-void sd_dumpCid(Sd *sd)
-{
- ASSERT(sd);
-
- LOG_INFO("MANFID: %d\n", sd->cid.manfid);
- LOG_INFO("OEMID: %d\n", sd->cid.oemid);
- LOG_INFO("SERIAL: %ld\n", sd->cid.serial);
- LOG_INFO("PROD_NAME: %s\n", sd->cid.prod_name);
- LOG_INFO("REV: %d.%d\n", sd->cid.m_rev, sd->cid.l_rev);
- LOG_INFO("OFF,Y,M: %lx, %ld %ld\n", sd->cid.year_off, (BCD_TO_INT_32BIT(sd->cid.year_off) / 12) + 2000,
- (BCD_TO_INT_32BIT(sd->cid.year_off) % 12));
-}
-
-void sd_dumpSsr(Sd *sd)
-{
- ASSERT(sd);
-
- LOG_INFO("BUS_WIDTH: %d\n", sd->ssr.bus_width);
- LOG_INFO("TYPE: %d\n", sd->ssr.card_type);
- LOG_INFO("AU_TYPE: %d\n", sd->ssr.au_size);
- LOG_INFO("ERASE_SIZE: %d\n", sd->ssr.erase_size);
- LOG_INFO("SPEED_CLASS: %d\n", sd->ssr.speed_class);
-}
-
-
-void sd_sendInit(void)
-{
- hsmci_init(NULL); //TODO: REMOVE IT!
-
- if (hsmci_sendCmd(0, 0, HSMCI_CMDR_SPCMD_INIT | HSMCI_CMDR_RSPTYP_NORESP))
- LOG_ERR("INIT: %lx\n", HSMCI_SR);
-}
-
-
-void sd_goIdle(void)
-{
- hsmci_setSpeed(HSMCI_INIT_SPEED, false);
- if (hsmci_sendCmd(0, 0, HSMCI_CMDR_RSPTYP_NORESP))
- LOG_ERR("GO_IDLE: %lx\n", HSMCI_SR);
-}
-
-int sd_sendIfCond(Sd *sd)
-{
- if (hsmci_sendCmd(8, CMD8_V_RANGE_27V_36V, HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("IF_COND %lx\n", HSMCI_SR);
- return -1;
- }
- hsmci_readResp(&(sd->status), 1);
- if (((sd->status) & 0xFFF) == CMD8_V_RANGE_27V_36V)
- {
- LOG_INFO("IF_COND: %lx\n", (sd->status));
- return 0;
- }
- LOG_ERR("IF_COND: %lx\n", (sd->status));
-
- return -1;
-}
-
-int sd_sendAppOpCond(Sd *sd)
-{
- if (hsmci_sendCmd(55, 0, HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
- return -1;
- }
-
- hsmci_readResp(&(sd->status), 1);
- if ((sd->status) & (SD_STATUS_APP_CMD | SD_STATUS_READY))
- {
- if (hsmci_sendCmd(41, SD_HOST_VOLTAGE_RANGE | SD_OCR_CCS, HSMCI_CMDR_RSPTYP_48_BIT))// se cmd 8 va ok.
- {
- LOG_ERR("APP_OP_COND %lx\n", HSMCI_SR);
- return -1;
- }
- else
- {
- hsmci_readResp(&(sd->status), 1);
- if ((sd->status) & SD_OCR_BUSY)
- {
- LOG_INFO("SD power up! Hight Capability [%d]\n", (bool)((sd->status) & SD_OCR_CCS));
- return 0;
- }
-
- LOG_ERR("sd not ready.\n");
- }
- }
-
- return -1;
-}
-
-
-int sd_getCid(Sd *sd, uint32_t addr, uint8_t flag)
-{
- ASSERT(sd);
- memset(&(sd->cid), 0, sizeof(SDcid));
-
- uint8_t idx = 9; // CMD9 get cid from gived sd address (RCA)
- if (flag & SD_SEND_ALL_CID)
- idx = 2;
-
-
- if (hsmci_sendCmd(idx, SD_ADDR_TO_RCA(addr), HSMCI_CMDR_RSPTYP_136_BIT))
- {
- LOG_ERR("GET_CID %lx\n", HSMCI_SR);
- return -1;
- }
- else
- {
- uint32_t resp[4];
- hsmci_readResp(resp, 4);
- LOG_INFOB(dump("CID", resp, 4););
-
- sd->cid.manfid = UNSTUFF_BITS(resp, 120, 8);
- sd->cid.oemid = UNSTUFF_BITS(resp, 104, 16);
- sd->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8);
- sd->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8);
- sd->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8);
- sd->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8);
- sd->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8);
- sd->cid.m_rev = UNSTUFF_BITS(resp, 60, 4);
- sd->cid.l_rev = UNSTUFF_BITS(resp, 56, 4);
- sd->cid.serial = (uint32_t)UNSTUFF_BITS(resp, 24, 32);
- sd->cid.year_off = UNSTUFF_BITS(resp, 8, 12);
- }
-
- return 0;
-}
-
-int sd_getCsd(Sd *sd)
-{
- ASSERT(sd);
- memset(&(sd->csd), 0, sizeof(SDcsd));
-
- LOG_INFO("Send to RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr));
- if (hsmci_sendCmd(9, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_136_BIT))
- {
- LOG_ERR("GET_CSD %lx\n", HSMCI_SR);
- return -1;
- }
- else
- {
- uint32_t resp[4];
- hsmci_readResp(resp, 4);
- LOG_INFOB(dump("CSD", resp, 4););
- sd_decodeCsd(&(sd->csd), resp, 4);
- }
-
- return 0;
-}
-
-int sd_getRelativeAddr(Sd *sd)
-{
- ASSERT(sd);
- if (hsmci_sendCmd(3, 0, HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("RCA: %lx\n", HSMCI_SR);
- return -1;
- }
-
- hsmci_readResp(&sd->addr, 1);
- sd->addr = sd->addr >> 16;
-
- LOG_INFOB(dump("RCA", &sd->addr, 1););
-
- return 0;
-}
-
-int sd_appStatus(Sd *sd)
-{
- ASSERT(sd);
- LOG_INFO("Send to RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr));
- if (hsmci_sendCmd(13, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("STATUS: %lx\n", HSMCI_SR);
- return -1;
- }
-
- hsmci_readResp(&(sd->status), 1);
- LOG_INFOB(dump("STATUS", &(sd->status), 1););
-
- LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
-
- if (sd->status & SD_STATUS_READY)
- return 0;
-
- return -1;
-}
-
-
-INLINE int sd_cardSelection(Sd *sd, uint32_t rca)
-{
- ASSERT(sd);
- LOG_INFO("Select RCA: %lx\n", rca);
- if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_R1B))
- {
- LOG_ERR("SELECT_SD: %lx\n", HSMCI_SR);
- return -1;
- }
-
- HSMCI_CHECK_BUSY();
- hsmci_readResp(&(sd->status), 1);
- LOG_INFOB(dump("SELECT_SD", &(sd->status), 1););
-
- LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
-
- if (sd->status & SD_STATUS_READY)
- return 0;
-
- return -1;
-}
-
-int sd_selectCard(Sd *sd)
-{
- ASSERT(sd);
- uint32_t rca = SD_ADDR_TO_RCA(sd->addr);
- LOG_INFO("Select RCA: %lx\n", rca);
- if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_R1B))
- {
- LOG_ERR("SELECT_SD: %lx\n", HSMCI_SR);
- return -1;
- }
-
- HSMCI_CHECK_BUSY();
- hsmci_readResp(&(sd->status), 1);
-
- LOG_INFOB(dump("SELECT_SD", &(sd->status), 1););
- LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
-
- if (sd->status & SD_STATUS_READY)
- return 0;
-
- return -1;
-}
-
-int sd_deSelectCard(Sd *sd)
-{
- ASSERT(sd);
-
- uint32_t rca = 0;
- if (!sd->addr)
- rca = SD_ADDR_TO_RCA(sd->addr + 1);
-
- LOG_INFO("Select RCA: %lx\n", rca);
-
- if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_NORESP))
- {
- LOG_ERR("DESELECT_SD: %lx\n", HSMCI_SR);
- return -1;
- }
-
- return 0;
-
-}
-
-int sd_setBusWidth(Sd *sd, size_t len)
-{
- ASSERT(sd);
-
- if (hsmci_sendCmd(55, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
- return -1;
- }
-
- hsmci_readResp(&(sd->status), 1);
- if ((sd->status) & (SD_STATUS_APP_CMD | SD_STATUS_READY))
- {
- hsmci_setBusWidth(len);
-
- uint8_t arg = 0;
- if (len == 4)
- arg = 2;
-
- if (hsmci_sendCmd(6, arg, HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("SET_BUS_WIDTH CMD: %lx\n", HSMCI_SR);
- return -1;
- }
-
- hsmci_readResp(&(sd->status), 1);
-
- LOG_INFOB(dump("SET_BUS_WIDTH", &(sd->status), 1););
- LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
-
- if (sd->status & SD_STATUS_READY)
- return 0;
- }
-
- LOG_ERR("SET_BUS_WIDTH REP %lx\n", (sd->status));
- return -1;
-}
-
-
-int sd_set_BlockLen(Sd *sd, size_t len)
-{
- ASSERT(sd);
-
- if (hsmci_sendCmd(16, len, HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("SET_BLK_LEN: %lx\n", HSMCI_SR);
- return -1;
- }
-
- hsmci_readResp(&(sd->status), 1);
-
- LOG_INFOB(dump("SET_BLK_LEN", &(sd->status), 1););
- LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
-
- sd->csd.blk_len = len;
-
- if (sd->status & SD_STATUS_READY)
- return 0;
-
- return -1;
-}
-
-int sd_getStatus(Sd *sd, uint32_t *buf, size_t words)
-{
- ASSERT(sd);
-
- // Status reply with 512bit data, so the block size in byte is 64
- hsmci_prgRxDMA(buf, words, 64);
-
- if (hsmci_sendCmd(55, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT))
- {
- LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
- return -1;
- }
-
- uint32_t status = HSMCI_RSPR;
- if (status & (SD_STATUS_APP_CMD | SD_STATUS_READY))
- {
- if (hsmci_sendCmd(13, 0, HSMCI_CMDR_RSPTYP_48_BIT |
- BV(HSMCI_CMDR_TRDIR) | HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE))
- {
- LOG_ERR("STATUS CMD: %lx\n", HSMCI_SR);
- return -1;
- }
-
- hsmci_readResp(&(sd->status), 1);
- LOG_INFOB(dump("STATUS", &(sd->status), 1););
- LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
-
- if (sd->status & SD_STATUS_READY)
- {
- hsmci_waitTransfer();
-
- LOG_INFOB(dump("STATUS", buf, words););
- memset(&(sd->ssr), 0, sizeof(SDssr));
-
- sd->ssr.bus_width = UNSTUFF_BITS(buf, 510, 2);
- sd->ssr.card_type = UNSTUFF_BITS(buf, 480, 16);
- sd->ssr.au_size = UNSTUFF_BITS(buf, 432, 8);
- sd->ssr.speed_class = UNSTUFF_BITS(buf, 440, 8);
- sd->ssr.erase_size = UNSTUFF_BITS(buf, 408, 24);
-
- return 0;
- }
- }
-
- return -1;
-}
-
-
-void sd_setHightSpeed(Sd *sd)
-{
- (void)sd;
- hsmci_setSpeed(2100000, true);
-}
-
-#endif
-
-
-#define SD_START_DELAY 10
-#define SD_INIT_TIMEOUT ms_to_ticks(2000)
-#define SD_IDLE_RETRIES 4
-
-#if CPU_CM3_SAM3X8
-
-static size_t sd_SdReadDirect(struct KBlock *b, block_idx_t idx, void *buf, size_t offset, size_t size)
-{
- ASSERT(buf);
- Sd *sd = SD_CAST(b);
- LOG_INFO("reading from block %ld, offset %d, size %d\n", idx, offset, size);
-
- if (sd_selectCard(sd) < 0)
- return -1;
-
- hsmci_prgRxDMA(buf, size / 4, sd->csd.blk_len);
-
- if (hsmci_sendCmd(17, idx * sd->csd.blk_len + offset, HSMCI_CMDR_RSPTYP_48_BIT |
- BV(HSMCI_CMDR_TRDIR) | HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE))
- {
- LOG_ERR("SIGLE_BLK_READ: %lx\n", HSMCI_SR);
- sd_deSelectCard(sd);
- return -1;
- }
-
- hsmci_readResp(&(sd->status), 1);
-
- LOG_INFOB(dump("SIGLE_BLK_READ", &(sd->status), 1););
- LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
-
- if (sd->status & SD_STATUS_READY)
- {
- hsmci_waitTransfer();
- sd_deSelectCard(sd);
- return size;
- }
-
- sd_deSelectCard(sd);
- return -1;
-}
-
-static size_t sd_SdWriteDirect(KBlock *b, block_idx_t idx, const void *buf, size_t offset, size_t size)
-{
- ASSERT(buf);
- Sd *sd = SD_CAST(b);
- const uint32_t *_buf = (const uint32_t *)buf;
- LOG_INFO("reading from block %ld, offset %d, size %d\n", idx, offset, size);
-
- if (sd_selectCard(sd) < 0)
- return 0;
-
- hsmci_prgTxDMA(_buf, size / 4, sd->csd.blk_len);
-
- if (hsmci_sendCmd(24, idx * sd->csd.blk_len + offset, HSMCI_CMDR_RSPTYP_48_BIT |
- HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE))
- {
- LOG_ERR("SIGLE_BLK_WRITE: %lx\n", HSMCI_SR);
- sd_deSelectCard(sd);
- return -1;
- }
-
- hsmci_readResp(&(sd->status), 1);
-
- LOG_INFOB(dump("SIGLE_BLK_WR", &(sd->status), 1););
- LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
-
- if (sd->status & SD_STATUS_READY)
- {
- hsmci_waitTransfer();
- sd_deSelectCard(sd);
- return size;
- }
-
- sd_deSelectCard(sd);
- return -1;
-}
-
-
-static int sd_SdError(KBlock *b)
-{
- Sd *sd = SD_CAST(b);
- return 0;//sd->status;
-}
-
-static void sd_SdClearerr(KBlock *b)
-{
- Sd *sd = SD_CAST(b);
- sd->status = 0;
-}
-
-
-
-static bool sd_SdBlockInit(Sd *sd)
-{
- /* Wait a few moments for supply voltage to stabilize */
- timer_delay(SD_START_DELAY);
-
- sd_sendInit();
- sd_goIdle();
-
- sd_sendIfCond(sd);
-
- ticks_t start = timer_clock();
- bool sd_power_on = false;
- do
- {
- if (!sd_sendAppOpCond(sd))
- {
- sd_power_on = true;
- break;
- }
- cpu_relax();
- }
- while (timer_clock() - start < SD_INIT_TIMEOUT);
-
-
- if (sd_power_on)
- {
-
- if(sd_getCid(sd, 0, SD_SEND_ALL_CID) < 0)
- return false;
- else
- {
- sd_dumpCid(sd);
- }
-
- if (sd_getRelativeAddr(sd) < 0)
- return false;
- else
- {
- LOG_INFO("RCA: %0lx\n", sd->addr);
- }
-
-
- if (sd_getCsd(sd) < 0)
- return false;
- else
- {
- sd_dumpCsd(sd);
- }
-
- if (sd_appStatus(sd) < 0)
- {
- LOG_INFO("STATUS: %ld\n", sd->status);
- return false;
- }
-
- if (sd->status & SD_CARD_IS_LOCKED)
- {
- LOG_INFO("SD is locked!\n");
- return false;
- }
-
- if (sd->status & SD_READY_FOR_DATA)
- {
- sd_selectCard(sd);
- sd_set_BlockLen(sd, SD_DEFAULT_BLOCKLEN);
- sd_setBus4bit(sd);
- sd_setHightSpeed(sd);
- sd_deSelectCard(sd);
-
- sd->b.blk_size = SD_DEFAULT_BLOCKLEN;
- sd->b.blk_cnt = sd->csd.blk_num * (sd->csd.blk_len / SD_DEFAULT_BLOCKLEN);
- LOG_INFO("blk_size %d, blk_cnt %ld\n", sd->b.blk_size, sd->b.blk_cnt);
-
- return true;
- }
- }
-
- return false;
-}
-
-#else
-
-#define SD_READ_SINGLEBLOCK 0x51
-
-static size_t sd_SpiReadDirect(struct KBlock *b, block_idx_t idx, void *buf, size_t offset, size_t size)
-{
-
- Sd *sd = SD_CAST(b);
- LOG_INFO("reading from block %ld, offset %d, size %d\n", idx, offset, size);
-
- if (sd->tranfer_len != size)
- {
- if ((sd->r1 = sd_setBlockLen(sd, size)))
- {
- LOG_ERR("setBlockLen failed: %04X\n", sd->r1);
- return 0;
- }
- sd->tranfer_len = size;
- }
-
- SD_SELECT(sd);
-
- sd->r1 = sd_sendCommand(sd, SD_READ_SINGLEBLOCK, idx * SD_DEFAULT_BLOCKLEN + offset, 0);
-
- if (sd->r1)
- {
- LOG_ERR("read single block failed: %04X\n", sd->r1);
- sd_select(sd, false);
- return 0;
- }
-
- bool res = sd_getBlock(sd, buf, size);
- sd_select(sd, false);
- if (!res)
- {
- LOG_ERR("read single block failed reading data\n");
- return 0;
- }
- else
- return size;
-}
-
-#define SD_WRITE_SINGLEBLOCK 0x58
-#define SD_DATA_ACCEPTED 0x05
-
-static size_t sd_SpiWriteDirect(KBlock *b, block_idx_t idx, const void *buf, size_t offset, size_t size)
-{
- Sd *sd = SD_CAST(b);
- KFile *fd = sd->ch;
- ASSERT(offset == 0);
- ASSERT(size == SD_DEFAULT_BLOCKLEN);
-
- LOG_INFO("writing block %ld\n", idx);
- if (sd->tranfer_len != SD_DEFAULT_BLOCKLEN)
- {
- if ((sd->r1 = sd_setBlockLen(sd, SD_DEFAULT_BLOCKLEN)))
- {
- LOG_ERR("setBlockLen failed: %04X\n", sd->r1);
- return 0;
- }
- sd->tranfer_len = SD_DEFAULT_BLOCKLEN;
- }
-
- SD_SELECT(sd);
-
- sd->r1 = sd_sendCommand(sd, SD_WRITE_SINGLEBLOCK, idx * SD_DEFAULT_BLOCKLEN, 0);
-
- if (sd->r1)
- {
- LOG_ERR("write single block failed: %04X\n", sd->r1);
- sd_select(sd, false);
- return 0;
- }
-
- kfile_putc(SD_STARTTOKEN, fd);
- kfile_write(fd, buf, SD_DEFAULT_BLOCKLEN);
- /* send fake crc */
- kfile_putc(0, fd);
- kfile_putc(0, fd);
-
- uint8_t dataresp = kfile_getc(fd);
- sd_select(sd, false);
-
- if ((dataresp & 0x1f) != SD_DATA_ACCEPTED)
- {
- LOG_ERR("write block %ld failed: %02X\n", idx, dataresp);
- return EOF;
- }
-
- return SD_DEFAULT_BLOCKLEN;
-}
-
-static int sd_SpiError(KBlock *b)
-{
- Sd *sd = SD_CAST(b);
- return sd->r1;
-}
-
-static void sd_SpiClearerr(KBlock *b)
-{
- Sd *sd = SD_CAST(b);
- sd->r1 = 0;
-}
-
-
-
-#define SD_GO_IDLE_STATE 0x40
-#define SD_GO_IDLE_STATE_CRC 0x95
-#define SD_SEND_OP_COND 0x41
-#define SD_SEND_OP_COND_CRC 0xF9
-
-static bool sd_SpiBlockInit(Sd *sd, KFile *ch)
-{
- sd->ch = ch;
-
- SD_CS_INIT();
- SD_CS_OFF();
-
- /* Wait a few moments for supply voltage to stabilize */
- timer_delay(SD_START_DELAY);
-
- /* Give 80 clk pulses to wake up the card */
- for (int i = 0; i < 10; i++)
- kfile_putc(0xff, ch);
- kfile_flush(ch);
-
- for (int i = 0; i < SD_IDLE_RETRIES; i++)
- {
- SD_SELECT(sd);
- sd->r1 = sd_sendCommand(sd, SD_GO_IDLE_STATE, 0, SD_GO_IDLE_STATE_CRC);
- sd_select(sd, false);
-
- if (sd->r1 == SD_IN_IDLE)
- break;
- }
-
- if (sd->r1 != SD_IN_IDLE)
- {
- LOG_ERR("go_idle_state failed: %04X\n", sd->r1);
- return false;
- }
-
- ticks_t start = timer_clock();
-
- /* Wait for card to start */
- do
- {
- SD_SELECT(sd);
- sd->r1 = sd_sendCommand(sd, SD_SEND_OP_COND, 0, SD_SEND_OP_COND_CRC);
- sd_select(sd, false);
- cpu_relax();
- }
- while (sd->r1 != 0 && timer_clock() - start < SD_INIT_TIMEOUT);
-
- if (sd->r1)
- {
- LOG_ERR("send_op_cond failed: %04X\n", sd->r1);
- return false;
- }
-
- sd->r1 = sd_setBlockLen(sd, SD_DEFAULT_BLOCKLEN);
- sd->tranfer_len = SD_DEFAULT_BLOCKLEN;
-
- if (sd->r1)
- {
- LOG_ERR("setBlockLen failed: %04X\n", sd->r1);
- return false;
- }
-
- /* Avoid warning for uninitialized csd use (gcc bug?) */
- CardCSD csd = csd;
-
- sd->r1 = sd_getCSD(sd, &csd);
-
- if (sd->r1)
- {
- LOG_ERR("getCSD failed: %04X\n", sd->r1);
- return false;
- }
-
- sd->b.blk_size = SD_DEFAULT_BLOCKLEN;
- sd->b.blk_cnt = csd.block_num * (csd.block_len / SD_DEFAULT_BLOCKLEN);
- LOG_INFO("blk_size %d, blk_cnt %ld\n", sd->b.blk_size, sd->b.blk_cnt);
- return true;
-}
-#endif
-
-
-static bool sd_blockInit(Sd *sd, KFile *ch)
-{
- ASSERT(sd);
- ASSERT(ch);
- memset(sd, 0, sizeof(*sd));
- DB(sd->b.priv.type = KBT_SD);
-
-#if CPU_CM3_SAM3X8
- if (!sd_SdBlockInit(sd))
- return false;
-#else
- if (!sd_SpiBlockInit(sd, ch))
- return false;
-#endif
-
-#if CONFIG_SD_AUTOASSIGN_FAT
- disk_assignDrive(&sd->b, 0);
-#endif
-
- return true;
-}
-
-#if CPU_CM3_SAM3X8
-#define sd_writeDirect sd_SdWriteDirect
-#define sd_readDirect sd_SdReadDirect
-#define sd_error sd_SdError
-#define sd_clearerr sd_SdClearerr
-
-#else
-#define sd_writeDirect sd_SpiWriteDirect
-#define sd_readDirect sd_SpiReadDirect
-#define sd_error sd_SpiError
-#define sd_clearerr sd_SpiClearerr
-
-#endif
-
-static const KBlockVTable sd_unbuffered_vt =
-{
- .readDirect = sd_readDirect,
- .writeDirect = sd_writeDirect,
-
- .error = sd_error,
- .clearerr = sd_clearerr,
-};
-
-static const KBlockVTable sd_buffered_vt =
-{
- .readDirect = sd_readDirect,
- .writeDirect = sd_writeDirect,
-
- .readBuf = kblock_swReadBuf,
- .writeBuf = kblock_swWriteBuf,
- .load = kblock_swLoad,
- .store = kblock_swStore,
-
- .error = sd_error,
- .clearerr = sd_clearerr,
-};
-
-bool sd_initUnbuf(Sd *sd, KFile *ch)
-{
- if (sd_blockInit(sd, ch))
- {
- sd->b.priv.vt = &sd_unbuffered_vt;
- return true;
- }
- else
- return false;
-}
-
-static uint8_t sd_buf[SD_DEFAULT_BLOCKLEN];
-
-bool sd_initBuf(Sd *sd, KFile *ch)
-{
- if (sd_blockInit(sd, ch))
- {
- sd->b.priv.buf = sd_buf;
- sd->b.priv.flags |= KB_BUFFERED | KB_PARTIAL_WRITE;
- sd->b.priv.vt = &sd_buffered_vt;
- sd->b.priv.vt->load(&sd->b, 0);
- return true;
- }
- else
- return false;
-}