zenermerps/lvgl_esp32_drivers
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backlight fixup

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This commit is contained in:
Luc Appelman 2023-05-17 10:17:21 +02:00
parent a73c429954
commit 799e2d7f39
1 changed files with 3 additions and 2 deletions
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5
lvgl_tft/esp_lcd_backlight.c
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@ -11,6 +11,8 @@
#include "driver/gpio.h" #include "driver/gpio.h"
#include "esp_log.h" #include "esp_log.h"
#include "soc/ledc_periph.h" // to invert LEDC output on IDF version < v4.3 #include "soc/ledc_periph.h" // to invert LEDC output on IDF version < v4.3
#include "soc/gpio_sig_map.h"
#include "esp32/rom/gpio.h"
typedef struct { typedef struct {
bool pwm_control; // true: LEDC is used, false: GPIO is used bool pwm_control; // true: LEDC is used, false: GPIO is used
@ -49,7 +51,6 @@ disp_backlight_h disp_backlight_new(const disp_backlight_config_t *config)
}; };
const ledc_timer_config_t LCD_backlight_timer = { const ledc_timer_config_t LCD_backlight_timer = {
.speed_mode = LEDC_LOW_SPEED_MODE, .speed_mode = LEDC_LOW_SPEED_MODE,
.bit_num = LEDC_TIMER_10_BIT,
.timer_num = config->timer_idx, .timer_num = config->timer_idx,
.freq_hz = 5000, .freq_hz = 5000,
.clk_cfg = LEDC_AUTO_CLK}; .clk_cfg = LEDC_AUTO_CLK};
@ -62,7 +63,7 @@ disp_backlight_h disp_backlight_new(const disp_backlight_config_t *config)
{ {
// Configure GPIO for output // Configure GPIO for output
bckl_dev->index = config->gpio_num; bckl_dev->index = config->gpio_num;
gpio_pad_select_gpio(config->gpio_num); gpio_reset_pin(config->gpio_num);
ESP_ERROR_CHECK(gpio_set_direction(config->gpio_num, GPIO_MODE_OUTPUT)); ESP_ERROR_CHECK(gpio_set_direction(config->gpio_num, GPIO_MODE_OUTPUT));
gpio_matrix_out(config->gpio_num, SIG_GPIO_OUT_IDX, config->output_invert, false); gpio_matrix_out(config->gpio_num, SIG_GPIO_OUT_IDX, config->output_invert, false);
} }