samp Srinivasan / Mbed 2 deprecated CDMS_CODE_samp_23SEP_DMA_flag

CDMS_CODE_samp_23SEP_DMA_flag

Dependencies:   FreescaleIAP SimpleDMA mbed-rtos mbed

Fork of CDMS_CODE_samp_23SEP_DMA by iitm sat

cdms_sd.h@309:91755ef8f22a, 2016-11-22 (annotated)

Committer:
samp1234
Date:
Tue Nov 22 08:08:46 2016 +0000
Revision:
309:91755ef8f22a
Parent:
306:7c3872365d58 
DMA to be checked, srp after dma start?

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];
spacelab 306:7c3872365d58 130
spacelab 306:7c3872365d58 131 disk_read(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 132 SD_MNG_SECT += SD_LIB_WRITES/(int)0xFFFF;
ee12b079 209:63e9c8f8b5d2 133 SD_LIB_WRITES = SD_LIB_WRITES%(int)0xFFFF;
spacelab 306:7c3872365d58 134 disk_write(buffer,SD_MNG_SECT);
spacelab 306:7c3872365d58 135 // gPC.printf("in increment_SD_LIB = %d, %d,%d\n\r", FSC_CURRENT[1],FSC_CURRENT[2],FSC_CURRENT[3]);
spacelab 306:7c3872365d58 136 // SD_MNG_SECT += SD_LIB_WRITES/(int)0xFFFF;
spacelab 306:7c3872365d58 137 // SD_LIB_WRITES = SD_LIB_WRITES%(int)0xFFFF;
spacelab 306:7c3872365d58 138
ee12b079 194:ab528911780d 139 disk_read(buffer,SD_MNG_SECT);
ee12b079 194:ab528911780d 140 if(sid==0x01)
ee12b079 86:a26f5f22631d 141 {
ee12b079 194:ab528911780d 142 fsc=(uint32_t)(buffer[0]<<24)+(uint32_t)(buffer[1]<<16)+(uint32_t)(buffer[2]<<8)+(uint32_t)buffer[3];
ee12b079 194:ab528911780d 143 start_fsc=(uint32_t)(buffer[4]<<24)+(uint32_t)(buffer[5]<<16)+(uint32_t)(buffer[6]<<8)+(uint32_t)buffer[7];
ee12b079 203:424308159a56 144 fsc++;
ee12b079 194:ab528911780d 145 buffer[0]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 146 buffer[1]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 147 buffer[2]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 148 buffer[3]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 149 if(fsc > SD_SCP_LAST-SD_SCP_FIRST+1)
ee12b079 194:ab528911780d 150 {
ee12b079 194:ab528911780d 151 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 152 buffer[4]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 153 buffer[5]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 154 buffer[6]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 155 buffer[7]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 156 }
ee12b079 209:63e9c8f8b5d2 157
ee12b079 203:424308159a56 158 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 159 if(i == 0)
ee12b079 209:63e9c8f8b5d2 160 {
ee12b079 209:63e9c8f8b5d2 161 FSC_CURRENT[1] = fsc;
ee12b079 209:63e9c8f8b5d2 162 FSC_LAST[1] = start_fsc;
ee12b079 209:63e9c8f8b5d2 163 return i;
ee12b079 209:63e9c8f8b5d2 164 }
ee12b079 86:a26f5f22631d 165 }
ee12b079 194:ab528911780d 166 if(sid==0x02)
ee12b079 86:a26f5f22631d 167 {
ee12b079 92:bce22b38c440 168 fsc=(uint32_t)(buffer[8]<<24)+(uint32_t)(buffer[9]<<16)+(uint32_t)(buffer[10]<<8)+(uint32_t)buffer[11];
ee12b079 194:ab528911780d 169 start_fsc=(uint32_t)(buffer[12]<<24)+(uint32_t)(buffer[13]<<16)+(uint32_t)(buffer[14]<<8)+(uint32_t)buffer[15];
ee12b079 203:424308159a56 170 fsc++;
ee12b079 194:ab528911780d 171 buffer[8]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 172 buffer[9]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 173 buffer[10]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 174 buffer[11]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 175 if(fsc > SD_SFF_AT_LAST-SD_SFF_AT_FIRST+1)
ee12b079 194:ab528911780d 176 {
ee12b079 194:ab528911780d 177 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 178 buffer[12]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 179 buffer[13]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 180 buffer[14]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 181 buffer[15]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 182 }
ee12b079 203:424308159a56 183 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 184 if(i == 0)
ee12b079 209:63e9c8f8b5d2 185 {
ee12b079 209:63e9c8f8b5d2 186 FSC_CURRENT[2] = fsc;
ee12b079 209:63e9c8f8b5d2 187 FSC_LAST[2] = start_fsc;
ee12b079 209:63e9c8f8b5d2 188 return i;
ee12b079 209:63e9c8f8b5d2 189 }
ee12b079 86:a26f5f22631d 190 }
ee12b079 194:ab528911780d 191 if(sid==0x03)
ee12b079 86:a26f5f22631d 192 {
ee12b079 92:bce22b38c440 193 fsc=(uint32_t)(buffer[16]<<24)+(uint32_t)(buffer[17]<<16)+(uint32_t)(buffer[18]<<8)+(uint32_t)buffer[19];
ee12b079 194:ab528911780d 194 start_fsc=(uint32_t)(buffer[20]<<24)+(uint32_t)(buffer[21]<<16)+(uint32_t)(buffer[22]<<8)+(uint32_t)buffer[23];
ee12b079 203:424308159a56 195 fsc++;
ee12b079 194:ab528911780d 196 buffer[16]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 197 buffer[17]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 198 buffer[18]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 199 buffer[19]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 200 if(fsc > SD_SFF_BT_LAST-SD_SFF_BT_FIRST+1)
ee12b079 194:ab528911780d 201 {
ee12b079 194:ab528911780d 202 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 203 buffer[20]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 204 buffer[21]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 205 buffer[22]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 206 buffer[23]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 207 }
ee12b079 203:424308159a56 208 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 209 if(i == 0)
ee12b079 209:63e9c8f8b5d2 210 {
ee12b079 209:63e9c8f8b5d2 211 FSC_CURRENT[3] = fsc;
ee12b079 209:63e9c8f8b5d2 212 FSC_LAST[3] = start_fsc;
ee12b079 209:63e9c8f8b5d2 213 return i;
ee12b079 209:63e9c8f8b5d2 214 }
ee12b079 86:a26f5f22631d 215 }
ee12b079 194:ab528911780d 216 if(sid==0x04)
ee12b079 194:ab528911780d 217 {
ee12b079 194:ab528911780d 218 fsc=(uint32_t)(buffer[24]<<24)+(uint32_t)(buffer[25]<<16)+(uint32_t)(buffer[26]<<8)+(uint32_t)buffer[27];
ee12b079 194:ab528911780d 219 start_fsc=(uint32_t)(buffer[28]<<24)+(uint32_t)(buffer[29]<<16)+(uint32_t)(buffer[30]<<8)+(uint32_t)buffer[31];
ee12b079 203:424308159a56 220 fsc++;
ee12b079 194:ab528911780d 221 buffer[24]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 222 buffer[25]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 223 buffer[26]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 224 buffer[27]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 225 if(fsc > SD_HK_ARCH_LAST-SD_HK_ARCH_FIRST+1)
ee12b079 194:ab528911780d 226 {
ee12b079 194:ab528911780d 227 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 228 buffer[28]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 229 buffer[29]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 230 buffer[30]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 231 buffer[31]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 232 }
ee12b079 203:424308159a56 233 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 234 if(i == 0)
ee12b079 209:63e9c8f8b5d2 235 {
ee12b079 209:63e9c8f8b5d2 236 FSC_CURRENT[4] = fsc;
ee12b079 209:63e9c8f8b5d2 237 FSC_LAST[4] = start_fsc;
ee12b079 209:63e9c8f8b5d2 238 return i;
ee12b079 209:63e9c8f8b5d2 239 }
ee12b079 194:ab528911780d 240 }
ee12b079 194:ab528911780d 241 if(sid==0x05)
ee12b079 194:ab528911780d 242 {
ee12b079 194:ab528911780d 243 fsc=(uint32_t)(buffer[32]<<24)+(uint32_t)(buffer[33]<<16)+(uint32_t)(buffer[34]<<8)+(uint32_t)buffer[35];
ee12b079 194:ab528911780d 244 start_fsc=(uint32_t)(buffer[36]<<24)+(uint32_t)(buffer[37]<<16)+(uint32_t)(buffer[38]<<8)+(uint32_t)buffer[39];
ee12b079 203:424308159a56 245 fsc++;
ee12b079 194:ab528911780d 246 buffer[32]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 247 buffer[33]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 248 buffer[34]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 249 buffer[35]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 250 if(fsc > LOG_LAST-LOG_FIRST+1)
ee12b079 194:ab528911780d 251 {
ee12b079 194:ab528911780d 252 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 253 buffer[36]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 254 buffer[37]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 255 buffer[38]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 256 buffer[39]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 257 }
ee12b079 203:424308159a56 258 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 259 if(i == 0)
ee12b079 209:63e9c8f8b5d2 260 {
ee12b079 209:63e9c8f8b5d2 261 FSC_CURRENT[5] = fsc;
ee12b079 209:63e9c8f8b5d2 262 FSC_LAST[5] = start_fsc;
ee12b079 209:63e9c8f8b5d2 263 return i;
ee12b079 209:63e9c8f8b5d2 264 }
ee12b079 194:ab528911780d 265 }
ee12b079 194:ab528911780d 266 return -1;
ee12b079 86:a26f5f22631d 267 }
ee12b079 86:a26f5f22631d 268
ee12b079 86:a26f5f22631d 269
ee12b079 92:bce22b38c440 270 int SD_WRITE(uint8_t* buffer,uint32_t fsc,uint8_t sid)
ee12b079 86:a26f5f22631d 271 {
spacelab 306:7c3872365d58 272 uint32_t block_number;
ee12b079 194:ab528911780d 273 int result = 10;
chaithanyarss 261:1e54415b34d3 274 if(SD_STATUS == DEVICE_POWERED){
ee12b079 194:ab528911780d 275 if(sid==0x01)
ee12b079 86:a26f5f22631d 276 {
spacelab 306:7c3872365d58 277 block_number=SD_SCP_FIRST+(fsc%(SD_SCP_LAST-SD_SCP_FIRST+1))-1;
spacelab 306:7c3872365d58 278 //block_number=SD_SCP_FIRST+fsc;
ee12b079 86:a26f5f22631d 279 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 280 if(result == 0)
ee12b079 209:63e9c8f8b5d2 281 {
ee12b079 209:63e9c8f8b5d2 282 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 283 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 284 }
ee12b079 194:ab528911780d 285 return result;
ee12b079 194:ab528911780d 286 }
ee12b079 194:ab528911780d 287 if(sid==0x02)
ee12b079 194:ab528911780d 288 {
spacelab 306:7c3872365d58 289 block_number= SD_SFF_AT_FIRST+(fsc%(SD_SFF_AT_LAST - SD_SFF_AT_FIRST+1))-1;
spacelab 306:7c3872365d58 290 //block_number= SD_SFF_AT_FIRST+fsc;
ee12b079 194:ab528911780d 291 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 292 if(result == 0)
ee12b079 209:63e9c8f8b5d2 293 {
ee12b079 209:63e9c8f8b5d2 294 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 295 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 296 }
ee12b079 86:a26f5f22631d 297 return result;
ee12b079 86:a26f5f22631d 298 }
ee12b079 194:ab528911780d 299 if(sid==0x03)
ee12b079 86:a26f5f22631d 300 {
spacelab 306:7c3872365d58 301 block_number= SD_SFF_BT_FIRST +(fsc%(SD_SFF_BT_LAST - SD_SFF_BT_FIRST +1))-1;
spacelab 306:7c3872365d58 302 //block_number= SD_SFF_BT_FIRST +fsc;
ee12b079 86:a26f5f22631d 303 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 304 if(result == 0)
ee12b079 209:63e9c8f8b5d2 305 {
ee12b079 209:63e9c8f8b5d2 306 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 307 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 308 }
ee12b079 86:a26f5f22631d 309 return result;
ee12b079 86:a26f5f22631d 310 }
ee12b079 194:ab528911780d 311 if(sid==0x04)
ee12b079 86:a26f5f22631d 312 {
spacelab 306:7c3872365d58 313 block_number=SD_HK_ARCH_FIRST +(fsc%(SD_HK_ARCH_LAST - SD_HK_ARCH_FIRST +1))-1;
spacelab 306:7c3872365d58 314 //block_number=SD_HK_ARCH_FIRST +fsc;
ee12b079 86:a26f5f22631d 315 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 316 if(result == 0)
ee12b079 209:63e9c8f8b5d2 317 {
ee12b079 209:63e9c8f8b5d2 318 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 319 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 320 }
ee12b079 86:a26f5f22631d 321 return result;
ee12b079 86:a26f5f22631d 322 }
ee12b079 194:ab528911780d 323 if(sid==0x05)
ee12b079 86:a26f5f22631d 324 {
spacelab 306:7c3872365d58 325 block_number= LOG_FIRST +(fsc%(LOG_FIRST - LOG_FIRST +1))-1;
spacelab 306:7c3872365d58 326 //block_number= LOG_FIRST +fsc;
ee12b079 86:a26f5f22631d 327 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 328 if(result == 0)
ee12b079 209:63e9c8f8b5d2 329 {
ee12b079 209:63e9c8f8b5d2 330 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 331 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 332 }
ee12b079 86:a26f5f22631d 333 return result;
ee12b079 86:a26f5f22631d 334 }
spacelab 306:7c3872365d58 335 }
spacelab 306:7c3872365d58 336 // return 1;
ee12b079 86:a26f5f22631d 337 }
ee12b079 86:a26f5f22631d 338
ee12b079 195:6a549c0e9287 339 uint8_t SD_READ(uint8_t* buffer,uint32_t fsc,uint8_t sid)
ee12b079 86:a26f5f22631d 340 {
spacelab 306:7c3872365d58 341 FCTN_SD_MNGR();
ee12b079 209:63e9c8f8b5d2 342 uint32_t block_number;
ee12b079 209:63e9c8f8b5d2 343 int result;
ee12b079 295:699801854b71 344 //if(SD_SW_EN_DS == 1)
ee12b079 295:699801854b71 345 // return 0x89;
ee12b079 194:ab528911780d 346 if(sid==0x01)
ee12b079 86:a26f5f22631d 347 {
ee12b079 195:6a549c0e9287 348 if(!(FSC_LAST[1]<=fsc && fsc<=FSC_CURRENT[1])){
ee12b079 195:6a549c0e9287 349 return 0x86;
ee12b079 195:6a549c0e9287 350 }
spacelab 306:7c3872365d58 351 block_number=SD_SCP_FIRST+(fsc%(SD_SCP_LAST-SD_SCP_FIRST+1))-1;
ee12b079 86:a26f5f22631d 352 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 353 }
ee12b079 194:ab528911780d 354 else if(sid==0x02)
ee12b079 86:a26f5f22631d 355 {
ee12b079 195:6a549c0e9287 356 if(!(FSC_LAST[2]<=fsc && fsc<=FSC_CURRENT[2])){
ee12b079 195:6a549c0e9287 357 return 0x86;
ee12b079 195:6a549c0e9287 358 }
spacelab 306:7c3872365d58 359 block_number= SD_SFF_AT_FIRST+(fsc%(SD_SFF_AT_LAST - SD_SFF_AT_FIRST+1))-1;
ee12b079 86:a26f5f22631d 360 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 361 }
ee12b079 194:ab528911780d 362 else if(sid==0x03)
ee12b079 86:a26f5f22631d 363 {
ee12b079 195:6a549c0e9287 364 if(!(FSC_LAST[3]<=fsc && fsc<=FSC_CURRENT[3])){
ee12b079 195:6a549c0e9287 365 return 0x86;
ee12b079 195:6a549c0e9287 366 }
spacelab 306:7c3872365d58 367 block_number= SD_SFF_BT_FIRST +(fsc%(SD_SFF_BT_LAST - SD_SFF_BT_FIRST +1))-1;
ee12b079 86:a26f5f22631d 368 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 369 }
ee12b079 194:ab528911780d 370 else if(sid==0x04)
ee12b079 86:a26f5f22631d 371 {
ee12b079 195:6a549c0e9287 372 if(!(FSC_LAST[4]<=fsc && fsc<=FSC_CURRENT[4])){
ee12b079 195:6a549c0e9287 373 return 0x86;
ee12b079 195:6a549c0e9287 374 }
spacelab 306:7c3872365d58 375 block_number=SD_HK_ARCH_FIRST +(fsc%(SD_HK_ARCH_LAST - SD_HK_ARCH_FIRST +1))-1;
ee12b079 86:a26f5f22631d 376 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 377 }
ee12b079 194:ab528911780d 378 else if(sid==0x05)
ee12b079 86:a26f5f22631d 379 {
ee12b079 195:6a549c0e9287 380 if(!(FSC_LAST[5]<=fsc && fsc<=FSC_CURRENT[5])){
ee12b079 195:6a549c0e9287 381 return 0x86;
ee12b079 195:6a549c0e9287 382 }
spacelab 306:7c3872365d58 383 block_number= LOG_FIRST +(fsc%(LOG_FIRST - LOG_FIRST +1))-1;
ee12b079 86:a26f5f22631d 384 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 385 }
ee12b079 86:a26f5f22631d 386 else
ee12b079 86:a26f5f22631d 387 {
ee12b079 195:6a549c0e9287 388 return 0x02;
ee12b079 86:a26f5f22631d 389 }
ee12b079 195:6a549c0e9287 390 if(result == 0)
ee12b079 195:6a549c0e9287 391 return 0xA0;
ee12b079 195:6a549c0e9287 392 else
spacelab 306:7c3872365d58 393 return 0x88;
chaithanyarss 304:7cc4fe191a54 394 return 0xA0;
ee12b079 86:a26f5f22631d 395 }
ee12b079 86:a26f5f22631d 396
ee12b079 86:a26f5f22631d 397
ee12b079 86:a26f5f22631d 398 int initialise_card()
ee12b079 86:a26f5f22631d 399 {
ee12b079 86:a26f5f22631d 400 // Set to 100kHz for initialisation, and clock card with cs_sd = 1
ee12b079 86:a26f5f22631d 401 spi.frequency(100000); // changed on 31 12 2015 to 1 MHz
ee12b079 86:a26f5f22631d 402 cs_sd = 1;
ee12b079 86:a26f5f22631d 403 for (int i = 0; i < 16; i++) {
ee12b079 86:a26f5f22631d 404 spi.write(0xFF);
ee12b079 86:a26f5f22631d 405 }
ee12b079 194:ab528911780d 406 uint8_t R1_response = cmd(0,0);
ee12b079 194:ab528911780d 407 gPC.printf("0x%02X",R1_response);
ee12b079 86:a26f5f22631d 408 // send CMD0, should return with all zeros except IDLE STATE set (bit 0)
ee12b079 194:ab528911780d 409 if (R1_response != R1_IDLE_STATE) {
ee12b079 86:a26f5f22631d 410 debug("No disk, or could not put SD card in to spi idle state\r\n");
ee12b079 86:a26f5f22631d 411 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 412 }
ee12b079 194:ab528911780d 413 else
ee12b079 194:ab528911780d 414 gPC.puts("SD Card is in IDLE state\n\r");
ee12b079 86:a26f5f22631d 415
ee12b079 194:ab528911780d 416 // send CMD8 to determine whther it is ver 2.x
ee12b079 86:a26f5f22631d 417 int r = cmd8();
ee12b079 86:a26f5f22631d 418 if (r == R1_IDLE_STATE) {
ee12b079 194:ab528911780d 419 gPC.puts("Entering V2\r");
ee12b079 194:ab528911780d 420 int q = initialise_card_v2();
ee12b079 194:ab528911780d 421 return q;
ee12b079 86:a26f5f22631d 422
ee12b079 86:a26f5f22631d 423 } else if (r == (R1_IDLE_STATE | R1_ILLEGAL_COMMAND)) {
ee12b079 194:ab528911780d 424 gPC.puts("Entering V1");
ee12b079 86:a26f5f22631d 425 return initialise_card_v1();
ee12b079 86:a26f5f22631d 426
ee12b079 86:a26f5f22631d 427 } else {
ee12b079 86:a26f5f22631d 428 debug("\rNot in idle state after sending CMD8 (not an SD card?)\r\n");
ee12b079 86:a26f5f22631d 429 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 430 }
ee12b079 86:a26f5f22631d 431 }
ee12b079 86:a26f5f22631d 432
ee12b079 86:a26f5f22631d 433 int initialise_card_v1()
ee12b079 86:a26f5f22631d 434 {
ee12b079 86:a26f5f22631d 435 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 436 cmd(55, 0);
ee12b079 86:a26f5f22631d 437 if (cmd(41, 0) == 0) {
ee12b079 96:4ca92f9775e0 438 gPC.puts("\rv1 initialization successfull\r\n");
ee12b079 86:a26f5f22631d 439 cdv = 512;
ee12b079 86:a26f5f22631d 440 debug_if(SD_DBG, "\n\rInit: SEDCARD_V1\n\r");
ee12b079 86:a26f5f22631d 441
ee12b079 86:a26f5f22631d 442 return SDCARD_V1;
ee12b079 86:a26f5f22631d 443 }
ee12b079 86:a26f5f22631d 444 }
ee12b079 86:a26f5f22631d 445
ee12b079 86:a26f5f22631d 446 debug("\rTimeout waiting for v1.x card\r\n");
ee12b079 86:a26f5f22631d 447 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 448 }
ee12b079 86:a26f5f22631d 449
ee12b079 86:a26f5f22631d 450
ee12b079 86:a26f5f22631d 451 int initialise_card_v2()
ee12b079 86:a26f5f22631d 452 {
ee12b079 86:a26f5f22631d 453 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 454 wait_ms(50);
ee12b079 86:a26f5f22631d 455 cmd58();
ee12b079 86:a26f5f22631d 456 cmd(55, 0);
ee12b079 86:a26f5f22631d 457 if (cmd(41, 0x40000000) == 0) {
ee12b079 194:ab528911780d 458 if (DEBUG)
ee12b079 194:ab528911780d 459 gPC.puts("\rv2 initialization successfull\r\n");
ee12b079 86:a26f5f22631d 460 cmd58();
ee12b079 86:a26f5f22631d 461 debug_if(SD_DBG, "\n\rInit: SDCARD_V2\n\r");
ee12b079 86:a26f5f22631d 462 cdv = 1;
ee12b079 86:a26f5f22631d 463 return SDCARD_V2;
ee12b079 86:a26f5f22631d 464 }
ee12b079 86:a26f5f22631d 465 }
ee12b079 86:a26f5f22631d 466
ee12b079 86:a26f5f22631d 467 debug("\rTimeout waiting for v2.x card\r\n");
ee12b079 86:a26f5f22631d 468 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 469 }
ee12b079 86:a26f5f22631d 470
ee12b079 86:a26f5f22631d 471 int cmd(int cmd, int arg)
ee12b079 86:a26f5f22631d 472 {
ee12b079 86:a26f5f22631d 473 cs_sd = 0;
ee12b079 86:a26f5f22631d 474
ee12b079 86:a26f5f22631d 475 // send a command
ee12b079 86:a26f5f22631d 476 spi.write(0x40 | cmd);
ee12b079 86:a26f5f22631d 477 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 478 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 479 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 480 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 481 spi.write(0x95);
ee12b079 86:a26f5f22631d 482
ee12b079 86:a26f5f22631d 483 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 484 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 485 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 486 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 487 cs_sd = 1;
ee12b079 86:a26f5f22631d 488 spi.write(0xFF);
ee12b079 86:a26f5f22631d 489 return response;
ee12b079 86:a26f5f22631d 490 }
ee12b079 86:a26f5f22631d 491 }
ee12b079 86:a26f5f22631d 492 cs_sd = 1;
ee12b079 86:a26f5f22631d 493 spi.write(0xFF);
ee12b079 86:a26f5f22631d 494 return -1; // timeout
ee12b079 86:a26f5f22631d 495 }
ee12b079 86:a26f5f22631d 496
ee12b079 86:a26f5f22631d 497
ee12b079 86:a26f5f22631d 498 int cmd58()
ee12b079 86:a26f5f22631d 499 {
ee12b079 86:a26f5f22631d 500 cs_sd = 0;
ee12b079 86:a26f5f22631d 501 int arg = 0;
ee12b079 86:a26f5f22631d 502
ee12b079 86:a26f5f22631d 503 // send a command
ee12b079 86:a26f5f22631d 504 spi.write(0x40 | 58);
ee12b079 86:a26f5f22631d 505 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 506 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 507 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 508 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 509 spi.write(0x95);
ee12b079 86:a26f5f22631d 510
ee12b079 86:a26f5f22631d 511 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 512 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 513 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 514 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 515 int ocr = spi.write(0xFF) << 24;
ee12b079 86:a26f5f22631d 516 ocr |= spi.write(0xFF) << 16;
ee12b079 86:a26f5f22631d 517 ocr |= spi.write(0xFF) << 8;
ee12b079 86:a26f5f22631d 518 ocr |= spi.write(0xFF) << 0;
ee12b079 86:a26f5f22631d 519 cs_sd = 1;
ee12b079 86:a26f5f22631d 520 spi.write(0xFF);
ee12b079 86:a26f5f22631d 521 return response;
ee12b079 86:a26f5f22631d 522 }
ee12b079 86:a26f5f22631d 523 }
ee12b079 86:a26f5f22631d 524 cs_sd = 1;
ee12b079 86:a26f5f22631d 525 spi.write(0xFF);
ee12b079 86:a26f5f22631d 526 return -1; // timeout
ee12b079 86:a26f5f22631d 527 }
ee12b079 86:a26f5f22631d 528
ee12b079 86:a26f5f22631d 529
ee12b079 86:a26f5f22631d 530 int cmd8()
ee12b079 86:a26f5f22631d 531 {
ee12b079 86:a26f5f22631d 532 cs_sd = 0;
ee12b079 86:a26f5f22631d 533
ee12b079 86:a26f5f22631d 534 // send a command
ee12b079 86:a26f5f22631d 535 spi.write(0x40 | 8); // CMD8
ee12b079 86:a26f5f22631d 536 spi.write(0x00); // reserved
ee12b079 86:a26f5f22631d 537 spi.write(0x00); // reserved
ee12b079 86:a26f5f22631d 538 spi.write(0x01); // 3.3v
ee12b079 86:a26f5f22631d 539 spi.write(0xAA); // check pattern
ee12b079 86:a26f5f22631d 540 spi.write(0x87); // crc
ee12b079 86:a26f5f22631d 541
ee12b079 86:a26f5f22631d 542 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 543 for (int i = 0; i < SD_COMMAND_TIMEOUT * 1000; i++) {
ee12b079 86:a26f5f22631d 544 char response[5];
ee12b079 86:a26f5f22631d 545 response[0] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 546 if (!(response[0] & 0x80)) {
ee12b079 86:a26f5f22631d 547 for (int j = 1; j < 5; j++) {
ee12b079 86:a26f5f22631d 548 response[i] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 549 }
ee12b079 86:a26f5f22631d 550 cs_sd = 1;
ee12b079 86:a26f5f22631d 551 spi.write(0xFF);
ee12b079 86:a26f5f22631d 552 return response[0];
ee12b079 86:a26f5f22631d 553 }
ee12b079 86:a26f5f22631d 554 }
ee12b079 86:a26f5f22631d 555 cs_sd = 1;
ee12b079 86:a26f5f22631d 556 spi.write(0xFF);
ee12b079 86:a26f5f22631d 557 return -1; // timeout
ee12b079 86:a26f5f22631d 558 }
ee12b079 86:a26f5f22631d 559
ee12b079 86:a26f5f22631d 560 uint64_t sd_sectors()
ee12b079 86:a26f5f22631d 561 {
ee12b079 86:a26f5f22631d 562 uint32_t c_size, c_size_mult, read_bl_len;
ee12b079 86:a26f5f22631d 563 uint32_t block_len, mult, blocknr, capacity;
ee12b079 86:a26f5f22631d 564 uint32_t hc_c_size;
ee12b079 86:a26f5f22631d 565 uint64_t blocks;
ee12b079 86:a26f5f22631d 566
ee12b079 86:a26f5f22631d 567 // CMD9, Response R2 (R1 byte + 16-byte block read)
ee12b079 86:a26f5f22631d 568 if (cmdx(9, 0) != 0) {
ee12b079 86:a26f5f22631d 569 debug("\rDidn't get a response from the disk\n");
ee12b079 86:a26f5f22631d 570 return 0;
ee12b079 86:a26f5f22631d 571 }
ee12b079 86:a26f5f22631d 572
ee12b079 86:a26f5f22631d 573 uint8_t cs_sdd[16];
ee12b079 86:a26f5f22631d 574 if (read(cs_sdd, 16) != 0) {
ee12b079 86:a26f5f22631d 575 debug("\rCouldn't read cs_sdd response from disk\n");
ee12b079 86:a26f5f22631d 576 return 0;
ee12b079 86:a26f5f22631d 577 }
ee12b079 86:a26f5f22631d 578
ee12b079 86:a26f5f22631d 579 // cs_sdd_structure : cs_sdd[127:126]
ee12b079 86:a26f5f22631d 580 // c_size : cs_sdd[73:62]
ee12b079 86:a26f5f22631d 581 // c_size_mult : cs_sdd[49:47]
ee12b079 86:a26f5f22631d 582 // read_bl_len : cs_sdd[83:80] - the *maximum* read block length
ee12b079 86:a26f5f22631d 583
ee12b079 86:a26f5f22631d 584 int cs_sdd_structure = ext_bits(cs_sdd, 127, 126);
ee12b079 86:a26f5f22631d 585
ee12b079 86:a26f5f22631d 586 switch (cs_sdd_structure) {
ee12b079 86:a26f5f22631d 587 case 0:
ee12b079 86:a26f5f22631d 588 cdv = 512;
ee12b079 86:a26f5f22631d 589 c_size = ext_bits(cs_sdd, 73, 62);
ee12b079 86:a26f5f22631d 590 c_size_mult = ext_bits(cs_sdd, 49, 47);
ee12b079 86:a26f5f22631d 591 read_bl_len = ext_bits(cs_sdd, 83, 80);
ee12b079 86:a26f5f22631d 592
ee12b079 86:a26f5f22631d 593 block_len = 1 << read_bl_len;
ee12b079 86:a26f5f22631d 594 mult = 1 << (c_size_mult + 2);
ee12b079 86:a26f5f22631d 595 blocknr = (c_size + 1) * mult;
ee12b079 86:a26f5f22631d 596 capacity = blocknr * block_len;
ee12b079 86:a26f5f22631d 597 blocks = capacity / 512;
ee12b079 86:a26f5f22631d 598 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 599 break;
ee12b079 86:a26f5f22631d 600
ee12b079 86:a26f5f22631d 601 case 1:
ee12b079 86:a26f5f22631d 602 cdv = 1;
ee12b079 86:a26f5f22631d 603 hc_c_size = ext_bits(cs_sdd, 63, 48);
ee12b079 86:a26f5f22631d 604 blocks = (hc_c_size+1)*1024;
ee12b079 86:a26f5f22631d 605 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 606 break;
ee12b079 86:a26f5f22631d 607
ee12b079 86:a26f5f22631d 608 default:
ee12b079 86:a26f5f22631d 609 debug("cs_sdD struct unsupported\r\n");
ee12b079 86:a26f5f22631d 610 return 0;
ee12b079 86:a26f5f22631d 611 };
ee12b079 86:a26f5f22631d 612 return blocks;
ee12b079 86:a26f5f22631d 613 }
ee12b079 86:a26f5f22631d 614
ee12b079 86:a26f5f22631d 615 int cmdx(int cmd, int arg)
ee12b079 86:a26f5f22631d 616 {
ee12b079 86:a26f5f22631d 617 cs_sd = 0;
ee12b079 86:a26f5f22631d 618
ee12b079 86:a26f5f22631d 619 // send a command
ee12b079 86:a26f5f22631d 620 spi.write(0x40 | cmd);
ee12b079 86:a26f5f22631d 621 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 622 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 623 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 624 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 625 spi.write(0x95);
ee12b079 86:a26f5f22631d 626
ee12b079 86:a26f5f22631d 627 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 628 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 629 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 630 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 631 return response;
ee12b079 86:a26f5f22631d 632 }
ee12b079 86:a26f5f22631d 633 }
ee12b079 86:a26f5f22631d 634 cs_sd = 1;
ee12b079 86:a26f5f22631d 635 spi.write(0xFF);
ee12b079 194:ab528911780d 636 return 1; // timeout
ee12b079 86:a26f5f22631d 637 }
ee12b079 86:a26f5f22631d 638
ee12b079 86:a26f5f22631d 639 static uint32_t ext_bits(unsigned char *data, int msb, int lsb)
ee12b079 86:a26f5f22631d 640 {
ee12b079 86:a26f5f22631d 641 uint32_t bits = 0;
ee12b079 86:a26f5f22631d 642 uint32_t size = 1 + msb - lsb;
ee12b079 86:a26f5f22631d 643 for (int i = 0; i < size; i++) {
ee12b079 86:a26f5f22631d 644 uint32_t position = lsb + i;
ee12b079 86:a26f5f22631d 645 uint32_t byte = 15 - (position >> 3);
ee12b079 86:a26f5f22631d 646 uint32_t bit = position & 0x7;
ee12b079 86:a26f5f22631d 647 uint32_t value = (data[byte] >> bit) & 1;
ee12b079 86:a26f5f22631d 648 bits |= value << i;
ee12b079 86:a26f5f22631d 649 }
ee12b079 86:a26f5f22631d 650 return bits;
ee12b079 86:a26f5f22631d 651 }
ee12b079 86:a26f5f22631d 652
ee12b079 86:a26f5f22631d 653 int disk_write(const uint8_t *buffer, uint64_t block_number)
ee12b079 86:a26f5f22631d 654
ee12b079 86:a26f5f22631d 655 {
ee12b079 86:a26f5f22631d 656 // set write address for single block (CMD24)
ee12b079 86:a26f5f22631d 657 if (cmd(24, block_number * cdv) != 0) {
chaithanyarss 303:b49b486a7107 658 CDMS_WR_SD_FAULT_COUNTER++;
ee12b079 86:a26f5f22631d 659 return 1;
ee12b079 86:a26f5f22631d 660 }
ee12b079 209:63e9c8f8b5d2 661
ee12b079 209:63e9c8f8b5d2 662 uint64_t temp;
ee12b079 209:63e9c8f8b5d2 663 int r = write(buffer, 512);
ee12b079 209:63e9c8f8b5d2 664 if(r == 0 ){
ee12b079 209:63e9c8f8b5d2 665 temp = FCTN_CDMS_RD_RTC();
ee12b079 209:63e9c8f8b5d2 666 TIME_LATEST_SD_RD = temp >> 7;
ee12b079 209:63e9c8f8b5d2 667 }
ee12b079 209:63e9c8f8b5d2 668 return r;
ee12b079 86:a26f5f22631d 669 }
ee12b079 86:a26f5f22631d 670
ee12b079 86:a26f5f22631d 671 int write(const uint8_t*buffer, uint32_t length)
ee12b079 86:a26f5f22631d 672 {
ee12b079 86:a26f5f22631d 673 cs_sd = 0;
ee12b079 86:a26f5f22631d 674
ee12b079 86:a26f5f22631d 675 // indicate start of block
ee12b079 86:a26f5f22631d 676 spi.write(0xFE);
ee12b079 86:a26f5f22631d 677
ee12b079 86:a26f5f22631d 678 // write the data
ee12b079 86:a26f5f22631d 679 for (int i = 0; i < length; i++) {
ee12b079 86:a26f5f22631d 680 spi.write(buffer[i]);
ee12b079 86:a26f5f22631d 681 }
ee12b079 86:a26f5f22631d 682
ee12b079 86:a26f5f22631d 683 // write the checksum
ee12b079 86:a26f5f22631d 684 spi.write(0xFF);
ee12b079 86:a26f5f22631d 685 spi.write(0xFF);
ee12b079 86:a26f5f22631d 686
ee12b079 86:a26f5f22631d 687 // check the response token
ee12b079 86:a26f5f22631d 688 if ((spi.write(0xFF) & 0x1F) != 0x05) {
ee12b079 86:a26f5f22631d 689 cs_sd = 1;
ee12b079 86:a26f5f22631d 690 spi.write(0xFF);
chaithanyarss 303:b49b486a7107 691 CDMS_WR_SD_FAULT_COUNTER++;
ee12b079 86:a26f5f22631d 692 return 1;
ee12b079 86:a26f5f22631d 693 }
ee12b079 86:a26f5f22631d 694
ee12b079 86:a26f5f22631d 695 // wait for write to finish
ee12b079 86:a26f5f22631d 696 while (spi.write(0xFF) == 0);
ee12b079 86:a26f5f22631d 697
ee12b079 86:a26f5f22631d 698 cs_sd = 1;
ee12b079 86:a26f5f22631d 699 spi.write(0xFF);
ee12b079 86:a26f5f22631d 700 return 0;
ee12b079 86:a26f5f22631d 701 }
ee12b079 86:a26f5f22631d 702
ee12b079 86:a26f5f22631d 703 int disk_read(uint8_t *buffer, uint64_t block_number)
ee12b079 86:a26f5f22631d 704 {
ee12b079 86:a26f5f22631d 705 // set read address for single block (CMD17)
ee12b079 86:a26f5f22631d 706 if (cmd(17, block_number * cdv) != 0) {
ee12b079 209:63e9c8f8b5d2 707 SD_RD_ERROR = 1;
ee12b079 86:a26f5f22631d 708 return 1;
ee12b079 86:a26f5f22631d 709 }
ee12b079 86:a26f5f22631d 710
ee12b079 86:a26f5f22631d 711 // receive the data
ee12b079 86:a26f5f22631d 712 read(buffer, 512);
ee12b079 209:63e9c8f8b5d2 713 uint64_t temp = FCTN_CDMS_RD_RTC();
ee12b079 209:63e9c8f8b5d2 714 TIME_LATEST_SD_RD = temp >> 7;
ee12b079 86:a26f5f22631d 715 return 0;
ee12b079 86:a26f5f22631d 716 }
ee12b079 86:a26f5f22631d 717
ee12b079 86:a26f5f22631d 718 int read(uint8_t *buffer, uint32_t length)
ee12b079 86:a26f5f22631d 719 {
ee12b079 86:a26f5f22631d 720 cs_sd = 0;
ee12b079 86:a26f5f22631d 721
ee12b079 86:a26f5f22631d 722 // read until start byte (0xFF)
ee12b079 86:a26f5f22631d 723 while (spi.write(0xFF) != 0xFE);
ee12b079 86:a26f5f22631d 724
ee12b079 86:a26f5f22631d 725 // read data
ee12b079 86:a26f5f22631d 726 for (int i = 0; i < length; i++) {
ee12b079 86:a26f5f22631d 727 buffer[i] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 728 }
ee12b079 86:a26f5f22631d 729 spi.write(0xFF); // checksum
ee12b079 86:a26f5f22631d 730 spi.write(0xFF);
ee12b079 86:a26f5f22631d 731
ee12b079 86:a26f5f22631d 732 cs_sd = 1;
ee12b079 86:a26f5f22631d 733 spi.write(0xFF);
ee12b079 86:a26f5f22631d 734 return 0;
ee12b079 86:a26f5f22631d 735 }
ee12b079 86:a26f5f22631d 736
ee12b079 86:a26f5f22631d 737 int disk_erase(int startBlock, int totalBlocks)
ee12b079 86:a26f5f22631d 738 {
ee12b079 86:a26f5f22631d 739 if(cmd(32, startBlock * cdv) != 0) {
ee12b079 86:a26f5f22631d 740 return 1;
ee12b079 86:a26f5f22631d 741 }
ee12b079 86:a26f5f22631d 742 if (cmd(33, (startBlock+totalBlocks-1) * cdv) != 0) {
ee12b079 86:a26f5f22631d 743 return 1;
ee12b079 86:a26f5f22631d 744 }
ee12b079 86:a26f5f22631d 745 if (cmd(38,0) != 0) {
ee12b079 86:a26f5f22631d 746 return 1;
ee12b079 86:a26f5f22631d 747 }
ee12b079 86:a26f5f22631d 748
ee12b079 86:a26f5f22631d 749 return 0; //normal return
ee12b079 209:63e9c8f8b5d2 750 }
ee12b079 209:63e9c8f8b5d2 751
ee12b079 209:63e9c8f8b5d2 752 int disk_read_statusbits(uint8_t *buffer)
ee12b079 209:63e9c8f8b5d2 753 {
ee12b079 209:63e9c8f8b5d2 754 if (cmd(17, 0) != 0) {
ee12b079 209:63e9c8f8b5d2 755 SD_RD_ERROR = 1;
ee12b079 209:63e9c8f8b5d2 756 return -1;
ee12b079 209:63e9c8f8b5d2 757 }
ee12b079 209:63e9c8f8b5d2 758
ee12b079 209:63e9c8f8b5d2 759 // receive the data
ee12b079 209:63e9c8f8b5d2 760 return read(buffer,64);
ee12b079 92:bce22b38c440 761 }