m62429.c

philip RTC 芯片的驱动程序 8563

#include "reg52.h"
#include "intrins.h"
#include "globedef.h"
#include "M62429.h"
#include "delay.h"
code BYTE ALL_VolumeChange[] =
{	
	/*
    0x43, 0x23, 0x63, 0x13, 0x53, 0x33, 0x73, 0x0B, 0x4B, 0x2B,
    0x6B, 0x18, 0x1A, 0x19, 0x1B, 0x58, 0x5A, 0x59, 0x5B, 0x38,
    0x3A, 0x39, 0x3B, 0x78, 0x7A, 0x79, 0x7B, 0x04, 0x06, 0x05,
    0x07, 0x44, 0x46, 0x45, 0x47, 0x24, 0x26, 0x25, 0x27, 0x64,
    0x66, 0x65, 0x67, 0x14, 0x16
	*/
    0x43, 0x23, 0x63, 0x13, 0x53, 0x33, 0x73, 0x0B, 0x4B, 0x2B,
    0x6B, 0x18, 0x1A, 0x19, 0x1B, 0x58, 0x5A, 0x59, 0x5B, 0x38,
    0x3A, 0x39, 0x3B, 0x78, 0x7A, 0x79, 0x7B, 0x04, 0x06, 0x05,
    0x07, 0x44, 0x46, 0x45, 0x47, 0x24, 0x26, 0x25, 0x27, 0x64,
    0x66, 0x65, 0x67, 0x14, 0x16, 0x15, 0x17, 0x54, 0x56, 0x55,
	0x57
};

void 	Volume_Tune(BYTE VolumeValue)
{
	BYTE Volume_Set;
	BYTE Volume_i;
	Volume_Set = ALL_VolumeChange[VolumeValue];
	CLEAR_M62429_CLK2;
	CLEAR_M62429_DATA;
	Delay5US();
	CLEAR_M62429_CLK2;
	Delay5US();
	SET_M62429_CLK2;
	Delay5US();
	Delay5US();
	CLEAR_M62429_CLK2;
	Delay5US();
	CLEAR_M62429_CLK2;
	Delay5US();
	SET_M62429_CLK2;
	Delay5US();
	Delay5US();
	CLEAR_M62429_CLK2;
	Delay5US();
	
	for(Volume_i=0; Volume_i<7; Volume_i++)
	{
		if(Volume_Set & 0x40)
			SET_M62429_DATA;
		else
			CLEAR_M62429_DATA;
		Delay5US();
		CLEAR_M62429_CLK2;
		Delay5US();
		SET_M62429_CLK2;
		Delay5US();
		CLEAR_M62429_DATA;
		Delay5US();
		CLEAR_M62429_CLK2;
		Delay5US();
		Volume_Set <<= 1;
	}
	Delay5US();
	SET_M62429_DATA;
	Delay5US();
	CLEAR_M62429_CLK2;
	Delay5US();
	SET_M62429_CLK2;
	Delay5US();
	CLEAR_M62429_DATA;
	Delay5US();
	CLEAR_M62429_CLK2;
	Delay5US();
	Delay5US();
	SET_M62429_DATA;
	Delay5US();
	CLEAR_M62429_CLK2;
	Delay5US();
	SET_M62429_CLK2;
	Delay5US();
	Delay5US();
	CLEAR_M62429_CLK2;
	Delay5US();
	CLEAR_M62429_DATA;
	Delay5US();
}