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Simplify gateway code (handles interrupts internally) and remove external dependencies. Ledmode is now always "enabled".

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Remove unused libraries.
Add default CS/CE pin to Config.h
Add new variebles for voltage and current.
Add new internal command sent to controller when gateway is ready and online
This commit is contained in:
Henrik Ekblad
2014-08-21 09:59:30 +02:00
parent 8a6b092db8
commit dfcd3d44d3
21 changed files with 52 additions and 2496 deletions
Download Patch File Download Diff File Expand all files Collapse all files
SerialGateway/SerialGateway.ino
+2 -23
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@@ -1,4 +1,4 @@
/*
/*
* Copyright (C) 2013 Henrik Ekblad <henrik.ekblad@gmail.com>
*
* This program is free software; you can redistribute it and/or
@@ -22,8 +22,6 @@
*/
#include <SPI.h>
#include <MsTimer2.h>
#include <PinChangeInt.h>
#include <MyGateway.h>
#include <stdarg.h>
@@ -31,7 +29,7 @@
#define INCLUSION_MODE_PIN 3 // Digital pin used for inclusion mode button
MyGateway gw(9, 10, INCLUSION_MODE_TIME, INCLUSION_MODE_PIN, 6, 5, 4);
MyGateway gw(DEFAULT_CE_PIN, DEFAULT_CS_PIN, INCLUSION_MODE_TIME, INCLUSION_MODE_PIN, 6, 5, 4);
char inputString[MAX_RECEIVE_LENGTH] = ""; // A string to hold incoming commands from serial/ethernet interface
int inputPos = 0;
@@ -40,34 +38,15 @@ boolean commandComplete = false; // whether the string is complete
void setup()
{
gw.begin();
// C++ classes and interrupts really sucks. Need to attach interrupt
// outside thw Gateway class due to language shortcomings! Gah!
if (gw.isLedMode()) {
// Add led timer interrupt
MsTimer2::set(300, ledTimersInterrupt);
MsTimer2::start();
// Add interrupt for inclustion button to pin
PCintPort::attachInterrupt(INCLUSION_MODE_PIN, startInclusionInterrupt, RISING);
}
}
void loop()
{
gw.processRadioMessage();
checkSerialInput();
}
void startInclusionInterrupt() {
gw.startInclusionInterrupt();
}
void ledTimersInterrupt() {
gw.ledTimersInterrupt();
}
void checkSerialInput() {
if (commandComplete) {
libraries/MsTimer2/examples/FlashLed/FlashLed.pde
-42
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@@ -1,42 +0,0 @@
char dummyvar; // to get Arduinoi IDE to include core headers properly
/*
MsTimer2 is a small and very easy to use library to interface Timer2 with
humans. It's called MsTimer2 because it "hardcodes" a resolution of 1
millisecond on timer2
For Details see: http://www.arduino.cc/playground/Main/MsTimer2
*/
#include <MsTimer2.h>
// Switch on LED on and off each half second
#if defined(ARDUINO) && ARDUINO >= 100
const int led_pin = LED_BUILTIN; // 1.0 built in LED pin var
#else
#if defined(CORE_LED0_PIN)
const int led_pin = CORE_LED0_PIN; // 3rd party LED pin define
#else
const int led_pin = 13; // default to pin 13
#endif
#endif
void flash()
{
static boolean output = HIGH;
digitalWrite(led_pin, output);
output = !output;
}
void setup()
{
pinMode(led_pin, OUTPUT);
MsTimer2::set(500, flash); // 500ms period
MsTimer2::start();
}
void loop()
{
}
libraries/MsTimer2/keywords.txt
-4
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@@ -1,4 +0,0 @@
MsTimer2 KEYWORD1
set KEYWORD2
start KEYWORD2
stop KEYWORD2
libraries/MySensors/MyConfig.h
+4
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@@ -10,6 +10,10 @@
#define RF24_PA_LEVEL_GW RF24_PA_LEVEL //Gateway PA Level, defaults to Sensor net PA Level. Tune here if using an amplified nRF2401+ in your gateway.
#define BASE_RADIO_ID ((uint64_t)0xA8A8E1FC00LL) // This is also act as base value for sensor nodeId addresses. Change this (or channel) if you have more than one sensor network.
// MySensors online examples defaults
#define DEFAULT_CE_PIN 9
#define DEFAULT_CS_PIN 10
/***
* Enable/Disable debug logging
libraries/MySensors/MyGateway.cpp
+37 -29
View File
@@ -10,15 +10,21 @@
*/
#include "MyGateway.h"
#include "utility/MsTimer2.h"
#include "utility/PinChangeInt.h"
MyGateway::MyGateway(uint8_t _cepin, uint8_t _cspin, uint8_t _inclusion_time) : MySensor(_cepin, _cspin) {
ledMode = false;
inclusionTime = _inclusion_time;
}
uint8_t pinRx;
uint8_t pinTx;
uint8_t pinEr;
boolean buttonTriggeredInclusion;
volatile uint8_t countRx;
volatile uint8_t countTx;
volatile uint8_t countErr;
boolean inclusionMode; // Keeps track on inclusion mode
MyGateway::MyGateway(uint8_t _cepin, uint8_t _cspin, uint8_t _inclusion_time, uint8_t _inclusion_pin, uint8_t _rx, uint8_t _tx, uint8_t _er) : MySensor(_cepin, _cspin) {
ledMode = true;
pinInclusion = _inclusion_pin;
inclusionTime = _inclusion_time;
pinRx = _rx;
@@ -26,6 +32,7 @@ MyGateway::MyGateway(uint8_t _cepin, uint8_t _cspin, uint8_t _inclusion_time, ui
pinEr = _er;
}
void MyGateway::begin(rf24_pa_dbm_e paLevel, uint8_t channel, rf24_datarate_e dataRate, void (*inDataCallback)(char *)) {
Serial.begin(BAUD_RATE);
repeaterMode = true;
@@ -47,25 +54,23 @@ void MyGateway::begin(rf24_pa_dbm_e paLevel, uint8_t channel, rf24_datarate_e da
countTx = 0;
countErr = 0;
if (ledMode) {
// Setup led pins
pinMode(pinRx, OUTPUT);
pinMode(pinTx, OUTPUT);
pinMode(pinEr, OUTPUT);
digitalWrite(pinRx, LOW);
digitalWrite(pinTx, LOW);
digitalWrite(pinEr, LOW);
// Setup led pins
pinMode(pinRx, OUTPUT);
pinMode(pinTx, OUTPUT);
pinMode(pinEr, OUTPUT);
digitalWrite(pinRx, LOW);
digitalWrite(pinTx, LOW);
digitalWrite(pinEr, LOW);
// Setup digital in that triggers inclusion mode
pinMode(pinInclusion, INPUT);
digitalWrite(pinInclusion, HIGH);
// Setup digital in that triggers inclusion mode
pinMode(pinInclusion, INPUT);
digitalWrite(pinInclusion, HIGH);
// Set initial state of leds
digitalWrite(pinRx, HIGH);
digitalWrite(pinTx, HIGH);
digitalWrite(pinEr, HIGH);
// Set initial state of leds
digitalWrite(pinRx, HIGH);
digitalWrite(pinTx, HIGH);
digitalWrite(pinEr, HIGH);
}
// Start up the radio library
setupRadio(paLevel, channel, dataRate);
@@ -73,21 +78,24 @@ void MyGateway::begin(rf24_pa_dbm_e paLevel, uint8_t channel, rf24_datarate_e da
RF24::openReadingPipe(CURRENT_NODE_PIPE, BASE_RADIO_ID);
RF24::startListening();
// Add led timer interrupt
MsTimer2::set(300, ledTimersInterrupt);
MsTimer2::start();
// Add interrupt for inclusion button to pin
PCintPort::attachInterrupt(pinInclusion, startInclusionInterrupt, RISING);
// Send startup log message on serial
serial(PSTR("0;0;%d;0;%d;Arduino startup complete.\n"), C_INTERNAL, I_LOG_MESSAGE);
serial(PSTR("0;0;%d;0;%d;Gateway startup complete.\n"), C_INTERNAL, I_GATEWAY_READY);
}
boolean MyGateway::isLedMode() {
return ledMode;
}
void MyGateway::startInclusionInterrupt() {
void startInclusionInterrupt() {
buttonTriggeredInclusion = true;
}
void MyGateway::checkButtonTriggeredInclusion() {
if (buttonTriggeredInclusion) {
// Ok, someone pressed the inclusion button on the gateway
@@ -243,7 +251,7 @@ void MyGateway::serial(MyMessage &msg) {
}
void MyGateway::ledTimersInterrupt() {
void ledTimersInterrupt() {
if(countRx && countRx != 255) {
// switch led on
digitalWrite(pinRx, LOW);
libraries/MySensors/MyGateway.h
+5 -20
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@@ -14,8 +14,8 @@
#include "MySensor.h"
#define MAX_RECEIVE_LENGTH 100 // Max buffersize needed for messages coming from vera
#define MAX_SEND_LENGTH 120 // Max buffersize needed for messages coming from vera
#define MAX_RECEIVE_LENGTH 100 // Max buffersize needed for messages coming from controller
#define MAX_SEND_LENGTH 120 // Max buffersize needed for messages destined for controller
class MyGateway : public MySensor
{
@@ -36,43 +36,27 @@ class MyGateway : public MySensor
* @param _er Digital pin for error led
*
*/
MyGateway(uint8_t _cepin=9, uint8_t _cspin=10, uint8_t _inclusion_time = 1);
MyGateway(uint8_t _cepin, uint8_t _cspin, uint8_t _inclusion_time, uint8_t _inclusion_pin, uint8_t _rx, uint8_t _tx, uint8_t _er);
MyGateway(uint8_t _cepin=DEFAULT_CE_PIN, uint8_t _cspin=DEFAULT_CS_PIN, uint8_t _inclusion_time = 1, uint8_t _inclusion_pin = 3, uint8_t _rx=6, uint8_t _tx=5, uint8_t _er=4);
/* Use this and pass a function that should be called when you want to process commands that arrive from radio network */
void begin(rf24_pa_dbm_e paLevel=RF24_PA_LEVEL_GW, uint8_t channel=RF24_CHANNEL, rf24_datarate_e dataRate=RF24_DATARATE, void (*dataCallback)(char *)=NULL);
void processRadioMessage();
void parseAndSend(char *inputString);
boolean isLedMode();
void ledTimersInterrupt();
void startInclusionInterrupt();
private:
char convBuf[MAX_PAYLOAD*2+1];
char serialBuffer[MAX_SEND_LENGTH]; // Buffer for building string when sending data to vera
unsigned long inclusionStartTime;
boolean inclusionMode; // Keeps track on inclusion mode
boolean buttonTriggeredInclusion;
volatile uint8_t countRx;
volatile uint8_t countTx;
volatile uint8_t countErr;
boolean ledMode;
boolean useWriteCallback;
void (*dataCallback)(char *);
uint8_t pinInclusion;
uint8_t inclusionTime;
uint8_t pinRx;
uint8_t pinTx;
uint8_t pinEr;
uint8_t h2i(char c);
void serial(const char *fmt, ... );
void serial(MyMessage &msg);
void interruptStartInclusion();
void checkButtonTriggeredInclusion();
void setInclusionMode(boolean newMode);
void checkInclusionFinished();
@@ -82,6 +66,7 @@ class MyGateway : public MySensor
void errBlink(uint8_t cnt);
};
void ledTimersInterrupt();
void startInclusionInterrupt();
#endif
libraries/MySensors/MyMessage.h
+2 -2
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@@ -39,7 +39,7 @@ typedef enum {
V_IMPEDANCE, V_ARMED, V_TRIPPED, V_WATT, V_KWH, V_SCENE_ON, V_SCENE_OFF,
V_HEATER, V_HEATER_SW, V_LIGHT_LEVEL, V_VAR1, V_VAR2, V_VAR3, V_VAR4, V_VAR5,
V_UP, V_DOWN, V_STOP, V_IR_SEND, V_IR_RECEIVE, V_FLOW, V_VOLUME, V_LOCK_STATUS,
V_DUST_LEVEL
V_DUST_LEVEL, V_VOLTAGE, V_CURRENT
} data;
// Type of internal messages (for internal messages)
@@ -47,7 +47,7 @@ typedef enum {
I_BATTERY_LEVEL, I_TIME, I_VERSION, I_ID_REQUEST, I_ID_RESPONSE,
I_INCLUSION_MODE, I_CONFIG, I_FIND_PARENT, I_FIND_PARENT_RESPONSE,
I_LOG_MESSAGE, I_CHILDREN, I_SKETCH_NAME, I_SKETCH_VERSION,
I_REBOOT
I_REBOOT, I_GATEWAY_READY
} internal;
// Type of sensor (for presentation message)
libraries/MySensors/MySensor.h
+2 -2
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@@ -88,10 +88,10 @@ class MySensor : public RF24
*
* Creates a new instance of Sensor class.
*
* @param _cepin The pin attached to RF24 Chip Enable on the RF module (defualt 9)
* @param _cepin The pin attached to RF24 Chip Enable on the RF module (default 9)
* @param _cspin The pin attached to RF24 Chip Select (default 10)
*/
MySensor(uint8_t _cepin=9, uint8_t _cspin=10);
MySensor(uint8_t _cepin=DEFAULT_CE_PIN, uint8_t _cspin=DEFAULT_CS_PIN);
/**
* Begin operation of the MySensors library
libraries/MsTimer2/MsTimer2.cpp → libraries/MySensors/utility/MsTimer2.cpp
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libraries/MsTimer2/MsTimer2.h → libraries/MySensors/utility/MsTimer2.h
View File
libraries/PinChangeInt/PinChangeInt.h → libraries/MySensors/utility/PinChangeInt.h
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libraries/PinChangeInt/Examples/ByteBuffer/ByteBuffer.cpp
-272
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@@ -1,272 +0,0 @@
/*
ByteBuffer.cpp - A circular buffer implementation for Arduino
Created by Sigurdur Orn, July 19, 2010.
siggi@mit.edu
Updated by GreyGnome (aka Mike Schwager) Thu Feb 23 17:25:14 CST 2012
added the putString() method and the fillError variable.
added the checkError() and resetError() methods. The checkError() method resets the fillError variable
to false as a side effect.
added the ByteBuffer(unsigned int buf_size) constructor.
added the init() method, and had the constructor call it automagically.
Also made the capacity, position, length, and fillError variables volatile, for safe use by interrupts.
*/
#include "ByteBuffer.h"
void ByteBuffer::init(){
ByteBuffer::init(DEFAULTBUFSIZE);
}
void ByteBuffer::init(unsigned int buf_length){
data = (byte*)malloc(sizeof(byte)*buf_length);
capacity = buf_length;
position = 0;
length = 0;
fillError=false;
}
void ByteBuffer::deAllocate(){
free(data);
}
void ByteBuffer::clear(){
position = 0;
length = 0;
}
void ByteBuffer::resetError(){
fillError=false;
}
boolean ByteBuffer::checkError(){
/*
if (fillError) {
Serial.print("E: checkError: length ");
Serial.println(length, DEC);
}
*/
boolean result=fillError;
fillError=false;
return(result);
}
int ByteBuffer::getSize(){
return length;
}
int ByteBuffer::getCapacity(){
return capacity;
}
byte ByteBuffer::peek(unsigned int index){
byte b = data[(position+index)%capacity];
return b;
}
uint8_t ByteBuffer::put(byte in){
if(length < capacity){
// save data byte at end of buffer
data[(position+length) % capacity] = in;
// increment the length
length++;
return 1;
}
// return failure
//Serial.print("E: put: ");
//Serial.println(length, DEC);
fillError=true;
return 0;
}
uint8_t ByteBuffer::putString(char *in){
uint8_t count=0;
char *inString;
inString=in;
uint8_t oldSREG = SREG; cli();
while(length <= capacity){
if (length == capacity) {
fillError=true;
return count;
}
// save data byte at end of buffer
data[(position+length) % capacity] = *inString;
// increment the length
length++;
inString++;
count++;
if (*inString == 0) {
if (count==0) fillError=true; // Serial.println("E: putString"); };
SREG = oldSREG; // Restore register; reenables interrupts
return count;
}
}
SREG = oldSREG; // Restore register; reenables interrupts
return count;
}
uint8_t ByteBuffer::putInFront(byte in){
uint8_t oldSREG = SREG; cli();
if(length < capacity){
// save data byte at end of buffer
if( position == 0 )
position = capacity-1;
else
position = (position-1)%capacity;
data[position] = in;
// increment the length
length++;
SREG = oldSREG; // Restore register; reenables interrupts
return 1;
}
// return failure
//Serial.println("E: putInFront");
fillError=true;
SREG = oldSREG; // Restore register; reenables interrupts
return 0;
}
byte ByteBuffer::get(){
uint8_t oldSREG = SREG; cli();
byte b = 0;
if(length > 0){
b = data[position];
// move index down and decrement length
position = (position+1)%capacity;
length--;
}
SREG = oldSREG; // Restore register; reenables interrupts
return b;
}
byte ByteBuffer::getFromBack(){
byte b = 0;
if(length > 0){
uint8_t oldSREG = SREG; cli();
b = data[(position+length-1)%capacity];
length--;
SREG = oldSREG; // Restore register; reenables interrupts
}
return b;
}
//
// Ints
//
void ByteBuffer::putIntInFront(int in){
byte *pointer = (byte *)&in;
putInFront(pointer[0]);
putInFront(pointer[1]);
}
void ByteBuffer::putInt(int in){
byte *pointer = (byte *)&in;
put(pointer[1]);
put(pointer[0]);
}
int ByteBuffer::getInt(){
int ret;
byte *pointer = (byte *)&ret;
pointer[1] = get();
pointer[0] = get();
return ret;
}
int ByteBuffer::getIntFromBack(){
int ret;
byte *pointer = (byte *)&ret;
pointer[0] = getFromBack();
pointer[1] = getFromBack();
return ret;
}
//
// Longs
//
void ByteBuffer::putLongInFront(long in){
byte *pointer = (byte *)&in;
putInFront(pointer[0]);
putInFront(pointer[1]);
putInFront(pointer[2]);
putInFront(pointer[3]);
}
void ByteBuffer::putLong(long in){
byte *pointer = (byte *)&in;
put(pointer[3]);
put(pointer[2]);
put(pointer[1]);
put(pointer[0]);
}
long ByteBuffer::getLong(){
long ret;
byte *pointer = (byte *)&ret;
pointer[3] = get();
pointer[2] = get();
pointer[1] = get();
pointer[0] = get();
return ret;
}
long ByteBuffer::getLongFromBack(){
long ret;
byte *pointer = (byte *)&ret;
pointer[0] = getFromBack();
pointer[1] = getFromBack();
pointer[2] = getFromBack();
pointer[3] = getFromBack();
return ret;
}
//
// Floats
//
void ByteBuffer::putFloatInFront(float in){
byte *pointer = (byte *)&in;
putInFront(pointer[0]);
putInFront(pointer[1]);
putInFront(pointer[2]);
putInFront(pointer[3]);
}
void ByteBuffer::putFloat(float in){
byte *pointer = (byte *)&in;
put(pointer[3]);
put(pointer[2]);
put(pointer[1]);
put(pointer[0]);
}
float ByteBuffer::getFloat(){
float ret;
byte *pointer = (byte *)&ret;
pointer[3] = get();
pointer[2] = get();
pointer[1] = get();
pointer[0] = get();
return ret;
}
float ByteBuffer::getFloatFromBack(){
float ret;
byte *pointer = (byte *)&ret;
pointer[0] = getFromBack();
pointer[1] = getFromBack();
pointer[2] = getFromBack();
pointer[3] = getFromBack();
return ret;
}
libraries/PinChangeInt/Examples/ByteBuffer/ByteBuffer.h
-104
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@@ -1,104 +0,0 @@
/*
ByteBuffer.h - A circular buffer implementation for Arduino
Created by Sigurdur Orn, July 19, 2010. siggi@mit.edu
Updated by GreyGnome (aka Mike Schwager) Thu Feb 23 17:25:14 CST 2012
added the putString() method and the fillError variable.
added the checkError() and resetError() methods. The checkError() method resets the fillError variable
to false as a side effect.
added the ByteBuffer(unsigned int buf_size) constructor.
added the init() method, and had the constructor call it automagically.
protected certain sections of the code with cli()/sei() calls, for safe use by interrupts.
Also made the capacity, position, length, and fillError variables volatile, for safe use by interrupts.
*/
#ifndef ByteBuffer_h
#define ByteBuffer_h
#if defined(ARDUINO) && ARDUINO >= 100
#include <Arduino.h>
#else
#include <WProgram.h>
#endif
//#include <util/atomic.h>
#define DEFAULTBUFSIZE 32
class ByteBuffer
{
public:
ByteBuffer() {
init();
};
ByteBuffer(unsigned int buf_size) {
init(buf_size);
};
// This method initializes the datastore of the buffer to a certain size.
void init(unsigned int buf_size);
// This method initializes the datastore of the buffer to the default size.
void init();
// This method resets the buffer into an original state (with no data)
void clear();
// This method resets the fillError variable to false.
void resetError();
// This method tells you if your buffer overflowed at some time since the last
// check. The error state will be reset to false.
boolean checkError();
// This releases resources for this buffer, after this has been called the buffer should NOT be used
void deAllocate();
// Returns how much space is used in the buffer
int getSize();
// Returns the maximum capacity of the buffer
int getCapacity();
// This method returns the byte that is located at index in the buffer but doesn't modify the buffer like the get methods (doesn't remove the retured byte from the buffer)
byte peek(unsigned int index);
//
// Put methods, either a regular put in back or put in front
//
uint8_t putInFront(byte in);
uint8_t put(byte in);
uint8_t putString(char *in);
void putIntInFront(int in);
void putInt(int in);
void putLongInFront(long in);
void putLong(long in);
void putFloatInFront(float in);
void putFloat(float in);
//
// Get methods, either a regular get from front or from back
//
byte get();
byte getFromBack();
int getInt();
int getIntFromBack();
long getLong();
long getLongFromBack();
float getFloat();
float getFloatFromBack();
private:
byte* data;
volatile unsigned int capacity;
volatile unsigned int position;
volatile unsigned int length;
volatile boolean fillError;
};
#endif
libraries/PinChangeInt/Examples/GetPSTR/GetPSTR.h
-21
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@@ -1,21 +0,0 @@
#ifndef INCLUDE_GETPSTR
#define INCLUDE_GETPSTR
#if defined(ARDUINO) && ARDUINO >= 100
#include <Arduino.h>
#else
#include "pins_arduino.h"
#include "WProgram.h"
#include "wiring.h"
#endif
#define getPSTR(s) pgmStrToRAM(PSTR(s))
char *_pstr_to_print;
char *pgmStrToRAM(PROGMEM char *theString) {
free(_pstr_to_print);
_pstr_to_print=(char *) malloc(strlen_P(theString));
strcpy_P(_pstr_to_print, theString);
return (_pstr_to_print);
}
#endif
libraries/PinChangeInt/Examples/PinChangeIntExample/PinChangeIntExample.pde
-77
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@@ -1,77 +0,0 @@
// PinChangeIntExample, version 1.1 Sun Jan 15 06:24:19 CST 2012
// See the Wiki at http://code.google.com/p/arduino-pinchangeint/wiki for more information.
//-------- define these in your sketch, if applicable ----------------------------------------------------------
// You can reduce the memory footprint of this handler by declaring that there will be no pin change interrupts
// on any one or two of the three ports. If only a single port remains, the handler will be declared inline
// reducing the size and latency of the handler.
//#define NO_PORTB_PINCHANGES // to indicate that port b will not be used for pin change interrupts
//#define NO_PORTC_PINCHANGES // to indicate that port c will not be used for pin change interrupts
// #define NO_PORTD_PINCHANGES // to indicate that port d will not be used for pin change interrupts
// if there is only one PCInt vector in use the code can be inlined
// reducing latency and code size
// define DISABLE_PCINT_MULTI_SERVICE below to limit the handler to servicing a single interrupt per invocation.
// #define DISABLE_PCINT_MULTI_SERVICE
//-------- define the above in your sketch, if applicable ------------------------------------------------------
#include <PinChangeInt.h>
// This example demonstrates a configuration of 3 interrupting pins and 2 interrupt functions.
// All interrupts are serviced immediately, but one of the pins (pin 4) will show you immediately
// on the Terminal. The other function connected to 2 pins sets an array member that is queried in loop().
// You can then query the array at your leisure.
// This makes loop timing non-critical.
// Add more Pins at your leisure.
// For the Analog Input pins used as digital input pins, and you can use 14, 15, 16, etc.
// or you can use A0, A1, A2, etc. (the Arduino code comes with #define's
// for the Analog Input pins and will properly recognize e.g., pinMode(A0, INPUT);
#define PIN1 2
#define PIN2 3
#define PIN3 4
uint8_t latest_interrupted_pin;
uint8_t interrupt_count[20]={0}; // 20 possible arduino pins
void quicfunc() {
latest_interrupted_pin=PCintPort::arduinoPin;
interrupt_count[latest_interrupted_pin]++;
};
// You can assign any number of functions to any number of pins.
// How cool is that?
void pin3func() {
Serial.print("Pin "); Serial.print(PIN3, DEC); Serial.println("!");
}
void setup() {
pinMode(PIN1, INPUT); digitalWrite(PIN1, HIGH);
PCintPort::attachInterrupt(PIN1, &quicfunc, FALLING); // add more attachInterrupt code as required
pinMode(PIN2, INPUT); digitalWrite(PIN2, HIGH);
PCintPort::attachInterrupt(PIN2, &quicfunc, FALLING);
pinMode(PIN3, INPUT); digitalWrite(PIN3, HIGH);
PCintPort::attachInterrupt(PIN3, &pin3func, CHANGE);
Serial.begin(115200);
Serial.println("---------------------------------------");
}
uint8_t i;
void loop() {
uint8_t count;
Serial.print(".");
delay(1000);
for (i=0; i < 20; i++) {
if (interrupt_count[i] != 0) {
count=interrupt_count[i];
interrupt_count[i]=0;
Serial.print("Count for pin ");
if (i < 14) {
Serial.print("D");
Serial.print(i, DEC);
} else {
Serial.print("A");
Serial.print(i-14, DEC);
}
Serial.print(" is ");
Serial.println(count, DEC);
}
}
}
libraries/PinChangeInt/Examples/PinChangeIntSpeedTest/PinChangeIntSpeedTest.pde
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// PinChangeIntSpeedTest by GreyGnome aka Mike Schwager. Version numbers here refer to this sketch.
// Version 1.0 - initial version
// Version 1.1 - added code to test digitalRead()
// Version 1.2 - added new comments for the #define's for the NO_PORTx_PINCHANGES.
// Version 1.3 - includes cbiface.h with ooPinChangeInt, rather than cb.h
// Version 1.4 - testing version 2.10Beta with robtillaart's optimization
// Also added a #define/#undef INLINE_PCINTFUNC for inlining of the function called by the interrupt.
// Default: #undef for using the function as per usual. Changed PCIVERSION so that
// ooPinChangeInt starts at 1000 instead of 200. Modified the "Start" message to show "Start..", pause
// for 1 second, show "*\n" (where \n is a newline), pause for 1 second, then run the test.
// Version 1.4 - made this compatible with version 1.5 of PinChangeInt
// Version 1.5 - modified it to use #define OOPCIVERSION for ooPinChangeInt
// This version number is for ooPinChangeInt
//#define OOPCIVERSION 1030
#ifndef OOPCIVERSION
#define PCIVERSION 217 // 110 if using PinChangeInt-1.1, 120 for version 1.2
// 1000 for ooPinChangeIntversion 1.00, 1001 for ooPinChangeInt version 1.01, etc.
#endif
//-------- define these in your sketch, if applicable ----------------------------------------------------------
// You can reduce the memory footprint of this handler by declaring that there will be no pin change interrupts
// on any one or two of the three ports. If only a single port remains, the handler will be declared inline
// reducing the size and latency of the handler.
#undef NO_PORTB_PINCHANGES // to indicate that port b will not be used for pin change interrupts
#undef NO_PORTC_PINCHANGES // to indicate that port c will not be used for pin change interrupts
// #define NO_PORTD_PINCHANGES // to indicate that port d will not be used for pin change interrupts
// You can reduce the code size by 20-50 bytes, and you can speed up the interrupt routine
// slightly by declaring that you don't care if the static variables PCintPort::pinState and/or
// PCintPort::arduinoPin are set and made available to your interrupt routine.
// #define NO_PIN_STATE // to indicate that you don't need the pinState
// #define NO_PIN_NUMBER // to indicate that you don't need the arduinoPin
// if there is only one PCInt vector in use the code can be inlined
// reducing latency and code size
// define DISABLE_PCINT_MULTI_SERVICE below to limit the handler to servicing a single interrupt per invocation.
//#define DISABLE_PCINT_MULTI_SERVICE
//-------- define the above in your sketch, if applicable ------------------------------------------------------
#if defined(OOPCIVERSION)
#define LIBRARYUNDERTEST "ooPinChangeInt"
#include <ooPinChangeInt.h>
#if PCIVERSION == 1001
#include <cb.h>
#else
#include <cbiface.h>
#endif
#else
#define LIBRARYUNDERTEST "PinChangeInt"
#include <PinChangeInt.h>
#endif
#define SERIALSTUFF // undef to take out all serial statements. Default: #define for measuring time.
#undef MEMTEST // undef to take out memory tests. Default: #undef for measuring time.
#undef INLINE_PCINTFUNC // define to inline the function called from the interrupt. This should have no effect,
// because the compiler will store the registers upon calling the interrupt routine, just
// like calling a function. Still, we test all assumptions.
//-----------------------
// NOTE: BECAUSE OF COLLISIONS in these libraries, you CANNOT have both libraries: PinChangeInt
// and ooPinChangeInt in the libraries directory at the same time. That said, under UNIX-y operating
// systems, it's easy to move the library directory to a name such as "PinChangeInt-1.3", which the
// Arduino will not recognize, and then create a symbolic link when you want to use a library. Such as:
// cd ~/Documents/Arduino/libaries
// mv PinChangeInt PinChangeInt-1.30
// mv ooPinChangeInt ooPinChangeInt-1.00
// ln -s PinChangeInt-1.30 PinChangeInt
#undef FLASH // to flash LED on pin 13 during test
#ifdef MEMTEST
#include <MemoryFree.h>
#endif
#define TEST 6
#if TEST == 1
#define PTEST 2 // pin to trigger interrupt. pins 0 and 1 are used
#define PLOW 2 // by Serial, so steer clear of them!
#define PHIGH 2 // Interrupts are attached to these pins
#elif TEST == 2 // see the #if TEST == 2 || TEST == 3 code, below
#define PTEST 2
#define PLOW 2
#define PHIGH 2 // need to attachInterrupt to 5 in the code
#elif TEST == 3 // see the #if TEST == 2 || TEST == 3 code, below
#define PTEST 5
#define PLOW 2
#define PHIGH 2 // need to attachInterrupt to 5 in the code
#elif TEST == 4
#define PTEST 2
#define PLOW 2
#define PHIGH 5
#elif TEST == 5
#define PTEST 3
#define PLOW 2
#define PHIGH 5
#elif TEST == 6
#define PTEST 4
#define PLOW 2
#define PHIGH 5
#elif TEST == 7
#define PTEST 5
#define PLOW 2
#define PHIGH 5
#endif
uint8_t qf0;
#ifdef INLINE_PCINTFUNC
#define INLINE_PCINTFUNC inline
#else
#define INLINE_PCINTFUNC
#endif
INLINE_PCINTFUNC void quicfunc();
void quicfunc() {
qf0=TCNT0;
}
#if defined(OOPCIVERSION)
class speedy : public CallBackInterface
{
public:
uint8_t id;
static uint8_t var0;
speedy () { id=0; };
speedy (uint8_t _i): id(_i) {};
void cbmethod() {
speedy::var0=TCNT0;
//Serial.print("Speedy method "); // debugging
//Serial.println(id, DEC);
};
};
uint8_t speedy::var0=0;
#endif
volatile uint8_t *led_port;
volatile uint8_t *pinT_OP;
volatile uint8_t *pinT_IP;
uint8_t led_mask, not_led_mask;
uint8_t pinT_M, not_pinT_M;
volatile uint8_t pintest, pinIntLow, pinIntHigh;
uint8_t totalpins;
#if defined(OOPCIVERSION)
speedy speedster[8]={speedy(0), speedy(1), speedy(2), speedy(3), speedy(4), speedy(5), speedy(6), speedy(7) };
#endif
#ifdef MEMTEST
int freemem;
#endif
int i=0;
#define PINLED 13
void setup()
{
#ifdef SERIALSTUFF
Serial.begin(115200); Serial.println("---------------------------------------");
#endif // SERIALSTUFF
// set up ports for trigger
pinMode(0, OUTPUT); digitalWrite(0, HIGH);
pinMode(1, OUTPUT); digitalWrite(1, HIGH);
pinMode(2, OUTPUT); digitalWrite(2, HIGH);
pinMode(3, OUTPUT); digitalWrite(3, HIGH);
pinMode(4, OUTPUT); digitalWrite(4, HIGH);
pinMode(5, OUTPUT); digitalWrite(5, HIGH);
pinMode(6, OUTPUT); digitalWrite(6, HIGH);
pinMode(7, OUTPUT); digitalWrite(7, HIGH);
#ifdef FLASH
led_port=portOutputRegister(digitalPinToPort(PINLED));
led_mask=digitalPinToBitMask(PINLED);
not_led_mask=led_mask^0xFF;
pinMode(PINLED, OUTPUT); digitalWrite(PINLED, LOW);
#endif
// *****************************************************************************
// set up ports for output ************ PIN TO TEST IS GIVEN HERE **************
// *****************************************************************************
pintest=PTEST;
pinIntLow=PLOW; pinIntHigh=PHIGH; // Interrupts are attached to these pins
// *****************************************************************************
// *****************************************************************************
pinT_OP=portOutputRegister(digitalPinToPort(pintest)); // output port
pinT_IP=portInputRegister(digitalPinToPort(pintest)); // input port
pinT_M=digitalPinToBitMask(pintest); // mask
not_pinT_M=pinT_M^0xFF; // not-mask
*pinT_OP|=pinT_M;
for (i=pinIntLow; i <= pinIntHigh; i++) {
#if defined(OOPCIVERSION)
PCintPort::attachInterrupt(i, &speedster[i], CHANGE); // C++ technique; v1.3 or better
#endif
#if defined(PCIVERSION)
PCintPort::attachInterrupt((uint8_t) i, &quicfunc, CHANGE); // C technique; v1.2 or earlier
#endif
}
#if TEST == 2 || TEST == 3
i=5; totalpins=2;
#if defined(OOPCIVERSION)
PCintPort::attachInterrupt(i, &speedster[i], CHANGE); // C++ technique; v1.3 or better
#endif
#if defined(PCIVERSION)
PCintPort::attachInterrupt(i, &quicfunc, CHANGE); // C technique; v1.2 or earlier
#endif
#else
totalpins=pinIntHigh - pinIntLow + 1;
#endif
i=0;
} // end setup()
uint8_t k=0;
unsigned long milliStart, milliEnd, elapsed;
void loop() {
k=0;
*pinT_OP|=pinT_M; // pintest to 1
#ifdef SERIALSTUFF
Serial.print(LIBRARYUNDERTEST); Serial.print(" ");
Serial.print("TEST: "); Serial.print(TEST, DEC); Serial.print(" ");
#ifndef MEMTEST
Serial.print("test pin mask: "); Serial.print(pinT_M, HEX);
Serial.print(". Total of "); Serial.print(totalpins, DEC); Serial.println(" pins enabled.");
#endif
#ifdef MEMTEST
freemem=freeMemory(); Serial.print("Free memory: "); Serial.println(freemem, DEC);
#endif
#endif
delay(1000);
Serial.print("Start..");
delay(1000); Serial.print("*");
#ifdef FLASH
*led_port|=led_mask;
#endif
milliStart=millis();
while (k < 10) {
i=0;
while (i < 10000) {
*pinT_OP&=not_pinT_M; // pintest to 0 ****************************** 16.8 us
*pinT_OP|=pinT_M; // pintest to 1 ****************************** ...to get here
i++;
}
k++;
}
milliEnd=millis();
#ifdef FLASH
*led_port&=not_led_mask;
#endif
elapsed=milliEnd-milliStart;
#ifndef MEMTEST
Serial.print(" Elapsed: ");
Serial.println(elapsed, DEC);
#endif
#ifdef SERIALSTUFF
Serial.print("Interrupted pin: ");
#if defined(OOPCIVERSION)
Serial.println(speedster[pintest].id, DEC);
#else
Serial.println(PCintPort::arduinoPin, DEC);
#endif
#ifdef MEMTEST
freemem=freeMemory(); Serial.print("END-Free memory: "); Serial.println(freemem, DEC);
#endif
#endif
delay(500);
}
libraries/PinChangeInt/Examples/PinChangeIntTest/PinChangeIntTest.pde
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// PinChangeIntTest
// version 1.0 Wed Feb 15 07:25:09 CST 2012
// Version 1.1 Fri Jun 22 19:10:50 CDT 2012 minor tweaks to eliminate compiler warnings. Also, there were bugfixes in ByteBuffer.
// I had some "cli()" without "sei()" in there.
// See the Wiki at http://code.google.com/p/arduino-pinchangeint/wiki for more information.
// This sketch requires the ByteBuffer library, which is found in the PinChangeInt zipfile.
//-------- define these in your sketch, if applicable ----------------------------------------------------------
//-------- This must go ahead of the #include statement --------------------------------------------------------
// You can reduce the memory footprint of this handler by declaring that there will be no pin change interrupts
// on any one or two of the three ports. If only a single port remains, the handler will be declared inline
// reducing the size and latency of the handler.
// #define NO_PORTB_PINCHANGES // to indicate that port b will not be used for pin change interrupts
// #define NO_PORTC_PINCHANGES // to indicate that port c will not be used for pin change interrupts
// #define NO_PORTD_PINCHANGES // to indicate that port d will not be used for pin change interrupts
// You can reduce the code size by 20-50 bytes, and you can speed up the interrupt routine
// slightly by declaring that you don't care if the static variables PCintPort::pinState and/or
// PCintPort::arduinoPin are set and made available to your interrupt routine.
// #define NO_PIN_STATE // to indicate that you don't need the pinState
// #define NO_PIN_NUMBER // to indicate that you don't need the arduinoPin
// if there is only one PCInt vector in use the code can be inlined
// reducing latency and code size
// define DISABLE_PCINT_MULTI_SERVICE below to limit the handler to servicing a single interrupt per invocation.
// #define DISABLE_PCINT_MULTI_SERVICE
// The following is intended for testing purposes. If defined, then a variable PCintPort::pinMode can be read
// in your interrupt subroutine. It is not defined by default:
// #define PINMODE
//-------- define the above in your sketch, if applicable ------------------------------------------------------
#define PINMODE
#define FLASH
#include <ByteBuffer.h>
#include <PinChangeInt.h>
// This example demonstrates a configuration of 6 interrupting pins and 3 interrupt functions.
// A variety of interrupting pins have been chosen, so as to test all PORTs on the Arduino.
// The pins are as follows:
#define tPIN1 2 // port D
#define tPIN2 3
#define tPIN3 11 // Port B
#define tPIN4 12
#define tPIN5 A3 // Port C, also can be given as "17"
#define tPIN6 A4 // starts and stops the count
// All pins send interrupts. Arduino pins 2 and A4 (tPIN1,6) interrupt on FALLING.
// Arduino pins 3 and 12 (tPIN2,4) interrupt on RISING.
// Arduino pins 11 and A3 (tPIN5) interrupts on CHANGE.
// quicfunc0 is attached to Arduino pins 2, 3, 11, and 12 (tPIN1-4)
// quicfunc1 is attached to Arduino pin A3 (tPIN5)
// quicfunc2 is attached to Arduino pin A4 (tPIN6).
// NOTE:
// For the Analog Input pins used as digital input pins, you can use numbers such as 14, 15, 16, etc.
// or you can use A0, A1, A2, etc. (the Arduino code comes with #define's for the Analog Input pin
// names and will properly recognize e.g., pinMode(A0, INPUT));
// HOW IT WORKS
// The interrupt on Arduino pin A4 (tPIN6) will, when triggered, start the counting of interrupts.
// The array interrupt_count0[20] is updated in the interrupts; each cell keeps track of the number
// of interrupts on one of the 20 available interrupt pins on the Arduino. Every second in the main
// loop the array is scanned and registered interrupts are reported for all pins interrupted since
// the previous second. If no interrupts, the output is quiet.
// tPIN6 is special. Not only does it start the counting of the interrups, but it turns on and off
// interrupts on pins 2, 11, and A3/17 (tPIN1, tPIN3, tPIN5). All pins start by interrupting, but after
// the count is turned on and then turned off, the 3 pins are detached from interrupts.
// Everytime thereafter when the count is turned off the 3 pins are detached. They are reattached
// when turned on.
// Output is copied to a buffer, because we can't do a Serial.print() statement in an interrupt
// routine. The main loop checks for entries in the buffer and prints them if found.
// Output looks like this:
// -F- - an interrupt triggered by a falling signal occurred.
// +R+ - an interrupt triggered by a rising signal occurred.
// *C* - an interrupt triggered by a change in signal occurred.
// f#p#-P# - f# shows the interrupt subroutine that was called: 0, 1, or 2
// - p# shows the pin number that triggered the interrupt
// - P# shows the port that this pin number is attached to. 2 is PORTB, 3 is PORTC, 4 is PORTD
// HOW TO CONNECT
// Each pin gets a momentary contact switch connected to it. One side of the switch should connect
// to ground. The other side of the switch connects to the Arduino pin. For my purposes, I am using
// two rotary encoders. Each encoder contains 3 switches. But 6 regular pushbuttons would work, too.
/* WHAT TO LOOK FOR
Output is sent to the serial line, so the Arduino IDE's serial terminal should be opened.
Upon startup, press tPINS1-5. You will see output like this:
-F-f0p2-P4 (counting off)
..*C*f0p11-P2 (counting off)
+R+f0p3-P4 (counting off)
This shows that
1. an interrupt was triggered on a falling signal (*F*). It called (f0) function 0, which is quicfunc0.
The triggering pin was (p2) Arduuino pin 2, which is on (P4) Port 4 (PORTD). Counting of this interrupt is
off, so you will not see any output from the main loop.
2. Two dots appeared. Dots came from iterations of loop(), so these 2 dots show that the two interrupts happened 2 seconds apart.
3. an interrupt was triggered on a change in signal (*C*). It called quicfunc0, from Arduino pin 11, on Port 2 (PORTB).
The interrupt was not counted.
4. an interrupt was triggered on a rising signal (+R+). It called quicfunc0, from Arduino pin 3, on Purt 4 (PORTD).
The pin should have started out at the high level, so likely the signal fell during onother interrupt, and now
the rise has been caught.
Now press the button attached to tPIN6 (in our case, A4 or D18). You will see something like this:
-F-START! f2p18-P3
.Count for pin A4 is 1
This shows that
1. The counting machanism (START!) was triggered by a folling signal (-F-) on pin 18 (p18) which is in Port 3 (P3) (which == PORTC) and
function f2 was called (f2).
2. A dot appeared, which came from loop() because a second passed.
3. The count for p18 or A4 was displayed.
Now you will see messages for all the pins that you manipulate, for example:
*C*f0p11-P2
+R+f0p3-P4
*C*f0p11-P2
+R+f0p3-P4
*C*f0p11-P2
.Count for pin D3 is 6
Count for pin D11 is 9
.+R+f0p3-P4
-F-f0p2-P4
.Count for pin D2 is 1
Count for pin D3 is 1
These codes reflect the interrupts, as described above. This output will take place until you press tPIN6:
-F-f2: STOP! Counting off.
Interrupt OFF on tPIN1 (2) tPIN3 (11) tPIN5 (17)
Then you will see output like this:
.....................+R+f0p12-P2 (counting off)
.+R+f0p12-P2 (counting off)
+R+f0p12-P2 (counting off)
+R+f0p12-P2 (counting off)
and tPIN1, tPIN3, and tPIN5 will not trigger interrupts.
*/
// NOTES
// Output overwrites:
// It's possible during moderately fast interrupts to see your print output get garbled; eg,
// +R+f0p12-P2 (+R+f0p12-P2 (counting +R+f0p12-P2 (cou+R+f0p12-P+R+f0p12
// This is because the print of the buffer takes place inside a while loop, and it can
// be interrupted and new data inserted into the buffer at a midpoint of the buffer's text.
// Just by spinning my rotary encoders I can readily generate over 200 interrupts per second
// on a pin, which is easily fast enough to overrun Serial output at 115,200 bps.
// The lesson here? ...Interrupts are tricky, and interrupt service routines should be fast.
// Just sayin'.
// Pins:
// We want to use pins from each of ports B, C and D. So choose wisely. Ports are shown in
// this diagram of the ATmega328P chip. PD0 means "Port D, pin 0". PC3 means "Port C, Pin 3",
// PB2 means "Port B, pin 2" and so on. The corresponding Arduino pins are in parentheses.
// So PB2 is Arduino pin D 10, for example.
/*
+-\/-+
PC6 1| |28 PC5 (AI 5)
(D 0) PD0 2| |27 PC4 (AI 4)
(D 1) PD1 3| |26 PC3 (AI 3)
(D 2) PD2 4| |25 PC2 (AI 2)
PWM+ (D 3) PD3 5| |24 PC1 (AI 1)
(D 4) PD4 6| |23 PC0 (AI 0)
VCC 7| |22 GND
GND 8| |21 AREF
PB6 9| |20 AVCC
PB7 10| |19 PB5 (D 13)
PWM+ (D 5) PD5 11| |18 PB4 (D 12)
PWM+ (D 6) PD6 12| |17 PB3 (D 11) PWM
(D 7) PD7 13| |16 PB2 (D 10) PWM
(D 8) PB0 14| |15 PB1 (D 9) PWM
+----+
*/
uint8_t pins[6]={ tPIN1, tPIN2, tPIN3, tPIN4, tPIN5, tPIN6 };
uint8_t ports[6]={ 0, 0, 0, 0, 0, 0 };
uint8_t latest_interrupted_pin;
uint8_t interrupt_count[20]={0}; // 20 possible arduino pins
uint8_t port;
uint8_t mode;
ByteBuffer printBuffer(80);
char charArray[16];
char numBuffer[4] = { 0, 0, 0, 0 };
uint8_t printFull=0;
volatile boolean start=0;
volatile boolean initial=true;
long begintime=0;
long now=0;
void uint8ToString(char *outString, uint8_t number) {
uint8_t hundreds=0;
uint8_t tens=0;
uint8_t ones=0;
while (number >= 100 ) {
hundreds++;
number-=100;
}
while (number >= 10 ) {
tens++;
number-=10;
}
ones=number;
ones+=48;
if (hundreds > 0) { hundreds+=48; tens+=48; outString[0]=hundreds; outString[1]=tens; outString[2]=ones; outString[3]=0; }
else if (tens > 0) { tens+=48; outString[0]=tens; outString[1]=ones; outString[2]=0; }
else { outString[0]=ones; outString[1]=0; };
}
void showMode() {
switch (mode) {
case FALLING:
printBuffer.putString((char *) "-F-");
break;
case RISING:
printBuffer.putString((char *) "+R+");
break;
case CHANGE:
printBuffer.putString((char *) "*C*");
break;
}
}
void quicfunc0() {
latest_interrupted_pin=PCintPort::arduinoPin;
mode=PCintPort::pinmode;
showMode();
if (start==1) {
interrupt_count[latest_interrupted_pin]++;
}
uint8ToString(numBuffer, latest_interrupted_pin);
printBuffer.putString((char *) "f0p"); printBuffer.putString(numBuffer); printBuffer.putString((char *) "-P");
uint8ToString(numBuffer, digitalPinToPort(latest_interrupted_pin));
printBuffer.putString(numBuffer);
if (start !=1) printBuffer.putString((char *) " (counting off)");
printBuffer.putString((char *) "\n");
};
void quicfunc1() {
latest_interrupted_pin=PCintPort::arduinoPin;
mode=PCintPort::pinmode;
showMode();
if (start==1) {
interrupt_count[latest_interrupted_pin]++;
}
uint8ToString(numBuffer, latest_interrupted_pin);
printBuffer.putString((char *) "f1p"); printBuffer.putString(numBuffer); printBuffer.putString((char *) "-P");
uint8ToString(numBuffer, digitalPinToPort(latest_interrupted_pin));
printBuffer.putString(numBuffer);
if (start !=1) printBuffer.putString((char *) " (counting off)");
printBuffer.putString((char *) "\n");
};
void quicfunc2() {
latest_interrupted_pin=PCintPort::arduinoPin;
mode=PCintPort::pinmode;
showMode();
if (start == 1) {
printBuffer.putString((char *) "f2: STOP! Counting off.\n");
printBuffer.putString((char *) "Interrupt OFF on tPIN1 ("); uint8ToString(numBuffer, tPIN1), printBuffer.putString(numBuffer);
printBuffer.putString((char *) ") tPIN3 (");uint8ToString(numBuffer, tPIN3), printBuffer.putString(numBuffer);
printBuffer.putString((char *) ") tPIN5 (");uint8ToString(numBuffer, tPIN5), printBuffer.putString(numBuffer);
printBuffer.putString((char *) ")\n");
PCintPort::detachInterrupt(tPIN1); PCintPort::detachInterrupt(tPIN3); PCintPort::detachInterrupt(tPIN5);
start=0;
} else {
start=1;
interrupt_count[latest_interrupted_pin]++;
printBuffer.putString((char *) "START! f2p");
uint8ToString(numBuffer, latest_interrupted_pin);
printBuffer.putString(numBuffer); printBuffer.putString((char *) "-P");
uint8ToString(numBuffer, digitalPinToPort(latest_interrupted_pin));
printBuffer.putString(numBuffer); printBuffer.putString((char *) "\n");
if (! initial) {
PCintPort::attachInterrupt(tPIN1, &quicfunc0, FALLING);
PCintPort::attachInterrupt(tPIN3, &quicfunc0, CHANGE);
PCintPort::attachInterrupt(tPIN5, &quicfunc1, CHANGE);
} else {
initial=false;
}
}
};
uint8_t i;
void setup() {
Serial.begin(115200);
delay(250);
Serial.println("Test");
delay(500);
for (i=0; i < 7; i++) {
pinMode(pins[i], INPUT); digitalWrite(pins[i], HIGH);
ports[i]=digitalPinToPort(pins[i]);
switch (pins[i]) {
case tPIN1:
PCintPort::attachInterrupt(pins[i], &quicfunc0, FALLING);
break;
case tPIN3:
PCintPort::attachInterrupt(pins[i], &quicfunc0, CHANGE);
break;
case tPIN2:
case tPIN4:
PCintPort::attachInterrupt(pins[i], &quicfunc0, RISING);
break;
case tPIN5:
PCintPort::attachInterrupt(pins[i], &quicfunc1, CHANGE);
break;
case tPIN6:
PCintPort::attachInterrupt(pins[i], &quicfunc2, FALLING);
break;
}
}
//Serial.println(printBuffer.getCapacity(), DEC);
//Serial.println("*---------------------------------------*");
Serial.print("*---*");
delay(250);
begintime=millis();
}
void loop() {
now=millis();
uint8_t count;
char outChar;
// uint8_t bufsize;
//if (printBuffer.getSize() != 0) { Serial.print("SZ:"); Serial.println (printBuffer.getSize(), DEC); };
//bufsize=printBuffer.getSize();
//if (bufsize > 0) { Serial.print("S:"); Serial.println(bufsize); }
while ((outChar=(char)printBuffer.get()) != 0) Serial.print(outChar);
if ((now - begintime) > 1000) {
Serial.print(".");
if (printBuffer.checkError()) {
Serial.println("NOTICE: Some output lost due to filled buffer.");
}
for (i=0; i < 20; i++) {
if (interrupt_count[i] != 0) {
count=interrupt_count[i];
interrupt_count[i]=0;
Serial.print("Count for pin ");
if (i < 14) {
Serial.print("D");
Serial.print(i, DEC);
} else {
Serial.print("A");
Serial.print(i-14, DEC);
}
Serial.print(" is ");
Serial.println(count, DEC);
}
}
begintime=millis();
}
}
libraries/PinChangeInt/Examples/PinChangeIntTest2/PinChangeIntTest2.ino
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//#define DISABLE_PCINT_MULTI_SERVICE
#define PINMODE
#define FLASH
#include <GetPSTR.h>
#include <ByteBuffer.h>
#include <PinChangeInt.h>
// This example demonstrates a configuration of 6 interrupting pins and 3 interrupt functions.
// A variety of interrupting pins have been chosen, so as to test all PORTs on the Arduino.
// The pins are as follows:
#define tPIN1 2 // port D
#define tPIN2 3
#define tPIN3 11 // Port B
#define tPIN4 12
#define tPIN5 A3 // Port C, also can be given as "17"
#define tPIN6 A4 // starts and stops the count
uint8_t pins[6]={ tPIN1, tPIN2, tPIN3, tPIN4, tPIN5, tPIN6 };
uint8_t ports[6]={ 0, 0, 0, 0, 0, 0 };
uint8_t latest_interrupted_pin;
uint8_t interrupt_count[20]={0}; // 20 possible arduino pins
uint8_t port;
uint8_t mode;
ByteBuffer printBuffer(200);
char charArray[16];
char numBuffer[5] = { 0, 0, 0, 0, 0 };
uint8_t printFull=0;
volatile boolean start=0;
volatile boolean initial=true;
long begintime=0;
long now=0;
void uint8ToHexString(char *outString, uint8_t theByte) {
outString[0]='0'; outString[1]='x';
uint8_t hinybble=theByte>>4;
uint8_t lonybble=theByte & 0x0F;
if (hinybble < 0x0a) outString[2]=hinybble+48;
else outString[2]=hinybble+55;
if (lonybble < 0x0a) outString[3]=lonybble+48;
else outString[3]=lonybble+55;
outString[4]=0;
}
void uint8ToString(char *outString, uint8_t number) {
uint8_t hundreds=0;
uint8_t tens=0;
uint8_t ones=0;
while (number >= 100 ) {
hundreds++;
number-=100;
}
while (number >= 10 ) {
tens++;
number-=10;
}
ones=number;
ones+=48;
if (hundreds > 0) { hundreds+=48; tens+=48; outString[0]=hundreds; outString[1]=tens; outString[2]=ones; outString[3]=0; }
else if (tens > 0) { tens+=48; outString[0]=tens; outString[1]=ones; outString[2]=0; }
else { outString[0]=ones; outString[1]=0; };
}
void showMode() {
switch (mode) {
case FALLING:
printBuffer.putString(getPSTR("-F-"));
break;
case RISING:
printBuffer.putString(getPSTR("+R+"));
break;
case CHANGE:
printBuffer.putString(getPSTR("*C*"));
break;
}
}
/*
void quicfunc0() {
latest_interrupted_pin=PCintPort::arduinoPin;
mode=PCintPort::pinmode;
showMode();
if (start==1) {
interrupt_count[latest_interrupted_pin]++;
}
uint8ToString(numBuffer, latest_interrupted_pin);
printBuffer.putString((char *) "f0p"); printBuffer.putString(numBuffer); printBuffer.putString((char *) "-P");
uint8ToString(numBuffer, digitalPinToPort(latest_interrupted_pin));
printBuffer.putString(numBuffer);
if (start !=1) printBuffer.putString(getPSTR(" no count"));
printBuffer.putString((char *) "\n");
};
void quicfunc1() {
latest_interrupted_pin=PCintPort::arduinoPin;
mode=PCintPort::pinmode;
showMode();
if (start==1) {
interrupt_count[latest_interrupted_pin]++;
}
uint8ToString(numBuffer, latest_interrupted_pin);
printBuffer.putString(getPSTR("f1p")); printBuffer.putString(numBuffer); printBuffer.putString((char *) "-P");
uint8ToString(numBuffer, digitalPinToPort(latest_interrupted_pin));
printBuffer.putString(numBuffer);
if (start !=1) printBuffer.putString(getPSTR(" (counting off)"));
printBuffer.putString((char *) "\n");
};
*/
void quicfunc2() {
//*led_port|=led_mask;
//*led_port&=not_led_mask; // 2 micros to here (ie, 2 micros used to push registers and call subroutine)
latest_interrupted_pin=PCintPort::arduinoPin;
mode=PCintPort::pinmode;
showMode();
*led_port|=led_mask; // 73 micros to get here from above. Used in "Rigol Timing Example"
*led_port&=not_led_mask;
//uint8ToString(numBuffer, PCintPort::s_count); printBuffer.putString(numBuffer);
*led_port|=led_mask; // 73 micros to get here from above. Second pulse in "Rigol Timing Example"
*led_port&=not_led_mask;
printBuffer.putString(getPSTR(" f2: P"));/*
uint8ToHexString(numBuffer, *portInputRegister(3)); printBuffer.putString(numBuffer);// C port
printBuffer.putString(getPSTR(" pin:")); uint8ToString(numBuffer, latest_interrupted_pin); printBuffer.putString(numBuffer);
printBuffer.putString(getPSTR(" c")); uint8ToHexString(numBuffer, PCintPort::curr); printBuffer.putString(numBuffer);
printBuffer.putString(getPSTR(" l")); uint8ToHexString(numBuffer, PCintPort::s_lastPinView); printBuffer.putString(numBuffer);
printBuffer.putString(getPSTR(" r")); uint8ToHexString(numBuffer, PCintPort::s_portRisingPins); printBuffer.putString(numBuffer);
printBuffer.putString(getPSTR(" f")); uint8ToHexString(numBuffer, PCintPort::s_portFallingPins); printBuffer.putString(numBuffer);
printBuffer.putString(getPSTR(" m")); uint8ToHexString(numBuffer, PCintPort::s_pmask); printBuffer.putString(numBuffer);
printBuffer.putString(getPSTR(" P")); printBuffer.put(PCintPort::s_PORT); printBuffer.putString("\r\n");
printBuffer.putString(getPSTR("cp")); uint8ToHexString(numBuffer, PCintPort::s_changedPins); printBuffer.putString(numBuffer);
printBuffer.putString(getPSTR(" cXORlpv")); uint8ToHexString(numBuffer, PCintPort::s_currXORlastPinView); printBuffer.putString(numBuffer);
printBuffer.putString(getPSTR(" rp_nCurr")); uint8ToHexString(numBuffer, PCintPort::s_portRisingPins_nCurr); printBuffer.putString(numBuffer);
printBuffer.putString(getPSTR(" fp_nNCurr")); uint8ToHexString(numBuffer, PCintPort::s_portFallingPins_nNCurr); printBuffer.putString(numBuffer);
*/printBuffer.putString("\r\n");
if (PCintPort::pcint_multi > 0) {
printBuffer.putString("MULTI!\n"); PCintPort::pcint_multi=0;
}
if (PCintPort::PCIFRbug > 0) { printBuffer.putString("ERROR: BUG- PCIFR should be reset!"); PCintPort::PCIFRbug=0; }
//s_registers, if it existed, could be used to keep a running queue of the latest interrupts that have
//been serviced by the PCint(). But generally I don't think it's necessary for debugging at this point (famous last words?)
/*if (PCintPort::s_count > 2) {
for (uint8_t i=0; i < PCintPort::s_count; i++) {
uint8ToHexString(numBuffer, PCintPort::s_registers[i]); printBuffer.putString(numBuffer); printBuffer.putString(" ");
}
}
PCintPort::s_count=0;*/
/*
if (start == 1) {
printBuffer.putString(getPSTR("STOP Count off\n"));
printBuffer.putString(getPSTR("Intr OFF: (")); uint8ToString(numBuffer, tPIN1), printBuffer.putString(numBuffer);
printBuffer.putString((char *) " "); uint8ToString(numBuffer, tPIN3), printBuffer.putString(numBuffer);
printBuffer.putString((char *) " "); uint8ToString(numBuffer, tPIN5), printBuffer.putString(numBuffer);
printBuffer.putString((char *) ")\n");
PCintPort::detachInterrupt(tPIN1); PCintPort::detachInterrupt(tPIN3); PCintPort::detachInterrupt(tPIN5);
start=0;
} else {
start=1;
interrupt_count[latest_interrupted_pin]++;
printBuffer.putString(getPSTR("START! p"));
uint8ToString(numBuffer, latest_interrupted_pin);
printBuffer.putString(numBuffer); printBuffer.putString((char *) "-P");
// MIKE put the REAL PORT HERE
uint8ToString(numBuffer, digitalPinToPort(latest_interrupted_pin));
printBuffer.putString(numBuffer); printBuffer.putString((char *) "\n");
if (! initial) {
PCintPort::attachInterrupt(tPIN1, &quicfunc0, FALLING);
PCintPort::attachInterrupt(tPIN3, &quicfunc0, CHANGE);
PCintPort::attachInterrupt(tPIN5, &quicfunc1, CHANGE);
} else {
initial=false;
}
}*/
};
uint8_t i;
char hexBuffer[5];
void setup() {
int8_t returncode=1;
Serial.begin(115200);
Serial.println("Test");
delay(500);
for (i=5; i < 6; i++) {
pinMode(pins[i], INPUT); digitalWrite(pins[i], HIGH);
ports[i]=digitalPinToPort(pins[i]);
switch (pins[i]) {
/*case tPIN1:
#if PCINT_VERSION > 2100
returncode=PCintPort::attachInterrupt(pins[i], &quicfunc0, FALLING);
#else
PCintPort::attachInterrupt(pins[i], &quicfunc0, FALLING);
#endif
Serial.println(getPSTR("FIRST FAILURE OK."));
break;
case tPIN3:
#if PCINT_VERSION > 2100
returncode=PCintPort::attachInterrupt(pins[i], &quicfunc0, CHANGE);
#else
PCintPort::attachInterrupt(pins[i], &quicfunc0, CHANGE);
#endif
break;
case tPIN2:
case tPIN4:
#if PCINT_VERSION > 2100
returncode=PCintPort::attachInterrupt(pins[i], &quicfunc0, RISING);
#else
PCintPort::attachInterrupt(pins[i], &quicfunc0, RISING);
#endif
break;
case tPIN5:
#if PCINT_VERSION > 2100
returncode=PCintPort::attachInterrupt(pins[i], &quicfunc1, CHANGE);
#else
PCintPort::attachInterrupt(pins[i], &quicfunc1, CHANGE);
#endif
break;*/
case tPIN6:
#if PCINT_VERSION > 2100
returncode=PCintPort::attachInterrupt(pins[i], &quicfunc2, FALLING);
#else
PCintPort::attachInterrupt(pins[i], &quicfunc2, FALLING);
#endif
break;
}
#if PCINT_VERSION > 2100
Serial.print(getPSTR("setup(): Interrupt attach "));
if (returncode != 1) Serial.print(getPSTR("unsuccessful "));
else Serial.print(getPSTR("GOOD "));
Serial.print(pins[i], DEC);
Serial.print(getPSTR(":pin, code: ")); Serial.println(returncode, DEC);
#endif
}
//Serial.println(printBuffer.getCapacity(), DEC);
//Serial.println("*---------------------------------------*");
Serial.print("*---*");
delay(250);
begintime=millis();
}
void loop() {
now=millis();
uint8_t count;
char outChar;
// uint8_t bufsize;
//if (printBuffer.getSize() != 0) { Serial.print("SZ:"); Serial.println (printBuffer.getSize(), DEC); };
//bufsize=printBuffer.getSize();
//if (bufsize > 0) { Serial.print("S:"); Serial.println(bufsize); }
while ((outChar=(char)printBuffer.get()) != 0) Serial.print(outChar);
if ((now - begintime) > 1000) {
Serial.print(".");
if (printBuffer.checkError()) {
Serial.println(getPSTR("!Some output lost due to full buffer!"));
}
for (i=0; i < 20; i++) {
if (interrupt_count[i] != 0) {
count=interrupt_count[i];
interrupt_count[i]=0;
Serial.print(getPSTR("Count for pin "));
if (i < 14) {
Serial.print("D");
Serial.print(i, DEC);
} else {
Serial.print("A");
Serial.print(i-14, DEC);
}
Serial.print(" is ");
Serial.println(count, DEC);
}
}
begintime=millis();
}
}
libraries/PinChangeInt/RELEASE_NOTES
-332
View File
@@ -1,332 +0,0 @@
******************************************************************************
PinChangeInt
---- RELEASE NOTES ---
Version 2.19 (beta) Tue Nov 20 07:33:37 CST 2012
SANGUINO SUPPORT! ...And Mioduino!
...The ATmega644 chip is so cool, how can I not? 4 full ports of Pin Change Interrupt bliss! 32 i/o pins! 64k Flash! 4k RAM! Well I wish I had one. That said, Sanguino users, PLEASE send in your bug or bliss reports! Your interrupt-loving brethren and sistren are depending on you, so I can assure everyone that my changes work on that platform. Thanks.
Modified the addPin() method to save 12 bytes; thanks again robtilllart!
if (firstPin != NULL) {
tmp=firstPin;
do {
if (tmp->arduinoPin == arduinoPin) { enable(tmp, userFunc, mode); return(0); }
if (tmp->next == NULL) break;
tmp=tmp->next;
} while (true);
}
Also changed the goto in the PCint() loop to be a while/break combination. No change to
code speed, but it looks better and passes the cleanliness "gut check".
Includes PinChangeIntTest 1.5 sketch.
...Ooops! Forgot the GetPSTR library, needed for the PinChangeIntTest code! Now it's included.
******************************************************************************
Version 2.17 (beta) Sat Nov 17 09:46:50 CST 2012
Another bugfix in the PCINT_MULTI_SERVICE section. I was using sbi(PCIFR, PCICRbit);
I didn't realize that was for I/O ports, and not ATmega registers.
But according to "deprecated.h",
"These macros became obsolete, as reading and writing IO ports can
be done by simply using the IO port name in an expression, and all
bit manipulation (including those on IO ports) can be done using
generic C bit manipulation operators."
So now I do:
PCIFR |= PCICRbit;
******************************************************************************
Version 2.15 (beta) Sat Nov 17 01:17:44 CST 2012
Fixed it so that attachInterrupt() will now follow your changes to the user function,
as well as the mode. detachInterrupt() still does not delete the PCintPin object but
at least you can detach and reattach at will, using different modes (RISING, FALLING,
CHANGE) and different functions as you wish.
******************************************************************************
Version 2.13 (beta) Mon Nov 12 09:33:06 CST 2012
SIGNIFICANT BUGFIX release! Significant changes:
1. PCintPort::curr bug. Interrupts that occur rapidly will likely not get serviced properly by PCint().
2. PCint() interrupt handler optimization.
3. PCIFR port bit set bug fix.
4. Many static variables added for debugging; used only when #define PINMODE is on.
5. detachInterrupt() no longer does a delete(), since that wasn't working anyway. When you detachInterrupt(), the PORT just disables interrupts for that pin; the PCintPin object remains in memory and in the linked list of pins (possibly slowing down your interrupts a couple of micros). You can reenable a detached interrupt- but you must do it within the PinChangeInt library (would anyone ever enable an interrupt on a pin, then disable it, then have need to reenable it but not using the library?).
6. attachInterrupt() now returns a uint8_t value: 1 on successful attach, 0 on successful attach but using an already-enabled pin, and -1 if the new() operator failed to create a PCintPin object.
Also, modified these release notes.
Details:
Uncovered a nasty bug, thanks to robtillaart on the Arduino Forums and Andre' Franken who posted to the PinChangeInt groups. This bug was introduced by me when I assigned PCintPort::curr early in the interrupt handler:
ISR(PCINT0_vect) {
PCintPort::curr = portB.portInputReg;
portB.PCint();
}
Later, in the interrupt handler PCint(), we loop as long as PCIFR indicates a new interrupt wants to be triggered, provided DISABLE_PCINT_MULTI_SERVICE is not defined (it is not by default):
#ifndef DISABLE_PCINT_MULTI_SERVICE
pcifr = PCIFR & PCICRbit;
PCIFR = pcifr; // clear the interrupt if we will process it (no effect if bit is zero)
} while(pcifr);
#endif
...Well. Problem is, if a pin pops up and causes the PCIFR to change, we have to reread the port and look at how it is now! I wasn't doing that before, so if a new interrupt appeared while I was still servicing the old one, odd behavior would take place. For example, an interrupt would register but then the userFunc would not be called upon to service it. The code needs to be:
pcifr = PCIFR & PCICRbit;
PCIFR = pcifr; // clear the interrupt if we will process it (no effect if bit is zero)
PCintPort::curr=portInputReg; // ...Fixed in 2.11beta.
} while(pcifr);
Also, made the interrupt handler even faster with an optimization from robtillaart to take out the checks for changed pins from the while() loop that steps through the pins:
uint8_t changedPins = (PCintPort::curr ^ lastPinView) &
((portRisingPins & PCintPort::curr ) | ( portFallingPins & ~PCintPort::curr ));
...This speedup is offset by more changes in the PCint() handler, which now looks like the following; there are two bug fixes:
----------------------------
FIX 1: sbi(PCIFR, PCICRbit);
FIX 2: ...the aforementioned PCintPort::curr=portInputReg;
Here's the new code:
----------------------------
#ifndef DISABLE_PCINT_MULTI_SERVICE
pcifr = PCIFR & PCICRbit;
if (pcifr) {
//if (PCIFR & PCICRbit) { // believe it or not, this adds .6 micros
sbi(PCIFR, PCICRbit); // This was a BUG: PCIFR = pcifr ...And here is the fix.
#ifdef PINMODE
PCintPort::pcint_multi++;
if (PCIFR & PCICRbit) PCintPort::PCIFRbug=1; // PCIFR & PCICRbit should ALWAYS be 0 here!
#endif
PCintPort::curr=portInputReg; // ...Fixed in 2.11beta.
goto loop; // A goto!!! Don't want to look at the portInputReg gratuitously, so the while() will not do.
}
#endif
Also I added a lot of variables for debugging when PINMODE is defined, for routing out nasty bugs. I may need them in the future... :-(
Finally, I am not putting newlines in this commentary so I can make it easier to paste online.
******************************************************************************
Version 2.11 (beta) Mon Nov 12 09:33:06 CST 2012
See version 2.13 (beta) above. No change other than tidying up the release notes.
******************************************************************************
Version 2.01 (beta) Thu Jun 28 12:35:48 CDT 2012
...Wow, Version 2! What? Why?
Modified the way that the pin is tested inside the interrupt subroutine (ISR) PCintPort::PCint(),
to make the interrupt quicker and slightly reduce the memory footprint. The interrupt's time is
reduced by 2 microseconds or about 7%. Instead of using the mode variable, two bitmasks are maintained
for each port. One bitmask contains all the pins that are configured to work on RISING signals, the other
on FALLING signals. A pin configured to work on CHANGE signals will appear in both bitmasks of the port.
Then, the test for a change goes like this:
if (thisChangedPin) {
if ((thisChangedPin & portRisingPins & PCintPort::curr ) ||
(thisChangedPin & portFallingPins & ~PCintPort::curr )) {
where portRisingPins is the bitmask for the pins configured to interrupt on RISING signals, and
portFallingPins is the bitmask for the pins configured to interrupt on FALLING signals. Each port includes
these two bitmask variables.
This is a significant change to some core functionality to the library, and it saves an appreciable amount
of time (2 out of 36 or so micros). Hence, the 2.00 designation.
Tue Jun 26 12:42:20 CDT 2012
I was officially given permission to use the PCint library:
Re: PCint library
« Sent to: GreyGnome on: Today at 08:10:33 AM »
« You have forwarded or responded to this message. »
Quote Reply Remove
HI,
Yeah, I wrote the original PCint library. It was a bit of a hack and the new one has better features.
I intended the code to be freely usable. Didn't really think about a license. Feel free to use it in
your code: I hereby grant you permission.
I'll investigate the MIT license, and see if it is appropriate.
Chris J. Kiick
Robot builder and all around geek.
Version 1.81 (beta) Tue Jun 19 07:29:08 CDT 2012
Created the getPCIntVersion function, and its associated GET_PCINT_VERSION preprocessor macro. The version
is a 16-bit int, therefore versions are represented as a 4-digit integer. 1810, then, is the first beta
release of 1.81x series. 1811 would be a bugfix of 1.810. 1820 would be the production release.
Reversed the order of this list, so the most recent notes come first.
Made some variables "volatile", because they are changed in the interrupt code. Thanks, Tony Cappellini!
Added support for the Arduino Mega! Thanks to cserveny...@gmail.com!
NOTE: I don't have a Mega, so I rely on you to give me error (or working) reports!
To sum it up for the Mega: No Port C, no Port D. Instead, you get Port J and Port K. Port B remains.
Port J, however, is practically useless because there is only 1 pin available for interrupts.
Most of the Port J pins are not even connected to a header connector. Caveat Programmer.
Created a function to report the version of this code. Put this #define ahead of the #include of this file,
in your sketch:
#define GET_PCINT_VERSION
Then you can call
uint16_t getPCIntVersion ();
and it will return a 16-bit integer representation of the version of this library. That is, version 1.73beta
will be reported as "1730". 1.74, then, will return "1740". And so on, for whatever version of the library
this happens to be. The odd number in the 10's position will indicate a beta version, as per usual, and the
number in the 1s place will indicate the beta revision (bugs may necessitate a 1.731, 1.732, etc.).
Here are some of his notes based on his changes:
Mega and friends are using port B, J and K for interrupts. B is working without any modifications.
J is mostly useless, because of the hardware UART. I was not able to get pin change notifications from
the TX pin (14), so only 15 left. All other (PORT J) pins are not connected on the Arduino boards.
K controls Arduino pin A8-A15, working fine.
328/168 boards use C and D. So in case the lib is compiled with Mega target, the C and D will be
disabled. Also you cannot see port J/K with other targets. For J and K new flags introduced:
NO_PORTJ_PINCHANGES and NO_PORTK_PINCHANGES.
Maybe we should have PORTJ_PINCHANGES to enable PJ, because they will be most likely unused.
Enjoy!
Note: To remain consistent, I have not included PORTJ_PINCHANGES. All ports behave the same,
no matter how trivial those ports may seem... no surprises...
Version 1.72 Wed Mar 14 18:57:55 CDT 2012
Release.
Version 1.71beta Sat Mar 10 12:57:05 CST 2012
Code reordering: Starting in version 1.3 of this library, I put the code that enables
interrupts for the given pin, and the code that enables Pin Change Interrupts, ahead of actually
setting the user's function for the pin. Thus in the small interval between turning on the
interrupts and actually creating a valid link to an interrupt handler, it is possible to get an
interrupt. At that point the value of the pointer is 0, so this means that the Arduino
will start over again from memory location 0- just as if you'd pressed the reset button. Oops!
I corrected it so the code now operates in the proper order.
(EDITORIAL NOTE: If you want to really learn something, teach it!)
Minor code clean-up: All references to PCintPort::curr are now explicit. This changes the compiled
hex code not one whit. I just sleep better at night.
Numbering: Changed the numbering scheme. Beta versions will end with an odd number in the hundredths
place- because they may be odd- and continue to be marked "beta". I'll just sleep better at night. :-)
Version 1.70beta Mon Feb 27 07:20:42 CST 2012
Happy Birthday to me! Happy Birthday tooooo meee! Happy Birthday, Dear Meeeeee-eeeee!
Happy Birthday to me!
Yes, it is on this auspicious occasion of mine (and Elizabeth Taylor's [R.I.P.]) birthday that I
humbly submit to you, gracious Arduino PinChangeInt user, version 1.70beta of the PinChangeInt
library. I hope you enjoy it.
New in this release:
The PinChangeIntTest sketch was created, which can be found in the Examples directory. It exercises:
* Two interrupting pins, one on each of the Arduino's PORTs.
* detachInterrupt() (and subsequent attachInterrupt()s).
Hopefully this will help avoid the embarrassing bugs that I have heretofore missed.
As well, it has come to this author's (GreyGnome) attention that the Serial class in Arduino 1.0
uses an interrupt that, if you attempt to print from an interrupt (which is what I was doing in my
tests) can easily lock up the Arduino. So I have taken SigurðurOrn's excellent ByteBuffer library
and modified it for my own nefarious purposes. (see http://siggiorn.com/?p=460). The zipfile
comes complete with the ByteBuffer library; see the ByteBuffer/ByteBuffer.h file for a list of
changes, and see the PinChangeIntTest sketch for a usage scenario. Now the (interrupt-less and)
relatively fast operation of filling a circular buffer is used in the interrupt routines. The buffer
is then printed from loop().
The library has been modified so it can be used in other libraries, such as my AdaEncoder library
(http://code.google.com/p/adaencoder/). When #include'd by another library you should #define
the LIBCALL_PINCHANGEINT macro. For example:
#ifndef PinChangeInt_h
#define LIBCALL_PINCHANGEINT
#include "../PinChangeInt/PinChangeInt.h"
#endif
This is necessary because the IDE compiles both your sketch and the .cpp file of your library, and
the .h file is included in both places. But since the .h file actually contains the code, any variable
or function definitions would occur twice and cause compilation errors- unless #ifdef'ed out.
Version 1.6beta Fri Feb 10 08:48:35 CST 2012
Set the value of the current register settings, first thing in each ISR; e.g.,
ISR(PCINT0_vect) {
PCintPort::curr = portB.portInputReg; // version 1.6
...
...instead of at the beginning of the PCintPort::PCint() static method. This means that the port is read
closer to the beginning of the interrupt, and may be slightly more accurate- only by a couple of microseconds,
really, but it's a cheap win.
Fixed a bug- a BUG!- in the attachInterrupt() and detachInterrupt() methods. I didn't have breaks in my
switch statements! Augh! What am I, a (UNIX) shell programmer? ...Uh, generally, yes...
Added the PINMODE define and the PCintPort::pinmode variable.
Version 1.51 Sun Feb 5 23:28:02 CST 2012
Crap, a bug! Changed line 392 from this:
PCintPort::pinState=curr & changedPins ? HIGH : LOW;
to this:
PCintPort::pinState=curr & p->mask ? HIGH : LOW;
Also added a few lines of (commented-out) debug code.
Version 1.5 Thu Feb 2 18:09:49 CST 2012
Added the PCintPort::pinState static variable to allow the programmer to query the state of the pin
at the time of interrupt.
Added two new #defines, NO_PIN_STATE and NO_PIN_NUMBER so as to reduce the code size by 20-50 bytes,
and to speed up the interrupt routine slightly by declaring that you don't care if the static variables
PCintPort::pinState and/or PCintPort::arduinoPin are set and made available to your interrupt routine.
// #define NO_PIN_STATE // to indicate that you don't need the pinState
// #define NO_PIN_NUMBER // to indicate that you don't need the arduinoPin
Version 1.4 Tue Jan 10 09:41:14 CST 2012
All the code has been moved into this .h file, so as to allow #define's to work from the user's
sketch. Thanks to Paul Stoffregen from pjrc.com for the inspiration! (Check out his website for
some nice [lots more memory] Arduino-like boards at really good prices. ...This has been an unsolicited
plug. Now back to our regular programming. ...Hehe, "programming", get it?)
As a result, we no longer use the PinChangeIntConfig.h file. The user must #define things in his/her
sketch. Which is better anyway.
Removed the pcIntPorts[] array, which created all the ports by default no matter what. Now, only
those ports (PCintPort objects) that you need will get created if you use the NO_PORTx_PINCHANGES #defines.
This saves flash memory, and actually we get a bit of a memory savings anyway even if all the ports are
left enabled.
The attachInterrupt and detachInterrupt routines were modified to handle the new PCintPort objects.
Version 1.3 Sat Dec 3 22:56:20 CST 2011
Significant internal changes:
Tested and modified to work with Arduino 1.0.
Modified to use the new() operator and symbolic links instead of creating a pre-populated
PCintPins[]. Renamed some variables to simplify or make their meaning more obvious (IMHO anyway).
Modified the PCintPort::PCint() code (ie, the interrupt code) to loop over a linked-list. For
those who love arrays, I have left some code in there that should work to loop over an array
instead. But it is commented out in the release version.
For Arduino versions prior to 1.0: The new() operator requires the cppfix.h library, which is
included with this package. For Arduino 1.0 and above: new.h comes with the distribution, and
that is #included.
Version 1.2 Sat Dec 3 Sat Dec 3 09:15:52 CST 2011
Modified Thu Sep 8 07:33:17 CDT 2011 by GreyGnome. Fixes a bug with the initial port
value. Now it sets the initial value to be the state of the port at the time of
attachInterrupt(). The line is port.PCintLast=port.portInputReg; in attachInterrupt().
See GreyGnome comment, below.
Added the "arduinoPin" variable, so the user's function will know exactly which pin on
the Arduino was triggered.
Version 1.1 Sat Dec 3 00:06:03 CST 2011
...updated to fix the "delPin" function as per "pekka"'s bug report. Thanks!
---- ^^^ VERSIONS ^^^ (NOTE TO SELF: Update the PCINT_VERSION define, below) -------------
See google code project for latest, bugs and info http://code.google.com/p/arduino-pinchangeint/
For more information Refer to avr-gcc header files, arduino source and atmega datasheet.
This library was inspired by and derived from "johnboiles" (it seems)
PCInt Arduino Playground example here: http://www.arduino.cc/playground/Main/PcInt
If you are the original author, please let us know at the google code page
It provides an extension to the interrupt support for arduino by
adding pin change interrupts, giving a way for users to have
interrupts drive off of any pin.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
libraries/PinChangeInt/gpl.txt
-674
View File
@@ -1,674 +0,0 @@
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17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
libraries/PinChangeInt/keywords.txt
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@@ -1,10 +0,0 @@
# LITERAL1 specifies constants
# KEYWORD1 specifies datatypes and C/C++ keywords
pinState KEYWORD1 PinState
arduinoPin KEYWORD1 ArduinoPin
PCintPort KEYWORD1 PCInterruptPort
# KEYWORD2 specifies methods and functions
attachInterrupt KEYWORD2 AttachInterrupt
detachInterrupt KEYWORD2 DetachInterrupt