msp init improvements

hal/src/fsfw_hal/stm32h7/definitions.h

@@ -0,0 +1,25 @@
+#ifndef FSFW_HAL_STM32H7_DEFINITIONS_H_
+#define FSFW_HAL_STM32H7_DEFINITIONS_H_
+
+#include <utility>
+#include "stm32h7xx.h"
+
+namespace stm32h7 {
+
+/**
+ * Typedef for STM32 GPIO pair where the first entry is the port used (e.g. GPIOA)
+ * and the second entry is the pin number
+ */
+struct GpioCfg {
+    GpioCfg(): port(nullptr), pin(0), altFnc(0) {};
+
+    GpioCfg(GPIO_TypeDef* port, uint16_t pin, uint8_t altFnc = 0):
+        port(port), pin(pin), altFnc(altFnc) {};
+    GPIO_TypeDef* port;
+    uint16_t pin;
+    uint8_t altFnc;
+};
+
+}
+
+#endif /* #ifndef FSFW_HAL_STM32H7_DEFINITIONS_H_ */