Pinecil uart (#830)

* Creating uart debug handler

* Simpler get raw uV tip

* Update Setup.cpp

* Debug out working. Moved Logo

Need to update docs around logos before merging this in

* Add in current pwm level + fix signed int

* Update moving logo page for pinecil by 64k

* Update TipThermoModel.h

source/Core/BSP/Pine64/Debug.h

@@ -0,0 +1,22 @@
+/*
+ * Debug.h
+ *
+ *  Created on: 26 Jan. 2021
+ *      Author: Ralim
+ */
+
+#ifndef CORE_BSP_PINE64_DEBUG_H_
+#define CORE_BSP_PINE64_DEBUG_H_
+
+#include "BSP.h"
+#include "TipThermoModel.h"
+#include <stdio.h>
+#include <string.h>
+
+const unsigned int uartOutputBufferLength = 32;
+extern char        uartOutputBuffer[uartOutputBufferLength];
+extern "C" {
+
+void USART1_IRQHandler(void);
+}
+#endif /* CORE_BSP_PINE64_DEBUG_H_ */