📄 driver.c.bak
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/*
* Copyright (c) 2004,成都港顺科技发展有限公司
* All rights reserved.
*
* 编 译 器：Keil:C Compiler:7.20;Assembler:7.10
* 工程名称：POS-Test.UV2
* 文件名称：Common.C
* 摘 要：硬件驱动
*
* 单 片 机：uPSD3254
* 当前版本：0.4
* 作 者：李凯、雍继兵
* 完成日期：2004-12-7 14:45
*
* LCD显示字库采用16×16 GBK字库，纵向取模
* VFD为10位9段显示
* 键盘8×8矩阵＋键盘锁8档＝8×9矩阵
*/
#include "Main.h"
///////////////////////////////////////////////////////////////////////////////
// KEY Control
#define KeyEnable P47 = 0
#define KeyDisable P47 = 1
#define KeyAdr 0xe00c
///////////////////////////////////////////////////////////////////////////////
#define NandFalshE 0x800D
#define PrintAdr 0x800E
///////////////////////////////////////////////////////////////////////////////
// Serial Flash Control
#define FlashDisable P4|=0X0F,P47=1
#define FlashEnable P47=0
#define Mcs1_Enable P4=(P4&0xF0)|0X03
#define Mcs2_Enable P4=(P4&0xF0)|0X04
#define Mcs3_Enable P4=(P4&0xF0)|0X0a
#define Mcs4_Enable P4=(P4&0xF0)|0X06
// M25P80 and M45PE80 and M25P16 Instruction
//
#define FlashWE 0x06 //Write Enable
#define FlashWD 0x04 //Write Disable
#define FlashRSR 0x05 //Read Status Register
#define FlashWSR 0x01 //Write Status Register
#define FlashRD 0x03 //FlashRD Data Bytes
#define FlashFRD 0x0B //FlashRD Data Bytes at Higher Speed
#define FlashPW 0x0A //Page Write
#define FlashPP 0x02 //Page Program
#define FlashPE 0xDB //Page Erase
#define FlashSE 0xD8 //Sector Erase
#define FlashBE 0xC7 //Bulk Erase
#define FlashDP 0xB9 //Deep Power-down
#define FlashRDP 0xAB //Release form Deep Power-down
///////////////////////////////////////////////////////////////////////////////
#define VFD_Enable P47=0,P4=(P4&0xF0)|0x02
#define VFD_Forbid P4|=0X0F,P47=1
#define OpenCashbox P47=0,P4=(P4&0xF0)|0x01
#define CloseCashbox P4|=0X0F,P47=1
#define BeepOn P47=0,P4&=0xF0
#define BeepOff P4|=0X0F,P47=1
sbit VFDCLK=P4^4; //P4.1
sbit VFDSDA=P4^6; //p4.0
sbit I2CSDA=P3^6;
sbit I2CSCK=P3^7;
volatile uchar xdata SerialFlash[5] _at_ 0x6DFB;
volatile uchar xdata TxdBuf [256] _at_ 0x6F00; //Data Buffer for UART1、2 Transmitter
volatile uchar xdata RxdBuf [256] _at_ 0x6E00; //Data Buffer for UART1、2 Receiver
uint xdata TxdLen; //no. of data to FlashBE transimitted
uint xdata TxdNum; //no. of data transmitted
uint xdata RxdLen; //no. of data to FlashBE received
uint xdata RxdNum; //no. of data received
uchar xdata PwrFlg;
uchar xdata TxdFlg;
uchar xdata RxdFlg;
//---------------------------INT Begin--------------------------------------------------
void PowerInt(void) interrupt IE0_VECTOR
{
PwrFlg=1;
// LcdDisplay(0,16,"进入掉电中断!",3);
}
void SimInt (void) interrupt IE1_VECTOR
{
}
/*------------------------------------------------------------------------------*/
// UART 0 Interrupt service routine
/* ---------------------------------------------------------------------------- */
void Uart0Int (void) interrupt SIO_VECTOR
{
if (RI)
{
if (RxdLen > RxdNum)
{
RxdBuf [RxdNum] = SBUF;
RxdNum++;
}
RI = 0;
if (RxdLen <= RxdNum)RxdFlg=1;
}
else
{
if (TxdLen > TxdNum)
{
SBUF = TxdBuf [TxdNum];
TxdNum++;
}
TI = 0;
if (TxdLen <= TxdNum)TxdFlg=1;
}
}
/*------------------------------------------------------------------------------*/
// UART 1 Interrupt service routine
/* ---------------------------------------------------------------------------- */
void Uart1Int (void) interrupt SIO1_VECTOR
{
if ( SCON2 & 0x01)
{
SCON2 &= 0xFE; //RI = 0;
if (RxdNum<RxdLen)
{
RxdBuf [RxdNum] = SBUF2;
RxdNum+=1;
}
if (RxdLen <= RxdNum)RxdFlg=1;
}
else
{
SCON2 &= 0xFD;
if (TxdNum<TxdLen)
{
SBUF2 = TxdBuf [TxdNum];
TxdNum+=1; //TI = 0;
}
if (TxdLen <= TxdNum)TxdFlg=1;
}
}
//---------------------------INT End----------------------------------------------------
//---------------------------Uart Begin--------------------------------------------------
/*
Timer1:
模式1、3波特率= 2SMOD/32 × fosc/12×[256 - (TH1)]
timer_reg_value = (unsigned char)(256 - (OSC * baud_ratio)/ (32 * 12 * baudrate));
Timer2:
模式1、3波特率=fosc/(32×[65536-(RC2H,RC2L)])
timer_reg_value = (unsigned int) (65536 - (OSC / (32 * baudrate)));
*/
void UartSet(uchar ch,uchar timer,uchar mode,uchar net,uint baudrate)
{
unsigned char ratio,sconx;
unsigned int value;
// unsigned long tp;
sconx=0;
switch(mode)
{
case 0: break;
case 1: sconx |= 0x40; break;
case 2: sconx |= 0x80; break;
case 3: sconx |= 0xC0; break;
default : sconx |= 0x40; break;
}
if(net==1)sconx |= 0x20; //如果允许多机通信
RCLK=0;
TCLK=0;
PCON &= 0xF3; //RCLK1,TCLK1=0
if(ch==0)
{
REN=0; //禁止UART0接收
ES = 0; //关UART0中断
if(timer==2){RCLK=1;TCLK=1;}//TCLK和RCLK=1,使用Timer2 for UART1
}
else
{
SCON2 &= 0xEF; //禁止UART1接收,REN2=0
IEA &= 0xEF; //关UART1中断,ES2 = 0;
if(timer==2)PCON |= 0x0C; //TCLK1和RCLK1=1,使用Timer2 for UART2
}
if(timer==1)
{//timer 1:24MHz时钟时，最好不用Timer1做波特率时钟，误差太大
ET1=0; //关定时器1中断
TR1=0;
TMOD &= 0x0F; // clear timer 1 mode bits
TMOD |= 0x20; //Set timer1 自动重载模式,按定时器操作来配置
if(baudrate==9600 || baudrate==38400)
{
ratio=2;
if(ch==0)PCON |= 0x80; //SMOD=1;
else PCON |= 0x40; //SMOD1=1;
}
else
{//baudrate==19200 or 4800,19200误差比较大
ratio=1;
if(ch==0)PCON &= 0x7F; //SMOD=0;
else PCON &= 0xBF; //SMOD1=0;
}
if(mode==1 || mode==3)
{//Mode 1 or Mode 3
// tp = OSC/384; //12*32=384
// TH1 = 256 - (unsigned char)(tp*ratio/baudrate);
TH1 = 256 - (unsigned char)(Timer1Baudrate*ratio/baudrate);
TL1 = TH1;
TR1=1; //启动定时器1
}
}
else
{//timer 2
ET2=0;
TR2=0;
if(mode==1 || mode==3)
{
// tp = OSC/32;
// value = (unsigned int)(65536 - (tp/baudrate));
value = (unsigned int)(65536 - (Timer2Baudrate/baudrate));
RCAP2H = value>>8;
RCAP2L = value;
PCON &= 0xBF; //SMOD1 = 0,Only Bps=4800 or 9600 or 19200
T2MOD=1;
TR2 = 1; //启动定时器2
}
}
if(ch==0)
{
SCON = sconx | 0x10 ; //SET SM0,SM1,SM2;REN=1;TI=0;RI=0;TB8=0;RB8=0
// ES = 1; //开UART0中断
}
else
{
SCON2 = sconx | 0x10 ; //SET SM0,SM1,SM2;REN=1;TI=0;RI=0;TB8=0;RB8=0
// IEA |= 0x10; //开UART1中断,ES2 = 1;
}
}
void UartTxd(uint Len,uchar *str)
{
COM1CS;
UARTC;
UART1_Mod1_Timer1_9600;
IEA &= 0xEF; //关UART2中断,ES2 = 0;
TxdNum=0;
TxdLen=Len;
while(TxdNum<TxdLen)
{
SBUF2 = str[TxdNum];
while((SCON2 & 0x02)==0);
SCON2 &= 0xFC;
TxdNum++;
}
// TR1=0;
}
void UartRxd(uint Len,uchar *str)
{
COM1CS;
UARTC;
UART1_Mod1_Timer1_9600;
IEA &= 0xEF; //关UART2中断,ES2 = 0;
RxdNum=0;
RxdLen=Len;
while(RxdNum<RxdLen)
{
while((SCON2 & 0x01)==0);
SCON2 &= 0xFC;
str[RxdNum]=SBUF2;
RxdNum++;
//if(RxdNum==1)RxdLen=str[0]+1;
}
// TR1=0;
}
void ScanerIni()
{
UART1_Mod1_Timer1_9600;
UARTA;
COM1CS;
RxdNum=200;
RxdLen=215;
RxdFlg=0;
IEA |= 0x10; //开UART1中断,ES2 = 1;
}
#if RS485
void RS485Txd(uint Len,uchar *str)
{
UART1CS;
UARTD;
UART1_Mod1_Timer1_9600;
IEA &= 0xEF; //关UART2中断,ES2 = 0;
TxdNum=0;
TxdLen=Len;
while(TxdNum<TxdLen)
{
SBUF2 = str[TxdNum];
while((SCON2 & 0x02)==0);
SCON2 &= 0xFC;
TxdNum++;
}
}
void RS485Rxd(uint Len,uchar *str)
{
UART1CS;
UARTA;
UART1_Mod1_Timer1_9600;
IEA &= 0xEF; //关UART2中断,ES2 = 0;
RxdNum=0;
RxdLen=Len;
while(RxdNum<RxdLen)
{
while((SCON2 & 0x01)==0);
SCON2 &= 0xFC;
str[RxdNum]=SBUF2;
RxdNum++;
//if(RxdNum==1)RxdLen=str[0]+1;
}
}
#endif
//---------------------------Uart End----------------------------------------------------
//---------------------------I2C Begin----------------------------------------------------
void I2cDelay()
{
uint i=1500; //ATMEL:500;ST:1500
while(--i);
}
void SendAck(void)
{
I2CSDA=0;
I2CSCK=1;
_nop_();
_nop_();
_nop_();
_nop_();
I2CSCK=0;
_nop_();
_nop_();
_nop_();
_nop_();
I2CSDA=1;
}
//应答信号:
//调用方式:SendNotAck();
void SendNotAck(void)
{
I2CSDA=1;
I2CSCK=1;
_nop_();
_nop_();
_nop_();
_nop_();
I2CSCK=0;
}
//----------------------------------------------
void I2cStart(void)
{
I2CSCK=0;
I2CSDA=1;
I2CSCK=1;
_nop_();
_nop_();
_nop_();
_nop_();
I2CSDA=0;
_nop_();
_nop_();
_nop_();
_nop_();
I2CSCK=0;
I2CSDA=1;
}
void I2cStop(void)
{
I2CSCK=0;
I2CSDA=0;
I2CSCK=1;
_nop_();
_nop_();
_nop_();
_nop_();
I2CSDA=1;
_nop_();
_nop_();
_nop_();
_nop_();
I2CSCK=0;
}
bit WaitAck(void)
{
uchar errtime=255;//因故障接收方无ACK，超时值为255。
I2CSDA=1;
I2CSCK=1;
while(I2CSDA)
{
errtime--;
if(!errtime)
{
I2cStop();
return 0;
}
}
I2CSCK=0;
return 1;
}
void I2cSendByte(uchar dat)
{
uchar i=8;
while (i--)
{
I2CSCK=0;
I2CSDA=(bit)(dat&0x80);
dat<<=1;
_nop_();
_nop_();
_nop_();
_nop_();
I2CSCK=1;
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
}
I2CSCK=0;
}
//接收一个字节
//调用方式：I2C_Receive_Byte();从SDA总线上读取一个字节的数据
uchar I2cReceiveByte(void)
{
uchar i=8;
uchar dat=0;
// I2CSDA=1;
while (i--)
{
dat<<=1;
I2CSCK=1;
_nop_();
_nop_();
_nop_();
_nop_();
dat|=I2CSDA;
_nop_();
_nop_();
_nop_();
_nop_();
I2CSCK=0;
_nop_();
_nop_();
_nop_();
_nop_();
}
return dat;
}
//每次最多写入32字节(24C64一页32字节)
uchar I2cPageWr(uchar device,uint adr,uchar len,uchar *dat)
{
uchar i;
if(device == EepromAdr)
{
if(len>32)len=32;
I2cStart();
I2cSendByte(device);
if(!WaitAck()) return 0xE0;
i=(uchar)(adr/256);
I2cSendByte(i);
if(!WaitAck()) return 0xE1;
i=(uchar)(adr % 256);
I2cSendByte(i);
if(!WaitAck()) return 0xE2;
for(i=0;i<len;i++)
{
I2cSendByte(dat[i]);
if(!WaitAck()) return 0xE4;
}
I2cStop();
I2cDelay();
}
else
{
I2cStart();
I2cSendByte(device);
if(!WaitAck()) return 0xE0;
i=(uchar)(adr);
I2cSendByte(i);
if(!WaitAck()) return 0xE2;
for(i=0;i<len;i++)
{
I2cSendByte(dat[i]);
if(!WaitAck()) return 0xE4;
}
I2cStop();
I2cDelay();
}
// I2cStart();
// if(device == EepromAdr && len>32)len=32;
// I2cSendByte(device);
// if(!WaitAck()) return 0xE0;
// if(device == EepromAdr)
// {
// i=(uchar)(adr/256);
// I2cSendByte(i);
// if(!WaitAck()) return 0xE1;
// i=(uchar)(adr % 256);
// I2cSendByte(i);
// if(!WaitAck()) return 0xE2;
// }
// else
// {
// i=(uchar)adr;
// I2cSendByte(i);
// if(!WaitAck()) return 0xE3;
// }
// for(i=0;i<len;i++)
// {
// I2cSendByte(dat[i]);
// if(!WaitAck()) return 0xE4;
// }
// I2cStop();
// I2cDelay();
return 1;
}
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