Add HAL UART implementation

src/hal/uart.cpp

@@ -0,0 +1,32 @@
+#include <sta/hal/uart.hpp>
+
+#ifdef STA_HAL_UART_ENABLE
+
+
+namespace sta
+{
+	HalUART::HalUART(UART_HandleTypeDef * handle)
+		: handle_{handle}
+	{}
+
+
+	void HalUART::write(const uint8_t * buffer, size_t size)
+	{
+		HAL_UART_Transmit(handle_, const_cast<uint8_t *>(buffer), size, HAL_MAX_DELAY);
+	}
+} // namespace sta
+
+
+#ifdef STA_HAL_UART_DEBUG
+
+#include <usart.h>
+
+namespace sta
+{
+	HalUART DebugSerial(&STA_HAL_UART_DEBUG);
+} // namespace sta
+
+#endif // STA_HAL_UART_DEBUG
+
+
+#endif // STA_HAL_UART_ENABLE