44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
#include <Tactility/TactilityCore.h>
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#include <driver/ledc.h>
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constexpr auto* TAG = "Waveshare";
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constexpr auto LCD_BL_LEDC_TIMER = LEDC_TIMER_0;
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constexpr auto LCD_BL_LEDC_MODE = LEDC_LOW_SPEED_MODE;
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constexpr auto LCD_BL_LEDC_CHANNEL = LEDC_CHANNEL_0;
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constexpr auto LCD_BL_LEDC_DUTY_RES = LEDC_TIMER_10_BIT;
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constexpr auto LCD_BL_LEDC_DUTY = 1024;
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constexpr auto LCD_BL_LEDC_FREQUENCY = 10000;
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void setBacklightDuty(uint8_t level) {
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uint32_t duty = (level * (LCD_BL_LEDC_DUTY - 1)) / 255;
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ESP_ERROR_CHECK(ledc_set_duty(LCD_BL_LEDC_MODE, LCD_BL_LEDC_CHANNEL, duty));
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ESP_ERROR_CHECK(ledc_update_duty(LCD_BL_LEDC_MODE, LCD_BL_LEDC_CHANNEL));
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}
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void initBacklight() {
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ledc_timer_config_t timer_config = {
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.speed_mode = LCD_BL_LEDC_MODE,
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.duty_resolution = LCD_BL_LEDC_DUTY_RES,
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.timer_num = LCD_BL_LEDC_TIMER,
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.freq_hz = LCD_BL_LEDC_FREQUENCY,
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.clk_cfg = LEDC_AUTO_CLK};
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ESP_ERROR_CHECK(ledc_timer_config(&timer_config));
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ledc_channel_config_t channel_config = {
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.gpio_num = GPIO_NUM_46,
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.speed_mode = LCD_BL_LEDC_MODE,
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.channel = LCD_BL_LEDC_CHANNEL,
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.intr_type = LEDC_INTR_DISABLE,
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.timer_sel = LCD_BL_LEDC_TIMER,
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.duty = 0, // Set duty to 0%
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.hpoint = 0};
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ESP_ERROR_CHECK(ledc_channel_config(&channel_config));
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}
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bool initBoot() {
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ESP_LOGI(TAG, LOG_MESSAGE_POWER_ON_START);
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initBacklight();
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return true;
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}
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