Mirrored_Repos/PCF8574_library
1
0
Fork 0
mirror of https://github.com/xreef/PCF8574_library.git synced 2024-08-30 18:12:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix the SDA SCL type #58 and add basic support for SAMD device.

Browse Source
This commit is contained in:
Renzo Mischianti 2022-07-28 15:31:04 +02:00
parent b13a1c02d1
commit 418fca71c2
6 changed files with 37 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
PCF8574.cpp
View File

@ -53,7 +53,7 @@ PCF8574::PCF8574(uint8_t address, uint8_t interruptPin, void (*interruptFunctio
_usingInterrupt = true; _usingInterrupt = true;
}; };
#if !defined(__AVR) && !defined(__STM32F1__) && !defined(TEENSYDUINO) #if !defined(__AVR) && !defined(ARDUINO_ARCH_SAMD) && !defined(__STM32F1__) && !defined(TEENSYDUINO)
/** /**
* Constructor * Constructor
* @param address: i2c address * @param address: i2c address
@ -185,8 +185,10 @@ PCF8574::PCF8574(uint8_t address, uint8_t interruptPin, void (*interruptFunctio
*/ */
bool PCF8574::begin(){ bool PCF8574::begin(){
this->transmissionStatus = 4; this->transmissionStatus = 4;
#if !defined(__AVR) && !defined(__STM32F1__) && !defined(TEENSYDUINO) #if !defined(__AVR) && !defined(ARDUINO_ARCH_SAMD) && !defined(__STM32F1__) && !defined(TEENSYDUINO)
_wire->begin(_sda, _scl); DEBUG_PRINT(F("begin(sda, scl) -> "));DEBUG_PRINT(_sda);DEBUG_PRINT(F(" "));DEBUG_PRINTLN(_scl);
// _wire->begin(_sda, _scl);
_wire->begin((int)_sda, (int)_scl);
#else #else
// Default pin for AVR some problem on software emulation // Default pin for AVR some problem on software emulation
// #define SCL_PIN _scl // #define SCL_PIN _scl

6
PCF8574.h
View File

@ -2,7 +2,7 @@
* PCF8574 GPIO Port Expand * PCF8574 GPIO Port Expand
* *
* AUTHOR: Renzo Mischianti * AUTHOR: Renzo Mischianti
* VERSION: 2.3.1 * VERSION: 2.3.2
* *
* https://www.mischianti.org/2019/01/02/pcf8574-i2c-digital-i-o-expander-fast-easy-usage/ * https://www.mischianti.org/2019/01/02/pcf8574-i2c-digital-i-o-expander-fast-easy-usage/
* *
@ -109,7 +109,7 @@ public:
PCF8574(uint8_t address); PCF8574(uint8_t address);
PCF8574(uint8_t address, uint8_t interruptPin, void (*interruptFunction)() ); PCF8574(uint8_t address, uint8_t interruptPin, void (*interruptFunction)() );
#if !defined(__AVR) && !defined(__STM32F1__) && !defined(TEENSYDUINO) #if !defined(__AVR) && !defined(ARDUINO_ARCH_SAMD) && !defined(__STM32F1__) && !defined(TEENSYDUINO)
PCF8574(uint8_t address, uint8_t sda, uint8_t scl); PCF8574(uint8_t address, uint8_t sda, uint8_t scl);
PCF8574(uint8_t address, uint8_t sda, uint8_t scl, uint8_t interruptPin, void (*interruptFunction)()); PCF8574(uint8_t address, uint8_t sda, uint8_t scl, uint8_t interruptPin, void (*interruptFunction)());
#endif #endif
@ -193,6 +193,8 @@ public:
} }
bool isLastTransmissionSuccess(){ bool isLastTransmissionSuccess(){
DEBUG_PRINT(F("STATUS --> "));
DEBUG_PRINTLN(transmissionStatus);
return transmissionStatus==0; return transmissionStatus==0;
} }
private: private:

2
PCF8574_library.h
View File

@ -2,7 +2,7 @@
* PCF8574 GPIO Port Expand * PCF8574 GPIO Port Expand
* *
* AUTHOR: Renzo Mischianti * AUTHOR: Renzo Mischianti
* VERSION: 2.3.1 * VERSION: 2.3.2
* *
* https://www.mischianti.org/2019/01/02/pcf8574-i2c-digital-i-o-expander-fast-easy-usage/ * https://www.mischianti.org/2019/01/02/pcf8574-i2c-digital-i-o-expander-fast-easy-usage/
* *

1
README.md
View File

@ -29,6 +29,7 @@ Tutorial:
To download. click the DOWNLOADS button in the top right corner, rename the uncompressed folder PCF8574. Check that the PCF8574 folder contains `PCF8574\\.cpp` and `PCF8574.h`. Place the DHT library folder your `<arduinosketchfolder>/libraries/` folder. You may need to create the libraries subfolder if its your first library. Restart the IDE. To download. click the DOWNLOADS button in the top right corner, rename the uncompressed folder PCF8574. Check that the PCF8574 folder contains `PCF8574\\.cpp` and `PCF8574.h`. Place the DHT library folder your `<arduinosketchfolder>/libraries/` folder. You may need to create the libraries subfolder if its your first library. Restart the IDE.
## Changelog ## Changelog
28/07/2022: v2.3.2 Fix the SDA SCL type #58 and add basic support for SAMD device.
26/04/2022: v2.3.1 Fix example for esp32 and double begin issue #56. 26/04/2022: v2.3.1 Fix example for esp32 and double begin issue #56.
06/04/2022: v2.3.0 Fix package size 06/04/2022: v2.3.0 Fix package size
30/12/2021: v2.2.4 Minor fix and remove deprecated declaration 30/12/2021: v2.2.4 Minor fix and remove deprecated declaration

24
library.json Normal file
View File

@ -0,0 +1,24 @@
{
"name": "PCF8574 library",
"version": "2.3.2",
"keywords": "digital, i2c, encoder, expander, pcf8574, pcf8574a, esp32, esp8266, stm32, SAMD, Arduino, wire",
"description": "i2c digital expander for Arduino, esp32, SMT32 and ESP8266. Can read write digital values with only 2 wire. Very simple to use and encoder support.",
"homepage": "https://www.mischianti.org/category/my-libraries/pcf8574/",
"authors":
[
{
"name": "Renzo Mischianti",
"email": "renzo.mischianti@gmail.com",
"maintainer": true,
"url": "https://www.mischianti.org"
}
],
"repository": {
"type": "git",
"url": "https://github.com/xreef/PCF8574_library"
},
"license": "MIT",
"frameworks": "arduino",
"platforms": "*",
"headers": ["PCF8574.h, PCF8574_library.h"]
}

2
library.properties
View File

@ -1,5 +1,5 @@
name=PCF8574 library name=PCF8574 library
version=2.3.1 version=2.3.2
author=Renzo Mischianti <renzo.mischianti@gmail.com> author=Renzo Mischianti <renzo.mischianti@gmail.com>
maintainer=Renzo Mischianti <renzo.mischianti@gmail.com> maintainer=Renzo Mischianti <renzo.mischianti@gmail.com>
sentence=PCF8574, library for Arduino, ESP8266, smt32 and esp32 sentence=PCF8574, library for Arduino, ESP8266, smt32 and esp32