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Merge pull request #41 from deepikabhavnani/csd_issue 

CSD Failure
pull/7774/head
Deepika 2017-07-17 11:08:46 -05:00 committed by GitHub
parent f9550bc1d9 954167fb40
commit 4856a20c38
1 changed files with 8 additions and 3 deletions
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11
SDBlockDevice.cpp
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@ -344,6 +344,11 @@ int SDBlockDevice::init()
} }
debug_if(SD_DBG, "init card = %d\n", _is_initialized); debug_if(SD_DBG, "init card = %d\n", _is_initialized);
_sectors = _sd_sectors(); _sectors = _sd_sectors();
// CMD9 failed
if (0 == _sectors) {
_lock.unlock();
return BD_ERROR_DEVICE_ERROR;
}
// Set block length to 512 (CMD16) // Set block length to 512 (CMD16)
if (_cmd(CMD16_SET_BLOCKLEN, _block_size) != 0) { if (_cmd(CMD16_SET_BLOCKLEN, _block_size) != 0) {
@ -358,14 +363,15 @@ int SDBlockDevice::init()
_lock.unlock(); _lock.unlock();
return err; return err;
} }
_lock.unlock(); _lock.unlock();
return BD_ERROR_OK; return BD_ERROR_OK;
} }
int SDBlockDevice::deinit() int SDBlockDevice::deinit()
{ {
_lock.lock();
_is_initialized = false;
_lock.unlock();
return 0; return 0;
} }
@ -1010,7 +1016,6 @@ void SDBlockDevice::_select() {
void SDBlockDevice::_deselect() { void SDBlockDevice::_deselect() {
_cs = 1; _cs = 1;
_spi.write(0xFF);
_spi.unlock(); _spi.unlock();
} }
#endif /* DEVICE_SPI */ #endif /* DEVICE_SPI */