flipperzero-firmware/applications/backlight-control/backlight-control.c

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2020-10-15 16:15:53 +00:00
#include "flipper.h"
static void event_cb(const void* value, size_t size, void* ctx) {
xSemaphoreGive((SemaphoreHandle_t*)ctx);
}
const uint32_t BACKLIGHT_TIME = 10000;
void backlight_control(void* p) {
// TODO use FURI
HAL_GPIO_WritePin(DISPLAY_BACKLIGHT_GPIO_Port, DISPLAY_BACKLIGHT_Pin, GPIO_PIN_SET);
StaticSemaphore_t event_descriptor;
SemaphoreHandle_t update = xSemaphoreCreateCountingStatic(255, 0, &event_descriptor);
// open record
furi_open_deprecated("input_events", false, false, event_cb, NULL, (void*)update);
// we ready to work
furiac_ready();
while(1) {
// wait for event
if(xSemaphoreTake(update, BACKLIGHT_TIME) == pdTRUE) {
HAL_GPIO_WritePin(DISPLAY_BACKLIGHT_GPIO_Port, DISPLAY_BACKLIGHT_Pin, GPIO_PIN_SET);
} else {
HAL_GPIO_WritePin(DISPLAY_BACKLIGHT_GPIO_Port, DISPLAY_BACKLIGHT_Pin, GPIO_PIN_RESET);
}
}
}