Diff: main.cpp

Revision:

0:2fab16867d73

Child:

1:44f0b9d5883b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Nov 30 18:06:50 2011 +0000
@@ -0,0 +1,117 @@
+#include <mbed.h>
+#include <mpr121.h>
+#include "strings.h"
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+InterruptIn interrupt0(p8); //interrupt pin for touch0
+InterruptIn interrupt1(p21); //interrupt for touch1
+
+// Setup the i2c bus on pins 9 and 10
+I2C i2c2(p9, p10); // I2C is used by both touch sensors
+I2C i2c(p28, p27); // I2C is used by both touch sensors
+
+Mpr121 touch1(&i2c, Mpr121::ADD_VSS);//setup touch1 address for vdd
+Mpr121 touch0(&i2c2, Mpr121::ADD_VSS);//setup touch0 address for vss
+
+
+//set serial port
+Serial device(p13, p14);  // tx, rx
+
+
+Serial pc(USBTX, USBRX);
+ 
+unsigned int key_code0;
+unsigned int key_code1;
+
+
+// Key hit/release interrupt routine for touch 0
+void fallInterrupt0() {
+  key_code0=0;
+  char i=0;
+  int value=touch0.read(0x00);
+  value +=touch0.read(0x01)<<8;
+  // LED demo mod
+  i=0;
+  // puts key number out to LEDs for demo
+  for (i=0; i<12; i++) {
+  if (((value>>i)&0x01)==1) key_code0=i+1;
+  }
+  led4=key_code0 & 0x01;
+  led3=(key_code0>>1) & 0x01;
+  led2=(key_code0>>2) & 0x01;
+  led1=(key_code0>>3) & 0x01;
+
+}
+
+
+//fall interrupt for touch1
+void fallInterrupt1() {
+
+  key_code1=0;
+  char i=0;
+  int value=touch1.read(0x00);
+  value +=touch1.read(0x01)<<8;
+  // LED demo mod
+  i=0;
+  // puts key number out to LEDs for demo
+  for (i=0; i<12; i++) {
+  if (((value>>i)&0x01)==1) key_code1=i+1;
+  }
+  led4=key_code1 & 0x01;
+  led3=(key_code1>>1) & 0x01;
+  led2=(key_code1>>2) & 0x01;
+  led1=(key_code1>>3) & 0x01;
+}
+
+
+
+
+
+
+
+int main() {
+
+pc.printf("Starting \r\n");
+
+
+char *key_buf;//buffer for data transmit to pc via serial
+char frompc=0;
+  device.baud(9600); 
+  interrupt0.fall(&fallInterrupt0);
+  interrupt0.mode(PullUp);
+  interrupt1.fall(&fallInterrupt1);
+  interrupt1.mode(PullUp);
+  
+  while (1) {
+  wait(10);
+  if(device.readable()) //checks if ebox sends request
+  frompc=device.getc();
+  pc.printf(&frompc);//writes received data to pc for testing options
+  
+    switch(device.getc())//read character and check it
+       {
+        case '0':           //if character is '0' send key data from touch 0
+            sprintf(key_buf,"%d",key_code0);
+            device.printf(key_buf);
+            break;
+        
+        case '1':           //if character is '1' send key data from touch 1
+            sprintf(key_buf,"%d",key_code1);
+            device.printf(key_buf);
+            break;
+           
+        case 'A': //case for string value
+        sprintf(key_buf,"%d",Strings());
+        device.printf(key_buf);
+            break;
+            
+        default:
+            break;
+       }
+       
+  pc.printf(key_buf);//writes received data to pc for testing options
+  }
+}
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