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Added MCP23S17 library to PlatformIO project

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This commit is contained in:
Tor-Eirik Bakke Lunde 2020-02-17 18:48:49 +01:00
parent 3f9d9af053
commit ba325dcfe5
129 changed files with 9987 additions and 2 deletions
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software/arduino/PIA Communicator/.gitignore vendored Normal file
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.pio
.vscode/.browse.c_cpp.db*
.vscode/c_cpp_properties.json
.vscode/launch.json
.vscode/ipch

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# Continuous Integration (CI) is the practice, in software
# engineering, of merging all developer working copies with a shared mainline
# several times a day < https://docs.platformio.org/page/ci/index.html >
#
# Documentation:
#
# * Travis CI Embedded Builds with PlatformIO
# < https://docs.travis-ci.com/user/integration/platformio/ >
#
# * PlatformIO integration with Travis CI
# < https://docs.platformio.org/page/ci/travis.html >
#
# * User Guide for `platformio ci` command
# < https://docs.platformio.org/page/userguide/cmd_ci.html >
#
#
# Please choose one of the following templates (proposed below) and uncomment
# it (remove "# " before each line) or use own configuration according to the
# Travis CI documentation (see above).
#
#
# Template #1: General project. Test it using existing `platformio.ini`.
#
# language: python
# python:
# - "2.7"
#
# sudo: false
# cache:
# directories:
# - "~/.platformio"
#
# install:
# - pip install -U platformio
# - platformio update
#
# script:
# - platformio run
#
# Template #2: The project is intended to be used as a library with examples.
#
# language: python
# python:
# - "2.7"
#
# sudo: false
# cache:
# directories:
# - "~/.platformio"
#
# env:
# - PLATFORMIO_CI_SRC=path/to/test/file.c
# - PLATFORMIO_CI_SRC=examples/file.ino
# - PLATFORMIO_CI_SRC=path/to/test/directory
#
# install:
# - pip install -U platformio
# - platformio update
#
# script:
# - platformio ci --lib="." --board=ID_1 --board=ID_2 --board=ID_N

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{
// See http://go.microsoft.com/fwlink/?LinkId=827846
// for the documentation about the extensions.json format
"recommendations": [
"platformio.platformio-ide"
]
}

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software/arduino/PIA Communicator/include/README Normal file
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This directory is intended for project header files.
A header file is a file containing C declarations and macro definitions
to be shared between several project source files. You request the use of a
header file in your project source file (C, C++, etc) located in `src` folder
by including it, with the C preprocessing directive `#include'.
```src/main.c
#include "header.h"
int main (void)
{
...
}
```
Including a header file produces the same results as copying the header file
into each source file that needs it. Such copying would be time-consuming
and error-prone. With a header file, the related declarations appear
in only one place. If they need to be changed, they can be changed in one
place, and programs that include the header file will automatically use the
new version when next recompiled. The header file eliminates the labor of
finding and changing all the copies as well as the risk that a failure to
find one copy will result in inconsistencies within a program.
In C, the usual convention is to give header files names that end with `.h'.
It is most portable to use only letters, digits, dashes, and underscores in
header file names, and at most one dot.
Read more about using header files in official GCC documentation:
* Include Syntax
* Include Operation
* Once-Only Headers
* Computed Includes
https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

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# Compiled Object files
*.slo
*.lo
*.o
# Compiled Dynamic libraries
*.so
*.dylib
# Compiled Static libraries
*.lai
*.la
*.a

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software/arduino/PIA Communicator/lib/MCP23S17/LICENSE Normal file
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Copyright (c) 2014, Majenko Technologies
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.
* Neither the name of Majenko Technologies nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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software/arduino/PIA Communicator/lib/MCP23S17/MCP23S17.cpp Normal file
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/*
* Copyright (c) 2014, Majenko Technologies
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of Majenko Technologies nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <MCP23S17.h>
/*! The constructor takes three parameters. The first is an SPI class
* pointer. This is the address of an SPI object (either the default
* SPI object on the Arduino, or an object made using the DSPIx classes
* on the chipKIT). The second parameter is the chip select pin number
* to use when communicating with the chip. The third is the internal
* address number of the chip. This is controlled by the three Ax pins
* on the chip.
*
* Example:
*
*
* MCP23S17 myExpander(&SPI, 10, 0);
*
*/
#ifdef __PIC32MX__
MCP23S17::MCP23S17(DSPI *spi, uint8_t cs, uint8_t addr) {
#else
MCP23S17::MCP23S17(SPIClass *spi, uint8_t cs, uint8_t addr) {
#endif
_spi = spi;
_cs = cs;
_addr = addr;
_reg[IODIRA] = 0xFF;
_reg[IODIRB] = 0xFF;
_reg[IPOLA] = 0x00;
_reg[IPOLB] = 0x00;
_reg[GPINTENA] = 0x00;
_reg[GPINTENB] = 0x00;
_reg[DEFVALA] = 0x00;
_reg[DEFVALB] = 0x00;
_reg[INTCONA] = 0x00;
_reg[INTCONB] = 0x00;
_reg[IOCONA] = 0x18;
_reg[IOCONB] = 0x18;
_reg[GPPUA] = 0x00;
_reg[GPPUB] = 0x00;
_reg[INTFA] = 0x00;
_reg[INTFB] = 0x00;
_reg[INTCAPA] = 0x00;
_reg[INTCAPB] = 0x00;
_reg[GPIOA] = 0x00;
_reg[GPIOB] = 0x00;
_reg[OLATA] = 0x00;
_reg[OLATB] = 0x00;
}
#ifdef __PIC32MX__
MCP23S17::MCP23S17(DSPI &spi, uint8_t cs, uint8_t addr) {
#else
MCP23S17::MCP23S17(SPIClass &spi, uint8_t cs, uint8_t addr) {
#endif
_spi = &spi;
_cs = cs;
_addr = addr;
_reg[IODIRA] = 0xFF;
_reg[IODIRB] = 0xFF;
_reg[IPOLA] = 0x00;
_reg[IPOLB] = 0x00;
_reg[GPINTENA] = 0x00;
_reg[GPINTENB] = 0x00;
_reg[DEFVALA] = 0x00;
_reg[DEFVALB] = 0x00;
_reg[INTCONA] = 0x00;
_reg[INTCONB] = 0x00;
_reg[IOCONA] = 0x18;
_reg[IOCONB] = 0x18;
_reg[GPPUA] = 0x00;
_reg[GPPUB] = 0x00;
_reg[INTFA] = 0x00;
_reg[INTFB] = 0x00;
_reg[INTCAPA] = 0x00;
_reg[INTCAPB] = 0x00;
_reg[GPIOA] = 0x00;
_reg[GPIOB] = 0x00;
_reg[OLATA] = 0x00;
_reg[OLATB] = 0x00;
}
/*! The begin function performs the initial configuration of the IO expander chip.
* Not only does it set up the SPI communications, but it also configures the chip
* for address-based communication and sets the default parameters and registers
* to sensible values.
*
* Example:
*
* myExpander.begin();
*
*/
void MCP23S17::begin() {
_spi->begin();
::pinMode(_cs, OUTPUT);
::digitalWrite(_cs, HIGH);
uint8_t cmd = 0b01000000;
::digitalWrite(_cs, LOW);
_spi->transfer(cmd);
_spi->transfer(IOCONA);
_spi->transfer(0x18);
::digitalWrite(_cs, HIGH);
writeAll();
}
/*! This private function reads a value from the specified register on the chip and
* stores it in the _reg array for later usage.
*/
void MCP23S17::readRegister(uint8_t addr) {
if (addr > 21) {
return;
}
uint8_t cmd = 0b01000001 | ((_addr & 0b111) << 1);
::digitalWrite(_cs, LOW);
_spi->transfer(cmd);
_spi->transfer(addr);
_reg[addr] = _spi->transfer(0xFF);
::digitalWrite(_cs, HIGH);
}
/*! This private function writes the current value of a register (as stored in the
* _reg array) out to the register in the chip.
*/
void MCP23S17::writeRegister(uint8_t addr) {
if (addr > 21) {
return;
}
uint8_t cmd = 0b01000000 | ((_addr & 0b111) << 1);
::digitalWrite(_cs, LOW);
_spi->transfer(cmd);
_spi->transfer(addr);
_spi->transfer(_reg[addr]);
::digitalWrite(_cs, HIGH);
}
/*! This private function performs a bulk read on all the registers in the chip to
* ensure the _reg array contains all the correct current values.
*/
void MCP23S17::readAll() {
uint8_t cmd = 0b01000001 | ((_addr & 0b111) << 1);
::digitalWrite(_cs, LOW);
_spi->transfer(cmd);
_spi->transfer(0);
for (uint8_t i = 0; i < 22; i++) {
_reg[i] = _spi->transfer(0xFF);
}
::digitalWrite(_cs, HIGH);
}
/*! This private function performs a bulk write of all the data in the _reg array
* out to all the registers on the chip. It is mainly used during the initialisation
* of the chip.
*/
void MCP23S17::writeAll() {
uint8_t cmd = 0b01000000 | ((_addr & 0b111) << 1);
::digitalWrite(_cs, LOW);
_spi->transfer(cmd);
_spi->transfer(0);
for (uint8_t i = 0; i < 22; i++) {
_spi->transfer(_reg[i]);
}
::digitalWrite(_cs, HIGH);
}
/*! Just like the pinMode() function of the Arduino API, this function sets the
* direction of the pin. The first parameter is the pin nimber (0-15) to use,
* and the second parameter is the direction of the pin. There are standard
* Arduino macros for different modes which should be used. The supported macros are:
*
* * OUTPUT
* * INPUT
* * INPUT_PULLUP
*
* The INPUT_PULLUP mode enables the weak pullup that is available on any pin.
*
* Example:
*
* myExpander.pinMode(5, INPUT_PULLUP);
*/
void MCP23S17::pinMode(uint8_t pin, uint8_t mode) {
if (pin >= 16) {
return;
}
uint8_t dirReg = IODIRA;
uint8_t puReg = GPPUA;
if (pin >= 8) {
pin -= 8;
dirReg = IODIRB;
puReg = GPPUB;
}
switch (mode) {
case OUTPUT:
_reg[dirReg] &= ~(1<<pin);
writeRegister(dirReg);
break;
case INPUT:
case INPUT_PULLUP:
_reg[dirReg] |= (1<<pin);
writeRegister(dirReg);
if (mode == INPUT_PULLUP) {
_reg[puReg] |= (1<<pin);
} else {
_reg[puReg] &= ~(1<<pin);
}
writeRegister(puReg);
break;
}
}
/*! Like the Arduino API's namesake, this function will set an output pin to a specific
* value, either HIGH (1) or LOW (0). If the pin is currently set to an INPUT instead of
* an OUTPUT, then this function acts like the old way of enabling / disabling the pullup
* resistor, which pre-1.0.0 versions of the Arduino API used - i.e., set HIGH to enable the
* pullup, or LOW to disable it.
*
* Example:
*
* myExpander.digitalWrite(3, HIGH);
*/
void MCP23S17::digitalWrite(uint8_t pin, uint8_t value) {
if (pin >= 16) {
return;
}
uint8_t dirReg = IODIRA;
uint8_t puReg = GPPUA;
uint8_t latReg = OLATA;
if (pin >= 8) {
pin -= 8;
dirReg = IODIRB;
puReg = GPPUB;
latReg = OLATB;
}
uint8_t mode = (_reg[dirReg] & (1<<pin)) == 0 ? OUTPUT : INPUT;
switch (mode) {
case OUTPUT:
if (value == 0) {
_reg[latReg] &= ~(1<<pin);
} else {
_reg[latReg] |= (1<<pin);
}
writeRegister(latReg);
break;
case INPUT:
if (value == 0) {
_reg[puReg] &= ~(1<<pin);
} else {
_reg[puReg] |= (1<<pin);
}
writeRegister(puReg);
break;
}
}
/*! This will return the current state of a pin set to INPUT, or the last
* value written to a pin set to OUTPUT.
*
* Example:
*
* byte value = myExpander.digitalRead(4);
*/
uint8_t MCP23S17::digitalRead(uint8_t pin) {
if (pin >= 16) {
return 0;
}
uint8_t dirReg = IODIRA;
uint8_t portReg = GPIOA;
uint8_t latReg = OLATA;
if (pin >= 8) {
pin -= 8;
dirReg = IODIRB;
portReg = GPIOB;
latReg = OLATB;
}
uint8_t mode = (_reg[dirReg] & (1<<pin)) == 0 ? OUTPUT : INPUT;
switch (mode) {
case OUTPUT:
return _reg[latReg] & (1<<pin) ? HIGH : LOW;
case INPUT:
readRegister(portReg);
return _reg[portReg] & (1<<pin) ? HIGH : LOW;
}
return 0;
}
/*! This function returns the entire 8-bit value of a GPIO port. Note that
* only the bits which correspond to a GPIO pin set to INPUT are valid.
* Other pins should be ignored. The only parameter defines which port (A/B)
* to retrieve: 0 is port A and 1 (or anything other than 0) is port B.
*
* Example:
*
* byte portA = myExpander.readPort(0);
*/
uint8_t MCP23S17::readPort(uint8_t port) {
if (port == 0) {
readRegister(GPIOA);
return _reg[GPIOA];
} else {
readRegister(GPIOB);
return _reg[GPIOB];
}
}
/*! This is a full 16-bit version of the parameterised readPort function. This
* version reads the value of both ports and combines them into a single 16-bit
* value.
*
* Example:
*
* unsigned int value = myExpander.readPort();
*/
uint16_t MCP23S17::readPort() {
readRegister(GPIOA);
readRegister(GPIOB);
return (_reg[GPIOB] << 8) | _reg[GPIOA];
}
/*! This writes an 8-bit value to one of the two IO port banks (A/B) on the chip.
* The value is output direct to any pins on that bank that are set as OUTPUT. Any
* bits that correspond to pins set to INPUT are ignored. As with the readPort
* function the first parameter defines which bank to use (0 = A, 1+ = B).
*
* Example:
*
* myExpander.writePort(0, 0x55);
*/
void MCP23S17::writePort(uint8_t port, uint8_t val) {
if (port == 0) {
_reg[OLATA] = val;
writeRegister(OLATA);
} else {
_reg[OLATB] = val;
writeRegister(OLATB);
}
}
/*! This is the 16-bit version of the writePort function. This takes a single
* 16-bit value and splits it between the two IO ports, the upper half going to
* port B and the lower to port A.
*
* Example:
*
* myExpander.writePort(0x55AA);
*/
void MCP23S17::writePort(uint16_t val) {
_reg[OLATB] = val >> 8;
_reg[OLATA] = val & 0xFF;
writeRegister(OLATA);
writeRegister(OLATB);
}
/*! This enables the interrupt functionality of a pin. The interrupt type can be one of:
*
* * CHANGE
* * RISING
* * FALLING
*
* When an interrupt occurs the corresponding port's INT pin will be driven to it's configured
* level, and will remain there until either the port is read with a readPort or digitalRead, or the
* captured port status at the time of the interrupt is read using getInterruptValue.
*
* Example:
*
* myExpander.enableInterrupt(4, RISING);
*/
void MCP23S17::enableInterrupt(uint8_t pin, uint8_t type) {
if (pin >= 16) {
return;
}
uint8_t intcon = INTCONA;
uint8_t defval = DEFVALA;
uint8_t gpinten = GPINTENA;
if (pin >= 8) {
pin -= 8;
intcon = INTCONB;
defval = DEFVALB;
gpinten = GPINTENB;
}
switch (type) {
case CHANGE:
_reg[intcon] &= ~(1<<pin);
break;
case RISING:
_reg[intcon] |= (1<<pin);
_reg[defval] &= ~(1<<pin);
break;
case FALLING:
_reg[intcon] |= (1<<pin);
_reg[defval] |= (1<<pin);
break;
}
_reg[gpinten] |= (1<<pin);
writeRegister(intcon);
writeRegister(defval);
writeRegister(gpinten);
}
/*! This disables the interrupt functionality of a pin.
*
* Example:
*
* myExpander.disableInterrupt(4);
*/
void MCP23S17::disableInterrupt(uint8_t pin) {
if (pin >= 16) {
return;
}
uint8_t gpinten = GPINTENA;
if (pin >= 8) {
pin -= 8;
gpinten = GPINTENB;
}
_reg[gpinten] &= ~(1<<pin);
writeRegister(gpinten);
}
/*! The two IO banks can have their INT pins connected together.
* This enables you to monitor both banks with just one interrupt pin
* on the host microcontroller. Calling setMirror with a parameter of
* *true* will enable this feature. Calling it with *false* will disable
* it.
*
* Example:
*
* myExpander.setMirror(true);
*/
void MCP23S17::setMirror(boolean m) {
if (m) {
_reg[IOCONA] |= (1<<6);
_reg[IOCONB] |= (1<<6);
} else {
_reg[IOCONA] &= ~(1<<6);
_reg[IOCONB] &= ~(1<<6);
}
writeRegister(IOCONA);
}
/*! This function returns a 16-bit bitmap of the the pin or pins that have cause an interrupt to fire.
*
* Example:
*
* unsigned int pins = myExpander.getInterruptPins();
*/
uint16_t MCP23S17::getInterruptPins() {
readRegister(INTFA);
readRegister(INTFB);
return (_reg[INTFB] << 8) | _reg[INTFA];
}
/*! This returns a snapshot of the IO pin states at the moment the last interrupt occured. Reading
* this value clears the interrupt status (and hence the INT pins) for the whole chip.
* Until this value is read (or the current live port value is read) no further interrupts can
* be indicated.
*
* Example:
*
* unsigned int pinValues = myExpander.getInterruptPins();
*/
uint16_t MCP23S17::getInterruptValue() {
readRegister(INTCAPA);
readRegister(INTCAPB);
return (_reg[INTCAPB] << 8) | _reg[INTCAPA];
}
/*! This sets the "active" level for an interrupt. HIGH means the interrupt pin
* will go HIGH when an interrupt occurs, LOW means it will go LOW.
*
* Example:
*
* myExpander.setInterruptLevel(HIGH);
*/
void MCP23S17::setInterruptLevel(uint8_t level) {
if (level == LOW) {
_reg[IOCONA] &= ~(1<<1);
_reg[IOCONB] &= ~(1<<1);
} else {
_reg[IOCONA] |= (1<<1);
_reg[IOCONB] |= (1<<1);
}
writeRegister(IOCONA);
}
/*! Using this function it is possible to configure the interrupt output pins to be open
* drain. This means that interrupt pins from multiple chips can share the same interrupt
* pin on the host MCU. This causes the level set by setInterruptLevel to be ignored. A
* pullup resistor will be required on the host MCU's interrupt pin.
*
* Example:
*
* myExpander.setInterruptOD(true);
*/
void MCP23S17::setInterruptOD(boolean openDrain) {
if (openDrain) {
_reg[IOCONA] |= (1<<2);
_reg[IOCONB] |= (1<<2);
} else {
_reg[IOCONA] &= ~(1<<2);
_reg[IOCONB] &= ~(1<<2);
}
writeRegister(IOCONA);
}

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/*
* Copyright (c) , Majenko Technologies
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of Majenko Technologies nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MCP23S17_H
#define _MCP23S17_H
#if (ARDUINO >= 100)
# include <Arduino.h>
#else
# include <WProgram.h>
#endif
#ifdef __PIC32MX__
#include <DSPI.h>
#else
#include <SPI.h>
#endif
class MCP23S17 {
private:
#ifdef __PIC32MX__
DSPI *_spi; /*! This points to a valid SPI object created from the chipKIT DSPI library. */
#else
SPIClass *_spi; /*! This points to a valid SPI object created from the Arduino SPI library. */
#endif
uint8_t _cs; /*! Chip select pin */
uint8_t _addr; /*! 3-bit chip address */
uint8_t _reg[22]; /*! Local mirrors of the 22 internal registers of the MCP23S17 chip */
enum {
IODIRA, IODIRB,
IPOLA, IPOLB,
GPINTENA, GPINTENB,
DEFVALA, DEFVALB,
INTCONA, INTCONB,
IOCONA, IOCONB,
GPPUA, GPPUB,
INTFA, INTFB,
INTCAPA, INTCAPB,
GPIOA, GPIOB,
OLATA, OLATB
};
void readRegister(uint8_t addr);
void writeRegister(uint8_t addr);
void readAll();
void writeAll();
public:
#ifdef __PIC32MX__
MCP23S17(DSPI *spi, uint8_t cs, uint8_t addr);
MCP23S17(DSPI &spi, uint8_t cs, uint8_t addr);
#else
MCP23S17(SPIClass *spi, uint8_t cs, uint8_t addr);
MCP23S17(SPIClass &spi, uint8_t cs, uint8_t addr);
#endif
void begin();
void pinMode(uint8_t pin, uint8_t mode);
void digitalWrite(uint8_t pin, uint8_t value);
uint8_t digitalRead(uint8_t pin);
uint8_t readPort(uint8_t port);
uint16_t readPort();
void writePort(uint8_t port, uint8_t val);
void writePort(uint16_t val);
void enableInterrupt(uint8_t pin, uint8_t type);
void disableInterrupt(uint8_t pin);
void setMirror(boolean m);
uint16_t getInterruptPins();
uint16_t getInterruptValue();
void setInterruptLevel(uint8_t level);
void setInterruptOD(boolean openDrain);
};
#endif

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MCP23S17
========
Arduino library for MCP23S17 IO Expanders

1
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changelog

1
software/arduino/PIA Communicator/lib/MCP23S17/debian/compat Normal file
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8

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software/arduino/PIA Communicator/lib/MCP23S17/debian/control Normal file
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Source: libmcp23s17
Section: libraries
Priority: extra
XBSC-Group: IO
Maintainer: Matt Jenkins <matt@majenko.co.uk>
Build-Depends: debhelper (>= 8.0.0)
Standards-Version: 3.9.4
Package: libmcp23s17
Provides: MCP23S17.h
Architecture: all
Description: MCP23S17 library

40
software/arduino/PIA Communicator/lib/MCP23S17/debian/hooks/boot Normal file
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#!/usr/bin/perl
my $package = "unknown";
my $maj = 0;
my $min = 0;
my $out = "";
open (CONTROL, "<debian/control");
while (my $l = <CONTROL>) {
chomp($l);
if ($l =~ /Source: (.*)/) {
$package = $1;
}
}
close(CONTROL);
open(LOG, "git log --reverse --pretty=format:'%aN|%aE|%cD|%s'|");
while (my $l = <LOG>) {
chomp($l);
my ($author, $email, $time, $subject) = split(/\|/, $l);
my $add = "$package (1.$maj.$min) uecide; urgency=low\n";
$add .= "\n";
$add .= " * $subject\n";
$add .= "\n";
$add .= " -- $author <$email> $time\n";
$add .= "\n";
$min++;
if ($min == 10) {
$min = 0;
$maj++;
}
$out = $add . $out;
}
close(LOG);
open(CL, ">debian/changelog");
print CL $out;
close(CL);

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Doxyfile libraries/IO/MCP23S17/
LICENSE usr/share/doc/libmcp23s17/
MCP23S17.cpp libraries/IO/MCP23S17/
MCP23S17.h libraries/IO/MCP23S17/
README.md usr/share/doc/libmcp23s17/
examples/Expander32/EchoInput/EchoInput.ino libraries/IO/MCP23S17/examples/Expander32/EchoInput
html/jquery.js libraries/IO/MCP23S17/html
html/bdwn.png libraries/IO/MCP23S17/html
html/annotated.html libraries/IO/MCP23S17/html
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html/search/nomatches.html libraries/IO/MCP23S17/html/search
html/search/pages_6d.js libraries/IO/MCP23S17/html/search
html/search/functions_62.html libraries/IO/MCP23S17/html/search
html/tab_h.png libraries/IO/MCP23S17/html
latex/refman.ilg libraries/IO/MCP23S17/latex
latex/refman.tex libraries/IO/MCP23S17/latex
latex/Makefile libraries/IO/MCP23S17/latex
latex/doxygen.sty libraries/IO/MCP23S17/latex
latex/annotated.tex libraries/IO/MCP23S17/latex
latex/refman.pdf libraries/IO/MCP23S17/latex
latex/refman.idx libraries/IO/MCP23S17/latex
latex/refman.log libraries/IO/MCP23S17/latex
latex/md_README.tex libraries/IO/MCP23S17/latex
latex/refman.out libraries/IO/MCP23S17/latex
latex/refman.aux libraries/IO/MCP23S17/latex
latex/refman.ind libraries/IO/MCP23S17/latex
latex/refman.toc libraries/IO/MCP23S17/latex
latex/classMCP23S17.tex libraries/IO/MCP23S17/latex

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software/arduino/PIA Communicator/lib/MCP23S17/debian/rules Normal file
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#!/usr/bin/make -f
%:
dh $@

1
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3.0 (native)

32
software/arduino/PIA Communicator/lib/MCP23S17/examples/Expander32/EchoInput/EchoInput.ino Normal file
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#include <MCP23S17.h>
#ifdef __PIC32MX__
// chipKIT uses the DSPI library instead of the SPI library as it's better
#include <DSPI.h>
DSPI0 SPI;
#else
// Everytying else uses the SPI library
#include <SPI.h>
#endif
const uint8_t chipSelect = 10;
// Create an object for each chip
// Bank 0 is address 0
// Bank 1 is address 1.
// Increase the addresses by 2 for each BA value.
MCP23S17 Bank1(&SPI, chipSelect, 0);
MCP23S17 Bank2(&SPI, chipSelect, 1);
void setup() {
Bank1.begin();
Bank2.begin();
Bank1.pinMode(15, OUTPUT);
Bank2.pinMode(15, INPUT_PULLUP);
}
void loop() {
Bank1.digitalWrite(15, !Bank2.digitalRead(15));
}

194
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<div class="title">MCP23S17.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (c) , Majenko Technologies</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * Redistribution and use in source and binary forms, with or without modification, </span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * 1. Redistributions of source code must retain the above copyright notice, </span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * 3. Neither the name of Majenko Technologies nor the names of its contributors may be used</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * to endorse or promote products derived from this software without </span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * specific prior written permission.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; </span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE </span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE </span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"> * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE </span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL </span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR </span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="comment"> * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER </span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="comment"> * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, </span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="comment"> * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE </span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#ifndef _MCP23S17_H</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _MCP23S17_H</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor">#if (ARDUINO &gt;= 100) </span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># include &lt;Arduino.h&gt;</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># include &lt;WProgram.h&gt;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="preprocessor">#ifdef __PIC32MX__</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#include &lt;DSPI.h&gt;</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#include &lt;SPI.h&gt;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="classMCP23S17.html"> 47</a></span>&#160;<span class="keyword">class </span><a class="code" href="classMCP23S17.html">MCP23S17</a> {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="preprocessor">#ifdef __PIC32MX__</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="preprocessor"></span> DSPI *_spi; </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="preprocessor"></span> SPIClass *_spi; </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="preprocessor"></span> uint8_t _cs; </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; uint8_t _addr; </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; uint8_t _reg[22]; </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; IODIRA, IODIRB,</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; IPOLA, IPOLB,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; GPINTENA, GPINTENB,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; DEFVALA, DEFVALB,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; INTCONA, INTCONB,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; IOCONA, IOCONB,</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; GPPUA, GPPUB,</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; INTFA, INTFB,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; INTCAPA, INTCAPB,</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; GPIOA, GPIOB,</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; OLATA, OLATB</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; };</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keywordtype">void</span> readRegister(uint8_t addr); </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordtype">void</span> writeRegister(uint8_t addr);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordtype">void</span> readAll();</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordtype">void</span> writeAll();</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="preprocessor">#ifdef __PIC32MX__</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="preprocessor"></span> <a class="code" href="classMCP23S17.html#a97d5acfce335affc1fd0e90f27bb2773">MCP23S17</a>(DSPI *spi, uint8_t cs, uint8_t addr);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="preprocessor"></span> <a class="code" href="classMCP23S17.html#a97d5acfce335affc1fd0e90f27bb2773">MCP23S17</a>(SPIClass *spi, uint8_t cs, uint8_t addr);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="preprocessor"></span> <span class="keywordtype">void</span> <a class="code" href="classMCP23S17.html#a406756f19493cdec55b56617ddc109f1">begin</a>();</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classMCP23S17.html#a6e9078f8c0e9c623de2505ed4c19f09e">pinMode</a>(uint8_t pin, uint8_t mode);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classMCP23S17.html#a14834358725d440513946ac3d6c6a02e">digitalWrite</a>(uint8_t pin, uint8_t value);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; uint8_t <a class="code" href="classMCP23S17.html#a30386f1e0486570613ea06d110387093">digitalRead</a>(uint8_t pin);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; uint8_t <a class="code" href="classMCP23S17.html#a45d1747d85825e3bf2cf4be7268c9b92">readPort</a>(uint8_t port);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; uint16_t <a class="code" href="classMCP23S17.html#a45d1747d85825e3bf2cf4be7268c9b92">readPort</a>();</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classMCP23S17.html#ad11ed96faaef273362d2c54260e68891">writePort</a>(uint8_t port, uint8_t val);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classMCP23S17.html#ad11ed96faaef273362d2c54260e68891">writePort</a>(uint16_t val);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classMCP23S17.html#a8cfe7bd574736faeca00e133e5e19ec3">enableInterrupt</a>(uint8_t pin, uint8_t type);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classMCP23S17.html#aff570e5211f9443769a53f017626b180">disableInterrupt</a>(uint8_t pin);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classMCP23S17.html#a5b9bcf0d06c5a15875f406e1ed73ecc7">setMirror</a>(<span class="keywordtype">boolean</span> m);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; uint16_t <a class="code" href="classMCP23S17.html#ad1a11133076a20b9c16e30fb2ddc566c">getInterruptPins</a>();</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; uint16_t <a class="code" href="classMCP23S17.html#adf3b48d655eb9850a9349973d0ece330">getInterruptValue</a>();</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classMCP23S17.html#a5786c6b9a618a1c7c0fd95ca7d93774d">setInterruptLevel</a>(uint8_t level);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classMCP23S17.html#aef7c2e4c24141e8ba455aa1d2e497e6c">setInterruptOD</a>(<span class="keywordtype">boolean</span> openDrain);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;};</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="preprocessor">#endif</span></div>
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