picomap/w6300/pio.h

#pragma once
#include <cstdint>

constexpr uint8_t PIN_INT              = 15;
constexpr uint8_t PIN_CS               = 16;
constexpr uint8_t PIO_SPI_SCK_PIN      = 17;
constexpr uint8_t PIO_SPI_DATA_IO0_PIN = 18;
constexpr uint8_t PIO_SPI_DATA_IO1_PIN = 19;
constexpr uint8_t PIO_SPI_DATA_IO2_PIN = 20;
constexpr uint8_t PIO_SPI_DATA_IO3_PIN = 21;
constexpr uint8_t PIN_RST              = 22;

constexpr uint16_t WIZNET_SPI_CLKDIV_MAJOR_DEFAULT = 2;
constexpr uint8_t  WIZNET_SPI_CLKDIV_MINOR_DEFAULT = 0;

void wizchip_pio_init();
void wizchip_pio_close();

void wizchip_pio_frame_start();
void wizchip_pio_frame_end();
void wizchip_pio_read(uint8_t opcode, uint16_t addr, uint8_t* buf, uint16_t len);
void wizchip_pio_write(uint8_t opcode, uint16_t addr, uint8_t* buf, uint16_t len);