第一次提交

Bsp/bsp_spi.h

@@ -0,0 +1,11 @@
+#ifndef _BSP_SPI_H
+#define _BSP_SPI_H
+#include "at32a423.h"
+
+#define SPI_SLAVE_CS_READ()   gpio_input_data_bit_read(GPIOA, GPIO_PINS_4)
+
+void spi1_init(uint8_t *buffer, uint16_t buffer_size);
+uint8_t spi_tx_rx_buffer(uint8_t *tx_buffer, uint8_t *rx_buffer, uint16_t buffer_len);
+
+#endif
+