backlight control

applications/backlight-control/backlight-control.c

@@ -0,0 +1,30 @@
+#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);
+        }
+    }
+}