samp Srinivasan / Mbed 2 deprecated CDMS_CODE_samp_22Nov16

publishing to check changes in cdms code

Dependencies:   FreescaleIAP SimpleDMA mbed-rtos mbed

Fork of CDMS_CODE_samp_23SEP_DMA_flag by samp Srinivasan

cdms_sd.h@304:7cc4fe191a54, 2016-09-10 (annotated)

Committer:
chaithanyarss
Date:
Sat Sep 10 05:10:06 2016 +0000
Revision:
304:7cc4fe191a54
Parent:
303:b49b486a7107
Child:
306:7c3872365d58
no SD write and read

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ee12b079 86:a26f5f22631d 1 //SPI spi(PTE1, PTE3, PTE2); // MOSI,MISO, CLOCK microcontroller(in order)
ee12b079 86:a26f5f22631d 2 //DigitalOut cs_sd(PTE22);
ee12b079 86:a26f5f22631d 3
ee12b079 86:a26f5f22631d 4 //Serial sd1(USBTX,USBRX);
ee12b079 86:a26f5f22631d 5
ee12b079 86:a26f5f22631d 6
chaithanyarss 261:1e54415b34d3 7 #define SD_COMMAND_TIMEOUT 325
ee12b079 86:a26f5f22631d 8
ee12b079 86:a26f5f22631d 9 #define SD_DBG 0
ee12b079 86:a26f5f22631d 10
ee12b079 86:a26f5f22631d 11 #define R1_IDLE_STATE (1 << 0)
ee12b079 86:a26f5f22631d 12 #define R1_ERASE_RESET (1 << 1)
ee12b079 86:a26f5f22631d 13 #define R1_ILLEGAL_COMMAND (1 << 2)
ee12b079 86:a26f5f22631d 14 #define R1_COM_CRC_ERROR (1 << 3)
ee12b079 86:a26f5f22631d 15 #define R1_ERASE_SEQUENCE_ERROR (1 << 4)
ee12b079 86:a26f5f22631d 16 #define R1_ADDRESS_ERROR (1 << 5)
ee12b079 86:a26f5f22631d 17 #define R1_PARAMETER_ERROR (1 << 6)
ee12b079 86:a26f5f22631d 18
ee12b079 86:a26f5f22631d 19
ee12b079 86:a26f5f22631d 20
ee12b079 86:a26f5f22631d 21 #define SD_MAX_CYCLES 10000
ee12b079 86:a26f5f22631d 22
ee12b079 194:ab528911780d 23 uint32_t SD_SCP_FIRST=1001;
ee12b079 194:ab528911780d 24 uint32_t SD_SCP_LAST=2000;
ee12b079 194:ab528911780d 25 uint32_t SD_SFF_AT_FIRST=2001;
ee12b079 194:ab528911780d 26 uint32_t SD_SFF_AT_LAST = 3000;
ee12b079 194:ab528911780d 27 uint32_t SD_SFF_BT_FIRST =3001;
ee12b079 194:ab528911780d 28 uint32_t SD_SFF_BT_LAST=4000;
ee12b079 194:ab528911780d 29 uint32_t SD_HK_ARCH_FIRST=4001;
ee12b079 194:ab528911780d 30 uint32_t SD_HK_ARCH_LAST= 5000;
ee12b079 194:ab528911780d 31 uint32_t LOG_FIRST =5001;
ee12b079 194:ab528911780d 32 uint32_t LOG_LAST=6000;
chaithanyarss 303:b49b486a7107 33 uint32_t SD_MNG_SECT=8000;
ee12b079 86:a26f5f22631d 34
ee12b079 194:ab528911780d 35 extern uint8_t SD_INIT_FLAGS;
ee12b079 86:a26f5f22631d 36
ee12b079 86:a26f5f22631d 37 int initialise_card();
ee12b079 86:a26f5f22631d 38 int initialise_card_v1();
ee12b079 86:a26f5f22631d 39 int initialise_card_v2();
ee12b079 86:a26f5f22631d 40 int disk_write(const uint8_t *, uint64_t);
ee12b079 86:a26f5f22631d 41 int disk_read(uint8_t *, uint64_t);
ee12b079 86:a26f5f22631d 42 int disk_erase(int,int);
ee12b079 209:63e9c8f8b5d2 43 int disk_read_statusbits(uint8_t *);
ee12b079 86:a26f5f22631d 44
ee12b079 209:63e9c8f8b5d2 45 void FCTN_SD_MNG();
ee12b079 194:ab528911780d 46 int INCREMENT_SD_LIB(uint8_t);
ee12b079 86:a26f5f22631d 47
ee12b079 86:a26f5f22631d 48
ee12b079 86:a26f5f22631d 49 int cmd(int, int);
ee12b079 86:a26f5f22631d 50 int cmd58();
ee12b079 86:a26f5f22631d 51 int cmdx(int, int);
ee12b079 86:a26f5f22631d 52 int cmd8();
ee12b079 86:a26f5f22631d 53 int read(uint8_t*, uint32_t );
ee12b079 86:a26f5f22631d 54 int write(const uint8_t*, uint32_t );
ee12b079 86:a26f5f22631d 55 static uint32_t ext_bits(unsigned char *, int , int );
ee12b079 92:bce22b38c440 56 int SD_WRITE(uint8_t*,uint32_t,uint8_t);
ee12b079 194:ab528911780d 57 int FCTN_CDMS_SD_INIT();
ee12b079 195:6a549c0e9287 58 uint8_t SD_READ(uint8_t*,uint32_t,uint8_t);
chaithanyarss 261:1e54415b34d3 59 #define SDCARD_FAIL 4
ee12b079 86:a26f5f22631d 60 #define SDCARD_V1 1
ee12b079 86:a26f5f22631d 61 #define SDCARD_V2 2
ee12b079 86:a26f5f22631d 62 #define SDCARD_V2HC 3
ee12b079 86:a26f5f22631d 63
ee12b079 86:a26f5f22631d 64 int cdv;
ee12b079 86:a26f5f22631d 65 uint64_t sd_sectors();
ee12b079 86:a26f5f22631d 66 uint64_t sectors;
ee12b079 86:a26f5f22631d 67
ee12b079 194:ab528911780d 68 int FCTN_CDMS_SD_INIT()
ee12b079 194:ab528911780d 69 {
ee12b079 194:ab528911780d 70 int i = initialise_card();
chaithanyarss 261:1e54415b34d3 71 if( i == 4)
chaithanyarss 261:1e54415b34d3 72 return 4;
ee12b079 194:ab528911780d 73 debug_if(SD_DBG, "init card = %d\n", i);
ee12b079 194:ab528911780d 74 sectors = sd_sectors();
ee12b079 194:ab528911780d 75
ee12b079 194:ab528911780d 76 // Set block length to 512 (CMD16)
ee12b079 194:ab528911780d 77 if (cmd(16, 512) != 0) {
ee12b079 194:ab528911780d 78 debug("\rSet 512-byte block timed out\r\n");
ee12b079 194:ab528911780d 79 return 1;
ee12b079 194:ab528911780d 80 } else {
ee12b079 194:ab528911780d 81 //printf("\rDisk initialization successfull\r\n");
ee12b079 194:ab528911780d 82 }
chaithanyarss 261:1e54415b34d3 83 SD_STATUS = DEVICE_POWERED;
ee12b079 194:ab528911780d 84 spi.frequency(1000000); // Set to 1MHz for data transfer
ee12b079 194:ab528911780d 85 return 0;
ee12b079 86:a26f5f22631d 86 }
ee12b079 86:a26f5f22631d 87
ee12b079 209:63e9c8f8b5d2 88 void FCTN_SD_MNGR()
ee12b079 86:a26f5f22631d 89 {
ee12b079 92:bce22b38c440 90 uint32_t fsc;
ee12b079 194:ab528911780d 91 uint32_t start_fsc;
ee12b079 92:bce22b38c440 92 uint8_t buffer[512];
chaithanyarss 261:1e54415b34d3 93 int b;
chaithanyarss 261:1e54415b34d3 94 if(SD_STATUS == DEVICE_POWERED){
chaithanyarss 261:1e54415b34d3 95 b=disk_read(buffer, SD_MNG_SECT);
ee12b079 195:6a549c0e9287 96
ee12b079 195:6a549c0e9287 97 fsc=(uint32_t)(buffer[0]<<24)+(uint32_t)(buffer[1]<<16)+(uint32_t)(buffer[2]<<8)+(uint32_t)buffer[3];
ee12b079 195:6a549c0e9287 98 start_fsc=(uint32_t)(buffer[4]<<24)+(uint32_t)(buffer[5]<<16)+(uint32_t)(buffer[6]<<8)+(uint32_t)buffer[7];
ee12b079 195:6a549c0e9287 99 FSC_CURRENT[1] = fsc;
ee12b079 195:6a549c0e9287 100 FSC_LAST[1] = start_fsc;
ee12b079 209:63e9c8f8b5d2 101
ee12b079 195:6a549c0e9287 102 fsc=(uint32_t)(buffer[8]<<24)+(uint32_t)(buffer[9]<<16)+(uint32_t)(buffer[10]<<8)+(uint32_t)buffer[11];
ee12b079 195:6a549c0e9287 103 start_fsc=(uint32_t)(buffer[12]<<24)+(uint32_t)(buffer[13]<<16)+(uint32_t)(buffer[14]<<8)+(uint32_t)buffer[15];
ee12b079 195:6a549c0e9287 104 FSC_CURRENT[2] = fsc;
ee12b079 195:6a549c0e9287 105 FSC_LAST[2] = start_fsc;
ee12b079 195:6a549c0e9287 106
ee12b079 195:6a549c0e9287 107 fsc=(uint32_t)(buffer[16]<<24)+(uint32_t)(buffer[17]<<16)+(uint32_t)(buffer[18]<<8)+(uint32_t)buffer[19];
ee12b079 195:6a549c0e9287 108 start_fsc=(uint32_t)(buffer[20]<<24)+(uint32_t)(buffer[21]<<16)+(uint32_t)(buffer[22]<<8)+(uint32_t)buffer[23];
ee12b079 195:6a549c0e9287 109 FSC_CURRENT[3] = fsc;
ee12b079 195:6a549c0e9287 110 FSC_LAST[3] = start_fsc;
ee12b079 209:63e9c8f8b5d2 111
ee12b079 195:6a549c0e9287 112 fsc=(uint32_t)(buffer[24]<<24)+(uint32_t)(buffer[25]<<16)+(uint32_t)(buffer[26]<<8)+(uint32_t)buffer[27];
ee12b079 195:6a549c0e9287 113 start_fsc=(uint32_t)(buffer[28]<<24)+(uint32_t)(buffer[29]<<16)+(uint32_t)(buffer[30]<<8)+(uint32_t)buffer[31];
ee12b079 195:6a549c0e9287 114 FSC_CURRENT[4] = fsc;
ee12b079 195:6a549c0e9287 115 FSC_LAST[4] = start_fsc;
ee12b079 209:63e9c8f8b5d2 116
ee12b079 195:6a549c0e9287 117 fsc=(uint32_t)(buffer[32]<<24)+(uint32_t)(buffer[33]<<16)+(uint32_t)(buffer[34]<<8)+(uint32_t)buffer[35];
ee12b079 195:6a549c0e9287 118 start_fsc=(uint32_t)(buffer[36]<<24)+(uint32_t)(buffer[37]<<16)+(uint32_t)(buffer[38]<<8)+(uint32_t)buffer[39];
ee12b079 195:6a549c0e9287 119 FSC_CURRENT[5] = fsc;
ee12b079 195:6a549c0e9287 120 FSC_LAST[5] = start_fsc;
chaithanyarss 261:1e54415b34d3 121 }
ee12b079 194:ab528911780d 122 }
ee12b079 194:ab528911780d 123
ee12b079 194:ab528911780d 124 int INCREMENT_SD_LIB(uint8_t sid)
ee12b079 194:ab528911780d 125 {
ee12b079 194:ab528911780d 126 uint32_t fsc;
ee12b079 194:ab528911780d 127 uint32_t start_fsc;
ee12b079 209:63e9c8f8b5d2 128 int i;
ee12b079 194:ab528911780d 129 uint8_t buffer[512];
ee12b079 209:63e9c8f8b5d2 130 SD_MNG_SECT += SD_LIB_WRITES/(int)0xFFFF;
ee12b079 209:63e9c8f8b5d2 131 SD_LIB_WRITES = SD_LIB_WRITES%(int)0xFFFF;
ee12b079 194:ab528911780d 132 disk_read(buffer,SD_MNG_SECT);
ee12b079 194:ab528911780d 133 if(sid==0x01)
ee12b079 86:a26f5f22631d 134 {
ee12b079 194:ab528911780d 135 fsc=(uint32_t)(buffer[0]<<24)+(uint32_t)(buffer[1]<<16)+(uint32_t)(buffer[2]<<8)+(uint32_t)buffer[3];
ee12b079 194:ab528911780d 136 start_fsc=(uint32_t)(buffer[4]<<24)+(uint32_t)(buffer[5]<<16)+(uint32_t)(buffer[6]<<8)+(uint32_t)buffer[7];
ee12b079 203:424308159a56 137 fsc++;
ee12b079 194:ab528911780d 138 buffer[0]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 139 buffer[1]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 140 buffer[2]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 141 buffer[3]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 142 if(fsc > SD_SCP_LAST-SD_SCP_FIRST+1)
ee12b079 194:ab528911780d 143 {
ee12b079 194:ab528911780d 144 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 145 buffer[4]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 146 buffer[5]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 147 buffer[6]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 148 buffer[7]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 149 }
ee12b079 209:63e9c8f8b5d2 150
ee12b079 203:424308159a56 151 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 152 if(i == 0)
ee12b079 209:63e9c8f8b5d2 153 {
ee12b079 209:63e9c8f8b5d2 154 FSC_CURRENT[1] = fsc;
ee12b079 209:63e9c8f8b5d2 155 FSC_LAST[1] = start_fsc;
ee12b079 209:63e9c8f8b5d2 156 return i;
ee12b079 209:63e9c8f8b5d2 157 }
ee12b079 86:a26f5f22631d 158 }
ee12b079 194:ab528911780d 159 if(sid==0x02)
ee12b079 86:a26f5f22631d 160 {
ee12b079 92:bce22b38c440 161 fsc=(uint32_t)(buffer[8]<<24)+(uint32_t)(buffer[9]<<16)+(uint32_t)(buffer[10]<<8)+(uint32_t)buffer[11];
ee12b079 194:ab528911780d 162 start_fsc=(uint32_t)(buffer[12]<<24)+(uint32_t)(buffer[13]<<16)+(uint32_t)(buffer[14]<<8)+(uint32_t)buffer[15];
ee12b079 203:424308159a56 163 fsc++;
ee12b079 194:ab528911780d 164 buffer[8]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 165 buffer[9]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 166 buffer[10]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 167 buffer[11]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 168 if(fsc > SD_SFF_AT_LAST-SD_SFF_AT_FIRST+1)
ee12b079 194:ab528911780d 169 {
ee12b079 194:ab528911780d 170 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 171 buffer[12]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 172 buffer[13]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 173 buffer[14]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 174 buffer[15]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 175 }
ee12b079 203:424308159a56 176 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 177 if(i == 0)
ee12b079 209:63e9c8f8b5d2 178 {
ee12b079 209:63e9c8f8b5d2 179 FSC_CURRENT[2] = fsc;
ee12b079 209:63e9c8f8b5d2 180 FSC_LAST[2] = start_fsc;
ee12b079 209:63e9c8f8b5d2 181 return i;
ee12b079 209:63e9c8f8b5d2 182 }
ee12b079 86:a26f5f22631d 183 }
ee12b079 194:ab528911780d 184 if(sid==0x03)
ee12b079 86:a26f5f22631d 185 {
ee12b079 92:bce22b38c440 186 fsc=(uint32_t)(buffer[16]<<24)+(uint32_t)(buffer[17]<<16)+(uint32_t)(buffer[18]<<8)+(uint32_t)buffer[19];
ee12b079 194:ab528911780d 187 start_fsc=(uint32_t)(buffer[20]<<24)+(uint32_t)(buffer[21]<<16)+(uint32_t)(buffer[22]<<8)+(uint32_t)buffer[23];
ee12b079 203:424308159a56 188 fsc++;
ee12b079 194:ab528911780d 189 buffer[16]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 190 buffer[17]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 191 buffer[18]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 192 buffer[19]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 193 if(fsc > SD_SFF_BT_LAST-SD_SFF_BT_FIRST+1)
ee12b079 194:ab528911780d 194 {
ee12b079 194:ab528911780d 195 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 196 buffer[20]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 197 buffer[21]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 198 buffer[22]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 199 buffer[23]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 200 }
ee12b079 203:424308159a56 201 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 202 if(i == 0)
ee12b079 209:63e9c8f8b5d2 203 {
ee12b079 209:63e9c8f8b5d2 204 FSC_CURRENT[3] = fsc;
ee12b079 209:63e9c8f8b5d2 205 FSC_LAST[3] = start_fsc;
ee12b079 209:63e9c8f8b5d2 206 return i;
ee12b079 209:63e9c8f8b5d2 207 }
ee12b079 86:a26f5f22631d 208 }
ee12b079 194:ab528911780d 209 if(sid==0x04)
ee12b079 194:ab528911780d 210 {
ee12b079 194:ab528911780d 211 fsc=(uint32_t)(buffer[24]<<24)+(uint32_t)(buffer[25]<<16)+(uint32_t)(buffer[26]<<8)+(uint32_t)buffer[27];
ee12b079 194:ab528911780d 212 start_fsc=(uint32_t)(buffer[28]<<24)+(uint32_t)(buffer[29]<<16)+(uint32_t)(buffer[30]<<8)+(uint32_t)buffer[31];
ee12b079 203:424308159a56 213 fsc++;
ee12b079 194:ab528911780d 214 buffer[24]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 215 buffer[25]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 216 buffer[26]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 217 buffer[27]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 218 if(fsc > SD_HK_ARCH_LAST-SD_HK_ARCH_FIRST+1)
ee12b079 194:ab528911780d 219 {
ee12b079 194:ab528911780d 220 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 221 buffer[28]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 222 buffer[29]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 223 buffer[30]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 224 buffer[31]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 225 }
ee12b079 203:424308159a56 226 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 227 if(i == 0)
ee12b079 209:63e9c8f8b5d2 228 {
ee12b079 209:63e9c8f8b5d2 229 FSC_CURRENT[4] = fsc;
ee12b079 209:63e9c8f8b5d2 230 FSC_LAST[4] = start_fsc;
ee12b079 209:63e9c8f8b5d2 231 return i;
ee12b079 209:63e9c8f8b5d2 232 }
ee12b079 194:ab528911780d 233 }
ee12b079 194:ab528911780d 234 if(sid==0x05)
ee12b079 194:ab528911780d 235 {
ee12b079 194:ab528911780d 236 fsc=(uint32_t)(buffer[32]<<24)+(uint32_t)(buffer[33]<<16)+(uint32_t)(buffer[34]<<8)+(uint32_t)buffer[35];
ee12b079 194:ab528911780d 237 start_fsc=(uint32_t)(buffer[36]<<24)+(uint32_t)(buffer[37]<<16)+(uint32_t)(buffer[38]<<8)+(uint32_t)buffer[39];
ee12b079 203:424308159a56 238 fsc++;
ee12b079 194:ab528911780d 239 buffer[32]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 240 buffer[33]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 241 buffer[34]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 242 buffer[35]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 243 if(fsc > LOG_LAST-LOG_FIRST+1)
ee12b079 194:ab528911780d 244 {
ee12b079 194:ab528911780d 245 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 246 buffer[36]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 247 buffer[37]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 248 buffer[38]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 249 buffer[39]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 250 }
ee12b079 203:424308159a56 251 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 252 if(i == 0)
ee12b079 209:63e9c8f8b5d2 253 {
ee12b079 209:63e9c8f8b5d2 254 FSC_CURRENT[5] = fsc;
ee12b079 209:63e9c8f8b5d2 255 FSC_LAST[5] = start_fsc;
ee12b079 209:63e9c8f8b5d2 256 return i;
ee12b079 209:63e9c8f8b5d2 257 }
ee12b079 194:ab528911780d 258 }
ee12b079 194:ab528911780d 259 return -1;
ee12b079 86:a26f5f22631d 260 }
ee12b079 86:a26f5f22631d 261
ee12b079 86:a26f5f22631d 262
ee12b079 92:bce22b38c440 263 int SD_WRITE(uint8_t* buffer,uint32_t fsc,uint8_t sid)
ee12b079 86:a26f5f22631d 264 {
chaithanyarss 304:7cc4fe191a54 265 /*uint32_t block_number;
ee12b079 194:ab528911780d 266 int result = 10;
chaithanyarss 261:1e54415b34d3 267 if(SD_STATUS == DEVICE_POWERED){
ee12b079 194:ab528911780d 268 if(sid==0x01)
ee12b079 86:a26f5f22631d 269 {
ee12b079 194:ab528911780d 270 //block_number=SD_SCP_FIRST+(fsc%(SD_SCP_LAST-SD_SCP_FIRST+1))-1;
ee12b079 92:bce22b38c440 271 block_number=SD_SCP_FIRST+fsc;
ee12b079 86:a26f5f22631d 272 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 273 if(result == 0)
ee12b079 209:63e9c8f8b5d2 274 {
ee12b079 209:63e9c8f8b5d2 275 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 276 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 277 }
ee12b079 194:ab528911780d 278 return result;
ee12b079 194:ab528911780d 279 }
ee12b079 194:ab528911780d 280 if(sid==0x02)
ee12b079 194:ab528911780d 281 {
ee12b079 194:ab528911780d 282 //block_number= SD_SFF_AT_FIRST+(fsc%(SD_SFF_AT_LAST - SD_SFF_AT_FIRST+1))-1;
ee12b079 194:ab528911780d 283 block_number= SD_SFF_AT_FIRST+fsc;
ee12b079 194:ab528911780d 284 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 285 if(result == 0)
ee12b079 209:63e9c8f8b5d2 286 {
ee12b079 209:63e9c8f8b5d2 287 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 288 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 289 }
ee12b079 86:a26f5f22631d 290 return result;
ee12b079 86:a26f5f22631d 291 }
ee12b079 194:ab528911780d 292 if(sid==0x03)
ee12b079 86:a26f5f22631d 293 {
ee12b079 194:ab528911780d 294 //block_number= SD_SFF_BT_FIRST +(fsc%(SD_SFF_BT_LAST - SD_SFF_BT_FIRST +1))-1;
ee12b079 194:ab528911780d 295 block_number= SD_SFF_BT_FIRST +fsc;
ee12b079 86:a26f5f22631d 296 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 297 if(result == 0)
ee12b079 209:63e9c8f8b5d2 298 {
ee12b079 209:63e9c8f8b5d2 299 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 300 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 301 }
ee12b079 86:a26f5f22631d 302 return result;
ee12b079 86:a26f5f22631d 303 }
ee12b079 194:ab528911780d 304 if(sid==0x04)
ee12b079 86:a26f5f22631d 305 {
ee12b079 194:ab528911780d 306 //block_number=SD_HK_ARCH_FIRST +(fsc%(SD_HK_ARCH_LAST - SD_HK_ARCH_FIRST +1))-1;
ee12b079 194:ab528911780d 307 block_number=SD_HK_ARCH_FIRST +fsc;
ee12b079 86:a26f5f22631d 308 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 309 if(result == 0)
ee12b079 209:63e9c8f8b5d2 310 {
ee12b079 209:63e9c8f8b5d2 311 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 312 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 313 }
ee12b079 86:a26f5f22631d 314 return result;
ee12b079 86:a26f5f22631d 315 }
ee12b079 194:ab528911780d 316 if(sid==0x05)
ee12b079 86:a26f5f22631d 317 {
ee12b079 194:ab528911780d 318 //block_number= LOG_FIRST +(fsc%(LOG_FIRST - LOG_FIRST +1))-1;
ee12b079 194:ab528911780d 319 block_number= LOG_FIRST +fsc;
ee12b079 86:a26f5f22631d 320 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 321 if(result == 0)
ee12b079 209:63e9c8f8b5d2 322 {
ee12b079 209:63e9c8f8b5d2 323 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 324 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 325 }
ee12b079 86:a26f5f22631d 326 return result;
ee12b079 86:a26f5f22631d 327 }
chaithanyarss 304:7cc4fe191a54 328 }*/
ee12b079 86:a26f5f22631d 329 return 1;
ee12b079 86:a26f5f22631d 330 }
ee12b079 86:a26f5f22631d 331
ee12b079 195:6a549c0e9287 332 uint8_t SD_READ(uint8_t* buffer,uint32_t fsc,uint8_t sid)
ee12b079 86:a26f5f22631d 333 {
chaithanyarss 304:7cc4fe191a54 334 /*FCTN_SD_MNGR();
ee12b079 209:63e9c8f8b5d2 335 uint32_t block_number;
ee12b079 209:63e9c8f8b5d2 336 int result;
ee12b079 295:699801854b71 337 //if(SD_SW_EN_DS == 1)
ee12b079 295:699801854b71 338 // return 0x89;
ee12b079 194:ab528911780d 339 if(sid==0x01)
ee12b079 86:a26f5f22631d 340 {
ee12b079 195:6a549c0e9287 341 if(!(FSC_LAST[1]<=fsc && fsc<=FSC_CURRENT[1])){
ee12b079 195:6a549c0e9287 342 return 0x86;
ee12b079 195:6a549c0e9287 343 }
ee12b079 92:bce22b38c440 344 block_number=SD_SCP_FIRST + fsc;
ee12b079 86:a26f5f22631d 345 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 346 }
ee12b079 194:ab528911780d 347 else if(sid==0x02)
ee12b079 86:a26f5f22631d 348 {
ee12b079 195:6a549c0e9287 349 if(!(FSC_LAST[2]<=fsc && fsc<=FSC_CURRENT[2])){
ee12b079 195:6a549c0e9287 350 return 0x86;
ee12b079 195:6a549c0e9287 351 }
ee12b079 86:a26f5f22631d 352 block_number=SD_SFF_AT_FIRST + fsc;
ee12b079 86:a26f5f22631d 353 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 354 }
ee12b079 194:ab528911780d 355 else if(sid==0x03)
ee12b079 86:a26f5f22631d 356 {
ee12b079 195:6a549c0e9287 357 if(!(FSC_LAST[3]<=fsc && fsc<=FSC_CURRENT[3])){
ee12b079 195:6a549c0e9287 358 return 0x86;
ee12b079 195:6a549c0e9287 359 }
ee12b079 86:a26f5f22631d 360 block_number=SD_SFF_BT_FIRST + fsc;
ee12b079 86:a26f5f22631d 361 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 362 }
ee12b079 194:ab528911780d 363 else if(sid==0x04)
ee12b079 86:a26f5f22631d 364 {
ee12b079 195:6a549c0e9287 365 if(!(FSC_LAST[4]<=fsc && fsc<=FSC_CURRENT[4])){
ee12b079 195:6a549c0e9287 366 return 0x86;
ee12b079 195:6a549c0e9287 367 }
ee12b079 86:a26f5f22631d 368 block_number=SD_HK_ARCH_FIRST + fsc;
ee12b079 86:a26f5f22631d 369 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 370 }
ee12b079 194:ab528911780d 371 else if(sid==0x05)
ee12b079 86:a26f5f22631d 372 {
ee12b079 195:6a549c0e9287 373 if(!(FSC_LAST[5]<=fsc && fsc<=FSC_CURRENT[5])){
ee12b079 195:6a549c0e9287 374 return 0x86;
ee12b079 195:6a549c0e9287 375 }
ee12b079 86:a26f5f22631d 376 block_number=LOG_FIRST +fsc;
ee12b079 86:a26f5f22631d 377 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 378 }
ee12b079 86:a26f5f22631d 379 else
ee12b079 86:a26f5f22631d 380 {
ee12b079 195:6a549c0e9287 381 return 0x02;
ee12b079 86:a26f5f22631d 382 }
ee12b079 195:6a549c0e9287 383 if(result == 0)
ee12b079 195:6a549c0e9287 384 return 0xA0;
ee12b079 195:6a549c0e9287 385 else
chaithanyarss 304:7cc4fe191a54 386 return 0x88;*/
chaithanyarss 304:7cc4fe191a54 387 return 0xA0;
ee12b079 86:a26f5f22631d 388 }
ee12b079 86:a26f5f22631d 389
ee12b079 86:a26f5f22631d 390
ee12b079 86:a26f5f22631d 391 int initialise_card()
ee12b079 86:a26f5f22631d 392 {
ee12b079 86:a26f5f22631d 393 // Set to 100kHz for initialisation, and clock card with cs_sd = 1
ee12b079 86:a26f5f22631d 394 spi.frequency(100000); // changed on 31 12 2015 to 1 MHz
ee12b079 86:a26f5f22631d 395 cs_sd = 1;
ee12b079 86:a26f5f22631d 396 for (int i = 0; i < 16; i++) {
ee12b079 86:a26f5f22631d 397 spi.write(0xFF);
ee12b079 86:a26f5f22631d 398 }
ee12b079 194:ab528911780d 399 uint8_t R1_response = cmd(0,0);
ee12b079 194:ab528911780d 400 gPC.printf("0x%02X",R1_response);
ee12b079 86:a26f5f22631d 401 // send CMD0, should return with all zeros except IDLE STATE set (bit 0)
ee12b079 194:ab528911780d 402 if (R1_response != R1_IDLE_STATE) {
ee12b079 86:a26f5f22631d 403 debug("No disk, or could not put SD card in to spi idle state\r\n");
ee12b079 86:a26f5f22631d 404 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 405 }
ee12b079 194:ab528911780d 406 else
ee12b079 194:ab528911780d 407 gPC.puts("SD Card is in IDLE state\n\r");
ee12b079 86:a26f5f22631d 408
ee12b079 194:ab528911780d 409 // send CMD8 to determine whther it is ver 2.x
ee12b079 86:a26f5f22631d 410 int r = cmd8();
ee12b079 86:a26f5f22631d 411 if (r == R1_IDLE_STATE) {
ee12b079 194:ab528911780d 412 gPC.puts("Entering V2\r");
ee12b079 194:ab528911780d 413 int q = initialise_card_v2();
ee12b079 194:ab528911780d 414 return q;
ee12b079 86:a26f5f22631d 415
ee12b079 86:a26f5f22631d 416 } else if (r == (R1_IDLE_STATE | R1_ILLEGAL_COMMAND)) {
ee12b079 194:ab528911780d 417 gPC.puts("Entering V1");
ee12b079 86:a26f5f22631d 418 return initialise_card_v1();
ee12b079 86:a26f5f22631d 419
ee12b079 86:a26f5f22631d 420 } else {
ee12b079 86:a26f5f22631d 421 debug("\rNot in idle state after sending CMD8 (not an SD card?)\r\n");
ee12b079 86:a26f5f22631d 422 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 423 }
ee12b079 86:a26f5f22631d 424 }
ee12b079 86:a26f5f22631d 425
ee12b079 86:a26f5f22631d 426 int initialise_card_v1()
ee12b079 86:a26f5f22631d 427 {
ee12b079 86:a26f5f22631d 428 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 429 cmd(55, 0);
ee12b079 86:a26f5f22631d 430 if (cmd(41, 0) == 0) {
ee12b079 96:4ca92f9775e0 431 gPC.puts("\rv1 initialization successfull\r\n");
ee12b079 86:a26f5f22631d 432 cdv = 512;
ee12b079 86:a26f5f22631d 433 debug_if(SD_DBG, "\n\rInit: SEDCARD_V1\n\r");
ee12b079 86:a26f5f22631d 434
ee12b079 86:a26f5f22631d 435 return SDCARD_V1;
ee12b079 86:a26f5f22631d 436 }
ee12b079 86:a26f5f22631d 437 }
ee12b079 86:a26f5f22631d 438
ee12b079 86:a26f5f22631d 439 debug("\rTimeout waiting for v1.x card\r\n");
ee12b079 86:a26f5f22631d 440 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 441 }
ee12b079 86:a26f5f22631d 442
ee12b079 86:a26f5f22631d 443
ee12b079 86:a26f5f22631d 444 int initialise_card_v2()
ee12b079 86:a26f5f22631d 445 {
ee12b079 86:a26f5f22631d 446 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 447 wait_ms(50);
ee12b079 86:a26f5f22631d 448 cmd58();
ee12b079 86:a26f5f22631d 449 cmd(55, 0);
ee12b079 86:a26f5f22631d 450 if (cmd(41, 0x40000000) == 0) {
ee12b079 194:ab528911780d 451 if (DEBUG)
ee12b079 194:ab528911780d 452 gPC.puts("\rv2 initialization successfull\r\n");
ee12b079 86:a26f5f22631d 453 cmd58();
ee12b079 86:a26f5f22631d 454 debug_if(SD_DBG, "\n\rInit: SDCARD_V2\n\r");
ee12b079 86:a26f5f22631d 455 cdv = 1;
ee12b079 86:a26f5f22631d 456 return SDCARD_V2;
ee12b079 86:a26f5f22631d 457 }
ee12b079 86:a26f5f22631d 458 }
ee12b079 86:a26f5f22631d 459
ee12b079 86:a26f5f22631d 460 debug("\rTimeout waiting for v2.x card\r\n");
ee12b079 86:a26f5f22631d 461 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 462 }
ee12b079 86:a26f5f22631d 463
ee12b079 86:a26f5f22631d 464 int cmd(int cmd, int arg)
ee12b079 86:a26f5f22631d 465 {
ee12b079 86:a26f5f22631d 466 cs_sd = 0;
ee12b079 86:a26f5f22631d 467
ee12b079 86:a26f5f22631d 468 // send a command
ee12b079 86:a26f5f22631d 469 spi.write(0x40 | cmd);
ee12b079 86:a26f5f22631d 470 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 471 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 472 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 473 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 474 spi.write(0x95);
ee12b079 86:a26f5f22631d 475
ee12b079 86:a26f5f22631d 476 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 477 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 478 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 479 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 480 cs_sd = 1;
ee12b079 86:a26f5f22631d 481 spi.write(0xFF);
ee12b079 86:a26f5f22631d 482 return response;
ee12b079 86:a26f5f22631d 483 }
ee12b079 86:a26f5f22631d 484 }
ee12b079 86:a26f5f22631d 485 cs_sd = 1;
ee12b079 86:a26f5f22631d 486 spi.write(0xFF);
ee12b079 86:a26f5f22631d 487 return -1; // timeout
ee12b079 86:a26f5f22631d 488 }
ee12b079 86:a26f5f22631d 489
ee12b079 86:a26f5f22631d 490
ee12b079 86:a26f5f22631d 491 int cmd58()
ee12b079 86:a26f5f22631d 492 {
ee12b079 86:a26f5f22631d 493 cs_sd = 0;
ee12b079 86:a26f5f22631d 494 int arg = 0;
ee12b079 86:a26f5f22631d 495
ee12b079 86:a26f5f22631d 496 // send a command
ee12b079 86:a26f5f22631d 497 spi.write(0x40 | 58);
ee12b079 86:a26f5f22631d 498 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 499 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 500 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 501 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 502 spi.write(0x95);
ee12b079 86:a26f5f22631d 503
ee12b079 86:a26f5f22631d 504 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 505 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 506 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 507 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 508 int ocr = spi.write(0xFF) << 24;
ee12b079 86:a26f5f22631d 509 ocr |= spi.write(0xFF) << 16;
ee12b079 86:a26f5f22631d 510 ocr |= spi.write(0xFF) << 8;
ee12b079 86:a26f5f22631d 511 ocr |= spi.write(0xFF) << 0;
ee12b079 86:a26f5f22631d 512 cs_sd = 1;
ee12b079 86:a26f5f22631d 513 spi.write(0xFF);
ee12b079 86:a26f5f22631d 514 return response;
ee12b079 86:a26f5f22631d 515 }
ee12b079 86:a26f5f22631d 516 }
ee12b079 86:a26f5f22631d 517 cs_sd = 1;
ee12b079 86:a26f5f22631d 518 spi.write(0xFF);
ee12b079 86:a26f5f22631d 519 return -1; // timeout
ee12b079 86:a26f5f22631d 520 }
ee12b079 86:a26f5f22631d 521
ee12b079 86:a26f5f22631d 522
ee12b079 86:a26f5f22631d 523 int cmd8()
ee12b079 86:a26f5f22631d 524 {
ee12b079 86:a26f5f22631d 525 cs_sd = 0;
ee12b079 86:a26f5f22631d 526
ee12b079 86:a26f5f22631d 527 // send a command
ee12b079 86:a26f5f22631d 528 spi.write(0x40 | 8); // CMD8
ee12b079 86:a26f5f22631d 529 spi.write(0x00); // reserved
ee12b079 86:a26f5f22631d 530 spi.write(0x00); // reserved
ee12b079 86:a26f5f22631d 531 spi.write(0x01); // 3.3v
ee12b079 86:a26f5f22631d 532 spi.write(0xAA); // check pattern
ee12b079 86:a26f5f22631d 533 spi.write(0x87); // crc
ee12b079 86:a26f5f22631d 534
ee12b079 86:a26f5f22631d 535 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 536 for (int i = 0; i < SD_COMMAND_TIMEOUT * 1000; i++) {
ee12b079 86:a26f5f22631d 537 char response[5];
ee12b079 86:a26f5f22631d 538 response[0] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 539 if (!(response[0] & 0x80)) {
ee12b079 86:a26f5f22631d 540 for (int j = 1; j < 5; j++) {
ee12b079 86:a26f5f22631d 541 response[i] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 542 }
ee12b079 86:a26f5f22631d 543 cs_sd = 1;
ee12b079 86:a26f5f22631d 544 spi.write(0xFF);
ee12b079 86:a26f5f22631d 545 return response[0];
ee12b079 86:a26f5f22631d 546 }
ee12b079 86:a26f5f22631d 547 }
ee12b079 86:a26f5f22631d 548 cs_sd = 1;
ee12b079 86:a26f5f22631d 549 spi.write(0xFF);
ee12b079 86:a26f5f22631d 550 return -1; // timeout
ee12b079 86:a26f5f22631d 551 }
ee12b079 86:a26f5f22631d 552
ee12b079 86:a26f5f22631d 553 uint64_t sd_sectors()
ee12b079 86:a26f5f22631d 554 {
ee12b079 86:a26f5f22631d 555 uint32_t c_size, c_size_mult, read_bl_len;
ee12b079 86:a26f5f22631d 556 uint32_t block_len, mult, blocknr, capacity;
ee12b079 86:a26f5f22631d 557 uint32_t hc_c_size;
ee12b079 86:a26f5f22631d 558 uint64_t blocks;
ee12b079 86:a26f5f22631d 559
ee12b079 86:a26f5f22631d 560 // CMD9, Response R2 (R1 byte + 16-byte block read)
ee12b079 86:a26f5f22631d 561 if (cmdx(9, 0) != 0) {
ee12b079 86:a26f5f22631d 562 debug("\rDidn't get a response from the disk\n");
ee12b079 86:a26f5f22631d 563 return 0;
ee12b079 86:a26f5f22631d 564 }
ee12b079 86:a26f5f22631d 565
ee12b079 86:a26f5f22631d 566 uint8_t cs_sdd[16];
ee12b079 86:a26f5f22631d 567 if (read(cs_sdd, 16) != 0) {
ee12b079 86:a26f5f22631d 568 debug("\rCouldn't read cs_sdd response from disk\n");
ee12b079 86:a26f5f22631d 569 return 0;
ee12b079 86:a26f5f22631d 570 }
ee12b079 86:a26f5f22631d 571
ee12b079 86:a26f5f22631d 572 // cs_sdd_structure : cs_sdd[127:126]
ee12b079 86:a26f5f22631d 573 // c_size : cs_sdd[73:62]
ee12b079 86:a26f5f22631d 574 // c_size_mult : cs_sdd[49:47]
ee12b079 86:a26f5f22631d 575 // read_bl_len : cs_sdd[83:80] - the *maximum* read block length
ee12b079 86:a26f5f22631d 576
ee12b079 86:a26f5f22631d 577 int cs_sdd_structure = ext_bits(cs_sdd, 127, 126);
ee12b079 86:a26f5f22631d 578
ee12b079 86:a26f5f22631d 579 switch (cs_sdd_structure) {
ee12b079 86:a26f5f22631d 580 case 0:
ee12b079 86:a26f5f22631d 581 cdv = 512;
ee12b079 86:a26f5f22631d 582 c_size = ext_bits(cs_sdd, 73, 62);
ee12b079 86:a26f5f22631d 583 c_size_mult = ext_bits(cs_sdd, 49, 47);
ee12b079 86:a26f5f22631d 584 read_bl_len = ext_bits(cs_sdd, 83, 80);
ee12b079 86:a26f5f22631d 585
ee12b079 86:a26f5f22631d 586 block_len = 1 << read_bl_len;
ee12b079 86:a26f5f22631d 587 mult = 1 << (c_size_mult + 2);
ee12b079 86:a26f5f22631d 588 blocknr = (c_size + 1) * mult;
ee12b079 86:a26f5f22631d 589 capacity = blocknr * block_len;
ee12b079 86:a26f5f22631d 590 blocks = capacity / 512;
ee12b079 86:a26f5f22631d 591 debug_if(SD_DBG, "\n\rSDCard\n\rc_size: %d \n\rcapacity: %ld \n\rsectors: %lld\n\r", c_size, capacity, blocks);
ee12b079 86:a26f5f22631d 592 break;
ee12b079 86:a26f5f22631d 593
ee12b079 86:a26f5f22631d 594 case 1:
ee12b079 86:a26f5f22631d 595 cdv = 1;
ee12b079 86:a26f5f22631d 596 hc_c_size = ext_bits(cs_sdd, 63, 48);
ee12b079 86:a26f5f22631d 597 blocks = (hc_c_size+1)*1024;
ee12b079 86:a26f5f22631d 598 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);
ee12b079 86:a26f5f22631d 599 break;
ee12b079 86:a26f5f22631d 600
ee12b079 86:a26f5f22631d 601 default:
ee12b079 86:a26f5f22631d 602 debug("cs_sdD struct unsupported\r\n");
ee12b079 86:a26f5f22631d 603 return 0;
ee12b079 86:a26f5f22631d 604 };
ee12b079 86:a26f5f22631d 605 return blocks;
ee12b079 86:a26f5f22631d 606 }
ee12b079 86:a26f5f22631d 607
ee12b079 86:a26f5f22631d 608 int cmdx(int cmd, int arg)
ee12b079 86:a26f5f22631d 609 {
ee12b079 86:a26f5f22631d 610 cs_sd = 0;
ee12b079 86:a26f5f22631d 611
ee12b079 86:a26f5f22631d 612 // send a command
ee12b079 86:a26f5f22631d 613 spi.write(0x40 | cmd);
ee12b079 86:a26f5f22631d 614 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 615 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 616 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 617 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 618 spi.write(0x95);
ee12b079 86:a26f5f22631d 619
ee12b079 86:a26f5f22631d 620 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 621 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 622 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 623 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 624 return response;
ee12b079 86:a26f5f22631d 625 }
ee12b079 86:a26f5f22631d 626 }
ee12b079 86:a26f5f22631d 627 cs_sd = 1;
ee12b079 86:a26f5f22631d 628 spi.write(0xFF);
ee12b079 194:ab528911780d 629 return 1; // timeout
ee12b079 86:a26f5f22631d 630 }
ee12b079 86:a26f5f22631d 631
ee12b079 86:a26f5f22631d 632 static uint32_t ext_bits(unsigned char *data, int msb, int lsb)
ee12b079 86:a26f5f22631d 633 {
ee12b079 86:a26f5f22631d 634 uint32_t bits = 0;
ee12b079 86:a26f5f22631d 635 uint32_t size = 1 + msb - lsb;
ee12b079 86:a26f5f22631d 636 for (int i = 0; i < size; i++) {
ee12b079 86:a26f5f22631d 637 uint32_t position = lsb + i;
ee12b079 86:a26f5f22631d 638 uint32_t byte = 15 - (position >> 3);
ee12b079 86:a26f5f22631d 639 uint32_t bit = position & 0x7;
ee12b079 86:a26f5f22631d 640 uint32_t value = (data[byte] >> bit) & 1;
ee12b079 86:a26f5f22631d 641 bits |= value << i;
ee12b079 86:a26f5f22631d 642 }
ee12b079 86:a26f5f22631d 643 return bits;
ee12b079 86:a26f5f22631d 644 }
ee12b079 86:a26f5f22631d 645
ee12b079 86:a26f5f22631d 646 int disk_write(const uint8_t *buffer, uint64_t block_number)
ee12b079 86:a26f5f22631d 647
ee12b079 86:a26f5f22631d 648 {
ee12b079 86:a26f5f22631d 649 // set write address for single block (CMD24)
ee12b079 86:a26f5f22631d 650 if (cmd(24, block_number * cdv) != 0) {
chaithanyarss 303:b49b486a7107 651 CDMS_WR_SD_FAULT_COUNTER++;
ee12b079 86:a26f5f22631d 652 return 1;
ee12b079 86:a26f5f22631d 653 }
ee12b079 209:63e9c8f8b5d2 654
ee12b079 209:63e9c8f8b5d2 655 uint64_t temp;
ee12b079 209:63e9c8f8b5d2 656 int r = write(buffer, 512);
ee12b079 209:63e9c8f8b5d2 657 if(r == 0 ){
ee12b079 209:63e9c8f8b5d2 658 temp = FCTN_CDMS_RD_RTC();
ee12b079 209:63e9c8f8b5d2 659 TIME_LATEST_SD_RD = temp >> 7;
ee12b079 209:63e9c8f8b5d2 660 }
ee12b079 209:63e9c8f8b5d2 661 return r;
ee12b079 86:a26f5f22631d 662 }
ee12b079 86:a26f5f22631d 663
ee12b079 86:a26f5f22631d 664 int write(const uint8_t*buffer, uint32_t length)
ee12b079 86:a26f5f22631d 665 {
ee12b079 86:a26f5f22631d 666 cs_sd = 0;
ee12b079 86:a26f5f22631d 667
ee12b079 86:a26f5f22631d 668 // indicate start of block
ee12b079 86:a26f5f22631d 669 spi.write(0xFE);
ee12b079 86:a26f5f22631d 670
ee12b079 86:a26f5f22631d 671 // write the data
ee12b079 86:a26f5f22631d 672 for (int i = 0; i < length; i++) {
ee12b079 86:a26f5f22631d 673 spi.write(buffer[i]);
ee12b079 86:a26f5f22631d 674 }
ee12b079 86:a26f5f22631d 675
ee12b079 86:a26f5f22631d 676 // write the checksum
ee12b079 86:a26f5f22631d 677 spi.write(0xFF);
ee12b079 86:a26f5f22631d 678 spi.write(0xFF);
ee12b079 86:a26f5f22631d 679
ee12b079 86:a26f5f22631d 680 // check the response token
ee12b079 86:a26f5f22631d 681 if ((spi.write(0xFF) & 0x1F) != 0x05) {
ee12b079 86:a26f5f22631d 682 cs_sd = 1;
ee12b079 86:a26f5f22631d 683 spi.write(0xFF);
chaithanyarss 303:b49b486a7107 684 CDMS_WR_SD_FAULT_COUNTER++;
ee12b079 86:a26f5f22631d 685 return 1;
ee12b079 86:a26f5f22631d 686 }
ee12b079 86:a26f5f22631d 687
ee12b079 86:a26f5f22631d 688 // wait for write to finish
ee12b079 86:a26f5f22631d 689 while (spi.write(0xFF) == 0);
ee12b079 86:a26f5f22631d 690
ee12b079 86:a26f5f22631d 691 cs_sd = 1;
ee12b079 86:a26f5f22631d 692 spi.write(0xFF);
ee12b079 86:a26f5f22631d 693 return 0;
ee12b079 86:a26f5f22631d 694 }
ee12b079 86:a26f5f22631d 695
ee12b079 86:a26f5f22631d 696 int disk_read(uint8_t *buffer, uint64_t block_number)
ee12b079 86:a26f5f22631d 697 {
ee12b079 86:a26f5f22631d 698 // set read address for single block (CMD17)
ee12b079 86:a26f5f22631d 699 if (cmd(17, block_number * cdv) != 0) {
ee12b079 209:63e9c8f8b5d2 700 SD_RD_ERROR = 1;
ee12b079 86:a26f5f22631d 701 return 1;
ee12b079 86:a26f5f22631d 702 }
ee12b079 86:a26f5f22631d 703
ee12b079 86:a26f5f22631d 704 // receive the data
ee12b079 86:a26f5f22631d 705 read(buffer, 512);
ee12b079 209:63e9c8f8b5d2 706 uint64_t temp = FCTN_CDMS_RD_RTC();
ee12b079 209:63e9c8f8b5d2 707 TIME_LATEST_SD_RD = temp >> 7;
ee12b079 86:a26f5f22631d 708 return 0;
ee12b079 86:a26f5f22631d 709 }
ee12b079 86:a26f5f22631d 710
ee12b079 86:a26f5f22631d 711 int read(uint8_t *buffer, uint32_t length)
ee12b079 86:a26f5f22631d 712 {
ee12b079 86:a26f5f22631d 713 cs_sd = 0;
ee12b079 86:a26f5f22631d 714
ee12b079 86:a26f5f22631d 715 // read until start byte (0xFF)
ee12b079 86:a26f5f22631d 716 while (spi.write(0xFF) != 0xFE);
ee12b079 86:a26f5f22631d 717
ee12b079 86:a26f5f22631d 718 // read data
ee12b079 86:a26f5f22631d 719 for (int i = 0; i < length; i++) {
ee12b079 86:a26f5f22631d 720 buffer[i] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 721 }
ee12b079 86:a26f5f22631d 722 spi.write(0xFF); // checksum
ee12b079 86:a26f5f22631d 723 spi.write(0xFF);
ee12b079 86:a26f5f22631d 724
ee12b079 86:a26f5f22631d 725 cs_sd = 1;
ee12b079 86:a26f5f22631d 726 spi.write(0xFF);
ee12b079 86:a26f5f22631d 727 return 0;
ee12b079 86:a26f5f22631d 728 }
ee12b079 86:a26f5f22631d 729
ee12b079 86:a26f5f22631d 730 int disk_erase(int startBlock, int totalBlocks)
ee12b079 86:a26f5f22631d 731 {
ee12b079 86:a26f5f22631d 732 if(cmd(32, startBlock * cdv) != 0) {
ee12b079 86:a26f5f22631d 733 return 1;
ee12b079 86:a26f5f22631d 734 }
ee12b079 86:a26f5f22631d 735 if (cmd(33, (startBlock+totalBlocks-1) * cdv) != 0) {
ee12b079 86:a26f5f22631d 736 return 1;
ee12b079 86:a26f5f22631d 737 }
ee12b079 86:a26f5f22631d 738 if (cmd(38,0) != 0) {
ee12b079 86:a26f5f22631d 739 return 1;
ee12b079 86:a26f5f22631d 740 }
ee12b079 86:a26f5f22631d 741
ee12b079 86:a26f5f22631d 742 return 0; //normal return
ee12b079 209:63e9c8f8b5d2 743 }
ee12b079 209:63e9c8f8b5d2 744
ee12b079 209:63e9c8f8b5d2 745 int disk_read_statusbits(uint8_t *buffer)
ee12b079 209:63e9c8f8b5d2 746 {
ee12b079 209:63e9c8f8b5d2 747 if (cmd(17, 0) != 0) {
ee12b079 209:63e9c8f8b5d2 748 SD_RD_ERROR = 1;
ee12b079 209:63e9c8f8b5d2 749 return -1;
ee12b079 209:63e9c8f8b5d2 750 }
ee12b079 209:63e9c8f8b5d2 751
ee12b079 209:63e9c8f8b5d2 752 // receive the data
ee12b079 209:63e9c8f8b5d2 753 return read(buffer,64);
ee12b079 92:bce22b38c440 754 }