81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
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#include "MplabSnap.hpp"
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#include "src/Exceptions/Exception.hpp"
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using namespace Bloom::DebugToolDrivers;
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using namespace Protocols::CmsisDap::Edbg::Avr;
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using namespace Bloom::Exceptions;
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void MplabSnap::init() {
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UsbDevice::init();
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// TODO: Move away from hard-coding the CMSIS-DAP/EDBG interface number
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auto& usbHidInterface = this->getEdbgInterface().getUsbHidInterface();
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usbHidInterface.setNumber(0);
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usbHidInterface.setLibUsbDevice(this->libUsbDevice);
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usbHidInterface.setLibUsbDeviceHandle(this->libUsbDeviceHandle);
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usbHidInterface.setVendorId(this->vendorId);
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usbHidInterface.setProductId(this->productId);
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if (!usbHidInterface.isInitialised()) {
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usbHidInterface.init();
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}
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this->getEdbgInterface().setMinimumCommandTimeGap(35);
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// We don't need to claim the CMSISDAP interface here as the HIDAPI will have already done so.
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if (!this->sessionStarted) {
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this->startSession();
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}
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this->edbgAvr8Interface = std::make_unique<EdbgAvr8Interface>(this->edbgInterface);
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this->setInitialised(true);
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}
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void MplabSnap::close() {
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if (this->sessionStarted) {
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this->endSession();
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}
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this->getEdbgInterface().getUsbHidInterface().close();
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UsbDevice::close();
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}
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std::string MplabSnap::getSerialNumber() {
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auto response = this->getEdbgInterface().sendAvrCommandFrameAndWaitForResponseFrame(
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CommandFrames::Discovery::Query(CommandFrames::Discovery::QueryContext::SERIAL_NUMBER)
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);
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if (response.getResponseId() != CommandFrames::Discovery::ResponseId::OK) {
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throw Exception("Failed to fetch serial number from device - invalid Discovery Protocol response ID.");
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}
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auto data = response.getPayloadData();
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return std::string(data.begin(), data.end());
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}
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void MplabSnap::startSession() {
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auto response = this->getEdbgInterface().sendAvrCommandFrameAndWaitForResponseFrame(
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CommandFrames::HouseKeeping::StartSession()
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);
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if (response.getResponseId() == CommandFrames::HouseKeeping::ResponseId::FAILED) {
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// Failed response returned!
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throw Exception("Failed to start session with MPLAB Snap!");
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}
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this->sessionStarted = true;
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}
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void MplabSnap::endSession() {
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auto response = this->getEdbgInterface().sendAvrCommandFrameAndWaitForResponseFrame(
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CommandFrames::HouseKeeping::EndSession()
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);
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if (response.getResponseId() == CommandFrames::HouseKeeping::ResponseId::FAILED) {
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// Failed response returned!
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throw Exception("Failed to end session with MPLAB Snap!");
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}
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this->sessionStarted = false;
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}
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