flash.c

来自「完整的原创单片机控制彩色液晶源代码（keil工程） 320x240液晶模块底层」· C语言 代码 · 共 30 行

#include <LPC213x.h>

#include "SPI.h"
#include "Flash.h"

//====================================================================================
void FlashIOInit(void)
{
	FLASH25_CS_1;
    FLASH25_CS_OUT;
}
//====================================================================================
unsigned char FlashRead(unsigned int addr,unsigned int n,unsigned char *p)
{
	unsigned int i=0;

	FLASH25_CS_0;
	MSPISendData(0x03);
	MSPISendData((addr >> 16) & 0xff);
	MSPISendData((addr >> 8)  & 0xff);
	MSPISendData( addr        & 0xff);
	for (i=0;i<n;i++)
	{
		*p = MSPISendData(0);
		p++;
	}
	FLASH25_CS_1;
	return *(p-n);
}