串口通信

#include
#include
sfr S2CON=0x9A;
sfr IE2=0xAF;
sfr S2BUF=0x9B;
sfr AUXR=0x8e;
sfr BRT=0x9c;
sfr IAP_CONTR=0xC7;
sfr CCON=0xD8;
sfr CMOD=0xD9;
sfr CL=0xE9;
sfr CH=0xF9;
sfr CCAP0L=0xEA;
sfr CCAP0H=0xFA;
sfr CCAPM0=0xDA;
sfr CCAPM1=0xDB;
sbit CR=0xDE;
sbit MCU_Start_Led=P1^7;
sbit S2_Interrupt_Receive_Led=P1^4;
//unsigned char self_command_[4]={0x22,0x33,0x44,0x55};
#define Self_Define_ISP_Download_Command 0x22
#define RELOAD_COUNT 0xfb
//#define RELOAD_COUNT 0xec
//#define RELOAD_COUNT 0xd8
void serial_port_one_initial();
void send_UART_one(unsigned char);
void UART_one_Interrupt_Receive(void);
void serial_port_two_initial();
void send_UART_two(unsigned char);
void UART_two_Interrupt_Receive(void);
void soft_reset_to_ISP_Monitor(void);
void delay(void);
void display_MCU_Start_Led(void);
void send_PWM(void);
void main(void)
{
unsigned int array_point=0;
unsigned char xdata Test_array_one[512]={
0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,
0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,
0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,
0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,
0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,
0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,
0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,
0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,
0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,
0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f,
0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,
0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f,
0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,
0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f,
0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,
0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,
0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,
0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f,
0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,
0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf,
0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7,
0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf,
0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,
0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xce,0xcf,
0xd0,0xd1,0xd2,0xd3,0xd4,0xd5,0xd6,0xd7,
0xd8,0xd9,0xda,0xdb,0xdc,0xdd,0xde,0xdf,
0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,
0xe8,0xe9,0xea,0xeb,0xec,0xed,0xee,0xef,
0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,
0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff,
0xff,0xfe,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8,
0xf7,0xf6,0xf5,0xf4,0xf3,0xf2,0xf1,0xf0,
0xef,0xee,0xed,0xec,0xeb,0xea,0xe9,0xe8,
0xe7,0xe6,0xe5,0xe4,0xe3,0xe2,0xe1,0xe0,
0xdf,0xde,0xdd,0xdc,0xdb,0xda,0xd9,0xd8,
0xd7,0xd6,0xd5,0xd4,0xd3,0xd2,0xd1,0xd0,
0xcf,0xce,0xcd,0xcc,0xcb,0xca,0xc9,0xc8,
0xc7,0xc6,0xc5,0xc4,0xc3,0xc2,0xc1,0xc0,
0xbf,0xbe,0xbd,0xbc,0xbb,0xba,0xb9,0xb8,
0xb7,0xb6,0xb5,0xb4,0xb3,0xb2,0xb1,0xb0,
0xaf,0xae,0xad,0xac,0xab,0xaa,0xa9,0xa8,
0xa7,0xa6,0xa5,0xa4,0xa3,0xa2,0xa1,0xa0,
0x9f,0x9e,0x9d,0x9c,0x9b,0x9a,0x99,0x98,
0x97,0x96,0x95,0x94,0x93,0x92,0x91,0x90,
0x8f,0x8e,0x8d,0x8c,0x8b,0x8a,0x89,0x88,
0x87,0x86,0x85,0x84,0x83,0x82,0x81,0x80,
0x7f,0x7e,0x7d,0x7c

,0x7b,0x7a,0x79,0x78,
0x77,0x76,0x75,0x74,0x73,0x72,0x71,0x70,
0x6f,0x6e,0x6d,0x6c,0x6b,0x6a,0x69,0x68,
0x67,0x66,0x65,0x64,0x63,0x62,0x61,0x60,
0x5f,0x5e,0x5d,0x5c,0x5b,0x5a,0x59,0x58,
0x57,0x56,0x55,0x54,0x53,0x52,0x51,0x50,
0x4f,0x4e,0x4d,0x4c,0x4b,0x4a,0x49,0x48,
0x47,0x46,0x45,0x44,0x43,0x42,0x41,0x40,
0x3f,0x3e,0x3d,0x3c,0x3b,0x3a,0x39,0x38,
0x37,0x36,0x35,0x34,0x33,0x32,0x31,0x30,
0x2f,0x2e,0x2d,0x2c,0x2b,0x2a,0x29,0x28,
0x27,0x26,0x25,0x24,0x23,0x22,0x21,0x20,
0x1f,0x1e,0x1d,0x1c,0x1b,0x1a,0x19,0x18,
0x17,0x16,0x15,0x14,0x13,0x12,0x11,0x10,
0x0f,0x0e,0x0d,0x0c,0x0b,0x0a,0x09,0x08,
0x07,0x06,0x05,0x04,0x03,0x02,0x01,0x00,
};
unsigned char i=0;
serial_port_one_initial();
serial_port_two_initial();
display_MCU_Start_Led();
send_UART_two(0x55);
send_UART_two(0xaa);
for(array_point=0;array_point<512;array_point++)
{
send_UART_two(Test_array_one[array_point]);
}
send_UART_one(0x34);
send_UART_one(0xa7);
for(array_point=0;array_point<512;array_point++)
{
send_UART_one(Test_array_one[array_point]);
}
send_PWM();
while(1);
}

void serial_port_one_initial()
{
SCON=0x50;
//TMOD=0x21;
//TH1=RELOAD_COUNT;
//TL1=RELOAD_COUNT;
//TR1=1;
BRT=RELOAD_COUNT;
//BRTR=1,S1BRS=1,EXTRAM=1 ENABLE EXTRAM
AUXR=0x11;
ES=1;
EA=1;
}
void serial_port_two_initial()
{
//sfr SCON=0x98;
//sfr S2CON=0x9A;
//sfr S2BUF=0x9B;
//sfr IE2=0xAF;
S2CON=0x50;
BRT=RELOAD_COUNT;
//BRTR=1,S1BRS=1,EXTRAM=0 ENABLE EXTRAM
AUXR=0x11;
//ES=1;
IE2=0x01;
EA=1;
}
void send_UART_one(unsigned char i)
{
ES=0;
TI=0;
SBUF=i;
while(TI==0);
TI=0;
ES=1;
}
void send_UART_two(unsigned char i)
{
//sfr SCON=0X98;
//sfr S2CON=0X9A;
//sfr S2BUF=0X9B;
//sfr=IE2=0xAF;
unsigned char temp=0;
ES=0;
IE2=0x00

;
TI=0;
S2CON=S2CON&0xFD;
SBUF=i;
S2BUF=i;
while(TI==0);
do
{
temp=S2CON;
temp=temp&0x02;
}
while(temp==0);
//TI=0;
S2CON=S2CON&0XFD;
//ES=1;
//ES2=1;
IE2=0x01;
}
void UART_one_Interrupt_Receive(void)interrupt 4
{
unsigned char k=0;
if(RI==1)
{
RI=0;
k=SBUF;
if(k==Self_Define_ISP_Download_Command)
{
delay();
delay();
soft_reset_to_ISP_Monitor();
}
send_UART_one(k+1);
}
else
{
TI=0;
}
}
void UART_two_Interrupt_Receive(void) interrupt 8
{
//sfr SCON=0x98;
//sfr S2CON=0x9a;
//sfr S2BUF=0x9b;
//sfr IE2=0xAF;
unsigned char k=0;
k=S2CON;
k=k&0x01;
if(k==1)
{
// RI=0;
S2CON=S2CON&0xFE;
S2_Interrupt_Receive_Led=0;
k=S2BUF;
if(k==Self_Define_ISP_Download_Command)
{
delay();
delay();
soft_reset_to_ISP_Monitor();
}
send_UART_two(k+1);
}
else
{
//TI=0;
S2CON=S2CON&0xFD;
}
}
void soft_reset_to_ISP_Monitor(void)
{
IAP_CONTR=0x60;
}
void delay(void)
{
unsigned int j=0;
unsigned int g=0;
for(j=0;j<5;j++)
{
for(g=0;g<60000;g++)
{
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
}
}
}
void display_MCU_Start_Led(void)
{
//sbit MCU_Start_Led=P1^7;
unsigned char i=0;
for(i=0;i<1;i++)
{
MCU_Start_Led=0;
delay();
MCU_Start_Led=1;
delay();
MCU_Start_Led=0;
}
}
void send_PWM(void)
{
CMOD=0x00;
CL=0x00;
CH=0x00;
CCAP0L=0x80;
CCAP0H=0x80;
CCAPM0=0x42;
CR=1;
}