restored spi_hal

Author: TomSaw

src/modm/platform/spi/stm32/spi_hal.hpp.in

@@ -93,9 +93,28 @@ public:
 	 *				It is your responsibility to check if the register
 	 *				is empty!
 	 */
-	template<std::unsigned_integral T>
 	static void
-	write(T data);
+	write(uint16_t data);
+
+	/**
+	 * Write 8 Bit to the data register
+	 *
+	 * @warning 	This method does NOT do any sanity checks!!
+	 *				It is your responsibility to check if the register
+	 *				is empty!
+	 */
+	static void
+	write(uint8_t data);
+
+	/**
+	 * Returns the value of the data register
+	 *
+	 * @warning 	This method does NOT do any sanity checks!!
+	 *				It is your responsibility to check if the register
+	 *				contains something useful!
+	 */
+	static void
+	read(uint8_t &data);
 
 	/**
 	 * Returns the value of the data register
@@ -104,9 +123,8 @@ public:
 	 *				It is your responsibility to check if the register
 	 *				contains something useful!
 	 */
-	template<std::unsigned_integral T>
 	static void
-	read(T &data);
+	read(uint16_t &data);
 
 	static void
 	enableInterruptVector(bool enable, uint32_t priority);

src/modm/platform/spi/stm32/spi_hal_impl.hpp.in

@@ -127,24 +127,33 @@ modm::platform::SpiHal{{ id }}::isTransmitRegisterEmpty()
 	return static_cast<bool>(getInterruptFlags() & InterruptFlag::TxBufferEmpty);
 }
 
-// TODO treat data-size option
-template<std::unsigned_integral T>
 void inline
-modm::platform::SpiHal{{ id }}::write(T data)
+modm::platform::SpiHal{{ id }}::write(uint16_t data)
+{
+	SPI{{ id }}->DR = data;
+}
+
+void inline
+modm::platform::SpiHal{{ id }}::write(uint8_t data)
 {
 %% if "data-size" in features
-	*((__IO T *) &SPI{{ id}}->DR) = data;
+	*((__IO uint8_t *) &SPI{{ id}}->DR) = data;
 %% else
 	write(static_cast<uint16_t>(data));
 %% endif
 
 }
 
-template<std::unsigned_integral T>
 void inline
-modm::platform::SpiHal{{ id }}::read(T &data)
+modm::platform::SpiHal{{ id }}::read(uint8_t &data)
+{
+	data = static_cast<uint8_t>(SPI{{ id }}->DR);
+}
+
+void inline
+modm::platform::SpiHal{{ id }}::read(uint16_t &data)
 {
-	data = static_cast<T>(SPI{{ id }}->DR);
+	data = static_cast<uint16_t>(SPI{{ id }}->DR);
 }
 
 void inline