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j3tm0t0/room-monitor.ino

Last active Dec 8, 2020
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room-monitor for dragino w/Air Quality Sensor
/*
* send_multiple_sensor_data_with_soracom.ino
* Multiple sensor value send to Cloud via Unified Endpoint of SORACOM
*
* Copyright (c) 2020 SORACOM, INC.
* This software is released under the MIT License.
* http://opensource.org/licenses/mit-license.php
*/
#define CONSOLE Serial
#define INTERVAL_MS (60000)
#define ENDPOINT "uni.soracom.io"
#define SKETCH_NAME "send_multiple_sensor_data_with_soracom"
#define VERSION "1.0"
/* for LTE-M Shield for Arduino */
#define RX 10
#define TX 11
#define BAUDRATE 9600
#define TINY_GSM_MODEM_BG96
#include <TinyGsmClient.h>
#include <SoftwareSerial.h>
SoftwareSerial LTE_M_shieldUART(RX, TX);
TinyGsm modem(LTE_M_shieldUART);
TinyGsmClient ctx(modem);
#include <U8x8lib.h>
U8X8_SSD1306_128X64_NONAME_HW_I2C u8x8(/* clock=*/ SCL, /* data=*/ SDA, /* reset=*/ U8X8_PIN_NONE);
#define U8X8_ENABLE_180_DEGREE_ROTATION 1
#include <DHT.h>
#define dht11Pin 3
DHT dht(dht11Pin, DHT11);
#define OLED_MAX_CHAR_LENGTH 16
void drawText(U8X8* u8x8, const char* in_str, int width = OLED_MAX_CHAR_LENGTH);
void drawText_P(U8X8* u8x8, const char* pgm_s, int width = OLED_MAX_CHAR_LENGTH);
#include <Seeed_BMP280.h>
BMP280 bmp280;
#include <Wire.h>
#define AQS_ADDRESS 0x32
#define AQS_DATA_LEN 16
#define AQS_ID 0x43
void setup() {
CONSOLE.begin(9600);
LTE_M_shieldUART.begin(BAUDRATE);
u8x8.begin();
u8x8.setFlipMode(U8X8_ENABLE_180_DEGREE_ROTATION);
u8x8.setFont(u8x8_font_victoriamedium8_r);
CONSOLE.print(F("Welcome to ")); CONSOLE.print(SKETCH_NAME); CONSOLE.print(F(" ")); CONSOLE.println(VERSION);
u8x8.clear();
drawText_P(&u8x8, PSTR("Welcome to ")); drawText(&u8x8, SKETCH_NAME); drawText_P(&u8x8, PSTR(" ")); drawText(&u8x8, VERSION);
delay(3000);
u8x8.clear();
drawText_P(&u8x8, PSTR("modem.restart()..."));
modem.restart();
drawText_P(&u8x8, PSTR("done."));
delay(500);
u8x8.clear();
drawText_P(&u8x8, PSTR("modem.getModemInfo():"));
String modemInfo = modem.getModemInfo();
u8x8.println();
int modem_info_len = modemInfo.length() + 1;
char modem_info_buf[modem_info_len];
modemInfo.toCharArray(modem_info_buf, modem_info_len);
drawText(&u8x8, modem_info_buf);
delay(2000);
u8x8.clear();
drawText_P(&u8x8, PSTR("waitForNetwork()..."));
while (!modem.waitForNetwork());
drawText_P(&u8x8, PSTR("Ok."));
delay(500);
u8x8.clear();
drawText_P(&u8x8, PSTR("gprsConnect(soracom.io)..."));
modem.gprsConnect("soracom.io", "sora", "sora");
drawText_P(&u8x8, PSTR("done."));
delay(500);
u8x8.clear();
drawText_P(&u8x8, PSTR("isNetworkConnected()..."));
while (!modem.isNetworkConnected());
drawText_P(&u8x8, PSTR("Ok."));
delay(500);
u8x8.clear();
drawText_P(&u8x8, PSTR("My IP addr: "));
u8x8.println();
IPAddress ipaddr = modem.localIP();
CONSOLE.println(ipaddr);
char ip_addr_buf[20];
sprintf_P(ip_addr_buf, PSTR("%d.%d.%d.%d"), ipaddr[0], ipaddr[1], ipaddr[2], ipaddr[3]);
drawText(&u8x8, ip_addr_buf);
delay(2000);
dht.begin();
bmp280.init();
Wire.begin();
}
#define lightSensorPin A6
#define soundSensorPin A2
#define sountSamplingCount 3
void loop() {
uint8_t rdata[AQS_DATA_LEN];
int16_t int_eco2,int_iaq;
float eco2,iaq;
char buf_eco2[7],buf_iaq[5];
Wire.requestFrom(AQS_ADDRESS, AQS_DATA_LEN);
for(int i=0;i<AQS_DATA_LEN;i++)
{
rdata[i]=Wire.read();
}
Wire.endTransmission();
if(rdata[0]==AQS_ID) Serial.print("Sensor is Found! ");
else Serial.print("Sensor is Not Found! ");
if(rdata[1]==1) Serial.println("Sensor is Ready! ");
else Serial.println("Sensor is Not Ready! ");
int_eco2 = ((rdata[10]&0xFF)<<8) +(rdata[11]&0xFF);
int_iaq = ((rdata[12]&0xFF)<<8) +(rdata[13]&0xFF);
eco2 = int_eco2/10.0;
iaq = int_iaq/100.0;
dtostrf(eco2, 0, 2, buf_eco2);
dtostrf(iaq, 0, 2, buf_iaq);
int light_raw_value = analogRead(lightSensorPin);
int light_mapped_value = map(light_raw_value, 0, 1023, 0, 100);
long sound_raw_value_sum = 0;
for (int i = 0; i < sountSamplingCount; i++) {
sound_raw_value_sum += analogRead(soundSensorPin);
}
int sound_mapped_value = map(sound_raw_value_sum / sountSamplingCount, 0, 1023, 0, 100);
float temp = dht.readTemperature();
char temp_buf[10];
dtostrf(temp, 5, 1, temp_buf); /* format to "999.9" */
int humi = (int) dht.readHumidity();
float hPa = bmp280.getPressure() / 100.0;
char hPa_buf[10];
dtostrf(hPa, 6, 1, hPa_buf); /* format to "9999.9" */
u8x8.clear();
u8x8.setInverseFont(1);
u8x8.drawString(0, 0, " Ambient Monitor");
u8x8.println();
u8x8.setInverseFont(0);
char line_buf[18];
sprintf_P(line_buf, PSTR("lgt: %3d"), light_mapped_value);
drawText(&u8x8, line_buf);
u8x8.println();
sprintf_P(line_buf, PSTR("snd: %3d"), sound_mapped_value);
drawText(&u8x8, line_buf);
u8x8.println();
sprintf_P(line_buf, PSTR("tmp: %s"), temp_buf);
drawText(&u8x8, line_buf);
u8x8.println();
sprintf_P(line_buf, PSTR("hmd: %3d"), humi);
drawText(&u8x8, line_buf);
u8x8.println();
sprintf_P(line_buf, PSTR("hPa:%s"), hPa_buf);
drawText(&u8x8, line_buf);
u8x8.println();
char payload[128];
sprintf_P(payload, PSTR("{\"light\":%d,\"sound\":%d,\"temp_c\":%s,\"humi\":%d,\"air_pressure_hpa\":%s,\"co2\":%s,\"iaq\":%s}"),
light_mapped_value, sound_mapped_value, temp_buf, humi, hPa_buf, buf_eco2, buf_iaq);
/* example:
* {"light":48,"sound":60,"temp_c": 25.0,"humi":34,"air_pressure_hpa":1015.5}
*/
CONSOLE.println(payload);
CONSOLE.print(F("Send..."));
drawText_P(&u8x8, PSTR("Send..."));
/* connect */
if (!ctx.connect(ENDPOINT, 80)) {
CONSOLE.println(F("failed."));
drawText_P(&u8x8, PSTR("failed."));
delay(3000);
return;
}
/* send request */
char hdr_buf[40];
ctx.println(F("POST / HTTP/1.1"));
sprintf_P(hdr_buf, PSTR("Host: %s"), ENDPOINT);
ctx.println(hdr_buf);
ctx.println(F("Content-Type: application/json"));
sprintf_P(hdr_buf, PSTR("Content-Length: %d"), strlen(payload));
ctx.println(hdr_buf);
ctx.println();
ctx.println(payload);
/* receive response */
// NOTE: response header and body are ignore due to saving for memory
ctx.stop();
CONSOLE.println(F("done."));
u8x8.clearLine(6);
delay(INTERVAL_MS);
}
void drawText(U8X8* u8x8, const char* in_str, int width = OLED_MAX_CHAR_LENGTH) {
size_t len = strlen(in_str);
for (int i = 0 ; i < len ; i++) {
if (u8x8->tx > width - 1) {
u8x8->tx = 0; // CR
u8x8->ty++; // LF
}
u8x8->print(in_str[i]);
}
}
void drawText_P(U8X8* u8x8, const char* pgm_s, int width = OLED_MAX_CHAR_LENGTH) {
size_t len = strlen_P(pgm_s);
for (int i = 0 ; i < len ; i++) {
if (u8x8->tx > width - 1) {
u8x8->tx = 0; // CR
u8x8->ty++; // LF
}
char c = pgm_read_byte(pgm_s++);
u8x8->print(c);
}
}
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