backlight

1 files changed, 5 insertions, 2 deletions

diff --git a/src/driver.cpp b/src/driver.cpp
index a7b235c..2d22065 100644
--- a/src/driver.cpp
+++ b/src/driver.cpp
@@ -4,22 +4,25 @@
 #include <WebServer.h>
 
 #define WIFI_HOTSPOT_IP "192.168.4.1"
+#define BACKLIGHT_PIN 22
 
 static TFT_eSPI tft;
 
 void display_setup(void) {
+    pinMode(BACKLIGHT_PIN, OUTPUT);
+    digitalWrite(BACKLIGHT_PIN, HIGH);
     tft.init();
     tft.setRotation(1);
     tft.writecommand(TFT_DISPON);
     tft.fillScreen(TFT_BLACK);
 }
-
 void display_on(void) {
     tft.writecommand(TFT_DISPON);
+    digitalWrite(BACKLIGHT_PIN, HIGH);
 }
-
 void display_off(void) {
     tft.writecommand(TFT_DISPOFF);
+    digitalWrite(BACKLIGHT_PIN, LOW);
 }
 
 void display_begin(void) {