xmain.c

嵌入式开发ads下面lcd液 晶屏驱动。嵌入式开发ads下面lcd液晶屏驱动。晶屏驱动。

//====================================================================
// File Name : xmain.c
//====================================================================

#include <stdlib.h>
#include <string.h>

#include "def.h"
#include "option.h"
#include "2440addr.h"
#include "2440lib.h"
#include "mmu.h"

#if USE_MAIN
#include <stdio.h>
#endif

/**************** User test program header file ********************/
#include	"lcd.h"
#include	"Glib.h"
#include	"LCDlib.h"

void Isr_Init(void);
void HaltUndef(void);
void HaltSwi(void);
void HaltPabort(void);
void HaltDabort(void);

void Clk0_Enable(int clock_sel);	
void Clk1_Enable(int clock_sel);
void Clk0_Disable(void);
void Clk1_Disable(void);

extern void Calc_Clock(int print_msg);
extern U32 Mdiv, Pdiv, Sdiv, Fclk, Hclk, Pclk, Hdivn, Pdivn, Hclk_Ratio, Pclk_Ratio, Ref_Cnt;
extern void Test_16c554(void);
extern void Test_Lcd_carling(void);

extern void Test_Lcd_Tft_16Bit_800600(void);

void* function[][2]=
{
	(void *)Lcd_Test, "Lcd test        ",
	0,0
};

// Clock select argument.
#define	UCLK_SEL	(1)
#define	HCLK_SEL	(3)
#define	PCLK_SEL	(4)
#define	DCLK_SEL	(5)

// Hidden
#define	MPLL_SEL	(0)
#define	FCLK_SEL	(2)


/*********************************************************************************************************
** 函数名称: GpioSet
** 功能描述: 控制GPIO的输出类型
** 输　入: 	PortType		端口类型
**			PortBit			PORT中的具体位
**			PortState		GPIO的输出状态
** 输　出:TRUE  :成功
**        FALSE:失败
** 全局变量: 无
** 调用模块: 无
**
** 注意：
 
********************************************************************************************************/
U8 GpioSet(U8 PortType, U8 PortBit,U8 PortState)
{	
	switch(PortType)
	{
	case 'A':
		rGPADAT &= ~(1 << PortBit);
		rGPADAT |= (PortState << PortBit);
		break;	
	case 'B':		
		rGPBDAT &= ~(1 << PortBit);
		rGPBDAT |= (PortState << PortBit);
		break;
	case 'C':	
		rGPCDAT &= ~(1 << PortBit);
		rGPCDAT |= (PortState << PortBit);
		break;	
	case 'D':
		rGPDDAT &= ~(1 << PortBit);
		rGPDDAT |= (PortState << PortBit);
		break;
	case 'E':	
		rGPEDAT &= ~(1 << PortBit);
		rGPEDAT |= (PortState << PortBit);
		break;	
	case 'F':	
		rGPFDAT &= ~(1 << PortBit);
		rGPFDAT |= (PortState << PortBit);
		break;
	case 'G':	
		rGPGDAT &= ~(1 << PortBit);
		rGPGDAT |= (PortState << PortBit);
		break;	
	case 'H':
		rGPHDAT &= ~(1 << PortBit);
		rGPHDAT |= (PortState << PortBit);
		break;
	default:
		return 99;
		break;
	}
	return 1;
}

void xmain(void)
{
	int i, voltage=120;
	unsigned int mpll_val;

	// GPIO port init.
	Port_Init();	
	
	GpioSet('A', 12, 0);	//pull-down
	GpioSet('A', 12, 1);	//pull-up	


	GpioSet('A', 13, 0);	//pull-down
	GpioSet('A', 13, 1);	//pull-up	


	GpioSet('B', 6, 0);     //pull-down
	GpioSet('B', 6, 1);		//pull-up	


	GpioSet('B', 5, 0);     //pull-down
	GpioSet('B', 5, 1);		//pull-up	


	GpioSet('B', 8, 0);		//pull-up	
	GpioSet('B', 10, 1);	//pull-up

	// MMU init. I/D cache on.
	MMU_Init();

	// ISR init
	Isr_Init();				//中断服务程序初始化
	Uart_Init(0, 115200);
	Uart_Select(1);			//uart1
	Uart_TxEmpty(1);		//清空发送缓冲

	// timer setting for delay 100us unit.
	// Check whether or not the POWER_OFF wake-up.
	Delay(0);

    while(1){   	
	 Test_Lcd_carling();
	}
}


//===================================================================
void Isr_Init(void)
{
    pISR_UNDEF  = (unsigned)HaltUndef;
    pISR_SWI    = (unsigned)HaltSwi;
    pISR_PABORT = (unsigned)HaltPabort;
    pISR_DABORT = (unsigned)HaltDabort;
	
    rINTMOD     = 0x0;					//All=IRQ mode
//  rINTCON		= 0x5;					//Non-vectored,IRQ enable,FIQ disable    
    rINTMSK     = BIT_ALLMSK;			//All interrupt is masked.
    rINTSUBMSK  = BIT_SUB_ALLMSK;		//All sub-interrupt is masked. <- April 01, 2002 SOP

//  rINTSUBMSK  = ~(BIT_SUB_RXD0);		//Enable Rx0 Default value=0x7ff
//  rINTMSK     = ~(BIT_UART0);			//Enable UART0 Default value=0xffffffff    
	
//  pISR_UART0=(unsigned)RxInt;			//pISR_FIQ,pISR_IRQ must be initialized
}

//===================================================================
void HaltUndef(void)
{
    Uart_Printf("Undefined instruction exception.\n");
    while(1);
}

//===================================================================
void HaltSwi(void)
{
#if !SEMIHOSTING	
		Uart_Printf("SWI exception!!!\n");
		while(1);
#endif	
}

//===================================================================
void HaltPabort(void)
{
    Uart_Printf("Pabort exception.\n");
    while(1);
}

//===================================================================
void HaltDabort(void)
{
    Uart_Printf("Dabort exception.\n");
    while(1);
}

void Clk0_Enable(int clock_sel)	
{	
// 0:MPLLin, 1:UPLL, 2:FCLK, 3:HCLK, 4:PCLK, 5:DCLK0
	rMISCCR = rMISCCR&~(7<<4) | (clock_sel<<4);
	rGPHCON = rGPHCON&~(3<<18) | (2<<18);
}

void Clk1_Enable(int clock_sel)
{	
// 0:MPLLout, 1:UPLL, 2:RTC, 3:HCLK, 4:PCLK, 5:DCLK1	
	rMISCCR = rMISCCR&~(7<<8) | (clock_sel<<8);
	rGPHCON = rGPHCON&~(3<<20) | (2<<20);
}

void Clk0_Disable(void)
{
	rGPHCON = rGPHCON&~(3<<18);	// GPH9 Input
}

void Clk1_Disable(void)
{
	rGPHCON = rGPHCON&~(3<<20);	// GPH10 Input
}