Move STM32 related code to sta-stm32-core repo

include/sta/stm32/gpio_pin.hpp

@@ -0,0 +1,82 @@
+/**
+ * @file
+ * @brief Wrapper for STM32 GPIO pins.
+ */
+#ifndef STA_STM32_GPIO_PIN_HPP
+#define STA_STM32_GPIO_PIN_HPP
+
+/**
+ * @defgroup stm32GPIO GPIO
+ * @ingroup stm32
+ * @brief STM GPIO module.
+ */
+
+#ifdef DOXYGEN
+/**
+ * @def STA_STM32_GPIO_ENABLE
+ * @brief Enable module.
+ *
+ * @ingroup stm32BuildConfig
+ */
+#  define STA_STM32_GPIO_ENABLE
+#endif // DOXYGEN
+
+
+#include <sta/config.hpp>
+#ifdef STA_STM32_GPIO_ENABLE
+
+#include <sta/intf/gpio_pin.hpp>
+
+#include <sta/stm32/hal.hpp>
+
+
+namespace sta
+{
+	/**
+	 * @brief Container for STM GPIO Pin data.
+	 *
+	 * @ingroup stm32GPIO
+	 */
+	class STM32GpioPin : public GpioPin
+	{
+	public:
+		STM32GpioPin(GPIO_TypeDef * port, uint16_t pin);
+
+		void setState(GpioPinState state) override;
+
+		GPIO_TypeDef * getPort() const;
+		uint16_t getPin() const;
+		uint8_t getIndex() const;
+
+	private:
+		GPIO_TypeDef * port_;   /**< GPIO port */
+		uint16_t pin_;          /**< GPIO pin */
+	};
+
+
+	/**
+	 * @brief Interrupt trigger edge.
+	 */
+	enum class InterruptEdge
+	{
+		RISING,     /**< Rising edge */
+		FALLING,    /**< Falling edge */
+		BOTH        /**< Rising and falling edge */
+	};
+
+	bool isInterruptEdge(const STM32GpioPin & pin, InterruptEdge edge);
+} // namespace sta
+
+/**
+ * @brief Create STM32GpioPin object from pin label.
+ *
+ * @param label     Pin label
+ *
+ * @ingroup stm32GPIO
+ */
+#define STA_STM32_GPIO_PIN(label) sta::STM32GpioPin{label##_GPIO_Port, label##_Pin}
+
+
+#endif // STA_STM32_GPIO_ENABLE
+
+#endif // STA_STM32_GPIO_PIN_HPP