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This commit is contained in:
Seth Tunstall 2022-10-26 17:39:48 +01:00
parent ea2b3443c4
commit 0ba7c21f35
27 changed files with 2560 additions and 5 deletions
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1
.pio/libdeps/esp32/SoftwareSerial/.piopm Normal file
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{"type": "library", "name": "SoftwareSerial", "version": "1.0.0", "spec": {"owner": "featherfly", "id": 7212, "name": "SoftwareSerial", "requirements": null, "uri": null}}

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.pio/libdeps/esp32/SoftwareSerial/SoftwareSerial.cpp Normal file
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/*
SoftwareSerial.cpp (formerly NewSoftSerial.cpp) -
Multi-instance software serial library for Arduino/Wiring
-- Interrupt-driven receive and other improvements by ladyada
(http://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 (http://www.pjrc.com)
-- 20MHz processor support by Garrett Mace (http://www.macetech.com)
-- ATmega1280/2560 support by Brett Hagman (http://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.
*/
// When set, _DEBUG co-opts pins 11 and 13 for debugging with an
// oscilloscope or logic analyzer. Beware: it also slightly modifies
// the bit times, so don't rely on it too much at high baud rates
#define _DEBUG 0
#define _DEBUG_PIN1 11
#define _DEBUG_PIN2 13
//
// Includes
//
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <Arduino.h>
#include <SoftwareSerial.h>
#if defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MKL26Z64__) || defined(__MK64FX512__) || defined(__MK66FX1M0__) || defined(__IMXRT1052__) || defined(__IMXRT1062__)
SoftwareSerial::SoftwareSerial(uint8_t rxPin, uint8_t txPin, bool inverse_logic /* = false */)
{
buffer_overflow = false;
#if defined(__IMXRT1052__) || defined(__IMXRT1062__)
if (rxPin == 0 && txPin == 1) {
port = &Serial1;
return;
} else if (rxPin == 6 && txPin == 7) {
port = &Serial2;
return;
} else if (rxPin == 14 && txPin == 15) {
port = &Serial3;
return;
} else if (rxPin == 16 && txPin == 17) {
port = &Serial4;
return;
} else if (rxPin == 21 && txPin == 20) {
port = &Serial5;
return;
} else if (rxPin == 25 && txPin == 24) {
port = &Serial6;
return;
} else if (rxPin == 28 && txPin == 29) {
port = &Serial7;
return;
}
#else
if (rxPin == 0 && txPin == 1) {
port = &Serial1;
return;
} else if (rxPin == 9 && txPin == 10) {
port = &Serial2;
return;
} else if (rxPin == 7 && txPin == 8) {
port = &Serial3;
return;
}
#endif
port = NULL;
pinMode(txPin, OUTPUT);
pinMode(rxPin, INPUT_PULLUP);
txpin = txPin;
rxpin = rxPin;
txreg = portOutputRegister(digitalPinToPort(txPin));
rxreg = portInputRegister(digitalPinToPort(rxPin));
cycles_per_bit = 0;
}
void SoftwareSerial::begin(unsigned long speed)
{
if (port) {
port->begin(speed);
} else {
cycles_per_bit = (uint32_t)(F_CPU + speed / 2) / speed;
ARM_DEMCR |= ARM_DEMCR_TRCENA;
ARM_DWT_CTRL |= ARM_DWT_CTRL_CYCCNTENA;
}
}
void SoftwareSerial::end()
{
if (port) {
port->end();
port = NULL;
} else {
pinMode(txpin, INPUT);
pinMode(rxpin, INPUT);
}
cycles_per_bit = 0;
}
// The worst case expected length of any interrupt routines. If an
// interrupt runs longer than this number of cycles, it can disrupt
// the transmit waveform. Increasing this number causes SoftwareSerial
// to hog the CPU longer, delaying all interrupt response for other
// libraries, so this should be made as small as possible but still
// ensure accurate transmit waveforms.
#define WORST_INTERRUPT_CYCLES 360
static void wait_for_target(uint32_t begin, uint32_t target)
{
if (target - (ARM_DWT_CYCCNT - begin) > WORST_INTERRUPT_CYCLES+20) {
uint32_t pretarget = target - WORST_INTERRUPT_CYCLES;
//digitalWriteFast(12, HIGH);
interrupts();
while (ARM_DWT_CYCCNT - begin < pretarget) ; // wait
noInterrupts();
//digitalWriteFast(12, LOW);
}
while (ARM_DWT_CYCCNT - begin < target) ; // wait
}
size_t SoftwareSerial::write(uint8_t b)
{
elapsedMicros elapsed;
uint32_t target;
uint8_t mask;
uint32_t begin_cycle;
// use hardware serial, if possible
if (port) return port->write(b);
if (cycles_per_bit == 0) return 0;
ARM_DEMCR |= ARM_DEMCR_TRCENA;
ARM_DWT_CTRL |= ARM_DWT_CTRL_CYCCNTENA;
// start bit
target = cycles_per_bit;
noInterrupts();
begin_cycle = ARM_DWT_CYCCNT;
*txreg = 0;
wait_for_target(begin_cycle, target);
// 8 data bits
for (mask = 1; mask; mask <<= 1) {
*txreg = (b & mask) ? 1 : 0;
target += cycles_per_bit;
wait_for_target(begin_cycle, target);
}
// stop bit
*txreg = 1;
interrupts();
target += cycles_per_bit;
while (ARM_DWT_CYCCNT - begin_cycle < target) ; // wait
return 1;
}
void SoftwareSerial::flush()
{
if (port) port->flush();
}
// TODO implement reception using pin change DMA capturing
// ARM_DWT_CYCCNT and the bitband mapped GPIO_PDIR register
// to a circular buffer (8 bytes per event... memory intensive)
int SoftwareSerial::available()
{
if (port) return port->available();
return 0;
}
int SoftwareSerial::peek()
{
if (port) return port->peek();
return -1;
}
int SoftwareSerial::read()
{
if (port) return port->read();
return -1;
}
#else
//
// Lookup table
//
typedef struct _DELAY_TABLE
{
long baud;
unsigned short rx_delay_centering;
unsigned short rx_delay_intrabit;
unsigned short rx_delay_stopbit;
unsigned short tx_delay;
} DELAY_TABLE;
#if F_CPU == 16000000
static const DELAY_TABLE PROGMEM table[] =
{
// baud rxcenter rxintra rxstop tx
{ 115200, 1, 17, 17, 12, },
{ 57600, 10, 37, 37, 33, },
{ 38400, 25, 57, 57, 54, },
{ 31250, 31, 70, 70, 68, },
{ 28800, 34, 77, 77, 74, },
{ 19200, 54, 117, 117, 114, },
{ 14400, 74, 156, 156, 153, },
{ 9600, 114, 236, 236, 233, },
{ 4800, 233, 474, 474, 471, },
{ 2400, 471, 950, 950, 947, },
{ 1200, 947, 1902, 1902, 1899, },
{ 600, 1902, 3804, 3804, 3800, },
{ 300, 3804, 7617, 7617, 7614, },
};
const int XMIT_START_ADJUSTMENT = 5;
#elif F_CPU == 8000000
static const DELAY_TABLE table[] PROGMEM =
{
// baud rxcenter rxintra rxstop tx
{ 115200, 1, 5, 5, 3, },
{ 57600, 1, 15, 15, 13, },
{ 38400, 2, 25, 26, 23, },
{ 31250, 7, 32, 33, 29, },
{ 28800, 11, 35, 35, 32, },
{ 19200, 20, 55, 55, 52, },
{ 14400, 30, 75, 75, 72, },
{ 9600, 50, 114, 114, 112, },
{ 4800, 110, 233, 233, 230, },
{ 2400, 229, 472, 472, 469, },
{ 1200, 467, 948, 948, 945, },
{ 600, 948, 1895, 1895, 1890, },
{ 300, 1895, 3805, 3805, 3802, },
};
const int XMIT_START_ADJUSTMENT = 4;
#elif F_CPU == 20000000
// 20MHz support courtesy of the good people at macegr.com.
// Thanks, Garrett!
static const DELAY_TABLE PROGMEM table[] =
{
// baud rxcenter rxintra rxstop tx
{ 115200, 3, 21, 21, 18, },
{ 57600, 20, 43, 43, 41, },
{ 38400, 37, 73, 73, 70, },
{ 31250, 45, 89, 89, 88, },
{ 28800, 46, 98, 98, 95, },
{ 19200, 71, 148, 148, 145, },
{ 14400, 96, 197, 197, 194, },
{ 9600, 146, 297, 297, 294, },
{ 4800, 296, 595, 595, 592, },
{ 2400, 592, 1189, 1189, 1186, },
{ 1200, 1187, 2379, 2379, 2376, },
{ 600, 2379, 4759, 4759, 4755, },
{ 300, 4759, 9523, 9523, 9520, },
};
const int XMIT_START_ADJUSTMENT = 6;
#else
#error This version of SoftwareSerial supports only 20, 16 and 8MHz processors
#endif
//
// Statics
//
SoftwareSerial *SoftwareSerial::active_object = 0;
char SoftwareSerial::_receive_buffer[_SS_MAX_RX_BUFF];
volatile uint8_t SoftwareSerial::_receive_buffer_tail = 0;
volatile uint8_t SoftwareSerial::_receive_buffer_head = 0;
//
// Debugging
//
// This function generates a brief pulse
// for debugging or measuring on an oscilloscope.
inline void DebugPulse(uint8_t pin, uint8_t count)
{
#if _DEBUG
volatile uint8_t *pport = portOutputRegister(digitalPinToPort(pin));
uint8_t val = *pport;
while (count--)
{
*pport = val | digitalPinToBitMask(pin);
*pport = val;
}
#endif
}
//
// Private methods
//
/* static */
inline void SoftwareSerial::tunedDelay(uint16_t delay) {
uint8_t tmp=0;
asm volatile("sbiw %0, 0x01 \n\t"
"ldi %1, 0xFF \n\t"
"cpi %A0, 0xFF \n\t"
"cpc %B0, %1 \n\t"
"brne .-10 \n\t"
: "+r" (delay), "+a" (tmp)
: "0" (delay)
);
}
// This function sets the current object as the "listening"
// one and returns true if it replaces another
bool SoftwareSerial::listen()
{
if (active_object != this)
{
_buffer_overflow = false;
uint8_t oldSREG = SREG;
cli();
_receive_buffer_head = _receive_buffer_tail = 0;
active_object = this;
SREG = oldSREG;
return true;
}
return false;
}
//
// The receive routine called by the interrupt handler
//
void SoftwareSerial::recv()
{
#if GCC_VERSION < 40302
// Work-around for avr-gcc 4.3.0 OSX version bug
// Preserve the registers that the compiler misses
// (courtesy of Arduino forum user *etracer*)
asm volatile(
"push r18 \n\t"
"push r19 \n\t"
"push r20 \n\t"
"push r21 \n\t"
"push r22 \n\t"
"push r23 \n\t"
"push r26 \n\t"
"push r27 \n\t"
::);
#endif
uint8_t d = 0;
// If RX line is high, then we don't see any start bit
// so interrupt is probably not for us
if (_inverse_logic ? rx_pin_read() : !rx_pin_read())
{
// Wait approximately 1/2 of a bit width to "center" the sample
tunedDelay(_rx_delay_centering);
DebugPulse(_DEBUG_PIN2, 1);
// Read each of the 8 bits
for (uint8_t i=0x1; i; i <<= 1)
{
tunedDelay(_rx_delay_intrabit);
DebugPulse(_DEBUG_PIN2, 1);
uint8_t noti = ~i;
if (rx_pin_read())
d |= i;
else // else clause added to ensure function timing is ~balanced
d &= noti;
}
// skip the stop bit
tunedDelay(_rx_delay_stopbit);
DebugPulse(_DEBUG_PIN2, 1);
if (_inverse_logic)
d = ~d;
// if buffer full, set the overflow flag and return
if ((_receive_buffer_tail + 1) % _SS_MAX_RX_BUFF != _receive_buffer_head)
{
// save new data in buffer: tail points to where byte goes
_receive_buffer[_receive_buffer_tail] = d; // save new byte
_receive_buffer_tail = (_receive_buffer_tail + 1) % _SS_MAX_RX_BUFF;
}
else
{
#if _DEBUG // for scope: pulse pin as overflow indictator
DebugPulse(_DEBUG_PIN1, 1);
#endif
_buffer_overflow = true;
}
}
#if GCC_VERSION < 40302
// Work-around for avr-gcc 4.3.0 OSX version bug
// Restore the registers that the compiler misses
asm volatile(
"pop r27 \n\t"
"pop r26 \n\t"
"pop r23 \n\t"
"pop r22 \n\t"
"pop r21 \n\t"
"pop r20 \n\t"
"pop r19 \n\t"
"pop r18 \n\t"
::);
#endif
}
void SoftwareSerial::tx_pin_write(uint8_t pin_state)
{
if (pin_state == LOW)
*_transmitPortRegister &= ~_transmitBitMask;
else
*_transmitPortRegister |= _transmitBitMask;
}
uint8_t SoftwareSerial::rx_pin_read()
{
return *_receivePortRegister & _receiveBitMask;
}
//
// Interrupt handling
//
/* static */
inline void SoftwareSerial::handle_interrupt()
{
if (active_object)
{
active_object->recv();
}
}
#if defined(PCINT0_vect)
ISR(PCINT0_vect)
{
SoftwareSerial::handle_interrupt();
}
#endif
#if defined(PCINT1_vect)
ISR(PCINT1_vect)
{
SoftwareSerial::handle_interrupt();
}
#endif
#if defined(PCINT2_vect)
ISR(PCINT2_vect)
{
SoftwareSerial::handle_interrupt();
}
#endif
#if defined(PCINT3_vect)
ISR(PCINT3_vect)
{
SoftwareSerial::handle_interrupt();
}
#endif
//
// Constructor
//
SoftwareSerial::SoftwareSerial(uint8_t receivePin, uint8_t transmitPin, bool inverse_logic /* = false */) :
_rx_delay_centering(0),
_rx_delay_intrabit(0),
_rx_delay_stopbit(0),
_tx_delay(0),
_buffer_overflow(false),
_inverse_logic(inverse_logic)
{
setTX(transmitPin);
setRX(receivePin);
}
//
// Destructor
//
SoftwareSerial::~SoftwareSerial()
{
end();
}
void SoftwareSerial::setTX(uint8_t tx)
{
pinMode(tx, OUTPUT);
digitalWrite(tx, HIGH);
_transmitBitMask = digitalPinToBitMask(tx);
uint8_t port = digitalPinToPort(tx);
_transmitPortRegister = portOutputRegister(port);
}
void SoftwareSerial::setRX(uint8_t rx)
{
pinMode(rx, INPUT);
if (!_inverse_logic)
digitalWrite(rx, HIGH); // pullup for normal logic!
_receivePin = rx;
_receiveBitMask = digitalPinToBitMask(rx);
uint8_t port = digitalPinToPort(rx);
_receivePortRegister = portInputRegister(port);
}
//
// Public methods
//
void SoftwareSerial::begin(long speed)
{
_rx_delay_centering = _rx_delay_intrabit = _rx_delay_stopbit = _tx_delay = 0;
for (unsigned i=0; i<sizeof(table)/sizeof(table[0]); ++i)
{
long baud = pgm_read_dword(&table[i].baud);
if (baud == speed)
{
_rx_delay_centering = pgm_read_word(&table[i].rx_delay_centering);
_rx_delay_intrabit = pgm_read_word(&table[i].rx_delay_intrabit);
_rx_delay_stopbit = pgm_read_word(&table[i].rx_delay_stopbit);
_tx_delay = pgm_read_word(&table[i].tx_delay);
break;
}
}
// Set up RX interrupts, but only if we have a valid RX baud rate
if (_rx_delay_stopbit)
{
if (digitalPinToPCICR(_receivePin))
{
*digitalPinToPCICR(_receivePin) |= _BV(digitalPinToPCICRbit(_receivePin));
*digitalPinToPCMSK(_receivePin) |= _BV(digitalPinToPCMSKbit(_receivePin));
}
tunedDelay(_tx_delay); // if we were low this establishes the end
}
#if _DEBUG
pinMode(_DEBUG_PIN1, OUTPUT);
pinMode(_DEBUG_PIN2, OUTPUT);
#endif
listen();
}
void SoftwareSerial::end()
{
if (digitalPinToPCMSK(_receivePin))
*digitalPinToPCMSK(_receivePin) &= ~_BV(digitalPinToPCMSKbit(_receivePin));
}
// Read data from buffer
int SoftwareSerial::read()
{
if (!isListening())
return -1;
// 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()
{
if (!isListening())
return 0;
return (_receive_buffer_tail + _SS_MAX_RX_BUFF - _receive_buffer_head) % _SS_MAX_RX_BUFF;
}
size_t SoftwareSerial::write(uint8_t b)
{
if (_tx_delay == 0) {
setWriteError();
return 0;
}
uint8_t oldSREG = SREG;
cli(); // turn off interrupts for a clean txmit
// Write the start bit
tx_pin_write(_inverse_logic ? HIGH : LOW);
tunedDelay(_tx_delay + XMIT_START_ADJUSTMENT);
// Write each of the 8 bits
if (_inverse_logic)
{
for (byte mask = 0x01; mask; mask <<= 1)
{
if (b & mask) // choose bit
tx_pin_write(LOW); // send 1
else
tx_pin_write(HIGH); // send 0
tunedDelay(_tx_delay);
}
tx_pin_write(LOW); // restore pin to natural state
}
else
{
for (byte mask = 0x01; mask; mask <<= 1)
{
if (b & mask) // choose bit
tx_pin_write(HIGH); // send 1
else
tx_pin_write(LOW); // send 0
tunedDelay(_tx_delay);
}
tx_pin_write(HIGH); // restore pin to natural state
}
SREG = oldSREG; // turn interrupts back on
tunedDelay(_tx_delay);
return 1;
}
void SoftwareSerial::flush()
{
if (!isListening())
return;
uint8_t oldSREG = SREG;
cli();
_receive_buffer_head = _receive_buffer_tail = 0;
SREG = oldSREG;
}
int SoftwareSerial::peek()
{
if (!isListening())
return -1;
// Empty buffer?
if (_receive_buffer_head == _receive_buffer_tail)
return -1;
// Read from "head"
return _receive_buffer[_receive_buffer_head];
}
#endif

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.pio/libdeps/esp32/SoftwareSerial/SoftwareSerial.h Normal file
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/*
SoftwareSerial.h (formerly NewSoftSerial.h) -
Multi-instance software serial library for Arduino/Wiring
-- Interrupt-driven receive and other improvements by ladyada
(http://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 (http://www.pjrc.com)
-- 20MHz processor support by Garrett Mace (http://www.macetech.com)
-- ATmega1280/2560 support by Brett Hagman (http://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.
*/
#ifndef SoftwareSerial_h
#define SoftwareSerial_h
#include <inttypes.h>
#include <Stream.h>
#include <HardwareSerial.h>
/******************************************************************************
* Definitions
******************************************************************************/
#define _SS_MAX_RX_BUFF 64 // RX buffer size
#ifndef GCC_VERSION
#define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#endif
#if defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MKL26Z64__) || defined(__MK64FX512__) || defined(__MK66FX1M0__) || defined(__IMXRT1052__) || defined(__IMXRT1062__)
class SoftwareSerial : public Stream
{
public:
SoftwareSerial(uint8_t rxPin, uint8_t txPin, bool inverse_logic = false);
~SoftwareSerial() { end(); }
void begin(unsigned long speed);
void end();
bool listen() { return true; }
bool isListening() { return true; }
bool overflow() { bool ret = buffer_overflow; buffer_overflow = false; return ret; }
virtual int available();
virtual int read();
int peek();
virtual void flush();
virtual size_t write(uint8_t byte);
using Print::write;
private:
HardwareSerial *port;
uint32_t cycles_per_bit;
#if defined(__IMXRT1052__) || defined(__IMXRT1062__)
volatile uint32_t *txreg;
volatile uint32_t *rxreg;
#else
volatile uint8_t *txreg;
volatile uint8_t *rxreg;
#endif
bool buffer_overflow;
uint8_t txpin;
uint8_t rxpin;
};
#else
class SoftwareSerial : public Stream
{
private:
// per object data
uint8_t _receivePin;
uint8_t _receiveBitMask;
volatile uint8_t *_receivePortRegister;
uint8_t _transmitBitMask;
volatile uint8_t *_transmitPortRegister;
uint16_t _rx_delay_centering;
uint16_t _rx_delay_intrabit;
uint16_t _rx_delay_stopbit;
uint16_t _tx_delay;
uint16_t _buffer_overflow:1;
uint16_t _inverse_logic:1;
// static data
static char _receive_buffer[_SS_MAX_RX_BUFF];
static volatile uint8_t _receive_buffer_tail;
static volatile uint8_t _receive_buffer_head;
static SoftwareSerial *active_object;
// private methods
void recv();
uint8_t rx_pin_read();
void tx_pin_write(uint8_t pin_state);
void setTX(uint8_t transmitPin);
void setRX(uint8_t receivePin);
// private static method for timing
static inline void tunedDelay(uint16_t delay);
public:
// public methods
SoftwareSerial(uint8_t receivePin, uint8_t transmitPin, bool inverse_logic = false);
~SoftwareSerial();
void begin(long speed);
bool listen();
void end();
bool isListening() { return this == active_object; }
bool overflow() { bool ret = _buffer_overflow; _buffer_overflow = false; return ret; }
int peek();
virtual size_t write(uint8_t byte);
virtual int read();
virtual int available();
virtual void flush();
using Print::write;
// public only for easy access by interrupt handlers
static inline void handle_interrupt();
};
// Arduino 0012 workaround
#undef int
#undef char
#undef long
#undef byte
#undef float
#undef abs
#undef round
#endif
#endif

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.pio/libdeps/esp32/SoftwareSerial/examples/SoftwareSerialExample/SoftwareSerialExample.ino Normal file
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/*
Software serial multple serial test
Receives from the hardware serial, sends to software serial.
Receives from software serial, sends to hardware serial.
The circuit:
* RX is digital pin 10 (connect to TX of other device)
* TX is digital pin 11 (connect to RX of other device)
Note:
Not all pins on the Mega and Mega 2560 support change interrupts,
so only the following can be used for RX:
10, 11, 12, 13, 50, 51, 52, 53, 62, 63, 64, 65, 66, 67, 68, 69
Not all pins on the Leonardo support change interrupts,
so only the following can be used for RX:
8, 9, 10, 11, 14 (MISO), 15 (SCK), 16 (MOSI).
created back in the mists of time
modified 25 May 2012
by Tom Igoe
based on Mikal Hart's example
This example code is in the public domain.
*/
#include <SoftwareSerial.h>
SoftwareSerial mySerial(10, 11); // RX, TX
void setup()
{
// Open serial communications and wait for port to open:
Serial.begin(57600);
while (!Serial) {
; // wait for serial port to connect. Needed for Leonardo only
}
Serial.println("Goodnight moon!");
// set the data rate for the SoftwareSerial port
mySerial.begin(4800);
mySerial.println("Hello, world?");
}
void loop() // run over and over
{
if (mySerial.available())
Serial.write(mySerial.read());
if (Serial.available())
mySerial.write(Serial.read());
}

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.pio/libdeps/esp32/SoftwareSerial/examples/TwoPortReceive/TwoPortReceive.ino Normal file
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/*
Software serial multple serial test
Receives from the two software serial ports,
sends to the hardware serial port.
In order to listen on a software port, you call port.listen().
When using two software serial ports, you have to switch ports
by listen()ing on each one in turn. Pick a logical time to switch
ports, like the end of an expected transmission, or when the
buffer is empty. This example switches ports when there is nothing
more to read from a port
The circuit:
Two devices which communicate serially are needed.
* First serial device's TX attached to digital pin 2, RX to pin 3
* Second serial device's TX attached to digital pin 4, RX to pin 5
Note:
Not all pins on the Mega and Mega 2560 support change interrupts,
so only the following can be used for RX:
10, 11, 12, 13, 50, 51, 52, 53, 62, 63, 64, 65, 66, 67, 68, 69
Not all pins on the Leonardo support change interrupts,
so only the following can be used for RX:
8, 9, 10, 11, 14 (MISO), 15 (SCK), 16 (MOSI).
created 18 Apr. 2011
modified 25 May 2012
by Tom Igoe
based on Mikal Hart's twoPortRXExample
This example code is in the public domain.
*/
#include <SoftwareSerial.h>
// software serial #1: TX = digital pin 10, RX = digital pin 11
SoftwareSerial portOne(10,11);
// software serial #2: TX = digital pin 8, RX = digital pin 9
// on the Mega, use other pins instead, since 8 and 9 don't work on the Mega
SoftwareSerial portTwo(8,9);
void setup()
{
// Open serial communications and wait for port to open:
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for Leonardo only
}
// Start each software serial port
portOne.begin(9600);
portTwo.begin(9600);
}
void loop()
{
// By default, the last intialized port is listening.
// when you want to listen on a port, explicitly select it:
portOne.listen();
Serial.println("Data from port one:");
// while there is data coming in, read it
// and send to the hardware serial port:
while (portOne.available() > 0) {
char inByte = portOne.read();
Serial.write(inByte);
}
// blank line to separate data from the two ports:
Serial.println();
// Now listen on the second port
portTwo.listen();
// while there is data coming in, read it
// and send to the hardware serial port:
Serial.println("Data from port two:");
while (portTwo.available() > 0) {
char inByte = portTwo.read();
Serial.write(inByte);
}
// blank line to separate data from the two ports:
Serial.println();
}

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.pio/libdeps/esp32/SoftwareSerial/keywords.txt Normal file
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#######################################
# Syntax Coloring Map for SoftwareSerial
# (formerly NewSoftSerial)
#######################################
#######################################
# Datatypes (KEYWORD1)
#######################################
SoftwareSerial KEYWORD1
#######################################
# Methods and Functions (KEYWORD2)
#######################################
begin KEYWORD2
end KEYWORD2
read KEYWORD2
write KEYWORD2
available KEYWORD2
isListening KEYWORD2
overflow KEYWORD2
flush KEYWORD2
listen KEYWORD2
peek KEYWORD2
#######################################
# Constants (LITERAL1)
#######################################

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.pio/libdeps/esp32/SoftwareSerial/library.json Normal file
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{
"name": "SoftwareSerial",
"keywords": "SoftwareSerial",
"description": "The SoftwareSerial library has been developed to allow serial communication, using software to replicate the functionality of the hardware UART. It is possible to have multiple software serial ports with speeds up to 115200 bps. On 32 bit Teensy boards, SoftwareSerial uses the real hardware serial ports (and is restricted to only those pins), but allows compatibility with programs that depend on SoftwareSerial.",
"repository":
{
"type": "git",
"url": "https://github.com/featherfly/SoftwareSerial.git"
},
"authors":
[
{
"name": "Arduino",
"maintainer": true,
"url": "https://www.arduino.cc"
},
{
"name": "Paul Stoffregen",
"maintainer": true
},
{
"name": "yufei",
"email": "featherfly@foxmail.com"
}
],
"dependencies": [
],
"version": "1.0",
"frameworks": "arduino",
"platforms": "*"
}

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.pio/libdeps/esp32/SoftwareSerial/library.properties Normal file
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name=SoftwareSerial
version=1.0
author=Arduino
maintainer=Paul Stoffregen
sentence=Enables serial communication on any digital pin.
paragraph=The SoftwareSerial library has been developed to allow serial communication, using software to replicate the functionality of the hardware UART. It is possible to have multiple software serial ports with speeds up to 115200 bps. On 32 bit Teensy boards, SoftwareSerial uses the real hardware serial ports (and is restricted to only those pins), but allows compatibility with programs that depend on SoftwareSerial.
category=Communication
url=http://www.arduino.cc/en/Reference/SoftwareSerial
architectures=*

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.pio/libdeps/esp32/SoftwareSerial/libray.json Normal file
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{
"name": "SoftwareSerial",
"keywords": "SoftwareSerial",
"description": "The SoftwareSerial library has been developed to allow serial communication, using software to replicate the functionality of the hardware UART. It is possible to have multiple software serial ports with speeds up to 115200 bps. On 32 bit Teensy boards, SoftwareSerial uses the real hardware serial ports (and is restricted to only those pins), but allows compatibility with programs that depend on SoftwareSerial.",
"repository":
{
"type": "git",
"url": "https://github.com/featherfly/SoftwareSerial.git"
},
"authors":
[
{
"name": "Arduino",
"maintainer": true,
"url": "https://www.arduino.cc"
},
{
"name": "Paul Stoffregen",
"maintainer": true
},
{
"name": "yufei",
"email": "featherfly@foxmail.com"
}
],
"dependencies": [
],
"version": "1.0",
"frameworks": "arduino",
"platforms": "*"
}