【文件属性】：
文件名称：mini2440对nand flash的读写，以及读取ID
文件大小：4KB
文件格式：ZIP
更新时间：2017-08-18 11:25:23
nand flash的读写
/* low level nand write function */
int nand_write_ll(unsigned char *buf, unsigned long start_addr, int size)
{
int i, j,k;
if(buf == NULL)
{
return;
}
if ((start_addr & NAND_BLOCK_MASK) || (size & NAND_BLOCK_MASK)) {
return -1; /* invalid alignment */
}
NAND_CHIP_ENABLE;
for(i=0; i<(size/2048+1); i++) // fixed by xuj
{
/* READ0 */
NAND_DETECT_RB;
NFCMD = 0x80;
/* low level nand write ID function */
int nand_read_ID(void)
{
int k;
unsigned char id[5] = {0};
NAND_CHIP_ENABLE;
/* READ0 */
NFCMD = 0x90;
/* Write Address */
NFADDR = 0;
【文件预览】：
嵌入式1309黄学兰
----nand_write.c.bak(2KB)
----Read_ID.c.bak(1KB)
----nand_write.c(2KB)
----Read_ID.c(1KB)