Seeker of Truth , / Mbed 2 deprecated master_1

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Dependencies:   mbed

Fork of master_1 by sakthi priya amirtharaj

main.cpp@2:39b25e32f00a, 2014-12-08 (annotated)

Committer:
raizel_varun
Date:
Mon Dec 08 03:56:44 2014 +0000
Revision:
2:39b25e32f00a
Parent:
1:5ed5d1e46e92 
sdfc

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sakthipriya 0:545d40142697 1 #include "mbed.h"
sakthipriya 0:545d40142697 2
sakthipriya 0:545d40142697 3 #define interrupt D9
sakthipriya 0:545d40142697 4
sakthipriya 0:545d40142697 5 const int addr = 0x20; //slave address
sakthipriya 0:545d40142697 6 I2C master (D14,D15); //configure pins p27,p28 as I2C master
sakthipriya 0:545d40142697 7 Serial pc(USBTX,USBRX);
sakthipriya 0:545d40142697 8 DigitalOut m2s_interrupt(interrupt);
sakthipriya 0:545d40142697 9
sakthipriya 0:545d40142697 10
sakthipriya 0:545d40142697 11 int main()
sakthipriya 0:545d40142697 12 {
raizel_varun 2:39b25e32f00a 13 char* command= new char;
raizel_varun 2:39b25e32f00a 14 char array[10];
raizel_varun 2:39b25e32f00a 15 strcpy(array,"green");
raizel_varun 2:39b25e32f00a 16
sakthipriya 0:545d40142697 17 while(1)
raizel_varun 2:39b25e32f00a 18 { bool write_loop = true;
raizel_varun 2:39b25e32f00a 19
sakthipriya 0:545d40142697 20 printf("\ncommand from com \n\r");
sakthipriya 0:545d40142697 21 m2s_interrupt=0;
sakthipriya 0:545d40142697 22 *command=pc.getc(); //characters 0 to 4 are assumed to be commands
sakthipriya 0:545d40142697 23 printf("\n command detected\n\r");
sakthipriya 0:545d40142697 24 m2s_interrupt =1;
sakthipriya 0:545d40142697 25 bool master_status_write = true;
raizel_varun 2:39b25e32f00a 26 master.frequency(100000);
raizel_varun 2:39b25e32f00a 27
raizel_varun 2:39b25e32f00a 28 while(write_loop ){
raizel_varun 2:39b25e32f00a 29 printf("2 master clk freq setup and addressing slave\n\r");
raizel_varun 2:39b25e32f00a 30 master.start(); //initiating the data transfer
raizel_varun 2:39b25e32f00a 31 master_status_write = (bool) master.write(addr|0x00,command,6);
raizel_varun 2:39b25e32f00a 32 if(master_status_write==0){
raizel_varun 2:39b25e32f00a 33 printf("3 master has written %c to slave\n\r",*command);
raizel_varun 2:39b25e32f00a 34 write_loop=false;
raizel_varun 2:39b25e32f00a 35 }
sakthipriya 1:5ed5d1e46e92 36 printf("command %c sent to slave\n\r",*command);
raizel_varun 2:39b25e32f00a 37 //delete command;
sakthipriya 0:545d40142697 38 }
raizel_varun 2:39b25e32f00a 39 }}