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@8:607ae92fa6af, 2015-07-04 (annotated)

Committer:
cholletisaik777
Date:
Sat Jul 04 08:56:34 2015 +0000
Revision:
8:607ae92fa6af
Parent:
3:0c3f7c3fabc9
Child:
12:cb3ee1ac3638
cdms_rtos_v1_0_3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cholletisaik777 0:d6e3d1e21484 1 #include "mbed.h"
cholletisaik777 0:d6e3d1e21484 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);
sakthipriya 3:0c3f7c3fabc9 7 InterruptIn irpt_4m_slv(D9); //I2c interrupt from CDMS
sakthipriya 3:0c3f7c3fabc9 8 DigitalOut irpt_2_slv(D8); //I2C interrupt to CDMS
sakthipriya 3:0c3f7c3fabc9 9 I2C master(D14,D15);
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 0:d6e3d1e21484 17 void 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 0:d6e3d1e21484 34 }
cholletisaik777 0:d6e3d1e21484 35
cholletisaik777 0:d6e3d1e21484 36 void FCTN_I2C_WRITE(char *data,int length)
cholletisaik777 0:d6e3d1e21484 37 {
cholletisaik777 0:d6e3d1e21484 38 bool write_ack = true;
cholletisaik777 0:d6e3d1e21484 39 irpt_2_slv = 0;
cholletisaik777 0:d6e3d1e21484 40 t.start();
cholletisaik777 0:d6e3d1e21484 41 write_ack=master.write(addr|0x00,data,length);
cholletisaik777 0:d6e3d1e21484 42 t.stop();
cholletisaik777 0:d6e3d1e21484 43 if(write_ack == 0)
cholletisaik777 0:d6e3d1e21484 44 printf("\r\n\rData sent to BAE is %s \r\n",data);
cholletisaik777 0:d6e3d1e21484 45 else
cholletisaik777 0:d6e3d1e21484 46 {
cholletisaik777 0:d6e3d1e21484 47 printf("\r\n\r data not sent \r\n");
cholletisaik777 0:d6e3d1e21484 48 master.stop();
cholletisaik777 0:d6e3d1e21484 49 }
cholletisaik777 0:d6e3d1e21484 50 irpt_2_slv = 1;
cholletisaik777 0:d6e3d1e21484 51 printf("\r\n\r %d \r\n",t.read_us());
cholletisaik777 0:d6e3d1e21484 52 t.reset();
cholletisaik777 0:d6e3d1e21484 53 }
cholletisaik777 0:d6e3d1e21484 54
cholletisaik777 0:d6e3d1e21484 55 bool check = 1;
cholletisaik777 0:d6e3d1e21484 56 void FCTN_MASTER_I2C(char i2c_data_type , char* i2c_data)
cholletisaik777 0:d6e3d1e21484 57 {
cholletisaik777 0:d6e3d1e21484 58 FCTN_I2C_WRITE(&i2c_data_type,1);
cholletisaik777 0:d6e3d1e21484 59 wait_ms(10);
cholletisaik777 0:d6e3d1e21484 60 switch(i2c_data_type)
cholletisaik777 0:d6e3d1e21484 61 {
cholletisaik777 0:d6e3d1e21484 62 case 's':
cholletisaik777 0:d6e3d1e21484 63 FCTN_I2C_WRITE(i2c_data,11);
cholletisaik777 0:d6e3d1e21484 64 break;
cholletisaik777 0:d6e3d1e21484 65
cholletisaik777 0:d6e3d1e21484 66 case 'l':
cholletisaik777 0:d6e3d1e21484 67 FCTN_I2C_WRITE(i2c_data,135);
cholletisaik777 0:d6e3d1e21484 68 break;
cholletisaik777 0:d6e3d1e21484 69
cholletisaik777 0:d6e3d1e21484 70 case 'h':
cholletisaik777 0:d6e3d1e21484 71 FCTN_I2C_READ(i2c_data,25);
cholletisaik777 0:d6e3d1e21484 72 break;
cholletisaik777 0:d6e3d1e21484 73
cholletisaik777 0:d6e3d1e21484 74 default:
cholletisaik777 0:d6e3d1e21484 75 printf("\r\n\r invalid command \r\n");
cholletisaik777 0:d6e3d1e21484 76 }
cholletisaik777 0:d6e3d1e21484 77 }