SPI1/2 works

F1:F103/BISS_C_encoders/spi.h

@@ -0,0 +1,22 @@
+
+#pragma once
+#include <stdint.h>
+
+#define AMOUNT_OF_SPI   (2)
+
+#define ENCODER_BUFSZ   (8)
+
+typedef enum{
+    SPI_NOTREADY,
+    SPI_READY,
+    SPI_BUSY
+} spiStatus;
+
+extern spiStatus spi_status[AMOUNT_OF_SPI+1];
+
+void spi_onoff(uint8_t idx, uint8_t on);
+void spi_deinit(uint8_t idx);
+void spi_setup(uint8_t idx);
+int spi_waitbsy(uint8_t idx);
+int spi_start_enc(int encodernum);
+int spi_read_enc(uint8_t encno, uint8_t buf[8]);