Diff: Prox.cpp

Revision:

1:159407640167

Parent:

0:10fe9a5a884f

Child:

2:9db88ca586db

--- a/Prox.cpp	Mon Jan 04 12:28:26 2016 +0000
+++ b/Prox.cpp	Sat Jan 30 20:33:17 2016 +0000
@@ -4,7 +4,7 @@
     _sda = sda;
     _scl = scl;
 
-    //WriteByte(0x72,0xE5); // Clear interrupt
+    WriteByte(0x72,0xE5); // Clear interrupt
     
     char PTIME;
     char WTIME;
@@ -19,6 +19,14 @@
     WriteByte (0x72, 3, WTIME);
     WriteByte (0x72, 0xe, PPULSE);
     
+    char PIHTL, PIHTH; //Upper interrupt threshold low and high bytes
+    
+    PIHTL = 0xFF;
+    PIHTH = 0x01; //trigger at 256
+    
+    WriteByte (0x72, 0x0A, PIHTL);
+    WriteByte (0x72, 0x0B, PIHTH);
+    
     char PDRIVE;
     char PDIODE;
     char PGAIN;
@@ -31,26 +39,18 @@
 
     char WEN, PEN, PON, PIEN;
     WEN = 8; // Enable Wait
-    PIEN = 5; //Enable interrupt
+    PIEN = 32; //Enable interrupt
     PEN = 4; // Enable Prox
     PON = 1; // Enable Power On
 
     WriteByte (0x72, 0, WEN | PIEN | PEN | PON);
     
-    char PIHTL, PIHTH; //Upper interrupt threshold low and high bytes
-    
-    PIHTL = 0;
-    PIHTH = 0x80; //trigger at 256
-    
-    WriteByte (0x72, 0x0A, PIHTL);
-    WriteByte (0x72, 0x0B, PIHTH);
-    
     wait(0.12); //Wait for 120 ms
 }
 
-uint8_t Prox::readProx(){
+uint16_t Prox::readProx(){
     WriteByte (0x72, 0xE5); //clear interrupt pin (untested)
-    uint8_t prox;
+    uint16_t prox;
     ReadWord(0x72, 0x18, &prox);
     return prox;
 }
@@ -61,7 +61,7 @@
 
 // Read a byte on the i2c interface
 
-void Prox::ReadWord(char addr, char reg, uint8_t *data) {
+void Prox::ReadWord(char addr, char reg, uint16_t *data) {
   I2C i2c(_sda,_scl);
   char reg1 = 0xA0 | reg;
   char reading[2];