yjdwbj edited a comment on issue #2276: URL: https://github.com/apache/incubator-nuttx/issues/2276#issuecomment-735514406
@adamfeuer Thanks your reply, I have a SPI over SD sniffer, and installed it to test, at least the worked for a TOSHIBA 8GB SDHC Memory Card. But instert another KINGMAX 256MB SD Card , it's report like below , looks said the CMD9 failed. But the same equipment ( SPI over SD sniffer and KINGMAX 256M SD Card) that is worked for other STM32 board. ```sh Registering CDC/ACM serial driver sam_automount_initialize: Initializing automounter(s) automount_initialize: lower=0x41e404 sam_cardinserted_internal: Slot 0 inserted: NO Mounting procfs to /proc sam_sdinitialize: Initializing SERCOM SPI0 sam_sdinitialize: Successfully initialized SPI0 sam_sdinitialize: Binding SPI0 to MMC/SD slot 0 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=03 R7=ffffffff mmcsd_mediainitialize: Send CMD55/ACMD41 mmcsd_sendcmd: CMD55[00000000] R1=01 mmcsd_sendcmd: CMD41[00000000] R1=01 mmcsd_mediainitialize: Identified SD ver1 card mmcsd_mediainitialize: 0. Send CMD55/ACMD41 mmcsd_sendcmd: CMD55[00000000] R1=01 mmcsd_sendcmd: CMD41[00000000] R1=00 mmcsd_mediainitialize: Get CSD mmcsd_sendcmd: CMD9[00000000] R1=00 mmcsd_getcardinfo: 0. SPI send returned ff mmcsd_getcardinfo: 1. SPI send returned fc mmcsd_getcardinfo: 2. SPI send returned 00 mmcsd_getcardinfo: 3. SPI send returned fc mmcsd_getcardinfo: 4. SPI send returned 00 mmcsd_getcardinfo: 5. SPI send returned 81 mmcsd_getcardinfo: 6. SPI send returned e4 mmcsd_getcardinfo: 7. SPI send returned 83 mmcsd_getcardinfo: ERROR: Did not find start of block mmcsd_mediainitialize: ERROR: mmcsd_getcsd(CMD9) failed: -5 sam_sdinitialize: Successfully bound SPI0 to MMC/SD slot 0 Mounting /dev/mmcsd0 to /fat find_blockdriver: pathname="/dev/mmcsd0" mmcsd_open: Entry mmcsd_sendcmd: CMD9[00000000] R1=00 mmcsd_getcardinfo: 0. SPI send returned ff mmcsd_getcardinfo: 1. SPI send returned fc mmcsd_getcardinfo: 2. SPI send returned 00 mmcsd_getcardinfo: 3. SPI send returned fc mmcsd_getcardinfo: 4. SPI send returned 00 mmcsd_getcardinfo: 5. SPI send returned 81 mmcsd_getcardinfo: 6. SPI send returned e4 mmcsd_getcardinfo: 7. SPI send returned 83 mmcsd_getcardinfo: ERROR: Did not find start of block mmcsd_geometry: ERROR: mmcsd_getcsd returned -5 nx_mount: ERROR: Bind method failed: -19 ERROR: Failed to mount the FAT filesystem: -1 (19) ```   ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org