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bootloader: Add selectable level for factory reset pin

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Closes https://github.com/espressif/esp-idf/pull/7089
This commit is contained in:
chegewara
2021-05-31 12:57:08 +02:00
committed by bot
parent acc1e543b0
commit fb7234a13d
4 changed files with 14 additions and 5 deletions
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8
components/bootloader/Kconfig.projbuild
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@@ -131,6 +131,14 @@ menu "Bootloader config"
To trigger a factory reset, this GPIO must be pulled low on reset. To trigger a factory reset, this GPIO must be pulled low on reset.
Note that GPIO34-39 do not have an internal pullup and an external one must be provided. Note that GPIO34-39 do not have an internal pullup and an external one must be provided.
config BOOTLOADER_PIN_LEVEL_FACTORY_RESET
int "Level of the GPIO input for factory reset"
depends on BOOTLOADER_FACTORY_RESET
range 0 1
default 0
help
Pin level for factory reset. 0 for LOW and 1 for HIGH.
config BOOTLOADER_OTA_DATA_ERASE config BOOTLOADER_OTA_DATA_ERASE
bool "Clear OTA data on factory reset (select factory partition)" bool "Clear OTA data on factory reset (select factory partition)"
depends on BOOTLOADER_FACTORY_RESET depends on BOOTLOADER_FACTORY_RESET

2
components/bootloader/subproject/main/bootloader_start.c
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@@ -79,7 +79,7 @@ static int selected_boot_partition(const bootloader_state_t *bs)
if (bootloader_common_get_reset_reason(0) != DEEPSLEEP_RESET) { if (bootloader_common_get_reset_reason(0) != DEEPSLEEP_RESET) {
// Factory firmware. // Factory firmware.
#ifdef CONFIG_BOOTLOADER_FACTORY_RESET #ifdef CONFIG_BOOTLOADER_FACTORY_RESET
if (bootloader_common_check_long_hold_gpio(CONFIG_BOOTLOADER_NUM_PIN_FACTORY_RESET, CONFIG_BOOTLOADER_HOLD_TIME_GPIO) == 1) { if (bootloader_common_check_long_hold_gpio(CONFIG_BOOTLOADER_NUM_PIN_FACTORY_RESET, CONFIG_BOOTLOADER_HOLD_TIME_GPIO, CONFIG_BOOTLOADER_PIN_LEVEL_FACTORY_RESET) == 1) {
ESP_LOGI(TAG, "Detect a condition of the factory reset"); ESP_LOGI(TAG, "Detect a condition of the factory reset");
bool ota_data_erase = false; bool ota_data_erase = false;
#ifdef CONFIG_BOOTLOADER_OTA_DATA_ERASE #ifdef CONFIG_BOOTLOADER_OTA_DATA_ERASE

3
components/bootloader_support/include/bootloader_common.h
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@@ -70,9 +70,10 @@ bool bootloader_common_ota_select_invalid(const esp_ota_select_entry_t *s);
* *
* @param[in] num_pin Number of the GPIO input. * @param[in] num_pin Number of the GPIO input.
* @param[in] delay_sec Input must be driven low for at least this long, continuously. * @param[in] delay_sec Input must be driven low for at least this long, continuously.
* @param[in] level Input pin level to trigger lang hold, 0 - LOW, 1 - HIGH
* @return esp_comm_gpio_hold_t Defines type of hold a GPIO in low state. * @return esp_comm_gpio_hold_t Defines type of hold a GPIO in low state.
*/ */
esp_comm_gpio_hold_t bootloader_common_check_long_hold_gpio(uint32_t num_pin, uint32_t delay_sec); esp_comm_gpio_hold_t bootloader_common_check_long_hold_gpio(uint32_t num_pin, uint32_t delay_sec, int level);
/** /**
* @brief Erase the partition data that is specified in the transferred list. * @brief Erase the partition data that is specified in the transferred list.

6
components/bootloader_support/src/bootloader_common.c
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@@ -39,7 +39,7 @@
static const char* TAG = "boot_comm"; static const char* TAG = "boot_comm";
esp_comm_gpio_hold_t bootloader_common_check_long_hold_gpio(uint32_t num_pin, uint32_t delay_sec) esp_comm_gpio_hold_t bootloader_common_check_long_hold_gpio(uint32_t num_pin, uint32_t delay_sec, int level)
{ {
esp_rom_gpio_pad_select_gpio(num_pin); esp_rom_gpio_pad_select_gpio(num_pin);
if (GPIO_PIN_MUX_REG[num_pin]) { if (GPIO_PIN_MUX_REG[num_pin]) {
@@ -47,11 +47,11 @@ esp_comm_gpio_hold_t bootloader_common_check_long_hold_gpio(uint32_t num_pin, ui
} }
esp_rom_gpio_pad_pullup_only(num_pin); esp_rom_gpio_pad_pullup_only(num_pin);
uint32_t tm_start = esp_log_early_timestamp(); uint32_t tm_start = esp_log_early_timestamp();
if (gpio_ll_get_level(&GPIO, num_pin) == 1) { if (gpio_ll_get_level(&GPIO, num_pin) != level) {
return GPIO_NOT_HOLD; return GPIO_NOT_HOLD;
} }
do { do {
if (gpio_ll_get_level(&GPIO, num_pin) != 0) { if (gpio_ll_get_level(&GPIO, num_pin) != level) {
return GPIO_SHORT_HOLD; return GPIO_SHORT_HOLD;
} }
} while (delay_sec > ((esp_log_early_timestamp() - tm_start) / 1000L)); } while (delay_sec > ((esp_log_early_timestamp() - tm_start) / 1000L));