0.1.0 ADG2128_RT

libraries/ADG2128_RT/.arduino-ci.yml

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+platforms:
+  rpipico:
+    board: rp2040:rp2040:rpipico
+    package: rp2040:rp2040
+    gcc:
+      features:
+      defines:
+        - ARDUINO_ARCH_RP2040
+      warnings:
+      flags:
+
+packages:
+  rp2040:rp2040:
+    url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
+
+compile:
+  # Choosing to run compilation tests on 2 different Arduino platforms
+  platforms:
+    - uno
+    # - due
+    # - zero
+    # - leonardo
+    - m4
+    - esp32
+    - esp8266
+    # - mega2560
+    - rpipico
+
+  libraries:
+    - "printHelpers"

libraries/ADG2128_RT/.github/FUNDING.yml

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+# These are supported funding model platforms
+
+github: RobTillaart
+custom: "https://www.paypal.me/robtillaart"

libraries/ADG2128_RT/.github/workflows/arduino-lint.yml

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+name: Arduino-lint
+
+on: [push, pull_request]
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - uses: actions/checkout@v4
+      - uses: arduino/arduino-lint-action@v1
+        with:
+          library-manager: update
+          compliance: strict

libraries/ADG2128_RT/.github/workflows/arduino_test_runner.yml

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+name: Arduino CI
+
+on: [push, pull_request]
+
+jobs:
+  runTest:
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.6
+      - run: |
+          gem install arduino_ci
+          arduino_ci.rb

libraries/ADG2128_RT/.github/workflows/jsoncheck.yml

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+name: JSON check
+
+on:
+  push:
+    paths:
+      - '**.json'
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - uses: actions/checkout@v4
+      - name: json-syntax-check
+        uses: limitusus/json-syntax-check@v2
+        with:
+          pattern: "\\.json$"

libraries/ADG2128_RT/ADG2128.cpp

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+//
+//    FILE: ADG2128.cpp
+//  AUTHOR: Rob Tillaart
+//    DATE: 2025-02-28
+// VERSION: 0.1.0
+// PURPOSE: Arduino library for ADG2128 8x8 (cross-point) matrix switch with I2C.
+//     URL: https://github.com/RobTillaart/ADG2128
+
+
+
+#include "ADG2128.h"
+
+#define ADG2128_LATCHED_MODE        0x00
+#define ADG2128_DIRECT_MODE         0x01
+
+
+ADG2128::ADG2128(uint8_t address, TwoWire *wire)
+{
+  _address = address;
+  _wire = wire;
+  _error = 0;
+  _mode  = ADG2128_DIRECT_MODE;
+  _reset = 255;
+}
+
+bool ADG2128::begin()
+{
+  //  reset variables
+  _error = 0;
+
+  if ((_address < 0x70) || (_address > 0x77))
+  {
+    _error = -1;
+    return false;
+  }
+  if (! isConnected())
+  {
+    return false;
+  }
+  return true;
+}
+
+bool ADG2128::isConnected()
+{
+  _wire->beginTransmission(_address);
+  return (_wire->endTransmission() == 0);
+}
+
+uint8_t ADG2128::getAddress()
+{
+  return _address;
+}
+
+
+/////////////////////////////////////////////
+//
+//  SWITCHES
+//
+void ADG2128::on(uint8_t row, uint8_t col)
+{
+  if ((row > 7 ) || (col > 11)) return;
+  uint8_t pins = 0x80;  //  0x80 == ON
+  if (col < 6) pins |= (col << 3) + row;
+  else pins |= ((col + 2) << 3) + row;
+  _send(pins, _mode);
+}
+
+void ADG2128::off(uint8_t row, uint8_t col)
+{
+  if ((row > 7 ) || (col > 11)) return;
+  uint8_t pins = 0x00;  //  0x00 == OFF
+  if (col < 6) pins |= (col << 3) + row;
+  else pins |= ((col + 2) << 3) + row;
+
+  _send(pins, _mode);
+}
+
+bool ADG2128::isOn(uint8_t row, uint8_t col)
+{
+  if ((row > 7 ) || (col > 11)) return false;
+  uint8_t value = isOn(col);
+  return (value & (1 << row)) > 0;
+}
+
+uint8_t ADG2128::isOnMask(uint8_t col)
+{
+  if (col > 11) return false;
+  //  Table 8 datasheet
+  uint8_t mask = 0x34;  //  == 0b00110100;
+  if (col & 0x08) mask |= 0x02;
+  if (col & 0x04) mask |= 0x01;
+  if (col & 0x02) mask |= 0x40;
+  if (col & 0x01) mask |= 0x08;
+
+  return _readback(mask);
+}
+
+
+/////////////////////////////////////////////
+//
+//  MODE
+//
+//  default direct (transparent) mode
+void ADG2128::setMode(bool latched)
+{
+  _mode = latched ? ADG2128_LATCHED_MODE : ADG2128_DIRECT_MODE;
+}
+
+bool ADG2128::isLatchedMode()
+{
+  return _mode == ADG2128_LATCHED_MODE;
+}
+
+bool ADG2128::isDirectMode()
+{
+  return _mode == ADG2128_DIRECT_MODE;
+}
+
+
+/////////////////////////////////////////////
+//
+//  RESET
+//
+void ADG2128::setResetPin(uint8_t resetPin)
+{
+  _reset = resetPin;
+  pinMode(_reset, OUTPUT);
+  digitalWrite(_reset, HIGH);
+}
+
+
+void ADG2128::pulseResetPin()
+{
+  digitalWrite(_reset, LOW);
+  //  need delay(1);
+  digitalWrite(_reset, HIGH);
+}
+
+
+/////////////////////////////////////////////
+//
+//  DEBUG
+//
+int ADG2128::getLastError()
+{
+  int e = _error;
+  _error = 0;
+  return e;
+}
+
+
+///////////////////////////////////////////////
+//
+//  PRIVATE
+//
+
+int ADG2128::_send(uint8_t pins, uint8_t value)
+{
+  _wire->beginTransmission(_address);
+  _wire->write(pins);
+  _wire->write(value);
+  _error = _wire->endTransmission();
+  return _error;
+}
+
+
+int ADG2128::_readback(uint8_t value)
+{
+  _wire->beginTransmission(_address);
+  _wire->write(value);
+  _error = _wire->endTransmission();
+  uint8_t bytes = _wire->requestFrom(_address, (uint8_t)2);
+  if (bytes != 2)
+  {
+    _error = -1;
+    return 0;
+  }
+  _wire->read();  //  skip dummy data
+  return _wire->read();
+}
+
+
+//  -- END OF FILE --
+

libraries/ADG2128_RT/ADG2128.h

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+#pragma once
+//
+//    FILE: ADG2128.h
+//  AUTHOR: Rob Tillaart
+//    DATE: 2025-02-28
+// VERSION: 0.1.0
+// PURPOSE: Arduino library for ADG2128 8x12 (cross-point) matrix switch with I2C.
+//     URL: https://github.com/RobTillaart/ADG2128
+//
+
+
+#include "Arduino.h"
+#include "Wire.h"
+
+
+#define ADG2128_LIB_VERSION             (F("0.1.0"))
+
+#define ADG2128_DEFAULT_ADDRESS         0x70
+
+//  ERROR CODES
+//  values <> 0 are errors.
+#define ADG2128_OK                      0x00
+#define ADG2128_CRC_ERROR               0x01
+#define ADG2128_NOT_READY               0x10
+#define ADG2128_REQUEST_ERROR           0x11
+
+
+class ADG2128
+{
+public:
+  ADG2128(uint8_t address = ADG2128_DEFAULT_ADDRESS, TwoWire *wire = &Wire);
+
+  bool     begin();
+  bool     isConnected();
+  uint8_t  getAddress();
+
+
+  //  SWITCH
+  void     on(uint8_t row, uint8_t col);
+  void     off(uint8_t row, uint8_t col);
+  bool     isOn(uint8_t row, uint8_t col);
+  uint8_t  isOnMask(uint8_t col);  //  get a whole column at once as bit mask.
+
+  //  WRAPPERS.
+  void     on(uint8_t sw)   { on(sw / 12, sw % 12); };
+  void     off(uint8_t sw)  { off(sw / 12, sw % 12); };
+  uint8_t  isOn(uint8_t sw) { return isOn(sw / 12, sw % 12); };
+
+
+  //  MODE
+  //  default direct (transparent) mode
+  void     setMode(bool latched = false);
+  bool     isLatchedMode();
+  bool     isDirectMode();
+
+
+  //       RESET
+  void     setResetPin(uint8_t resetPin);
+  //       reset ==> all switches off, registers ==> 0.
+  void     pulseResetPin();
+
+
+  //       DEBUG
+  int      getLastError();
+
+
+private:
+  uint8_t  _address = 0x2A;
+  TwoWire* _wire;
+
+  int      _send(uint8_t pins, uint8_t value);
+  int      _readback(uint8_t value);
+
+  int      _error;
+  uint8_t  _mode;
+  uint8_t  _reset;
+};
+
+
+//  -- END OF FILE --
+
+
+
+
+

libraries/ADG2128_RT/CHANGELOG.md

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+# Change Log ADG2128
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/)
+and this project adheres to [Semantic Versioning](http://semver.org/).
+
+
+## [0.1.0] - 2025-02-28
+- initial version
+
+
+

libraries/ADG2128_RT/LICENSE

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+MIT License
+
+Copyright (c) 2025-2025 Rob Tillaart
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.