishanprajapat 71:9193fbdaa3e1 430
krishanprajapat 71:9193fbdaa3e1 431 block_len = 1 << read_bl_len;
krishanprajapat 71:9193fbdaa3e1 432 mult = 1 << (c_size_mult + 2);
krishanprajapat 71:9193fbdaa3e1 433 blocknr = (c_size + 1) * mult;
krishanprajapat 71:9193fbdaa3e1 434 capacity = blocknr * block_len;
krishanprajapat 71:9193fbdaa3e1 435 blocks = capacity / 512;
krishanprajapat 71:9193fbdaa3e1 436 debug_if(SD_DBG, "\n\rSDCard\n\rc_size: %d \n\rcapacity: %ld \n\rsectors: %lld\n\r", c_size, capacity, blocks);
krishanprajapat 71:9193fbdaa3e1 437 break;
krishanprajapat 71:9193fbdaa3e1 438
krishanprajapat 71:9193fbdaa3e1 439 case 1:
krishanprajapat 71:9193fbdaa3e1 440 cdv = 1;
krishanprajapat 71:9193fbdaa3e1 441 hc_c_size = ext_bits(cs_sdd, 63, 48);
krishanprajapat 71:9193fbdaa3e1 442 blocks = (hc_c_size+1)*1024;
krishanprajapat 71:9193fbdaa3e1 443 debug_if(SD_DBG, "\n\rSDHC Card \n\rhc_c_size: %d\n\rcapacity: %lld \n\rsectors: %lld\n\r", hc_c_size, blocks*512, blocks);
krishanprajapat 71:9193fbdaa3e1 444 break;
krishanprajapat 71:9193fbdaa3e1 445
krishanprajapat 71:9193fbdaa3e1 446 default:
krishanprajapat 71:9193fbdaa3e1 447 debug("cs_sdD struct unsupported\r\n");
krishanprajapat 71:9193fbdaa3e1 448 return 0;
krishanprajapat 71:9193fbdaa3e1 449 };
krishanprajapat 71:9193fbdaa3e1 450 return blocks;
krishanprajapat 71:9193fbdaa3e1 451 }
krishanprajapat 71:9193fbdaa3e1 452
krishanprajapat 71:9193fbdaa3e1 453 int cmdx(int cmd, int arg)
krishanprajapat 71:9193fbdaa3e1 454 {
krishanprajapat 71:9193fbdaa3e1 455 cs_sd = 0;
krishanprajapat 71:9193fbdaa3e1 456
krishanprajapat 71:9193fbdaa3e1 457 // send a command
krishanprajapat 71:9193fbdaa3e1 458 spi.write(0x40 | cmd);
krishanprajapat 71:9193fbdaa3e1 459 spi.write(arg >> 24);
krishanprajapat 71:9193fbdaa3e1 460 spi.write(arg >> 16);
krishanprajapat 71:9193fbdaa3e1 461 spi.write(arg >> 8);
krishanprajapat 71:9193fbdaa3e1 462 spi.write(arg >> 0);
krishanprajapat 71:9193fbdaa3e1 463 spi.write(0x95);
krishanprajapat 71:9193fbdaa3e1 464
krishanprajapat 71:9193fbdaa3e1 465 // wait for the repsonse (response[7] == 0)
krishanprajapat 71:9193fbdaa3e1 466 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
krishanprajapat 71:9193fbdaa3e1 467 int response = spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 468 if (!(response & 0x80)) {
krishanprajapat 71:9193fbdaa3e1 469 return response;
krishanprajapat 71:9193fbdaa3e1 470 }
krishanprajapat 71:9193fbdaa3e1 471 }
krishanprajapat 71:9193fbdaa3e1 472 cs_sd = 1;
krishanprajapat 71:9193fbdaa3e1 473 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 474 return -1; // timeout
krishanprajapat 71:9193fbdaa3e1 475 }
krishanprajapat 71:9193fbdaa3e1 476
krishanprajapat 71:9193fbdaa3e1 477 static uint32_t ext_bits(unsigned char *data, int msb, int lsb)
krishanprajapat 71:9193fbdaa3e1 478 {
krishanprajapat 71:9193fbdaa3e1 479 uint32_t bits = 0;
krishanprajapat 71:9193fbdaa3e1 480 uint32_t size = 1 + msb - lsb;
krishanprajapat 71:9193fbdaa3e1 481 for (int i = 0; i < size; i++) {
krishanprajapat 71:9193fbdaa3e1 482 uint32_t position = lsb + i;
krishanprajapat 71:9193fbdaa3e1 483 uint32_t byte = 15 - (position >> 3);
krishanprajapat 71:9193fbdaa3e1 484 uint32_t bit = position & 0x7;
krishanprajapat 71:9193fbdaa3e1 485 uint32_t value = (data[byte] >> bit) & 1;
krishanprajapat 71:9193fbdaa3e1 486 bits |= value << i;
krishanprajapat 71:9193fbdaa3e1 487 }
krishanprajapat 71:9193fbdaa3e1 488 return bits;
krishanprajapat 71:9193fbdaa3e1 489 }
krishanprajapat 71:9193fbdaa3e1 490
krishanprajapat 71:9193fbdaa3e1 491 int disk_initialize()
krishanprajapat 71:9193fbdaa3e1 492 {
krishanprajapat 71:9193fbdaa3e1 493 int i = initialise_card();
krishanprajapat 71:9193fbdaa3e1 494 debug_if(SD_DBG, "init card = %d\n", i);
krishanprajapat 71:9193fbdaa3e1 495 sectors = sd_sectors();
krishanprajapat 71:9193fbdaa3e1 496
krishanprajapat 71:9193fbdaa3e1 497 // Set block length to 512 (CMD16)
krishanprajapat 71:9193fbdaa3e1 498 if (cmd(16, 512) != 0) {
krishanprajapat 71:9193fbdaa3e1 499 debug("\rSet 512-byte block timed out\r\n");
krishanprajapat 71:9193fbdaa3e1 500 return 1;
krishanprajapat 71:9193fbdaa3e1 501 } else {
krishanprajapat 71:9193fbdaa3e1 502 printf("\rDisk initialization successfull\r\n");
krishanprajapat 71:9193fbdaa3e1 503 }
krishanprajapat 71:9193fbdaa3e1 504
krishanprajapat 71:9193fbdaa3e1 505 spi.frequency(1000000); // Set to 1MHz for data transfer
krishanprajapat 71:9193fbdaa3e1 506 return 0;
krishanprajapat 71:9193fbdaa3e1 507 }
krishanprajapat 71:9193fbdaa3e1 508
krishanprajapat 71:9193fbdaa3e1 509 int disk_write(const uint8_t *buffer, uint64_t block_number)
krishanprajapat 71:9193fbdaa3e1 510
krishanprajapat 71:9193fbdaa3e1 511 {
krishanprajapat 71:9193fbdaa3e1 512 // set write address for single block (CMD24)
krishanprajapat 71:9193fbdaa3e1 513 if (cmd(24, block_number * cdv) != 0) {
krishanprajapat 71:9193fbdaa3e1 514 return 1;
krishanprajapat 71:9193fbdaa3e1 515 }
krishanprajapat 71:9193fbdaa3e1 516
krishanprajapat 71:9193fbdaa3e1 517 // send the data block
krishanprajapat 71:9193fbdaa3e1 518 write(buffer, 512);
krishanprajapat 71:9193fbdaa3e1 519 //printf("Written Successfully bro \n");
krishanprajapat 71:9193fbdaa3e1 520 return 0;
krishanprajapat 71:9193fbdaa3e1 521 }
krishanprajapat 71:9193fbdaa3e1 522
krishanprajapat 71:9193fbdaa3e1 523 int write(const uint8_t*buffer, uint32_t length)
krishanprajapat 71:9193fbdaa3e1 524 {
krishanprajapat 71:9193fbdaa3e1 525 cs_sd = 0;
krishanprajapat 71:9193fbdaa3e1 526
krishanprajapat 71:9193fbdaa3e1 527 // indicate start of block
krishanprajapat 71:9193fbdaa3e1 528 spi.write(0xFE);
krishanprajapat 71:9193fbdaa3e1 529
krishanprajapat 71:9193fbdaa3e1 530 // write the data
krishanprajapat 71:9193fbdaa3e1 531 for (int i = 0; i < length; i++) {
krishanprajapat 71:9193fbdaa3e1 532 spi.write(buffer[i]);
krishanprajapat 71:9193fbdaa3e1 533 }
krishanprajapat 71:9193fbdaa3e1 534
krishanprajapat 71:9193fbdaa3e1 535 // write the checksum
krishanprajapat 71:9193fbdaa3e1 536 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 537 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 538
krishanprajapat 71:9193fbdaa3e1 539 // check the response token
krishanprajapat 71:9193fbdaa3e1 540 if ((spi.write(0xFF) & 0x1F) != 0x05) {
krishanprajapat 71:9193fbdaa3e1 541 cs_sd = 1;
krishanprajapat 71:9193fbdaa3e1 542 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 543 return 1;
krishanprajapat 71:9193fbdaa3e1 544 }
krishanprajapat 71:9193fbdaa3e1 545
krishanprajapat 71:9193fbdaa3e1 546 // wait for write to finish
krishanprajapat 71:9193fbdaa3e1 547 while (spi.write(0xFF) == 0);
krishanprajapat 71:9193fbdaa3e1 548
krishanprajapat 71:9193fbdaa3e1 549 cs_sd = 1;
krishanprajapat 71:9193fbdaa3e1 550 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 551 return 0;
krishanprajapat 71:9193fbdaa3e1 552 }
krishanprajapat 71:9193fbdaa3e1 553
krishanprajapat 71:9193fbdaa3e1 554 int disk_read(uint8_t *buffer, uint64_t block_number)
krishanprajapat 71:9193fbdaa3e1 555 {
krishanprajapat 71:9193fbdaa3e1 556 // set read address for single block (CMD17)
krishanprajapat 71:9193fbdaa3e1 557 if (cmd(17, block_number * cdv) != 0) {
krishanprajapat 71:9193fbdaa3e1 558 return 1;
krishanprajapat 71:9193fbdaa3e1 559 }
krishanprajapat 71:9193fbdaa3e1 560
krishanprajapat 71:9193fbdaa3e1 561 // receive the data
krishanprajapat 71:9193fbdaa3e1 562 read(buffer, 512);
krishanprajapat 71:9193fbdaa3e1 563 return 0;
krishanprajapat 71:9193fbdaa3e1 564 }
krishanprajapat 71:9193fbdaa3e1 565
krishanprajapat 71:9193fbdaa3e1 566 int read(uint8_t *buffer, uint32_t length)
krishanprajapat 71:9193fbdaa3e1 567 {
krishanprajapat 71:9193fbdaa3e1 568 cs_sd = 0;
krishanprajapat 71:9193fbdaa3e1 569
krishanprajapat 71:9193fbdaa3e1 570 // read until start byte (0xFF)
krishanprajapat 71:9193fbdaa3e1 571 while (spi.write(0xFF) != 0xFE);
krishanprajapat 71:9193fbdaa3e1 572
krishanprajapat 71:9193fbdaa3e1 573 // read data
krishanprajapat 71:9193fbdaa3e1 574 for (int i = 0; i < length; i++) {
krishanprajapat 71:9193fbdaa3e1 575 buffer[i] = spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 576 }
krishanprajapat 71:9193fbdaa3e1 577 spi.write(0xFF); // checksum
krishanprajapat 71:9193fbdaa3e1 578 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 579
krishanprajapat 71:9193fbdaa3e1 580 cs_sd = 1;
krishanprajapat 71:9193fbdaa3e1 581 spi.write(0xFF);
krishanprajapat 71:9193fbdaa3e1 582 return 0;
krishanprajapat 71:9193fbdaa3e1 583 }
krishanprajapat 71:9193fbdaa3e1 584
krishanprajapat 71:9193fbdaa3e1 585 int disk_erase(int startBlock, int totalBlocks)
krishanprajapat 71:9193fbdaa3e1 586 {
krishanprajapat 71:9193fbdaa3e1 587 if(cmd(32, startBlock * cdv) != 0) {
krishanprajapat 71:9193fbdaa3e1 588 return 1;
krishanprajapat 71:9193fbdaa3e1 589 }
krishanprajapat 71:9193fbdaa3e1 590 if (cmd(33, (startBlock+totalBlocks-1) * cdv) != 0) {
krishanprajapat 71:9193fbdaa3e1 591 return 1;
krishanprajapat 71:9193fbdaa3e1 592 }
krishanprajapat 71:9193fbdaa3e1 593 if (cmd(38,0) != 0) {
krishanprajapat 71:9193fbdaa3e1 594 return 1;
krishanprajapat 71:9193fbdaa3e1 595 }
krishanprajapat 71:9193fbdaa3e1 596
krishanprajapat 71:9193fbdaa3e1 597 return 0; //normal return
krishanprajapat 71:9193fbdaa3e1 598 }