Adding UART and UART + USB muxed CLI output.

- The UART out may be useful for Bluetooth keyboards at some point

Output/usbMuxUart/output_com.h

@@ -0,0 +1,76 @@
+/* Copyright (C) 2013-2014 by Jacob Alexander
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef __output_com_h
+#define __output_com_h
+
+// ----- Includes -----
+
+// Compiler Includes
+#include <stdint.h>
+
+// Local Includes
+#include <buildvars.h> // Defines USB Parameters, partially generated by CMake
+
+
+
+// ----- Defines -----
+
+// Indicator for other modules through USBKeys_MaxSize for how capable the USB module is when sending large number of keypresses
+#define USB_MAX_KEY_SEND 6
+
+
+
+// ----- Variables -----
+
+// Variables used to communciate to the output module
+// XXX Even if the output module is not USB, this is internally understood keymapping scheme
+extern                       uint8_t USBKeys_Modifiers;
+extern                       uint8_t USBKeys_Array[USB_MAX_KEY_SEND];
+extern                       uint8_t USBKeys_Sent;
+extern volatile              uint8_t USBKeys_LEDs;
+
+                static const uint8_t USBKeys_MaxSize = USB_MAX_KEY_SEND;
+extern volatile              uint8_t USBKeys_Protocol; // 0 - Boot Mode, 1 - NKRO Mode
+
+// Misc variables (XXX Some are only properly utilized using AVR)
+extern                       uint8_t USBKeys_Idle_Config;
+extern                       uint8_t USBKeys_Idle_Count;
+
+
+
+// ----- Functions -----
+
+void Output_setup();
+void Output_send();
+
+void Output_firmwareReload();
+void Output_softReset();
+
+// Relies on USB serial module
+unsigned int Output_availablechar();
+
+int Output_getchar();
+int Output_putchar( char c );
+int Output_putstr( char* str );
+
+#endif
+