main.c

display port接受芯片ANX9813的驱动代码。MCU使用LPC936FDH,内部包含AN9813寄存器设置

//  *******************************************

//  *******************************************

#include <stdio.h>
#include <string.h>
#include "i2c_intf.h"
#include "uart_int.h"
#include "mcu.h"
#include "timer.h"
#include "DP_RX_DRV.h"
#include "DP_RX_API.h"



#define DEF_DEBUG_MODE 0

char argc;
char *argv[3];
bit debug_mode;
bit enable_information;
bit port_sel;


void decode_term_str(void);
int hex_to_int(char *s);
void proc_term_cmd();
extern uchar CommandProcess ();
uchar debug_comm_tx();
 
void serial_isr(void) interrupt 4
{
   UART_ISR(); _NOP_;
}

void timer1_isr(void) interrupt 1
{
    timer_isr(); _NOP_;
}


uchar debug_comm_init()
{
	 DP_RX_WriteI2C_RX0(0,0xff);
	 DP_RX_WriteI2C_RX0(1,0xff);
	 DP_RX_WriteI2C_RX0(2,0xff);
	 DP_RX_WriteI2C_RX0(3,0xff);
	 DP_RX_WriteI2C_RX0(4,0xff);
	 DP_RX_WriteI2C_RX0(5,0xff);
}
uchar debug_comm_tx()
{
	command_buf[0]=0x2a;
	command_buf[1]=0x52;
	command_buf[2]=0x50;
	command_buf[3]=0x00;
	command_buf[4]=0x08;
	command_buf[5]=0x0d;
	sendRQ=1;
}



void main ()
{
	uchar temp[16]="DPRX_BOCOM_V1_0";
    enable_debug_output = 1;  // 1 enable debug information
    debug_mode = DEF_DEBUG_MODE;     // 1   debug on , 0 debug off
    enable_information = 1;
    InitMCU ();
 	

  	SendToPCSomeByte(temp,15,1);
        // debug_printf("DP_RX MCU FirmWare version: %.2f \n",DP_Rx_FW_VER);
         DP_RX_API_Chip_Located();

         DP_RX_API_InitSys();
		 //debug_comm_init();
 while(0)
   	{
   	LED = 0;
	delay_ms(500);
	LED = 1;
	delay_ms(500);
   	}
   //set 2 lane, bandwidth 2.7G, single LVDS output, 8Bit output 
        DP_RX_API_Set_LaneCount(2);
        B_puts("2 lanes selected");
   
         DP_RX_API_Set_BandWidth(0x0a);
        B_puts("2.7G selected");
   
        DP_RX_API_Set_LVDS_Dual_Single(SINGLE_LVDS);
        B_puts("Single LVDS selected");
   
	DP_RX_API_Set_LVDS_Format(VESA_8bit);
        B_puts("VESA 8 bit selected");

        DP_RX_API_LVDS_Output_Mapping(5, 0);
        DP_RX_API_LVDS_Output_Mapping(4, 1);
        DP_RX_API_LVDS_Output_Mapping(3, 3);
        DP_RX_API_LVDS_Output_Mapping(2, 2);
        DP_RX_API_LVDS_Output_Mapping(1, 4);
        DP_RX_API_LVDS_Output_Mapping(0, 5);
        B_puts("Single LVDS output mapping");

 // test = 'a';
    while (1)
    {
        if(!debug_mode)
            DP_RX_API_MainTask();
		//	debug_comm_tx();
        CommandProcess ();
//
	//  BP_DIR = 1;
	//	       putchar(test);
		//	BP_DIR = 0;
	 //lllll,
	 LED=~LED;
#if !Disable_interrupt
        EX1 = 1;
#endif
        delay_ms(3000);
    }

}





void decode_term_str(void)
{
    char *s, *s1;
    char space;

    s = command_buf;
    s1 = s;
    argc = 0;
    if (*s) {
        space = 0;
        argv[argc++] = s;
        while (*s) {
            if (*s == ' ') {
                *s = 0;
                if (!space) {
                    space = 1;
                }
            } else {
                    if (space)
                        argv[argc++] = s;
                   space = 0;
            }
            s++;
        }
    }
    
}

int hex_to_int(char *s)
{
    int r;
    
    r = 0;
    while (*s) {
        if (*s >= '0' && *s <= '9')
            r = (r << 4) + *s - '0';
        if (*s >= 'a' && *s <= 'f')
            r = (r << 4) + *s - 'a' + 10;
        if (*s >= 'A' && *s <= 'F')
            r = (r << 4) + *s - 'A' + 10;
        s++;
    }
    return r;
}





uchar CommandProcess() 
{
	uchar temp;
	uchar i;
	uchar sendbuf[20];
	if (sendRQ)					
	{
		sendRQ=0;	
	   	if(command_buf[1]==0x52)
		{
			for(i=0;i<20;i++)
			{
				sendbuf[i] =0x0d;
			}
			for(i=0;i<5;i++)
			{
				sendbuf[i] = command_buf[i];
			}
			if(command_buf[2]==0x50)
			{
				for(i=0;i<command_buf[4];i++)
				{
					
					DP_RX_ReadI2C_RX0(command_buf[3]+i,&sendbuf[i+5]);	
				}
			}
			else if(command_buf[2]==0x8c)
			{
				for(i=0;i<command_buf[4];i++)
				{
					
					DP_RX_ReadI2C_RX1(command_buf[3]+i,&sendbuf[i+5]);
				}
			}
		
			else
			{
				return 0;
			}
			SendToPCSomeByte(sendbuf,command_buf[4]+6,0);  //不需要回车
		}
		else if(command_buf[1]==0x57)
		{
			if(command_buf[2]==0x50)
			{
				DP_RX_WriteI2C_RX0(command_buf[3],command_buf[4]);
			}
			else if(command_buf[2]==0x8c)
			{
				DP_RX_WriteI2C_RX1(command_buf[3],command_buf[4]);
			}
				
		}
	}
}
/* process terminal command */
 /*
void proc_term_cmd()
{
    unsigned char c, c1;
    unsigned char i;
    
    if (argc == 0)
        return;

    if ((!strcmp(argv[0], "rp0") == 1) ||(!strcmp(argv[0], "RP0") == 1)) {
        c = DP_RX_ReadI2C_RX0(hex_to_int(argv[1]), &c1);
        debug_printf("rp0: %.2x, [%s]=%.2x\n", (unsigned int)c, argv[1], (unsigned int)c1);
    } 
    else if(!strcmp(argv[0],"show") )
        DP_RX_Show_Vid_Info();
    else if ((!strcmp(argv[0], "rp1") == 1) ||(!strcmp(argv[0], "RP1") == 1)) {
        c = DP_RX_ReadI2C_RX1(hex_to_int(argv[1]), &c1);
        debug_printf("rp1: %.2x, [%s]=%.2x\n", (unsigned int)c, argv[1], (unsigned int)c1);
    } 

    else if ((!strcmp(argv[0], "wp0") == 1) ||(!strcmp(argv[0], "WP0") == 1)) {
        c = DP_RX_WriteI2C_RX0(hex_to_int(argv[1]), hex_to_int(argv[2]));
        debug_printf("wp0: %.2x, [%s]=%s\n", (unsigned int)c, argv[1], argv[2]);
    } 

    else if ((!strcmp(argv[0], "wp1") == 1) ||(!strcmp(argv[0], "WP1") == 1)) {
        c = DP_RX_WriteI2C_RX1(hex_to_int(argv[1]), hex_to_int(argv[2]));
        debug_printf("wp1: %.2x, [%s]=%s\n", (unsigned int)c, argv[1], argv[2]);
    } 
    else if ((!strcmp(argv[0], "HPD")==1)||(!strcmp(argv[0], "hpd")==1))  {
        DP_RX_HPD(0);
        delay_ms(hex_to_int(argv[1]));
        DP_RX_HPD(1);
    }
    else if ((!strcmp(argv[0], "IRQ")==1)||(!strcmp(argv[0], "irq")==1))  {
        DP_RX_HPD(0);
        delay_half_ms();
        DP_RX_HPD(1);
    }
    
    else if (!strcmp(argv[0],"rp0all") ){
       debug_printf("            0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F");
	for(i=0;i<128;i++) 
	{
	    DP_RX_ReadI2C_RX0(i,&c1);
            if((i&0x0f)==0)
                debug_printf("\n rp0: [%.2x]  %.2x  ", (unsigned int)i, (unsigned int)c1);
            else 
                debug_printf("%.2x  ", (unsigned int)c1);
               if((i&0x0f)==0x0f)
                    debug_printf("\n-------------------------------------");
            }
            for(i=0;i<128;i++)
            { 
                DP_RX_ReadI2C_RX0(i+128,&c1);
                if((i&0x0f)==0)
                    debug_printf("\n rp0: [%.2x]  %.2x  ", (unsigned int)(i+128), (unsigned int)c1);
                else 
            	 debug_printf("%.2x  ", (unsigned int)c1);
                   if((i&0x0f)==0x0f)
                    debug_printf("\n-------------------------------------");
             }
	debug_printf("\n");
    }
    else if (!strcmp(argv[0], "rp1all"))
    {
       debug_printf("            0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F");
	for(i=0;i<128;i++) 
	{
	    DP_RX_ReadI2C_RX1(i,&c1);
            if((i&0x0f)==0)
                debug_printf("\n rp1: [%.2x]  %.2x  ", (unsigned int)i, (unsigned int)c1);
            else 
                debug_printf("%.2x  ", (unsigned int)c1);
               if((i&0x0f)==0x0f)
                    debug_printf("\n-------------------------------------");
            }
            for(i=0;i<128;i++)
            { 
                DP_RX_ReadI2C_RX1(i+128,&c1);
                if((i&0x0f)==0)
                    debug_printf("\n rp1: [%.2x]  %.2x  ", (unsigned int)(i+128), (unsigned int)c1);
                else 
            	 debug_printf("%.2x  ", (unsigned int)c1);
                   if((i&0x0f)==0x0f)
                    debug_printf("\n-------------------------------------");
             }
	debug_printf("\n");
    }
    else if(!strcmp(argv[0], "debugon"))
        debug_mode = 1;
    else if(!strcmp(argv[0], "debugoff"))
        debug_mode = 0;
    else
        debug_printf("unknown command: %s\n", argv[0]);
}

void CommandProcess () 
{
    if (cmd_valid) 
    {
        cmd_valid = 0;
        process_cmd();
    }
    if (term_cmd_valid)
    {
        term_cmd_valid = 0;
        command_buf[command_buf_len] = 0;
        enable_debug_output = 1;
        decode_term_str();
        proc_term_cmd();
        enable_debug_output = enable_information;
    }
}
*/