working version
Dependencies: mbed mbed-rtos SimpleDMA FreescaleIAP eeprom
Fork of CDMS_CODE_FM_28JAN2017 by
i2c.h@162:48fda0b8d573, 2016-04-14 (annotated)
- Committer:
- ee12b079
- Date:
- Thu Apr 14 04:34:58 2016 +0000
- Revision:
- 162:48fda0b8d573
- Parent:
- 161:a63672bf4423
- Child:
- 170:286ef9dad36a
Merged bae_i2c
Who changed what in which revision?
User | Revision | Line number | New 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 | |
aniruddhv | 52:0bd68655c651 | 5 | const int addr = 0x20; //slave address |
ee12b079 | 161:a63672bf4423 | 6 | bool write_ack = false; |
ee12b079 | 161:a63672bf4423 | 7 | bool read_ack = false; |
ee12b079 | 161:a63672bf4423 | 8 | const int addr_pl = 0x20<<1; //PL address |
ee12b079 | 162:48fda0b8d573 | 9 | const int addr_bae = 0x20; ///bae address |
ee12b079 | 161:a63672bf4423 | 10 | uint8_t rcv_isr = 0; |
aniruddhv | 52:0bd68655c651 | 11 | |
aniruddhv | 52:0bd68655c651 | 12 | int count = 0; |
aniruddhv | 52:0bd68655c651 | 13 | |
ee12b079 | 161:a63672bf4423 | 14 | char PL_I2C_DATA[134];//Payload i2c array |
ee12b079 | 161:a63672bf4423 | 15 | uint8_t PL_TM_SIZE;//size of data to bev read from i2c |
ee12b079 | 161:a63672bf4423 | 16 | |
ee12b079 | 161:a63672bf4423 | 17 | void FCTN_I2C_WRITE_PL(char *data2,uint8_t tc_len2) |
aniruddhv | 52:0bd68655c651 | 18 | { |
ee12b079 | 161:a63672bf4423 | 19 | write_ack = master.write(addr_pl|0x00,data2,tc_len2);//address to be defined in payload |
ee12b079 | 161:a63672bf4423 | 20 | if(write_ack == 1) |
aniruddhv | 52:0bd68655c651 | 21 | { |
ee12b079 | 161:a63672bf4423 | 22 | printf("\n\rdata not sent\n"); |
ee12b079 | 161:a63672bf4423 | 23 | } |
aniruddhv | 52:0bd68655c651 | 24 | } |
aniruddhv | 52:0bd68655c651 | 25 | |
ee12b079 | 162:48fda0b8d573 | 26 | void FCTN_I2C_READ(char *data,int length) |
ee12b079 | 162:48fda0b8d573 | 27 | { |
ee12b079 | 162:48fda0b8d573 | 28 | CDMS_I2C_GPIO = 1; |
ee12b079 | 162:48fda0b8d573 | 29 | //t_read.start(); |
ee12b079 | 162:48fda0b8d573 | 30 | read_ack = master.read(addr_bae|1,data,length); |
ee12b079 | 162:48fda0b8d573 | 31 | //t_read.stop(); |
ee12b079 | 162:48fda0b8d573 | 32 | |
ee12b079 | 162:48fda0b8d573 | 33 | if(read_ack == 0) |
ee12b079 | 162:48fda0b8d573 | 34 | printf("\n\rData received from BAE %s \n",data); |
ee12b079 | 162:48fda0b8d573 | 35 | if (read_ack == 1) |
ee12b079 | 162:48fda0b8d573 | 36 | { |
ee12b079 | 162:48fda0b8d573 | 37 | printf("\n \r data not received \n"); |
ee12b079 | 162:48fda0b8d573 | 38 | } |
ee12b079 | 162:48fda0b8d573 | 39 | //if(read_ack == 1) |
ee12b079 | 162:48fda0b8d573 | 40 | //pc.printf("\n \r data not received \n"); |
ee12b079 | 162:48fda0b8d573 | 41 | |
ee12b079 | 162:48fda0b8d573 | 42 | CDMS_I2C_GPIO = 0; |
ee12b079 | 162:48fda0b8d573 | 43 | //printf("\n\r %d \n",t.read_us()); |
ee12b079 | 162:48fda0b8d573 | 44 | //t.reset(); |
ee12b079 | 162:48fda0b8d573 | 45 | } |
ee12b079 | 162:48fda0b8d573 | 46 | |
ee12b079 | 162:48fda0b8d573 | 47 | void FCTN_I2C_WRITE(char *data,uint8_t tc_len2) |
ee12b079 | 162:48fda0b8d573 | 48 | { |
ee12b079 | 162:48fda0b8d573 | 49 | CDMS_I2C_GPIO = 1; |
ee12b079 | 162:48fda0b8d573 | 50 | //t.start(); |
ee12b079 | 162:48fda0b8d573 | 51 | write_ack = master.write(addr_bae|0x00,data,tc_len2); |
ee12b079 | 162:48fda0b8d573 | 52 | //t.stop(); |
ee12b079 | 162:48fda0b8d573 | 53 | //if(write_ack == 0) |
ee12b079 | 162:48fda0b8d573 | 54 | //gPC.printf("\n\r data not sent \n"); |
ee12b079 | 162:48fda0b8d573 | 55 | |
ee12b079 | 162:48fda0b8d573 | 56 | if (write_ack == 1) |
ee12b079 | 162:48fda0b8d573 | 57 | { |
ee12b079 | 162:48fda0b8d573 | 58 | // led2 = 1; |
ee12b079 | 162:48fda0b8d573 | 59 | gPC.printf("\n\r data not sent \n"); |
ee12b079 | 162:48fda0b8d573 | 60 | // led2 = 0; |
ee12b079 | 162:48fda0b8d573 | 61 | } |
ee12b079 | 162:48fda0b8d573 | 62 | CDMS_I2C_GPIO = 0; |
ee12b079 | 162:48fda0b8d573 | 63 | //gPC.printf("\n\r %d \n",t.read_us()); |
ee12b079 | 162:48fda0b8d573 | 64 | //t.reset(); |
ee12b079 | 162:48fda0b8d573 | 65 | } |
ee12b079 | 162:48fda0b8d573 | 66 | |
ee12b079 | 161:a63672bf4423 | 67 | void isr_pyldtm() |
aniruddhv | 52:0bd68655c651 | 68 | { |
aniruddhv | 52:0bd68655c651 | 69 | |
ee12b079 | 161:a63672bf4423 | 70 | read_ack = master.read(addr_pl|1,PL_I2C_DATA,134); |
ee12b079 | 161:a63672bf4423 | 71 | gLEDR=!gLEDR; |
ee12b079 | 161:a63672bf4423 | 72 | rcv_isr = 1; |
aniruddhv | 52:0bd68655c651 | 73 | } |