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update qspi

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This commit is contained in:
hathach
2018-09-11 22:37:44 +07:00
parent 154daf584c
commit 3b79ba8451
2 changed files with 28 additions and 32 deletions
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53
examples/device/nrf52840/src/msc_flash_qspi.c
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@@ -68,28 +68,24 @@ int32_t tud_msc_read10_cb(uint8_t lun, uint32_t lba, uint32_t offset, void* buff
{
uint32_t addr = lba * CFG_TUD_MSC_BLOCK_SZ + offset;
switch ( _fl_state )
{
case FLASH_STATE_IDLE:
_fl_state = FLASH_STATE_BUSY;
flash_read(buffer, addr, bufsize);
return 0; // data not ready
// switch ( _fl_state )
// {
// case FLASH_STATE_IDLE:
// _fl_state = FLASH_STATE_BUSY;
// flash_read(buffer, addr, bufsize);
// return 0; // data not ready
//
// case FLASH_STATE_BUSY:
// return 0; // data not ready
//
// case FLASH_STATE_COMPLETE:
// _fl_state = FLASH_STATE_IDLE;
// return bufsize;
//
// default:
// _fl_state = FLASH_STATE_IDLE;
// return -1;
// }
case FLASH_STATE_BUSY:
return 0; // data not ready
flash_read(buffer, addr, bufsize);
return bufsize;
case FLASH_STATE_COMPLETE:
_fl_state = FLASH_STATE_IDLE;
return bufsize;
default:
_fl_state = FLASH_STATE_IDLE;
return -1;
}
}
// Callback invoked when received WRITE10 command.
@@ -128,16 +124,16 @@ void flash_flush (void)
if ( _fl_addr == NO_CACHE ) return;
TU_ASSERT(NRFX_SUCCESS == nrfx_qspi_erase(NRF_QSPI_ERASE_LEN_4KB, _fl_addr),);
// while ( _fl_state != FLASH_STATE_COMPLETE )
// {
// }
// _fl_state = FLASH_STATE_IDLE;
while ( _fl_state != FLASH_STATE_COMPLETE )
{
}
_fl_state = FLASH_STATE_IDLE;
TU_ASSERT(NRFX_SUCCESS == nrfx_qspi_write(_fl_buf, FLASH_PAGE_SIZE, _fl_addr),);
// while ( _fl_state != FLASH_STATE_COMPLETE )
// {
// }
// _fl_state = FLASH_STATE_IDLE;
while ( _fl_state != FLASH_STATE_COMPLETE )
{
}
_fl_state = FLASH_STATE_IDLE;
_fl_addr = NO_CACHE;
}
@@ -153,6 +149,7 @@ void flash_write (uint32_t dst, const void *src, int len)
flash_read(_fl_buf, newAddr, FLASH_PAGE_SIZE);
}
memcpy(_fl_buf + (dst & (FLASH_PAGE_SIZE - 1)), src, len);
}