Device: Allow skipping of device state refreshing on call to open

bindings/python/icsneopy/bootloader/bootloader.cpp

@@ -1,6 +1,7 @@
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
 #include <pybind11/functional.h>
+#include <pybind11/native_enum.h>
 
 #include "icsneo/device/extensions/bootloader/api.h"
 #include "icsneo/device/extensions/bootloader/parser/fwloader.h"
@@ -19,16 +20,21 @@ void init_bootloader(pybind11::module_& m) {
 	pybind11::classh<Bootloader::FWLoader>(bootloader, "FWLoader")
 		.def_static("load", &Bootloader::FWLoader::Load, pybind11::arg("path"), pybind11::call_guard<pybind11::gil_scoped_release>());
 
+	pybind11::native_enum<Bootloader::StatusType>(bootloader, "StatusType", "enum.IntEnum")
+		.value("Progress", Bootloader::StatusType::Progress)
+		.value("Failed", Bootloader::StatusType::Failed)
+		.finalize();
+
 	bootloader.def_static("update",
-		[](Device& device, const Bootloader::FWRepo& fw, Bootloader::Logger logger, bool alreadyInBootloader, bool forceFlash) {
-			if(!logger) {
-				logger = [](Device::OpenStatusType, const std::string&, std::optional<double>) { return Device::OpenDirective::Continue; };
+		[](Device& device, const Bootloader::FWRepo& fw, Bootloader::StatusHandler statusHandler, bool alreadyInBootloader, bool forceFlash) {
+			if(!statusHandler) {
+				statusHandler = [](Bootloader::StatusType, const std::string&, std::optional<double>) {};
 			}
-			return Bootloader::update(device, fw, logger, alreadyInBootloader, forceFlash);
+			return Bootloader::update(device, fw, statusHandler, alreadyInBootloader, forceFlash);
 		},
 		pybind11::arg("device"),
 		pybind11::arg("fw"),
-		pybind11::arg("logger") = pybind11::none(),
+		pybind11::arg("statusHandler") = pybind11::none(),
 		pybind11::arg("already_in_bootloader") = false,
 		pybind11::arg("force_flash") = false,
 		pybind11::call_guard<pybind11::gil_scoped_release>());

bindings/python/icsneopy/device/device.cpp

@@ -15,19 +15,6 @@ namespace icsneo {
 void init_device(pybind11::module_& m) {
 	pybind11::classh<Device> device(m, "Device");
 
-	pybind11::native_enum<Device::OpenDirective>(device, "OpenDirective", "enum.IntEnum")
-		.value("Continue", Device::OpenDirective::Continue)
-		.value("Cancel", Device::OpenDirective::Cancel)
-		.value("Skip", Device::OpenDirective::Skip)
-		.finalize();
-
-	pybind11::native_enum<Device::OpenStatusType>(device, "OpenStatusType", "enum.IntEnum")
-		.value("QuestionContinueSkipCancel", Device::OpenStatusType::QuestionContinueSkipCancel)
-		.value("QuestionContinueCancel", Device::OpenStatusType::QuestionContinueCancel)
-		.value("Progress", Device::OpenStatusType::Progress)
-		.value("Failed", Device::OpenStatusType::Failed)
-		.finalize();
-
 	device
 		.def("__repr__", &Device::describe)
 		.def("add_message_callback", &Device::addMessageCallback, pybind11::call_guard<pybind11::gil_scoped_release>())

device/device.cpp

@@ -275,7 +275,7 @@ std::vector<VersionReport> Device::getChipVersions(bool refreshComponents) {
 	return chipVersions;
 }
 
-bool Device::open(OpenFlags flags, OpenStatusHandler handler) {
+bool Device::open(OpenFlags flags) {
 	if(!com) {
 		report(APIEvent::Type::Unknown, APIEvent::Severity::Error);
 		return false;
@@ -287,38 +287,31 @@ bool Device::open(OpenFlags flags, OpenStatusHandler handler) {
 
 	startHeartbeat();
 
+	if((flags & OpenFlags::SkipRefreshDeviceState) == 0) {
+		auto refreshErr = refreshDeviceState();
+		if(refreshErr != APIEvent::Type::NoErrorFound) {
+			com->close();
+			stopHeartbeat();
+			report(refreshErr, APIEvent::Severity::Error);
+			return false;
+		}
+	}
+
+	return true;
+}
+
+APIEvent::Type Device::refreshDeviceState() {
+	if(isOnline()) {
+		return APIEvent::Type::DeviceCurrentlyOnline;
+	}
+
+	if(!com || !com->isOpen()) {
+		return APIEvent::Type::Unknown;
+	}
 	APIEvent::Type attemptErr = attemptToBeginCommunication();
 	if(attemptErr != APIEvent::Type::NoErrorFound) {
-		// We could not communicate with the device, let's see if an extension can
-		bool tryAgain = false;
-		forEachExtension([&tryAgain, &flags, &handler](const std::shared_ptr<DeviceExtension>& ext) -> bool {
-			if(ext->onDeviceCommunicationDead(flags, handler))
-				tryAgain = true;
-			return true;
-		});
-
-		if(!tryAgain) {
-			com->close();
-			report(attemptErr, APIEvent::Severity::Error);
-			return false; // Extensions couldn't save us
+		return attemptErr;
 	}
-		attemptErr = attemptToBeginCommunication();
-		if(attemptErr != APIEvent::Type::NoErrorFound) {
-			com->close();
-			report(attemptErr, APIEvent::Severity::Error);
-			return false;
-		}
-	}
-
-	bool block = false;
-	forEachExtension([&block, &flags, &handler](const std::shared_ptr<DeviceExtension>& ext) {
-		if(ext->onDeviceOpen(flags, handler))
-			return true;
-		block = true;
-		return false;
-	});
-	if(block) // Extensions say no
-		return false;
 
 	refreshComponentVersions();
 	if(!settings->disabled) {
@@ -336,7 +329,7 @@ bool Device::open(OpenFlags flags, OpenStatusHandler handler) {
 	if(supportsLiveData())
 		clearAllLiveData();
 
-	return true;
+	return APIEvent::Type::NoErrorFound;
 }
 
 bool Device::reconnect(std::chrono::milliseconds timeout, std::chrono::milliseconds interval) {
@@ -412,7 +405,6 @@ APIEvent::Type Device::attemptToBeginCommunication() {
 	else
 		versions = std::move(*maybeVersions);
 
-	// Get component versions before the extension "onDeviceOpen" hooks so that we can properly check verisons
 	if(supportsComponentVersions()) {
 		if(auto compVersions = com->getComponentVersionsSync())
 			componentVersions = std::move(*compVersions);

device/extensions/bootloader/api.cpp

@@ -111,7 +111,7 @@ static bool runPipeline(
 	icsneo::Device& device,
 	const BootloaderPipeline& pipeline,
 	const FWRepo& fw,
-	const Logger& logger,
+	const StatusHandler& statusHandler,
 	bool alreadyInBootloader,
 	bool forceFlash
 ) {
@@ -167,7 +167,7 @@ static bool runPipeline(
 
 				auto com = getCommunication(device, flashPhase, info);
 				if(!withCommunication(com.get(), info, "FlashPhase", [&](Bootloader::Communication& opened) {
-					if(!opened.flash(fw, logger)) {
+					if(!opened.flash(fw, statusHandler)) {
 						Log::Error("FlashPhase", "failed to flash " + chipString(flashPhase.chip));
 						return false;
 					}
@@ -257,13 +257,13 @@ static bool runPipeline(
 			}
 		}
 	}
-	return exitBootloader(device, logger, !chipsFlashed.empty());
+	return exitBootloader(device, statusHandler, !chipsFlashed.empty());
 }
 
 bool Bootloader::update(
 	icsneo::Device& device,
 	const FWRepo& fw,
-	Logger logger,
+	StatusHandler statusHandler,
 	bool alreadyInBootloader,
 	bool forceFlash
 ) {
@@ -273,7 +273,7 @@ bool Bootloader::update(
 		return false;
 	}
 
-	if(!runPipeline(device, pipeline, fw, logger, alreadyInBootloader, forceFlash)) {
+	if(!runPipeline(device, pipeline, fw, statusHandler, alreadyInBootloader, forceFlash)) {
 		device.getEventHandler()(APIEvent::Type::FirmwareUpdateFailed, APIEvent::Severity::Error);
 		return false;
 	}
@@ -287,19 +287,19 @@ bool Bootloader::enterBootloader(icsneo::Device& device) {
 	return device.reconnect(std::chrono::milliseconds(30000));
 }
 
-bool Bootloader::exitBootloader(icsneo::Device& device, Logger logger, bool updatedChips) {
+bool Bootloader::exitBootloader(icsneo::Device& device, StatusHandler statusHandler, bool updatedChips) {
 	if(!updatedChips) {
 		return true;
 	}
-	logger(icsneo::Device::OpenStatusType::Progress, "Connecting to the device...", std::nullopt);
-	return verifyConnection(device, logger);
+	statusHandler(StatusType::Progress, "Connecting to the device...", std::nullopt);
+	return verifyConnection(device, statusHandler);
 }
 
 /**
  * Toggle network communication and wait up to 5 seconds for a reset status confirming the change.
  * Like icsneo::Device::goOnline(), a timeout is not an error.
  */
-static bool setCommunicationEnabled(icsneo::Device& device, const Logger& logger, bool enable, double progressStart) {
+static bool setCommunicationEnabled(icsneo::Device& device, const StatusHandler& statusHandler, bool enable, double progressStart) {
 	static constexpr std::chrono::seconds Timeout(5);
 	const auto filter = std::make_shared<MessageFilter>(Message::Type::ResetStatus);
 
@@ -329,16 +329,16 @@ static bool setCommunicationEnabled(icsneo::Device& device, const Logger& logger
 		}
 
 		// Each call covers half of the overall progress
-		logger(icsneo::Device::OpenStatusType::Progress, "Connecting to the device...", progressStart + (elapsedTime / Timeout) / 2.0);
+		statusHandler(StatusType::Progress, "Connecting to the device...", progressStart + (elapsedTime / Timeout) / 2.0);
 		elapsedTime = std::chrono::steady_clock::now() - startTime;
 	}
-	logger(icsneo::Device::OpenStatusType::Progress, "Connecting to the device...", progressStart + 0.5);
+	statusHandler(StatusType::Progress, "Connecting to the device...", progressStart + 0.5);
 	return true;
 }
 
-bool Bootloader::verifyConnection(icsneo::Device& device, Logger logger) {
+bool Bootloader::verifyConnection(icsneo::Device& device, StatusHandler statusHandler) {
 	// Firmware needs to confirm the update by verifying that it can enable/disable the connection on the device
-	return setCommunicationEnabled(device, logger, true, 0.0) && setCommunicationEnabled(device, logger, false, 0.5);
+	return setCommunicationEnabled(device, statusHandler, true, 0.0) && setCommunicationEnabled(device, statusHandler, false, 0.5);
 }
 
 bool Bootloader::isSFPChip(const icsneo::Bootloader::Chip& chip) {

device/extensions/bootloader/communication/application.cpp

@@ -38,7 +38,7 @@ bool Application::finalize() {
 	return ok;
 }
 
-bool Application::flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandler& handler) {
+bool Application::flash(const FWRepo& fw, const icsneo::Bootloader::StatusHandler& handler) {
 	Log::Info(__func__, "starting flash for " + targetChip.getName());
 	const auto& srcVer = fw.getVersion();
 
@@ -55,7 +55,7 @@ bool Application::flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandle
 	}
 
 	auto currentString = "Preparing to update " + targetChip.getName() + "...";
-	handler(icsneo::Device::OpenStatusType::Progress, currentString, std::nullopt);
+	handler(StatusType::Progress, currentString, std::nullopt);
 
 	// The supplied IEF is not for this product
 	if(ief.getVersion().prodId != static_cast<uint8_t>(device.getProductID())) {
@@ -132,10 +132,10 @@ bool Application::validateFirmware(const DeviceAppVersion& chipSrcVer) {
 	return sendCommand(Update::CheckComponentVersion, [](double) {}, 0, {chipSrcVer.major, chipSrcVer.minor});
 }
 
-bool Application::sendSoftware(const std::vector<uint8_t>& bin, const icsneo::Device::OpenStatusHandler& handler) {
+bool Application::sendSoftware(const std::vector<uint8_t>& bin, const icsneo::Bootloader::StatusHandler& handler) {
 	Log::Debug(__func__, "starting for " + targetChip.getName() + " (" + std::to_string(bin.size()) + " bytes)");
 	auto currentString = "Preparing to update " + targetChip.getName() + "...";
-	handler(icsneo::Device::OpenStatusType::Progress, currentString, std::nullopt);
+	handler(StatusType::Progress, currentString, std::nullopt);
 	if(bin.empty() || bin.size() > std::numeric_limits<uint32_t>::max()) {
 		Log::Error(__func__, "invalid firmware size for " + targetChip.getName());
 		return false;
@@ -144,14 +144,14 @@ bool Application::sendSoftware(const std::vector<uint8_t>& bin, const icsneo::De
 
 	Log::Debug(__func__, "erasing " + targetChip.getName());
 	if(!sendCommand(Update::Erase, 0, totalSize, [&](double progress) {
-		handler(icsneo::Device::OpenStatusType::Progress, currentString, progress);
+		handler(StatusType::Progress, currentString, progress);
 	}, std::chrono::milliseconds(45000))) {
 		Log::Error(__func__, "erase failed for " + targetChip.getName());
 		return false;
 	}
 
 	currentString = "Updating " + targetChip.getName() + "...";
-	handler(icsneo::Device::OpenStatusType::Progress, currentString, std::nullopt);
+	handler(StatusType::Progress, currentString, std::nullopt);
 
 	const uint32_t stepSize = std::min<uint32_t>(totalSize, 2048);
 	uint32_t bytesTransferred = 0;
@@ -163,7 +163,7 @@ bool Application::sendSoftware(const std::vector<uint8_t>& bin, const icsneo::De
 		}
 
 		bytesTransferred += bytesToSend;
-		handler(icsneo::Device::OpenStatusType::Progress, currentString, double(bytesTransferred) / totalSize);
+		handler(StatusType::Progress, currentString, double(bytesTransferred) / totalSize);
 	}
 	Log::Debug(__func__, "write complete, validating " + targetChip.getName());
 	if(!validateComponent()) {
@@ -174,7 +174,7 @@ bool Application::sendSoftware(const std::vector<uint8_t>& bin, const icsneo::De
 	return true;
 }
 
-bool Application::sendSoftware(const std::vector<IEF::Sector>& sectorPairs, uint32_t blockSize, const icsneo::Device::OpenStatusHandler& handler) {
+bool Application::sendSoftware(const std::vector<IEF::Sector>& sectorPairs, uint32_t blockSize, const icsneo::Bootloader::StatusHandler& handler) {
 	if(sectorPairs.empty()) {
 		Log::Error(__func__, "no sectors to flash for " + targetChip.getName());
 		return false;
@@ -182,7 +182,7 @@ bool Application::sendSoftware(const std::vector<IEF::Sector>& sectorPairs, uint
 
 	Log::Debug(__func__, "starting for " + targetChip.getName() + " (" + std::to_string(sectorPairs.size()) + " sectors)");
 	auto currentString = "Preparing to update " + targetChip.getName() + "...";
-	handler(icsneo::Device::OpenStatusType::Progress, currentString, std::nullopt);
+	handler(StatusType::Progress, currentString, std::nullopt);
 	uint64_t totalSize = 0;
 	for(const auto& sector : sectorPairs) {
 		totalSize += sector.second.size();
@@ -199,7 +199,7 @@ bool Application::sendSoftware(const std::vector<IEF::Sector>& sectorPairs, uint
 
 	Log::Debug(__func__, "erasing " + targetChip.getName() + " (" + std::to_string(totalSize) + " bytes)");
 	if(!sendCommand(Update::Erase, 0, static_cast<uint32_t>(totalSize), [&](double progress) {
-		handler(icsneo::Device::OpenStatusType::Progress, currentString, progress);
+		handler(StatusType::Progress, currentString, progress);
 	}, std::chrono::milliseconds(45000))) {
 		Log::Error(__func__, "erase failed for " + targetChip.getName());
 		return false;
@@ -212,7 +212,7 @@ bool Application::sendSoftware(const std::vector<IEF::Sector>& sectorPairs, uint
 	}
 
 	currentString = "Updating " + targetChip.getName() + "...";
-	handler(icsneo::Device::OpenStatusType::Progress, currentString, std::nullopt);
+	handler(StatusType::Progress, currentString, std::nullopt);
 
 	uint32_t bytesTransferred = 0;
 	for(const auto& pair : sectorPairs) {
@@ -233,7 +233,7 @@ bool Application::sendSoftware(const std::vector<IEF::Sector>& sectorPairs, uint
 		}
 
 		bytesTransferred += static_cast<uint32_t>(rawData.size());
-		handler(icsneo::Device::OpenStatusType::Progress, currentString, double(bytesTransferred) / double(totalSize));
+		handler(StatusType::Progress, currentString, double(bytesTransferred) / double(totalSize));
 	}
 	Log::Debug(__func__, "write complete, validating " + targetChip.getName());
 	bool ok = validateComponent();
@@ -264,7 +264,7 @@ bool Application::validateComponent() {
  * passes. Progress replies are OperationPending with a SoftwareUpdateCommandHeader whose
  * commandSizeOrProgress holds the progress so far, or a GenericReturn with no progress.
  */
-bool Application::sendCommand(Update command, uint32_t offset, uint32_t length, const StatusHandler& handler, std::chrono::milliseconds timeout, std::vector<uint8_t> args) {
+bool Application::sendCommand(Update command, uint32_t offset, uint32_t length, const CommandStatusHandler& handler, std::chrono::milliseconds timeout, std::vector<uint8_t> args) {
 	bool finishedResponse = false;
 	std::condition_variable finishedResponseCV;
 	std::mutex finishedResponseMutex;

device/extensions/bootloader/communication/radcommunication.cpp

@@ -323,8 +323,8 @@ bool RADCommunication::sendSoftware(const std::vector<uint8_t>& chipSoftware) {
 	size_t remainingBytes = chipSoftware.size();
 	size_t currentlyReading = 0;
 
-	logger(
-		icsneo::Device::OpenStatusType::Progress,
+	statusHandler(
+		StatusType::Progress,
 		"Flashing " + targetChip.getName() + "...",
 		std::nullopt
 	);
@@ -332,8 +332,8 @@ bool RADCommunication::sendSoftware(const std::vector<uint8_t>& chipSoftware) {
 	while(remainingBytes > 0) {
 		const double progress = static_cast<double>(currentlyReading) / static_cast<double>(chipSoftware.size());
 
-		logger(
-			icsneo::Device::OpenStatusType::Progress,
+		statusHandler(
+			StatusType::Progress,
 			"Flashing " + targetChip.getName() + "...",
 			progress
 		);
@@ -407,8 +407,8 @@ bool RADCommunication::sendSoftware(const std::vector<uint8_t>& chipSoftware) {
 		}
 	}
 
-	logger(
-		icsneo::Device::OpenStatusType::Progress,
+	statusHandler(
+		StatusType::Progress,
 		"Flashing " + targetChip.getName() + "...",
 		1.0
 	);
@@ -431,8 +431,8 @@ bool RADCommunication::getProgrammingStatus(size_t sizeToValidate) {
 	uint32_t status = 0;
 	const auto beginTime = std::chrono::steady_clock::now();
 
-	logger(
-		icsneo::Device::OpenStatusType::Progress,
+	statusHandler(
+		StatusType::Progress,
 		"Programming " + targetChip.getName() + "...",
 		std::nullopt
 	);
@@ -440,8 +440,8 @@ bool RADCommunication::getProgrammingStatus(size_t sizeToValidate) {
 	while(status < static_cast<uint32_t>(sizeToValidate)) {
 		const double progress = static_cast<double>(status) / static_cast<double>(sizeToValidate);
 
-		logger(
-			icsneo::Device::OpenStatusType::Progress,
+		statusHandler(
+			StatusType::Progress,
 			"Programming " + targetChip.getName() + "...",
 			progress
 		);
@@ -457,8 +457,8 @@ bool RADCommunication::getProgrammingStatus(size_t sizeToValidate) {
 		}
 	}
 
-	logger(
-		icsneo::Device::OpenStatusType::Progress,
+	statusHandler(
+		StatusType::Progress,
 		"Programming " + targetChip.getName() + "...",
 		1.0
 	);
@@ -510,7 +510,7 @@ bool RADCommunication::loadZips(const FWRepo& fw, std::vector<uint8_t>& chipSoft
 	return false;
 }
 
-bool RADCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandler& handler) {
+bool RADCommunication::flash(const FWRepo& fw, const icsneo::Bootloader::StatusHandler& handler) {
 	Log::Info(__func__, "starting flash for " + targetChip.getName());
 	auto chipSrcVer = fw.getChipVersion(targetChip.getIEFName());
 	if(!chipSrcVer) {
@@ -524,7 +524,7 @@ bool RADCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenStatusH
 		return false;
 	}
 
-	logger = handler;
+	statusHandler = handler;
 	if(!validateChipVersion(*chipSrcVer)) {
 		Log::Error(__func__, "validateChipVersion failed for " + targetChip.getName());
 		return false;

device/extensions/bootloader/communication/radmultichipcommunication.cpp

@@ -41,7 +41,7 @@ bool RADMultiChipCommunication::authenticate() {
 	return true;
 }
 
-bool RADMultiChipCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandler& handler) {
+bool RADMultiChipCommunication::flash(const FWRepo& fw, const icsneo::Bootloader::StatusHandler& handler) {
 	Log::Info(__func__, "starting flash for " + targetChip.getName());
 	auto chipSrcVer = fw.getChipVersion(targetChip.getIEFName());
 	if(!chipSrcVer) {
@@ -56,7 +56,7 @@ bool RADMultiChipCommunication::flash(const FWRepo& fw, const icsneo::Device::Op
 
 	if(!standardComm->validateFirmware(*chipSrcVer)) {
 		Log::Error(__func__, "firmware validation failed for " + targetChip.getName());
-		handler(icsneo::Device::OpenStatusType::Failed, "Failed to validate firmware", std::nullopt);
+		handler(StatusType::Failed, "Failed to validate firmware", std::nullopt);
 		return false;
 	}
 
@@ -103,7 +103,7 @@ bool RADMultiChipCommunication::flash(const FWRepo& fw, const icsneo::Device::Op
 		return false;
 	}
 	Log::Debug(__func__, "finalize successful, proceeding to reboot");
-	handler(icsneo::Device::OpenStatusType::Progress, "Rebooting device...", std::nullopt);
+	handler(StatusType::Progress, "Rebooting device...", std::nullopt);
 	return true;
 }
 

device/extensions/bootloader/communication/radperiphcommunication.cpp

@@ -180,7 +180,7 @@ bool RADPeriphCommunication::flashSector(const IEF::Sector& sector) {
 	return sendRequest(Request::FlashSector, std::move(args), std::chrono::milliseconds(3000));
 }
 
-bool RADPeriphCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandler& handler) {
+bool RADPeriphCommunication::flash(const FWRepo& fw, const icsneo::Bootloader::StatusHandler& handler) {
 	// Validate the firmware before touching the device so a bad file can not leave it erased
 	std::vector<uint8_t> bin;
 	if(!fw.getFW(targetChip.getIEFName(), bin)) {
@@ -228,7 +228,7 @@ bool RADPeriphCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenS
 	}
 
 	handler(
-		icsneo::Device::OpenStatusType::Progress,
+		StatusType::Progress,
 		"Flashing " + targetChip.getName() + "...",
 		std::nullopt
 	);
@@ -242,7 +242,7 @@ bool RADPeriphCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenS
 
 		sizeFlashed += static_cast<uint32_t>(sector.second.size());
 		handler(
-			icsneo::Device::OpenStatusType::Progress,
+			StatusType::Progress,
 			"Flashing " + targetChip.getName() + "...",
 			(double)sizeFlashed / (double)totalSize
 		);

device/extensions/bootloader/communication/red.cpp

@@ -113,7 +113,7 @@ bool REDCommunication::getVersion() {
 	return true;
 }
 
-bool REDCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandler& handler) {
+bool REDCommunication::flash(const FWRepo& fw, const icsneo::Bootloader::StatusHandler& handler) {
 	const auto& srcVer = fw.getVersion();
 
 	std::vector<uint8_t> bin;
@@ -152,7 +152,7 @@ bool REDCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenStatusH
 		}
 	}
 
-	handler(icsneo::Device::OpenStatusType::Progress,
+	handler(StatusType::Progress,
 		"Preparing to update " + targetChip.getName() + "...", std::nullopt);
 	Log::Debug(__func__, "Erasing " + targetChip.getName());
 	if(!sendCommand(uint8_t(Command::Erase), std::chrono::seconds(45))) {
@@ -164,7 +164,7 @@ bool REDCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenStatusH
 	size_t sectorsFlashed = 0;
 	for(const auto& [id, sector] : sectorPairs) {
 		Log::Trace(__func__, "Flashing sector " + std::to_string(id));
-		handler(icsneo::Device::OpenStatusType::Progress,
+		handler(StatusType::Progress,
 			"Updating " + targetChip.getName() + "...",
 			double(sectorsFlashed++) / sectorPairs.size());
 
@@ -205,11 +205,11 @@ bool REDCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenStatusH
 	}
 
 	// Tell the application that we flashed 100%
-	handler(icsneo::Device::OpenStatusType::Progress,
+	handler(StatusType::Progress,
 		"Updating " + targetChip.getName() + "...",
 		1.0);
 
-	handler(icsneo::Device::OpenStatusType::Progress, "Finalizing update...", std::nullopt);
+	handler(StatusType::Progress, "Finalizing update...", std::nullopt);
 	if(!sendCommand(uint8_t(Command::ValidateFirmware))) {
 		Log::Error(__func__, "Firmware validation failed for " + targetChip.getName());
 		return false;

device/extensions/bootloader/communication/redcore.cpp

@@ -9,7 +9,7 @@ namespace icsneo {
 
 namespace Bootloader {
 
-bool REDCoreCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandler& handler) {
+bool REDCoreCommunication::flash(const FWRepo& fw, const icsneo::Bootloader::StatusHandler& handler) {
 	constexpr const size_t MaxSectorSize = 0x600;
 
 	std::vector<uint8_t> bin;
@@ -31,7 +31,7 @@ bool REDCoreCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenSta
 	std::vector<uint8_t> sector;
 	for(size_t i = 0; i < fileSize; i += MaxSectorSize) {
 		Log::Trace(__func__, "Sending sector " + std::to_string(sectorsFlashed));
-		handler(icsneo::Device::OpenStatusType::Progress, message, double(sectorsFlashed++) / sectorCount);
+		handler(StatusType::Progress, message, double(sectorsFlashed++) / sectorCount);
 
 		sector.assign(bin.begin() + i, bin.begin() + i + std::min<size_t>(MaxSectorSize, fileSize - i));
 		if(!sendCommand(uint8_t(Command::SendFirmware), sector)) {
@@ -42,7 +42,7 @@ bool REDCoreCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenSta
 
 	// Then flash it
 	Log::Debug(__func__, "Starting core flash for " + targetChip.getName());
-	handler(icsneo::Device::OpenStatusType::Progress, message, std::nullopt);
+	handler(StatusType::Progress, message, std::nullopt);
 
 	// There is a long timeout on the StartFirmwareFlash because the bootloader may block here,
 	// potentially for the entire duration of the flash
@@ -92,7 +92,7 @@ bool REDCoreCommunication::flash(const FWRepo& fw, const icsneo::Device::OpenSta
 		Log::Trace(__func__, "Flashed " + std::to_string(flashed) + " of " + std::to_string(fileSize));
 
 		if(flashed != oldFlashed)
-			handler(icsneo::Device::OpenStatusType::Progress, message, std::min(double(flashed) / fileSize, 1.0));
+			handler(StatusType::Progress, message, std::min(double(flashed) / fileSize, 1.0));
 	}
 
 	return flashed == fileSize;

examples/python/bootloader/update.py

@@ -30,7 +30,6 @@ def update(firmware_path):
 			print()
 		last_status = status
 		print(f"\r{status}" + (f" ({progress * 100:.1f}%)" if progress is not None else ""), end="", flush=True)
-		return icsneopy.Device.OpenDirective.Continue
 
 	# force_flash updates every chip, even those already at the version in the firmware file
 	ok = icsneopy.Bootloader.update(device, fw, logger, force_flash=True)

include/icsneo/device/device.h

@@ -206,21 +206,10 @@ public:
 	public:
 		enum Enum {
 			/**
-			 * Even if the firmware does not match the current firmware version,
-			 * the device will not be updated.
-			 * 
-			 * Note: The device may still be flashed if the device has no firmware
-			 * 
-			 * This has no effect if the DFU extension is not present
+			 * Skip refreshing the device state. Instead, only open com
+			 * and start the heartbeat thread.
 			 */
-			SuppressAutoUpdate = 1 << 0,
-
-			/**
-			 * Force reflash the device.
-			 * 
-			 * This has no effect if the DFU extension is not present
-			 */
-			ForceReflash = 1 << 1
+			SkipRefreshDeviceState = 1 << 0,
 		};
 		using EnumType = std::underlying_type<Enum>::type;
 
@@ -231,31 +220,8 @@ public:
 		const Enum val;
 	};
 
-	enum class OpenDirective {
-		Continue,
-		Cancel,
-		Skip
-	};
-
-	enum class OpenStatusType {
-		QuestionContinueSkipCancel,
-		QuestionContinueCancel,
-		Progress,
-		Failed
-	};
-
-	/**
-	 * @brief Alias of callback function for progress of a bootloader pipeline task
-	 * 
-	 * The progress value passed into the callback function indicates the following:
-	 * 1) If the value is std::nullopt, this implies the status message is for an asynchronous task or a task in which the current progress is unknown.
-	 * 2) If the value is between 0 and 1 (i.e., 0 <= progress <= 1), this implies the actual progress of the current task as a percentage.
-	 * 3) Values not between 0 and 1 (i.e., progress < 0 or progress > 1) are undefined.
-	 */
-	using OpenStatusHandler = std::function<Device::OpenDirective(OpenStatusType type, const std::string& status, std::optional<double> progress)>;
-
-	bool open(OpenFlags flags = {}, OpenStatusHandler handler =
-		[](OpenStatusType, const std::string&, std::optional<double>) { return Device::OpenDirective::Continue; });
+	bool open(OpenFlags flags = {});
+	APIEvent::Type refreshDeviceState();
 	virtual bool close();
 	virtual bool isOnline() const { return online; }
 	virtual bool isOpen() const { return com->isOpen(); }

include/icsneo/device/extensions/bootloader/api.h

@@ -15,20 +15,33 @@ namespace icsneo {
 
 namespace Bootloader {
 
-using Logger = icsneo::Device::OpenStatusHandler;
+enum class StatusType {
+	Progress,
+	Failed
+};
+
+/**
+ * @brief Alias of callback function for progress of a bootloader pipeline task
+ * 
+ * The progress value passed into the callback function indicates the following:
+ * 1) If the value is std::nullopt, this implies the status message is for an asynchronous task or a task in which the current progress is unknown.
+ * 2) If the value is between 0 and 1 (i.e., 0 <= progress <= 1), this implies the actual progress of the current task as a percentage.
+ * 3) Values not between 0 and 1 (i.e., progress < 0 or progress > 1) are undefined.
+ */
+using StatusHandler = std::function<void(StatusType type, const std::string& status, std::optional<double> progress)>;
 
 bool requiresUpdate(icsneo::Device& device, const FWRepo& fw);
 bool update(
 	icsneo::Device& device,
 	const FWRepo& fw,
-	Logger logger = [](icsneo::Device::OpenStatusType, const std::string&, std::optional<double>) { return icsneo::Device::OpenDirective::Continue; },
+	StatusHandler statusHandler = [](StatusType, const std::string&, std::optional<double>) {},
 	bool alreadyInBootloader = false,
 	bool forceFlash = false
 );
 
 bool enterBootloader(icsneo::Device& device);
-bool exitBootloader(icsneo::Device& device, Logger logger, bool updatedChips);
-bool verifyConnection(icsneo::Device& device, Logger logger);
+bool exitBootloader(icsneo::Device& device, StatusHandler statusHandler, bool updatedChips);
+bool verifyConnection(icsneo::Device& device, StatusHandler statusHandler);
 
 bool isSFPChip(const icsneo::Bootloader::Chip& chip);
 bool isSFPIEF(const icsneo::Bootloader::IEF& ief);

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

@@ -31,7 +31,7 @@ public:
 		return true;
 	}
 	bool finalize() override;
-	bool flash(const FWRepo& repo, const icsneo::Device::OpenStatusHandler& handler) override;
+	bool flash(const FWRepo& repo, const StatusHandler& handler) override;
 
 	bool open() override {
 		return true;
@@ -42,8 +42,8 @@ public:
 	}
 
 	bool authenticate();
-	bool sendSoftware(const std::vector<uint8_t>& bin, const icsneo::Device::OpenStatusHandler& handler);
-	bool sendSoftware(const std::vector<IEF::Sector>& sectors, uint32_t blockSize, const icsneo::Device::OpenStatusHandler& handler);
+	bool sendSoftware(const std::vector<uint8_t>& bin, const StatusHandler& handler);
+	bool sendSoftware(const std::vector<IEF::Sector>& sectors, uint32_t blockSize, const StatusHandler& handler);
 	bool validateFirmware(const DeviceAppVersion& chipSrcVer);
 	bool validateComponent();
 
@@ -74,12 +74,12 @@ private:
 	const bool doAuthChecks;
 	const bool encrypted;
 
-	using StatusHandler = std::function<void(double progress)>;
-	bool sendCommand(Update command, const StatusHandler& handler, uint32_t offset = 0,
+	using CommandStatusHandler = std::function<void(double progress)>;
+	bool sendCommand(Update command, const CommandStatusHandler& handler, uint32_t offset = 0,
 		const std::vector<uint8_t>& args = {}, std::chrono::milliseconds timeout = std::chrono::milliseconds(3000)) {
 		return sendCommand(command, offset, static_cast<uint32_t>(args.size()), handler, timeout, args);
 	}
-	bool sendCommand(Update command, uint32_t offset, uint32_t length, const StatusHandler& handler,
+	bool sendCommand(Update command, uint32_t offset, uint32_t length, const CommandStatusHandler& handler,
 		std::chrono::milliseconds timeout = std::chrono::milliseconds(3000), std::vector<uint8_t> args = {});
 };
 

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

@@ -5,6 +5,7 @@
 
 #include "icsneo/device/extensions/bootloader/chip.h"
 #include "icsneo/device/device.h"
+#include "icsneo/device/extensions/bootloader/api.h"
 
 #include <cstdint>
 
@@ -29,7 +30,7 @@ public:
 	virtual bool enterApplication() = 0;
 	virtual bool hasFinalizationStep() const = 0;
 	virtual bool finalize() = 0;
-	virtual bool flash(const FWRepo& repo, const icsneo::Device::OpenStatusHandler& handler) = 0;
+	virtual bool flash(const FWRepo& repo, const StatusHandler& handler) = 0;
 
 	virtual bool open() = 0;
 	virtual bool close() = 0;

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

@@ -69,7 +69,7 @@ protected:
 	Response& sendRequest(const Request& request, std::chrono::milliseconds timeout = std::chrono::milliseconds(2000));
 	bool sendRequestNoResponse();
 
-	icsneo::Device::OpenStatusHandler logger; // Progress updates, set in flash()
+	StatusHandler statusHandler; // Progress updates, set in flash()
 	Response lastResponse; // Last response received from sendRequest
 	bool supportsZynqBinaryFlasher = false; // Dictates how messages are formatted, this gets set in initialize()
 
@@ -92,7 +92,7 @@ public:
 
 	bool enterApplication() override;
 	bool finalize() override;
-	bool flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandler& handler) override;
+	bool flash(const FWRepo& fw, const StatusHandler& handler) override;
 
 	bool open() override;
 	bool close() override;

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

@@ -22,7 +22,7 @@ private:
 public:
 	RADMultiChipCommunication(icsneo::Device& dev, const ChipInfo& chipToFlash, bool auth, uint8_t slot = UINT8_MAX);
 
-	bool flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandler& handler) override;
+	bool flash(const FWRepo& fw, const StatusHandler& handler) override;
 	bool open() override;
 	bool close() override;
 	bool enterApplication() override;

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

@@ -79,7 +79,7 @@ public:
 	RADPeriphCommunication(icsneo::Device& dev, const ChipInfo& chipToFlash);
 	~RADPeriphCommunication();
 
-	bool flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandler& handler) override;
+	bool flash(const FWRepo& fw, const StatusHandler& handler) override;
 	bool open() override;
 	bool close() override;
 	bool enterApplication() override;

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

@@ -23,7 +23,7 @@ class REDCommunication : public REDCommunicationBase {
 public:
 	REDCommunication(icsneo::Device& dev, const ChipInfo& chip, bool auth, bool encryptWithDeviceKey = true);
 	bool enterApplication() override { return sendCommand(uint8_t(Command::EnterApplication)); }
-	bool flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandler& handler) override;
+	bool flash(const FWRepo& fw, const StatusHandler& handler) override;
 	bool open() override;
 
 private:

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

@@ -27,7 +27,7 @@ public:
 	using REDCommunicationBase::REDCommunicationBase;
 
 	bool enterApplication() override { return false; }
-	bool flash(const FWRepo& fw, const icsneo::Device::OpenStatusHandler& handler) override;
+	bool flash(const FWRepo& fw, const StatusHandler& handler) override;
 private:
 	/**
 	 * Core flasher commands are tunneled through a RED request using CoreFlasherCommand,

include/icsneo/device/extensions/deviceextension.h

@@ -16,12 +16,6 @@ public:
 	virtual ~DeviceExtension() = default;
 	virtual const char* getName() const = 0;
 
-	// Return false to block opening
-	virtual bool onDeviceOpen(Device::OpenFlags, const Device::OpenStatusHandler&) { return true; }
-
-	// Return true to indicate that communication should now be back
-	virtual bool onDeviceCommunicationDead(Device::OpenFlags, const Device::OpenStatusHandler&) { return false; }
-
 	virtual void onGoOnline() {}
 	virtual void onGoOffline() {}
 	virtual void onDeviceClose() {}