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#ifndef _HW_W5500_H_
#define _HW_W5500_H_
#include "hw/spi.h"
struct w5500 {
struct spi *spidev;
};
/**
* Initialize a WIZnet W5500 Ethernet and TCP/IP-offload chip.
*
* The W5500 has 2 channels of communication with the MCU:
*
* - An SPI-based RPC protocol:
* + mode: mode 0 or mode 3
* + bit-order: MSB-first
* + clock frequency: 33.3MHz - 80MHz
* - An interrupt pin that it pulls low when an event happens (to let
* the MCU know that it should do an SPI RPC "get" to see what
* happened.)
*/
#define w5500_init(self, name, spi, pin_intr) do { \
bi_decl(bi_1_pin_with_name(pin_intr, name" interrupt")); \
_w5500_init(self, spi, pin_intr); \
} while (0)
void _w5500_init(struct w5500 *self, struct spi* spi, uint pin_intr);
#endif /* _HW_W5500_H_ */
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