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Programme Arduino spécifique

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Philippe Roy 2024-01-11 01:12:50 +01:00
parent 7ac5d4ec70
commit d1578805fb
14 changed files with 4444 additions and 4 deletions
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127
portail_coulissant/porcou-arduino/Grove_Motor_Driver_TB6612FNG.cpp Normal file
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#include "Grove_Motor_Driver_TB6612FNG.h"
MotorDriver::MotorDriver() {
}
void MotorDriver::init(uint8_t addr) {
_addr = addr;
standby();
}
void MotorDriver::standby() {
I2Cdev::writeByte(_addr, GROVE_MOTOR_DRIVER_I2C_CMD_STANDBY, 0);
delay(1);
}
void MotorDriver::notStandby() {
I2Cdev::writeByte(_addr, GROVE_MOTOR_DRIVER_I2C_CMD_NOT_STANDBY, 0);
delay(1);
}
void MotorDriver::setI2cAddr(uint8_t addr) {
if (addr == 0x00) {
return;
} else if (addr >= 0x80) {
return;
}
I2Cdev::writeByte(_addr, GROVE_MOTOR_DRIVER_I2C_CMD_SET_ADDR, addr);
_addr = addr;
delay(100);
}
void MotorDriver::dcMotorRun(motor_channel_type_t chl, int16_t speed) {
if (speed > 255) {
speed = 255;
} else if (speed < -255) {
speed = -255;
}
if (speed >= 0) {
_buffer[0] = GROVE_MOTOR_DRIVER_I2C_CMD_CW;
} else {
_buffer[0] = GROVE_MOTOR_DRIVER_I2C_CMD_CCW;
}
_buffer[1] = chl;
if (speed >= 0) {
_buffer[2] = speed;
} else {
_buffer[2] = (uint8_t)(-speed);
}
I2Cdev::writeBytes(_addr, _buffer[0], 2, _buffer + 1);
delay(1);
}
void MotorDriver::dcMotorBrake(motor_channel_type_t chl) {
I2Cdev::writeByte(_addr, GROVE_MOTOR_DRIVER_I2C_CMD_BRAKE, chl);
delay(1);
}
void MotorDriver::dcMotorStop(motor_channel_type_t chl) {
I2Cdev::writeByte(_addr, GROVE_MOTOR_DRIVER_I2C_CMD_STOP, chl);
delay(1);
}
void MotorDriver::stepperRun(stepper_mode_type_t mode, int16_t steps, uint16_t rpm) {
uint8_t cw = 0;
// 0.1ms_per_step
uint16_t ms_per_step = 0;
if (steps > 0) {
cw = 1;
}
// stop
else if (steps == 0) {
stepperStop();
return;
} else if (steps == -32768) {
steps = 32767;
} else {
steps = -steps;
}
if (rpm < 1) {
rpm = 1;
} else if (rpm > 300) {
rpm = 300;
}
ms_per_step = (uint16_t)(3000.0 / (float)rpm);
_buffer[0] = mode;
_buffer[1] = cw; //(cw=1) => cw; (cw=0) => ccw
_buffer[2] = steps;
_buffer[3] = (steps >> 8);
_buffer[4] = ms_per_step;
_buffer[5] = (ms_per_step >> 8);
I2Cdev::writeBytes(_addr, GROVE_MOTOR_DRIVER_I2C_CMD_STEPPER_RUN, 6, _buffer);
delay(1);
}
void MotorDriver::stepperStop() {
I2Cdev::writeByte(_addr, GROVE_MOTOR_DRIVER_I2C_CMD_STEPPER_STOP, 0);
delay(1);
}
void MotorDriver::stepperKeepRun(stepper_mode_type_t mode, uint16_t rpm, bool is_cw) {
// 4=>infinite ccw 5=>infinite cw
uint8_t cw = (is_cw) ? 5 : 4;
// 0.1ms_per_step
uint16_t ms_per_step = 0;
if (rpm < 1) {
rpm = 1;
} else if (rpm > 300) {
rpm = 300;
}
ms_per_step = (uint16_t)(3000.0 / (float)rpm);
_buffer[0] = mode;
_buffer[1] = cw; //(cw=1) => cw; (cw=0) => ccw
_buffer[2] = ms_per_step;
_buffer[3] = (ms_per_step >> 8);
I2Cdev::writeBytes(_addr, GROVE_MOTOR_DRIVER_I2C_CMD_STEPPER_KEEP_RUN, 4, _buffer);
delay(1);
}

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portail_coulissant/porcou-arduino/Grove_Motor_Driver_TB6612FNG.h Normal file
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/*
Grove_Motor_Driver_TB6612FNG.h
A library for the Grove - Motor Driver(TB6612FNG)
Copyright (c) 2018 seeed technology co., ltd.
Website : www.seeed.cc
Author : Jerry Yip
Create Time: 2018-06
Version : 0.1
Change Log :
The MIT License (MIT)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#ifndef __GROVE_MOTOR_DRIVER_TB6612FNG_H__
#define __GROVE_MOTOR_DRIVER_TB6612FNG_H__
#include "I2Cdev.h"
#define GROVE_MOTOR_DRIVER_DEFAULT_I2C_ADDR 0x14
#define GROVE_MOTOR_DRIVER_DEFAULT_I2C_ADDR 0x14
#define GROVE_MOTOR_DRIVER_I2C_CMD_BRAKE 0x00
#define GROVE_MOTOR_DRIVER_I2C_CMD_STOP 0x01
#define GROVE_MOTOR_DRIVER_I2C_CMD_CW 0x02
#define GROVE_MOTOR_DRIVER_I2C_CMD_CCW 0x03
#define GROVE_MOTOR_DRIVER_I2C_CMD_STANDBY 0x04
#define GROVE_MOTOR_DRIVER_I2C_CMD_NOT_STANDBY 0x05
#define GROVE_MOTOR_DRIVER_I2C_CMD_STEPPER_RUN 0x06
#define GROVE_MOTOR_DRIVER_I2C_CMD_STEPPER_STOP 0x07
#define GROVE_MOTOR_DRIVER_I2C_CMD_STEPPER_KEEP_RUN 0x08
#define GROVE_MOTOR_DRIVER_I2C_CMD_SET_ADDR 0x11
enum motor_channel_type_t {
MOTOR_CHA = 0,
MOTOR_CHB = 1,
};
enum stepper_mode_type_t {
FULL_STEP = 0,
WAVE_DRIVE = 1,
HALF_STEP = 2,
MICRO_STEPPING = 3,
};
class MotorDriver {
public:
MotorDriver();
void init(uint8_t addr = GROVE_MOTOR_DRIVER_DEFAULT_I2C_ADDR);
/*************************************************************
Description
Enter standby mode. Normally you don't need to call this, except that
you have called notStandby() before.
Parameter
Null.
Return
Null.
*************************************************************/
void standby();
/*************************************************************
Description
Exit standby mode. Motor driver does't do any action at this mode.
Parameter
Null.
Return
Null.
*************************************************************/
void notStandby();
/*************************************************************
Description
Set an new I2C address.
Parameter
addr: 0x01~0x7f
Return
Null.
*************************************************************/
void setI2cAddr(uint8_t addr);
/*************************************************************
Description
Drive a motor.
Parameter
chl: MOTOR_CHA or MOTOR_CHB
speed: -255~255, if speed > 0, motor moves clockwise.
Note that there is always a starting speed(a starting voltage) for motor.
If the input voltage is 5V, the starting speed should larger than 100 or
smaller than -100.
Return
Null.
*************************************************************/
void dcMotorRun(motor_channel_type_t chl, int16_t speed);
/*************************************************************
Description
Brake, stop the motor immediately
Parameter
chl: MOTOR_CHA or MOTOR_CHB
Return
Null.
*************************************************************/
void dcMotorBrake(motor_channel_type_t chl);
/*************************************************************
Description
Stop the motor slowly.
Parameter
chl: MOTOR_CHA or MOTOR_CHB
Return
Null.
*************************************************************/
void dcMotorStop(motor_channel_type_t chl);
/*************************************************************
Description
Drive a stepper.
Parameter
mode: 4 driver mode: FULL_STEP,WAVE_DRIVE, HALF_STEP, MICRO_STEPPING,
for more information: https://en.wikipedia.org/wiki/Stepper_motor#/media/File:Drive.png
steps: The number of steps to run, range from -32768 to 32767.
When steps = 0, the stepper stops.
When steps > 0, the stepper runs clockwise. When steps < 0, the stepper runs anticlockwise.
rpm: Revolutions per minute, the speed of a stepper, range from 1 to 300.
Note that high rpm will lead to step lose, so rpm should not be larger than 150.
Return
Null.
*************************************************************/
void stepperRun(stepper_mode_type_t mode, int16_t steps, uint16_t rpm);
/*************************************************************
Description
Stop a stepper.
Parameter
Null.
Return
Null.
*************************************************************/
void stepperStop();
// keeps moving(direction same as the last move, default to clockwise)
/*************************************************************
Description
Keep a stepper running.
Parameter
mode: 4 driver mode: FULL_STEP,WAVE_DRIVE, HALF_STEP, MICRO_STEPPING,
for more information: https://en.wikipedia.org/wiki/Stepper_motor#/media/File:Drive.png
rpm: Revolutions per minute, the speed of a stepper, range from 1 to 300.
Note that high rpm will lead to step lose, so rpm should not be larger than 150.
is_cw: Set the running direction, true for clockwise and false for anti-clockwise.
Return
Null.
*************************************************************/
void stepperKeepRun(stepper_mode_type_t mode, uint16_t rpm, bool is_cw);
private:
uint8_t _addr;
uint8_t _buffer[16];
};
#endif //__GROVE_MOTOR_DRIVER_TB6612FNG_H__

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portail_coulissant/porcou-arduino/I2CScanner/I2CScanner.ino Normal file
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// --------------------------------------
// i2c_scanner
//
// Version 1
// This program (or code that looks like it)
// can be found in many places.
// For example on the Arduino.cc forum.
// The original author is not know.
// Version 2, Juni 2012, Using Arduino 1.0.1
// Adapted to be as simple as possible by Arduino.cc user Krodal
// Version 3, Feb 26 2013
// V3 by louarnold
// Version 4, March 3, 2013, Using Arduino 1.0.3
// by Arduino.cc user Krodal.
// Changes by louarnold removed.
// Scanning addresses changed from 0...127 to 1...119,
// according to the i2c scanner by Nick Gammon
// https://www.gammon.com.au/forum/?id=10896
// Version 5, March 28, 2013
// As version 4, but address scans now to 127.
// A sensor seems to use address 120.
// Version 6, November 27, 2015.
// Added waiting for the Leonardo serial communication.
//
//
// This sketch tests the standard 7-bit addresses
// Devices with higher bit address might not be seen properly.
//
#include <Wire.h>
void setup()
{
Wire.begin();
Serial.begin(9600);
while (!Serial); // Leonardo: wait for serial monitor
Serial.println("\nI2C Scanner");
}
void loop()
{
byte error, address;
int nDevices;
Serial.println("Scanning...");
nDevices = 0;
for(address = 1; address < 127; address++ )
{
// The i2c_scanner uses the return value of
// the Write.endTransmisstion to see if
// a device did acknowledge to the address.
Wire.beginTransmission(address);
error = Wire.endTransmission();
if (error == 0)
{
Serial.print("I2C device found at address 0x");
if (address<16)
Serial.print("0");
Serial.print(address,HEX);
Serial.println(" !");
nDevices++;
}
else if (error==4)
{
Serial.print("Unknown error at address 0x");
if (address<16)
Serial.print("0");
Serial.println(address,HEX);
}
}
if (nDevices == 0)
Serial.println("No I2C devices found\n");
else
Serial.println("done\n");
delay(5000); // wait 5 seconds for next scan
}

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portail_coulissant/porcou-arduino/I2Cdev.cpp Executable file
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portail_coulissant/porcou-arduino/I2Cdev.h Executable file
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// I2Cdev library collection - Main I2C device class header file
// Abstracts bit and byte I2C R/W functions into a convenient class
// 6/9/2012 by Jeff Rowberg <jeff@rowberg.net>
//
// Changelog:
// 2012-06-09 - fix major issue with reading > 32 bytes at a time with Arduino Wire
// - add compiler warnings when using outdated or IDE or limited I2Cdev implementation
// 2011-11-01 - fix write*Bits mask calculation (thanks sasquatch @ Arduino forums)
// 2011-10-03 - added automatic Arduino version detection for ease of use
// 2011-10-02 - added Gene Knight's NBWire TwoWire class implementation with small modifications
// 2011-08-31 - added support for Arduino 1.0 Wire library (methods are different from 0.x)
// 2011-08-03 - added optional timeout parameter to read* methods to easily change from default
// 2011-08-02 - added support for 16-bit registers
// - fixed incorrect Doxygen comments on some methods
// - added timeout value for read operations (thanks mem @ Arduino forums)
// 2011-07-30 - changed read/write function structures to return success or byte counts
// - made all methods static for multi-device memory savings
// 2011-07-28 - initial release
/* ============================================
I2Cdev device library code is placed under the MIT license
Copyright (c) 2012 Jeff Rowberg
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
===============================================
*/
#ifndef _I2CDEV_H_
#define _I2CDEV_H_
// -----------------------------------------------------------------------------
// I2C interface implementation setting
// -----------------------------------------------------------------------------
#define I2CDEV_IMPLEMENTATION I2CDEV_ARDUINO_WIRE
// comment this out if you are using a non-optimal IDE/implementation setting
// but want the compiler to shut up about it
#define I2CDEV_IMPLEMENTATION_WARNINGS
// -----------------------------------------------------------------------------
// I2C interface implementation options
// -----------------------------------------------------------------------------
#define I2CDEV_ARDUINO_WIRE 1 // Wire object from Arduino
#define I2CDEV_BUILTIN_NBWIRE 2 // Tweaked Wire object from Gene Knight's NBWire project
// ^^^ NBWire implementation is still buggy w/some interrupts!
#define I2CDEV_BUILTIN_FASTWIRE 3 // FastWire object from Francesco Ferrara's project
// ^^^ FastWire implementation in I2Cdev is INCOMPLETE!
// -----------------------------------------------------------------------------
// Arduino-style "Serial.print" debug constant (uncomment to enable)
// -----------------------------------------------------------------------------
//#define I2CDEV_SERIAL_DEBUG
#ifdef ARDUINO
#if ARDUINO < 100
#include "WProgram.h"
#else
#include "Arduino.h"
#endif
#if I2CDEV_IMPLEMENTATION == I2CDEV_ARDUINO_WIRE
#include <Wire.h>
#ifndef BUFFER_LENGTH
#define BUFFER_LENGTH 32
#endif
#endif
#else
#include "ArduinoWrapper.h"
#endif
#if defined(ESP8266) || defined(ESP32)
#define min(x,y) _min(x,y)
#endif
// 1000ms default read timeout (modify with "I2Cdev::readTimeout = [ms];")
#define I2CDEV_DEFAULT_READ_TIMEOUT 1000
class I2Cdev {
public:
I2Cdev();
static int8_t readBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t* data,
uint16_t timeout = I2Cdev::readTimeout);
static int8_t readBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t* data,
uint16_t timeout = I2Cdev::readTimeout);
static int8_t readBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t* data,
uint16_t timeout = I2Cdev::readTimeout);
static int8_t readBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t* data,
uint16_t timeout = I2Cdev::readTimeout);
static int8_t readByte(uint8_t devAddr, uint8_t regAddr, uint8_t* data, uint16_t timeout = I2Cdev::readTimeout);
static int8_t readWord(uint8_t devAddr, uint8_t regAddr, uint16_t* data, uint16_t timeout = I2Cdev::readTimeout);
static int8_t readBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t* data,
uint16_t timeout = I2Cdev::readTimeout);
static int8_t readWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t* data,
uint16_t timeout = I2Cdev::readTimeout);
static bool writeBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t data);
static bool writeBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data);
static bool writeBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t data);
static bool writeBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data);
static bool writeByte(uint8_t devAddr, uint8_t regAddr, uint8_t data);
static bool writeWord(uint8_t devAddr, uint8_t regAddr, uint16_t data);
static bool writeBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t* data);
static bool writeWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t* data);
static uint16_t readTimeout;
};
#if I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_FASTWIRE
//////////////////////
// FastWire 0.2
// This is a library to help faster programs to read I2C devices.
// Copyright(C) 2011
// Francesco Ferrara
//////////////////////
/* Master */
#define TW_START 0x08
#define TW_REP_START 0x10
/* Master Transmitter */
#define TW_MT_SLA_ACK 0x18
#define TW_MT_SLA_NACK 0x20
#define TW_MT_DATA_ACK 0x28
#define TW_MT_DATA_NACK 0x30
#define TW_MT_ARB_LOST 0x38
/* Master Receiver */
#define TW_MR_ARB_LOST 0x38
#define TW_MR_SLA_ACK 0x40
#define TW_MR_SLA_NACK 0x48
#define TW_MR_DATA_ACK 0x50
#define TW_MR_DATA_NACK 0x58
#define TW_OK 0
#define TW_ERROR 1
class Fastwire {
private:
static boolean waitInt();
public:
static void setup(int khz, boolean pullup);
static byte write(byte device, byte address, byte value);
static byte readBuf(byte device, byte address, byte* data, byte num);
};
#endif
#if I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_NBWIRE
// NBWire implementation based heavily on code by Gene Knight <Gene@Telobot.com>
// Originally posted on the Arduino forum at http://arduino.cc/forum/index.php/topic,70705.0.html
// Originally offered to the i2cdevlib project at http://arduino.cc/forum/index.php/topic,68210.30.html
#define NBWIRE_BUFFER_LENGTH 32
class TwoWire {
private:
static uint8_t rxBuffer[];
static uint8_t rxBufferIndex;
static uint8_t rxBufferLength;
static uint8_t txAddress;
static uint8_t txBuffer[];
static uint8_t txBufferIndex;
static uint8_t txBufferLength;
// static uint8_t transmitting;
static void (*user_onRequest)(void);
static void (*user_onReceive)(int);
static void onRequestService(void);
static void onReceiveService(uint8_t*, int);
public:
TwoWire();
void begin();
void begin(uint8_t);
void begin(int);
void beginTransmission(uint8_t);
//void beginTransmission(int);
uint8_t endTransmission(uint16_t timeout = 0);
void nbendTransmission(void (*function)(int)) ;
uint8_t requestFrom(uint8_t, int, uint16_t timeout = 0);
//uint8_t requestFrom(int, int);
void nbrequestFrom(uint8_t, int, void (*function)(int));
void send(uint8_t);
void send(uint8_t*, uint8_t);
//void send(int);
void send(char*);
uint8_t available(void);
uint8_t receive(void);
void onReceive(void (*)(int));
void onRequest(void (*)(void));
};
#define TWI_READY 0
#define TWI_MRX 1
#define TWI_MTX 2
#define TWI_SRX 3
#define TWI_STX 4
#define TW_WRITE 0
#define TW_READ 1
#define TW_MT_SLA_NACK 0x20
#define TW_MT_DATA_NACK 0x30
#define CPU_FREQ 16000000L
#define TWI_FREQ 100000L
#define TWI_BUFFER_LENGTH 32
/* TWI Status is in TWSR, in the top 5 bits: TWS7 - TWS3 */
#define TW_STATUS_MASK (_BV(TWS7)|_BV(TWS6)|_BV(TWS5)|_BV(TWS4)|_BV(TWS3))
#define TW_STATUS (TWSR & TW_STATUS_MASK)
#define TW_START 0x08
#define TW_REP_START 0x10
#define TW_MT_SLA_ACK 0x18
#define TW_MT_SLA_NACK 0x20
#define TW_MT_DATA_ACK 0x28
#define TW_MT_DATA_NACK 0x30
#define TW_MT_ARB_LOST 0x38
#define TW_MR_ARB_LOST 0x38
#define TW_MR_SLA_ACK 0x40
#define TW_MR_SLA_NACK 0x48
#define TW_MR_DATA_ACK 0x50
#define TW_MR_DATA_NACK 0x58
#define TW_ST_SLA_ACK 0xA8
#define TW_ST_ARB_LOST_SLA_ACK 0xB0
#define TW_ST_DATA_ACK 0xB8
#define TW_ST_DATA_NACK 0xC0
#define TW_ST_LAST_DATA 0xC8
#define TW_SR_SLA_ACK 0x60
#define TW_SR_ARB_LOST_SLA_ACK 0x68
#define TW_SR_GCALL_ACK 0x70
#define TW_SR_ARB_LOST_GCALL_ACK 0x78
#define TW_SR_DATA_ACK 0x80
#define TW_SR_DATA_NACK 0x88
#define TW_SR_GCALL_DATA_ACK 0x90
#define TW_SR_GCALL_DATA_NACK 0x98
#define TW_SR_STOP 0xA0
#define TW_NO_INFO 0xF8
#define TW_BUS_ERROR 0x00
//#define _MMIO_BYTE(mem_addr) (*(volatile uint8_t *)(mem_addr))
//#define _SFR_BYTE(sfr) _MMIO_BYTE(_SFR_ADDR(sfr))
#ifndef sbi // set bit
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
#endif // sbi
#ifndef cbi // clear bit
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
#endif // cbi
extern TwoWire Wire;
#endif // I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_NBWIRE
#endif /* _I2CDEV_H_ */

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portail_coulissant/porcou-arduino/StandardFirmata/LICENSE.txt Normal file
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GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
[This is the first released version of the Lesser GPL. It also counts
as the successor of the GNU Library Public License, version 2, hence
the version number 2.1.]
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
Licenses are intended to guarantee your freedom to share and change
free software--to make sure the software is free for all its users.
This license, the Lesser General Public License, applies to some
specially designated software packages--typically libraries--of the
Free Software Foundation and other authors who decide to use it. You
can use it too, but we suggest you first think carefully about whether
this license or the ordinary General Public License is the better
strategy to use in any particular case, based on the explanations below.
When we speak of free software, we are referring to freedom of use,
not price. Our General Public Licenses are designed to make sure that
you have the freedom to distribute copies of free software (and charge
for this service if you wish); that you receive source code or can get
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@ -0,0 +1,824 @@
/*
Firmata is a generic protocol for communicating with microcontrollers
from software on a host computer. It is intended to work with
any host computer software package.
To download a host software package, please click on the following link
to open the list of Firmata client libraries in your default browser.
https://github.com/firmata/arduino#firmata-client-libraries
Copyright (C) 2006-2008 Hans-Christoph Steiner. All rights reserved.
Copyright (C) 2010-2011 Paul Stoffregen. All rights reserved.
Copyright (C) 2009 Shigeru Kobayashi. All rights reserved.
Copyright (C) 2009-2016 Jeff Hoefs. All rights reserved.
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.
See file LICENSE.txt for further informations on licensing terms.
Last updated August 17th, 2017
*/
#include <Servo.h>
#include <Wire.h>
#include <Firmata.h>
#define I2C_WRITE B00000000
#define I2C_READ B00001000
#define I2C_READ_CONTINUOUSLY B00010000
#define I2C_STOP_READING B00011000
#define I2C_READ_WRITE_MODE_MASK B00011000
#define I2C_10BIT_ADDRESS_MODE_MASK B00100000
#define I2C_END_TX_MASK B01000000
#define I2C_STOP_TX 1
#define I2C_RESTART_TX 0
#define I2C_MAX_QUERIES 8
#define I2C_REGISTER_NOT_SPECIFIED -1
// the minimum interval for sampling analog input
#define MINIMUM_SAMPLING_INTERVAL 1
/*==============================================================================
* GLOBAL VARIABLES
*============================================================================*/
#ifdef FIRMATA_SERIAL_FEATURE
SerialFirmata serialFeature;
#endif
/* analog inputs */
int analogInputsToReport = 0; // bitwise array to store pin reporting
/* digital input ports */
byte reportPINs[TOTAL_PORTS]; // 1 = report this port, 0 = silence
byte previousPINs[TOTAL_PORTS]; // previous 8 bits sent
/* pins configuration */
byte portConfigInputs[TOTAL_PORTS]; // each bit: 1 = pin in INPUT, 0 = anything else
/* timer variables */
unsigned long currentMillis; // store the current value from millis()
unsigned long previousMillis; // for comparison with currentMillis
unsigned int samplingInterval = 19; // how often to run the main loop (in ms)
/* i2c data */
struct i2c_device_info {
byte addr;
int reg;
byte bytes;
byte stopTX;
};
/* for i2c read continuous more */
i2c_device_info query[I2C_MAX_QUERIES];
byte i2cRxData[64];
boolean isI2CEnabled = false;
signed char queryIndex = -1;
// default delay time between i2c read request and Wire.requestFrom()
unsigned int i2cReadDelayTime = 0;
Servo servos[MAX_SERVOS];
byte servoPinMap[TOTAL_PINS];
byte detachedServos[MAX_SERVOS];
byte detachedServoCount = 0;
byte servoCount = 0;
boolean isResetting = false;
// Forward declare a few functions to avoid compiler errors with older versions
// of the Arduino IDE.
void setPinModeCallback(byte, int);
void reportAnalogCallback(byte analogPin, int value);
void sysexCallback(byte, byte, byte*);
/* utility functions */
void wireWrite(byte data)
{
#if ARDUINO >= 100
Wire.write((byte)data);
#else
Wire.send(data);
#endif
}
byte wireRead(void)
{
#if ARDUINO >= 100
return Wire.read();
#else
return Wire.receive();
#endif
}
/*==============================================================================
* FUNCTIONS
*============================================================================*/
void attachServo(byte pin, int minPulse, int maxPulse)
{
if (servoCount < MAX_SERVOS) {
// reuse indexes of detached servos until all have been reallocated
if (detachedServoCount > 0) {
servoPinMap[pin] = detachedServos[detachedServoCount - 1];
if (detachedServoCount > 0) detachedServoCount--;
} else {
servoPinMap[pin] = servoCount;
servoCount++;
}
if (minPulse > 0 && maxPulse > 0) {
servos[servoPinMap[pin]].attach(PIN_TO_DIGITAL(pin), minPulse, maxPulse);
} else {
servos[servoPinMap[pin]].attach(PIN_TO_DIGITAL(pin));
}
} else {
Firmata.sendString("Max servos attached");
}
}
void detachServo(byte pin)
{
servos[servoPinMap[pin]].detach();
// if we're detaching the last servo, decrement the count
// otherwise store the index of the detached servo
if (servoPinMap[pin] == servoCount && servoCount > 0) {
servoCount--;
} else if (servoCount > 0) {
// keep track of detached servos because we want to reuse their indexes
// before incrementing the count of attached servos
detachedServoCount++;
detachedServos[detachedServoCount - 1] = servoPinMap[pin];
}
servoPinMap[pin] = 255;
}
void enableI2CPins()
{
byte i;
// is there a faster way to do this? would probaby require importing
// Arduino.h to get SCL and SDA pins
for (i = 0; i < TOTAL_PINS; i++) {
if (IS_PIN_I2C(i)) {
// mark pins as i2c so they are ignore in non i2c data requests
setPinModeCallback(i, PIN_MODE_I2C);
}
}
isI2CEnabled = true;
Wire.begin();
}
/* disable the i2c pins so they can be used for other functions */
void disableI2CPins() {
isI2CEnabled = false;
// disable read continuous mode for all devices
queryIndex = -1;
}
void readAndReportData(byte address, int theRegister, byte numBytes, byte stopTX) {
// allow I2C requests that don't require a register read
// for example, some devices using an interrupt pin to signify new data available
// do not always require the register read so upon interrupt you call Wire.requestFrom()
if (theRegister != I2C_REGISTER_NOT_SPECIFIED) {
Wire.beginTransmission(address);
wireWrite((byte)theRegister);
Wire.endTransmission(stopTX); // default = true
// do not set a value of 0
if (i2cReadDelayTime > 0) {
// delay is necessary for some devices such as WiiNunchuck
delayMicroseconds(i2cReadDelayTime);
}
} else {
theRegister = 0; // fill the register with a dummy value
}
Wire.requestFrom(address, numBytes); // all bytes are returned in requestFrom
// check to be sure correct number of bytes were returned by slave
if (numBytes < Wire.available()) {
Firmata.sendString("I2C: Too many bytes received");
} else if (numBytes > Wire.available()) {
Firmata.sendString("I2C: Too few bytes received");
numBytes = Wire.available();
}
i2cRxData[0] = address;
i2cRxData[1] = theRegister;
for (int i = 0; i < numBytes && Wire.available(); i++) {
i2cRxData[2 + i] = wireRead();
}
// send slave address, register and received bytes
Firmata.sendSysex(SYSEX_I2C_REPLY, numBytes + 2, i2cRxData);
}
void outputPort(byte portNumber, byte portValue, byte forceSend)
{
// pins not configured as INPUT are cleared to zeros
portValue = portValue & portConfigInputs[portNumber];
// only send if the value is different than previously sent
if (forceSend || previousPINs[portNumber] != portValue) {
Firmata.sendDigitalPort(portNumber, portValue);
previousPINs[portNumber] = portValue;
}
}
/* -----------------------------------------------------------------------------
* check all the active digital inputs for change of state, then add any events
* to the Serial output queue using Serial.print() */
void checkDigitalInputs(void)
{
/* Using non-looping code allows constants to be given to readPort().
* The compiler will apply substantial optimizations if the inputs
* to readPort() are compile-time constants. */
if (TOTAL_PORTS > 0 && reportPINs[0]) outputPort(0, readPort(0, portConfigInputs[0]), false);
if (TOTAL_PORTS > 1 && reportPINs[1]) outputPort(1, readPort(1, portConfigInputs[1]), false);
if (TOTAL_PORTS > 2 && reportPINs[2]) outputPort(2, readPort(2, portConfigInputs[2]), false);
if (TOTAL_PORTS > 3 && reportPINs[3]) outputPort(3, readPort(3, portConfigInputs[3]), false);
if (TOTAL_PORTS > 4 && reportPINs[4]) outputPort(4, readPort(4, portConfigInputs[4]), false);
if (TOTAL_PORTS > 5 && reportPINs[5]) outputPort(5, readPort(5, portConfigInputs[5]), false);
if (TOTAL_PORTS > 6 && reportPINs[6]) outputPort(6, readPort(6, portConfigInputs[6]), false);
if (TOTAL_PORTS > 7 && reportPINs[7]) outputPort(7, readPort(7, portConfigInputs[7]), false);
if (TOTAL_PORTS > 8 && reportPINs[8]) outputPort(8, readPort(8, portConfigInputs[8]), false);
if (TOTAL_PORTS > 9 && reportPINs[9]) outputPort(9, readPort(9, portConfigInputs[9]), false);
if (TOTAL_PORTS > 10 && reportPINs[10]) outputPort(10, readPort(10, portConfigInputs[10]), false);
if (TOTAL_PORTS > 11 && reportPINs[11]) outputPort(11, readPort(11, portConfigInputs[11]), false);
if (TOTAL_PORTS > 12 && reportPINs[12]) outputPort(12, readPort(12, portConfigInputs[12]), false);
if (TOTAL_PORTS > 13 && reportPINs[13]) outputPort(13, readPort(13, portConfigInputs[13]), false);
if (TOTAL_PORTS > 14 && reportPINs[14]) outputPort(14, readPort(14, portConfigInputs[14]), false);
if (TOTAL_PORTS > 15 && reportPINs[15]) outputPort(15, readPort(15, portConfigInputs[15]), false);
}
// -----------------------------------------------------------------------------
/* sets the pin mode to the correct state and sets the relevant bits in the
* two bit-arrays that track Digital I/O and PWM status
*/
void setPinModeCallback(byte pin, int mode)
{
if (Firmata.getPinMode(pin) == PIN_MODE_IGNORE)
return;
if (Firmata.getPinMode(pin) == PIN_MODE_I2C && isI2CEnabled && mode != PIN_MODE_I2C) {
// disable i2c so pins can be used for other functions
// the following if statements should reconfigure the pins properly
disableI2CPins();
}
if (IS_PIN_DIGITAL(pin) && mode != PIN_MODE_SERVO) {
if (servoPinMap[pin] < MAX_SERVOS && servos[servoPinMap[pin]].attached()) {
detachServo(pin);
}
}
if (IS_PIN_ANALOG(pin)) {
reportAnalogCallback(PIN_TO_ANALOG(pin), mode == PIN_MODE_ANALOG ? 1 : 0); // turn on/off reporting
}
if (IS_PIN_DIGITAL(pin)) {
if (mode == INPUT || mode == PIN_MODE_PULLUP) {
portConfigInputs[pin / 8] |= (1 << (pin & 7));
} else {
portConfigInputs[pin / 8] &= ~(1 << (pin & 7));
}
}
Firmata.setPinState(pin, 0);
switch (mode) {
case PIN_MODE_ANALOG:
if (IS_PIN_ANALOG(pin)) {
if (IS_PIN_DIGITAL(pin)) {
pinMode(PIN_TO_DIGITAL(pin), INPUT); // disable output driver
#if ARDUINO <= 100
// deprecated since Arduino 1.0.1 - TODO: drop support in Firmata 2.6
digitalWrite(PIN_TO_DIGITAL(pin), LOW); // disable internal pull-ups
#endif
}
Firmata.setPinMode(pin, PIN_MODE_ANALOG);
}
break;
case INPUT:
if (IS_PIN_DIGITAL(pin)) {
pinMode(PIN_TO_DIGITAL(pin), INPUT); // disable output driver
#if ARDUINO <= 100
// deprecated since Arduino 1.0.1 - TODO: drop support in Firmata 2.6
digitalWrite(PIN_TO_DIGITAL(pin), LOW); // disable internal pull-ups
#endif
Firmata.setPinMode(pin, INPUT);
}
break;
case PIN_MODE_PULLUP:
if (IS_PIN_DIGITAL(pin)) {
pinMode(PIN_TO_DIGITAL(pin), INPUT_PULLUP);
Firmata.setPinMode(pin, PIN_MODE_PULLUP);
Firmata.setPinState(pin, 1);
}
break;
case OUTPUT:
if (IS_PIN_DIGITAL(pin)) {
if (Firmata.getPinMode(pin) == PIN_MODE_PWM) {
// Disable PWM if pin mode was previously set to PWM.
digitalWrite(PIN_TO_DIGITAL(pin), LOW);
}
pinMode(PIN_TO_DIGITAL(pin), OUTPUT);
Firmata.setPinMode(pin, OUTPUT);
}
break;
case PIN_MODE_PWM:
if (IS_PIN_PWM(pin)) {
pinMode(PIN_TO_PWM(pin), OUTPUT);
analogWrite(PIN_TO_PWM(pin), 0);
Firmata.setPinMode(pin, PIN_MODE_PWM);
}
break;
case PIN_MODE_SERVO:
if (IS_PIN_DIGITAL(pin)) {
Firmata.setPinMode(pin, PIN_MODE_SERVO);
if (servoPinMap[pin] == 255 || !servos[servoPinMap[pin]].attached()) {
// pass -1 for min and max pulse values to use default values set
// by Servo library
attachServo(pin, -1, -1);
}
}
break;
case PIN_MODE_I2C:
if (IS_PIN_I2C(pin)) {
// mark the pin as i2c
// the user must call I2C_CONFIG to enable I2C for a device
Firmata.setPinMode(pin, PIN_MODE_I2C);
}
break;
case PIN_MODE_SERIAL:
#ifdef FIRMATA_SERIAL_FEATURE
serialFeature.handlePinMode(pin, PIN_MODE_SERIAL);
#endif
break;
default:
Firmata.sendString("Unknown pin mode"); // TODO: put error msgs in EEPROM
}
// TODO: save status to EEPROM here, if changed
}
/*
* Sets the value of an individual pin. Useful if you want to set a pin value but
* are not tracking the digital port state.
* Can only be used on pins configured as OUTPUT.
* Cannot be used to enable pull-ups on Digital INPUT pins.
*/
void setPinValueCallback(byte pin, int value)
{
if (pin < TOTAL_PINS && IS_PIN_DIGITAL(pin)) {
if (Firmata.getPinMode(pin) == OUTPUT) {
Firmata.setPinState(pin, value);
digitalWrite(PIN_TO_DIGITAL(pin), value);
}
}
}
void analogWriteCallback(byte pin, int value)
{
if (pin < TOTAL_PINS) {
switch (Firmata.getPinMode(pin)) {
case PIN_MODE_SERVO:
if (IS_PIN_DIGITAL(pin))
servos[servoPinMap[pin]].write(value);
Firmata.setPinState(pin, value);
break;
case PIN_MODE_PWM:
if (IS_PIN_PWM(pin))
analogWrite(PIN_TO_PWM(pin), value);
Firmata.setPinState(pin, value);
break;
}
}
}
void digitalWriteCallback(byte port, int value)
{
byte pin, lastPin, pinValue, mask = 1, pinWriteMask = 0;
if (port < TOTAL_PORTS) {
// create a mask of the pins on this port that are writable.
lastPin = port * 8 + 8;
if (lastPin > TOTAL_PINS) lastPin = TOTAL_PINS;
for (pin = port * 8; pin < lastPin; pin++) {
// do not disturb non-digital pins (eg, Rx & Tx)
if (IS_PIN_DIGITAL(pin)) {
// do not touch pins in PWM, ANALOG, SERVO or other modes
if (Firmata.getPinMode(pin) == OUTPUT || Firmata.getPinMode(pin) == INPUT) {
pinValue = ((byte)value & mask) ? 1 : 0;
if (Firmata.getPinMode(pin) == OUTPUT) {
pinWriteMask |= mask;
} else if (Firmata.getPinMode(pin) == INPUT && pinValue == 1 && Firmata.getPinState(pin) != 1) {
// only handle INPUT here for backwards compatibility
#if ARDUINO > 100
pinMode(pin, INPUT_PULLUP);
#else
// only write to the INPUT pin to enable pullups if Arduino v1.0.0 or earlier
pinWriteMask |= mask;
#endif
}
Firmata.setPinState(pin, pinValue);
}
}
mask = mask << 1;
}
writePort(port, (byte)value, pinWriteMask);
}
}
// -----------------------------------------------------------------------------
/* sets bits in a bit array (int) to toggle the reporting of the analogIns
*/
//void FirmataClass::setAnalogPinReporting(byte pin, byte state) {
//}
void reportAnalogCallback(byte analogPin, int value)
{
if (analogPin < TOTAL_ANALOG_PINS) {
if (value == 0) {
analogInputsToReport = analogInputsToReport & ~ (1 << analogPin);
} else {
analogInputsToReport = analogInputsToReport | (1 << analogPin);
// prevent during system reset or all analog pin values will be reported
// which may report noise for unconnected analog pins
if (!isResetting) {
// Send pin value immediately. This is helpful when connected via
// ethernet, wi-fi or bluetooth so pin states can be known upon
// reconnecting.
Firmata.sendAnalog(analogPin, analogRead(analogPin));
}
}
}
// TODO: save status to EEPROM here, if changed
}
void reportDigitalCallback(byte port, int value)
{
if (port < TOTAL_PORTS) {
reportPINs[port] = (byte)value;
// Send port value immediately. This is helpful when connected via
// ethernet, wi-fi or bluetooth so pin states can be known upon
// reconnecting.
if (value) outputPort(port, readPort(port, portConfigInputs[port]), true);
}
// do not disable analog reporting on these 8 pins, to allow some
// pins used for digital, others analog. Instead, allow both types
// of reporting to be enabled, but check if the pin is configured
// as analog when sampling the analog inputs. Likewise, while
// scanning digital pins, portConfigInputs will mask off values from any
// pins configured as analog
}
/*==============================================================================
* SYSEX-BASED commands
*============================================================================*/
void sysexCallback(byte command, byte argc, byte *argv)
{
byte mode;
byte stopTX;
byte slaveAddress;
byte data;
int slaveRegister;
unsigned int delayTime;
switch (command) {
case I2C_REQUEST:
mode = argv[1] & I2C_READ_WRITE_MODE_MASK;
if (argv[1] & I2C_10BIT_ADDRESS_MODE_MASK) {
Firmata.sendString("10-bit addressing not supported");
return;
}
else {
slaveAddress = argv[0];
}
// need to invert the logic here since 0 will be default for client
// libraries that have not updated to add support for restart tx
if (argv[1] & I2C_END_TX_MASK) {
stopTX = I2C_RESTART_TX;
}
else {
stopTX = I2C_STOP_TX; // default
}
switch (mode) {
case I2C_WRITE:
Wire.beginTransmission(slaveAddress);
for (byte i = 2; i < argc; i += 2) {
data = argv[i] + (argv[i + 1] << 7);
wireWrite(data);
}
Wire.endTransmission();
delayMicroseconds(70);
break;
case I2C_READ:
if (argc == 6) {
// a slave register is specified
slaveRegister = argv[2] + (argv[3] << 7);
data = argv[4] + (argv[5] << 7); // bytes to read
}
else {
// a slave register is NOT specified
slaveRegister = I2C_REGISTER_NOT_SPECIFIED;
data = argv[2] + (argv[3] << 7); // bytes to read
}
readAndReportData(slaveAddress, (int)slaveRegister, data, stopTX);
break;
case I2C_READ_CONTINUOUSLY:
if ((queryIndex + 1) >= I2C_MAX_QUERIES) {
// too many queries, just ignore
Firmata.sendString("too many queries");
break;
}
if (argc == 6) {
// a slave register is specified
slaveRegister = argv[2] + (argv[3] << 7);
data = argv[4] + (argv[5] << 7); // bytes to read
}
else {
// a slave register is NOT specified
slaveRegister = (int)I2C_REGISTER_NOT_SPECIFIED;
data = argv[2] + (argv[3] << 7); // bytes to read
}
queryIndex++;
query[queryIndex].addr = slaveAddress;
query[queryIndex].reg = slaveRegister;
query[queryIndex].bytes = data;
query[queryIndex].stopTX = stopTX;
break;
case I2C_STOP_READING:
byte queryIndexToSkip;
// if read continuous mode is enabled for only 1 i2c device, disable
// read continuous reporting for that device
if (queryIndex <= 0) {
queryIndex = -1;
} else {
queryIndexToSkip = 0;
// if read continuous mode is enabled for multiple devices,
// determine which device to stop reading and remove it's data from
// the array, shifiting other array data to fill the space
for (byte i = 0; i < queryIndex + 1; i++) {
if (query[i].addr == slaveAddress) {
queryIndexToSkip = i;
break;
}
}
for (byte i = queryIndexToSkip; i < queryIndex + 1; i++) {
if (i < I2C_MAX_QUERIES) {
query[i].addr = query[i + 1].addr;
query[i].reg = query[i + 1].reg;
query[i].bytes = query[i + 1].bytes;
query[i].stopTX = query[i + 1].stopTX;
}
}
queryIndex--;
}
break;
default:
break;
}
break;
case I2C_CONFIG:
delayTime = (argv[0] + (argv[1] << 7));
if (argc > 1 && delayTime > 0) {
i2cReadDelayTime = delayTime;
}
if (!isI2CEnabled) {
enableI2CPins();
}
break;
case SERVO_CONFIG:
if (argc > 4) {
// these vars are here for clarity, they'll optimized away by the compiler
byte pin = argv[0];
int minPulse = argv[1] + (argv[2] << 7);
int maxPulse = argv[3] + (argv[4] << 7);
if (IS_PIN_DIGITAL(pin)) {
if (servoPinMap[pin] < MAX_SERVOS && servos[servoPinMap[pin]].attached()) {
detachServo(pin);
}
attachServo(pin, minPulse, maxPulse);
setPinModeCallback(pin, PIN_MODE_SERVO);
}
}
break;
case SAMPLING_INTERVAL:
if (argc > 1) {
samplingInterval = argv[0] + (argv[1] << 7);
if (samplingInterval < MINIMUM_SAMPLING_INTERVAL) {
samplingInterval = MINIMUM_SAMPLING_INTERVAL;
}
} else {
//Firmata.sendString("Not enough data");
}
break;
case EXTENDED_ANALOG:
if (argc > 1) {
int val = argv[1];
if (argc > 2) val |= (argv[2] << 7);
if (argc > 3) val |= (argv[3] << 14);
analogWriteCallback(argv[0], val);
}
break;
case CAPABILITY_QUERY:
Firmata.write(START_SYSEX);
Firmata.write(CAPABILITY_RESPONSE);
for (byte pin = 0; pin < TOTAL_PINS; pin++) {
if (IS_PIN_DIGITAL(pin)) {
Firmata.write((byte)INPUT);
Firmata.write(1);
Firmata.write((byte)PIN_MODE_PULLUP);
Firmata.write(1);
Firmata.write((byte)OUTPUT);
Firmata.write(1);
}
if (IS_PIN_ANALOG(pin)) {
Firmata.write(PIN_MODE_ANALOG);
Firmata.write(10); // 10 = 10-bit resolution
}
if (IS_PIN_PWM(pin)) {
Firmata.write(PIN_MODE_PWM);
Firmata.write(DEFAULT_PWM_RESOLUTION);
}
if (IS_PIN_DIGITAL(pin)) {
Firmata.write(PIN_MODE_SERVO);
Firmata.write(14);
}
if (IS_PIN_I2C(pin)) {
Firmata.write(PIN_MODE_I2C);
Firmata.write(1); // TODO: could assign a number to map to SCL or SDA
}
#ifdef FIRMATA_SERIAL_FEATURE
serialFeature.handleCapability(pin);
#endif
Firmata.write(127);
}
Firmata.write(END_SYSEX);
break;
case PIN_STATE_QUERY:
if (argc > 0) {
byte pin = argv[0];
Firmata.write(START_SYSEX);
Firmata.write(PIN_STATE_RESPONSE);
Firmata.write(pin);
if (pin < TOTAL_PINS) {
Firmata.write(Firmata.getPinMode(pin));
Firmata.write((byte)Firmata.getPinState(pin) & 0x7F);
if (Firmata.getPinState(pin) & 0xFF80) Firmata.write((byte)(Firmata.getPinState(pin) >> 7) & 0x7F);
if (Firmata.getPinState(pin) & 0xC000) Firmata.write((byte)(Firmata.getPinState(pin) >> 14) & 0x7F);
}
Firmata.write(END_SYSEX);
}
break;
case ANALOG_MAPPING_QUERY:
Firmata.write(START_SYSEX);
Firmata.write(ANALOG_MAPPING_RESPONSE);
for (byte pin = 0; pin < TOTAL_PINS; pin++) {
Firmata.write(IS_PIN_ANALOG(pin) ? PIN_TO_ANALOG(pin) : 127);
}
Firmata.write(END_SYSEX);
break;
case SERIAL_MESSAGE:
#ifdef FIRMATA_SERIAL_FEATURE
serialFeature.handleSysex(command, argc, argv);
#endif
break;
}
}
/*==============================================================================
* SETUP()
*============================================================================*/
void systemResetCallback()
{
isResetting = true;
// initialize a defalt state
// TODO: option to load config from EEPROM instead of default
#ifdef FIRMATA_SERIAL_FEATURE
serialFeature.reset();
#endif
if (isI2CEnabled) {
disableI2CPins();
}
for (byte i = 0; i < TOTAL_PORTS; i++) {
reportPINs[i] = false; // by default, reporting off
portConfigInputs[i] = 0; // until activated
previousPINs[i] = 0;
}
for (byte i = 0; i < TOTAL_PINS; i++) {
// pins with analog capability default to analog input
// otherwise, pins default to digital output
if (IS_PIN_ANALOG(i)) {
// turns off pullup, configures everything
setPinModeCallback(i, PIN_MODE_ANALOG);
} else if (IS_PIN_DIGITAL(i)) {
// sets the output to 0, configures portConfigInputs
setPinModeCallback(i, OUTPUT);
}
servoPinMap[i] = 255;
}
// by default, do not report any analog inputs
analogInputsToReport = 0;
detachedServoCount = 0;
servoCount = 0;
/* send digital inputs to set the initial state on the host computer,
* since once in the loop(), this firmware will only send on change */
/*
TODO: this can never execute, since no pins default to digital input
but it will be needed when/if we support EEPROM stored config
for (byte i=0; i < TOTAL_PORTS; i++) {
outputPort(i, readPort(i, portConfigInputs[i]), true);
}
*/
isResetting = false;
}
void setup()
{
Firmata.setFirmwareVersion(FIRMATA_FIRMWARE_MAJOR_VERSION, FIRMATA_FIRMWARE_MINOR_VERSION);
Firmata.attach(ANALOG_MESSAGE, analogWriteCallback);
Firmata.attach(DIGITAL_MESSAGE, digitalWriteCallback);
Firmata.attach(REPORT_ANALOG, reportAnalogCallback);
Firmata.attach(REPORT_DIGITAL, reportDigitalCallback);
Firmata.attach(SET_PIN_MODE, setPinModeCallback);
Firmata.attach(SET_DIGITAL_PIN_VALUE, setPinValueCallback);
Firmata.attach(START_SYSEX, sysexCallback);
Firmata.attach(SYSTEM_RESET, systemResetCallback);
// to use a port other than Serial, such as Serial1 on an Arduino Leonardo or Mega,
// Call begin(baud) on the alternate serial port and pass it to Firmata to begin like this:
// Serial1.begin(57600);
// Firmata.begin(Serial1);
// However do not do this if you are using SERIAL_MESSAGE
Firmata.begin(57600);
while (!Serial) {
; // wait for serial port to connect. Needed for ATmega32u4-based boards and Arduino 101
}
systemResetCallback(); // reset to default config
}
/*==============================================================================
* LOOP()
*============================================================================*/
void loop()
{
byte pin, analogPin;
/* DIGITALREAD - as fast as possible, check for changes and output them to the
* FTDI buffer using Serial.print() */
checkDigitalInputs();
/* STREAMREAD - processing incoming messagse as soon as possible, while still
* checking digital inputs. */
while (Firmata.available())
Firmata.processInput();
// TODO - ensure that Stream buffer doesn't go over 60 bytes
currentMillis = millis();
if (currentMillis - previousMillis > samplingInterval) {
previousMillis += samplingInterval;
/* ANALOGREAD - do all analogReads() at the configured sampling interval */
for (pin = 0; pin < TOTAL_PINS; pin++) {
if (IS_PIN_ANALOG(pin) && Firmata.getPinMode(pin) == PIN_MODE_ANALOG) {
analogPin = PIN_TO_ANALOG(pin);
if (analogInputsToReport & (1 << analogPin)) {
Firmata.sendAnalog(analogPin, analogRead(analogPin));
}
}
}
// report i2c data for all device with read continuous mode enabled
if (queryIndex > -1) {
for (byte i = 0; i < queryIndex + 1; i++) {
readAndReportData(query[i].addr, query[i].reg, query[i].bytes, query[i].stopTX);
}
}
}
#ifdef FIRMATA_SERIAL_FEATURE
serialFeature.update();
#endif
}

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#include "Grove_Motor_Driver_TB6612FNG.h"
#include <Wire.h>
MotorDriver motor;
void setup() {
// join I2C bus (I2Cdev library doesn't do this automatically)
Wire.begin();
Serial.begin(9600);
motor.init();
}
void loop() {
// drive 2 dc motors at speed=255, clockwise
Serial.println("run at speed=255");
motor.dcMotorRun(MOTOR_CHA, 255);
motor.dcMotorRun(MOTOR_CHB, 255);
delay(1000);
// brake
Serial.println("brake");
motor.dcMotorBrake(MOTOR_CHA);
motor.dcMotorBrake(MOTOR_CHB);
delay(1000);
// drive 2 dc motors at speed=200, anticlockwise
Serial.println("run at speed=-200");
motor.dcMotorRun(MOTOR_CHA, -200);
motor.dcMotorRun(MOTOR_CHB, -200);
delay(1000);
// stop 2 motors
Serial.println("stop");
motor.dcMotorStop(MOTOR_CHA);
motor.dcMotorStop(MOTOR_CHB);
delay(1000);
}

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#include "Grove_Motor_Driver_TB6612FNG.h"
#include <Wire.h>
MotorDriver motor;
void setup() {
// join I2C bus (I2Cdev library doesn't do this automatically)
Wire.begin();
Serial.begin(9600);
motor.init();
}
void loop() {
// stop 2 motors
Serial.println("stop");
motor.dcMotorStop(MOTOR_CHA);
motor.dcMotorStop(MOTOR_CHB);
delay(1000);
}

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## Bibliothèques pour Arduino
### Grove - I2C Motor Driver (TB6612FNG) :
- Wiki : https://wiki.seeedstudio.com/Grove-I2C_Motor_Driver-TB6612FNG/
- Forge : https://github.com/Seeed-Studio/Grove_Motor_Driver_TB6612FNG
- Licence : MIT Licence

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/*
Firmata is a generic protocol for communicating with microcontrollers
from software on a host computer. It is intended to work with
any host computer software package.
To download a host software package, please click on the following link
to open the list of Firmata client libraries in your default browser.
https://github.com/firmata/arduino#firmata-client-libraries
Copyright (C) 2006-2008 Hans-Christoph Steiner. All rights reserved.
Copyright (C) 2010-2011 Paul Stoffregen. All rights reserved.
Copyright (C) 2009 Shigeru Kobayashi. All rights reserved.
Copyright (C) 2009-2016 Jeff Hoefs. All rights reserved.
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.
See file LICENSE.txt for further informations on licensing terms.
Last updated August 17th, 2017
*/
#include "Grove_Motor_Driver_TB6612FNG.h"
#include <Servo.h>
#include <Wire.h>
#include <Firmata.h>
#define I2C_WRITE B00000000
#define I2C_READ B00001000
#define I2C_READ_CONTINUOUSLY B00010000
#define I2C_STOP_READING B00011000
#define I2C_READ_WRITE_MODE_MASK B00011000
#define I2C_10BIT_ADDRESS_MODE_MASK B00100000
#define I2C_END_TX_MASK B01000000
#define I2C_STOP_TX 1
#define I2C_RESTART_TX 0
#define I2C_MAX_QUERIES 8
#define I2C_REGISTER_NOT_SPECIFIED -1
// the minimum interval for sampling analog input
#define MINIMUM_SAMPLING_INTERVAL 1
/*==============================================================================
* GLOBAL VARIABLES
*============================================================================*/
#ifdef FIRMATA_SERIAL_FEATURE
SerialFirmata serialFeature;
#endif
/* analog inputs */
int analogInputsToReport = 0; // bitwise array to store pin reporting
/* digital input ports */
byte reportPINs[TOTAL_PORTS]; // 1 = report this port, 0 = silence
byte previousPINs[TOTAL_PORTS]; // previous 8 bits sent
/* pins configuration */
byte portConfigInputs[TOTAL_PORTS]; // each bit: 1 = pin in INPUT, 0 = anything else
/* timer variables */
unsigned long currentMillis; // store the current value from millis()
unsigned long previousMillis; // for comparison with currentMillis
unsigned int samplingInterval = 19; // how often to run the main loop (in ms)
/* i2c data */
struct i2c_device_info {
byte addr;
int reg;
byte bytes;
byte stopTX;
};
/* for i2c read continuous more */
i2c_device_info query[I2C_MAX_QUERIES];
byte i2cRxData[64];
boolean isI2CEnabled = false;
signed char queryIndex = -1;
// default delay time between i2c read request and Wire.requestFrom()
unsigned int i2cReadDelayTime = 0;
Servo servos[MAX_SERVOS];
byte servoPinMap[TOTAL_PINS];
byte detachedServos[MAX_SERVOS];
byte detachedServoCount = 0;
byte servoCount = 0;
boolean isResetting = false;
MotorDriver motor;
// Forward declare a few functions to avoid compiler errors with older versions
// of the Arduino IDE.
void setPinModeCallback(byte, int);
void reportAnalogCallback(byte analogPin, int value);
void sysexCallback(byte, byte, byte*);
/* utility functions */
void wireWrite(byte data)
{
#if ARDUINO >= 100
Wire.write((byte)data);
#else
Wire.send(data);
#endif
}
byte wireRead(void)
{
#if ARDUINO >= 100
return Wire.read();
#else
return Wire.receive();
#endif
}
/*==============================================================================
* FUNCTIONS
*============================================================================*/
void attachServo(byte pin, int minPulse, int maxPulse)
{
if (servoCount < MAX_SERVOS) {
// reuse indexes of detached servos until all have been reallocated
if (detachedServoCount > 0) {
servoPinMap[pin] = detachedServos[detachedServoCount - 1];
if (detachedServoCount > 0) detachedServoCount--;
} else {
servoPinMap[pin] = servoCount;
servoCount++;
}
if (minPulse > 0 && maxPulse > 0) {
servos[servoPinMap[pin]].attach(PIN_TO_DIGITAL(pin), minPulse, maxPulse);
} else {
servos[servoPinMap[pin]].attach(PIN_TO_DIGITAL(pin));
}
} else {
Firmata.sendString("Max servos attached");
}
}
void detachServo(byte pin)
{
servos[servoPinMap[pin]].detach();
// if we're detaching the last servo, decrement the count
// otherwise store the index of the detached servo
if (servoPinMap[pin] == servoCount && servoCount > 0) {
servoCount--;
} else if (servoCount > 0) {
// keep track of detached servos because we want to reuse their indexes
// before incrementing the count of attached servos
detachedServoCount++;
detachedServos[detachedServoCount - 1] = servoPinMap[pin];
}
servoPinMap[pin] = 255;
}
void enableI2CPins()
{
byte i;
// is there a faster way to do this? would probaby require importing
// Arduino.h to get SCL and SDA pins
for (i = 0; i < TOTAL_PINS; i++) {
if (IS_PIN_I2C(i)) {
// mark pins as i2c so they are ignore in non i2c data requests
setPinModeCallback(i, PIN_MODE_I2C);
}
}
isI2CEnabled = true;
Wire.begin();
}
/* disable the i2c pins so they can be used for other functions */
void disableI2CPins() {
isI2CEnabled = false;
// disable read continuous mode for all devices
queryIndex = -1;
}
void readAndReportData(byte address, int theRegister, byte numBytes, byte stopTX) {
// allow I2C requests that don't require a register read
// for example, some devices using an interrupt pin to signify new data available
// do not always require the register read so upon interrupt you call Wire.requestFrom()
if (theRegister != I2C_REGISTER_NOT_SPECIFIED) {
Wire.beginTransmission(address);
wireWrite((byte)theRegister);
Wire.endTransmission(stopTX); // default = true
// do not set a value of 0
if (i2cReadDelayTime > 0) {
// delay is necessary for some devices such as WiiNunchuck
delayMicroseconds(i2cReadDelayTime);
}
} else {
theRegister = 0; // fill the register with a dummy value
}
Wire.requestFrom(address, numBytes); // all bytes are returned in requestFrom
// check to be sure correct number of bytes were returned by slave
if (numBytes < Wire.available()) {
Firmata.sendString("I2C: Too many bytes received");
} else if (numBytes > Wire.available()) {
Firmata.sendString("I2C: Too few bytes received");
numBytes = Wire.available();
}
i2cRxData[0] = address;
i2cRxData[1] = theRegister;
for (int i = 0; i < numBytes && Wire.available(); i++) {
i2cRxData[2 + i] = wireRead();
}
// send slave address, register and received bytes
Firmata.sendSysex(SYSEX_I2C_REPLY, numBytes + 2, i2cRxData);
}
void outputPort(byte portNumber, byte portValue, byte forceSend)
{
// pins not configured as INPUT are cleared to zeros
portValue = portValue & portConfigInputs[portNumber];
// only send if the value is different than previously sent
if (forceSend || previousPINs[portNumber] != portValue) {
Firmata.sendDigitalPort(portNumber, portValue);
previousPINs[portNumber] = portValue;
}
}
/* -----------------------------------------------------------------------------
* check all the active digital inputs for change of state, then add any events
* to the Serial output queue using Serial.print() */
void checkDigitalInputs(void)
{
/* Using non-looping code allows constants to be given to readPort().
* The compiler will apply substantial optimizations if the inputs
* to readPort() are compile-time constants. */
if (TOTAL_PORTS > 0 && reportPINs[0]) outputPort(0, readPort(0, portConfigInputs[0]), false);
if (TOTAL_PORTS > 1 && reportPINs[1]) outputPort(1, readPort(1, portConfigInputs[1]), false);
if (TOTAL_PORTS > 2 && reportPINs[2]) outputPort(2, readPort(2, portConfigInputs[2]), false);
if (TOTAL_PORTS > 3 && reportPINs[3]) outputPort(3, readPort(3, portConfigInputs[3]), false);
if (TOTAL_PORTS > 4 && reportPINs[4]) outputPort(4, readPort(4, portConfigInputs[4]), false);
if (TOTAL_PORTS > 5 && reportPINs[5]) outputPort(5, readPort(5, portConfigInputs[5]), false);
if (TOTAL_PORTS > 6 && reportPINs[6]) outputPort(6, readPort(6, portConfigInputs[6]), false);
if (TOTAL_PORTS > 7 && reportPINs[7]) outputPort(7, readPort(7, portConfigInputs[7]), false);
if (TOTAL_PORTS > 8 && reportPINs[8]) outputPort(8, readPort(8, portConfigInputs[8]), false);
if (TOTAL_PORTS > 9 && reportPINs[9]) outputPort(9, readPort(9, portConfigInputs[9]), false);
if (TOTAL_PORTS > 10 && reportPINs[10]) outputPort(10, readPort(10, portConfigInputs[10]), false);
if (TOTAL_PORTS > 11 && reportPINs[11]) outputPort(11, readPort(11, portConfigInputs[11]), false);
if (TOTAL_PORTS > 12 && reportPINs[12]) outputPort(12, readPort(12, portConfigInputs[12]), false);
if (TOTAL_PORTS > 13 && reportPINs[13]) outputPort(13, readPort(13, portConfigInputs[13]), false);
if (TOTAL_PORTS > 14 && reportPINs[14]) outputPort(14, readPort(14, portConfigInputs[14]), false);
if (TOTAL_PORTS > 15 && reportPINs[15]) outputPort(15, readPort(15, portConfigInputs[15]), false);
}
// -----------------------------------------------------------------------------
/* sets the pin mode to the correct state and sets the relevant bits in the
* two bit-arrays that track Digital I/O and PWM status
*/
void setPinModeCallback(byte pin, int mode)
{
if (Firmata.getPinMode(pin) == PIN_MODE_IGNORE)
return;
if (Firmata.getPinMode(pin) == PIN_MODE_I2C && isI2CEnabled && mode != PIN_MODE_I2C) {
// disable i2c so pins can be used for other functions
// the following if statements should reconfigure the pins properly
disableI2CPins();
}
if (IS_PIN_DIGITAL(pin) && mode != PIN_MODE_SERVO) {
if (servoPinMap[pin] < MAX_SERVOS && servos[servoPinMap[pin]].attached()) {
detachServo(pin);
}
}
if (IS_PIN_ANALOG(pin)) {
reportAnalogCallback(PIN_TO_ANALOG(pin), mode == PIN_MODE_ANALOG ? 1 : 0); // turn on/off reporting
}
if (IS_PIN_DIGITAL(pin)) {
if (mode == INPUT || mode == PIN_MODE_PULLUP) {
portConfigInputs[pin / 8] |= (1 << (pin & 7));
} else {
portConfigInputs[pin / 8] &= ~(1 << (pin & 7));
}
}
Firmata.setPinState(pin, 0);
switch (mode) {
case PIN_MODE_ANALOG:
if (IS_PIN_ANALOG(pin)) {
if (IS_PIN_DIGITAL(pin)) {
pinMode(PIN_TO_DIGITAL(pin), INPUT); // disable output driver
#if ARDUINO <= 100
// deprecated since Arduino 1.0.1 - TODO: drop support in Firmata 2.6
digitalWrite(PIN_TO_DIGITAL(pin), LOW); // disable internal pull-ups
#endif
}
Firmata.setPinMode(pin, PIN_MODE_ANALOG);
}
break;
case INPUT:
if (IS_PIN_DIGITAL(pin)) {
pinMode(PIN_TO_DIGITAL(pin), INPUT); // disable output driver
#if ARDUINO <= 100
// deprecated since Arduino 1.0.1 - TODO: drop support in Firmata 2.6
digitalWrite(PIN_TO_DIGITAL(pin), LOW); // disable internal pull-ups
#endif
Firmata.setPinMode(pin, INPUT);
}
break;
case PIN_MODE_PULLUP:
if (IS_PIN_DIGITAL(pin)) {
pinMode(PIN_TO_DIGITAL(pin), INPUT_PULLUP);
Firmata.setPinMode(pin, PIN_MODE_PULLUP);
Firmata.setPinState(pin, 1);
}
break;
case OUTPUT:
if (IS_PIN_DIGITAL(pin)) {
if (Firmata.getPinMode(pin) == PIN_MODE_PWM) {
// Disable PWM if pin mode was previously set to PWM.
digitalWrite(PIN_TO_DIGITAL(pin), LOW);
}
pinMode(PIN_TO_DIGITAL(pin), OUTPUT);
Firmata.setPinMode(pin, OUTPUT);
}
break;
case PIN_MODE_PWM:
if (IS_PIN_PWM(pin)) {
pinMode(PIN_TO_PWM(pin), OUTPUT);
analogWrite(PIN_TO_PWM(pin), 0);
Firmata.setPinMode(pin, PIN_MODE_PWM);
}
break;
case PIN_MODE_SERVO:
if (IS_PIN_DIGITAL(pin)) {
Firmata.setPinMode(pin, PIN_MODE_SERVO);
if (servoPinMap[pin] == 255 || !servos[servoPinMap[pin]].attached()) {
// pass -1 for min and max pulse values to use default values set
// by Servo library
attachServo(pin, -1, -1);
}
}
break;
case PIN_MODE_I2C:
if (IS_PIN_I2C(pin)) {
// mark the pin as i2c
// the user must call I2C_CONFIG to enable I2C for a device
Firmata.setPinMode(pin, PIN_MODE_I2C);
}
break;
case PIN_MODE_SERIAL:
#ifdef FIRMATA_SERIAL_FEATURE
serialFeature.handlePinMode(pin, PIN_MODE_SERIAL);
#endif
break;
default:
Firmata.sendString("Unknown pin mode"); // TODO: put error msgs in EEPROM
}
// TODO: save status to EEPROM here, if changed
}
/*
* Sets the value of an individual pin. Useful if you want to set a pin value but
* are not tracking the digital port state.
* Can only be used on pins configured as OUTPUT.
* Cannot be used to enable pull-ups on Digital INPUT pins.
*/
void setPinValueCallback(byte pin, int value)
{
if (pin < TOTAL_PINS && IS_PIN_DIGITAL(pin)) {
if (Firmata.getPinMode(pin) == OUTPUT) {
Firmata.setPinState(pin, value);
digitalWrite(PIN_TO_DIGITAL(pin), value);
// Gestion des moteurs (ajout : porcou-arduino.ino)
if (digitalRead(2) == LOW && digitalRead(3) == LOW) {
motor.dcMotorStop(MOTOR_CHA);
/* Serial.println("motor.dcMotorStop(MOTOR_CHA);"); */
/* motor.dcMotorBrake(MOTOR_CHA); */
}
if (digitalRead(2) == HIGH && digitalRead(3) == HIGH) {
motor.dcMotorStop(MOTOR_CHA);
/* Serial.println("motor.dcMotorStop(MOTOR_CHA);"); */
}
if (digitalRead(2) == HIGH && digitalRead(3) == LOW) {
motor.dcMotorRun(MOTOR_CHA, 255);
/* Serial.println("motor.dcMotorRun(MOTOR_CHA, 255);"); */
}
if (digitalRead(2) == LOW && digitalRead(3) == HIGH) {
motor.dcMotorRun(MOTOR_CHA, -255);
/* Serial.println("motor.dcMotorRun(MOTOR_CHA, -255);"); */
}
}
}
}
void analogWriteCallback(byte pin, int value)
{
if (pin < TOTAL_PINS) {
switch (Firmata.getPinMode(pin)) {
case PIN_MODE_SERVO:
if (IS_PIN_DIGITAL(pin))
servos[servoPinMap[pin]].write(value);
Firmata.setPinState(pin, value);
break;
case PIN_MODE_PWM:
if (IS_PIN_PWM(pin))
analogWrite(PIN_TO_PWM(pin), value);
Firmata.setPinState(pin, value);
break;
}
}
}
void digitalWriteCallback(byte port, int value)
{
byte pin, lastPin, pinValue, mask = 1, pinWriteMask = 0;
if (port < TOTAL_PORTS) {
// create a mask of the pins on this port that are writable.
lastPin = port * 8 + 8;
if (lastPin > TOTAL_PINS) lastPin = TOTAL_PINS;
for (pin = port * 8; pin < lastPin; pin++) {
// do not disturb non-digital pins (eg, Rx & Tx)
if (IS_PIN_DIGITAL(pin)) {
// do not touch pins in PWM, ANALOG, SERVO or other modes
if (Firmata.getPinMode(pin) == OUTPUT || Firmata.getPinMode(pin) == INPUT) {
pinValue = ((byte)value & mask) ? 1 : 0;
if (Firmata.getPinMode(pin) == OUTPUT) {
pinWriteMask |= mask;
} else if (Firmata.getPinMode(pin) == INPUT && pinValue == 1 && Firmata.getPinState(pin) != 1) {
// only handle INPUT here for backwards compatibility
#if ARDUINO > 100
pinMode(pin, INPUT_PULLUP);
#else
// only write to the INPUT pin to enable pullups if Arduino v1.0.0 or earlier
pinWriteMask |= mask;
#endif
}
Firmata.setPinState(pin, pinValue);
}
}
mask = mask << 1;
}
writePort(port, (byte)value, pinWriteMask);
}
}
// -----------------------------------------------------------------------------
/* sets bits in a bit array (int) to toggle the reporting of the analogIns
*/
//void FirmataClass::setAnalogPinReporting(byte pin, byte state) {
//}
void reportAnalogCallback(byte analogPin, int value)
{
if (analogPin < TOTAL_ANALOG_PINS) {
if (value == 0) {
analogInputsToReport = analogInputsToReport & ~ (1 << analogPin);
} else {
analogInputsToReport = analogInputsToReport | (1 << analogPin);
// prevent during system reset or all analog pin values will be reported
// which may report noise for unconnected analog pins
if (!isResetting) {
// Send pin value immediately. This is helpful when connected via
// ethernet, wi-fi or bluetooth so pin states can be known upon
// reconnecting.
Firmata.sendAnalog(analogPin, analogRead(analogPin));
}
}
}
// TODO: save status to EEPROM here, if changed
}
void reportDigitalCallback(byte port, int value)
{
if (port < TOTAL_PORTS) {
reportPINs[port] = (byte)value;
// Send port value immediately. This is helpful when connected via
// ethernet, wi-fi or bluetooth so pin states can be known upon
// reconnecting.
if (value) outputPort(port, readPort(port, portConfigInputs[port]), true);
}
// do not disable analog reporting on these 8 pins, to allow some
// pins used for digital, others analog. Instead, allow both types
// of reporting to be enabled, but check if the pin is configured
// as analog when sampling the analog inputs. Likewise, while
// scanning digital pins, portConfigInputs will mask off values from any
// pins configured as analog
}
/*==============================================================================
* SYSEX-BASED commands
*============================================================================*/
void sysexCallback(byte command, byte argc, byte *argv)
{
byte mode;
byte stopTX;
byte slaveAddress;
byte data;
int slaveRegister;
unsigned int delayTime;
switch (command) {
case I2C_REQUEST:
mode = argv[1] & I2C_READ_WRITE_MODE_MASK;
if (argv[1] & I2C_10BIT_ADDRESS_MODE_MASK) {
Firmata.sendString("10-bit addressing not supported");
return;
}
else {
slaveAddress = argv[0];
}
// need to invert the logic here since 0 will be default for client
// libraries that have not updated to add support for restart tx
if (argv[1] & I2C_END_TX_MASK) {
stopTX = I2C_RESTART_TX;
}
else {
stopTX = I2C_STOP_TX; // default
}
switch (mode) {
case I2C_WRITE:
Wire.beginTransmission(slaveAddress);
for (byte i = 2; i < argc; i += 2) {
data = argv[i] + (argv[i + 1] << 7);
wireWrite(data);
}
Wire.endTransmission();
delayMicroseconds(70);
break;
case I2C_READ:
if (argc == 6) {
// a slave register is specified
slaveRegister = argv[2] + (argv[3] << 7);
data = argv[4] + (argv[5] << 7); // bytes to read
}
else {
// a slave register is NOT specified
slaveRegister = I2C_REGISTER_NOT_SPECIFIED;
data = argv[2] + (argv[3] << 7); // bytes to read
}
readAndReportData(slaveAddress, (int)slaveRegister, data, stopTX);
break;
case I2C_READ_CONTINUOUSLY:
if ((queryIndex + 1) >= I2C_MAX_QUERIES) {
// too many queries, just ignore
Firmata.sendString("too many queries");
break;
}
if (argc == 6) {
// a slave register is specified
slaveRegister = argv[2] + (argv[3] << 7);
data = argv[4] + (argv[5] << 7); // bytes to read
}
else {
// a slave register is NOT specified
slaveRegister = (int)I2C_REGISTER_NOT_SPECIFIED;
data = argv[2] + (argv[3] << 7); // bytes to read
}
queryIndex++;
query[queryIndex].addr = slaveAddress;
query[queryIndex].reg = slaveRegister;
query[queryIndex].bytes = data;
query[queryIndex].stopTX = stopTX;
break;
case I2C_STOP_READING:
byte queryIndexToSkip;
// if read continuous mode is enabled for only 1 i2c device, disable
// read continuous reporting for that device
if (queryIndex <= 0) {
queryIndex = -1;
} else {
queryIndexToSkip = 0;
// if read continuous mode is enabled for multiple devices,
// determine which device to stop reading and remove it's data from
// the array, shifiting other array data to fill the space
for (byte i = 0; i < queryIndex + 1; i++) {
if (query[i].addr == slaveAddress) {
queryIndexToSkip = i;
break;
}
}
for (byte i = queryIndexToSkip; i < queryIndex + 1; i++) {
if (i < I2C_MAX_QUERIES) {
query[i].addr = query[i + 1].addr;
query[i].reg = query[i + 1].reg;
query[i].bytes = query[i + 1].bytes;
query[i].stopTX = query[i + 1].stopTX;
}
}
queryIndex--;
}
break;
default:
break;
}
break;
case I2C_CONFIG:
delayTime = (argv[0] + (argv[1] << 7));
if (argc > 1 && delayTime > 0) {
i2cReadDelayTime = delayTime;
}
if (!isI2CEnabled) {
enableI2CPins();
}
break;
case SERVO_CONFIG:
if (argc > 4) {
// these vars are here for clarity, they'll optimized away by the compiler
byte pin = argv[0];
int minPulse = argv[1] + (argv[2] << 7);
int maxPulse = argv[3] + (argv[4] << 7);
if (IS_PIN_DIGITAL(pin)) {
if (servoPinMap[pin] < MAX_SERVOS && servos[servoPinMap[pin]].attached()) {
detachServo(pin);
}
attachServo(pin, minPulse, maxPulse);
setPinModeCallback(pin, PIN_MODE_SERVO);
}
}
break;
case SAMPLING_INTERVAL:
if (argc > 1) {
samplingInterval = argv[0] + (argv[1] << 7);
if (samplingInterval < MINIMUM_SAMPLING_INTERVAL) {
samplingInterval = MINIMUM_SAMPLING_INTERVAL;
}
} else {
//Firmata.sendString("Not enough data");
}
break;
case EXTENDED_ANALOG:
if (argc > 1) {
int val = argv[1];
if (argc > 2) val |= (argv[2] << 7);
if (argc > 3) val |= (argv[3] << 14);
analogWriteCallback(argv[0], val);
}
break;
case CAPABILITY_QUERY:
Firmata.write(START_SYSEX);
Firmata.write(CAPABILITY_RESPONSE);
for (byte pin = 0; pin < TOTAL_PINS; pin++) {
if (IS_PIN_DIGITAL(pin)) {
Firmata.write((byte)INPUT);
Firmata.write(1);
Firmata.write((byte)PIN_MODE_PULLUP);
Firmata.write(1);
Firmata.write((byte)OUTPUT);
Firmata.write(1);
}
if (IS_PIN_ANALOG(pin)) {
Firmata.write(PIN_MODE_ANALOG);
Firmata.write(10); // 10 = 10-bit resolution
}
if (IS_PIN_PWM(pin)) {
Firmata.write(PIN_MODE_PWM);
Firmata.write(DEFAULT_PWM_RESOLUTION);
}
if (IS_PIN_DIGITAL(pin)) {
Firmata.write(PIN_MODE_SERVO);
Firmata.write(14);
}
if (IS_PIN_I2C(pin)) {
Firmata.write(PIN_MODE_I2C);
Firmata.write(1); // TODO: could assign a number to map to SCL or SDA
}
#ifdef FIRMATA_SERIAL_FEATURE
serialFeature.handleCapability(pin);
#endif
Firmata.write(127);
}
Firmata.write(END_SYSEX);
break;
case PIN_STATE_QUERY:
if (argc > 0) {
byte pin = argv[0];
Firmata.write(START_SYSEX);
Firmata.write(PIN_STATE_RESPONSE);
Firmata.write(pin);
if (pin < TOTAL_PINS) {
Firmata.write(Firmata.getPinMode(pin));
Firmata.write((byte)Firmata.getPinState(pin) & 0x7F);
if (Firmata.getPinState(pin) & 0xFF80) Firmata.write((byte)(Firmata.getPinState(pin) >> 7) & 0x7F);
if (Firmata.getPinState(pin) & 0xC000) Firmata.write((byte)(Firmata.getPinState(pin) >> 14) & 0x7F);
}
Firmata.write(END_SYSEX);
}
break;
case ANALOG_MAPPING_QUERY:
Firmata.write(START_SYSEX);
Firmata.write(ANALOG_MAPPING_RESPONSE);
for (byte pin = 0; pin < TOTAL_PINS; pin++) {
Firmata.write(IS_PIN_ANALOG(pin) ? PIN_TO_ANALOG(pin) : 127);
}
Firmata.write(END_SYSEX);
break;
case SERIAL_MESSAGE:
#ifdef FIRMATA_SERIAL_FEATURE
serialFeature.handleSysex(command, argc, argv);
#endif
break;
}
}
/*==============================================================================
* SETUP()
*============================================================================*/
void systemResetCallback()
{
isResetting = true;
// initialize a defalt state
// TODO: option to load config from EEPROM instead of default
#ifdef FIRMATA_SERIAL_FEATURE
serialFeature.reset();
#endif
if (isI2CEnabled) {
disableI2CPins();
}
for (byte i = 0; i < TOTAL_PORTS; i++) {
reportPINs[i] = false; // by default, reporting off
portConfigInputs[i] = 0; // until activated
previousPINs[i] = 0;
}
for (byte i = 0; i < TOTAL_PINS; i++) {
// pins with analog capability default to analog input
// otherwise, pins default to digital output
if (IS_PIN_ANALOG(i)) {
// turns off pullup, configures everything
setPinModeCallback(i, PIN_MODE_ANALOG);
} else if (IS_PIN_DIGITAL(i)) {
// sets the output to 0, configures portConfigInputs
setPinModeCallback(i, OUTPUT);
}
servoPinMap[i] = 255;
}
// by default, do not report any analog inputs
analogInputsToReport = 0;
detachedServoCount = 0;
servoCount = 0;
/* send digital inputs to set the initial state on the host computer,
* since once in the loop(), this firmware will only send on change */
/*
TODO: this can never execute, since no pins default to digital input
but it will be needed when/if we support EEPROM stored config
for (byte i=0; i < TOTAL_PORTS; i++) {
outputPort(i, readPort(i, portConfigInputs[i]), true);
}
*/
isResetting = false;
}
void setup()
{
Firmata.setFirmwareVersion(FIRMATA_FIRMWARE_MAJOR_VERSION, FIRMATA_FIRMWARE_MINOR_VERSION);
Firmata.attach(ANALOG_MESSAGE, analogWriteCallback);
Firmata.attach(DIGITAL_MESSAGE, digitalWriteCallback);
Firmata.attach(REPORT_ANALOG, reportAnalogCallback);
Firmata.attach(REPORT_DIGITAL, reportDigitalCallback);
Firmata.attach(SET_PIN_MODE, setPinModeCallback);
Firmata.attach(SET_DIGITAL_PIN_VALUE, setPinValueCallback);
Firmata.attach(START_SYSEX, sysexCallback);
Firmata.attach(SYSTEM_RESET, systemResetCallback);
// to use a port other than Serial, such as Serial1 on an Arduino Leonardo or Mega,
// Call begin(baud) on the alternate serial port and pass it to Firmata to begin like this:
// Serial1.begin(57600);
// Firmata.begin(Serial1);
// However do not do this if you are using SERIAL_MESSAGE
Firmata.begin(57600);
while (!Serial) {
; // wait for serial port to connect. Needed for ATmega32u4-based boards and Arduino 101
}
systemResetCallback(); // reset to default config
motor.init(); // Gestion des moteurs (porcou-arduino.ino)
}
/*==============================================================================
* LOOP()
*============================================================================*/
void loop()
{
byte pin, analogPin;
/* DIGITALREAD - as fast as possible, check for changes and output them to the
* FTDI buffer using Serial.print() */
checkDigitalInputs();
/* STREAMREAD - processing incoming messagse as soon as possible, while still
* checking digital inputs. */
while (Firmata.available())
Firmata.processInput();
// TODO - ensure that Stream buffer doesn't go over 60 bytes
currentMillis = millis();
if (currentMillis - previousMillis > samplingInterval) {
previousMillis += samplingInterval;
/* ANALOGREAD - do all analogReads() at the configured sampling interval */
for (pin = 0; pin < TOTAL_PINS; pin++) {
if (IS_PIN_ANALOG(pin) && Firmata.getPinMode(pin) == PIN_MODE_ANALOG) {
analogPin = PIN_TO_ANALOG(pin);
if (analogInputsToReport & (1 << analogPin)) {
Firmata.sendAnalog(analogPin, analogRead(analogPin));
}
}
}
// report i2c data for all device with read continuous mode enabled
if (queryIndex > -1) {
for (byte i = 0; i < queryIndex + 1; i++) {
readAndReportData(query[i].addr, query[i].reg, query[i].bytes, query[i].stopTX);
}
}
}
// Gestion des moteurs (ajout : porcou-arduino.ino)
/* if (digitalRead(2) == LOW && digitalRead(3) == LOW) { */
/* motor.dcMotorStop(MOTOR_CHA); */
/* Serial.println("motor.dcMotorStop(MOTOR_CHA);"); */
/* /\* motor.dcMotorBrake(MOTOR_CHA); *\/ */
/* } */
/* if (digitalRead(2) == HIGH && digitalRead(3) == HIGH) { */
/* motor.dcMotorStop(MOTOR_CHA); */
/* Serial.println("motor.dcMotorStop(MOTOR_CHA);"); */
/* } */
/* if (digitalRead(2) == HIGH && digitalRead(3) == LOW) { */
/* motor.dcMotorRun(MOTOR_CHA, 255); */
/* Serial.println("motor.dcMotorRun(MOTOR_CHA, 255);"); */
/* } */
/* if (digitalRead(2) == LOW && digitalRead(3) == HIGH) { */
/* motor.dcMotorRun(MOTOR_CHA, -255); */
/* Serial.println("motor.dcMotorRun(MOTOR_CHA, -255);"); */
/* } */
#ifdef FIRMATA_SERIAL_FEATURE
serialFeature.update();
#endif
}

91
portail_coulissant/porcou-arduino/serial/porcou-arduino-v1.ino Normal file
View File

@ -0,0 +1,91 @@
#include "Wire.h"
#include "Grove_Motor_Driver_TB6612FNG.h"
#include <stdlib.h>
/******************************************************************************
* porcou-arduino.ino
* @title: Programme pour la carte Arduino
* @project: Blender-EduTech - Jumeau numérique - Portail coulissant
* @lang: fr
* @authors: Philippe Roy <philippe.roy@ac-grenoble.fr>
* @copyright: Copyright (C) 2024 Philippe Roy
* @license: GNU GPL
******************************************************************************/
/******************************************************************************
* Précautions :
* - Régler l'alimentation à 12V DC - 3 A maxi
******************************************************************************/
/******************************************************************************
* Communication serie
******************************************************************************/
String serial_msg = ""; // Message
bool serial_msg_complet = false; // Flag de message complet
/******************************************************************************
* Initialisation
******************************************************************************/
void setup() {
// Liaison série
Serial.begin(115200);
}
/******************************************************************************
* Boucle principale
******************************************************************************/
void loop() {
/*****
* Lecture des capteur/boutons
*****/
/* accelgyro.getMotion9(&ax, &ay, &az, &gx, &gy, &gz, &mx, &my, &mz); */
/* Axyz[0] = (double) ax / 16384; */
/* Axyz[1] = (double) ay / 16384; */
/* Axyz[2] = (double) az / 16384; */
/* roll = asin(-Axyz[0]); */
/* roll_deg = roll*57.3; */
/* roll_txt = String(roll_deg); */
/* pitch = -asin(Axyz[1]/cos(roll)); // position capteur (X vers la gauche, Y vers l'arriere, Z vers le haut) */
/* pitch_deg = pitch*57.3; */
/* pitch_txt = String(pitch_deg); */
/*****
* Capteur / boutons : Arduino -> UPBGE
*****/
Serial.print(roll_txt);
Serial.print(",");
Serial.print(pitch_txt);
Serial.println();
/*****
* Moteur / Led : UPBGE -> Arduino
*****/
if (serial_msg_complet) {
int xy= serial_msg.toInt(); // Message par chiffre : XY
serial_msg = "";
serial_msg_complet = false;
}
}
/******************************************************************************
* Évènement provoqué par UPBGE (via la liaison série)
******************************************************************************/
void serialEvent() {
while (Serial.available()) {
char inChar = (char)Serial.read();
serial_msg += inChar;
if (inChar == '\n') {
serial_msg_complet = true;
}
}
}

8
portail_coulissant/porcou_cmd.py
View File

@ -43,10 +43,10 @@ from porcou_lib import * # Bibliothèque utilisateur du portail coulissant
# Brochage du portail coulissant (Grove)
brochage={
'bp_ext' : ['d',6,'i'],'bp_int' : ['d',5,'i'],
'fdc_o' : ['d',3,'i'],'fdc_f' : ['d',2,'i'],
'mot_o' : ['d',7,'o'],'mot_f' : ['d',8,'o'],
'gyr' : ['d',4,'o']}
# 'ir_emet' : ['d',8,'o'],'ir_recep' : ['d',7,'i']}
'fdc_o' : ['a',1,'i'],'fdc_f' : ['a',0,'i'],
'mot_o' : ['d',2,'o'],'mot_f' : ['d',3,'o'],
'gyr' : ['d',4,'o'],
'ir_emet' : ['d',8,'o'],'ir_recep' : ['d',7,'i']}
###############################################################################
# Fonctions