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Add Wire1 support for ESP32 (#43)
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- Add Wire1 support for ESP32
- update readme.md
- minor edits
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RobTillaart authored Sep 23, 2023
1 parent ba65689 commit e5089a5
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7 changes: 6 additions & 1 deletion CHANGELOG.md
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Expand Up @@ -6,12 +6,17 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
and this project adheres to [Semantic Versioning](http://semver.org/).


## [0.3.9] - 2023-09-23
- Add Wire1 support for ESP32
- update readme.md
- minor edits


## [0.3.8] - 2023-02-04
- update readme.md
- update GitHub actions
- update license 2023


## [0.3.7] - 2022-11-16
- fix #40 - add interrupt section to readme.md

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5 changes: 2 additions & 3 deletions PCF8574.cpp
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Expand Up @@ -2,7 +2,7 @@
// FILE: PCF8574.cpp
// AUTHOR: Rob Tillaart
// DATE: 02-febr-2013
// VERSION: 0.3.8
// VERSION: 0.3.9
// PURPOSE: Arduino library for PCF8574 - 8 channel I2C IO expander
// URL: https://github.com/RobTillaart/PCF8574
// http://forum.arduino.cc/index.php?topic=184800
Expand All @@ -25,7 +25,6 @@ PCF8574::PCF8574(const uint8_t deviceAddress, TwoWire *wire)
#if defined (ESP8266) || defined(ESP32)
bool PCF8574::begin(int dataPin, int clockPin, uint8_t value)
{
_wire = &Wire;
if ((dataPin < 255) && (clockPin < 255))
{
_wire->begin(dataPin, clockPin);
Expand Down Expand Up @@ -230,7 +229,7 @@ void PCF8574::select(const uint8_t pin)
};


void PCF8574::selectN(const uint8_t pin)
void PCF8574::selectN(const uint8_t pin)
{
uint8_t n = 0xFF;
if (pin < 8) n = (2 << pin) - 1;
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4 changes: 2 additions & 2 deletions PCF8574.h
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Expand Up @@ -3,7 +3,7 @@
// FILE: PCF8574.h
// AUTHOR: Rob Tillaart
// DATE: 02-febr-2013
// VERSION: 0.3.8
// VERSION: 0.3.9
// PURPOSE: Arduino library for PCF8574 - 8 channel I2C IO expander
// URL: https://github.com/RobTillaart/PCF8574
// http://forum.arduino.cc/index.php?topic=184800
Expand All @@ -13,7 +13,7 @@
#include "Wire.h"


#define PCF8574_LIB_VERSION (F("0.3.8"))
#define PCF8574_LIB_VERSION (F("0.3.9"))

#ifndef PCF8574_INITIAL_VALUE
#define PCF8574_INITIAL_VALUE 0xFF
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11 changes: 11 additions & 0 deletions README.md
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Expand Up @@ -2,8 +2,11 @@
[![Arduino CI](https://github.com/RobTillaart/PCF8574/workflows/Arduino%20CI/badge.svg)](https://github.com/marketplace/actions/arduino_ci)
[![Arduino-lint](https://github.com/RobTillaart/PCF8574/actions/workflows/arduino-lint.yml/badge.svg)](https://github.com/RobTillaart/PCF8574/actions/workflows/arduino-lint.yml)
[![JSON check](https://github.com/RobTillaart/PCF8574/actions/workflows/jsoncheck.yml/badge.svg)](https://github.com/RobTillaart/PCF8574/actions/workflows/jsoncheck.yml)
[![GitHub issues](https://img.shields.io/github/issues/RobTillaart/PCF8574.svg)](https://github.com/RobTillaart/PCF8574/issues)

[![License: MIT](https://img.shields.io/badge/license-MIT-green.svg)](https://github.com/RobTillaart/PCF8574/blob/master/LICENSE)
[![GitHub release](https://img.shields.io/github/release/RobTillaart/PCF8574.svg?maxAge=3600)](https://github.com/RobTillaart/PCF8574/releases)
[![PlatformIO Registry](https://badges.registry.platformio.org/packages/robtillaart/library/PCF8574.svg)](https://registry.platformio.org/libraries/robtillaart/PCF8574)


# PCF8574
Expand Down Expand Up @@ -195,3 +198,11 @@ It is advised to use pull-up or pull-down resistors so the lines have a defined
#### Wont


## Support

If you appreciate my libraries, you can support the development and maintenance.
Improve the quality of the libraries by providing issues and Pull Requests, or
donate through PayPal or GitHub sponsors.

Thank you,

1 change: 1 addition & 0 deletions keywords.txt
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Expand Up @@ -40,6 +40,7 @@ selectAll KEYWORD2

# Constants ( LITERAL1)
PCF8574_LIB_VERSION LITERAL1

PCF8574_INITIAL_VALUE LITERAL1
PCF8574_OK LITERAL1
PCF8574_PIN_ERROR LITERAL1
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4 changes: 2 additions & 2 deletions library.json
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Expand Up @@ -15,9 +15,9 @@
"type": "git",
"url": "https://github.com/RobTillaart/PCF8574.git"
},
"version": "0.3.8",
"version": "0.3.9",
"license": "MIT",
"frameworks": "arduino",
"frameworks": "*",
"platforms": "*",
"headers": "PCF8574.h"
}
2 changes: 1 addition & 1 deletion library.properties
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@@ -1,5 +1,5 @@
name=PCF8574
version=0.3.8
version=0.3.9
author=Rob Tillaart <[email protected]>
maintainer=Rob Tillaart <[email protected]>
sentence=Arduino library for PCF8574 - 8 channel I2C IO expander
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