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esp_lcd_backlight: Handle different versions of ESP-IDF

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C47D 2022-01-14 16:49:53 -06:00
parent 9b666658ea
commit 2f70856205
1 changed files with 17 additions and 0 deletions
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17
lvgl_tft/esp_lcd_backlight.c
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@ -12,6 +12,11 @@
#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
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0)
#include "esp_rom_gpio.h"
#include "soc/gpio_sig_map.h"
#endif
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
int index; // Either GPIO or LEDC channel int index; // Either GPIO or LEDC channel
@ -56,15 +61,27 @@ disp_backlight_h disp_backlight_new(const disp_backlight_config_t *config)
ESP_ERROR_CHECK(ledc_timer_config(&LCD_backlight_timer)); ESP_ERROR_CHECK(ledc_timer_config(&LCD_backlight_timer));
ESP_ERROR_CHECK(ledc_channel_config(&LCD_backlight_channel)); ESP_ERROR_CHECK(ledc_channel_config(&LCD_backlight_channel));
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0)
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);
#else
gpio_matrix_out(config->gpio_num, ledc_periph_signal[LEDC_LOW_SPEED_MODE].sig_out0_idx + config->channel_idx, config->output_invert, 0); gpio_matrix_out(config->gpio_num, ledc_periph_signal[LEDC_LOW_SPEED_MODE].sig_out0_idx + config->channel_idx, config->output_invert, 0);
#endif
} }
else else
{ {
// Configure GPIO for output // Configure GPIO for output
bckl_dev->index = config->gpio_num; bckl_dev->index = config->gpio_num;
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0)
esp_rom_gpio_pad_select_gpio(config->num);
#else
gpio_pad_select_gpio(config->gpio_num); gpio_pad_select_gpio(config->gpio_num);
#endif
ESP_ERROR_CHECK(gpio_set_direction(config->gpio_num, GPIO_MODE_OUTPUT)); ESP_ERROR_CHECK(gpio_set_direction(config->gpio_num, GPIO_MODE_OUTPUT));
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0)
esp_rom_gpio_connect_out_signal(config->gpio_num, SIG_GPIO_OUT_IDX, config->output_invert, false);
#else
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);
#endif
} }
return (disp_backlight_h)bckl_dev; return (disp_backlight_h)bckl_dev;