ht1621.c

M3355的源代码

/********************************************************
	Copyright (c) 1999 Acer Laboratories Inc.
				All Rights Reserved.
File	: HT1621.c
Contents: 1621 LCD chip control
          We use SCI0 for SCI bus. (SCI0 for RS232)
History	:
	  Date		by		  Reason
	========  ============  ========================
	??/??/??   ????		  build
	05/19/99   Charlemage	for timing/ack process
*********************************************************/
#include <gpio.h>
#include <sci.h>
#include <platform.h>

#define LoByte(arg)  (*((BYTE *)&(arg)+1))
#define HiByte(arg)  (*(BYTE *)&(arg))
#define BYTE0(arg)   (*((char *)&(arg)+3))
#define BYTE1(arg)   (*((char *)&(arg) + 2))
#define BYTE2(arg)   (*((char *)&(arg) + 1))
#define BYTE3(arg)   (*(char *)&(arg))

#define VFD_SEG_NUM 16
#define VFD_GRID_NUM 10
//#define CHIP_TYPE 16311
/*#define CHIP_TYPE 16312*/
#if(_FP==24)
DWORD Postable[]={1,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536};
DWORD FPTOFP[128][2];

#endif


/*--------------------------------------------------
void VfdInit();
	Initialize the Vfd Chip
	Arguments:
		NONE
	Return value:
		NONE
			by Charlemagne Yue
---------------------------------------------------*/
void VfdInit()
{
    /* /STB for VFD */
    SET_GPIO_W(BACK_LIGHT|LED);/*盢ㄓ簿