pavelustinov
Newbie level 3
- Joined
- Mar 9, 2013
- Messages
- 4
- Helped
- 0
- Reputation
- 0
- Reaction score
- 0
- Trophy points
- 1,281
- Activity points
- 1,351
Hello!
Function onewire_read() always return 0, so it will be infinite loop.
Function must read data from 18b20 temperature sensor.
Defined
Same problem discuss here
https://www.edaboard.com/threads/5984/
Function onewire_read() always return 0, so it will be infinite loop.
Function must read data from 18b20 temperature sensor.
Code C - [expand] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 int onewire_read() { int count, data; for (count=0; count<8; ++count) { output_low(ONE_WIRE_PIN); delay_us( 2 ); // pull 1-wire low to initiate read time-slot. output_float(ONE_WIRE_PIN); // now let 1-wire float high, delay_us( 8 ); // let device state stabilise, shift_right(&data,1,input(ONE_WIRE_PIN)); // and load result. delay_us( 120 ); // wait until end of read slot. } return( data ); }
Defined
Code C - [expand] 1#define ONE_WIRE_PIN PIN_A0
Same problem discuss here
https://www.edaboard.com/threads/5984/