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SD Card 的代码
at29c040_card.c
#include
#include
unsigned char time;
void int_t0(void) interrupt 1 {
time++;
}
unsigned char d; //rec data
bit rec(void) {
TH0=0;time=0;
while (!RI) {if (time>
ic_card_read_and_write.c
// SLE4442卡的底层操作程序
#include
#include
#include
typedef unsigned char uchar;
typedef unsigned int uint;
#define RMM_COMM 0x30 // 读主存命令字
#def
at29c040_card.c
#include
#include
unsigned char time;
void int_t0(void) interrupt 1 {
time++;
}
unsigned char d; //rec data
bit rec(void) {
TH0=0;time=0;
while (!RI) {if (time>