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76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
/*
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* POWThread.cpp
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*
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* Created on: 16 Jan 2021
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* Author: Ralim
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*/
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#include "BSP.h"
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#include "FS2711.hpp"
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#include "FreeRTOS.h"
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#include "HUB238.hpp"
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#include "QC3.h"
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#include "Settings.h"
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#include "USBPD.h"
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#include "cmsis_os.h"
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#include "configuration.h"
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#include "main.hpp"
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#include "stdbool.h"
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#include "stdlib.h"
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#include "task.h"
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// Small worker thread to handle power (PD + QC) related steps
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void startPOWTask(void const *argument __unused) {
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bool haveNegotiatedHigherPower = false;
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// Init any other misc sensors
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postRToSInit();
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// You have to run this once we are willing to answer PD messages
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// Setting up too early can mean that we miss the ~20ms window to respond on some chargers
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#ifdef POW_PD
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USBPowerDelivery::start();
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// Crank the handle at boot until we are stable and waiting for IRQ
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USBPowerDelivery::step();
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#endif
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#if POW_PD_EXT == 2
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FS2711::start();
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#endif
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BaseType_t res;
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for (;;) {
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res = pdFALSE;
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// While the interrupt is low, dont delay
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/*This is due to a possible race condition, where:
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* IRQ fires
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* We read interrupt register but dont see the Good CRC
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* Then Good CRC is set while reading it out (racing on I2C read)
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* Then we would sleep as nothing to do, but 100ms> 20ms power supply typical timeout
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*/
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if (!getFUS302IRQLow()) {
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res = xTaskNotifyWait(0x0, 0xFFFFFF, NULL, TICKS_100MS / 2);
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}
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#ifdef POW_PD
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if (res != pdFALSE || getFUS302IRQLow()) {
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USBPowerDelivery::IRQOccured();
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}
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USBPowerDelivery::PPSTimerCallback();
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USBPowerDelivery::step();
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// Once tip measurement is done, and we have done the basic negotiation, we want to do the higher voltage negotiation steps
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if (tipMeasurementDone() == 1 && !haveNegotiatedHigherPower) {
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USBPowerDelivery::reNegotiate();
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}
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#else
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(void)res;
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#endif
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#if POW_PD_EXT == 1
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hub238_check_negotiation();
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#endif
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#if POW_PD_EXT == 2
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if (tipMeasurementDone() == 1) {
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FS2711::negotiate();
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}
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#endif
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power_check();
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}
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}
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