?? nand.h
字號:
#define MAX_NUM_NAND 1
// Select one chip and disable all the other chips!!
#define SELECT_NAND0 { PDDR &= ~0x01; PDDR |= 0x02; PDDR |= 0x04; PDDR |= 0x08; }
#define SELECT_NAND1 { PDDR |= 0x01; PDDR &= ~0x02; PDDR |= 0x04; PDDR |= 0x08; }
#define SELECT_NAND2 { PDDR |= 0x01; PDDR |= 0x02; PDDR &= ~0x04; PDDR |= 0x08; }
#define SELECT_NAND3 { PDDR |= 0x01; PDDR |= 0x02; PDDR |= 0x04; PDDR &= ~0x08; }
#define DESELECT_NAND { PDDR |= 0x0F; }
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