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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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9
examples/peripherals/jpeg/jpeg_decode/main/Kconfig.projbuild
View File

@ -6,4 +6,13 @@ menu "JPEG Decode Example menu"
help
If this config item is set, format_if_mount_failed will be set to true and the card will be formatted if
the mount has failed.
config EXAMPLE_SDMMC_IO_POWER_INTERNAL_LDO
depends on SOC_SDMMC_IO_POWER_EXTERNAL
bool "SDMMC IO power supply comes from internal LDO (READ HELP!)"
default y
help
Please read the schematic first and check if the SDMMC VDD is connected to any internal LDO output.
If the SDMMC is powered by an external supplier, unselect me
endmenu

23
examples/peripherals/jpeg/jpeg_decode/main/jpeg_decode_main.c
View File

@ -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)

9
examples/peripherals/jpeg/jpeg_encode/main/Kconfig.projbuild
View File

@ -6,4 +6,13 @@ menu "JPEG Encode Example menu"
help
If this config item is set, format_if_mount_failed will be set to true and the card will be formatted if
the mount has failed.
config EXAMPLE_SDMMC_IO_POWER_INTERNAL_LDO
depends on SOC_SDMMC_IO_POWER_EXTERNAL
bool "SDMMC IO power supply comes from internal LDO (READ HELP!)"
default y
help
Please read the schematic first and check if the SDMMC VDD is connected to any internal LDO output.
If the SDMMC is powered by an external supplier, unselect me
endmenu

23
examples/peripherals/jpeg/jpeg_encode/main/jpeg_encode_main.c
View File

@ -10,6 +10,7 @@
#include "sdmmc_cmd.h"
#include "driver/sdmmc_host.h"
#include "driver/jpeg_encode.h"
#include "sd_pwr_ctrl_by_on_chip_ldo.h"
static const char *TAG = "jpeg.example";
static sdmmc_card_t *s_card;
@ -35,6 +36,21 @@ 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();
@ -62,6 +78,13 @@ 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)