[P124] Add plugin Output - I2C Multi Relay

2026-09-14 18:46:59 +00:00 · 2021-11-18 23:13:08 +01:00
parent 92988988a0
commit 26caea93b8
18 changed files with 987 additions and 2 deletions
@@ -0,0 +1,134 @@
+/*
+    multi_channel_relay.h
+    Seeed multi channel relay Arduino library
+
+    Copyright (c) 2018 Seeed Technology Co., Ltd.
+    Author        :   lambor
+    Create Time   :   June 2018
+    Change Log    :
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <multi_channel_relay.h>
+
+Multi_Channel_Relay::Multi_Channel_Relay() {
+
+}
+
+void Multi_Channel_Relay::begin(int address) {
+    // Wire.begin(); Handled by ESPEasy already
+    channel_state = 0;
+    _i2cAddr = address;
+
+}
+
+uint8_t Multi_Channel_Relay::getFirmwareVersion(void) {
+    Wire.beginTransmission(_i2cAddr);
+    Wire.write(CMD_READ_FIRMWARE_VER);
+    Wire.endTransmission();
+
+    Wire.requestFrom(_i2cAddr, 1);
+    //while(!Wire.available());
+    return Wire.read();
+}
+
+void Multi_Channel_Relay::changeI2CAddress(uint8_t old_addr, uint8_t new_addr) {
+    Wire.beginTransmission(old_addr);
+    Wire.write(CMD_SAVE_I2C_ADDR);
+    Wire.write(new_addr);
+    Wire.endTransmission();
+
+    _i2cAddr = new_addr;
+}
+
+uint8_t Multi_Channel_Relay::getChannelState(void) {
+    return channel_state;
+}
+
+void Multi_Channel_Relay::channelCtrl(uint8_t state) {
+    channel_state = state;
+
+    Wire.beginTransmission(_i2cAddr);
+    Wire.write(CMD_CHANNEL_CTRL);
+    Wire.write(channel_state);
+    Wire.endTransmission();
+}
+
+void Multi_Channel_Relay::turn_on_channel(uint8_t channel) {
+    channel_state |= (1 << (channel - 1));
+
+    Wire.beginTransmission(_i2cAddr);
+    Wire.write(CMD_CHANNEL_CTRL);
+    Wire.write(channel_state);
+    Wire.endTransmission();
+}
+
+void Multi_Channel_Relay::turn_off_channel(uint8_t channel) {
+    channel_state &= ~(1 << (channel - 1));
+
+    Wire.beginTransmission(_i2cAddr);
+    Wire.write(CMD_CHANNEL_CTRL);
+    Wire.write(channel_state);
+    Wire.endTransmission();
+}
+
+// uint8_t Multi_Channel_Relay::scanI2CDevice(void) {
+    // byte error = 0, address = 0, result = 0;
+    // int nDevices;
+
+    // DEBUG_PRINT.println("Scanning...");
+
+    // nDevices = 0;
+    // for (address = 1; address <= 127; address++) {
+    //     // The i2c_scanner uses the return value of
+    //     // the Write.endTransmisstion to see if
+    //     // a device did acknowledge to the address.
+    //     Wire.beginTransmission(address);
+    //     error = Wire.endTransmission();
+
+    //     if (error == 0) {
+    //         result = address;
+    //         DEBUG_PRINT.print("I2C device found at address 0x");
+    //         if (address < 16) {
+    //             DEBUG_PRINT.print("0");
+    //         }
+    //         DEBUG_PRINT.print(address, HEX);
+    //         DEBUG_PRINT.println("  !");
+
+    //         nDevices++;
+    //     } else if (error == 4) {
+    //         DEBUG_PRINT.print("Unknown error at address 0x");
+    //         if (address < 16) {
+    //             DEBUG_PRINT.print("0");
+    //         }
+    //         DEBUG_PRINT.println(address, HEX);
+    //     }
+    // }
+    // if (nDevices == 0) {
+    //     DEBUG_PRINT.println("No I2C devices found\n");
+    //     result = 0x00;
+    // } else {
+    //     DEBUG_PRINT.print("Found ");
+    //     DEBUG_PRINT.print(nDevices);
+    //     DEBUG_PRINT.print(" devices\n");
+    //     if (nDevices != 1) {
+    //         result = 0x00;
+    //     }
+    // }
+
+    // return result;
+//     return 0;
+// }