#ifndef __SPI_H
#define __SPI_H
#include <stdint.h>
#include <stm32f10x.h>
void spi_init();
void spi_uninit();
void spi_send(uint16_t data);
uint8_t spi_receive();
uint8_t spi_send_and_receive(GPIO_TypeDef *gpio_cs, uint16_t pin_cs, uint16_t data);
#endif