saikiran cholleti / Mbed 2 deprecated CDMS_DEC_2016_jan

things are working

Dependencies:   FreescaleIAP mbed-rtos mbed

Fork of CDMS_DEC_2016_jan by Team Fox

i2c.cpp@1:ad3b8a8032e2, 2016-01-21 (annotated)

Committer:
pradeepvk2208
Date:
Thu Jan 21 14:46:28 2016 +0000
Revision:
1:ad3b8a8032e2
Parent:
0:bcbd76c86cde
Child:
3:23cdab96a05d
cdms_updated

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cholletisaik777 0:bcbd76c86cde 1 #include "mbed.h"
cholletisaik777 0:bcbd76c86cde 2 #include "pinconfig.h"
cholletisaik777 0:bcbd76c86cde 3 #include "rtos.h"
cholletisaik777 0:bcbd76c86cde 4 #include "i2c.h"
pradeepvk2208 1:ad3b8a8032e2 5
cholletisaik777 0:bcbd76c86cde 6 DigitalOut irpt_2_slv(PIN67); //I2C interrupt to CDMS
cholletisaik777 0:bcbd76c86cde 7 I2C master(PIN32,PIN31);
cholletisaik777 0:bcbd76c86cde 8 DigitalOut led1(PIN46);
cholletisaik777 0:bcbd76c86cde 9 DigitalOut led2(PIN95);
cholletisaik777 0:bcbd76c86cde 10 const int addr = 0x20; //slave address
cholletisaik777 0:bcbd76c86cde 11 char telecommand[tc_len];
cholletisaik777 0:bcbd76c86cde 12 char telemetry[tm_len];
cholletisaik777 0:bcbd76c86cde 13 Timer test;
cholletisaik777 0:bcbd76c86cde 14 Timer t_read;
cholletisaik777 0:bcbd76c86cde 15 bool write_ack = true;
cholletisaik777 0:bcbd76c86cde 16 bool read_ack = true;
cholletisaik777 0:bcbd76c86cde 17
cholletisaik777 0:bcbd76c86cde 18 int count = 0;
cholletisaik777 0:bcbd76c86cde 19
cholletisaik777 0:bcbd76c86cde 20 void FCTN_I2C_WRITE(char *data)
cholletisaik777 0:bcbd76c86cde 21 {
cholletisaik777 0:bcbd76c86cde 22 irpt_2_slv = 1;
cholletisaik777 0:bcbd76c86cde 23 //t.start();
cholletisaik777 0:bcbd76c86cde 24 write_ack = master.write(addr|0x00,data,tc_len);
cholletisaik777 0:bcbd76c86cde 25 //t.stop();
cholletisaik777 0:bcbd76c86cde 26 //if(write_ack == 0)
cholletisaik777 0:bcbd76c86cde 27 //pc.printf("\n\r data not sent \n");
cholletisaik777 0:bcbd76c86cde 28
cholletisaik777 0:bcbd76c86cde 29 if (write_ack == 1)
cholletisaik777 0:bcbd76c86cde 30 {
cholletisaik777 0:bcbd76c86cde 31 led2 = 1;
cholletisaik777 0:bcbd76c86cde 32 printf("\n\r data not sent \n");
cholletisaik777 0:bcbd76c86cde 33 led2 = 0;
cholletisaik777 0:bcbd76c86cde 34 }
cholletisaik777 0:bcbd76c86cde 35 irpt_2_slv = 0;
cholletisaik777 0:bcbd76c86cde 36 //pc.printf("\n\r %d \n",t.read_us());
cholletisaik777 0:bcbd76c86cde 37 //t.reset();
cholletisaik777 0:bcbd76c86cde 38 }
cholletisaik777 0:bcbd76c86cde 39
cholletisaik777 0:bcbd76c86cde 40
pradeepvk2208 1:ad3b8a8032e2 41 void FCTN_I2C_READ(char *data,int length)
cholletisaik777 0:bcbd76c86cde 42 {
cholletisaik777 0:bcbd76c86cde 43 irpt_2_slv = 1;
cholletisaik777 0:bcbd76c86cde 44 t_read.start();
pradeepvk2208 1:ad3b8a8032e2 45 read_ack = master.read(addr|1,data,length);
cholletisaik777 0:bcbd76c86cde 46 t_read.stop();
cholletisaik777 0:bcbd76c86cde 47
cholletisaik777 0:bcbd76c86cde 48 //if(read_ack == 0)
cholletisaik777 0:bcbd76c86cde 49 // printf("\n\rData received from BAE %s \n",data);
cholletisaik777 0:bcbd76c86cde 50 if (read_ack == 1)
cholletisaik777 0:bcbd76c86cde 51 {
cholletisaik777 0:bcbd76c86cde 52 led2 = 1;
cholletisaik777 0:bcbd76c86cde 53 printf("\n \r data not received \n");
cholletisaik777 0:bcbd76c86cde 54 led2 = 0;
cholletisaik777 0:bcbd76c86cde 55 }
cholletisaik777 0:bcbd76c86cde 56 //if(read_ack == 1)
cholletisaik777 0:bcbd76c86cde 57 //pc.printf("\n \r data not received \n");
cholletisaik777 0:bcbd76c86cde 58
cholletisaik777 0:bcbd76c86cde 59 irpt_2_slv = 0;
cholletisaik777 0:bcbd76c86cde 60 //printf("\n\r %d \n",t.read_us());
cholletisaik777 0:bcbd76c86cde 61 //t.reset();
cholletisaik777 0:bcbd76c86cde 62 }