usbdemo.c

在MDK下直接运行的一个USB例程

#include "datatype.h"
#include "console.h"
#include "ctrl_set.h"
#include "D12Def.h"

extern U32 MCLK;

TIME_STRUC SysTime;
U16	SERIAL_BAUD = 57600;
char table_begin[] = "/***************************************************************/\n";

void ShowSysClock(int argc, char *argv[])
{
  uart_printf("System is running @%dHz\n", MCLK);	
}

int main(int argc,char **argv)	;

int main(int argc,char **argv)
{
	int i;
		
	ChangePllValue(24, 6, 1);	//修改系统主频为2倍频
	PortInit();
	console_init(115200);	
	delay(0);

	delay(1000);

	
    uart_puts("System Initialized.\n");		
	
	if(UsbRdChipId()==0x1210)
	{
		uart_puts("Find Pdiusbd12, chip id = 0x1210");
		
		UsbInit();
		
		while(1)
		{
			i = UsbQueryInt();
			UsbIntProc(i);			
		}
	}
}