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STM32ArduinoCompat/HardwareSPI.h

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+// ArduinoCompat/HardwareSPI.h
+// STM32 implementattion of Arduino compatible SPI class
+
+#ifndef _HardwareSPI_h
+#define _HardwareSPI_h
+
+#include <stdint.h>
+
+typedef enum SPIFrequency {
+    SPI_21_0MHZ      = 0, /**< 21 MHz */
+    SPI_10_5MHZ      = 1, /**< 10.5 MHz */
+    SPI_5_25MHZ      = 2, /**< 5.25 MHz */
+    SPI_2_625MHZ     = 3, /**< 2.625 MHz */
+    SPI_1_3125MHZ    = 4, /**< 1.3125 MHz */
+    SPI_656_25KHZ    = 5, /**< 656.25 KHz */
+    SPI_328_125KHZ   = 6, /**< 328.125 KHz */
+} SPIFrequency;
+
+#define SPI_MODE0 0x00
+#define SPI_MODE1 0x04
+#define SPI_MODE2 0x08
+#define SPI_MODE3 0x0C
+
+class HardwareSPI
+{
+public:
+    HardwareSPI(uint32_t spiPortNumber); // Only port SPI1 is currently supported
+    void begin(SPIFrequency frequency, uint32_t bitOrder, uint32_t mode);
+    void end(void);
+    uint8_t transfer(uint8_t data);
+
+private:
+    uint32_t _spiPortNumber; // Not used yet.
+};
+extern HardwareSPI SPI;
+
+
+#endif