nand1.h

来自「HID-Ukey底层源码实现（st72651芯片） windows上层驱动」· C头文件 代码 · 共 17 行

#define MAX_NUM_NAND	1

// Select one chip and disable all the other chips!!
#define SELECT_NAND0	{ PCDR &= ~0x40; PCDR |= 0x80; }	// Select 1st NAND Flash
//#define SELECT_NAND0 	{ PCDR &= ~0x80; PCDR |= 0x40; }	// Select 2nd NAND Flash

#define SELECT_NAND1	{ DESELECT_NAND; }
#define SELECT_NAND2	{ DESELECT_NAND; }
#define SELECT_NAND3	{ DESELECT_NAND; }

#define DESELECT_NAND { PCDR |= 0xC0; }

//================================
//#define SELECT_NAND0	{ PDDR &= ~0x10; }	// Select 1st NAND Flash-- PD4
//#define DESELECT_NAND { PDDR |= 0x10; }