alt_2_wire.h

来自「FPGA应用如sd卡控制」· C头文件 代码 · 共 25 行

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#ifndef _ALT_2_WIRE_H#define _ALT_2_WIRE_H#define ALTERA_AVALON_PIO_DIRECTION_INPUT  0#define ALTERA_AVALON_PIO_DIRECTION_OUTPUT 1typedef struct alt_two_wire{  alt_u32 scl_pio;  alt_u32 sda_pio;} alt_two_wire;void alt_2_wireInit(alt_two_wire* wires);void alt_2_wireSetDelay(int delay);void alt_2_wireStart();void alt_2_wireStop();int alt_2_wireSendByte(int byte);int alt_2_wireReadByte(int ackControl);enum { EXPECT_ACK, SEND_ACK, SEND_NACK };#endif

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