#ifndef SPIM_H
#define SPIM_H

#include "types.h"

#define SPI_MAX_BUFFER_SIZE 256

enum spim_clk_frequency_bps {
	K125 = 0x02000000,
	K250 = 0x04000000,
	K500 = 0x08000000,
	M1 = 0x10000000,
	M2 = 0x20000000,
	M4 = 0x40000000,
	M8 = 0x80000000,
};

enum spim_clk_phase {
	LEADING = 0,
	TRAILING = 1,
};

enum spim_clk_polarity {
	ACTIVE_HIGH = 0,
	ACTIVE_LOW = 1,
};

struct spim_setup_info {
	u8 sclk_pin;
	u8 miso_pin;
	u8 mosi_pin;
	u8 ss_pin;
	enum clk_frequency_bps clk_freqency;
	u8 rxd_len;
	u8 txd_len;
	enum spim_clk_phase clk_phase;
	enum spim_clk_polarity clk_polarity;
	u8 over_read_char;
};

u8 spim_setup(u8 spi_index, struct spim_setup_info setup_info);

void spim_send(u8 spi_index, u8 *write_buffer, u8 *read_buffer);

void spim_stop(u8 spi_index);

#endif