main.c

S3C2410上RS485驱动源码,用ADS1.2编译工程,已测试通过.内附文档.

#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include "2410addr.h"
#include "def.h"
#include "INT.h"
#include "2410lib.h"
#include "UartLib.h"
#include "lcdlib.h"
#include "touch.h"

#define WIN_485_M		1
#define WIN_485_S		2

// 自定义命令
#define RED_LIGHT_OPEN			101
#define RED_LIGHT_CLOSE			102
#define GREEN_LIGHT_OPEN		103
#define GREEN_LIGHT_CLOSE		104
#define BLUE_LIGHT_OPEN			105
#define BLUE_LIGHT_CLOSE		106

typedef struct{
	U16 X;
	U16 Y;
	U16 W;
	U16 H;
	
	COLOR color;
	int mode;
	
	char  title[30];
	U16 status;
} BUTTON_SUB;

void WIN_485(void);
void SetBtn(BUTTON_SUB *Btn, U16 x, U16 y, U16 w, U16 h, char *title, U16 s);
void DrawBtn(BUTTON_SUB bBtn[30], int num);
void DrawGuage(int value);
void WIN_Master(void);
void WIN_Slave(void);
void __irq TouchPane_Choice(void);
void __irq TouchPane_485(void);
void __irq U485_LISR(void);
int FindBtnId(int x, int y,BUTTON_SUB bBtn[30],int num);
void CmdAnalyse(char Cmd);
void WriteCmdFor485(char Cmd);
void OnBtnInc(void);
void OnBtnDec(void);
void OnBtnRed(void);
void OnBtnGreen(void);
void OnBtnBlue(void);

int BtnMax;
BUTTON_SUB Btn[20];
int currentWin;
int g_GuageValue = 0;
volatile int Choice = 0;
int g_redLight = FALSE;
int g_greenLight = FALSE;
int g_blueLight = FALSE;

BUTTON_SUB Btn485[2];
BUTTON_SUB BtnSub485[5];

extern UART_PORT UartPort0;
UART_PORT *Port = &UartPort0;



int main()
{
	char Cmd = 0;
	
	ChangeClockDivider(1,1);            // 1:2:4
	ChangeMPllValue(0xa1,0x3,0x1);      // FCLK=202.8MHz
	Port_Init();
	__vInitHaltHandlers();
	
	LCD_Init();	
	ISRVector[31] = TouchPane_Choice;
	INT_ADC_Enable(TRUE);
	ReadAdjustData();
	Choice = 0;
	WIN_485();
	
	Port->comPort	= UART0;	// 目标串口
	Port->baudRate	= 9600;		// 波特率
	Port->dataBits	= 3;		// 8 bits per frame
	Port->stopBits	= 0;		// One stop bit per frame
	Port->parity	= 0;		// No parity
	Port->dataMode	= 0;		// UART runs in normal operation
	Port->communicationMode = 0;// ???
	Port->bufferSize = 1024;	// 接收缓冲大小
	InitUartPort(Port);
	ISRVector[28] = Receive_Uart0;
	
	rGPGCON &= 0xFF3FFFFF;
	rGPGCON |= 1<<22;
//	rGPGCON &= ~(1<<23);
    rGPGUP &= ~(1<<11);
//    rGPGDAT &= ~(1<<11);
	
	while(1)
	{
		
		switch(Choice)
		{
		case 1:
			{
				WIN_Master();
				g_GuageValue = 0;
				currentWin = WIN_485_M;
				//rGPGDAT |= (1<<11);
				goto $RUN;
			}break;
		case 2:
			{
				WIN_Slave();
				g_GuageValue = 0;
				currentWin = WIN_485_S;
				//rGPGDAT &= ~(1<<11);
				goto $RUN;
			}break;
		default:break;
		}
	}
	
$RUN:
	while(1)
	{
		Cmd = UartGetChar(Port);

		if(Cmd > 0)
		{
			CmdAnalyse(Cmd);
		}
	}
}

void __irq TouchPane_Choice(void)
{
	int XData, YData;
	int BtnID;
	
	INT_ADC_Enable(FALSE);
	tp_rewaite_int();
	
	XData = adc_x_position();
	YData = adc_y_position();	
	
	BtnID = FindBtnId(XData,YData,Btn,BtnMax);
	
	switch (BtnID)
	{
		
	case 0:
		{
			Choice = 1;
			ISRVector[31] = TouchPane_485;
			Delay(50);
		}break;
	case 1:
		{
			Choice = 2;
			ISRVector[31] = TouchPane_485;
			Delay(50);
		}break;
	default :
		{
			Delay(50);
		}
	}

	ClearInt();			// 清中断
	INT_ADC_Enable(TRUE);
}

void __irq TouchPane_485(void)
{
	int XData, YData;
	int BtnID;
	
	INT_ADC_Enable(FALSE);
	tp_rewaite_int();
	
	XData = adc_x_position();
	YData = adc_y_position();	
	
	BtnID = FindBtnId(XData,YData,Btn,BtnMax);
	
	switch (BtnID)
	{
		
	case 0:
		{
			OnBtnDec();
			Delay(50);
		}break;
	case 1:
		{
			OnBtnInc();
			Delay(50);
		}break;
	case 2:
		{
			OnBtnRed();
			Delay(50);
		}break;
	case 3:
		{
			OnBtnGreen();
			Delay(50);
		}break;
	case 4:
		{
			OnBtnBlue();
			Delay(50);
		}break;
	default :
		{
			Delay(50);
		}
	}

	ClearInt();			// 清中断
	INT_ADC_Enable(TRUE);
}

int FindBtnId(int x, int y,BUTTON_SUB bBtn[30],int num)
{
	int i;
	
	for(i = 0; i < num; i++)
	{
		if(x>=bBtn[i].X && x<=(bBtn[i].X+bBtn[i].W) && 
		   y>=(bBtn[i].Y) && y<=(bBtn[i].Y+bBtn[i].H) && (-1 != bBtn[i].status) )
		{
			fillreverserectangle (bBtn[i].X,bBtn[i].Y,bBtn[i].X+bBtn[i].W,bBtn[i].Y+bBtn[i].H);
			WaitForStylusUp();
			fillreverserectangle (bBtn[i].X,bBtn[i].Y,bBtn[i].X+bBtn[i].W,bBtn[i].Y+bBtn[i].H);
			return i;
		}
	}
	return 0xFF; 
}

void WriteCmdFor485(char Cmd)
{
	rGPGDAT |= (1<<11);		// 配置为发送
	UartPutChar(Cmd, Port);	// 发送数据
	rGPGDAT &= ~(1<<11);	// 配置为接收
}

void OnBtnInc(void)
{	
	g_GuageValue++;
	
	if (g_GuageValue > 30)
		g_GuageValue = 30;
	if (g_GuageValue < 0)
		g_GuageValue = 0;
	
	DrawGuage(g_GuageValue);
	WriteCmdFor485(g_GuageValue + 30);
	Rewriteletter((g_xMax-180)/2+5 ,g_yMax/2-70+23,"数值增加",1,0,RGB(255,0,0),RGB(255,255,255));
}

void OnBtnDec(void)
{
	g_GuageValue--;
	
	if (g_GuageValue > 30)
		g_GuageValue = 30;
	if (g_GuageValue < 0)
		g_GuageValue = 0;
	
	DrawGuage(g_GuageValue);
	WriteCmdFor485(g_GuageValue + 30);
	Rewriteletter((g_xMax-180)/2+5 ,g_yMax/2-70+23,"数值减小",1,0,RGB(255,0,0),RGB(255,255,255));
}

void OnBtnRed(void)
{
	if (g_redLight == TRUE)
	{
		g_redLight = FALSE;
		CmdAnalyse(RED_LIGHT_CLOSE);
		WriteCmdFor485(RED_LIGHT_CLOSE);
	}
	else
	{
		g_redLight = TRUE;
		CmdAnalyse(RED_LIGHT_OPEN);
		WriteCmdFor485(RED_LIGHT_OPEN);
	}
}

void OnBtnGreen(void)
{
	if (g_greenLight == TRUE)
	{
		g_greenLight = FALSE;
		CmdAnalyse(GREEN_LIGHT_CLOSE);
		WriteCmdFor485(GREEN_LIGHT_CLOSE);
	}
	else
	{
		g_greenLight = TRUE;