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Update HAL/STM32 platform to 8.0 (#18496)

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This commit is contained in:
Jason Smith
2020-09-07 19:41:48 -07:00
committed by Scott Lahteine
parent 5fcfecc56e
commit 784016a25e
23 changed files with 180 additions and 633 deletions
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2
Marlin/Makefile
View File

@@ -694,7 +694,7 @@ ifeq ($(HARDWARE_VARIANT), Teensy)
LIB_CXXSRC += usb_api.cpp
else ifeq ($(HARDWARE_VARIANT), archim)
CDEFS += -DARDUINO_SAM_ARCHIM -DARDUINO_ARCH_SAM -D__SAM3X8E__ -DUSB_VID=0x27b1 -DUSB_PID=0x0001 -DUSBCON '-DUSB_MANUFACTURER="UltiMachine"' '-DUSB_PRODUCT="Archim"'
CDEFS += -DARDUINO_SAM_ARCHIM -DARDUINO_ARCH_SAM -D__SAM3X8E__ -DUSB_VID=0x27b1 -DUSB_PID=0x0001 -DUSBCON '-DUSB_MANUFACTURER="UltiMachine"' '-DUSB_PRODUCT_STRING="Archim"'
LIB_CXXSRC += variant.cpp IPAddress.cpp Reset.cpp RingBuffer.cpp Stream.cpp UARTClass.cpp USARTClass.cpp abi.cpp new.cpp watchdog.cpp CDC.cpp PluggableUSB.cpp USBCore.cpp
LIB_SRC += cortex_handlers.c iar_calls_sam3.c syscalls_sam3.c dtostrf.c itoa.c

396
Marlin/src/HAL/STM32/SoftwareSerial.cpp
View File

@@ -1,396 +0,0 @@
/*
* SoftwareSerial.cpp (formerly NewSoftSerial.cpp)
*
* Multi-instance software serial library for Arduino/Wiring
* -- Interrupt-driven receive and other improvements by ladyada
* <https://ladyada.net>
* -- Tuning, circular buffer, derivation from class Print/Stream,
* multi-instance support, porting to 8MHz processors,
* various optimizations, PROGMEM delay tables, inverse logic and
* direct port writing by Mikal Hart <http://www.arduiniana.org>
* -- Pin change interrupt macros by Paul Stoffregen <https://www.pjrc.com>
* -- 20MHz processor support by Garrett Mace <http://www.macetech.com>
* -- ATmega1280/2560 support by Brett Hagman <https://www.roguerobotics.com>
* -- STM32 support by Armin van der Togt
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* The latest version of this library can always be found at
* http://arduiniana.org.
*/
//
// Includes
//
#if defined(PLATFORMIO) && defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
#include "../../inc/MarlinConfig.h"
#include "SoftwareSerial.h"
#define OVERSAMPLE 3 // in RX, Timer will generate interruption OVERSAMPLE time during a bit. Thus OVERSAMPLE ticks in a bit. (interrupt not synchonized with edge).
// defined in bit-periods
#define HALFDUPLEX_SWITCH_DELAY 5
// It's best to define TIMER_SERIAL in variant.h. If not defined, we choose one here
// The order is based on (lack of) features and compare channels, we choose the simplest available
// because we only need an update interrupt
#if !defined(TIMER_SERIAL)
#if defined(TIM18_BASE)
#define TIMER_SERIAL TIM18
#elif defined(TIM7_BASE)
#define TIMER_SERIAL TIM7
#elif defined(TIM6_BASE)
#define TIMER_SERIAL TIM6
#elif defined(TIM22_BASE)
#define TIMER_SERIAL TIM22
#elif defined(TIM21_BASE)
#define TIMER_SERIAL TIM21
#elif defined(TIM17_BASE)
#define TIMER_SERIAL TIM17
#elif defined(TIM16_BASE)
#define TIMER_SERIAL TIM16
#elif defined(TIM15_BASE)
#define TIMER_SERIAL TIM15
#elif defined(TIM14_BASE)
#define TIMER_SERIAL TIM14
#elif defined(TIM13_BASE)
#define TIMER_SERIAL TIM13
#elif defined(TIM11_BASE)
#define TIMER_SERIAL TIM11
#elif defined(TIM10_BASE)
#define TIMER_SERIAL TIM10
#elif defined(TIM12_BASE)
#define TIMER_SERIAL TIM12
#elif defined(TIM19_BASE)
#define TIMER_SERIAL TIM19
#elif defined(TIM9_BASE)
#define TIMER_SERIAL TIM9
#elif defined(TIM5_BASE)
#define TIMER_SERIAL TIM5
#elif defined(TIM4_BASE)
#define TIMER_SERIAL TIM4
#elif defined(TIM3_BASE)
#define TIMER_SERIAL TIM3
#elif defined(TIM2_BASE)
#define TIMER_SERIAL TIM2
#elif defined(TIM20_BASE)
#define TIMER_SERIAL TIM20
#elif defined(TIM8_BASE)
#define TIMER_SERIAL TIM8
#elif defined(TIM1_BASE)
#define TIMER_SERIAL TIM1
#else
#error No suitable timer found for SoftwareSerial, define TIMER_SERIAL in variant.h
#endif
#endif
//
// Statics
//
HardwareTimer SoftwareSerial::timer(TIMER_SERIAL);
const IRQn_Type SoftwareSerial::timer_interrupt_number = static_cast<IRQn_Type>(getTimerUpIrq(TIMER_SERIAL));
uint32_t SoftwareSerial::timer_interrupt_priority = NVIC_EncodePriority(NVIC_GetPriorityGrouping(), TIM_IRQ_PRIO, TIM_IRQ_SUBPRIO);
SoftwareSerial *SoftwareSerial::active_listener = nullptr;
SoftwareSerial *volatile SoftwareSerial::active_out = nullptr;
SoftwareSerial *volatile SoftwareSerial::active_in = nullptr;
int32_t SoftwareSerial::tx_tick_cnt = 0; // OVERSAMPLE ticks needed for a bit
int32_t volatile SoftwareSerial::rx_tick_cnt = 0; // OVERSAMPLE ticks needed for a bit
uint32_t SoftwareSerial::tx_buffer = 0;
int32_t SoftwareSerial::tx_bit_cnt = 0;
uint32_t SoftwareSerial::rx_buffer = 0;
int32_t SoftwareSerial::rx_bit_cnt = -1; // rx_bit_cnt = -1 : waiting for start bit
uint32_t SoftwareSerial::cur_speed = 0;
void SoftwareSerial::setInterruptPriority(uint32_t preemptPriority, uint32_t subPriority) {
timer_interrupt_priority = NVIC_EncodePriority(NVIC_GetPriorityGrouping(), preemptPriority, subPriority);
}
//
// Private methods
//
void SoftwareSerial::setSpeed(uint32_t speed) {
if (speed != cur_speed) {
timer.pause();
if (speed != 0) {
// Disable the timer
uint32_t clock_rate, cmp_value;
// Get timer clock
clock_rate = timer.getTimerClkFreq();
int pre = 1;
// Calculate prescale an compare value
do {
cmp_value = clock_rate / (speed * OVERSAMPLE);
if (cmp_value >= UINT16_MAX) {
clock_rate /= 2;
pre *= 2;
}
} while (cmp_value >= UINT16_MAX);
timer.setPrescaleFactor(pre);
timer.setOverflow(cmp_value);
timer.setCount(0);
timer.attachInterrupt(&handleInterrupt);
timer.resume();
NVIC_SetPriority(timer_interrupt_number, timer_interrupt_priority);
}
else
timer.detachInterrupt();
cur_speed = speed;
}
}
// This function sets the current object as the "listening"
// one and returns true if it replaces another
bool SoftwareSerial::listen() {
if (active_listener != this) {
// wait for any transmit to complete as we may change speed
while (active_out);
active_listener->stopListening();
rx_tick_cnt = 1; // 1 : next interrupt will decrease rx_tick_cnt to 0 which means RX pin level will be considered.
rx_bit_cnt = -1; // rx_bit_cnt = -1 : waiting for start bit
setSpeed(_speed);
active_listener = this;
if (!_half_duplex) active_in = this;
return true;
}
return false;
}
// Stop listening. Returns true if we were actually listening.
bool SoftwareSerial::stopListening() {
if (active_listener == this) {
// wait for any output to complete
while (active_out);
if (_half_duplex) setRXTX(false);
active_listener = nullptr;
active_in = nullptr;
// turn off ints
setSpeed(0);
return true;
}
return false;
}
inline void SoftwareSerial::setTX() {
if (_inverse_logic)
LL_GPIO_ResetOutputPin(_transmitPinPort, _transmitPinNumber);
else
LL_GPIO_SetOutputPin(_transmitPinPort, _transmitPinNumber);
pinMode(_transmitPin, OUTPUT);
}
inline void SoftwareSerial::setRX() {
pinMode(_receivePin, _inverse_logic ? INPUT_PULLDOWN : INPUT_PULLUP); // pullup for normal logic!
}
inline void SoftwareSerial::setRXTX(bool input) {
if (_half_duplex) {
if (input) {
if (active_in != this) {
setRX();
rx_bit_cnt = -1; // rx_bit_cnt = -1 : waiting for start bit
rx_tick_cnt = 2; // 2 : next interrupt will be discarded. 2 interrupts required to consider RX pin level
active_in = this;
}
}
else {
if (active_in == this) {
setTX();
active_in = nullptr;
}
}
}
}
inline void SoftwareSerial::send() {
if (--tx_tick_cnt <= 0) { // if tx_tick_cnt > 0 interrupt is discarded. Only when tx_tick_cnt reaches 0 is TX pin set.
if (tx_bit_cnt++ < 10) { // tx_bit_cnt < 10 transmission is not finished (10 = 1 start +8 bits + 1 stop)
// Send data (including start and stop bits)
if (tx_buffer & 1)
LL_GPIO_SetOutputPin(_transmitPinPort, _transmitPinNumber);
else
LL_GPIO_ResetOutputPin(_transmitPinPort, _transmitPinNumber);
tx_buffer >>= 1;
tx_tick_cnt = OVERSAMPLE; // Wait OVERSAMPLE ticks to send next bit
}
else { // Transmission finished
tx_tick_cnt = 1;
if (_output_pending) {
active_out = nullptr;
// In half-duplex mode wait HALFDUPLEX_SWITCH_DELAY bit-periods after the byte has
// been transmitted before allowing the switch to RX mode
}
else if (tx_bit_cnt > 10 + OVERSAMPLE * HALFDUPLEX_SWITCH_DELAY) {
if (_half_duplex && active_listener == this) setRXTX(true);
active_out = nullptr;
}
}
}
}
//
// The receive routine called by the interrupt handler
//
inline void SoftwareSerial::recv() {
if (--rx_tick_cnt <= 0) { // if rx_tick_cnt > 0 interrupt is discarded. Only when rx_tick_cnt reaches 0 is RX pin considered
bool inbit = LL_GPIO_IsInputPinSet(_receivePinPort, _receivePinNumber) ^ _inverse_logic;
if (rx_bit_cnt == -1) { // rx_bit_cnt = -1 : waiting for start bit
if (!inbit) {
// got start bit
rx_bit_cnt = 0; // rx_bit_cnt == 0 : start bit received
rx_tick_cnt = OVERSAMPLE + 1; // Wait 1 bit (OVERSAMPLE ticks) + 1 tick in order to sample RX pin in the middle of the edge (and not too close to the edge)
rx_buffer = 0;
}
else
rx_tick_cnt = 1; // Waiting for start bit, but wrong level. Wait for next Interrupt to check RX pin level
}
else if (rx_bit_cnt >= 8) { // rx_bit_cnt >= 8 : waiting for stop bit
if (inbit) {
// Stop-bit read complete. Add to buffer.
uint8_t next = (_receive_buffer_tail + 1) % _SS_MAX_RX_BUFF;
if (next != _receive_buffer_head) {
// save new data in buffer: tail points to byte destination
_receive_buffer[_receive_buffer_tail] = rx_buffer; // save new byte
_receive_buffer_tail = next;
}
else // rx_bit_cnt = x with x = [0..7] correspond to new bit x received
_buffer_overflow = true;
}
// Full trame received. Restart waiting for start bit at next interrupt
rx_tick_cnt = 1;
rx_bit_cnt = -1;
}
else {
// data bits
rx_buffer >>= 1;
if (inbit) rx_buffer |= 0x80;
rx_bit_cnt++; // Prepare for next bit
rx_tick_cnt = OVERSAMPLE; // Wait OVERSAMPLE ticks before sampling next bit
}
}
}
//
// Interrupt handling
//
/* static */
inline void SoftwareSerial::handleInterrupt(HardwareTimer*) {
if (active_in) active_in->recv();
if (active_out) active_out->send();
}
//
// Constructor
//
SoftwareSerial::SoftwareSerial(uint16_t receivePin, uint16_t transmitPin, bool inverse_logic /* = false */) :
_receivePin(receivePin),
_transmitPin(transmitPin),
_receivePinPort(digitalPinToPort(receivePin)),
_receivePinNumber(STM_LL_GPIO_PIN(digitalPinToPinName(receivePin))),
_transmitPinPort(digitalPinToPort(transmitPin)),
_transmitPinNumber(STM_LL_GPIO_PIN(digitalPinToPinName(transmitPin))),
_speed(0),
_buffer_overflow(false),
_inverse_logic(inverse_logic),
_half_duplex(receivePin == transmitPin),
_output_pending(0),
_receive_buffer_tail(0),
_receive_buffer_head(0)
{
if ((receivePin < NUM_DIGITAL_PINS) || (transmitPin < NUM_DIGITAL_PINS)) {
/* Enable GPIO clock for tx and rx pin*/
set_GPIO_Port_Clock(STM_PORT(digitalPinToPinName(transmitPin)));
set_GPIO_Port_Clock(STM_PORT(digitalPinToPinName(receivePin)));
}
else
_Error_Handler("ERROR: invalid pin number\n", -1);
}
//
// Destructor
//
SoftwareSerial::~SoftwareSerial() { end(); }
//
// Public methods
//
void SoftwareSerial::begin(long speed) {
#ifdef FORCE_BAUD_RATE
speed = FORCE_BAUD_RATE;
#endif
_speed = speed;
if (!_half_duplex) {
setTX();
setRX();
listen();
}
else
setTX();
}
void SoftwareSerial::end() {
stopListening();
}
// Read data from buffer
int SoftwareSerial::read() {
// Empty buffer?
if (_receive_buffer_head == _receive_buffer_tail) return -1;
// Read from "head"
uint8_t d = _receive_buffer[_receive_buffer_head]; // grab next byte
_receive_buffer_head = (_receive_buffer_head + 1) % _SS_MAX_RX_BUFF;
return d;
}
int SoftwareSerial::available() {
return (_receive_buffer_tail + _SS_MAX_RX_BUFF - _receive_buffer_head) % _SS_MAX_RX_BUFF;
}
size_t SoftwareSerial::write(uint8_t b) {
// wait for previous transmit to complete
_output_pending = 1;
while (active_out) { /* nada */ }
// add start and stop bits.
tx_buffer = b << 1 | 0x200;
if (_inverse_logic) tx_buffer = ~tx_buffer;
tx_bit_cnt = 0;
tx_tick_cnt = OVERSAMPLE;
setSpeed(_speed);
if (_half_duplex) setRXTX(false);
_output_pending = 0;
// make us active
active_out = this;
return 1;
}
void SoftwareSerial::flush() {
noInterrupts();
_receive_buffer_head = _receive_buffer_tail = 0;
interrupts();
}
int SoftwareSerial::peek() {
// Empty buffer?
if (_receive_buffer_head == _receive_buffer_tail) return -1;
// Read from "head"
return _receive_buffer[_receive_buffer_head];
}
#endif // ARDUINO_ARCH_STM32 && !STM32GENERIC

114
Marlin/src/HAL/STM32/SoftwareSerial.h
View File

@@ -1,114 +0,0 @@
/**
* SoftwareSerial.h (formerly NewSoftSerial.h)
*
* Multi-instance software serial library for Arduino/Wiring
* -- Interrupt-driven receive and other improvements by ladyada
* (https://ladyada.net)
* -- Tuning, circular buffer, derivation from class Print/Stream,
* multi-instance support, porting to 8MHz processors,
* various optimizations, PROGMEM delay tables, inverse logic and
* direct port writing by Mikal Hart (http://www.arduiniana.org)
* -- Pin change interrupt macros by Paul Stoffregen (https://www.pjrc.com)
* -- 20MHz processor support by Garrett Mace (http://www.macetech.com)
* -- ATmega1280/2560 support by Brett Hagman (https://www.roguerobotics.com/)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* The latest version of this library can always be found at
* http://arduiniana.org.
*/
#pragma once
#include <Arduino.h>
/******************************************************************************
* Definitions
******************************************************************************/
#define _SS_MAX_RX_BUFF 64 // RX buffer size
class SoftwareSerial : public Stream {
private:
// per object data
uint16_t _receivePin;
uint16_t _transmitPin;
GPIO_TypeDef *_receivePinPort;
uint32_t _receivePinNumber;
GPIO_TypeDef *_transmitPinPort;
uint32_t _transmitPinNumber;
uint32_t _speed;
uint16_t _buffer_overflow: 1;
uint16_t _inverse_logic: 1;
uint16_t _half_duplex: 1;
uint16_t _output_pending: 1;
unsigned char _receive_buffer[_SS_MAX_RX_BUFF];
volatile uint8_t _receive_buffer_tail;
volatile uint8_t _receive_buffer_head;
uint32_t delta_start = 0;
// static data
static HardwareTimer timer;
static const IRQn_Type timer_interrupt_number;
static uint32_t timer_interrupt_priority;
static SoftwareSerial *active_listener;
static SoftwareSerial *volatile active_out;
static SoftwareSerial *volatile active_in;
static int32_t tx_tick_cnt;
static volatile int32_t rx_tick_cnt;
static uint32_t tx_buffer;
static int32_t tx_bit_cnt;
static uint32_t rx_buffer;
static int32_t rx_bit_cnt;
static uint32_t cur_speed;
// private methods
void send();
void recv();
void setTX();
void setRX();
void setSpeed(uint32_t speed);
void setRXTX(bool input);
static void handleInterrupt(HardwareTimer *timer);
public:
// public methods
SoftwareSerial(uint16_t receivePin, uint16_t transmitPin, bool inverse_logic=false);
virtual ~SoftwareSerial();
void begin(long speed);
bool listen();
void end();
bool isListening() { return active_listener == this; }
bool stopListening();
bool overflow() {
bool ret = _buffer_overflow;
if (ret) _buffer_overflow = false;
return ret;
}
int peek();
virtual size_t write(uint8_t byte);
virtual int read();
virtual int available();
virtual void flush();
operator bool() { return true; }
static void setInterruptPriority(uint32_t preemptPriority, uint32_t subPriority);
using Print::write;
};

130
Marlin/src/HAL/STM32/timers.cpp
View File

@@ -110,7 +110,6 @@
// ------------------------
HardwareTimer *timer_instance[NUM_HARDWARE_TIMERS] = { NULL };
bool timer_enabled[NUM_HARDWARE_TIMERS] = { false };
// ------------------------
// Public functions
@@ -135,6 +134,7 @@ void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
* which changes the prescaler when an IRQ frequency change is needed
* (for example when steppers are turned on)
*/
timer_instance[timer_num]->setPrescaleFactor(STEPPER_TIMER_PRESCALE); //the -1 is done internally
timer_instance[timer_num]->setOverflow(_MIN(hal_timer_t(HAL_TIMER_TYPE_MAX), (HAL_TIMER_RATE) / (STEPPER_TIMER_PRESCALE) /* /frequency */), TICK_FORMAT);
break;
@@ -145,15 +145,13 @@ void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
break;
}
// Disable preload. Leaving it default-enabled can cause the timer to stop if it happens
// to exit the ISR after the start time for the next interrupt has already passed.
timer_instance[timer_num]->setPreloadEnable(false);
HAL_timer_enable_interrupt(timer_num);
/*
* Initializes (and unfortunately starts) the timer.
* This is needed to set correct IRQ priority at the moment but causes
* no harm since every call to HAL_timer_start() is actually followed by
* a call to HAL_timer_enable_interrupt() which means that there isn't
* a case in which you want the timer to run without a callback.
*/
// Start the timer.
timer_instance[timer_num]->resume(); // First call to resume() MUST follow the attachInterrupt()
// This is fixed in Arduino_Core_STM32 1.8.
@@ -161,47 +159,34 @@ void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
// timer_instance[timer_num]->setInterruptPriority
switch (timer_num) {
case STEP_TIMER_NUM:
HAL_NVIC_SetPriority(STEP_TIMER_IRQ_NAME, STEP_TIMER_IRQ_PRIO, 0);
timer_instance[timer_num]->setInterruptPriority(STEP_TIMER_IRQ_PRIO, 0);
break;
case TEMP_TIMER_NUM:
HAL_NVIC_SetPriority(TEMP_TIMER_IRQ_NAME, TEMP_TIMER_IRQ_PRIO, 0);
timer_instance[timer_num]->setInterruptPriority(TEMP_TIMER_IRQ_PRIO, 0);
break;
}
}
}
void HAL_timer_enable_interrupt(const uint8_t timer_num) {
if (HAL_timer_initialized(timer_num) && !timer_enabled[timer_num]) {
timer_enabled[timer_num] = true;
if (HAL_timer_initialized(timer_num) && !timer_instance[timer_num]->hasInterrupt()) {
switch (timer_num) {
case STEP_TIMER_NUM:
timer_instance[timer_num]->attachInterrupt(Step_Handler);
break;
case TEMP_TIMER_NUM:
timer_instance[timer_num]->attachInterrupt(Temp_Handler);
break;
timer_instance[timer_num]->attachInterrupt(Step_Handler);
break;
case TEMP_TIMER_NUM:
timer_instance[timer_num]->attachInterrupt(Temp_Handler);
break;
}
}
}
void HAL_timer_disable_interrupt(const uint8_t timer_num) {
if (HAL_timer_interrupt_enabled(timer_num)) {
timer_instance[timer_num]->detachInterrupt();
timer_enabled[timer_num] = false;
}
if (HAL_timer_initialized(timer_num)) timer_instance[timer_num]->detachInterrupt();
}
bool HAL_timer_interrupt_enabled(const uint8_t timer_num) {
return HAL_timer_initialized(timer_num) && timer_enabled[timer_num];
}
// Only for use within the HAL
TIM_TypeDef * HAL_timer_device(const uint8_t timer_num) {
switch (timer_num) {
case STEP_TIMER_NUM: return STEP_TIMER_DEV;
case TEMP_TIMER_NUM: return TEMP_TIMER_DEV;
}
return nullptr;
return HAL_timer_initialized(timer_num) && timer_instance[timer_num]->hasInterrupt();
}
void SetTimerInterruptPriorities() {
@@ -209,4 +194,87 @@ void SetTimerInterruptPriorities() {
TERN_(HAS_SERVOS, libServo::setInterruptPriority(SERVO_TIMER_IRQ_PRIO, 0));
}
// This is a terrible hack to replicate the behavior used in the framework's SoftwareSerial.cpp
// to choose a serial timer. It will select TIM7 on most boards used by Marlin, but this is more
// resiliant to new MCUs which may not have a TIM7. Best practice is to explicitly specify
// TIMER_SERIAL to avoid relying on framework selections which may not be predictable.
#if !defined(TIMER_SERIAL)
#if defined (TIM18_BASE)
#define TIMER_SERIAL TIM18
#elif defined (TIM7_BASE)
#define TIMER_SERIAL TIM7
#elif defined (TIM6_BASE)
#define TIMER_SERIAL TIM6
#elif defined (TIM22_BASE)
#define TIMER_SERIAL TIM22
#elif defined (TIM21_BASE)
#define TIMER_SERIAL TIM21
#elif defined (TIM17_BASE)
#define TIMER_SERIAL TIM17
#elif defined (TIM16_BASE)
#define TIMER_SERIAL TIM16
#elif defined (TIM15_BASE)
#define TIMER_SERIAL TIM15
#elif defined (TIM14_BASE)
#define TIMER_SERIAL TIM14
#elif defined (TIM13_BASE)
#define TIMER_SERIAL TIM13
#elif defined (TIM11_BASE)
#define TIMER_SERIAL TIM11
#elif defined (TIM10_BASE)
#define TIMER_SERIAL TIM10
#elif defined (TIM12_BASE)
#define TIMER_SERIAL TIM12
#elif defined (TIM19_BASE)
#define TIMER_SERIAL TIM19
#elif defined (TIM9_BASE)
#define TIMER_SERIAL TIM9
#elif defined (TIM5_BASE)
#define TIMER_SERIAL TIM5
#elif defined (TIM4_BASE)
#define TIMER_SERIAL TIM4
#elif defined (TIM3_BASE)
#define TIMER_SERIAL TIM3
#elif defined (TIM2_BASE)
#define TIMER_SERIAL TIM2
#elif defined (TIM20_BASE)
#define TIMER_SERIAL TIM20
#elif defined (TIM8_BASE)
#define TIMER_SERIAL TIM8
#elif defined (TIM1_BASE)
#define TIMER_SERIAL TIM1
#else
#error No suitable timer found for SoftwareSerial, define TIMER_SERIAL in variant.h
#endif
#endif
// Place all timers used into an array, then recursively check for duplicates during compilation.
// This does not currently account for timers used for PWM, such as for fans.
// Timers are actually pointers. Convert to integers to simplify constexpr logic.
static constexpr uintptr_t timers_in_use[] = {
uintptr_t(TEMP_TIMER_DEV), // Override in pins file
uintptr_t(STEP_TIMER_DEV), // Override in pins file
#if HAS_TMC_SW_SERIAL
uintptr_t(TIMER_SERIAL), // Set in variant.h, or as a define in platformio.h if not present in variant.h
#endif
#if ENABLED(SPEAKER)
uintptr_t(TIMER_TONE), // Set in variant.h, or as a define in platformio.h if not present in variant.h
#endif
#if HAS_SERVOS
uintptr_t(TIMER_SERVO), // Set in variant.h, or as a define in platformio.h if not present in variant.h
#endif
};
static constexpr bool verify_no_duplicate_timers() {
LOOP_L_N(i, COUNT(timers_in_use))
LOOP_S_L_N(j, i + 1, COUNT(timers_in_use))
if (timers_in_use[i] == timers_in_use[j]) return false;
return true;
}
// If this assertion fails at compile time, review the timers_in_use array. If default_envs is
// defined properly in platformio.ini, VS Code can evaluate the array when hovering over it,
// making it easy to identify the conflicting timers.
static_assert(verify_no_duplicate_timers(), "One or more timer conflict detected");
#endif // ARDUINO_ARCH_STM32 && !STM32GENERIC

22
Marlin/src/HAL/STM32/timers.h
View File

@@ -30,8 +30,18 @@
#define FORCE_INLINE __attribute__((always_inline)) inline
// STM32 timers may be 16 or 32 bit. Limiting HAL_TIMER_TYPE_MAX to 16 bits
// avoids issues with STM32F0 MCUs, which seem to pause timers if UINT32_MAX
// is written to the register. STM32F4 timers do not manifest this issue,
// even when writing to 16 bit timers.
//
// The range of the timer can be queried at runtime using IS_TIM_32B_COUNTER_INSTANCE.
// This is a more expensive check than a simple compile-time constant, so its
// implementation is deferred until the desire for a 32-bit range outweighs the cost
// of adding a run-time check and HAL_TIMER_TYPE_MAX is refactored to allow unique
// values for each timer.
#define hal_timer_t uint32_t
#define HAL_TIMER_TYPE_MAX 0xFFFFFFFF // Timers can be 16 or 32 bit
#define HAL_TIMER_TYPE_MAX UINT16_MAX
#ifndef STEP_TIMER_NUM
#define STEP_TIMER_NUM 0 // Timer Index for Stepper
@@ -61,14 +71,14 @@
#define ENABLE_TEMPERATURE_INTERRUPT() HAL_timer_enable_interrupt(TEMP_TIMER_NUM)
#define DISABLE_TEMPERATURE_INTERRUPT() HAL_timer_disable_interrupt(TEMP_TIMER_NUM)
extern void Step_Handler(HardwareTimer *htim);
extern void Temp_Handler(HardwareTimer *htim);
extern void Step_Handler();
extern void Temp_Handler();
#ifndef HAL_STEP_TIMER_ISR
#define HAL_STEP_TIMER_ISR() void Step_Handler(HardwareTimer *htim)
#define HAL_STEP_TIMER_ISR() void Step_Handler()
#endif
#ifndef HAL_TEMP_TIMER_ISR
#define HAL_TEMP_TIMER_ISR() void Temp_Handler(HardwareTimer *htim)
#define HAL_TEMP_TIMER_ISR() void Temp_Handler()
#endif
// ------------------------
@@ -90,8 +100,6 @@ bool HAL_timer_interrupt_enabled(const uint8_t timer_num);
// Exposed here to allow all timer priority information to reside in timers.cpp
void SetTimerInterruptPriorities();
//TIM_TypeDef* HAL_timer_device(const uint8_t timer_num); no need to be public for now. not public = not used externally
// FORCE_INLINE because these are used in performance-critical situations
FORCE_INLINE bool HAL_timer_initialized(const uint8_t timer_num) {
return timer_instance[timer_num] != NULL;

2
Marlin/src/core/boards.h
View File

@@ -282,7 +282,7 @@
#define BOARD_STM32F103RE 4000 // STM32F103RE Libmaple-based STM32F1 controller
#define BOARD_MALYAN_M200 4001 // STM32C8T6 Libmaple-based STM32F1 controller
#define BOARD_MALYAN_M200_V2 4002 // STM32F070RB Libmaple-based STM32F0 controller
#define BOARD_MALYAN_M200_V2 4002 // STM32F070CB STM32F0 controller
#define BOARD_STM3R_MINI 4003 // STM32F103RE Libmaple-based STM32F1 controller
#define BOARD_GTM32_PRO_VB 4004 // STM32F103VET6 controller
#define BOARD_MORPHEUS 4005 // STM32F103C8 / STM32F103CB Libmaple-based STM32F1 controller

2
Marlin/src/pins/pins.h
View File

@@ -480,7 +480,7 @@
// STM32 ARM Cortex-M0
//
#elif MB(MALYAN_M200_V2)
#include "stm32f0/pins_MALYAN_M200_V2.h" // STM32F0 env:STM32F070RB_malyan
#include "stm32f0/pins_MALYAN_M200_V2.h" // STM32F0 env:STM32F070RB_malyan env:STM32F070CB_malyan
#elif MB(MALYAN_M300)
#include "stm32f0/pins_MALYAN_M300.h" // STM32F070 env:malyan_M300

2
Marlin/src/pins/stm32f4/pins_BTT_BTT002_V1_0.h
View File

@@ -21,7 +21,7 @@
*/
#pragma once
#ifndef TARGET_STM32F4
#ifndef STM32F4
#error "Oops! Select an STM32F4 board in 'Tools > Board.'"
#elif HOTENDS > 1 || E_STEPPERS > 1
#error "BIGTREE BTT002 V1.0 supports up to 1 hotends / E-steppers."

2
Marlin/src/pins/stm32f4/pins_BTT_GTR_V1_0.h
View File

@@ -21,7 +21,7 @@
*/
#pragma once
#ifndef TARGET_STM32F4
#ifndef STM32F4
#error "Oops! Select an STM32F4 board in 'Tools > Board.'"
#elif HOTENDS > 8 || E_STEPPERS > 8
#error "BIGTREE GTR V1.0 supports up to 8 hotends / E-steppers."

2
Marlin/src/pins/stm32f4/pins_BTT_SKR_PRO_common.h
View File

@@ -21,7 +21,7 @@
*/
#pragma once
#ifndef TARGET_STM32F4
#ifndef STM32F4
#error "Oops! Select an STM32F4 board in 'Tools > Board.'"
#endif

11
Marlin/src/pins/stm32f4/pins_RUMBA32_common.h
View File

@@ -42,11 +42,12 @@
// Configure Timers
// TIM6 is used for TONE
// TIM7 is used for SERVO
// TIMER_SERIAL defaults to TIM7 so we'll override it here
//
#define STEP_TIMER 10
#define TEMP_TIMER 14
#define TIMER_SERIAL TIM9
// TIMER_SERIAL defaults to TIM7 and must be overridden in the platformio.h file if SERVO will also be used.
// This will be difficult to solve from the Arduino IDE, without modifying the RUMBA32 variant
// included with the STM32 framework.
#define STEP_TIMER 10
#define TEMP_TIMER 14
#define HAL_TIMER_RATE F_CPU
//