Hi all, I'm messing around with my PIC32/Explorer 16 setup, and I'm trying to mount an SD card. It seems as though the SD card is being detected properly, but nuttx refuses to mount it. The debug that I have indicates that CMD9 is failing, but the command seems to work fine on boot. Any thoughts?
Output: Successfully initialized SPI port 1 mmcsd_mediainitialize: Send CMD0 mmcsd_sendcmd: CMD0[00000000] R1=01 mmcsd_mediainitialize: Card is in IDLE state mmcsd_mediainitialize: Send CMD8 mmcsd_sendcmd: CMD8[000001aa] R1=01 R7=000001aa mmcsd_mediainitialize: 32768. Send CMD55/ACMD41 mmcsd_sendcmd: CMD55[00000000] R1=01 mmcsd_sendcmd: CMD41[40000000] R1=01 mmcsd_mediainitialize: 4295000064. Send CMD55/ACMD41 mmcsd_sendcmd: CMD55[00000000] R1=01 mmcsd_sendcmd: CMD41[40000000] R1=00 mmcsd_mediainitialize: Send CMD58 mmcsd_sendcmd: CMD58[00000000] R1=00 OCR=c0ff8000 mmcsd_mediainitialize: OCR: c0ff8000 mmcsd_mediainitialize: Identified SD ver2 card/with block access mmcsd_mediainitialize: Get CSD mmcsd_sendcmd: CMD9[00000000] R1=00 mmcsd_getcardinfo: 0. SPI send returned fe mmcsd_dmpcsd: CSD mmcsd_dmpcsd: CSD_STRUCTURE: 1.1 mmcsd_dmpcsd: TAAC: mmcsd_dmpcsd: TIME_VALUE: 0x01 mmcsd_dmpcsd: TIME_UNIT: 0x06 mmcsd_dmpcsd: NSAC: 0x00 mmcsd_dmpcsd: TRAN_SPEED: mmcsd_dmpcsd: TIME_VALUE: 0x06 mmcsd_dmpcsd: RATE_UNIT: 0x02 mmcsd_dmpcsd: CCC: 0x5b5 mmcsd_dmpcsd: READ_BL_LEN: 9 mmcsd_dmpcsd: READ_BL_PARTIAL: 0 mmcsd_dmpcsd: WRITE_BLK_MISALIGN: 0 mmcsd_dmpcsd: READ_BLK_MISALIGN: 0 mmcsd_dmpcsd: DSR_IMP: 0 mmcsd_dmpcsd: C_SIZE: 15053 mmcsd_dmpcsd: VDD_R_CURR_MIN: 7 mmcsd_dmpcsd: VDD_R_CURR_MAX: 6 mmcsd_dmpcsd: VDD_W_CURR_MIN: 7 mmcsd_dmpcsd: VDD_W_CURR_MAX: 6 mmcsd_dmpcsd: C_SIZE_MULT: 8 mmcsd_dmpcsd: SD ER_BLK_EN: 1 mmcsd_dmpcsd: SD SECTOR_SIZE: 127 mmcsd_dmpcsd: SD WP_GRP_SIZE: 0 mmcsd_dmpcsd: WP_GRP_EN: 0 mmcsd_dmpcsd: R2W_FACTOR: 2 mmcsd_dmpcsd: WRITE_BL_LEN: 9 mmcsd_dmpcsd: WRITE_BL_PARTIAL: 0 mmcsd_dmpcsd: FILE_FORMAT_GROUP: 0 mmcsd_dmpcsd: COPY: 0 mmcsd_dmpcsd: PERM_WRITE_PROTECT: 0 mmcsd_dmpcsd: TMP_WRITE_PROTECT: 0 mmcsd_dmpcsd: FILE_FORMAT: 0 mmcsd_dmpcsd: CRC: 4b mmcsd_decodecsd: SPI Frequency mmcsd_decodecsd: Maximum: 25000000 Hz mmcsd_decodecsd: Actual: 20000000 Hz mmcsd_decodecsd: Read access time: 11 ticks mmcsd_decodecsd: Write access time: 26 ticks mmcsd_decodecsd: Sector size: 512 mmcsd_decodecsd: Number of sectors: 15415296 mmcsd_spislotinitialize: mmcsd_mediainitialize returned OK spi1register Successfully bound SPI port 1 to MMC/SD slot 0 NuttShell (NSH) NuttX-10.0.1 nsh> mkdir foo nsh> mount -t vfat /dev/mmcsd0 /foo find_blockdriver: pathname="/dev/mmcsd0" mmcsd_open: Entry mmcsd_sendcmd: CMD9[00000000] R1=7f mmcsd_getcardinfo: ERROR: CMD9/10 failed: R1=7f mmcsd_geometry: ERROR: mmcsd_getcsd returned -5 nx_mount: ERROR: Bind method failed: -19 nsh: mount: mount failed: 19 -Robert Middleton
