lpclib.c.bak

基于LP22132 KELL下的磁卡写卡器

#include "config.h"
#include "lpclib.h"
#define UART_BPS        115200           //串口通讯波特率
#define SETdatab         8
#define SETstopb         1
#define SETparity        0


extern void IRQ_Eint0 (void)__irq;
extern void IRQ_Eint1 (void)__irq;
extern void IRQ_Eint2 (void)__irq;
extern void IRQ_Eint3 (void)__irq;
extern void IRQ_TIME1 (void)__irq;
extern void IRQ_UART0 (void)__irq;


 char str[140];           //串口取字符串缓冲区
//********第一轨*********************************************//
unsigned char buf1[100];            //已编码待写入的磁卡数据
volatile unsigned char num1;        //待写入的数据总长度
volatile unsigned char count_num1;  //已写入的字节数
volatile unsigned char befor1_flag; //上一周期写的数据
volatile unsigned char w1_flag;     //将写写入的数据位
volatile unsigned char bit_len1;    //已写入的数据位数
volatile unsigned char LRC1;        //LRC校验
volatile unsigned char EXT_FLAG1;    //写卡完毕标志
//********第二轨*********************************************//
unsigned char buf2[70];             //已编码待写入的磁卡数据
volatile unsigned char num2;        //待写入的数据总长度
volatile unsigned char count_num2;  //已写入的字节数
volatile unsigned char befor2_flag; //上一周期写的数据
volatile unsigned char w2_flag;     //将写写入的数据位
volatile unsigned char int2_flag;   //已写入一次标志位 
volatile unsigned char bit_len2;    //已写入的数据位数
volatile unsigned char LRC2;        //LRC校验
volatile unsigned char EXT_FLAG2;    //写卡完毕标志
//********第三轨*********************************************//
volatile unsigned char buf3[140];    //已编码待写入的磁卡数据
volatile unsigned char num3;        //待写入的数据总长度
volatile unsigned char count_num3;  //已写入的字节数
volatile unsigned char befor3_flag; //上一周期写的数据
volatile unsigned char w3_flag;     //将写写入的数据位
volatile unsigned char int3_flag;   //已写入一次标志位 
volatile unsigned char bit_len3;    //已写入的数据位数
volatile unsigned char LRC3;        //LRC校验
volatile unsigned char EXT_FLAG3;    //写卡完毕标志
 //--------------------------------------------------------------------------------------
//编码数组
//code_23asci[16][3]=
//--------------------------------------------------------------------------------------
unsigned char const code_23asci[16][3]=
{0x30,'0', 0x10,// 0001 0000
 0x31,'1', 0x01,// 0000 0001
 0x32,'2', 0x02,// 0000 0010
 0x33,'3', 0x13,// 0001 0011
 0x34,'4', 0x04,// 0000 0100
 0x35,'5', 0x15,// 0001	0101
 0x36,'6', 0x16,// 0001 0110
 0x37,'7', 0x07,// 0000 0111
 0x38,'8', 0x08,// 0000 1000
 0x39,'9', 0x19,// 0001 1001
 0x3a,':', 0x1a,// 0001 1010
 0x3b,';', 0x0b,// 0000 1011
 0x3c,'<', 0x1c,// 0001 1100
 0x3d,'=', 0x0d,// 0000 1101
 0x3e,'>', 0x0e,// 0000 1110
 0x3f,'?', 0x1f,// 0001 1111
};
 
//--------------------------------------------------------------------------------------
//编码数组
//code_23asci[16][3]=
//--------------------------------------------------------------------------------------
unsigned char const code_1asci[64][3]=
{0x20,' ', 0x40,// 0100 0000
 0x21,'!', 0x01,// 0000 0001
 0x22,'"', 0x02,// 0000 0010
 0x23,'#', 0x43,// 0100 0011
 0x24,'$', 0x04,// 0000 0100
 0x25,'%', 0x45,// 0100 0101
 0x26,'&', 0x46,// 0100 0110
 0x27,' ', 0x07,// 0000 0111
 0x28,'(', 0x08,// 0000 1000
 0x29,')', 0x49,// 0100 1001
 0x2a,'*', 0x4a,// 0100 1010
 0x2b,'+', 0x0b,// 0000 1011
 0x2c,' ', 0x4c,// 0100 1100
 0x2d,'-', 0x0d,// 0000 1101
 0x2e,'.', 0x0e,// 0000 1110
 0x2f,'/', 0x4f,// 0100 1111
 
 0x30,'0', 0x10,// 0001 0000
 0x31,'1', 0x51,// 0101 0001
 0x32,'2', 0x52,// 0101 0010
 0x33,'3', 0x13,// 0001 0011
 0x34,'4', 0x54,// 0101 0100
 0x35,'5', 0x15,// 0001 0101
 0x36,'6', 0x16,// 0001 0110
 0x37,'7', 0x57,// 0101 0111
 0x38,'8', 0x58,// 0101 1000
 0x39,'9', 0x19,// 0001 1001
 0x3a,':', 0x1a,// 0001 1010
 0x3b,';', 0x5b,// 0101 1011 
 0x3c,'<', 0x1c,// 0001 1100
 0x3d,'=', 0x5d,// 0101 1101
 0x3e,'>', 0x5e,// 0101 1110
 0x3f,'?', 0x1f,// 0001 1111
 
 0x40,'@', 0x20,// 0010 0000
 0x41,'A', 0x61,// 0110 0001
 0x42,'B', 0x62,// 0110 0010
 0x43,'C', 0x23,// 0010 0011
 0x44,'D', 0x64,// 0110 0100
 0x45,'E', 0x25,// 0010 0101
 0x46,'F', 0x26,// 0010 0110
 0x47,'G', 0x67,// 0110 0111
 0x48,'H', 0x68,// 0110 1000
 0x49,'I', 0x29,// 0010 1001
 0x4a,'J', 0x2a,// 0010 1010
 0x4b,'K', 0x6b,// 0110 1011 
 0x4c,'L', 0x2c,// 0010 1100
 0x4d,'M', 0x6d,// 0110 1101
 0x4e,'N', 0x6e,// 0110 1110
 0x4f,'O', 0x2f,// 0010 1111
  
 0x50,'P', 0x70,// 0111 0000
 0x51,'Q', 0x31,// 0011 0001
 0x52,'R', 0x32,// 0011 0010
 0x53,'S', 0x73,// 0111 0011
 0x54,'T', 0x34,// 0011 0100
 0x55,'U', 0x75,// 0111 0101
 0x56,'V', 0x76,// 0111 0110
 0x57,'W', 0x37,// 0011 0111
 0x58,'X', 0x38,// 0011 1000
 0x59,'Y', 0x79,// 0111 1001
 0x5a,'Z', 0x7a,// 0111 1010
 0x5b,'[', 0x3b,// 0011 1011 
 0x5c,'|', 0x7c,// 0111 1100
 0x5d,']', 0x3d,// 0011 1101
 0x5e,'^', 0x3e,// 0011 1110
 0x5f,'_', 0x3f,// 0111 1111
 };

 //------------------------------------------------------------------------------------
 //计算奇偶校验
 //unsigned char b_lrc (unsigned char dat)
 //------------------------------------------------------------------------------------
 unsigned char b_lrc (unsigned char dat)
 {
  unsigned char  tmp;
  unsigned char  tmpdat;
  tmp=(dat>>4)&0x0f;
  tmpdat=(dat&0x0f)^tmp;         //低四位或高4位
  tmp=(tmpdat>>2)&0x03;          //取低二位
  tmpdat=(tmpdat&0x03)^tmp;
  tmp=(tmpdat>>1)&0x01;
  tmpdat=(tmpdat&0x01)^tmp;
  return(tmpdat);

  }
//----------------------------------------------------------------------------------------------------
//延时函数参数大延时长
//void DelayNS (uint32 dly)
//----------------------------------------------------------------------------------------------------
void DelayNS (uint32 dly)
{
 uint32 i;
 
 for ( ; dly>0; dly--)
  for (i=0; i<50000; i++);
}

//----------------------------------------------------------------------------------------------------
//初始化串口0
//void UART0_Init (void)
//----------------------------------------------------------------------------------------------------
void UART0_Init (void)
{
 uint16 Fdiv;
 PINSEL0 =(PINSEL0&(~0x0f))|0x05; //设置UART0连接，其他为普通IO 口
 U0LCR = 0x83;                    // DLAB=1,允许设置波特率
 Fdiv  = (Fpclk / 16) / UART_BPS; // 设置波特率
 U0DLM = Fdiv / 256;
 U0DLL = Fdiv % 256;
 U0LCR = 0x03;
}

//----------------------------------------------------------------------------------------------------
//初始化串口1
// void UART1_Init (void)
//----------------------------------------------------------------------------------------------------
void UART1_Init (uint32 baud)
{
 uint16 Fdiv;
 PINSEL0 =(PINSEL0&(~0x0f))|0x05; //设置UART0连接，其他为普通IO 口
 U0LCR = 0x83;                    // DLAB=1,允许设置波特率
 Fdiv  = (Fpclk / 16) / baud; // 设置波特率
 U0DLM = Fdiv / 256;
 U0DLL = Fdiv % 256;
 U0LCR = 0x03;
}
//----------------------------------------------------------------------------------------------------
//串口0发送一字节`
//void UART0_SendByte (uint8 dat)
//----------------------------------------------------------------------------------------------------

char Uart_Getch(void)
{
 uint8 rcv_dat;
 
 while ((U1LSR & 0x01) == 0);
 rcv_dat = U1RBR;
 
 return (rcv_dat); 
}
//----------------------------------------------------------------------------------------------------
//串口0发送一字节`
//void UART0_SendByte (uint8 dat)
//----------------------------------------------------------------------------------------------------
void Uart_SendByte (uint8 dat)
{
 U1THR = dat;
 while ((U1LSR & 0x40) == 0);  // 等待数据发送完毕
}

//----------------------------------------------------------------------------------------------------
//串口0发送字符串`
//void Uart0_SendString(char *pt)
//----------------------------------------------------------------------------------------------------

void Uart_SendString(char *pt)
{
    while(*pt)
	Uart_SendByte(*pt++);
}

//----------------------------------------------------------------------------------------------------
//串口打印
//void Uart_Printf(char *fmt,...)
//----------------------------------------------------------------------------------------------------
void Uart_Printf(char *fmt,...)
{
    va_list ap;
    char string[256];

    va_start(ap,fmt);
    vsprintf(string,fmt,ap);
    Uart_SendString(string);
    va_end(ap);
}

//----------------------------------------------------------------------------------------------------
//串口0接接收一字符串`
//void Uart_GetString(char *string)
//----------------------------------------------------------------------------------------------------
void Uart_GetString(char *string)
{
    char *string2=string;
    char c;
    while((c=Uart_Getch())!='\r')
    {
	if(c=='\b')
	{
	    if(	(int)string2 < (int)string )
	    {
		Uart_Printf("\b \b");
		string--;
	    }
	}
	else 
	{
	    *string++=c;
	    Uart_SendByte(c);
	}
    }
    *string='\0';
    Uart_SendByte('\n');
}
//-----------------------------------------------------------------------------------------------------
//端口初始化
//void Port_Init(void);
//------------------------------------------------------------------------------------------------------
void Port_Init(void)
{

//  P00 RXD  P01TXD P03 EINT1  P04 OUT P05 OUT P06 OUT P07 OUT P08 RXD P09TXD P010 IN   P011 SCL  P014 SDA  P015 EINT2 
//
//      P0. 15            12            8             4             0 
//|PINSEL0  | 10 11 00 00 | 11 00 01 01 | 00 00 00 00 | 11 00 01 01 |  //控制功能=0xb0c500c5
//|IO0DIR   | 0  1  1  1     1  0  0  0    1  1  1  1    0  0  0  0 |  //低16位=0x78f0




// P016 EINT0 P018 CAP1.3 P019 CAP1.2 P020 EINT3 P021 OUT  P022 OUT  P028 OUT  P029 IN 
// 
//      P0. 31            28            24          20             16 
//|PINSEL1  | 00 00 00 00 | 00 00 00 00 | 00 00 00 11 | 11 00 00 01 |  //控制功能=0x000003c1
//|IO0DIR   |  1  1  1  0    1  1  1  1   1   1  1  0   0   0  0  0 |  //高16位=0xefe0
 PINSEL1=0x000003c1;            //IO状态控制1
 PINSEL0=0xb0c500c5;            //IO状态控制0
 IO0DIR =0xefe078f0;            //IO方向控制器
 IO0SET =0x00000000;            //IO置位寄存器
 IO0CLR =0x00000000;            //IO清除寄存器


//P117 OUT P119 OUT P121 IN P122 OUT  P124OUT P125 OUT P127 OUT P129 IN P130 IN  
//      P. 31          24           16          8           0  //X位为0 P1.31- P1.26用作GPIO口
//|PINSEL2  | 0000 0000 | 0000 0000 | 0000 0000 | 0000 0YX0 |  //X位为1 P1.31- P1.26用作JTAG调试口
//      P. 31          24           16          8           0  //Y位为0 P1.25- P1.16用作GPIO口
//|PINSEL2  | 0000 0000 | 0000 0000 | 0000 0000 | 0000 0YX0 |  //Y位为1 P1.25- P1.16用作跟踪调试口
// IO1DIR     1001 1111   1101 1111   1111 1111   1111 1111    //IO1DIR=0x09fdfffff;

                                                               

PINSEL2=PINSEL2&0xfffffff9;//除X,Y位外其它位不允许写1          //用作GPIO口
IO1DIR =0x09fdfffff;            //IO方向控制器
IO1SET  =0x00000000;            //IO置位寄存器
IO1CLR  =0x00000000;            //IO清除寄存器
}
//----------------------------------------------------------------------------------------------------
//使能HD1 写NS
//void Hd1_H(void)
//----------------------------------------------------------------------------------------------------
void Hd1_H(void)
 {
//IO0SET 0000 0000 0000 0000 0000 0000 000x 0000 
 IO0SET=IO0SET|0x00000010; //写入1
 //IO1SET 0000 00X0 0000 0000 0000 0000 0000 0000 
 IO1CLR=IO1CLR|0x02000000; //写入0
 }
//----------------------------------------------------------------------------------------------------
//使能HD1 写SN
//void Hd1_L(void)
//----------------------------------------------------------------------------------------------------
void Hd1_L(void)
 {
 //IO0SET 0000 0000 0000 0000 0000 0000 000x 0000 
 IO0CLR=IO0CLR|0x00000010; //写入0