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stmhal/sdcard.c: add pyb.SD.write

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This commit is contained in:
Felix Domke 2014-09-09 16:09:07 +02:00 committed by Damien George
parent 09de030651
commit 6ff42c54bb
1 changed files with 24 additions and 4 deletions
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28
stmhal/sdcard.c
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@ -29,6 +29,7 @@
#include <stm32f4xx_hal.h>
#include "mpconfig.h"
#include "nlr.h"
#include "misc.h"
#include "qstr.h"
#include "obj.h"
@ -36,6 +37,7 @@
#include "sdcard.h"
#include "pin.h"
#include "genhdr/pins.h"
#include "bufhelper.h"
#if MICROPY_HW_HAS_SDCARD
@ -154,7 +156,7 @@ bool sdcard_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_blocks)
// buffer and we can't let it fill up in the middle of a read.
// This will not be needed when SD uses DMA for transfer.
__disable_irq();
HAL_SD_ErrorTypedef err = HAL_SD_ReadBlocks(&sd_handle, (uint32_t*)dest, block_num * SDCARD_BLOCK_SIZE, SDCARD_BLOCK_SIZE, num_blocks);
HAL_SD_ErrorTypedef err = HAL_SD_ReadBlocks(&sd_handle, (uint32_t*)dest, (uint64_t)block_num * SDCARD_BLOCK_SIZE, SDCARD_BLOCK_SIZE, num_blocks);
__enable_irq();
if (err != SD_OK) {
@ -179,7 +181,7 @@ bool sdcard_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t num_bl
// buffer and we can't let it drain to empty in the middle of a write.
// This will not be needed when SD uses DMA for transfer.
__disable_irq();
HAL_SD_ErrorTypedef err = HAL_SD_WriteBlocks(&sd_handle, (uint32_t*)src, block_num * SDCARD_BLOCK_SIZE, SDCARD_BLOCK_SIZE, num_blocks);
HAL_SD_ErrorTypedef err = HAL_SD_WriteBlocks(&sd_handle, (uint32_t*)src, (uint64_t)block_num * SDCARD_BLOCK_SIZE, SDCARD_BLOCK_SIZE, num_blocks);
__enable_irq();
if (err != SD_OK) {
@ -203,7 +205,7 @@ bool sdcard_read_blocks_dma(uint8_t *dest, uint32_t block_num, uint32_t num_bloc
}
// do the read
if (HAL_SD_ReadBlocks_DMA(&sd_handle, (uint32_t*)dest, block_num * SDCARD_BLOCK_SIZE, SDCARD_BLOCK_SIZE) != SD_OK) {
if (HAL_SD_ReadBlocks_DMA(&sd_handle, (uint32_t*)dest, (uint64_t)block_num * SDCARD_BLOCK_SIZE, SDCARD_BLOCK_SIZE) != SD_OK) {
return false;
}
@ -228,7 +230,7 @@ bool sdcard_write_blocks_dma(const uint8_t *src, uint32_t block_num, uint32_t nu
SD_Error status;
status = HAL_SD_WriteBlock_DMA(&sd_handle, (uint32_t*)src, block_num * SDCARD_BLOCK_SIZE, SDCARD_BLOCK_SIZE, num_blocks);
status = HAL_SD_WriteBlock_DMA(&sd_handle, (uint32_t*)src, (uint64_t)block_num * SDCARD_BLOCK_SIZE, SDCARD_BLOCK_SIZE, num_blocks);
if (status != SD_OK) {
return false;
}
@ -276,10 +278,28 @@ static mp_obj_t sd_read(mp_obj_t self, mp_obj_t block_num) {
static MP_DEFINE_CONST_FUN_OBJ_2(sd_read_obj, sd_read);
static mp_obj_t sd_write(mp_obj_t self, mp_obj_t block_num, mp_obj_t source) {
mp_buffer_info_t bufinfo;
uint8_t tmp[1];
pyb_buf_get_for_send(source, &bufinfo, tmp);
if (bufinfo.len % SDCARD_BLOCK_SIZE != 0) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "writes must be aligned to SDCARD_BLOCK_SIZE (%d) bytes", SDCARD_BLOCK_SIZE));
}
if (!sdcard_write_blocks(bufinfo.buf, mp_obj_get_int(block_num), bufinfo.len / SDCARD_BLOCK_SIZE)) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_Exception, "sdcard_write_blocks failed"));
}
return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_3(sd_write_obj, sd_write);
STATIC const mp_map_elem_t sdcard_locals_dict_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_present), (mp_obj_t)&sd_present_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_power), (mp_obj_t)&sd_power_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_read), (mp_obj_t)&sd_read_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_write), (mp_obj_t)&sd_write_obj },
};
STATIC MP_DEFINE_CONST_DICT(sdcard_locals_dict, sdcard_locals_dict_table);