Diff: main.cpp

Revision:

0:70612f5e54b1

diff -r 000000000000 -r 70612f5e54b1 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Oct 20 22:50:36 2011 +0000
@@ -0,0 +1,45 @@
+//communicate with Global Positioning Module  DS-GPM via I2C using mbed.
+//This example reads time and dat from the GPM and displays them on the debug screen.
+
+#include "mbed.h"
+Serial pc(USBTX, USBRX);
+I2C i2c(p9, p10); // sda, scl
+unsigned char adress_DSGPM;//= 0xD0;
+char data[112];
+   
+DigitalOut myled(LED1);
+
+int main() 
+{
+    int count = 0;
+    //Scan for I2C slave devices (0 => no slave found !0 => address of the slaved device found )
+    pc.printf("I2CU! Searching for I2C devices...\n");
+    for (int address=0xD0; address<0xD7; address+=2)   
+    {
+        if (!i2c.write(address, NULL, 0)) 
+            { // 0 returned is ok
+                pc.printf(" - I2C device found at address 0x%02X\n", address);
+                adress_DSGPM=address;
+                count++;
+            }
+            
+    }
+    pc.printf("%d devices found\n", count);
+    
+    char BaseReg_Address=0;
+    char cmd[1]={BaseReg_Address};
+    while(1) 
+    {
+        myled = 1;
+        wait(0.2);
+        i2c.write(adress_DSGPM,cmd,1);
+        i2c.read(adress_DSGPM,data,6); 
+        pc.printf("%d%d:%d%d:%d%d\n", data[0], data[1], data[2], data[3], data[4], data[5]); 
+        myled = 0;
+        wait(0.5);
+    }
+}
+
+
+
+