Module 4In8Out Arduino 使用教程

#include <M5Unified.h>
#include "MODULE_4IN8OUT.h"
 
MODULE_4IN8OUT module;
 
void setup()
{
    M5.begin();
 
    i2c_port_t i2c_port = M5.In_I2C.getPort();
    i2c_port_t scl_pin  = M5.In_I2C.getSCL();
    i2c_port_t sda_pin  = M5.In_I2C.getSDA();
    auto twowire        = ((i2c_port == 1) ? &Wire1 : &Wire);
 
    while (!module.begin(twowire, sda_pin, scl_pin, MODULE_4IN8OUT_ADDR)) {
        Serial.println("4IN8OUT INIT ERROR");
        M5.Lcd.println("4IN8OUT INIT ERROR");
        delay(1000);
    };
    Serial.println("4IN8OUT INIT SUCCESS");
}
 
long interval = 0;
bool level    = false;
 
void loop()
{
    for (uint8_t i = 0; i < 4; i++) {
        if (module.getInput(i) != 1) {
            M5.Lcd.fillRect(60 + 60 * i, 0, 25, 25, TFT_GREEN);
        } else {
            M5.Lcd.fillRect(60 + 60 * i, 0, 25, 25, TFT_RED);
        }
        M5.Lcd.drawString("IN" + String(i), 40 + 60 * i, 5);
    }
    M5.Lcd.drawString("4IN8OUT MODULE", 60, 80, 4);
    if (millis() - interval > 1000) {
        interval = millis();
        level    = !level;
        for (uint8_t i = 0; i < 8; i++) {
            module.setOutput(i, level);
            if (level) {
                M5.Lcd.fillRect(20 + 35 * i, 200, 25, 25, TFT_BLACK);
                M5.Lcd.fillRect(20 + 35 * i, 200, 25, 25, TFT_BLUE);
            } else {
                M5.Lcd.fillRect(20 + 35 * i, 200, 25, 25, TFT_BLACK);
                M5.Lcd.drawRect(20 + 35 * i, 200, 25, 25, TFT_BLUE);
            }
            M5.Lcd.drawString("OUT" + String(i), 18 + 35 * i, 180);
        }
    }
    delay(500);
}