dac_max514.h

共享几个AVR单片机的常用代码

#include <avr/io.h>
#include "Timer.h"

/*			PORT	DDR		PIN
	A		0x1B	0x1A	0x19	
	B		0x18	0x17	0x16	
	C		0x15	0x14	0x13
	D		0x12	0x11	0x10

DA
		DA_CLK		PD6
		DA_LOAD	PD7
		DA0_DATA	PD4
		DA1_DATA	PD5

*/

#define DAC_KEEP_LEVEL	10000

#define DAC_PORT_OUTPUT	asm("sbi 0x11,4"::);asm("sbi 0x11,5"::);asm("sbi 0x11,6"::);asm("sbi 0x11,7"::)

#define DAC_DATA0_SETH	asm("sbi 0x12,4"::)
#define DAC_DATA0_SETL	asm("cbi 0x12,4"::)
#define DAC_DATA1_SETH	asm("sbi 0x12,5"::)
#define DAC_DATA1_SETL	asm("cbi 0x12,5"::)
#define DAC_CLK_SETH	asm("sbi 0x12,6"::)
#define DAC_CLK_SETL	asm("cbi 0x12,6"::)
#define DAC_EN_LOAD		asm("cbi 0x12,7"::)
#define DAC_DIS_LOAD	asm("sbi 0x12,7"::)

#define DAC_OUT_CLK		DAC_CLK_SETH;DELAY_8M_us;DAC_CLK_SETL
#define DAC_OUT_LOAD	DAC_EN_LOAD;DELAY_8M_us;DAC_DIS_LOAD

void DAC_Init(void);
void DAC_Set_Level(uint16_t lvl_0,uint16_t lvl_1);