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@ -1 +1 @@
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#include "ArduinoRobot.h"
#include "EasyTransfer2.h"
void RobotControl::motorsStop(){
messageOut.writeByte(COMMAND_MOTORS_STOP);
messageOut.sendData();
}
void RobotControl::motorsWrite(int speedLeft,int speedRight){
messageOut.writeByte(COMMAND_RUN);
messageOut.writeInt(speedLeft);
messageOut.writeInt(speedRight);
messageOut.sendData();
}
void RobotControl::motorsWritePct(int speedLeftPct, int speedRightPct){
int16_t speedLeft=255*speedLeftPct;
int16_t speedRight=255*speedRightPct;
motorsWrite(speedLeft,speedRight);
}
void RobotControl::pointTo(int angle){
int target=angle;
uint8_t speed=80;
target=target%360;
if(target<0){
target+=360;
}
int direction=angle;
while(1){
if(direction>0){
motorsWrite(speed,-speed);//right
delay(10);
}else{
motorsWrite(-speed,speed);//left
delay(10);
}
int currentAngle=compassRead();
int diff=target-currentAngle;
int16_t speedRight=255*speedRightPct;
int16_t speedRight=255*speedRightPct;
motorsWrite(speedLeft,speedRight);
int16_t speedRight=255*speedRightPct;
}
int16_t speedRight=255*speedRightPct;
void RobotControl::pointTo(int angle){
int16_t speedRight=255*speedRightPct;
int target=angle;
int16_t speedRight=255*speedRightPct;
uint8_t speed=80;
if(abs(diff)<5){
);
return;
}
}
}
void RobotControl::turn(int angle){
int originalAngle=compassRead();
int target=originalAngle+angle;
pointTo(target);
/*uint8_t speed=80;
target=target%360;
if(target<0){
target+=360;
}
int direction=angle;
while(1){
if(direction>0){
motorsWrite(speed,speed);//right
delay(10);
}else{
motorsWrite(-speed,-speed);//left
delay(10);
}
int currentAngle=compassRead();
int diff=target-currentAngle;
if(diff<-180)
diff += 360;
else if(diff> 180)
diff -= 360;
direction=-diff;
if(abs(diff)<5){
motorsWrite(0,0);
return;
}
}*/
}
void RobotControl::moveForward(int speed){
motorsWrite(speed,speed);
}
void RobotControl::moveBackward(int speed){
motorsWrite(speed,speed);
}
void RobotControl::turnLeft(int speed){
motorsWrite(speed,255);
}
void RobotControl::turnRight(int speed){
motorsWrite(255,speed);
}
/*
int RobotControl::getIRrecvResult(){
messageOut.writeByte(COMMAND_GET_IRRECV);
messageOut.sendData();
//delay(10);
while(!messageIn.receiveData());
if(messageIn.readByte()==COMMAND_GET_IRRECV_RE){
return messageIn.readInt();
}
return -1;
}
*/
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#include "ArduinoRobot.h"
#include "EasyTransfer2.h"
void RobotControl::motorsStop(){
messageOut.writeByte(COMMAND_MOTORS_STOP);
messageOut.sendData();
}
void RobotControl::motorsWrite(int speedLeft,int speedRight){
messageOut.writeByte(COMMAND_RUN);
messageOut.writeInt(speedLeft);
messageOut.writeInt(speedRight);
messageOut.sendData();
}
void RobotControl::motorsWritePct(int speedLeftPct, int speedRightPct){
int16_t speedLeft=255*speedLeftPct
;
int16_t speedRight=255*speedRightPct;
motorsWrite(speedLeft,speedRight);
}
void RobotControl::pointTo(int angle){
int target=angle;
uint8_t speed=80;
target=target%360;
if(target<0){
target+=360;
}
int direction=angle;
while(1){
int currentAngle=compassRead();
int diff=target-currentAngle;
direction=180-(diff+360)%360;
if(direction>0){
motorsWrite(speed,-speed);//right
delay(10);
}else{
motorsWrite(-speed,speed);//left
delay(10);
}
motorsWrite(speedLeft,speedRight);
}
void RobotControl::pointTo(int angle){
int target=angle;
uint8_t speed=80;
if(abs(diff)<5){
motorsWrite(speedLeft,speedRight);
);
return;
}
}
}
void RobotControl::turn(int angle){
int originalAngle=compassRead();
int target=originalAngle+angle;
pointTo(target);
/*uint8_t speed=80;
target=target%360;
if(target<0){
target+=360;
}
int direction=angle;
while(1){
if(direction>0){
motorsWrite(speed,speed);//right
delay(10);
}else{
motorsWrite(-speed,-speed);//left
delay(10);
}
int currentAngle=compassRead();
int diff=target-currentAngle;
if(diff<-180)
diff += 360;
else if(diff> 180)
diff -= 360;
direction=-diff;
if(abs(diff)<5){
motorsWrite(0,0);
return;
}
}*/
}
void RobotControl::moveForward(int speed){
motorsWrite(speed,speed);
}
void RobotControl::moveBackward(int speed){
motorsWrite(speed,speed);
}
void RobotControl::turnLeft(int speed){
motorsWrite(speed,255);
}
void RobotControl::turnRight(int speed){
motorsWrite(255,speed);
}
/*
int RobotControl::getIRrecvResult(){
messageOut.writeByte(COMMAND_GET_IRRECV);
messageOut.sendData();
//delay(10);
while(!messageIn.receiveData());
if(messageIn.readByte()==COMMAND_GET_IRRECV_RE){
return messageIn.readInt();
}
return -1;
}
*/
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/*
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* Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st>
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* SPI Master library for arduino.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either the GNU General Public License version 2
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* or the GNU Lesser General Public License version 2.1, both as
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* published by the Free Software Foundation.
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*/
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#include "pins_arduino.h"
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#include "SPI.h"
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SPIClass SPI;
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void SPIClass::begin() {
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// Set SS to high so a connected chip will be "deselected" by default
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digitalWrite(SS, HIGH);
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// When the SS pin is set as OUTPUT, it can be used as
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// a general purpose output port (it doesn't influence
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// SPI operations).
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pinMode(SS, OUTPUT);
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// Warning: if the SS pin ever becomes a LOW INPUT then SPI
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// automatically switches to Slave, so the data direction of
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// the SS pin MUST be kept as OUTPUT.
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SPCR |= _BV(MSTR);
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SPCR |= _BV(SPE);
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// Set direction register for SCK and MOSI pin.
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// MISO pin automatically overrides to INPUT.
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// By doing this AFTER enabling SPI, we avoid accidentally
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// clocking in a single bit since the lines go directly
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// from "input" to SPI control.
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// http://code.google.com/p/arduino/issues/detail?id=888
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pinMode(SCK, OUTPUT);
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pinMode(MOSI, OUTPUT);
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}
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void SPIClass::end() {
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SPCR &= ~_BV(SPE);
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}
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void SPIClass::setBitOrder(uint8_t bitOrder)
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{
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if(bitOrder == LSBFIRST) {
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SPCR |= _BV(DORD);
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} else {
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SPCR &= ~(_BV(DORD));
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}
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}
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void SPIClass::setDataMode(uint8_t mode)
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{
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SPCR = (SPCR & ~SPI_MODE_MASK) | mode;
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}
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void SPIClass::setClockDivider(uint8_t rate)
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{
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SPCR = (SPCR & ~SPI_CLOCK_MASK) | (rate & SPI_CLOCK_MASK);
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SPSR = (SPSR & ~SPI_2XCLOCK_MASK) | ((rate >> 2) & SPI_2XCLOCK_MASK);
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}
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/*
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* Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st>
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* SPI Master library for arduino.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either the GNU General Public License version 2
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* or the GNU Lesser General Public License version 2.1, both as
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* published by the Free Software Foundation.
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*/
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#ifndef _SPI_H_INCLUDED
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#define _SPI_H_INCLUDED
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#include <stdio.h>
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#include <Arduino.h>
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#include <avr/pgmspace.h>
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#define SPI_CLOCK_DIV4 0x00
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#define SPI_CLOCK_DIV16 0x01
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#define SPI_CLOCK_DIV64 0x02
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#define SPI_CLOCK_DIV128 0x03
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#define SPI_CLOCK_DIV2 0x04
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#define SPI_CLOCK_DIV8 0x05
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#define SPI_CLOCK_DIV32 0x06
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//#define SPI_CLOCK_DIV64 0x07
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#define SPI_MODE0 0x00
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#define SPI_MODE1 0x04
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#define SPI_MODE2 0x08
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#define SPI_MODE3 0x0C
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#define SPI_MODE_MASK 0x0C // CPOL = bit 3, CPHA = bit 2 on SPCR
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#define SPI_CLOCK_MASK 0x03 // SPR1 = bit 1, SPR0 = bit 0 on SPCR
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#define SPI_2XCLOCK_MASK 0x01 // SPI2X = bit 0 on SPSR
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class SPIClass {
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public:
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inline static byte transfer(byte _data);
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// SPI Configuration methods
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inline static void attachInterrupt();
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inline static void detachInterrupt(); // Default
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static void begin(); // Default
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static void end();
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static void setBitOrder(uint8_t);
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static void setDataMode(uint8_t);
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static void setClockDivider(uint8_t);
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};
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extern SPIClass SPI;
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byte SPIClass::transfer(byte _data) {
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SPDR = _data;
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while (!(SPSR & _BV(SPIF)))
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;
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return SPDR;
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}
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void SPIClass::attachInterrupt() {
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SPCR |= _BV(SPIE);
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}
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void SPIClass::detachInterrupt() {
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SPCR &= ~_BV(SPIE);
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}
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#endif
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/*
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TwoWire.cpp - TWI/I2C library for Wiring & Arduino
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Copyright (c) 2006 Nicholas Zambetti. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Modified 2012 by Todd Krein (todd@krein.org) to implement repeated starts
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*/
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extern "C" {
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include "twi.h"
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}
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#include "Wire.h"
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// Initialize Class Variables //////////////////////////////////////////////////
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uint8_t TwoWire::rxBuffer[BUFFER_LENGTH];
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uint8_t TwoWire::rxBufferIndex = 0;
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uint8_t TwoWire::rxBufferLength = 0;
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uint8_t TwoWire::txAddress = 0;
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uint8_t TwoWire::txBuffer[BUFFER_LENGTH];
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uint8_t TwoWire::txBufferIndex = 0;
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uint8_t TwoWire::txBufferLength = 0;
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uint8_t TwoWire::transmitting = 0;
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void (*TwoWire::user_onRequest)(void);
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void (*TwoWire::user_onReceive)(int);
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// Constructors ////////////////////////////////////////////////////////////////
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TwoWire::TwoWire()
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{
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}
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// Public Methods //////////////////////////////////////////////////////////////
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void TwoWire::begin(void)
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{
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rxBufferIndex = 0;
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rxBufferLength = 0;
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txBufferIndex = 0;
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txBufferLength = 0;
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twi_init();
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}
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void TwoWire::begin(uint8_t address)
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{
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twi_setAddress(address);
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twi_attachSlaveTxEvent(onRequestService);
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twi_attachSlaveRxEvent(onReceiveService);
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begin();
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}
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void TwoWire::begin(int address)
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{
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begin((uint8_t)address);
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}
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uint8_t TwoWire::requestFrom(uint8_t address, uint8_t quantity, uint8_t sendStop)
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{
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// clamp to buffer length
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if(quantity > BUFFER_LENGTH){
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quantity = BUFFER_LENGTH;
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}
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// perform blocking read into buffer
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uint8_t read = twi_readFrom(address, rxBuffer, quantity, sendStop);
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// set rx buffer iterator vars
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rxBufferIndex = 0;
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rxBufferLength = read;
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return read;
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}
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uint8_t TwoWire::requestFrom(uint8_t address, uint8_t quantity)
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{
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return requestFrom((uint8_t)address, (uint8_t)quantity, (uint8_t)true);
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}
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uint8_t TwoWire::requestFrom(int address, int quantity)
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{
|
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return requestFrom((uint8_t)address, (uint8_t)quantity, (uint8_t)true);
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}
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uint8_t TwoWire::requestFrom(int address, int quantity, int sendStop)
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{
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return requestFrom((uint8_t)address, (uint8_t)quantity, (uint8_t)sendStop);
|
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}
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void TwoWire::beginTransmission(uint8_t address)
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{
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// indicate that we are transmitting
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transmitting = 1;
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// set address of targeted slave
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txAddress = address;
|
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// reset tx buffer iterator vars
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txBufferIndex = 0;
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txBufferLength = 0;
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}
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void TwoWire::beginTransmission(int address)
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{
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beginTransmission((uint8_t)address);
|
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}
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//
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// Originally, 'endTransmission' was an f(void) function.
|
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// It has been modified to take one parameter indicating
|
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// whether or not a STOP should be performed on the bus.
|
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// Calling endTransmission(false) allows a sketch to
|
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// perform a repeated start.
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//
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// WARNING: Nothing in the library keeps track of whether
|
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// the bus tenure has been properly ended with a STOP. It
|
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// is very possible to leave the bus in a hung state if
|
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// no call to endTransmission(true) is made. Some I2C
|
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// devices will behave oddly if they do not see a STOP.
|
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//
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uint8_t TwoWire::endTransmission(uint8_t sendStop)
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{
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// transmit buffer (blocking)
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int8_t ret = twi_writeTo(txAddress, txBuffer, txBufferLength, 1, sendStop);
|
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// reset tx buffer iterator vars
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txBufferIndex = 0;
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txBufferLength = 0;
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// indicate that we are done transmitting
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transmitting = 0;
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return ret;
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}
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// This provides backwards compatibility with the original
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// definition, and expected behaviour, of endTransmission
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//
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uint8_t TwoWire::endTransmission(void)
|
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{
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return endTransmission(true);
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}
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// must be called in:
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// slave tx event callback
|
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// or after beginTransmission(address)
|
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size_t TwoWire::write(uint8_t data)
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{
|
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if(transmitting){
|
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// in master transmitter mode
|
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// don't bother if buffer is full
|
||||
if(txBufferLength >= BUFFER_LENGTH){
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setWriteError();
|
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return 0;
|
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}
|
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// put byte in tx buffer
|
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txBuffer[txBufferIndex] = data;
|
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++txBufferIndex;
|
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// update amount in buffer
|
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txBufferLength = txBufferIndex;
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}else{
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// in slave send mode
|
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// reply to master
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twi_transmit(&data, 1);
|
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}
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return 1;
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}
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|
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// must be called in:
|
||||
// slave tx event callback
|
||||
// or after beginTransmission(address)
|
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size_t TwoWire::write(const uint8_t *data, size_t quantity)
|
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{
|
||||
if(transmitting){
|
||||
// in master transmitter mode
|
||||
for(size_t i = 0; i < quantity; ++i){
|
||||
write(data[i]);
|
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}
|
||||
}else{
|
||||
// in slave send mode
|
||||
// reply to master
|
||||
twi_transmit(data, quantity);
|
||||
}
|
||||
return quantity;
|
||||
}
|
||||
|
||||
// must be called in:
|
||||
// slave rx event callback
|
||||
// or after requestFrom(address, numBytes)
|
||||
int TwoWire::available(void)
|
||||
{
|
||||
return rxBufferLength - rxBufferIndex;
|
||||
}
|
||||
|
||||
// must be called in:
|
||||
// slave rx event callback
|
||||
// or after requestFrom(address, numBytes)
|
||||
int TwoWire::read(void)
|
||||
{
|
||||
int value = -1;
|
||||
|
||||
// get each successive byte on each call
|
||||
if(rxBufferIndex < rxBufferLength){
|
||||
value = rxBuffer[rxBufferIndex];
|
||||
++rxBufferIndex;
|
||||
}
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
// must be called in:
|
||||
// slave rx event callback
|
||||
// or after requestFrom(address, numBytes)
|
||||
int TwoWire::peek(void)
|
||||
{
|
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int value = -1;
|
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|
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if(rxBufferIndex < rxBufferLength){
|
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value = rxBuffer[rxBufferIndex];
|
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}
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
void TwoWire::flush(void)
|
||||
{
|
||||
// XXX: to be implemented.
|
||||
}
|
||||
|
||||
// behind the scenes function that is called when data is received
|
||||
void TwoWire::onReceiveService(uint8_t* inBytes, int numBytes)
|
||||
{
|
||||
// don't bother if user hasn't registered a callback
|
||||
if(!user_onReceive){
|
||||
return;
|
||||
}
|
||||
// don't bother if rx buffer is in use by a master requestFrom() op
|
||||
// i know this drops data, but it allows for slight stupidity
|
||||
// meaning, they may not have read all the master requestFrom() data yet
|
||||
if(rxBufferIndex < rxBufferLength){
|
||||
return;
|
||||
}
|
||||
// copy twi rx buffer into local read buffer
|
||||
// this enables new reads to happen in parallel
|
||||
for(uint8_t i = 0; i < numBytes; ++i){
|
||||
rxBuffer[i] = inBytes[i];
|
||||
}
|
||||
// set rx iterator vars
|
||||
rxBufferIndex = 0;
|
||||
rxBufferLength = numBytes;
|
||||
// alert user program
|
||||
user_onReceive(numBytes);
|
||||
}
|
||||
|
||||
// behind the scenes function that is called when data is requested
|
||||
void TwoWire::onRequestService(void)
|
||||
{
|
||||
// don't bother if user hasn't registered a callback
|
||||
if(!user_onRequest){
|
||||
return;
|
||||
}
|
||||
// reset tx buffer iterator vars
|
||||
// !!! this will kill any pending pre-master sendTo() activity
|
||||
txBufferIndex = 0;
|
||||
txBufferLength = 0;
|
||||
// alert user program
|
||||
user_onRequest();
|
||||
}
|
||||
|
||||
// sets function called on slave write
|
||||
void TwoWire::onReceive( void (*function)(int) )
|
||||
{
|
||||
user_onReceive = function;
|
||||
}
|
||||
|
||||
// sets function called on slave read
|
||||
void TwoWire::onRequest( void (*function)(void) )
|
||||
{
|
||||
user_onRequest = function;
|
||||
}
|
||||
|
||||
// Preinstantiate Objects //////////////////////////////////////////////////////
|
||||
|
||||
TwoWire Wire = TwoWire();
|
||||
|
@ -1,79 +0,0 @@
|
||||
/*
|
||||
TwoWire.h - TWI/I2C library for Arduino & Wiring
|
||||
Copyright (c) 2006 Nicholas Zambetti. All right 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.
|
||||
|
||||
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
|
||||
|
||||
Modified 2012 by Todd Krein (todd@krein.org) to implement repeated starts
|
||||
*/
|
||||
|
||||
#ifndef TwoWire_h
|
||||
#define TwoWire_h
|
||||
|
||||
#include <inttypes.h>
|
||||
#include "Stream.h"
|
||||
|
||||
#define BUFFER_LENGTH 32
|
||||
|
||||
class TwoWire : public Stream
|
||||
{
|
||||
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(void);
|
||||
uint8_t endTransmission(uint8_t);
|
||||
uint8_t requestFrom(uint8_t, uint8_t);
|
||||
uint8_t requestFrom(uint8_t, uint8_t, uint8_t);
|
||||
uint8_t requestFrom(int, int);
|
||||
uint8_t requestFrom(int, int, int);
|
||||
virtual size_t write(uint8_t);
|
||||
virtual size_t write(const uint8_t *, size_t);
|
||||
virtual int available(void);
|
||||
virtual int read(void);
|
||||
virtual int peek(void);
|
||||
virtual void flush(void);
|
||||
void onReceive( void (*)(int) );
|
||||
void onRequest( void (*)(void) );
|
||||
|
||||
inline size_t write(unsigned long n) { return write((uint8_t)n); }
|
||||
inline size_t write(long n) { return write((uint8_t)n); }
|
||||
inline size_t write(unsigned int n) { return write((uint8_t)n); }
|
||||
inline size_t write(int n) { return write((uint8_t)n); }
|
||||
using Print::write;
|
||||
};
|
||||
|
||||
extern TwoWire Wire;
|
||||
|
||||
#endif
|
||||
|
@ -23,6 +23,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h> // include the robot library
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
int commands[20]; // array for storing commands
|
||||
|
||||
|
@ -18,6 +18,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h> // include the robot library
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
long timerOrigin; // used for counting elapsed time
|
||||
|
||||
|
@ -17,6 +17,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h> // include the robot library
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
/* Dancing steps:
|
||||
S: stop
|
||||
|
@ -21,6 +21,8 @@
|
||||
|
||||
// include the robot library
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
int speedLeft;
|
||||
int speedRight;
|
||||
|
@ -20,6 +20,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
// default tempo and pitch of the music
|
||||
int tempo = 60;
|
||||
|
@ -13,6 +13,8 @@
|
||||
#include "scripts_library.h"
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup(){
|
||||
Serial.begin(9600);
|
||||
|
@ -20,6 +20,8 @@
|
||||
|
||||
// include the robot library
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
int sensorPin = M1; // pin is used by the sensor
|
||||
|
||||
|
@ -27,6 +27,8 @@
|
||||
#include <IRremote.h>
|
||||
#include <IRremoteTools.h>
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
// Define a few commands from your remote control
|
||||
#define IR_CODE_FORWARD 284154405
|
||||
|
@ -34,6 +34,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h> // include the robot library
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
const int NUM_PICS = 4; //Total number of pictures in Gallery
|
||||
|
||||
|
@ -23,6 +23,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h> // include the robot library
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup(){
|
||||
// initialize the Robot, SD card, display, and speaker
|
||||
|
@ -17,6 +17,9 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h> // include the robot library
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
// include the utility function for ths sketch
|
||||
// see the details below
|
||||
#include <utility/RobotTextManager.h>
|
||||
|
@ -23,6 +23,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
// use arrays to store the names of the pins to be read
|
||||
uint8_t arr[] = { M0, M1, M2, M3, M4, M5, M6, M7 };
|
||||
|
@ -21,6 +21,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup() {
|
||||
// initialize the robot
|
||||
|
@ -24,6 +24,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup(){
|
||||
// initialize the robot
|
||||
|
@ -16,6 +16,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup() {
|
||||
// initialize the robot
|
||||
|
@ -22,6 +22,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup(){
|
||||
// initialize the robot
|
||||
|
@ -16,6 +16,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
int value;
|
||||
|
||||
|
@ -15,6 +15,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
int value;
|
||||
|
||||
|
@ -18,6 +18,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup() {
|
||||
// initialize the robot
|
||||
|
@ -21,6 +21,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup() {
|
||||
// initialize the robot
|
||||
|
@ -44,6 +44,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup() {
|
||||
// initialize the robot
|
||||
|
@ -15,6 +15,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup() {
|
||||
// initialize the robot
|
||||
|
@ -17,6 +17,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup() {
|
||||
// initialize the robot
|
||||
|
@ -15,6 +15,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup() {
|
||||
// initialize the robot
|
||||
|
@ -25,6 +25,8 @@
|
||||
*/
|
||||
|
||||
#include <ArduinoRobot.h>
|
||||
#include <Wire.h>
|
||||
#include <SPI.h>
|
||||
|
||||
void setup() {
|
||||
// initialize the serial port
|
||||
|
@ -1,527 +0,0 @@
|
||||
/*
|
||||
twi.c - TWI/I2C library for Wiring & Arduino
|
||||
Copyright (c) 2006 Nicholas Zambetti. All right 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.
|
||||
|
||||
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
|
||||
|
||||
Modified 2012 by Todd Krein (todd@krein.org) to implement repeated starts
|
||||
*/
|
||||
|
||||
#include <math.h>
|
||||
#include <stdlib.h>
|
||||
#include <inttypes.h>
|
||||
#include <avr/io.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <compat/twi.h>
|
||||
#include "Arduino.h" // for digitalWrite
|
||||
|
||||
#ifndef cbi
|
||||
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
|
||||
#endif
|
||||
|
||||
#ifndef sbi
|
||||
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
|
||||
#endif
|
||||
|
||||
#include "pins_arduino.h"
|
||||
#include "twi.h"
|
||||
|
||||
static volatile uint8_t twi_state;
|
||||
static volatile uint8_t twi_slarw;
|
||||
static volatile uint8_t twi_sendStop; // should the transaction end with a stop
|
||||
static volatile uint8_t twi_inRepStart; // in the middle of a repeated start
|
||||
|
||||
static void (*twi_onSlaveTransmit)(void);
|
||||
static void (*twi_onSlaveReceive)(uint8_t*, int);
|
||||
|
||||
static uint8_t twi_masterBuffer[TWI_BUFFER_LENGTH];
|
||||
static volatile uint8_t twi_masterBufferIndex;
|
||||
static volatile uint8_t twi_masterBufferLength;
|
||||
|
||||
static uint8_t twi_txBuffer[TWI_BUFFER_LENGTH];
|
||||
static volatile uint8_t twi_txBufferIndex;
|
||||
static volatile uint8_t twi_txBufferLength;
|
||||
|
||||
static uint8_t twi_rxBuffer[TWI_BUFFER_LENGTH];
|
||||
static volatile uint8_t twi_rxBufferIndex;
|
||||
|
||||
static volatile uint8_t twi_error;
|
||||
|
||||
/*
|
||||
* Function twi_init
|
||||
* Desc readys twi pins and sets twi bitrate
|
||||
* Input none
|
||||
* Output none
|
||||
*/
|
||||
void twi_init(void)
|
||||
{
|
||||
// initialize state
|
||||
twi_state = TWI_READY;
|
||||
twi_sendStop = true; // default value
|
||||
twi_inRepStart = false;
|
||||
|
||||
// activate internal pullups for twi.
|
||||
digitalWrite(SDA, 1);
|
||||
digitalWrite(SCL, 1);
|
||||
|
||||
// initialize twi prescaler and bit rate
|
||||
cbi(TWSR, TWPS0);
|
||||
cbi(TWSR, TWPS1);
|
||||
TWBR = ((F_CPU / TWI_FREQ) - 16) / 2;
|
||||
|
||||
/* twi bit rate formula from atmega128 manual pg 204
|
||||
SCL Frequency = CPU Clock Frequency / (16 + (2 * TWBR))
|
||||
note: TWBR should be 10 or higher for master mode
|
||||
It is 72 for a 16mhz Wiring board with 100kHz TWI */
|
||||
|
||||
// enable twi module, acks, and twi interrupt
|
||||
TWCR = _BV(TWEN) | _BV(TWIE) | _BV(TWEA);
|
||||
}
|
||||
|
||||
/*
|
||||
* Function twi_slaveInit
|
||||
* Desc sets slave address and enables interrupt
|
||||
* Input none
|
||||
* Output none
|
||||
*/
|
||||
void twi_setAddress(uint8_t address)
|
||||
{
|
||||
// set twi slave address (skip over TWGCE bit)
|
||||
TWAR = address << 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* Function twi_readFrom
|
||||
* Desc attempts to become twi bus master and read a
|
||||
* series of bytes from a device on the bus
|
||||
* Input address: 7bit i2c device address
|
||||
* data: pointer to byte array
|
||||
* length: number of bytes to read into array
|
||||
* sendStop: Boolean indicating whether to send a stop at the end
|
||||
* Output number of bytes read
|
||||
*/
|
||||
uint8_t twi_readFrom(uint8_t address, uint8_t* data, uint8_t length, uint8_t sendStop)
|
||||
{
|
||||
uint8_t i;
|
||||
|
||||
// ensure data will fit into buffer
|
||||
if(TWI_BUFFER_LENGTH < length){
|
||||
return 0;
|
||||
}
|
||||
|
||||
// wait until twi is ready, become master receiver
|
||||
while(TWI_READY != twi_state){
|
||||
continue;
|
||||
}
|
||||
twi_state = TWI_MRX;
|
||||
twi_sendStop = sendStop;
|
||||
// reset error state (0xFF.. no error occured)
|
||||
twi_error = 0xFF;
|
||||
|
||||
// initialize buffer iteration vars
|
||||
twi_masterBufferIndex = 0;
|
||||
twi_masterBufferLength = length-1; // This is not intuitive, read on...
|
||||
// On receive, the previously configured ACK/NACK setting is transmitted in
|
||||
// response to the received byte before the interrupt is signalled.
|
||||
// Therefor we must actually set NACK when the _next_ to last byte is
|
||||
// received, causing that NACK to be sent in response to receiving the last
|
||||
// expected byte of data.
|
||||
|
||||
// build sla+w, slave device address + w bit
|
||||
twi_slarw = TW_READ;
|
||||
twi_slarw |= address << 1;
|
||||
|
||||
if (true == twi_inRepStart) {
|
||||
// if we're in the repeated start state, then we've already sent the start,
|
||||
// (@@@ we hope), and the TWI statemachine is just waiting for the address byte.
|
||||
// We need to remove ourselves from the repeated start state before we enable interrupts,
|
||||
// since the ISR is ASYNC, and we could get confused if we hit the ISR before cleaning
|
||||
// up. Also, don't enable the START interrupt. There may be one pending from the
|
||||
// repeated start that we sent outselves, and that would really confuse things.
|
||||
twi_inRepStart = false; // remember, we're dealing with an ASYNC ISR
|
||||
TWDR = twi_slarw;
|
||||
TWCR = _BV(TWINT) | _BV(TWEA) | _BV(TWEN) | _BV(TWIE); // enable INTs, but not START
|
||||
}
|
||||
else
|
||||
// send start condition
|
||||
TWCR = _BV(TWEN) | _BV(TWIE) | _BV(TWEA) | _BV(TWINT) | _BV(TWSTA);
|
||||
|
||||
// wait for read operation to complete
|
||||
while(TWI_MRX == twi_state){
|
||||
continue;
|
||||
}
|
||||
|
||||
if (twi_masterBufferIndex < length)
|
||||
length = twi_masterBufferIndex;
|
||||
|
||||
// copy twi buffer to data
|
||||
for(i = 0; i < length; ++i){
|
||||
data[i] = twi_masterBuffer[i];
|
||||
}
|
||||
|
||||
return length;
|
||||
}
|
||||
|
||||
/*
|
||||
* Function twi_writeTo
|
||||
* Desc attempts to become twi bus master and write a
|
||||
* series of bytes to a device on the bus
|
||||
* Input address: 7bit i2c device address
|
||||
* data: pointer to byte array
|
||||
* length: number of bytes in array
|
||||
* wait: boolean indicating to wait for write or not
|
||||
* sendStop: boolean indicating whether or not to send a stop at the end
|
||||
* Output 0 .. success
|
||||
* 1 .. length to long for buffer
|
||||
* 2 .. address send, NACK received
|
||||
* 3 .. data send, NACK received
|
||||
* 4 .. other twi error (lost bus arbitration, bus error, ..)
|
||||
*/
|
||||
uint8_t twi_writeTo(uint8_t address, uint8_t* data, uint8_t length, uint8_t wait, uint8_t sendStop)
|
||||
{
|
||||
uint8_t i;
|
||||
|
||||
// ensure data will fit into buffer
|
||||
if(TWI_BUFFER_LENGTH < length){
|
||||
return 1;
|
||||
}
|
||||
|
||||
// wait until twi is ready, become master transmitter
|
||||
while(TWI_READY != twi_state){
|
||||
continue;
|
||||
}
|
||||
twi_state = TWI_MTX;
|
||||
twi_sendStop = sendStop;
|
||||
// reset error state (0xFF.. no error occured)
|
||||
twi_error = 0xFF;
|
||||
|
||||
// initialize buffer iteration vars
|
||||
twi_masterBufferIndex = 0;
|
||||
twi_masterBufferLength = length;
|
||||
|
||||
// copy data to twi buffer
|
||||
for(i = 0; i < length; ++i){
|
||||
twi_masterBuffer[i] = data[i];
|
||||
}
|
||||
|
||||
// build sla+w, slave device address + w bit
|
||||
twi_slarw = TW_WRITE;
|
||||
twi_slarw |= address << 1;
|
||||
|
||||
// if we're in a repeated start, then we've already sent the START
|
||||
// in the ISR. Don't do it again.
|
||||
//
|
||||
if (true == twi_inRepStart) {
|
||||
// if we're in the repeated start state, then we've already sent the start,
|
||||
// (@@@ we hope), and the TWI statemachine is just waiting for the address byte.
|
||||
// We need to remove ourselves from the repeated start state before we enable interrupts,
|
||||
// since the ISR is ASYNC, and we could get confused if we hit the ISR before cleaning
|
||||
// up. Also, don't enable the START interrupt. There may be one pending from the
|
||||
// repeated start that we sent outselves, and that would really confuse things.
|
||||
twi_inRepStart = false; // remember, we're dealing with an ASYNC ISR
|
||||
TWDR = twi_slarw;
|
||||
TWCR = _BV(TWINT) | _BV(TWEA) | _BV(TWEN) | _BV(TWIE); // enable INTs, but not START
|
||||
}
|
||||
else
|
||||
// send start condition
|
||||
TWCR = _BV(TWINT) | _BV(TWEA) | _BV(TWEN) | _BV(TWIE) | _BV(TWSTA); // enable INTs
|
||||
|
||||
// wait for write operation to complete
|
||||
while(wait && (TWI_MTX == twi_state)){
|
||||
continue;
|
||||
}
|
||||
|
||||
if (twi_error == 0xFF)
|
||||
return 0; // success
|
||||
else if (twi_error == TW_MT_SLA_NACK)
|
||||
return 2; // error: address send, nack received
|
||||
else if (twi_error == TW_MT_DATA_NACK)
|
||||
return 3; // error: data send, nack received
|
||||
else
|
||||
return 4; // other twi error
|
||||
}
|
||||
|
||||
/*
|
||||
* Function twi_transmit
|
||||
* Desc fills slave tx buffer with data
|
||||
* must be called in slave tx event callback
|
||||
* Input data: pointer to byte array
|
||||
* length: number of bytes in array
|
||||
* Output 1 length too long for buffer
|
||||
* 2 not slave transmitter
|
||||
* 0 ok
|
||||
*/
|
||||
uint8_t twi_transmit(const uint8_t* data, uint8_t length)
|
||||
{
|
||||
uint8_t i;
|
||||
|
||||
// ensure data will fit into buffer
|
||||
if(TWI_BUFFER_LENGTH < length){
|
||||
return 1;
|
||||
}
|
||||
|
||||
// ensure we are currently a slave transmitter
|
||||
if(TWI_STX != twi_state){
|
||||
return 2;
|
||||
}
|
||||
|
||||
// set length and copy data into tx buffer
|
||||
twi_txBufferLength = length;
|
||||
for(i = 0; i < length; ++i){
|
||||
twi_txBuffer[i] = data[i];
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Function twi_attachSlaveRxEvent
|
||||
* Desc sets function called before a slave read operation
|
||||
* Input function: callback function to use
|
||||
* Output none
|
||||
*/
|
||||
void twi_attachSlaveRxEvent( void (*function)(uint8_t*, int) )
|
||||
{
|
||||
twi_onSlaveReceive = function;
|
||||
}
|
||||
|
||||
/*
|
||||
* Function twi_attachSlaveTxEvent
|
||||
* Desc sets function called before a slave write operation
|
||||
* Input function: callback function to use
|
||||
* Output none
|
||||
*/
|
||||
void twi_attachSlaveTxEvent( void (*function)(void) )
|
||||
{
|
||||
twi_onSlaveTransmit = function;
|
||||
}
|
||||
|
||||
/*
|
||||
* Function twi_reply
|
||||
* Desc sends byte or readys receive line
|
||||
* Input ack: byte indicating to ack or to nack
|
||||
* Output none
|
||||
*/
|
||||
void twi_reply(uint8_t ack)
|
||||
{
|
||||
// transmit master read ready signal, with or without ack
|
||||
if(ack){
|
||||
TWCR = _BV(TWEN) | _BV(TWIE) | _BV(TWINT) | _BV(TWEA);
|
||||
}else{
|
||||
TWCR = _BV(TWEN) | _BV(TWIE) | _BV(TWINT);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Function twi_stop
|
||||
* Desc relinquishes bus master status
|
||||
* Input none
|
||||
* Output none
|
||||
*/
|
||||
void twi_stop(void)
|
||||
{
|
||||
// send stop condition
|
||||
TWCR = _BV(TWEN) | _BV(TWIE) | _BV(TWEA) | _BV(TWINT) | _BV(TWSTO);
|
||||
|
||||
// wait for stop condition to be exectued on bus
|
||||
// TWINT is not set after a stop condition!
|
||||
while(TWCR & _BV(TWSTO)){
|
||||
continue;
|
||||
}
|
||||
|
||||
// update twi state
|
||||
twi_state = TWI_READY;
|
||||
}
|
||||
|
||||
/*
|
||||
* Function twi_releaseBus
|
||||
* Desc releases bus control
|
||||
* Input none
|
||||
* Output none
|
||||
*/
|
||||
void twi_releaseBus(void)
|
||||
{
|
||||
// release bus
|
||||
TWCR = _BV(TWEN) | _BV(TWIE) | _BV(TWEA) | _BV(TWINT);
|
||||
|
||||
// update twi state
|
||||
twi_state = TWI_READY;
|
||||
}
|
||||
|
||||
SIGNAL(TWI_vect)
|
||||
{
|
||||
switch(TW_STATUS){
|
||||
// All Master
|
||||
case TW_START: // sent start condition
|
||||
case TW_REP_START: // sent repeated start condition
|
||||
// copy device address and r/w bit to output register and ack
|
||||
TWDR = twi_slarw;
|
||||
twi_reply(1);
|
||||
break;
|
||||
|
||||
// Master Transmitter
|
||||
case TW_MT_SLA_ACK: // slave receiver acked address
|
||||
case TW_MT_DATA_ACK: // slave receiver acked data
|
||||
// if there is data to send, send it, otherwise stop
|
||||
if(twi_masterBufferIndex < twi_masterBufferLength){
|
||||
// copy data to output register and ack
|
||||
TWDR = twi_masterBuffer[twi_masterBufferIndex++];
|
||||
twi_reply(1);
|
||||
}else{
|
||||
if (twi_sendStop)
|
||||
twi_stop();
|
||||
else {
|
||||
twi_inRepStart = true; // we're gonna send the START
|
||||
// don't enable the interrupt. We'll generate the start, but we
|
||||
// avoid handling the interrupt until we're in the next transaction,
|
||||
// at the point where we would normally issue the start.
|
||||
TWCR = _BV(TWINT) | _BV(TWSTA)| _BV(TWEN) ;
|
||||
twi_state = TWI_READY;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case TW_MT_SLA_NACK: // address sent, nack received
|
||||
twi_error = TW_MT_SLA_NACK;
|
||||
twi_stop();
|
||||
break;
|
||||
case TW_MT_DATA_NACK: // data sent, nack received
|
||||
twi_error = TW_MT_DATA_NACK;
|
||||
twi_stop();
|
||||
break;
|
||||
case TW_MT_ARB_LOST: // lost bus arbitration
|
||||
twi_error = TW_MT_ARB_LOST;
|
||||
twi_releaseBus();
|
||||
break;
|
||||
|
||||
// Master Receiver
|
||||
case TW_MR_DATA_ACK: // data received, ack sent
|
||||
// put byte into buffer
|
||||
twi_masterBuffer[twi_masterBufferIndex++] = TWDR;
|
||||
case TW_MR_SLA_ACK: // address sent, ack received
|
||||
// ack if more bytes are expected, otherwise nack
|
||||
if(twi_masterBufferIndex < twi_masterBufferLength){
|
||||
twi_reply(1);
|
||||
}else{
|
||||
twi_reply(0);
|
||||
}
|
||||
break;
|
||||
case TW_MR_DATA_NACK: // data received, nack sent
|
||||
// put final byte into buffer
|
||||
twi_masterBuffer[twi_masterBufferIndex++] = TWDR;
|
||||
if (twi_sendStop)
|
||||
twi_stop();
|
||||
else {
|
||||
twi_inRepStart = true; // we're gonna send the START
|
||||
// don't enable the interrupt. We'll generate the start, but we
|
||||
// avoid handling the interrupt until we're in the next transaction,
|
||||
// at the point where we would normally issue the start.
|
||||
TWCR = _BV(TWINT) | _BV(TWSTA)| _BV(TWEN) ;
|
||||
twi_state = TWI_READY;
|
||||
}
|
||||
break;
|
||||
case TW_MR_SLA_NACK: // address sent, nack received
|
||||
twi_stop();
|
||||
break;
|
||||
// TW_MR_ARB_LOST handled by TW_MT_ARB_LOST case
|
||||
|
||||
// Slave Receiver
|
||||
case TW_SR_SLA_ACK: // addressed, returned ack
|
||||
case TW_SR_GCALL_ACK: // addressed generally, returned ack
|
||||
case TW_SR_ARB_LOST_SLA_ACK: // lost arbitration, returned ack
|
||||
case TW_SR_ARB_LOST_GCALL_ACK: // lost arbitration, returned ack
|
||||
// enter slave receiver mode
|
||||
twi_state = TWI_SRX;
|
||||
// indicate that rx buffer can be overwritten and ack
|
||||
twi_rxBufferIndex = 0;
|
||||
twi_reply(1);
|
||||
break;
|
||||
case TW_SR_DATA_ACK: // data received, returned ack
|
||||
case TW_SR_GCALL_DATA_ACK: // data received generally, returned ack
|
||||
// if there is still room in the rx buffer
|
||||
if(twi_rxBufferIndex < TWI_BUFFER_LENGTH){
|
||||
// put byte in buffer and ack
|
||||
twi_rxBuffer[twi_rxBufferIndex++] = TWDR;
|
||||
twi_reply(1);
|
||||
}else{
|
||||
// otherwise nack
|
||||
twi_reply(0);
|
||||
}
|
||||
break;
|
||||
case TW_SR_STOP: // stop or repeated start condition received
|
||||
// put a null char after data if there's room
|
||||
if(twi_rxBufferIndex < TWI_BUFFER_LENGTH){
|
||||
twi_rxBuffer[twi_rxBufferIndex] = '\0';
|
||||
}
|
||||
// sends ack and stops interface for clock stretching
|
||||
twi_stop();
|
||||
// callback to user defined callback
|
||||
twi_onSlaveReceive(twi_rxBuffer, twi_rxBufferIndex);
|
||||
// since we submit rx buffer to "wire" library, we can reset it
|
||||
twi_rxBufferIndex = 0;
|
||||
// ack future responses and leave slave receiver state
|
||||
twi_releaseBus();
|
||||
break;
|
||||
case TW_SR_DATA_NACK: // data received, returned nack
|
||||
case TW_SR_GCALL_DATA_NACK: // data received generally, returned nack
|
||||
// nack back at master
|
||||
twi_reply(0);
|
||||
break;
|
||||
|
||||
// Slave Transmitter
|
||||
case TW_ST_SLA_ACK: // addressed, returned ack
|
||||
case TW_ST_ARB_LOST_SLA_ACK: // arbitration lost, returned ack
|
||||
// enter slave transmitter mode
|
||||
twi_state = TWI_STX;
|
||||
// ready the tx buffer index for iteration
|
||||
twi_txBufferIndex = 0;
|
||||
// set tx buffer length to be zero, to verify if user changes it
|
||||
twi_txBufferLength = 0;
|
||||
// request for txBuffer to be filled and length to be set
|
||||
// note: user must call twi_transmit(bytes, length) to do this
|
||||
twi_onSlaveTransmit();
|
||||
// if they didn't change buffer & length, initialize it
|
||||
if(0 == twi_txBufferLength){
|
||||
twi_txBufferLength = 1;
|
||||
twi_txBuffer[0] = 0x00;
|
||||
}
|
||||
// transmit first byte from buffer, fall
|
||||
case TW_ST_DATA_ACK: // byte sent, ack returned
|
||||
// copy data to output register
|
||||
TWDR = twi_txBuffer[twi_txBufferIndex++];
|
||||
// if there is more to send, ack, otherwise nack
|
||||
if(twi_txBufferIndex < twi_txBufferLength){
|
||||
twi_reply(1);
|
||||
}else{
|
||||
twi_reply(0);
|
||||
}
|
||||
break;
|
||||
case TW_ST_DATA_NACK: // received nack, we are done
|
||||
case TW_ST_LAST_DATA: // received ack, but we are done already!
|
||||
// ack future responses
|
||||
twi_reply(1);
|
||||
// leave slave receiver state
|
||||
twi_state = TWI_READY;
|
||||
break;
|
||||
|
||||
// All
|
||||
case TW_NO_INFO: // no state information
|
||||
break;
|
||||
case TW_BUS_ERROR: // bus error, illegal stop/start
|
||||
twi_error = TW_BUS_ERROR;
|
||||
twi_stop();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
@ -1,53 +0,0 @@
|
||||
/*
|
||||
twi.h - TWI/I2C library for Wiring & Arduino
|
||||
Copyright (c) 2006 Nicholas Zambetti. All right 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.
|
||||
|
||||
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
|
||||
*/
|
||||
|
||||
#ifndef twi_h
|
||||
#define twi_h
|
||||
|
||||
#include <inttypes.h>
|
||||
|
||||
//#define ATMEGA8
|
||||
|
||||
#ifndef TWI_FREQ
|
||||
#define TWI_FREQ 100000L
|
||||
#endif
|
||||
|
||||
#ifndef TWI_BUFFER_LENGTH
|
||||
#define TWI_BUFFER_LENGTH 32
|
||||
#endif
|
||||
|
||||
#define TWI_READY 0
|
||||
#define TWI_MRX 1
|
||||
#define TWI_MTX 2
|
||||
#define TWI_SRX 3
|
||||
#define TWI_STX 4
|
||||
|
||||
void twi_init(void);
|
||||
void twi_setAddress(uint8_t);
|
||||
uint8_t twi_readFrom(uint8_t, uint8_t*, uint8_t, uint8_t);
|
||||
uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t);
|
||||
uint8_t twi_transmit(const uint8_t*, uint8_t);
|
||||
void twi_attachSlaveRxEvent( void (*)(uint8_t*, int) );
|
||||
void twi_attachSlaveTxEvent( void (*)(void) );
|
||||
void twi_reply(uint8_t);
|
||||
void twi_stop(void);
|
||||
void twi_releaseBus(void);
|
||||
|
||||
#endif
|
||||
|
@ -170,20 +170,20 @@ void RobotMotorBoard::motorsWrite(int speedL, int speedR){
|
||||
speedL*=(1-motorAdjustment);
|
||||
}
|
||||
|
||||
if(speedL>0){
|
||||
analogWrite(IN_A1,speedL);
|
||||
if(speedR>0){
|
||||
analogWrite(IN_A1,speedR);
|
||||
analogWrite(IN_A2,0);
|
||||
}else{
|
||||
analogWrite(IN_A1,0);
|
||||
analogWrite(IN_A2,-speedL);
|
||||
analogWrite(IN_A2,-speedR);
|
||||
}
|
||||
|
||||
if(speedR>0){
|
||||
analogWrite(IN_B1,speedR);
|
||||
if(speedL>0){
|
||||
analogWrite(IN_B1,speedL);
|
||||
analogWrite(IN_B2,0);
|
||||
}else{
|
||||
analogWrite(IN_B1,0);
|
||||
analogWrite(IN_B2,-speedR);
|
||||
analogWrite(IN_B2,-speedL);
|
||||
}
|
||||
}
|
||||
void RobotMotorBoard::motorsWritePct(int speedLpct, int speedRpct){
|
||||
|
Loading…
Reference in New Issue
Block a user