sakthi priya amirtharaj / Mbed 2 deprecated master_1

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

main.cpp@0:545d40142697, 2014-12-06 (annotated)

Committer:
sakthipriya
Date:
Sat Dec 06 13:01:02 2014 +0000
Revision:
0:545d40142697
Child:
1:5ed5d1e46e92
master_1

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 {
sakthipriya 0:545d40142697 13 while(1)
sakthipriya 0:545d40142697 14 {
sakthipriya 0:545d40142697 15 char* command= new char;
sakthipriya 0:545d40142697 16 printf("\ncommand from com \n\r");
sakthipriya 0:545d40142697 17 m2s_interrupt=0;
sakthipriya 0:545d40142697 18 *command=pc.getc(); //characters 0 to 4 are assumed to be commands
sakthipriya 0:545d40142697 19 printf("\n command detected\n\r");
sakthipriya 0:545d40142697 20 m2s_interrupt =1;
sakthipriya 0:545d40142697 21 bool write_loop =1;
sakthipriya 0:545d40142697 22 bool master_status_write = true;
sakthipriya 0:545d40142697 23 while(write_loop){
sakthipriya 0:545d40142697 24 master.frequency(100000); //set clock frequency
sakthipriya 0:545d40142697 25 master.start(); //initiating the data transfer
sakthipriya 0:545d40142697 26 master_status_write = (bool) master.write(addr|0x00,command,1);
sakthipriya 0:545d40142697 27 if(!master_status_write){
sakthipriya 0:545d40142697 28 printf("command %c sent to slave\n\r",*command);
sakthipriya 0:545d40142697 29 write_loop=false;
sakthipriya 0:545d40142697 30 }
sakthipriya 0:545d40142697 31 }
sakthipriya 0:545d40142697 32 delete command;
sakthipriya 0:545d40142697 33 }
sakthipriya 0:545d40142697 34 }