lvgl_esp32_drivers/lv_port/lv_port_display_espressif.c
2021-10-01 12:11:28 -05:00

58 lines
1.1 KiB
C

#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "display_port.h"
#include "sdkconfig.h"
#include "driver/gpio.h"
void display_port_delay(lv_disp_drv_t *drv, uint32_t delay_ms)
{
(void) drv;
vTaskDelay(pdMS_TO_TICKS(delay_ms));
}
void display_port_backlight(lv_disp_drv_t *drv, uint8_t state)
{
(void) drv;
#ifdef CONFIG_LV_DISP_PIN_BCKL
gpio_set_level(CONFIG_LV_DISP_PIN_BCKL, state);
#endif
}
void display_port_gpio_dc(lv_disp_drv_t *drv, uint8_t state)
{
(void) drv;
#ifdef CONFIG_LV_DISPLAY_USE_DC
gpio_set_level(CONFIG_LV_DISP_PIN_DC, state);
#endif
}
void display_port_gpio_rst(lv_disp_drv_t *drv, uint8_t state)
{
(void) drv;
#ifdef CONFIG_LV_DISP_USE_RST
gpio_set_level(CONFIG_LV_DISP_PIN_RST, state);
#endif
}
bool display_port_gpio_is_busy(lv_disp_drv_t *drv)
{
(void) drv;
bool device_busy = false;
#ifdef CONFIG_LV_DISP_PIN_BUSY
/* FIXME Assuming the busy signal in logic 1 means the device is busy */
if (gpio_get_level(CONFIG_LV_DISP_PIN_BUSY) == 1) {
device_busy = true;
}
#endif
return device_busy;
}