comparison projects/d-box/I2c_TouchKey.h @ 15:901d205d1a3c

Updated to latest PRU library; external PRU file no longer needed. Also catch SIGTERM as well as SIGINT to clean up gracefully.

 #ifndef I2CTK_H_
 #define I2CTK_H_
 
 #include "../../include/I2c.h"
 
-#define NUM_BYTES_OLD 9
-#define NUM_BYTES_NEW 13
+// #define NUM_BYTES_OLD 9
+// #define NUM_BYTES_NEW 13
+
+#define MAX_SENSOR_BYTES 20
+
+enum {
+	kSensorTypeTouchKey = 0,
+	kSensorTypeDBox1 = 1,
+	kSensorTypeDBox2 = 2
+};
+
+static const int kSensorBytes[3] = {9, 13, 20};
 
 class I2c_TouchKey : public I2c
 {
 private:
 	bool isReady;
-	bool newSensor;
+	int sensorType;
 	int numBytesToRead;
 
 	// read NUM_BYTES bytes, which have to be properly parsed
-	char dataBuffer[NUM_BYTES_NEW];
+	char dataBuffer[MAX_SENSOR_BYTES];
 	int bytesRead;
 
 	int rawSliderPosition[5];
 	int rawSliderPositionH;
 

 	float sliderPosition[5];
 	float sliderPositionH;
 
 
 public:
-	int initTouchKey(bool useNewSensor = false);
+	int initTouchKey(int sensorTypeToUse = kSensorTypeTouchKey);
 	int readI2C();
 	int getTouchCount();
 	float * getSlidersize();
 	float * getSliderPosition();
 	float getSliderPositionH();