io.c

来自「实现ez-usb fx2的 自定义请求功能」· C语言 代码 · 共 23 行

#include "fx2.h"
#include "fx2regs.h"
#include "io.h"

void IO_Init()
{
	PORTECFG &= ~WORK_LED;  
	PORTECFG &= ~CPLD_RST;  
	OEE |= WORK_LED;  
	OEE |= CPLD_RST;     
/////////////////////////////
	IOE &= ~CPLD_RST;         //CPLD reset
	IOE |= CPLD_RST;
	IOE &= ~WORK_LED;         //Word Led Light
}

void REG_Init()
{
	CPUCS = 0x10; //48Mhz
	CKCON = (CKCON&(~bmSTRETCH)) | 1; // Set stretch to 0 (after renumeration)	
}