Seeker of Truth , / Mbed 2 deprecated slave_sample

slave working

Dependencies:   mbed slave_sample

Fork of slave_sample by sakthi priya amirtharaj

main.cpp@0:17326cfa2586, 2014-12-06 (annotated)

Committer:
sakthipriya
Date:
Sat Dec 06 07:31:56 2014 +0000
Revision:
0:17326cfa2586
Child:
1:d5cf8c6f7ef4
slave sample

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sakthipriya 0:17326cfa2586 1 #include "mbed.h"
sakthipriya 0:17326cfa2586 2
sakthipriya 0:17326cfa2586 3 #define interrupt D8
sakthipriya 0:17326cfa2586 4
sakthipriya 0:17326cfa2586 5 void write_to_master(char); //function to write data to master
sakthipriya 0:17326cfa2586 6 DigitalOut led1(LED_RED);
sakthipriya 0:17326cfa2586 7 I2CSlave slave(D14,D15); //configuring pins p27, p28 as I2Cslave
sakthipriya 0:17326cfa2586 8 Serial pc(USBTX,USBRX);
sakthipriya 0:17326cfa2586 9 InterruptIn m2s_interrupt(interrupt);
sakthipriya 0:17326cfa2586 10 //int m2s = m2s_interrupt;
sakthipriya 0:17326cfa2586 11 bool read_loop = true;
sakthipriya 0:17326cfa2586 12 void write2slave()
sakthipriya 0:17326cfa2586 13 {
sakthipriya 0:17326cfa2586 14 printf("\nEntered slave code\n");
sakthipriya 0:17326cfa2586 15 char *data_rec = new char;
sakthipriya 0:17326cfa2586 16 while(read_loop){
sakthipriya 0:17326cfa2586 17 slave.address(0x20);
sakthipriya 0:17326cfa2586 18 int slave_status =1;
sakthipriya 0:17326cfa2586 19 printf("\nentered slave while loop\n");
sakthipriya 0:17326cfa2586 20 // if(slave.receive()==3)
sakthipriya 0:17326cfa2586 21 slave_status=slave.read(data_rec,1);
sakthipriya 0:17326cfa2586 22 if(!slave_status){
sakthipriya 0:17326cfa2586 23 printf("1 read %c from master\n\r",*data_rec);
sakthipriya 0:17326cfa2586 24 read_loop = false;}
sakthipriya 0:17326cfa2586 25 }
sakthipriya 0:17326cfa2586 26 printf("\n done \n \r");
sakthipriya 0:17326cfa2586 27 delete data_rec;
sakthipriya 0:17326cfa2586 28 }
sakthipriya 0:17326cfa2586 29
sakthipriya 0:17326cfa2586 30 void led()
sakthipriya 0:17326cfa2586 31 {
sakthipriya 0:17326cfa2586 32 led1=!led1;
sakthipriya 0:17326cfa2586 33 }
sakthipriya 0:17326cfa2586 34
sakthipriya 0:17326cfa2586 35
sakthipriya 0:17326cfa2586 36 int main(){
sakthipriya 0:17326cfa2586 37
sakthipriya 0:17326cfa2586 38 printf("interrupt for slave to start \n\r");
sakthipriya 0:17326cfa2586 39 m2s_interrupt.rise(&led);
sakthipriya 0:17326cfa2586 40 //write2slave();
sakthipriya 0:17326cfa2586 41 }
sakthipriya 0:17326cfa2586 42
sakthipriya 0:17326cfa2586 43
sakthipriya 0:17326cfa2586 44
sakthipriya 0:17326cfa2586 45