ESP8266とBME280でAmbientにデータを5分おきに送信するコード

BME_Ambient.c

#include <ESP8266WiFi.h>
#include <Wire.h>
#include <SPI.h>
#include "BME280_MOD-1022.h"
#include "Ambient.h"

extern "C" {
  #include "user_interface.h"
}
const char* ssid     = "xxxxxxxxxx";       // Wifiの SSID
const char* password = "xxxxxxxxxxxx";     // Wifiのパスワード
unsigned int channelId = xxxx;
const char* writeKey = "xxxxxxxxxxxx";

void printFormattedFloat(float val) {
  char buffer[10];

  dtostrf(val, 4, 2, buffer);
  Serial.print(buffer);
}

void setup() {
  Serial.begin(115200);
  Wire.begin(13, 14); delay(10);             // SDA=GPIO_13,SCL=GPIO_14
 
  BME280.readCompensationParams();           // read the NVM compensation parameters
  BME280.writeOversamplingTemperature(os1x); // 1x over sampling
  BME280.writeOversamplingHumidity(os1x);    // 1x over sampling
  BME280.writeOversamplingPressure(os1x);    // 1x over sampling
 
  Serial.println();Serial.println();Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.begin(ssid, password); 
  while (WiFi.status() != WL_CONNECTED) { delay(500);Serial.print(".");}
  Serial.println("");Serial.println("WiFi connected");Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}
 
void loop() {
  delay(5000);
  WiFiClient client;      // Use WiFiClient class to create TCP connections
  Ambient ambient;
 
  BME280.writeMode(smForced); // After taking the measurement the chip goes back to sleep
  while (BME280.isMeasuring()){Serial.println("Measuring...");delay(50);}
  Serial.println("Done!");
  BME280.readMeasurements();                     // read out the data
  float temperature = BME280.getTemperature(); // Temp
  float humidity = BME280.getHumidity();    // Humidity
  float pressure = BME280.getPressure();    // Pressure

  Serial.print("Temperature: ");
  printFormattedFloat(temperature);
  Serial.println("");

  Serial.print("Humidity: ");
  printFormattedFloat(humidity);
  Serial.println("");

  Serial.print("Pressure: ");
  printFormattedFloat(pressure);
  Serial.println("");
  Serial.println("");
  
  ambient.begin(channelId, writeKey, &client);
  Serial.println("Ambient start.");

  ambient.set(1, temperature);
  ambient.set(2, humidity);
  ambient.set(3, pressure);
  ambient.send();
  
  delay(10); 
  Serial.println();Serial.println("closing connection. going to sleep...");
  delay(1000);
  system_deep_sleep_set_option(0);              // go to deepsleep for 5 minutes
  system_deep_sleep(5 * 60 * 1000000);         // 5 min
}