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Unit_4RELAY_M5Atom.ino
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Unit_4RELAY_M5Atom.ino
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/*
*******************************************************************************
* Copyright (c) 2021 by M5Stack
* Equipped with Atom-Lite/Matrix sample source code
* 配套 Atom-Lite/Matrix 示例源代码
* Visit for more information: https://docs.m5stack.com/en/unit/4relay
* 获取更多资料请访问: https://docs.m5stack.com/zh_CN/unit/4relay
*
* Product: Unit 4RELAY.
* Date: 2022/7/22
*******************************************************************************
Please connect to port ,Control 4 relays and demonstrate the asynchronous
control relay LED 请连接端口，控制4继电器，并演示异步控制继电器LED
-------------------------------------------------------------------------------
RELAY control reg | 0x10
-----------------------------------------------------------------------------
Relay_ctrl_mode_reg[0] | R/W | System control
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| R | R | R | R | R | R | R | Sync Mode |
| -Sync Mode:0 LED&Relay Async
| -Sync Mode:1 LED&Relay Sync
---------------------------------------------------------------------------------
Relay_ctrl_mode_reg[1] | R/W | Relay & LED control
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| LED1| LED2| LED3| LED4| RLY1| RLY2| RLY3| RLY4|
-------------------------------------------------------------------------------*/
// Note: The relay can only be controlled in synchronous mode, if the relay is
// controlled in asynchronous mode, it will be invalid.
// 注意:只能在同步模式下控制继电器,如果在异步模式下对继电器进行控制将无效,.
#include <M5Atom.h>
#include "Unit_4RELAY.h"
UNIT_4RELAY relay;
void setup() {
M5.begin(); // Init M5Atom. 初始化 M5Atom
Serial.print(relay.begin(&Wire, 26, 32));
relay.Init(1); // Set the lamp and relay to synchronous mode(Async =
// 0,Sync = 1). 将灯和继电器设为同步模式
Serial.printf("Please pressed Btn. \n");
relay.relayAll(0);
}
char count_i = 0;
void loop() {
relay.relayAll(1);
delay(1000);
relay.relayAll(0);
delay(1000);
if (M5.Btn.wasPressed()) { // If button A is pressed. 如果按键A按下
if ((count_i < 4)) { // Control relays turn on/off in sequence.
// 控制继电器依次接通/断开
Serial.printf("%d ON\n", count_i);
relay.relayWrite(count_i, 1);
} else if ((count_i >= 4)) {
Serial.printf("%d OFF\n", (count_i - 4));
relay.relayWrite((count_i - 4), 0);
}
count_i++;
if (count_i >= 8) count_i = 0;
}
M5.update();
}