w83977ef_keyboard.c

来自「瑞泰创新的GX-ARM9-2410EP教学实验系统的所有基础实验源代码,内容齐全」· C语言 代码 · 共 117 行

#include <string.h>
#include "2410addr.h"
#include "2410lib.h"
#include "def.h"
#include "w83977af.h"
#include "w83977ef_keyboard.h"
#include "code.h"


static unsigned int efbase = W977_EFIO_BASE;
static unsigned int efio = W977_EFIO_BASE;
static unsigned int iobase[] = { 0x180, 0x280, 0x380, ~0 };
static unsigned int KBC_SEC_ADDR = 0x384;

static unsigned flag = 0;



	


unsigned int getkey(unsigned int make)
{
	int i;
	for(i=0; i<(sizeof(_table)/sizeof(_table[0])); i++)
	{
		if(_table[i].make == make)
			return _table[i].key;
	}
	return 0;
}

int w83977ef_KBC_init(void)
{
		
		int version;
		int i=2;
		unsigned int readchar;
		
	    Delay(0);
		
		
		Uart_Printf("\n+++++++++++++++++++++++++++++++++++++++++++++++\n");
		
		w977_efm_enter(efbase);
  
		readchar = w977_read_reg(0x20 ,efbase);
	    Uart_Printf("Addr: %x, reg: %x, data: %x\n",efbase,0x20,readchar);	
		readchar = w977_read_reg(0x21 ,efbase);
	    Uart_Printf("Addr: %x, reg: %x, data: %x\n",efbase,0x21,readchar);	
		
		w977_select_device(W977_DEVICE_KBC , efbase);
		
		w977_write_reg(0x30, 0x01, efbase);
 		
 		
 		w977_efm_exit(efbase);
 		
 		outb(0xAA, W977_BASE + 0x64);
 		Delay(100);
		Uart_Printf(" result of KBC init is %x\n ", inb(W977_BASE + 0x60));
		Uart_Printf(" Data in status reg is %x\n ", inb(W977_BASE + 0x64));
		Uart_Printf(" -----------------------------------------------\n ");
		
		
		outb(0xAB, W977_BASE + 0x64);
 		Delay(100);
		Uart_Printf(" KBC init port test is %x\n ", inb(W977_BASE + 0x60));
		Uart_Printf(" Data in status reg is %x\n ", inb(W977_BASE + 0x64));
		Uart_Printf(" -----------------------------------------------\n ");
		
		
		
		outb(0xAE, W977_BASE + 0x64);
 		Delay(100);
		Uart_Printf(" KBC init enable is %x\n ", inb(W977_BASE + 0x60));
		Uart_Printf(" Data in status reg is %x\n ", inb(W977_BASE + 0x64));
		Uart_Printf(" -----------------------------------------------\n ");
		
		
		outb(0xFF, W977_BASE + 0x60);
 		Delay(100);
		Uart_Printf(" Result of reset is %x\n ", inb(W977_BASE + 0x60));
		Uart_Printf(" Data in status reg is %x\n ", inb(W977_BASE + 0x64));
		Uart_Printf(" -----------------------------------------------\n ");
		
		
		outb(0xF5, W977_BASE + 0x60);
 		Delay(100);
		Uart_Printf(" Result of stop scan is %x\n ", inb(W977_BASE + 0x60));
		Uart_Printf(" Data in status reg is %x\n ", inb(W977_BASE + 0x64));
		Uart_Printf(" -----------------------------------------------\n ");
		
		
		
	
		
		while (1)
		{ 

		while (inb(W977_BASE + 0x60) != 0xf0);
		
			Delay(100);
		//	Uart_Printf( "Data is %c \n",getkey(inb(W977_BASE + 0x60)));
			//Uart_Printf( "Data is %c \n",inb(W977_BASE + 0x60));
		 	Uart_Printf( "Data is %x \n",inb(W977_BASE + 0x60));
		Delay(100);
		}		

		
 		return 1;
 		
}