摘要: #define NFDATA_READ *(volatile unsigned char*)0x70200010字节读写#define NFDATA_READ *(volatile unsigned int*)0x70200010字读写读ID代码:int nand_read_id(void){ int id; NAND_CHIP_ENABLE(); set_val(NFCMMD, 0x90); set_val(NFADDR, 0x00); NAND_READY(); printf("id0 = %02x", NFDATA_READ); print... 阅读全文