Abdelmalek BELLOULA / Mbed 2 deprecated DS-GPM

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.

Dependencies:   mbed

main.cpp@0:70612f5e54b1, 2011-10-20 (annotated)

Committer:
belloula
Date:
Thu Oct 20 22:50:36 2011 +0000
Revision:
0:70612f5e54b1

        

        
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belloula

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//communicate with Global Positioning Module  DS-GPM via I2C using mbed.





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//This example reads time and dat from the GPM and displays them on the debug screen.





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#include "mbed.h"





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Serial pc(USBTX, USBRX);





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I2C i2c(p9, p10); // sda, scl





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unsigned char adress_DSGPM;//= 0xD0;





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char data[112];





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DigitalOut myled(LED1);





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int main() 





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{





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    int count = 0;





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    //Scan for I2C slave devices (0 => no slave found !0 => address of the slaved device found )





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    pc.printf("I2CU! Searching for I2C devices...\n");





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    for (int address=0xD0; address<0xD7; address+=2)   





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    {





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        if (!i2c.write(address, NULL, 0)) 





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            { // 0 returned is ok





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                pc.printf(" - I2C device found at address 0x%02X\n", address);





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                adress_DSGPM=address;





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                count++;





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            }





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    }





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    pc.printf("%d devices found\n", count);





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    char BaseReg_Address=0;





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    char cmd[1]={BaseReg_Address};





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    while(1) 





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    {





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        myled = 1;





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        wait(0.2);





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        i2c.write(adress_DSGPM,cmd,1);





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        i2c.read(adress_DSGPM,data,6); 





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        pc.printf("%d%d:%d%d:%d%d\n", data[0], data[1], data[2], data[3], data[4], data[5]); 





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        myled = 0;





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        wait(0.5);





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    }





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}





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