Add interface2

interface2/firmware/include/interface.h

@@ -0,0 +1,60 @@
+// Copyright (c) 2020, Andrew Kay
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+#pragma once
+
+#include <cstdint>
+#include <cstddef>
+
+#include "coax.h"
+#include "indicators.h"
+
+#define COMMAND_RESET 0x01
+#define COMMAND_TRANSMIT_RECEIVE 0x06
+#define COMMAND_INFO 0xf0
+#define COMMAND_TEST 0xf1
+#define COMMAND_DFU 0xf2
+
+#define INFO_SUPPORTED_QUERIES 0x01
+#define INFO_HARDWARE_TYPE 0x02
+#define INFO_HARDWARE_REVISION 0x03
+#define INFO_HARDWARE_SERIAL 0x04
+#define INFO_FIRMWARE_VERSION 0x05
+#define INFO_MESSAGE_BUFFER_SIZE 0x06
+#define INFO_FEATURES 0x07
+
+#define TEST_SUPPORTED_TESTS 0x01
+
+#define ERROR_INVALID_MESSAGE 1
+#define ERROR_UNKNOWN_COMMAND 2
+#define ERROR_MESSAGE_TIMEOUT 3
+
+class Interface
+{
+public:
+    Interface(Coax &coax, Indicators &indicators);
+
+    void handleMessage(uint8_t *buffer, size_t bufferCount);
+    void handleError(MessageReceiverError error);
+
+private:
+    Coax &_coax;
+    Indicators &_indicators;
+
+    void handleReset(uint8_t *buffer, size_t bufferCount);
+    void handleTransmitReceive(uint8_t *buffer, size_t bufferCount);
+    void handleInfo(uint8_t *buffer, size_t bufferCount);
+    void handleTest(uint8_t *buffer, size_t bufferCount);
+    void handleDFU(uint8_t *buffer, size_t bufferCount);
+};