dwengoDelay.h File Reference

Delay routines. More...

Defines
#define	delay_us(n)
	Delay in microseconds.
Functions
void	delay_100us (int n)
	Delay in 100 microseconds.
void	delay_ms (int n)
	Delay in milliseconds.
void	delay_s (int n)
	Delay in seconds.

---

Detailed Description

Delay routines.

Implementation of delay functionality for the Dwengo board

---

Define Documentation

#define delay_us

(

n

)

Value:

{ char a=n;  \
    _asm                  \
  MOVLW a               \
  MOVF PLUSW2, 1, 0     \
  BZ   12               \
  DECF PLUSW2, 1, 0     \
loop:                     \
  MOVLW a               \
    MOVF PLUSW2, 1, 0     \
  BZ   8                \
  NOP                   \
  NOP                   \
  NOP                   \
  NOP                   \
  NOP                   \
  NOP                   \
  DECF PLUSW2, 1, 0     \
  BRA  -11              \
end:                      \
  _endasm }

Delay in microseconds.

Parameters:

n	number (0-255) of microseconds to wait

---

Function Documentation

void delay_100us

(

int

n

)

Delay in 100 microseconds.

Parameters:

n	times 100 microseconds the microcontroller has to wait

void delay_ms

(

int

n

)

Delay in milliseconds.

Parameters:

n	number of milliseconds the program has to wait

void delay_s

(

int

n

)

Delay in seconds.

Parameters:

n	times seconds the microcontroller has to wait