shubham c / Mbed 2 deprecated COM_MNG_TMTC_SIMPLE_pl123

I2C code testing

Dependencies:   FreescaleIAP SimpleDMA mbed-rtos mbed

Fork of COM_MNG_TMTC_SIMPLE_pl123 by Siva ram

i2c.h@139:17353d6311ce, 2016-03-30 (annotated)

Committer:
ee12b079
Date:
Wed Mar 30 14:04:48 2016 +0000
Revision:
139:17353d6311ce
Parent:
138:71ed56f2ec50 
PL I2C worked

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aniruddhv 52:0bd68655c651 1 #define tm_len 134
aniruddhv 52:0bd68655c651 2 #define tc_len 135
aniruddhv 52:0bd68655c651 3 #define tc_test_len 135
aniruddhv 52:0bd68655c651 4
shreeshas95 105:5ce0337e7c15 5 InterruptIn irpt_4m_slv(D3); //I2c interrupt from CDMS
shreeshas95 105:5ce0337e7c15 6 DigitalOut irpt_2_slv(D4); //I2C interrupt to CDMS
ee12b079 130:d5b53088270b 7 //I2C master(PTC9,PTC8);
aniruddhv 52:0bd68655c651 8 const int addr = 0x20; //slave address
ee12b079 130:d5b53088270b 9 const int addr_pl = 0x20<<1; //PL slave address
ee12b079 132:d4a4461214ad 10
aniruddhv 52:0bd68655c651 11 bool write_ack = true;
aniruddhv 52:0bd68655c651 12 bool read_ack = true;
aniruddhv 52:0bd68655c651 13
ee12b079 132:d4a4461214ad 14
Piasiv1206 138:71ed56f2ec50 15
ee12b079 132:d4a4461214ad 16 uint8_t PL_TM_SIZE;//size of data to bev read from i2c
aniruddhv 52:0bd68655c651 17
ee12b079 130:d5b53088270b 18 void FCTN_I2C_WRITE_PL(char *data2,uint8_t tc_len2)
aniruddhv 52:0bd68655c651 19 {
ee12b079 130:d5b53088270b 20 write_ack = master.write(addr_pl|0x00,data2,tc_len2);//address to be defined in payload
ee12b079 132:d4a4461214ad 21 if(write_ack == 1)
ee12b079 130:d5b53088270b 22 {
ee12b079 132:d4a4461214ad 23 printf("\n\rdata not sent\n");
ee12b079 130:d5b53088270b 24 }
ee12b079 130:d5b53088270b 25 else
aniruddhv 52:0bd68655c651 26 {
ee12b079 132:d4a4461214ad 27
ee12b079 130:d5b53088270b 28 }
ee12b079 130:d5b53088270b 29 }
ee12b079 130:d5b53088270b 30 void FCTN_I2C_READ_PL(char *data,int length)
ee12b079 130:d5b53088270b 31 {
ee12b079 130:d5b53088270b 32 //t_read.start();
ee12b079 130:d5b53088270b 33 read_ack = master.read(addr_pl|1,data,length);
ee12b079 130:d5b53088270b 34 //t_read.stop();
ee12b079 132:d4a4461214ad 35 uint8_t len = 0;
ee12b079 130:d5b53088270b 36
ee12b079 132:d4a4461214ad 37 printf("\n\r i2c data : \n\n\r\r");
ee12b079 132:d4a4461214ad 38 while(len != length) printf("%c",data[len]);
ee12b079 132:d4a4461214ad 39 printf(" \n\n\r\r");
ee12b079 132:d4a4461214ad 40 if(read_ack == 0)
ee12b079 132:d4a4461214ad 41 printf("\n\rData received from PL %s \n",data);
ee12b079 132:d4a4461214ad 42 if (read_ack == 1)
ee12b079 132:d4a4461214ad 43 {
ee12b079 130:d5b53088270b 44 // gLEDR = 1;
ee12b079 132:d4a4461214ad 45 printf("\n \r data not received from PL\n");
ee12b079 130:d5b53088270b 46 // gLEDR = 0;
ee12b079 132:d4a4461214ad 47 }
ee12b079 130:d5b53088270b 48 //if(read_ack == 1)
ee12b079 130:d5b53088270b 49 //pc.printf("\n \r data not received \n");
ee12b079 130:d5b53088270b 50 //printf("\n\r %d \n",t.read_us());
aniruddhv 52:0bd68655c651 51 //t.reset();
aniruddhv 52:0bd68655c651 52 }
aniruddhv 52:0bd68655c651 53
ee12b079 130:d5b53088270b 54 void FCTN_I2C_READ(char *data,int length, int addr)
ee12b079 130:d5b53088270b 55 {
shreeshas95 103:b55559925dc1 56 irpt_2_slv = 1;
shreeshas95 103:b55559925dc1 57 //t_read.start();
shreeshas95 103:b55559925dc1 58 read_ack = master.read(addr|1,data,length);
shreeshas95 103:b55559925dc1 59 //t_read.stop();
shreeshas95 103:b55559925dc1 60
aniruddhv 52:0bd68655c651 61 //if(read_ack == 0)
shreeshas95 103:b55559925dc1 62 // printf("\n\rData received from BAE %s \n",data);
aniruddhv 52:0bd68655c651 63 if (read_ack == 1)
aniruddhv 52:0bd68655c651 64 {
shreeshas95 103:b55559925dc1 65 printf("\n \r data not received \n");
aniruddhv 52:0bd68655c651 66 }
aniruddhv 52:0bd68655c651 67 //if(read_ack == 1)
shreeshas95 103:b55559925dc1 68 //pc.printf("\n \r data not received \n");
aniruddhv 52:0bd68655c651 69
aniruddhv 52:0bd68655c651 70 irpt_2_slv = 0;
shreeshas95 103:b55559925dc1 71 //printf("\n\r %d \n",t.read_us());
aniruddhv 52:0bd68655c651 72 //t.reset();
ee12b079 130:d5b53088270b 73 }
ee12b079 130:d5b53088270b 74
ee12b079 130:d5b53088270b 75 void FCTN_I2C_WRITE(char *data)
ee12b079 130:d5b53088270b 76 {
ee12b079 130:d5b53088270b 77 irpt_2_slv = 1;
ee12b079 130:d5b53088270b 78 //t.start();
ee12b079 130:d5b53088270b 79 write_ack = master.write(addr|0x00,data,tc_len);
ee12b079 130:d5b53088270b 80 //t.stop();
ee12b079 130:d5b53088270b 81 //if(write_ack == 0)
ee12b079 130:d5b53088270b 82 //gPC.printf("\n\r data not sent \n");
ee12b079 130:d5b53088270b 83
ee12b079 130:d5b53088270b 84 if (write_ack == 0)
ee12b079 130:d5b53088270b 85 {
ee12b079 130:d5b53088270b 86 // led2 = 1;
ee12b079 130:d5b53088270b 87 //gPC.printf("\n\r data not sent \n");
ee12b079 130:d5b53088270b 88 // led2 = 0;
ee12b079 130:d5b53088270b 89 }
ee12b079 130:d5b53088270b 90 irpt_2_slv = 0;
ee12b079 130:d5b53088270b 91 //gPC.printf("\n\r %d \n",t.read_us());
ee12b079 130:d5b53088270b 92 //t.reset();
ee12b079 132:d4a4461214ad 93 }
ee12b079 132:d4a4461214ad 94
ee12b079 132:d4a4461214ad 95
Piasiv1206 138:71ed56f2ec50 96 const int addr1 = (0x20<<1|0);
Piasiv1206 138:71ed56f2ec50 97 const int addr2 = (0x20<<1|1);
ee12b079 132:d4a4461214ad 98
ee12b079 132:d4a4461214ad 99
ee12b079 132:d4a4461214ad 100
ee12b079 132:d4a4461214ad 101
ee12b079 132:d4a4461214ad 102
ee12b079 132:d4a4461214ad 103
ee12b079 132:d4a4461214ad 104
ee12b079 132:d4a4461214ad 105
ee12b079 132:d4a4461214ad 106 void isr_pyldtm()
ee12b079 132:d4a4461214ad 107 {
ee12b079 132:d4a4461214ad 108 gLEDR=!gLEDR;
ee12b079 139:17353d6311ce 109 read_ack = master.read(addr1,PL_I2C_DATA,134);
ee12b079 132:d4a4461214ad 110 rcv_isr = 1;
aniruddhv 52:0bd68655c651 111 }