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refactor(gpio): public some IO configuration functions

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This allows different peripheral drivers to act on the same IO.
This commit is contained in:
Song Ruo Jing
2024-08-28 18:31:32 +08:00
parent 1b6a829e81
commit e1d3d830ce
28 changed files with 349 additions and 88 deletions
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2
components/esp_driver_ledc/src/ledc.c
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@@ -650,8 +650,6 @@ esp_err_t ledc_timer_config(const ledc_timer_config_t *timer_conf)
esp_err_t _ledc_set_pin(int gpio_num, bool out_inv, ledc_mode_t speed_mode, ledc_channel_t channel)
{
gpio_func_sel(gpio_num, PIN_FUNC_GPIO);
gpio_set_level(gpio_num, out_inv);
gpio_set_direction(gpio_num, GPIO_MODE_OUTPUT);
// reserve the GPIO output path, because we don't expect another peripheral to signal to the same GPIO
uint64_t old_gpio_rsv_mask = esp_gpio_reserve(BIT64(gpio_num));
// check if the GPIO is already used by others, LEDC signal only uses the output path of the GPIO