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Improve SDIO handling

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This commit is contained in:
Mario Hüttel
2020-08-17 22:10:04 +02:00
parent 543127b187
commit 4e9b28ce15
5 changed files with 60 additions and 14 deletions
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60
stm-firmware/fatfs/shimatta_sdio_driver/shimatta_sdio.c
View File

@@ -417,6 +417,26 @@ static int sdio_send_go_idle_cmd0() {
return 0;
}
static int sdio_send_stop_transmission_cmd12()
{
int res;
uint32_t response;
sdio_send_cmd(12, 0, SHORT_ANS);
res = sdio_get_response(12, SHORT_ANS, &response);
return res;
}
static int sdio_send_write_multiple_blocks_cmd25(uint32_t address)
{
int res;
uint32_t response;
sdio_send_cmd(25, address, SHORT_ANS);
res = sdio_get_response(25, SHORT_ANS, &response);
return res;
}
static enum cmd8_ret sdio_send_iface_condition_cmd8()
{
uint32_t response;
@@ -606,6 +626,11 @@ DSTATUS sdio_initialize(){
return 0;
}
void sdio_stop_clk()
{
SDIO->POWER = 0UL;
}
DRESULT sdio_disk_read(BYTE *buff, DWORD sector, UINT count){
uint32_t addr;
uint32_t sdio_status;
@@ -713,27 +738,39 @@ DRESULT sdio_disk_write(const BYTE *buff, DWORD sector, UINT count)
union sdio_status_conv status;
uint32_t buff_offset = 0;
int ret;
UINT count_backup = count;
if (sdio_check_write_protection())
return RES_WRPRT;
addr = (card_info.type == SD_V2_HC ? (sector) : (sector * 512));
while (count) {
ret = sdio_check_status_register_cmd13(card_info.rca, &status.value);
ret = sdio_check_status_register_cmd13(card_info.rca, &status.value);
if (ret)
return RES_ERROR;
if (status.statusstruct.CURRENT_STATE == CURRENT_STATE_STBY) {
if (sdio_send_select_card_cmd7(card_info.rca))
return RES_ERROR;
}
while (status.statusstruct.READY_FOR_DATA != 1) {
ret = sdio_check_status_register_cmd13(card_info.rca, &status.value);
if (ret)
return RES_ERROR;
}
if (status.statusstruct.CURRENT_STATE == CURRENT_STATE_STBY) {
if (sdio_send_select_card_cmd7(card_info.rca))
return RES_ERROR;
}
if (count > 1)
ret = sdio_send_write_multiple_blocks_cmd25(addr);
else if (count == 1)
ret = sdio_send_write_block_cmd24(addr);
if (ret) {
return RES_ERROR;
}
else
ret = RES_PARERR;
if (ret)
return RES_ERROR;
while (count) {
sdio_write_buffer(512, 9, &buff[buff_offset]);
buff_offset += 512;
@@ -741,5 +778,8 @@ DRESULT sdio_disk_write(const BYTE *buff, DWORD sector, UINT count)
count--;
}
if (count_backup > 1)
(void)sdio_send_stop_transmission_cmd12();
return RES_OK;
}

2
stm-firmware/fatfs/shimatta_sdio_driver/shimatta_sdio.h
View File

@@ -21,7 +21,7 @@ DRESULT sdio_disk_ioctl(BYTE cmd, void* buff);
DWORD get_fattime();
int sdio_check_inserted();
void sdio_stop_clk();
//Defines for Card Status in struct _CardStatus
#define CURRENT_STATE_IDLE 0