Add bootloader extension

include/icsneo/device/extensions/bootloader/communication/redbase.h

@@ -0,0 +1,66 @@
+#ifndef __BOOTLOADER_REDBASE_H_
+#define __BOOTLOADER_REDBASE_H_
+
+#ifdef __cplusplus
+
+#include "icsneo/device/extensions/bootloader/communication/communication.h"
+#include "icsneo/device/extensions/bootloader/communication/redpacketizer.h"
+
+#include <chrono>
+#include <cstdint>
+#include <vector>
+
+namespace icsneo {
+
+namespace Bootloader {
+
+/**
+ * Implementation shared by REDCommunication and REDCoreCommunication
+ *
+ * Requests are framed as:
+ *   uint8_t  REDPacketizer::Magic
+ *   uint16_t chip id (little-endian)
+ *   uint16_t length of the command byte, arguments and padding (little-endian)
+ *   uint8_t  command
+ *   uint8_t  arguments[]
+ *   uint8_t  optional PaddingByte, see sendCommandRaw()
+ */
+class REDCommunicationBase : public Communication {
+public:
+	REDCommunicationBase(icsneo::Device& dev, const ChipInfo& chip);
+	~REDCommunicationBase() {
+		// This must happen before the Packetizer is destroyed
+		device.com->resumeReads();
+	}
+
+	bool open() override;
+	bool close() override;
+	bool hasFinalizationStep() const override {
+		return false;
+	}
+	bool finalize() override {
+		return true;
+	}
+
+protected:
+	static constexpr uint8_t PaddingByte = 0x55;
+
+	Chip targetChip;
+
+	std::vector<REDPacketizer::RxFrame> lastData;
+	REDPacketizer rp;
+
+	bool handleData();
+	bool sendCommand(uint8_t cmd, std::chrono::seconds timeout, bool clearLastResponse = true) { return sendCommand(cmd, {}, timeout, clearLastResponse); }
+	bool sendCommand(uint8_t cmd, std::vector<uint8_t> args = {}, std::chrono::seconds timeout = std::chrono::seconds(1), bool clearLastResponse = true);
+	virtual bool sendCommandRaw(uint8_t cmd, std::vector<uint8_t> args = {});
+	bool waitForRx(std::chrono::milliseconds timeout);
+};
+
+} // namespace Bootloader
+
+} // namespace icsneo
+
+#endif // __cplusplus
+
+#endif // __BOOTLOADER_REDBASE_H_