usb_device.c

三星ARM9 s3c2410 usb device开发

#include "def.h"
#include "2410addr.h"
#include "2410lib.h"
#include "uart.h"
#include "interrupt.h"
#include "USB_device_lib.h"
#include "USB_device_config.h"
#include "240_320TFT_LCD.h"




extern int isUsbdSetConfiguration;






static void __irq IsrUsbd(void)
{
    U8 usbdIntpnd, epIntpnd;
    U8 saveIndexReg = rINDEX_REG;
    ClearPending(BIT_USBD);	  

    usbdIntpnd = rUSB_INT_REG;
    epIntpnd = rEP_INT_REG;

    if(usbdIntpnd&SUSPEND_INT)
    	{   Uart_Puts("\nUSB SUSPEND_INT !\n");
    		rUSB_INT_REG=SUSPEND_INT;    	
    	}
    else if(usbdIntpnd&RESUME_INT)
    	{   Uart_Puts("\nUSB RESUME_INT !\n");
    		rUSB_INT_REG=RESUME_INT;    	
    	}
    else if(usbdIntpnd&RESET_INT)
    	{   Uart_Puts("\nUSB RESET_INT !\n");
    		ReconfigUsbd();
    		rUSB_INT_REG=RESET_INT;  //RESET_INT should be cleared after ResetUsbd().   	
    	}
    else if(epIntpnd&EP0_INT)
    	{  // Uart_Puts("\nUSB EP0_INT !\n"); 
    		Ep0Handler();
    		rEP_INT_REG=EP0_INT; 
    	}
    else if(epIntpnd&EP1_INT)
    	{   Uart_Puts("\nUSB EP1_INT !\n");
    		rEP_INT_REG=EP1_INT;  
    		//Ep1Handler();
    	}

    else if(epIntpnd&EP2_INT)
    	{   Uart_Puts("\nUSB EP2_INT !\n");
    		rEP_INT_REG=EP2_INT;  
    		//Ep2Handler();
    	}

    else if(epIntpnd&EP3_INT)
    	{   Uart_Puts("\nUSB EP3_INT !\n");
    		rEP_INT_REG=EP3_INT;
    		//Ep3Handler();
    	}
	
    else if(epIntpnd&EP4_INT)
    	{   Uart_Puts("\nUSB EP4_INT !\n");
    		rEP_INT_REG=EP4_INT;    		
    		//Ep4Handler();
    	}
    rINDEX_REG=saveIndexReg;
}





void Usb_Device_Main(void)
{	
	//U8 fun;
	rGPHCON = rGPHCON&~(0xf<<18)|(0x5<<18);
    //To enhance the USB signal quality.
    //CLKOUT 0,1=OUTPUT to reduce the power consumption.	
	rGPGCON &= 0xfff3ffff;	//GPG9 input
	
	UsbdInit(1);	
	
		
	Delay(1000);
	rGPGCON |= 0x00040000;	
	rGPGDAT |= 0x0200;		//GPG9 ouput 1


	pISR_USBD =(unsigned)IsrUsbd;
	ClearPending(BIT_USBD);
	EnableIrq(BIT_USBD);
	

				

}

void Usb_Device_free(void){
	DisableIrq(BIT_USBD);
	rGPGCON &= 0xfff3ffff;	//GPG9 input
}


void Mouse_Data_Sent(U32 address,U32 size){
   static U8 i=1;
   U8 saveIndexReg = rINDEX_REG;
   rINDEX_REG = 1;
   
   /* 试验程序 无用
   if(i==1){
     Uart_Puts("left key\n");
     MOUSE_STATE.KEY=2;
     MOUSE_STATE.X=0;
     MOUSE_STATE.Y=0;
     MOUSE_STATE.WHEEL=10;
    }
    else if(i==2){
     Uart_Puts("right \n");
     MOUSE_STATE.KEY=0;
     MOUSE_STATE.X=30;
     MOUSE_STATE.Y=0;
     MOUSE_STATE.WHEEL=3;
    }
    else if(i==3){
     Uart_Puts("down \n");
     MOUSE_STATE.KEY=0;
     MOUSE_STATE.X=0;
     MOUSE_STATE.Y=30;
     MOUSE_STATE.WHEEL=3;
    }
    else if(i==4){
     Uart_Puts("left \n");
     MOUSE_STATE.KEY=0;
     MOUSE_STATE.X=-30;
     MOUSE_STATE.Y=0;
     MOUSE_STATE.WHEEL=3;
    } 
    else if(i==5){
     Uart_Puts("up\n");
     MOUSE_STATE.KEY=0;
     MOUSE_STATE.X=0;
     MOUSE_STATE.Y=-30;
     MOUSE_STATE.WHEEL=3;
     i=1;
    }
    */
    
   //WrPktEp1((U8 *)&MOUSE_STATE,sizeof(MOUSE_STATE)); 
   WrPktEp1((U8 *)address,size); 
   rIN_CSR1_REG= rIN_CSR1_REG|1 ; 
   rINDEX_REG = saveIndexReg;
   i++;
}