mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-26 17:46:14 +01:00
Merge remote-tracking branch 'origin/TrackManager_SAMD' into PORTX_HAL
This commit is contained in:
Asbelos
commit
385afdeb6c
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@ -1,4 +1,5 @@
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/*
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* © 2022 Paul M Antoine
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* © 2021 Neil McKechnie
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* © 2021 Mike S
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* © 2021 Herb Morton
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@ -906,9 +907,15 @@ bool DCCEXParser::parseD(Print *stream, int16_t params, int16_t p[])
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wdt_enable( WDTO_15MS); // set Arduino watchdog timer for 15ms
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delay(50); // wait for the prescaller time to expire
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#else
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#ifdef ARDUINO_ARCH_ESP
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#if defined(ARDUINO_ARCH_ESP32)
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ESP.restart();
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#endif
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#if defined(ARDUINO_ARCH_SAMD)
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// Disable all interrupts and reset uC
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__disable_irq();
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NVIC_SystemReset();
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while(true);
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#endif
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#endif
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break; // and <X> if we didnt restart
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}
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@ -1,4 +1,5 @@
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/*
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* © 2022 Paul M Antoine
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* © 2021 Mike S
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* © 2021 Harald Barth
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* © 2021 Fred Decker
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@ -1,10 +1,10 @@
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/*
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* © 2022 Paul M Antoine
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* © 2021 Mike S
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* © 2021 Harald Barth
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* © 2021 Fred Decker
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* © 2021 Chris Harlow
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* © 2021 David Cutting
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* © 2022 Paul M. Antoine
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* All rights reserved.
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*
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* This file is part of Asbelos DCC API
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@ -23,7 +23,7 @@
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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// ATTENTION: this file only compiles on a TEENSY
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// ATTENTION: this file only compiles on a SAMD21 based board
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// Please refer to DCCTimer.h for general comments about how this class works
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// This is to avoid repetition and duplication.
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#ifdef ARDUINO_ARCH_SAMD
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@ -38,8 +38,9 @@ void DCCTimer::begin(INTERRUPT_CALLBACK callback) {
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interruptHandler=callback;
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noInterrupts();
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// PMA - Set up ADC to do faster reads... default for Arduino Zero platform configs is 436uS,
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// and we need sub-100uS. This code sets it to a read speed of around 21uS, and enables 12-bit
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// Set up ADC to do faster reads... default for Arduino Zero platform configs is 436uS,
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// and we need sub-100uS. This code sets it to a read speed of around 21uS, and for now
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// enables 10-bit mode, although 12-bit is possible
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ADC->CTRLA.bit.ENABLE = 0; // disable ADC
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while( ADC->STATUS.bit.SYNCBUSY == 1 ); // wait for synchronization
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@ -54,8 +55,7 @@ void DCCTimer::begin(INTERRUPT_CALLBACK callback) {
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ADC->CTRLA.bit.ENABLE = 1; // enable ADC
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while(ADC->STATUS.bit.SYNCBUSY == 1); // wait for synchronization
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// PMA - actual timer setup goo
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// Setup clock sources first
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// Timer setup - setup clock sources first
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REG_GCLK_GENDIV = GCLK_GENDIV_DIV(1) | // Divide 48MHz by 1
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GCLK_GENDIV_ID(4); // Apply to GCLK4
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while (GCLK->STATUS.bit.SYNCBUSY); // Wait for synchronization
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@ -70,32 +70,31 @@ void DCCTimer::begin(INTERRUPT_CALLBACK callback) {
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GCLK_CLKCTRL_ID_TCC0_TCC1; // Feed GCLK to TCC0/1
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while (GCLK->STATUS.bit.SYNCBUSY);
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// PMA - assume we're using TCC0... as we're bit-bashing the DCC waveform output pins anyway
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// Assume we're using TCC0... as we're bit-bashing the DCC waveform output pins anyway
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// for "normal accuracy" DCC waveform generation. For high accuracy we're going to need
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// to a good deal more. The TCC waveform output pins are mux'd on the SAMD, and OP pins
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// for each TCC are only available on certain pins
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// to a good deal more. The TCC waveform output pins are mux'd on the SAMD, and output
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// pins for each TCC are only available on certain pins
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TCC0->WAVE.reg = TCC_WAVE_WAVEGEN_NPWM; // Select NPWM as waveform
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while (TCC0->SYNCBUSY.bit.WAVE); // Wait for sync
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// PMA - set the frequency
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// Set the frequency
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TCC0->CTRLA.reg |= TCC_CTRLA_PRESCALER(TCC_CTRLA_PRESCALER_DIV1_Val);
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TCC0->PER.reg = CLOCK_CYCLES * 2;
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while (TCC0->SYNCBUSY.bit.PER);
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// PMA - start it
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// Start the timer
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TCC0->CTRLA.bit.ENABLE = 1;
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while (TCC0->SYNCBUSY.bit.ENABLE);
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// PMA - set interrupt condition, priority and enable
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// Set the interrupt condition, priority and enable it in the NVIC
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TCC0->INTENSET.reg = TCC_INTENSET_OVF; // Only interrupt on overflow
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NVIC_SetPriority((IRQn_Type)TCC0_IRQn, 0); // Make this highest priority
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NVIC_EnableIRQ((IRQn_Type)TCC0_IRQn); // Enable the interrupt
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interrupts();
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}
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// PMA - Timer IRQ handlers replace the dummy handlers (cortex_handlers)
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// Timer IRQ handlers replace the dummy handlers (in cortex_handlers)
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// copied from rf24 branch
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// TODO: test
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void TCC0_Handler() {
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if(TCC0->INTFLAG.bit.OVF) {
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TCC0->INTFLAG.bit.OVF = 1; // writing a 1 clears the flag
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@ -126,11 +125,15 @@ bool DCCTimer::isPWMPin(byte pin) {
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}
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void DCCTimer::setPWM(byte pin, bool high) {
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// TODO: what are the relevant pins?
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// TODO: High Accuracy mode is not supported as yet, and may never need to be
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(void) pin;
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(void) high;
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}
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void DCCTimer::clearPWM() {
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return;
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}
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void DCCTimer::getSimulatedMacAddress(byte mac[6]) {
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volatile uint32_t *serno1 = (volatile uint32_t *)0x0080A00C;
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volatile uint32_t *serno2 = (volatile uint32_t *)0x0080A040;
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@ -26,7 +26,7 @@
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#include <Arduino.h>
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#if defined(ARDUINO_ARCH_SAMD)
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#if defined(ARDUINO_ARCH_SAMC)
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#include <SparkFun_External_EEPROM.h>
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extern ExternalEEPROM EEPROM;
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#else
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@ -1,4 +1,5 @@
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/*
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* © 2022 Paul M Antoine
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* © 2021 Mike S
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* © 2021 Fred Decker
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* © 2020-2022 Harald Barth
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@ -1,4 +1,5 @@
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/*
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* © 2022 Paul M Antoine
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* © 2021 Mike S
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* © 2021 Fred Decker
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* © 2020 Chris Harlow
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@ -1,4 +1,5 @@
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/*
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* © 2022 Paul M Antoine
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* © 2021 Fred Decker
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* © 2020-2022 Harald Barth
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* (c) 2020 Chris Harlow. All rights reserved.
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@ -59,6 +60,13 @@
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new MotorDriver(11, 13, UNUSED_PIN, 8, A1, 2.99, 2000, UNUSED_PIN)
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#endif
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// Setup for SAMD21 Sparkfun DEV board using Arduino standard Motor Shield R3 (MUST be R3 for 3v3 compatibility!!)
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// senseFactor for 3.3v systems is 1.95 as calculated when using 10-bit A/D samples,
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// and for 12-bit samples it's more like 0.488, but we probably need to tweak both these
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#define SAMD_STANDARD_MOTOR_SHIELD F("STANDARD_MOTOR_SHIELD"), \
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new MotorDriver(3, 12, UNUSED_PIN, 9, A0, 1.95, 2000, UNUSED_PIN), \
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new MotorDriver(11, 13, UNUSED_PIN, 8, A1, 1.95, 2000, UNUSED_PIN)
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// Pololu Motor Shield
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#define POLOLU_MOTOR_SHIELD F("POLOLU_MOTOR_SHIELD"), \
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new MotorDriver( 9, 7, UNUSED_PIN, -4, A0, 18, 3000, 12), \
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@ -1,4 +1,5 @@
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/*
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* © 2022 Paul M Antoine
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* © 2021 Chris Harlow
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* © 2022 Harald Barth
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* All rights reserved.
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@ -33,13 +34,12 @@ SerialManager::SerialManager(Stream * myserial) {
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}
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void SerialManager::init() {
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// while (!Serial && millis() < 5000); // wait max 5s for Serial to start
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#if defined(ARDUINO_ARCH_SAMD)
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SerialUSB.begin(115200);
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while (!SerialUSB); // PMA - temporary for debuggering purpoises
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new SerialManager(&SerialUSB);
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#else
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Serial.begin(115200);
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while (!Serial && millis() < 5000); // wait max 5s for Serial to start
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new SerialManager(&Serial);
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#endif
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#ifdef SERIAL3_COMMANDS
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@ -1,4 +1,5 @@
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/*
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* © 2022 Paul M Antoine
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* © 2021 Neil McKechnie
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* © 2021 Mike S
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* © 2021 Fred Decker
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@ -15,23 +15,47 @@ default_envs =
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mega328
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unowifiR2
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nano
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samd21-dev-usb
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samd21-zero-usb
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src_dir = .
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include_dir = .
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[env]
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build_flags = -Wall -Wextra
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[env:samd21]
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[env:samd21-dev-usb]
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platform = atmelsam
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board = sparkfun_samd21_dev_usb
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framework = arduino
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upload_protocol = sam-ba
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lib_deps =
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${env.lib_deps}
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monitor_speed = 115200
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monitor_flags = --echo
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build_flags = -std=c++17 -DI2C_USE_WIRE -DDISABLE_EEPROM
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[env:samd21-zero-usb]
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platform = atmelsam
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board = zeroUSB
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framework = arduino
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upload_protocol = sam-ba
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lib_deps =
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${env.lib_deps}
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monitor_speed = 115200
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monitor_flags = --echo
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build_flags = -std=c++17 -DI2C_USE_WIRE -DDISABLE_EEPROM
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[env:samc21-firebox]
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platform = atmelsam
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board = firebox
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framework = arduino
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upload_protocol = atmel-ice
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lib_deps =
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${env.lib_deps}
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SparkFun External EEPROM Arduino Library
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monitor_speed = 115200
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monitor_flags = --echo
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build_flags = -std=c++17
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build_flags = -std=c++17 -DI2C_USE_WIRE -DDISABLE_EEPROM
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[env:mega2560-debug]
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platform = atmelavr
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