Diff: TCS3200.cpp

Revision:

0:b98e768bc655

Child:

1:e1c8062f2970

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TCS3200.cpp	Tue May 03 20:45:40 2016 +0000
@@ -0,0 +1,72 @@
+#include "TCS3200.h"
+#include "mbed.h"
+ 
+ 
+TCS3200::TCS3200(PinName S0, PinName S1, PinName S2, PinName S3, PinName OUT) : 
+mS0(S0), mS1(S1), mS2(S2), mS3(S3), signal(OUT) 
+{
+    SetMode(SCALE_100);
+    signal.rise(this,&TCS3200::HighTrigger);
+    signal.fall(this,&TCS3200::LowTrigger);
+}
+ 
+long TCS3200::ReadRed() {
+    mS2=0;                    
+    mS3=0;
+    wait(0.1);     //Delay to allow frequency to change for the set color
+    return(pulsewidth);
+}
+
+long TCS3200::ReadGreen() {
+    mS2=1;                    
+    mS3=1;
+    wait(0.1);     //Delay to allow frequency to change for the set color
+    return(pulsewidth);
+}
+
+long TCS3200::ReadBlue() {
+    mS2=0;                    
+    mS3=1;
+    wait(0.1);     //Delay to allow frequency to change for the set color
+    return(pulsewidth);
+}
+
+long TCS3200::ReadClear() {
+    mS2=1;                    
+    mS3=0;
+    wait(0.1);     //Delay to allow frequency to change for the set color
+    return(pulsewidth);
+}
+
+void TCS3200::SetMode(TCS3200Mode mode) {
+    if(mode == POWERDOWN) {         //TCS3200 in power down
+        mS0 = 0;                     
+        mS1 = 0;
+    }
+    else if(mode == SCALE_2) {      //Output frequency at 2% scaling
+        mS0 = 0;                     
+        mS1 = 1;
+    }
+    else if(mode == SCALE_20) {     //Output frequency at 20% scaling
+        mS0 = 1;                     
+        mS1 = 0;
+    }
+    else if(mode == SCALE_100) {    //Output frequency at 100% scaling
+        mS0 = 1;                     
+        mS1 = 1;
+    }
+    else {                          //default is POWERDOWN                
+        mS0 = 0;                     
+        mS1 = 0;
+    }
+}
+
+void TCS3200::HighTrigger() {
+    timer.start();
+}
+
+void TCS3200::LowTrigger() {
+    timer.stop();
+    pulsewidth = timer.read_us();
+    timer.reset();
+}
\ No newline at end of file