[Wio Terminal ]透過microSD卡或PuTTy 儲存感測器數值

#include <SPI.h>
#include <Seeed_FS.h>
#include "SD/Seeed_SD.h"

File myFile;
char str[4];

//設定檔案名稱 
const char* data_file = "test.csv";

void setup() {
  pinMode(WIO_KEY_A, INPUT_PULLUP);
  pinMode(WIO_LIGHT, INPUT);
  Serial.begin(9600);
  Serial.print("Initializing SD card...");

  //設定SD卡的連接設定
  if (!SD.begin(SDCARD_SS_PIN, SDCARD_SPI)) {
    Serial.println("initialization failed!");
  }
}

void loop() {
  int light = analogRead(WIO_LIGHT);
  //按下按鈕A後才會儲存
  if (digitalRead(WIO_KEY_A) == LOW) save_data_to_SD_Card(String(light));
}

void save_data_to_SD_Card(String light) {
  //開啟SD卡中的test.csv，如未有此檔案則會新增，如有則會由資料末端接續
  myFile = SD.open(data_file, FILE_APPEND);
  if (myFile)
  {
    //將紀錄規格設計成.csv的格式，前面的light為光感應器的數值，後面的1是為了示範格式，兩個數值間則用逗號隔開。這邊須注意輸入的類別需要為String(字串)
    String data_record = light + "," + "1";
    myFile.println(data_record);
   //關閉檔案 
   myFile.close();
    Serial.println(data_record);
    Serial.println("Data saved successfully!\n");
  }
  delay(1000);
}

#include <SPI.h>

void setup() {
  pinMode(WIO_KEY_A, INPUT_PULLUP);
  pinMode(WIO_LIGHT, INPUT);
  Serial.begin(9600);

}


void loop() {
  //讀取光感應器的數值
  int light = analogRead(WIO_LIGHT);
  //按下按鈕A執行
  if (digitalRead(WIO_KEY_A) == LOW) putty_read(String(light));
}

   
void putty_read(String light)
{
  //前面的light為光感應器的數值，後面的1是為了示範格式，兩個數值間則用逗號隔開。這邊  
  須注意輸入的類別需要為String(字串)
  String data_record = light + "," + "1";
  Serial.println(data_record);
  delay(1000);
}