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Added more debug statements

pull/7774/head
Deepika 2017-06-27 13:59:29 -05:00
parent a0dd8cd45d
commit 04e1a57c2d
1 changed files with 16 additions and 4 deletions
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20
features/filesystem/sd/SDBlockDevice.cpp
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@ -401,6 +401,7 @@ int SDBlockDevice::program(const void *b, bd_addr_t addr, bd_size_t size)
response = _write(buffer, SPI_START_BLOCK, _block_size);
// Only CRC and general write error are communicated via response token
if ((response == SPI_DATA_CRC_ERROR) || (response == SPI_DATA_WRITE_ERROR)) {
debug_if(SD_DBG, "Single Block Write failed: 0x%x \n", response);
status = SD_BLOCK_DEVICE_ERROR_WRITE;
}
@ -419,6 +420,7 @@ int SDBlockDevice::program(const void *b, bd_addr_t addr, bd_size_t size)
do {
response = _write(buffer, SPI_START_BLK_MUL_WRITE, _block_size);
if (response != SPI_DATA_ACCEPTED) {
debug_if(SD_DBG, "Multiple Block Write failed: 0x%x \n", response);
break;
}
buffer += _block_size;
@ -433,7 +435,9 @@ int SDBlockDevice::program(const void *b, bd_addr_t addr, bd_size_t size)
_deselect();
// Wait for last block to be written
_wait_ready(SD_COMMAND_TIMEOUT);
if (false == _wait_ready(SD_COMMAND_TIMEOUT)) {
debug_if(SD_DBG, "Card not ready yet \n");
}
/* In case of Write Error indication (on the data response) the host shall
* use SEND_NUM_WR_BLOCKS (ACMD22) in order to get the number of well written write blocks.
@ -593,7 +597,10 @@ int SDBlockDevice::_cmd(SDBlockDevice::cmdSupported cmd, uint32_t arg, bool isAc
// Select card and wait for card to be ready before sending next command
// Note: next command will fail if card is not ready
_select();
_wait_ready();
if (false == _wait_ready(SD_COMMAND_TIMEOUT)) {
debug_if(SD_DBG, "Card not ready yet \n");
}
// Send CMD55 for APP command first
if (isAcmd) {
@ -611,14 +618,16 @@ int SDBlockDevice::_cmd(SDBlockDevice::cmdSupported cmd, uint32_t arg, bool isAc
// Process the response R1 : Exit on CRC/Illegal command error/No response
if (R1_NO_RESPONSE == response) {
_deselect();
debug_if(SD_DBG, "No response CMD:%d \n", cmd);
return SD_BLOCK_DEVICE_ERROR_NO_DEVICE; // No device
}
if (response & R1_COM_CRC_ERROR) {
_deselect();
debug_if(SD_DBG, "CRC error CMD:%d \n", cmd);
return SD_BLOCK_DEVICE_ERROR_CRC; // CRC error
}
if (response & R1_ILLEGAL_COMMAND) {
debug_if(SD_DBG, "Illegal command response\n");
debug_if(SD_DBG, "Illegal command CMD:%d\n", cmd);
if (CMD8_SEND_IF_COND == cmd) { // Illegal command is for Ver1 or not SD Card
_card_type = CARD_UNKNOWN;
}
@ -626,6 +635,7 @@ int SDBlockDevice::_cmd(SDBlockDevice::cmdSupported cmd, uint32_t arg, bool isAc
return SD_BLOCK_DEVICE_ERROR_UNSUPPORTED; // Command not supported
}
debug_if(_dbg, "CMD:%d \t arg:0x%x \t Response:0x%x \n", cmd, arg, response);
// Set status for other errors
if ((response & R1_ERASE_RESET) || (response & R1_ERASE_SEQUENCE_ERROR)) {
status = SD_BLOCK_DEVICE_ERROR_ERASE; // Erase error
@ -743,7 +753,9 @@ uint8_t SDBlockDevice::_write(const uint8_t *buffer, uint8_t token, uint32_t len
/* If previous write is in progress, the card will drive DO low again when reselected.
* Therefore a preceding busy check, check if card is busy prior to each command and
* data packet, instead of post wait, can eliminate busy wait time */
_wait_ready(SD_COMMAND_TIMEOUT);
if( false == _wait_ready(SD_COMMAND_TIMEOUT)) {
debug_if(SD_DBG, "Card not ready yet \n");
}
// indicate start of block
_spi.write(token);