35void enc28j60_init(
const uint8_t *mac_addr);
37int enc28j60_send(
const uint8_t *data, uint16_t datalen);
39int enc28j60_read(uint8_t *buffer, uint16_t bufsize);
44void enc28j60_arch_spi_init(
void);
45uint8_t enc28j60_arch_spi_write(uint8_t data);
46uint8_t enc28j60_arch_spi_read(
void);
47void enc28j60_arch_spi_select(
void);
48void enc28j60_arch_spi_deselect(
void);