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Merge branch 'PORTX_HAL' of https://github.com/DCC-EX/CommandStation-EX into PORTX_HAL

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This commit is contained in:
Harald Barth 2022-08-06 19:23:57 +02:00
commit 6540ffee75
14 changed files with 491 additions and 119 deletions
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4
DCCTimer.h
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@ -85,7 +85,11 @@ private:
static int freeMemory();
static volatile int minimum_free_memory;
static const int DCC_SIGNAL_TIME=58; // this is the 58uS DCC 1-bit waveform half-cycle
#if defined(ARDUINO_ARCH_STM32) // TODO: PMA temporary hack - assumes 100Mhz F_CPU as STM32 can change frequency
static const long CLOCK_CYCLES=(100000000L / 1000000 * DCC_SIGNAL_TIME) >>1;
#else
static const long CLOCK_CYCLES=(F_CPU / 1000000 * DCC_SIGNAL_TIME) >>1;
#endif
};

118
DCCTimerSTM32.cpp Normal file
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@ -0,0 +1,118 @@
/*
* © 2022 Paul M Antoine
* © 2021 Mike S
* © 2021 Harald Barth
* © 2021 Fred Decker
* © 2021 Chris Harlow
* © 2021 David Cutting
* All rights reserved.
*
* This file is part of Asbelos DCC API
*
* This is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* It 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
*/
// ATTENTION: this file only compiles on a STM32 based boards
// Please refer to DCCTimer.h for general comments about how this class works
// This is to avoid repetition and duplication.
#ifdef ARDUINO_ARCH_STM32
#include "FSH.h" //PMA temp debug
#include "DIAG.h" //PMA temp debug
#include "DCCTimer.h"
// STM32 doesn't have Serial1 defined by default
HardwareSerial Serial1(PA10, PA15); // Rx=PA10, Tx=PA9
INTERRUPT_CALLBACK interruptHandler=0;
// Let's use STM32's timer #1 until disabused of this notion
HardwareTimer timer(TIM1);
// Timer IRQ handler
void Timer1_Handler() {
interruptHandler();
}
void DCCTimer::begin(INTERRUPT_CALLBACK callback) {
interruptHandler=callback;
noInterrupts();
timer.pause();
timer.setPrescaleFactor(1);
// timer.setOverflow(CLOCK_CYCLES * 2);
timer.setOverflow(DCC_SIGNAL_TIME * 2, MICROSEC_FORMAT);
timer.attachInterrupt(Timer1_Handler);
timer.refresh();
timer.resume();
interrupts();
}
bool DCCTimer::isPWMPin(byte pin) {
//TODO: SAMD whilst this call to digitalPinHasPWM will reveal which pins can do PWM,
// there's no support yet for High Accuracy, so for now return false
// return digitalPinHasPWM(pin);
return false;
}
void DCCTimer::setPWM(byte pin, bool high) {
// TODO: High Accuracy mode is not supported as yet, and may never need to be
(void) pin;
(void) high;
}
void DCCTimer::clearPWM() {
return;
}
void DCCTimer::getSimulatedMacAddress(byte mac[6]) {
volatile uint32_t *serno1 = (volatile uint32_t *)0x0080A00C;
volatile uint32_t *serno2 = (volatile uint32_t *)0x0080A040;
// volatile uint32_t *serno3 = (volatile uint32_t *)0x0080A044;
// volatile uint32_t *serno4 = (volatile uint32_t *)0x0080A048;
volatile uint32_t m1 = *serno1;
volatile uint32_t m2 = *serno2;
mac[0] = m1 >> 8;
mac[1] = m1 >> 0;
mac[2] = m2 >> 24;
mac[3] = m2 >> 16;
mac[4] = m2 >> 8;
mac[5] = m2 >> 0;
}
volatile int DCCTimer::minimum_free_memory=__INT_MAX__;
// Return low memory value...
int DCCTimer::getMinimumFreeMemory() {
noInterrupts(); // Disable interrupts to get volatile value
int retval = freeMemory();
interrupts();
return retval;
}
extern "C" char* sbrk(int incr);
int DCCTimer::freeMemory() {
char top;
return (int)(&top - reinterpret_cast<char *>(sbrk(0)));
}
void DCCTimer::reset() {
__disable_irq();
NVIC_SystemReset();
while(true) {};
}
#endif

16
DCCTimerTEENSY.cpp
View File

@ -88,8 +88,20 @@ void DCCTimer::getSimulatedMacAddress(byte mac[6]) {
}
#endif
volatile int DCCTimer::minimum_free_memory=__INT_MAX__;
// Return low memory value...
int DCCTimer::getMinimumFreeMemory() {
noInterrupts(); // Disable interrupts to get volatile value
int retval = freeMemory();
interrupts();
return retval;
}
extern "C" char* sbrk(int incr);
#if !defined(__IMXRT1062__)
static inline int freeMemory() {
int DCCTimer::freeMemory() {
char top;
return &top - reinterpret_cast<char*>(sbrk(0));
}
@ -110,7 +122,7 @@ static inline int freeMemory() {
#endif
#endif
static inline int freeMemory() {
int DCCTimer::freeMemory() {
extern unsigned long _ebss;
extern unsigned long _sdata;
extern unsigned long _estack;

8
FSH.h
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@ -47,6 +47,14 @@ typedef char FSH;
#define FLASH
#define strlen_P strlen
#define strcpy_P strcpy
#elif defined(ARDUINO_ARCH_STM32)
typedef __FlashStringHelper FSH;
#define GETFLASH(addr) pgm_read_byte_near(addr)
#define GETFLASHW(addr) pgm_read_word_near(addr)
#ifdef FLASH
#undef FLASH
#endif
#define FLASH PROGMEM
#else
typedef __FlashStringHelper FSH;
#define GETFLASH(addr) pgm_read_byte_near(addr)

7
I2CManager.cpp
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@ -1,5 +1,7 @@
/*
* © 2021, Neil McKechnie. All rights reserved.
* © 2022 Paul M Antoine
* © 2021, Neil McKechnie
* All rights reserved.
*
* This file is part of CommandStation-EX
*
@ -30,6 +32,9 @@
#elif defined(ARDUINO_ARCH_MEGAAVR)
#include "I2CManager_NonBlocking.h"
#include "I2CManager_Mega4809.h" // NanoEvery/UnoWifi
#elif defined(ARDUINO_ARCH_SAMD)
#include "I2CManager_NonBlocking.h"
#include "I2CManager_SAMD.h" // SAMD21 for now... SAMD51 as well later
#else
#define I2C_USE_WIRE
#include "I2CManager_Wire.h" // Other platforms

4
I2CManager.h
View File

@ -230,7 +230,11 @@ public:
private:
bool _beginCompleted = false;
bool _clockSpeedFixed = false;
#if defined(__arm__)
uint32_t _clockSpeed = 32000000L; // 3.2MHz max on SAMD and STM32
#else
uint32_t _clockSpeed = 400000L; // 400kHz max on Arduino.
#endif
// Finish off request block by waiting for completion and posting status.
uint8_t finishRB(I2CRB *rb, uint8_t status);

43
I2CManager_NonBlocking.h
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@ -1,5 +1,7 @@
/*
* © 2021, Neil McKechnie. All rights reserved.
* © 2022 Paul M Antoine
* © 2021, Neil McKechnie
* All rights reserved.
*
* This file is part of CommandStation-EX
*
@ -23,7 +25,46 @@
#include <Arduino.h>
#include "I2CManager.h"
#if defined(I2C_USE_INTERRUPTS)
// atomic.h isn't available on SAMD, and likely others too...
#if defined(__AVR__)
#include <util/atomic.h>
#elif defined(__arm__)
// Helper assembly language functions
static __inline__ uint8_t my_iSeiRetVal(void)
{
__asm__ __volatile__ ("cpsie i" ::);
return 1;
}
static __inline__ uint8_t my_iCliRetVal(void)
{
__asm__ __volatile__ ("cpsid i" ::);
return 1;
}
static __inline__ void my_iRestore(const uint32_t *__s)
{
uint32_t res = *__s;
__asm__ __volatile__ ("MSR primask, %0" : : "r" (res) );
}
static __inline__ uint32_t my_iGetIReg( void )
{
uint32_t reg;
__asm__ __volatile__ ("MRS %0, primask" : "=r" (reg) );
return reg;
}
// Macros for atomic isolation
#define MY_ATOMIC_RESTORESTATE uint32_t _sa_saved \
__attribute__((__cleanup__(my_iRestore))) = my_iGetIReg()
#define ATOMIC() \
for ( MY_ATOMIC_RESTORESTATE, _done = my_iCliRetVal(); \
_done; _done = 0 )
#define ATOMIC_BLOCK(x) ATOMIC()
#define ATOMIC_RESTORESTATE
#endif
#else
#define ATOMIC_BLOCK(x)
#define ATOMIC_RESTORESTATE

271
I2CManager_SAMD.h
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@ -1,5 +1,7 @@
/*
* © 2021, Neil McKechnie. All rights reserved.
* © 2022 Paul M Antoine
* © 2021, Neil McKechnie
* All rights reserved.
*
* This file is part of CommandStation-EX
*
@ -25,31 +27,61 @@
//#include <avr/io.h>
//#include <avr/interrupt.h>
#include <wiring_private.h>
/***************************************************************************
* Interrupt handler.
* IRQ handler for SERCOM3 which is the default I2C definition for Arduino Zero
* compatible variants such as the Sparkfun SAMD21 Dev Breakout etc.
* Later we may wish to allow use of an alternate I2C bus, or more than one I2C
* bus on the SAMD architecture
***************************************************************************/
#if defined(I2C_USE_INTERRUPTS) && defined(ARDUINO_SAMD_ZERO)
// PMA - IRQ handler, based on SERCOM3 being used for I2C, as per Arduino Zero & Sparkfun SAMD21
// TODO: test
void SERCOM3_Handler() {
I2CManagerClass::handleInterrupt();
}
#endif
// Assume SERCOM3 for now - default I2C bus on Arduino Zero and variants of same
Sercom *s = SERCOM3;
/***************************************************************************
* Set I2C clock speed register.
***************************************************************************/
void I2CManagerClass::I2C_setClock(unsigned long i2cClockSpeed) {
unsigned long temp = ((F_CPU / i2cClockSpeed) - 16) / 2;
for (uint8_t preScaler = 0; preScaler<=3; preScaler++) {
if (temp <= 255) {
TWBR = temp;
TWSR = (TWSR & 0xfc) | preScaler;
return;
} else
temp /= 4;
void I2CManagerClass::I2C_setClock(uint32_t i2cClockSpeed) {
// Calculate a rise time appropriate to the requested bus speed
int t_rise;
if (i2cClockSpeed < 200000L) {
i2cClockSpeed = 100000L;
t_rise = 1000;
} else if (i2cClockSpeed < 800000L) {
i2cClockSpeed = 400000L;
t_rise = 300;
} else if (i2cClockSpeed < 1200000L) {
i2cClockSpeed = 1000000L;
t_rise = 120;
} else {
i2cClockSpeed = 100000L;
t_rise = 1000;
}
// Set slowest speed ~= 500 bits/sec
TWBR = 255;
TWSR |= 0x03;
// Disable the I2C master mode and wait for sync
s->I2CM.CTRLA.bit.ENABLE = 0 ;
while (s->I2CM.SYNCBUSY.bit.ENABLE != 0);
// Calculate baudrate - using a rise time appropriate for the speed
s->I2CM.BAUD.bit.BAUD = SystemCoreClock / (2 * i2cClockSpeed) - 5 - (((SystemCoreClock / 1000000) * t_rise) / (2 * 1000));
// Enable the I2C master mode and wait for sync
s->I2CM.CTRLA.bit.ENABLE = 1 ;
while (s->I2CM.SYNCBUSY.bit.ENABLE != 0);
// Setting bus idle mode and wait for sync
s->I2CM.STATUS.bit.BUSSTATE = 1 ;
while (s->I2CM.SYNCBUSY.bit.SYSOP != 0);
return;
}
/***************************************************************************
@ -57,16 +89,58 @@ void I2CManagerClass::I2C_setClock(unsigned long i2cClockSpeed) {
***************************************************************************/
void I2CManagerClass::I2C_init()
{
// PMA - broadly we do the following
initialise the clock
initialise the NVIC
software reset the I2C for the sercom
set master mode
do we need smart mode and quick command??
configure interrupt handlers
enable interrupts
set default baud rate
set SDA/SCL pins as outputs and enable pullups
//Setting clock
GCLK->CLKCTRL.reg = GCLK_CLKCTRL_ID(GCM_SERCOM3_CORE) | // Generic Clock 0 (SERCOM3)
GCLK_CLKCTRL_GEN_GCLK0 | // Generic Clock Generator 0 is source
GCLK_CLKCTRL_CLKEN ;
/* Wait for peripheral clock synchronization */
while ( GCLK->STATUS.reg & GCLK_STATUS_SYNCBUSY );
// Software reset the SERCOM
s->I2CM.CTRLA.bit.SWRST = 1;
//Wait both bits Software Reset from CTRLA and SYNCBUSY are equal to 0
while(s->I2CM.CTRLA.bit.SWRST || s->I2CM.SYNCBUSY.bit.SWRST);
// Set master mode and enable SCL Clock Stretch mode (stretch after ACK bit)
s->I2CM.CTRLA.reg = SERCOM_I2CM_CTRLA_MODE( I2C_MASTER_OPERATION )/* |
SERCOM_I2CM_CTRLA_SCLSM*/ ;
// Enable Smart mode and Quick Command
s->I2CM.CTRLB.reg = SERCOM_I2CM_CTRLB_SMEN | SERCOM_I2CM_CTRLB_QCEN;
#if defined(I2C_USE_INTERRUPTS)
// Setting NVIC
NVIC_EnableIRQ(SERCOM3_IRQn);
NVIC_SetPriority (SERCOM3_IRQn, 0); /* set Priority */
// Enable all interrupts
s->I2CM.INTENSET.reg = SERCOM_I2CM_INTENSET_MB | SERCOM_I2CM_INTENSET_SB | SERCOM_I2CM_INTENSET_ERROR;
#endif
// Calculate baudrate and set default rate for now
s->I2CM.BAUD.bit.BAUD = SystemCoreClock / ( 2 * I2C_FREQ) - 7 / (2 * 1000);
// Enable the I2C master mode and wait for sync
s->I2CM.CTRLA.bit.ENABLE = 1 ;
while (s->I2CM.SYNCBUSY.bit.ENABLE != 0);
// Setting bus idle mode and wait for sync
s->I2CM.STATUS.bit.BUSSTATE = 1 ;
while (s->I2CM.SYNCBUSY.bit.SYSOP != 0);
// Set SDA/SCL pins as outputs and enable pullups, at present we assume these are
// the default ones for SERCOM3 (see assumption above)
pinPeripheral(PIN_WIRE_SDA, g_APinDescription[PIN_WIRE_SDA].ulPinType);
pinPeripheral(PIN_WIRE_SCL, g_APinDescription[PIN_WIRE_SCL].ulPinType);
// Enable the SCL and SDA pins on the sercom: includes increased driver strength,
// pull-up resistors and pin multiplexer
PORT->Group[g_APinDescription[PIN_WIRE_SCL].ulPort].PINCFG[g_APinDescription[PIN_WIRE_SCL].ulPin].reg =
PORT_PINCFG_DRVSTR | PORT_PINCFG_PULLEN | PORT_PINCFG_PMUXEN;
PORT->Group[g_APinDescription[PIN_WIRE_SDA].ulPort].PINCFG[g_APinDescription[PIN_WIRE_SDA].ulPin].reg =
PORT_PINCFG_DRVSTR | PORT_PINCFG_PULLEN | PORT_PINCFG_PMUXEN;
}
/***************************************************************************
@ -75,28 +149,36 @@ void I2CManagerClass::I2C_init()
void I2CManagerClass::I2C_sendStart() {
bytesToSend = currentRequest->writeLen;
bytesToReceive = currentRequest->readLen;
// We may have initiated a stop bit before this without waiting for it.
// Wait for stop bit to be sent before sending start.
while (TWCR & (1<<TWSTO)) {}
TWCR = (1<<TWEN)|ENABLE_TWI_INTERRUPT|(1<<TWINT)|(1<<TWEA)|(1<<TWSTA); // Send Start
while (s->I2CM.STATUS.bit.BUSSTATE == 0x2);
// If anything to send, initiate write. Otherwise initiate read.
if (operation == OPERATION_READ || ((operation == OPERATION_REQUEST) && !bytesToSend))
{
// Send start and address with read/write flag or'd in
s->I2CM.ADDR.bit.ADDR = (currentRequest->i2cAddress << 1) | 1;
}
else {
// Wait while the I2C bus is BUSY
while (s->I2CM.STATUS.bit.BUSSTATE != 0x1);
s->I2CM.ADDR.bit.ADDR = (currentRequest->i2cAddress << 1ul) | 0;
}
}
/***************************************************************************
* Initiate a stop bit for transmission (does not interrupt)
***************************************************************************/
void I2CManagerClass::I2C_sendStop() {
TWDR = 0xff; // Default condition = SDA released
TWCR = (1<<TWEN)|(1<<TWINT)|(1<<TWEA)|(1<<TWSTO); // Send Stop
s->I2CM.CTRLB.bit.CMD = 3; // Stop condition
}
/***************************************************************************
* Close I2C down
***************************************************************************/
void I2CManagerClass::I2C_close() {
// disable TWI
I2C_sendStop();
while (TWCR & (1<<TWSTO)) {}
TWCR = (1<<TWINT); // clear any interrupt and stop twi.
}
/***************************************************************************
@ -105,84 +187,57 @@ void I2CManagerClass::I2C_close() {
* (and therefore, indirectly, from I2CRB::wait() and I2CRB::isBusy()).
***************************************************************************/
void I2CManagerClass::I2C_handleInterrupt() {
if (!(TWCR & (1<<TWINT))) return; // Nothing to do.
uint8_t twsr = TWSR & 0xF8;
// Cases are ordered so that the most frequently used ones are tested first.
switch (twsr) {
case TWI_MTX_DATA_ACK: // Data byte has been transmitted and ACK received
case TWI_MTX_ADR_ACK: // SLA+W has been transmitted and ACK received
if (bytesToSend) { // Send first.
if (operation == OPERATION_SEND_P)
TWDR = GETFLASH(currentRequest->writeBuffer + (txCount++));
else
TWDR = currentRequest->writeBuffer[txCount++];
bytesToSend--;
TWCR = (1<<TWEN)|ENABLE_TWI_INTERRUPT|(1<<TWINT)|(1<<TWEA);
} else if (bytesToReceive) { // All sent, anything to receive?
while (TWCR & (1<<TWSTO)) {} // Wait for stop to be sent
TWCR = (1<<TWEN)|ENABLE_TWI_INTERRUPT|(1<<TWINT)|(1<<TWEA)|(1<<TWSTA); // Send Start
} else { // Nothing left to send or receive
TWDR = 0xff; // Default condition = SDA released
TWCR = (1<<TWEN)|(1<<TWINT)|(1<<TWEA)|(1<<TWSTO); // Send Stop
state = I2C_STATUS_OK;
}
break;
case TWI_MRX_DATA_ACK: // Data byte has been received and ACK transmitted
if (bytesToReceive > 0) {
currentRequest->readBuffer[rxCount++] = TWDR;
bytesToReceive--;
}
/* fallthrough */
case TWI_MRX_ADR_ACK: // SLA+R has been sent and ACK received
if (bytesToReceive <= 1) {
TWCR = (1<<TWEN)|ENABLE_TWI_INTERRUPT|(1<<TWINT); // Send NACK after next reception
} else {
// send ack
TWCR = (1<<TWEN)|ENABLE_TWI_INTERRUPT|(1<<TWINT)|(1<<TWEA);
}
break;
case TWI_MRX_DATA_NACK: // Data byte has been received and NACK transmitted
if (bytesToReceive > 0) {
currentRequest->readBuffer[rxCount++] = TWDR;
bytesToReceive--;
}
TWCR = (1<<TWEN)|(1<<TWINT)|(1<<TWEA)|(1<<TWSTO); // Send Stop
state = I2C_STATUS_OK;
break;
case TWI_START: // START has been transmitted
case TWI_REP_START: // Repeated START has been transmitted
// Set up address and R/W
if (operation == OPERATION_READ || (operation==OPERATION_REQUEST && !bytesToSend))
TWDR = (currentRequest->i2cAddress << 1) | 1; // SLA+R
else
TWDR = (currentRequest->i2cAddress << 1) | 0; // SLA+W
TWCR = (1<<TWEN)|ENABLE_TWI_INTERRUPT|(1<<TWINT)|(1<<TWEA);
break;
case TWI_MTX_ADR_NACK: // SLA+W has been transmitted and NACK received
case TWI_MRX_ADR_NACK: // SLA+R has been transmitted and NACK received
case TWI_MTX_DATA_NACK: // Data byte has been transmitted and NACK received
TWDR = 0xff; // Default condition = SDA released
TWCR = (1<<TWEN)|(1<<TWINT)|(1<<TWEA)|(1<<TWSTO); // Send Stop
if (s->I2CM.STATUS.bit.ARBLOST) {
// Arbitration lost, restart
I2C_sendStart(); // Reinitiate request
} else if (s->I2CM.STATUS.bit.BUSERR) {
// Bus error
state = I2C_STATUS_BUS_ERROR;
} else if (s->I2CM.INTFLAG.bit.MB) {
// Master write completed
if (s->I2CM.STATUS.bit.RXNACK) {
// Nacked, send stop.
I2C_sendStop();
state = I2C_STATUS_NEGATIVE_ACKNOWLEDGE;
break;
case TWI_ARB_LOST: // Arbitration lost
// Restart transaction from start.
I2C_sendStart();
break;
case TWI_BUS_ERROR: // Bus error due to an illegal START or STOP condition
default:
TWDR = 0xff; // Default condition = SDA released
TWCR = (1<<TWEN)|(1<<TWINT)|(1<<TWEA)|(1<<TWSTO); // Send Stop
state = I2C_STATUS_TRANSMIT_ERROR;
} else if (bytesToSend) {
// Acked, so send next byte
if (currentRequest->operation == OPERATION_SEND_P)
s->I2CM.DATA.bit.DATA = GETFLASH(currentRequest->writeBuffer + (txCount++));
else
s->I2CM.DATA.bit.DATA = currentRequest->writeBuffer[txCount++];
bytesToSend--;
} else if (bytesToReceive) {
// Last sent byte acked and no more to send. Send repeated start, address and read bit.
s->I2CM.ADDR.bit.ADDR = (currentRequest->i2cAddress << 1) | 1;
} else {
// No more data to send/receive. Initiate a STOP condition.
I2C_sendStop();
state = I2C_STATUS_OK; // Done
}
} else if (s->I2CM.INTFLAG.bit.SB) {
// Master read completed without errors
if (bytesToReceive) {
currentRequest->readBuffer[rxCount++] = s->I2CM.DATA.bit.DATA; // Store received byte
bytesToReceive--;
} else {
// Buffer full, issue nack/stop
s->I2CM.CTRLB.bit.ACKACT = 1;
I2C_sendStop();
state = I2C_STATUS_OK;
}
if (bytesToReceive) {
// PMA - I think Smart Mode means we have nothing to do...
// More bytes to receive, issue ack and start another read
}
else
{
// Transaction finished, issue NACK and STOP.
s->I2CM.CTRLB.bit.ACKACT = 1;
I2C_sendStop();
state = I2C_STATUS_OK;
}
}
}
#if defined(I2C_USE_INTERRUPTS)
ISR(TWI_vect) {
I2CManagerClass::handleInterrupt();
}
#endif
#endif /* I2CMANAGER_AVR_H */
#endif /* I2CMANAGER_SAMD_H */

2
IO_MCP23008.h
View File

@ -31,7 +31,7 @@ public:
private:
// Constructor
MCP23008(VPIN firstVpin, uint8_t nPins, uint8_t I2CAddress, int interruptPin=-1)
: GPIOBase<uint8_t>((FSH *)F("MCP23008"), firstVpin, min(nPins, 8), I2CAddress, interruptPin) {
: GPIOBase<uint8_t>((FSH *)F("MCP23008"), firstVpin, min(nPins, (uint8_t)8), I2CAddress, interruptPin) {
requestBlock.setRequestParams(_I2CAddress, inputBuffer, sizeof(inputBuffer),
outputBuffer, sizeof(outputBuffer));

2
IO_PCF8574.h
View File

@ -48,7 +48,7 @@ public:
private:
PCF8574(VPIN firstVpin, uint8_t nPins, uint8_t I2CAddress, int interruptPin=-1)
: GPIOBase<uint8_t>((FSH *)F("PCF8574"), firstVpin, min(nPins, 8), I2CAddress, interruptPin)
: GPIOBase<uint8_t>((FSH *)F("PCF8574"), firstVpin, min(nPins, (uint8_t)8), I2CAddress, interruptPin)
{
requestBlock.setReadParams(_I2CAddress, inputBuffer, 1);
}

2
MotorDriver.cpp
View File

@ -268,6 +268,8 @@ void MotorDriver::getFastPin(const FSH* type,int pin, bool input, FASTPIN & res
(void) type; // avoid compiler warning if diag not used above.
#if defined(ARDUINO_ARCH_SAMD)
PortGroup *port = digitalPinToPort(pin);
#elif defined(ARDUINO_ARCH_STM32)
GPIO_TypeDef *port = digitalPinToPort(pin);
#else
uint8_t port = digitalPinToPort(pin);
#endif

16
MotorDriver.h
View File

@ -43,6 +43,20 @@
#if defined(ARDUINO_AVR_UNO)
#define HAVE_PORTB(X) X
#endif
#if defined(ARDUINO_ARCH_SAMD)
#define PORTA REG_PORT_OUT0
#define HAVE_PORTA(X) X
#define PORTB REG_PORT_OUT1
#define HAVE_PORTB(X) X
#endif
#if defined(ARDUINO_ARCH_STM32)
#define PORTA GPIOA->ODR
#define HAVE_PORTA(X) X
#define PORTB GPIOB->ODR
#define HAVE_PORTB(X) X
#define PORTC GPIOC->ODR
#define HAVE_PORTC(X) X
#endif
// if macros not defined as pass-through we define
// them here as someting that is valid as a
@ -63,7 +77,7 @@
#define UNUSED_PIN 127 // inside int8_t
#endif
#if defined(__IMXRT1062__) || defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32) || defined(ARDUINO_ARCH_SAMD)
#if defined(__IMXRT1062__) || defined(ARDUINO_ARCH_ESP8266) || defined(ARDUINO_ARCH_ESP32) || defined(ARDUINO_ARCH_SAMD) || defined(ARDUINO_ARCH_STM32)
typedef uint32_t portreg_t;
#else
typedef uint8_t portreg_t;

60
defines.h
View File

@ -40,6 +40,7 @@
// figure out if we have enough memory for advanced features
// so define HAS_ENOUGH_MEMORY until proved otherwise.
#define HAS_ENOUGH_MEMORY
#undef USB_SERIAL // Teensy has this defined by default...
#define USB_SERIAL Serial
#if defined(ARDUINO_AVR_UNO)
@ -55,16 +56,62 @@
#elif defined(ARDUINO_ARCH_MEGAAVR)
#define ARDUINO_TYPE "MEGAAVR"
#undef HAS_ENOUGH_MEMORY
#elif defined(ARDUINO_TEENSY32)
#define ARDUINO_TYPE "TEENSY32"
#elif defined(ARDUINO_TEENSY31)
#define ARDUINO_TYPE "TEENSY3132"
#undef USB_SERIAL
#define USB_SERIAL SerialUSB
#ifndef DISABLE_EEPROM
#define DISABLE_EEPROM
#endif
// Teensy support for native I2C is awaiting development
#ifndef I2C_NO_INTERRUPTS
#define I2C_NO_INTERRUPTS
#endif
#elif defined(ARDUINO_TEENSY35)
#define ARDUINO_TYPE "TEENSY35"
#undef USB_SERIAL
#define USB_SERIAL SerialUSB
// Teensy support for I2C is awaiting development
#ifndef DISABLE_EEPROM
#define DISABLE_EEPROM
#endif
// Teensy support for native I2C is awaiting development
#ifndef I2C_NO_INTERRUPTS
#define I2C_NO_INTERRUPTS
#endif
#elif defined(ARDUINO_TEENSY36)
#define ARDUINO_TYPE "TEENSY36"
#undef USB_SERIAL
#define USB_SERIAL SerialUSB
#ifndef DISABLE_EEPROM
#define DISABLE_EEPROM
#endif
// Teensy support for native I2C is awaiting development
#ifndef I2C_NO_INTERRUPTS
#define I2C_NO_INTERRUPTS
#endif
#elif defined(ARDUINO_TEENSY40)
#define ARDUINO_TYPE "TEENSY40"
#undef USB_SERIAL
#define USB_SERIAL SerialUSB
#ifndef DISABLE_EEPROM
#define DISABLE_EEPROM
#endif
// Teensy support for native I2C is awaiting development
#ifndef I2C_NO_INTERRUPTS
#define I2C_NO_INTERRUPTS
#endif
#elif defined(ARDUINO_TEENSY41)
#define ARDUINO_TYPE "TEENSY41"
#undef USB_SERIAL
#define USB_SERIAL SerialUSB
#ifndef DISABLE_EEPROM
#define DISABLE_EEPROM
#endif
// Teensy support for native I2C is awaiting development
#ifndef I2C_NO_INTERRUPTS
#define I2C_NO_INTERRUPTS
#endif
#elif defined(ARDUINO_ARCH_ESP8266)
#define ARDUINO_TYPE "ESP8266"
#elif defined(ARDUINO_ARCH_ESP32)
@ -73,10 +120,17 @@
#define ARDUINO_TYPE "SAMD21"
#undef USB_SERIAL
#define USB_SERIAL SerialUSB
// SAMD support for I2C is awaiting development
// SAMD no EEPROM by default
#ifndef DISABLE_EEPROM
#define DISABLE_EEPROM
#endif
#elif defined(ARDUINO_ARCH_STM32)
#define ARDUINO_TYPE "STM32"
// STM32 no EEPROM by default
#ifndef DISABLE_EEPROM
#define DISABLE_EEPROM
#endif
// STM32 support for native I2C is awaiting development
#ifndef I2C_NO_INTERRUPTS
#define I2C_NO_INTERRUPTS
#endif

55
platformio.ini
View File

@ -18,6 +18,12 @@ default_envs =
samd21-dev-usb
samd21-zero-usb
ESP32
Nucleo-STM32F411RE
Teensy3.2
Teensy3.5
Teensy3.6
Teensy4.0
Teensy4.1
src_dir = .
include_dir = .
@ -165,3 +171,52 @@ board = esp32dev
framework = arduino
lib_deps = ${env.lib_deps}
build_flags = -std=c++17
[env:Nucleo-STM32F411RE]
platform = ststm32
board = nucleo_f411re
framework = arduino
lib_deps = ${env.lib_deps}
build_flags = -std=c++17 -DDISABLE_EEPROM -Os -g2
monitor_speed = 115200
monitor_echo = yes
[env:Teensy3.2]
platform = teensy
board = teensy31
framework = arduino
build_flags = -std=c++17 -DDISABLE_EEPROM -Os -g2
lib_deps = ${env.lib_deps}
lib_ignore = NativeEthernet
[env:Teensy3.5]
platform = teensy
board = teensy35
framework = arduino
build_flags = -std=c++17 -DDISABLE_EEPROM -Os -g2
lib_deps = ${env.lib_deps}
lib_ignore = NativeEthernet
[env:Teensy3.6]
platform = teensy
board = teensy36
framework = arduino
build_flags = -std=c++17 -DDISABLE_EEPROM -Os -g2
lib_deps = ${env.lib_deps}
lib_ignore = NativeEthernet
[env:Teensy4.0]
platform = teensy
board = teensy40
framework = arduino
build_flags = -std=c++17 -DDISABLE_EEPROM -Os -g2
lib_deps = ${env.lib_deps}
lib_ignore = NativeEthernet
[env:Teensy4.1]
platform = teensy
board = teensy41
framework = arduino
build_flags = -std=c++17 -DDISABLE_EEPROM -Os -g2
lib_deps = ${env.lib_deps}
lib_ignore =