Diff: AT42QT1010.h

Revision:

0:261b3a1a05c4

Child:

1:7eca199a5506

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AT42QT1010.h	Thu Oct 16 17:32:18 2014 +0000
@@ -0,0 +1,61 @@
+#ifndef AT42QT1010_H
+#define AT42QT1010_H
+
+#include "mbed.h"
+
+///Class for the AT42QT1010 Capactitive Touch Sensor
+class AT42QT1010 {
+    
+    public:
+    /**Define the device without use of the on-board LED*/
+        explicit AT42QT1010(PinName);
+    /**Define the device using both breakout I/O pins.  Requires manual modification to the breakout before use.*/
+        explicit AT42QT1010(PinName, PinName);
+        ~AT42QT1010();
+    /**Writes to the LED, if defined.
+    @param state 0 or 1 to power the LED
+    */
+        void write(int state);
+    /**Take in the current value being output by the device.*/
+        int read();
+    /**Shorthand for read().*/
+        operator int(){return _data;}
+    /**Initiate tnterrupts for the rising edge of data.
+    @param fpr Function pointer to interrupt routine.
+    */
+        void attach(void (*fpr)(void));
+    private:
+        InterruptIn _data;
+        DigitalOut *_led_state;
+};
+
+AT42QT1010::AT42QT1010(PinName data) : _data(data) {
+    _led_state=NULL;
+}
+
+AT42QT1010::AT42QT1010(PinName data, PinName led_pin) : _data(data){
+    _led_state = (DigitalOut *) new DigitalOut(led_pin);
+}
+
+AT42QT1010::~AT42QT1010(){
+    if(_led_state!=NULL){
+        delete _led_state;
+    }
+}
+
+void AT42QT1010::write(int state){
+    if(_led_state!=NULL){
+        if(state!=0) (*_led_state)=1;
+        else (*_led_state)=0;
+    }
+}
+
+int AT42QT1010::read(){
+    return _data;
+}
+
+void AT42QT1010::attach(void (*fpr)(void)){
+    _data.rise(fpr);
+}
+
+#endif
\ No newline at end of file