ABL electronic PIC Microcontrollers PIC18 User Manual

mikroC - C Compiler for Microchip PIC microcontrollers

mikroC

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Ow_Reset(char *port, char pin);

Returns 0 if DS1820 is present, 1 if not present.

Issues OneWire reset signal for DS1820. Parameters 

port

and 

pin

specify the location

of DS1820.

Works with Dallas DS1820 temperature sensor only.

Ow_Reset(&PORTA, 5); 

// reset DS1820 connected to the RA5 pin

Ow_Read(char *port, char pin);

Data read from an external device over the OneWire bus.

Reads one byte of data via the OneWire bus.

tmp = Ow_Read(&PORTA, 5);

Ow_Write(char *port, char pin, char par);

Writes one byte of data (argument 

par

) via OneWire bus.

Ow_Write(&PORTA, 5, 0xCC);