Fixed GT911 return val

lewisxhe · Sep 28, 2023 · 29e2199 · 29e2199
1 parent bbd9807
commit 29e2199
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Showing 2 changed files with 10 additions and 7 deletions.
diff --git a/examples/TouchDrv_GT911_GetPoint/TouchDrv_GT911_GetPoint.ino b/examples/TouchDrv_GT911_GetPoint/TouchDrv_GT911_GetPoint.ino
@@ -60,7 +60,7 @@ void setup()
 
     touch.setPins(SENSOR_RST, SENSOR_IRQ);
 
-    if (!touch.init(Wire,  SENSOR_SDA, SENSOR_SCL, GT911_SLAVE_ADDRESS_L )) {
+    if (!touch.init(Wire,  SENSOR_SDA, SENSOR_SCL, GT911_SLAVE_ADDRESS_H )) {
         while (1) {
             Serial.println("Failed to find GT911 - check your wiring!");
             delay(1000);
@@ -77,9 +77,7 @@ void setup()
 void loop()
 {
     if (touch.isPressed()) {
-        uint8_t point = touch.getPoint(x, y, 5);
-        Serial.print("Point:"); Serial.println(point);
-        uint8_t touched = touch.getPoint(x, y, 2);
+        uint8_t touched = touch.getPoint(x, y, touch.getSupportTouchPoint());
         for (int i = 0; i < touched; ++i) {
             Serial.print("X[");
             Serial.print(i);

diff --git a/src/TouchDrvGT911.hpp b/src/TouchDrvGT911.hpp
@@ -125,6 +125,11 @@ class TouchDrvGT911 :
 
     void reset()
     {
+        if (__rst != SENSOR_PIN_NONE) {
+            setRstPinMode(OUTPUT);
+            setRstValue(HIGH);
+            delay(10);
+        }
         writeRegister(GT911_COMMAND, 0x02);
     }
 
@@ -174,11 +179,11 @@ class TouchDrvGT911 :
         uint8_t buffer[39];
 
         if (!x_array || !y_array || size == 0)
-            return DEV_WIRE_ERR;
+            return 0;
 
         int touchPoint = readRegister(GT911_POINT_INFO);
         if (touchPoint == DEV_WIRE_ERR) {
-            return DEV_WIRE_ERR;
+            return 0;
         }
 
         touchPoint &= 0x0F;
@@ -189,7 +194,7 @@ class TouchDrvGT911 :
         clearBuffer();
 
         if (readRegister(GT911_POINT_1, buffer, 39) == DEV_WIRE_ERR) {
-            return DEV_WIRE_ERR;
+            return 0;
         }