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fix(sdmmc): Fix ACMD22 DMA buffer problem for ESP32-P4

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This commit is contained in:
Adam Múdry 2024-11-11 14:03:53 +01:00 committed by BOT
parent 2d5d2509fb
commit 94aa1c0d5d
1 changed files with 17 additions and 6 deletions
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23
components/sdmmc/sdmmc_cmd.c
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@ -410,27 +410,38 @@ esp_err_t sdmmc_send_cmd_send_status(sdmmc_card_t* card, uint32_t* out_status)
esp_err_t sdmmc_send_cmd_num_of_written_blocks(sdmmc_card_t* card, size_t* out_num_blocks)
{
size_t datalen = sizeof(uint32_t);
esp_err_t err = ESP_OK;
uint32_t buf = 0;
void* buf = NULL;
esp_dma_mem_info_t dma_mem_info;
card->host.get_dma_info(card->host.slot, &dma_mem_info);
size_t actual_size = 0;
err = esp_dma_capable_malloc(datalen, &dma_mem_info, &buf, &actual_size);
if (err != ESP_OK) {
return err;
}
sdmmc_command_t cmd = {
.data = &buf,
.datalen = sizeof(buf),
.buflen = sizeof(buf),
.blklen = sizeof(buf),
.data = buf,
.datalen = datalen,
.buflen = actual_size,
.blklen = datalen,
.flags = SCF_CMD_ADTC | SCF_RSP_R1 | SCF_CMD_READ,
.opcode = SD_APP_SEND_NUM_WR_BLOCKS
};
err = sdmmc_send_app_cmd(card, &cmd);
if (err != ESP_OK) {
free(buf);
ESP_LOGE(TAG, "%s: sdmmc_send_app_cmd returned 0x%x, failed to get number of written write blocks", __func__, err);
return err;
}
size_t result = __builtin_bswap32(buf);
size_t result = __builtin_bswap32(*(uint32_t*)buf);
if (out_num_blocks) {
*out_num_blocks = result;
}
free(buf);
return err;
}