Andrey Myagkov / Mbed 2 deprecated MRT-I2C-rw

i2c

Dependencies:   mbed

Fork of Serial_HelloWorld_Mbed by mbed official

main.cpp@2:24f2636c2915, 2015-03-27 (annotated)

Committer:
Andreus
Date:
Fri Mar 27 14:52:54 2015 +0000
Revision:
2:24f2636c2915
Parent:
1:560b8ced44df 
Test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:879aa9d0247b 1 #include "mbed.h"
mbed_official 0:879aa9d0247b 2
mbed_official 0:879aa9d0247b 3 Serial pc(USBTX, USBRX); // tx, rx
Andreus 2:24f2636c2915 4 I2C i2c(p28, p27);
Andreus 2:24f2636c2915 5 const int addr_r = 0xA9; //Read of EEPROM 10101001
Andreus 2:24f2636c2915 6 const int addr_w = 0xA8; //Write of EEPROM 10101000
Andreus 2:24f2636c2915 7 //const int freq = 300000;
Andreus 2:24f2636c2915 8
Andreus 2:24f2636c2915 9
mbed_official 0:879aa9d0247b 10 int main() {
Andreus 2:24f2636c2915 11 pc.printf("EEPROM operation util\n\r");
Andreus 2:24f2636c2915 12 char cmd[] = "aahello!!!";
Andreus 2:24f2636c2915 13 cmd[0]=0xAA;
Andreus 2:24f2636c2915 14 cmd[1]=0x12;
Andreus 2:24f2636c2915 15 char buffer[8];
Andreus 2:24f2636c2915 16
Andreus 2:24f2636c2915 17
Andreus 2:24f2636c2915 18 //i2c.frequency(freq);
Andreus 2:24f2636c2915 19 pc.printf("Selection of i2c offset ");
Andreus 2:24f2636c2915 20 if(i2c.write(addr_w,cmd,2,true)==0) {pc.printf("succeed"); }
Andreus 2:24f2636c2915 21 else pc.printf ("failed");
Andreus 2:24f2636c2915 22 i2c.read(addr_r, buffer, 8, false);
Andreus 2:24f2636c2915 23 /* pc.printf("\n\rread 8 bytes: %s\n\r", buffer);
Andreus 2:24f2636c2915 24 wait(0.5);
Andreus 2:24f2636c2915 25 pc.printf("trying to write: %s ",cmd);
Andreus 2:24f2636c2915 26 if(i2c.write(addr_w,cmd,10,false)) printf("succeed");
Andreus 2:24f2636c2915 27 else printf ("failed");
Andreus 2:24f2636c2915 28 wait(0.5);
Andreus 2:24f2636c2915 29 pc.printf("Selection of i2c offset ");
Andreus 2:24f2636c2915 30 if(i2c.write(addr_r,cmd,2,true)==0) {printf("succeed"); }
Andreus 2:24f2636c2915 31 else printf ("failed");
Andreus 2:24f2636c2915 32 i2c.read(addr_r, buffer, 8, true);
Andreus 2:24f2636c2915 33 i2c.stop();
Andreus 2:24f2636c2915 34 pc.printf("\n\rread 8 bytes: %s\n\r", buffer);
Andreus 2:24f2636c2915 35 */
Andreus 2:24f2636c2915 36
Andreus 2:24f2636c2915 37
Andreus 2:24f2636c2915 38
Andreus 2:24f2636c2915 39 while(1)
Andreus 2:24f2636c2915 40 {
Andreus 2:24f2636c2915 41 }
mbed_official 0:879aa9d0247b 42 }