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feat(jpeg): update example use ldo for sd card

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This commit is contained in:
Cao Sen Miao
2024-04-18 10:31:50 +08:00
parent 876a3697ec
commit 28b2e5f2bb
4 changed files with 64 additions and 0 deletions
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23
examples/peripherals/jpeg/jpeg_decode/main/jpeg_decode_main.c
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@@ -11,6 +11,7 @@
#include "driver/sdmmc_host.h"
#include "esp_attr.h"
#include "driver/jpeg_decode.h"
#include "sd_pwr_ctrl_by_on_chip_ldo.h"
static const char *TAG = "jpeg.example";
static sdmmc_card_t *s_card;
@@ -38,6 +39,21 @@ static esp_err_t sdcard_init(void)
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
#if CONFIG_EXAMPLE_SDMMC_IO_POWER_INTERNAL_LDO
sd_pwr_ctrl_ldo_config_t ldo_config = {
.ldo_chan_id = 4, // `LDO_VO4` is used as the SDMMC IO power
};
sd_pwr_ctrl_handle_t pwr_ctrl_handle = NULL;
ret = sd_pwr_ctrl_new_on_chip_ldo(&ldo_config, &pwr_ctrl_handle);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "Failed to new an on-chip ldo power control driver");
return ret;
}
host.pwr_ctrl_handle = pwr_ctrl_handle;
#endif
// This initializes the slot without card detect (CD) and write protect (WP) signals.
// Modify slot_config.gpio_cd and slot_config.gpio_wp if your board has these signals.
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
@@ -65,6 +81,13 @@ static void sdcard_deinit(void)
{
const char mount_point[] = MOUNT_POINT;
esp_vfs_fat_sdcard_unmount(mount_point, s_card);
#if SOC_SDMMC_IO_POWER_EXTERNAL
esp_err_t ret = sd_pwr_ctrl_del_on_chip_ldo(s_card->host.pwr_ctrl_handle);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "Failed to delete on-chip ldo power control driver");
return;
}
#endif
}
void app_main(void)