Fix warnings and add sam compatibility

examples/X_NUCLEO_53L0A1_Gesture_DirSwipe/X_NUCLEO_53L0A1_Gesture_DirSwipe.ino

@@ -52,9 +52,25 @@
 #include <tof_gestures.h>
 #include <tof_gestures_DIRSWIPE_1.h>
 
+#ifdef ARDUINO_SAM_DUE
+#define DEV_I2C Wire1
+#elif defined(ARDUINO_ARCH_STM32)
 #define DEV_I2C Wire
+#else
+#define DEV_I2C Wire
+#endif
 #define SerialPort Serial
 
+//For SAM compatibility where D8 and D2 are undefined
+#ifndef D8
+#define D8 8
+#endif
+
+
+#ifndef D2
+#define D2 2
+#endif
+
 // Components.
 STMPE1600DigiOut *xshutdown_top;
 STMPE1600DigiOut *xshutdown_left;
@@ -140,6 +156,26 @@ void setup() {
   // Initialize serial for output.
   SerialPort.begin(115200);
 
+//NOTE: workaround in order to unblock the I2C bus on the Arduino Due
+#ifdef ARDUINO_SAM_DUE
+   pinMode(71, OUTPUT);
+   pinMode(70, OUTPUT);
+
+   for (int i = 0; i<10; i++){
+     digitalWrite(70, LOW);
+     delay(3);
+     digitalWrite(71, HIGH);
+     delay(3);
+     digitalWrite(70, HIGH);
+     delay(3);
+     digitalWrite(71, LOW);
+     delay(3);
+   }
+   pinMode(70, INPUT);
+   pinMode(71, INPUT);
+#endif
+//End of workaround
+
   // Initialize I2C bus.
   DEV_I2C.begin();
   DEV_I2C.setClock(400000);
@@ -190,7 +226,6 @@ void setup() {
 
 void loop() {
   int gesture_code;
-  int status;
 
   sensor_vl53l0x_left->StartMeasurement();
   sensor_vl53l0x_right->StartMeasurement();

examples/X_NUCLEO_53L0A1_Gesture_Swipe1/X_NUCLEO_53L0A1_Gesture_Swipe1.ino

@@ -52,9 +52,25 @@
 #include <tof_gestures.h>
 #include <tof_gestures_SWIPE_1.h>
 
+#ifdef ARDUINO_SAM_DUE
+#define DEV_I2C Wire1
+#elif defined(ARDUINO_ARCH_STM32)
 #define DEV_I2C Wire
+#else
+#define DEV_I2C Wire
+#endif
 #define SerialPort Serial
 
+//For SAM compatibility where D8 and D2 are undefined
+#ifndef D8
+#define D8 8
+#endif
+
+
+#ifndef D2
+#define D2 2
+#endif
+
 // Components.
 STMPE1600DigiOut *xshutdown_top;
 STMPE1600DigiOut *xshutdown_left;
@@ -115,6 +131,26 @@ void setup() {
   // Initialize serial for output.
   SerialPort.begin(115200);
 
+//NOTE: workaround in order to unblock the I2C bus on the Arduino Due
+#ifdef ARDUINO_SAM_DUE
+   pinMode(71, OUTPUT);
+   pinMode(70, OUTPUT);
+
+   for (int i = 0; i<10; i++){
+     digitalWrite(70, LOW);
+     delay(3);
+     digitalWrite(71, HIGH);
+     delay(3);
+     digitalWrite(70, HIGH);
+     delay(3);
+     digitalWrite(71, LOW);
+     delay(3);
+   }
+   pinMode(70, INPUT);
+   pinMode(71, INPUT);
+#endif
+//End of workaround
+
   // Initialize I2C bus.
   DEV_I2C.begin();
 
@@ -157,7 +193,6 @@ void setup() {
 
 void loop() {
   int gesture_code;
-  int status;
 
   sensor_vl53l0x_top->StartMeasurement();
 
@@ -214,5 +249,3 @@ void loop() {
       break;
   }
 }
-
-

examples/X_NUCLEO_53L0A1_Gesture_Tap1/X_NUCLEO_53L0A1_Gesture_Tap1.ino

@@ -52,9 +52,25 @@
 #include <tof_gestures.h>
 #include <tof_gestures_TAP_1.h>
 
+#ifdef ARDUINO_SAM_DUE
+#define DEV_I2C Wire1
+#elif defined(ARDUINO_ARCH_STM32)
 #define DEV_I2C Wire
+#else
+#define DEV_I2C Wire
+#endif
 #define SerialPort Serial
 
+//For SAM compatibility where D8 and D2 are undefined
+#ifndef D8
+#define D8 8
+#endif
+
+
+#ifndef D2
+#define D2 2
+#endif
+
 // Components.
 STMPE1600DigiOut *xshutdown_top;
 STMPE1600DigiOut *xshutdown_left;
@@ -115,6 +131,26 @@ void setup() {
   // Initialize serial for output.
   SerialPort.begin(115200);
 
+//NOTE: workaround in order to unblock the I2C bus on the Arduino Due
+#ifdef ARDUINO_SAM_DUE
+   pinMode(71, OUTPUT);
+   pinMode(70, OUTPUT);
+
+   for (int i = 0; i<10; i++){
+     digitalWrite(70, LOW);
+     delay(3);
+     digitalWrite(71, HIGH);
+     delay(3);
+     digitalWrite(70, HIGH);
+     delay(3);
+     digitalWrite(71, LOW);
+     delay(3);
+   }
+   pinMode(70, INPUT);
+   pinMode(71, INPUT);
+#endif
+//End of workaround
+
   // Initialize I2C bus.
   DEV_I2C.begin();
 
@@ -157,7 +193,6 @@ void setup() {
 
 void loop() {
   int gesture_code;
-  int status;
 
   sensor_vl53l0x_top->StartMeasurement();
 
@@ -214,4 +249,3 @@ void loop() {
       break;
   }
 }
-

examples/X_NUCLEO_53L0A1_HelloWorld/X_NUCLEO_53L0A1_HelloWorld.ino

@@ -50,9 +50,25 @@
 #include <stdint.h>
 #include <assert.h>
 
+#ifdef ARDUINO_SAM_DUE
+#define DEV_I2C Wire1
+#elif defined(ARDUINO_ARCH_STM32)
 #define DEV_I2C Wire
+#else
+#define DEV_I2C Wire
+#endif
 #define SerialPort Serial
 
+//For SAM compatibility where D8 and D2 are undefined
+#ifndef D8
+#define D8 8
+#endif
+
+
+#ifndef D2
+#define D2 2
+#endif
+
 // Components.
 STMPE1600DigiOut *xshutdown_top;
 STMPE1600DigiOut *xshutdown_left;
@@ -71,6 +87,26 @@ void setup() {
   // Initialize serial for output.
   SerialPort.begin(115200);
 
+//NOTE: workaround in order to unblock the I2C bus on the Arduino Due
+#ifdef ARDUINO_SAM_DUE
+   pinMode(71, OUTPUT);
+   pinMode(70, OUTPUT);
+
+   for (int i = 0; i<10; i++){
+     digitalWrite(70, LOW);
+     delay(3);
+     digitalWrite(71, HIGH);
+     delay(3);
+     digitalWrite(70, HIGH);
+     delay(3);
+     digitalWrite(71, LOW);
+     delay(3);
+   }
+   pinMode(70, INPUT);
+   pinMode(71, INPUT);
+#endif
+//End of workaround
+
   // Initialize I2C bus.
   DEV_I2C.begin();
 
@@ -159,4 +195,3 @@ void loop() {
     SerialPort.println(report);
   }
 }
-

library.properties

@@ -1,9 +1,9 @@
 name=STM32duino X-NUCLEO-53L0A1
-version=1.0.1
+version=1.0.2
 author=AST
 maintainer=stm32duino
 sentence=Allows controlling the VL53L0X sensors on board of X-NUCLEO-53L0A1
 paragraph=This library provides simple measure distance in mm, single swipe gesture detection, directional (left/right) swipe gesture detection and single tap gesture detection.
 category=Device Control
 url=https://github.com/stm32duino/X-NUCLEO-53L0A1
-architectures=stm32
+architectures=stm32, sam