Support IDF version < v4.3
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3c4399d510
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11c240daca
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@ -10,7 +10,8 @@
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#include "driver/ledc.h"
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#include "driver/gpio.h"
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#include "esp_log.h"
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#include "esp_rom_gpio.h" // for output signal inversion
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#include "esp_rom_gpio.h" // for output signal inversion
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#include "soc/ledc_periph.h" // to invert LEDC output on IDF version < v4.3
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typedef struct {
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bool pwm_control; // true: LEDC is used, false: GPIO is used
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@ -40,8 +41,7 @@ disp_backlight_h disp_backlight_new(const disp_backlight_config_t *config)
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.intr_type = LEDC_INTR_DISABLE,
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.timer_sel = config->timer_idx,
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.duty = 0,
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.hpoint = 0,
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.flags.output_invert = config->output_invert //@todo added only in recent IDF versions
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.hpoint = 0
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};
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const ledc_timer_config_t LCD_backlight_timer = {
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.speed_mode = LEDC_LOW_SPEED_MODE,
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@ -52,6 +52,7 @@ disp_backlight_h disp_backlight_new(const disp_backlight_config_t *config)
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ESP_ERROR_CHECK(ledc_timer_config(&LCD_backlight_timer));
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ESP_ERROR_CHECK(ledc_channel_config(&LCD_backlight_channel));
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esp_rom_gpio_connect_out_signal(config->gpio_num, ledc_periph_signal[LEDC_LOW_SPEED_MODE].sig_out0_idx + config->channel_idx, config->output_invert, 0);
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}
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else
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{
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