saikiran cholleti / Mbed 2 deprecated CDMS_COM_INT

vr1.1

Dependencies:   FreescaleIAP mbed-rtos mbed

Fork of CDMS_RTOS_v1_1 by Team Fox

i2c.cpp@16:7428828a5da2, 2015-07-17 (annotated)

Committer:
cholletisaik777
Date:
Fri Jul 17 06:35:40 2015 +0000
Revision:
16:7428828a5da2
Parent:
15:2c8629da6ec9 
COM INTEGRATION

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cholletisaik777 0:d6e3d1e21484 1 #include "mbed.h"
cholletisaik777 15:2c8629da6ec9 2 #include "pin_config.h"
cholletisaik777 0:d6e3d1e21484 3 #include "i2c.h"
cholletisaik777 8:607ae92fa6af 4 #include "all_funcs.h"
cholletisaik777 0:d6e3d1e21484 5
cholletisaik777 0:d6e3d1e21484 6 Serial gc(USBTX,USBRX);
cholletisaik777 15:2c8629da6ec9 7 InterruptIn irpt_4m_slv(PIN4); //I2c interrupt from CDMS
cholletisaik777 15:2c8629da6ec9 8 DigitalOut irpt_2_slv(PIN5); //I2C interrupt to CDMS
cholletisaik777 15:2c8629da6ec9 9 I2C master(PIN32,PIN31);
cholletisaik777 0:d6e3d1e21484 10
cholletisaik777 0:d6e3d1e21484 11
cholletisaik777 0:d6e3d1e21484 12
cholletisaik777 0:d6e3d1e21484 13 const int addr = 0x20; //slave address
cholletisaik777 0:d6e3d1e21484 14 Timer t;
cholletisaik777 0:d6e3d1e21484 15
cholletisaik777 0:d6e3d1e21484 16
cholletisaik777 12:cb3ee1ac3638 17 int FCTN_I2C_READ(char *data, int length )
cholletisaik777 0:d6e3d1e21484 18 {
cholletisaik777 0:d6e3d1e21484 19 bool read_ack = true;
cholletisaik777 0:d6e3d1e21484 20 irpt_2_slv = 0;
cholletisaik777 0:d6e3d1e21484 21 t.start();
cholletisaik777 0:d6e3d1e21484 22 read_ack=master.read(addr|1,data,length);
cholletisaik777 0:d6e3d1e21484 23 t.stop();
cholletisaik777 0:d6e3d1e21484 24 if(read_ack == 0)
cholletisaik777 0:d6e3d1e21484 25 printf("\r\n\rData received from BAE is %s \r\n",data);
cholletisaik777 0:d6e3d1e21484 26 else
cholletisaik777 0:d6e3d1e21484 27 {
cholletisaik777 0:d6e3d1e21484 28 printf("\r\n \r data not received \r\n");
cholletisaik777 0:d6e3d1e21484 29 master.stop();
cholletisaik777 0:d6e3d1e21484 30 }
cholletisaik777 0:d6e3d1e21484 31 irpt_2_slv = 1;
cholletisaik777 0:d6e3d1e21484 32 printf("\r\n\r %d \r\n",t.read_us());
cholletisaik777 0:d6e3d1e21484 33 t.reset();
cholletisaik777 12:cb3ee1ac3638 34 return read_ack;
cholletisaik777 0:d6e3d1e21484 35 }
cholletisaik777 0:d6e3d1e21484 36
cholletisaik777 12:cb3ee1ac3638 37 int FCTN_I2C_WRITE(char *data,int length)
cholletisaik777 0:d6e3d1e21484 38 {
cholletisaik777 0:d6e3d1e21484 39 bool write_ack = true;
cholletisaik777 0:d6e3d1e21484 40 irpt_2_slv = 0;
cholletisaik777 0:d6e3d1e21484 41 t.start();
cholletisaik777 0:d6e3d1e21484 42 write_ack=master.write(addr|0x00,data,length);
cholletisaik777 0:d6e3d1e21484 43 t.stop();
cholletisaik777 0:d6e3d1e21484 44 if(write_ack == 0)
cholletisaik777 0:d6e3d1e21484 45 printf("\r\n\rData sent to BAE is %s \r\n",data);
cholletisaik777 0:d6e3d1e21484 46 else
cholletisaik777 0:d6e3d1e21484 47 {
cholletisaik777 0:d6e3d1e21484 48 printf("\r\n\r data not sent \r\n");
cholletisaik777 0:d6e3d1e21484 49 master.stop();
cholletisaik777 0:d6e3d1e21484 50 }
cholletisaik777 0:d6e3d1e21484 51 irpt_2_slv = 1;
cholletisaik777 0:d6e3d1e21484 52 printf("\r\n\r %d \r\n",t.read_us());
cholletisaik777 0:d6e3d1e21484 53 t.reset();
cholletisaik777 12:cb3ee1ac3638 54 return write_ack;
cholletisaik777 0:d6e3d1e21484 55 }
cholletisaik777 0:d6e3d1e21484 56
cholletisaik777 0:d6e3d1e21484 57 bool check = 1;
cholletisaik777 12:cb3ee1ac3638 58 int FCTN_MASTER_I2C(char i2c_data_type , char* i2c_data)
cholletisaik777 0:d6e3d1e21484 59 {
cholletisaik777 0:d6e3d1e21484 60 FCTN_I2C_WRITE(&i2c_data_type,1);
cholletisaik777 0:d6e3d1e21484 61 wait_ms(10);
cholletisaik777 0:d6e3d1e21484 62 switch(i2c_data_type)
cholletisaik777 0:d6e3d1e21484 63 {
cholletisaik777 0:d6e3d1e21484 64 case 's':
cholletisaik777 0:d6e3d1e21484 65 FCTN_I2C_WRITE(i2c_data,11);
cholletisaik777 0:d6e3d1e21484 66 break;
cholletisaik777 0:d6e3d1e21484 67
cholletisaik777 0:d6e3d1e21484 68 case 'l':
cholletisaik777 0:d6e3d1e21484 69 FCTN_I2C_WRITE(i2c_data,135);
cholletisaik777 0:d6e3d1e21484 70 break;
cholletisaik777 0:d6e3d1e21484 71
cholletisaik777 0:d6e3d1e21484 72 case 'h':
cholletisaik777 0:d6e3d1e21484 73 FCTN_I2C_READ(i2c_data,25);
cholletisaik777 0:d6e3d1e21484 74 break;
cholletisaik777 0:d6e3d1e21484 75
cholletisaik777 0:d6e3d1e21484 76 default:
cholletisaik777 0:d6e3d1e21484 77 printf("\r\n\r invalid command \r\n");
cholletisaik777 12:cb3ee1ac3638 78 return 25;
cholletisaik777 0:d6e3d1e21484 79 }
cholletisaik777 0:d6e3d1e21484 80 }