feedc0de/esp-idf
1
0
Fork 0
forked from espressif/esp-idf
Code Pull Requests Activity

sdmmc: implement card power control for esp32c3 sdmmc breakout board

Browse Source
This commit is contained in:
Ivan Grokhotkov
2023-05-25 19:12:06 +02:00
parent 72bf74f904
commit c94853786f
1 changed files with 33 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
components/sdmmc/test_apps/sdmmc_console/components/sdmmc_test_board/sdmmc_test_board_defs.c
View File

@@ -237,6 +237,38 @@ static const sdmmc_test_board_info_t s_board_info = {
#elif CONFIG_SDMMC_BOARD_ESP32C3_BREAKOUT #elif CONFIG_SDMMC_BOARD_ESP32C3_BREAKOUT
#define SD_BREAKOUT_BOARD_EN_GPIO 10
#define SD_BREAKOUT_BOARD_EN_LEVEL 0
#define SD_BREAKOUT_BOARD_PWR_RST_DELAY_MS 100
#define SD_BREAKOUT_BOARD_PWR_ON_DELAY_MS 100
static void card_power_set_esp32c3_breakout(bool en)
{
if (en) {
/* power off to make sure card is reset */
gpio_set_direction(SD_BREAKOUT_BOARD_EN_GPIO, GPIO_MODE_OUTPUT);
gpio_set_level(SD_BREAKOUT_BOARD_EN_GPIO, !SD_BREAKOUT_BOARD_EN_LEVEL);
/* set CMD low to discharge capacitors on VDD_SDIO */
gpio_reset_pin(4);
gpio_set_direction(4, GPIO_MODE_OUTPUT);
gpio_set_level(4, 0);
usleep(SD_BREAKOUT_BOARD_PWR_RST_DELAY_MS * 1000);
/* power on */
gpio_reset_pin(4);
gpio_set_level(SD_BREAKOUT_BOARD_EN_GPIO, SD_BREAKOUT_BOARD_EN_LEVEL);
usleep(SD_BREAKOUT_BOARD_PWR_ON_DELAY_MS * 1000);
} else {
gpio_set_level(SD_BREAKOUT_BOARD_EN_GPIO, !SD_BREAKOUT_BOARD_EN_LEVEL);
gpio_set_direction(SD_BREAKOUT_BOARD_EN_GPIO, GPIO_MODE_INPUT);
/* set CMD low to discharge capacitors on VDD_SDIO */
gpio_reset_pin(4);
gpio_set_direction(4, GPIO_MODE_OUTPUT);
gpio_set_level(4, 0);
usleep(SD_BREAKOUT_BOARD_PWR_RST_DELAY_MS * 1000);
gpio_reset_pin(4);
}
}
static const sdmmc_test_board_info_t s_board_info = { static const sdmmc_test_board_info_t s_board_info = {
.name = "ESP32-C3 breakout board", .name = "ESP32-C3 breakout board",
.slot = { .slot = {
@@ -261,6 +293,7 @@ static const sdmmc_test_board_info_t s_board_info = {
.unused_pin = 2, .unused_pin = 2,
} }
}, },
.card_power_set = card_power_set_esp32c3_breakout
}; };
#elif CONFIG_SDMMC_BOARD_CUSTOM_SD #elif CONFIG_SDMMC_BOARD_CUSTOM_SD