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Test programs
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‎test/ProtocolAnalyzer/.gitignore‎

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.pio
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.vscode/.browse.c_cpp.db*
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.vscode/c_cpp_properties.json
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.vscode/launch.json
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.vscode/ipch

‎test/ProtocolAnalyzer/.vscode/extensions.json‎

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{
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// See http://go.microsoft.com/fwlink/?LinkId=827846
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// for the documentation about the extensions.json format
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"recommendations": [
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"platformio.platformio-ide"
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],
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"unwantedRecommendations": [
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"ms-vscode.cpptools-extension-pack"
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]
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}

‎test/ProtocolAnalyzer/platformio.ini‎

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[env]
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platform = ststm32
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framework = arduino
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lib_deps =
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USB-Power-Delivery=symlink://../..
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[common]
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build_flags =
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-D USBPD_DEBUG_PIN
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[env:nucleo_l432kc]
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board = nucleo_l432kc
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[env:bluepill_f103c8]
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board = bluepill_f103c8
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build_flags =
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-D ${common.build_flags}
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-D PIO_FRAMEWORK_ARDUINO_ENABLE_CDC
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-D USBCON
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-D HAL_PCD_MODULE_ENABLED
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-D USBD_VID=0xCAFE
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-D USBD_PID=0xDEAD
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-D USB_MANUFACTURER_STRING="\"Codecrete\""
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-D USB_PRODUCT_STRING="\"USB PD Analyzer\""
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[env:blackpill_f401cc]
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board = blackpill_f401cc
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debug_tool = stlink
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build_flags =
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-D ${common.build_flags}
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-D PIO_FRAMEWORK_ARDUINO_ENABLE_CDC
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-D USBCON
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-D HAL_PCD_MODULE_ENABLED
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-D USBD_VID=0xCAFE
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-D USBD_PID=0xDEAD
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-D USB_MANUFACTURER_STRING="\"Codecrete\""
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-D USB_PRODUCT_STRING="\"USB PD Analyzer\""
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[env:nucleo_g431kb]
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board = nucleo_g431kb

‎test/ProtocolAnalyzer/src/main.cpp‎

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//
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// USB Power Delivery for Arduino
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// Copyright (c) 2023 Manuel Bleichenbacher
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//
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// Licensed under MIT License
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// https://opensource.org/licenses/MIT
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//
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//
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// --- USB PD Protocol Analyzer
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//
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#include <Arduino.h>
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#include "PowerDelivery.h"
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void setup() {
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Serial.begin(115200);
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PowerController.startMonitor();
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}
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void loop() {
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ProtocolAnalyzer::poll();
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}

‎test/VoltageChange/.gitignore‎

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.pio
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.vscode/.browse.c_cpp.db*
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.vscode/c_cpp_properties.json
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.vscode/launch.json
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.vscode/ipch

‎test/VoltageChange/.vscode/extensions.json‎

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{
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// See http://go.microsoft.com/fwlink/?LinkId=827846
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// for the documentation about the extensions.json format
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"recommendations": [
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"platformio.platformio-ide"
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],
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"unwantedRecommendations": [
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"ms-vscode.cpptools-extension-pack"
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]
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}

‎test/VoltageChange/platformio.ini‎

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[env]
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platform = ststm32
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framework = arduino
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lib_deps =
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USB-Power-Delivery=symlink://../..
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[common]
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build_flags =
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-D USBPD_DEBUG_PIN
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[env:nucleo_l432kc]
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board = nucleo_l432kc
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[env:bluepill_f103c8]
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board = bluepill_f103c8
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build_flags =
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-D ${common.build_flags}
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-D PIO_FRAMEWORK_ARDUINO_ENABLE_CDC
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-D USBCON
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-D HAL_PCD_MODULE_ENABLED
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-D USBD_VID=0xCAFE
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-D USBD_PID=0xDEAD
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-D USB_MANUFACTURER_STRING="\"Codecrete\""
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-D USB_PRODUCT_STRING="\"Voltage Switcher\""
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[env:blackpill_f401cc]
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board = blackpill_f401cc
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debug_tool = stlink
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build_flags =
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-D ${common.build_flags}
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-D PIO_FRAMEWORK_ARDUINO_ENABLE_CDC
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-D USBCON
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-D HAL_PCD_MODULE_ENABLED
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-D USBD_VID=0xCAFE
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-D USBD_PID=0xDEAD
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-D USB_MANUFACTURER_STRING="\"Codecrete\""
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-D USB_PRODUCT_STRING="\"Voltage Switcher\""
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[env:nucleo_g431kb]
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board = nucleo_g431kb

‎test/VoltageChange/src/main.cpp‎

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//
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// USB Power Delivery for Arduino
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// Copyright (c) 2023 Manuel Bleichenbacher
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//
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// Licensed under MIT License
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// https://opensource.org/licenses/MIT
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//
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//
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// --- Test program switching between the available fixed voltages
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//
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#include <Arduino.h>
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#include "TaskScheduler.h"
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#include "ProtocolAnalyzer.h"
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#include "PowerDelivery.h"
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#include "CRC32.h"
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static void handleEvent(PDSinkEventType eventType);
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static void switchVoltage();
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static bool hasExpired(uint32_t time);
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static bool isUSBPDSource = false;
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static uint32_t nextVoltageChangeTime = 0;
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static int voltageIndex = 0;
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void setup() {
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Serial.begin(115200);
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PowerSink.start(handleEvent);
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Serial.println();
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Serial.println("USB Power Delivery");
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}
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void loop() {
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PowerSink.poll();
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ProtocolAnalyzer::poll();
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if (isUSBPDSource && hasExpired(nextVoltageChangeTime))
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switchVoltage();
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}
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void switchVoltage() {
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// select next fixed voltage
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do {
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voltageIndex += 1;
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if (voltageIndex >= PowerSink.numSourceCapabilities)
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voltageIndex = 0;
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} while (PowerSink.sourceCapabilities[voltageIndex].supplyType != PDSupplyType::fixed);
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PowerSink.requestPower(PowerSink.sourceCapabilities[voltageIndex].maxVoltage);
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nextVoltageChangeTime += 3000;
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}
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void handleEvent(PDSinkEventType eventType) {
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switch (eventType) {
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case PDSinkEventType::sourceCapabilitiesChanged:
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if (PowerSink.isConnected()) {
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Serial.println("New source capabilities (USB PD supply)");
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isUSBPDSource = true;
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voltageIndex = 0;
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nextVoltageChangeTime = millis() + 2000;
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} else {
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isUSBPDSource = false;
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Serial.println("New source capabilities (no USB PD supply connected)");
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}
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break;
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case PDSinkEventType::voltageChanged:
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Serial.printf("Voltage changd: %5dmV %5dmA (max)", PowerSink.activeVoltage, PowerSink.activeCurrent);
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Serial.println();
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break;
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case PDSinkEventType::powerRejected:
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Serial.println("Power request rejected");
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break;
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}
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}
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bool hasExpired(uint32_t time) {
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return (int32_t)(time - millis()) <= 0;
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}

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