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arduino-humidity-sensors-test.ino
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arduino-humidity-sensors-test.ino
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/*
Multiple i2c humidity sensors tester.
code for https://wiki.liutyi.info/display/ARDUINO/Test+i2c+humidity+sensors
HW Modification: https://wiki.liutyi.info/display/ARDUINO/v9+Sensors+Board
*/
#include <SPI.h>
#include <SD.h>
#include <UTFT.h>
#include <Wire.h>
#include <RTClib.h>
RTC_DS3231 rtc;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
// Declare which fonts we will be using
extern uint8_t SmallFont[];
extern uint8_t SevenSegNumFont[];
extern uint8_t BigFont[];
// SCREEN Type and PINs
UTFT LCD(ILI9486, 38, 39, 40, 41);
// SD Card PIN
const int SDCARD = 53;
File logfile1;
File logfile2;
// Screen customiztion
#define APPNAME "Humidity sensors tester v9.0"
const String HEADER[11] { "SHT2x", "SHT3x", "BM/CC", "Si702", "HTU21", "SHThh", "HDC10", "HDC20", "AHT1x", "AM232"};
#define FOOTER "https://wiki.liutyi.info/"
// Variables for file rotation 000-999
#define t_base_name "t_v9_"
#define rh_base_name "h_v9_"
const uint8_t t_base_name_size = sizeof(t_base_name) - 1;
const uint8_t rh_base_name_size = sizeof(rh_base_name) - 1;
char tFileName[] = t_base_name "000.csv";
char rhFileName[] = rh_base_name "000.csv";
// Define number and addresses of multiplexers
uint8_t multiplexer[6] = {119, 113, 114, 115, 116, 117};
// Type of sensor
#define EMPTY 0 /* slot is empty or sensor disabled */
#define SHT2X 1 /* include SHT20, SHT21, SHT25, HTU21d*/
#define SI70XX 2 /* includes Si7021 */
#define HDC1X 3 /* includes HTU21d */
#define SHT3X 4 /* include SHT30, SHT31, SHT35*/
#define BME280 5 /* includes BME280 */
#define BME680 6 /* includes BME680 */
#define DHT1X 7 /* includes DHT12 */
#define DHT2X 8 /* includes DHT22 */
#define AHT1X 9 /* includes AHT10 */
#define SHT8X 10 /* includes SHT85 */
#define HTU2X 11 /* includes HTU21d */
#define AM2320 12 /* includes AM2320 */
#define HDC2X 13 /* includes HDC2080 */
#define SHTCX 14 /* includes SHTC1 and SHTC3 */
#define CC2D 15 /* includes CC2D33 */
#define HIH7X 16 /* includes HIH7120 */
#define DISABLED 17 /* includes */
// indexes name in sensor arrays
#define get_type 0 /* indexes name in sensor arrays */
#define get_collumn 1 /* indexes name in sensor arrays */
#define get_address 2 /* indexes name in sensor arrays */
#define get_color 3 /* indexes name in sensor arrays */
#define UNDEF 255 /* sensor have no position on display */
#define NOCOLM 254 /* do not display this sensor */
// Sensor properties by [multiplexor][i2c_bus][number][get_type/get_collumn/get_address/get_color]
const uint8_t sensor[6][8][3][4] =
{
{
{ {SHT2X, 1, 64, 170}, {SHT3X, 2, 68, 190}, {BME280, 3, 118, 160} },
{ {SHT2X, 1, 64, 170}, {SHT3X, 2, 68, 190}, {BME280, 3, 118, 160} },
{ {SHT2X, 1, 64, 170}, {SHT3X, 2, 68, 230}, {BME280, 3, 118, 160} },
{ {SHT2X, 1, 64, 200}, {SHT3X, 2, 68, 230}, {BME280, 3, 118, 160} },
{ {SHT2X, 1, 64, 200}, {SHT3X, 2, 68, 255}, {BME280, 3, 118, 160} },
{ {SHT2X, 1, 64, 215}, {SHT3X, 2, 68, 255}, {CC2D, 3, 40, 255} },
{ {SHT2X, 1, 64, 215}, {SHT3X, 2, 68, 220}, {CC2D, 3, 40, 255} },
{ {SHT2X, 1, 64, 255}, {SHT3X, 2, 68, 220}, {CC2D, 3, 40, 255} }
},
{
{ {SI70XX, 4, 64, 220}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {SI70XX, 4, 64, 220}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {SI70XX, 4, 64, 170}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {SI70XX, 4, 64, 170}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {SI70XX, 4, 64, 170}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {SI70XX, 4, 64, 170}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {SI70XX, 4, 64, 210}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {SI70XX, 4, 64, 255}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} }
},
{
{ {HTU2X, 5, 64, 190}, {EMPTY, UNDEF, 0, 255}, {HIH7X, 6, 39, 100} },
{ {HTU2X, 5, 64, 190}, {EMPTY, UNDEF, 0, 255}, {HIH7X, 6, 39, 100} },
{ {HTU2X, 5, 64, 190}, {SHT8X, 6, 68, 255}, {EMPTY, UNDEF, 0, 255} },
{ {HTU2X, 5, 64, 190}, {SHT8X, 6, 68, 255}, {EMPTY, UNDEF, 0, 255} },
{ {HTU2X, 5, 64, 190}, {SHT8X, 6, 68, 255}, {EMPTY, UNDEF, 0, 255} },
{ {HTU2X, 5, 64, 230}, {SHT3X, 6, 68, 240}, {EMPTY, UNDEF, 0, 255} },
{ {HTU2X, 5, 64, 230}, {EMPTY, UNDEF, 0, 255}, {SHTCX, 6, 112, 210} },
{ {HTU2X, 5, 64, 255}, {EMPTY, UNDEF, 0, 255}, {SHTCX, 6, 112, 210} }
},
{
{ {AHT1X, 9, 56, 120}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {AHT1X, 9, 56, 120}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {AHT1X, 9, 56, 120}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {AHT1X, 9, 56, 120}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {AHT1X, 9, 56, 240}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {AHT1X, 9, 56, 240}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {AHT1X, 9, 56, 240}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} },
{ {AHT1X, 9, 56, 240}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 150} }
},
{
{ {HDC1X, 7, 64, 180}, {AM2320, 10, 92, 100}, {EMPTY, UNDEF, 0, 150} },
{ {HDC1X, 7, 64, 180}, {AM2320, 10, 92, 100}, {EMPTY, UNDEF, 0, 150} },
{ {HDC1X, 7, 64, 180}, {AM2320, 10, 92, 100}, {EMPTY, UNDEF, 0, 150} },
{ {HDC1X, 7, 64, 180}, {AM2320, 10, 92, 100}, {SHTCX, 10, 112, 210} },
{ {HDC1X, 7, 64, 180}, {AM2320, 10, 92, 100}, {SHTCX, 10, 112, 210} },
{ {HDC1X, 7, 64, 180}, {AM2320, 10, 92, 100}, {SHTCX, 10, 112, 210} },
{ {HDC1X, 7, 64, 180}, {AM2320, 10, 92, 100}, {SHTCX, 10, 112, 210} },
{ {HDC1X, 7, 64, 180}, {AM2320, 10, 92, 100}, {SHTCX, 10, 112, 210} }
},
{
{ {HDC2X, 8, 64, 210}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 100} },
{ {HDC2X, 8, 64, 210}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 100} },
{ {HDC2X, 8, 64, 210}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 100} },
{ {HDC2X, 8, 64, 210}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 100} },
{ {HDC2X, 8, 64, 210}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 100} },
{ {HDC2X, 8, 64, 210}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 100} },
{ {HDC2X, 8, 64, 210}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 100} },
{ {HDC2X, 8, 64, 210}, {EMPTY, UNDEF, 0, 150}, {EMPTY, UNDEF, 0, 100} }
}
};
// Set header (sensor names) for csv file. leave empty if intend to substitute sensors time-to-time without firmware update
#define csvheader "Time,SHT20,SHT20,SHT20,SHT21-C,SHT21-C,SHT21-G,SHT21-G,SHT25,SHT30,SHT30,SHT31,SHT31,SHT35,SHT35,SHT31-2,SHT31-2,BME280,BME280,BME280,BME280-G,BME280-G,CC2D,CC2D,CC2D,Si7021,Si7021,Si7021-Y,Si7021-Y,Si7021-Y,Si7021-Y,Si7021-G,Si7021-A,HTU21d-Y,HTU21d-Y,HTU21d-Y,HTU21d-Y,HTU21d-Y,HTU21d-G,HTU21d-G,HTU21d-A,SHT85,SHT85,SHT85,SHT31-A,HIH7120,HIH7120,SHTC3,SHTC3,AHT15,AHT15,AHT15,AHT15,AHT20,AHT20,AHT20,AHT20,HDC1080-G,HDC1080-G,HDC1080-G,HDC1080-C,HDC1080-C,HDC1080-C,HDC1080-C,HDC1080-C,AM2320,AM2320,AM2320,AM2320,AM2320,AM2320,AM2320,AM2320,SHTC1,SHTC1,SHTC1,SHTC1,SHTC1,HDC2080-C,HDC2080-C,HDC2080-C,HDC2080-C,HDC2080-C,HDC2080-C,HDC2080-C,HDC2080-C"
// Sensor communication variables
#define DEFAULT_TIMEOUT 300
#define SHT2X_CMD_SIZE 1
#define SHT2X_DATA_SIZE 2
#define SHT2X_T_MEASUREMENT_DELAY 85 /* 85 - 14bit, 43 - 13 bit, 22 - 12 bit, 11 - 11 bit */
#define SHT2X_RH_MEASUREMENT_DELAY 30 /* 29 - 12bit, 15 - 11 bit, 9 - 10 bit, 4 - 8 bit */
#define SHT_RESET_DURATION 20 /* should be 15 */
#define SHT2X_READ_T 0xE3 /* HOLD the master */
//#define SHT2X_READ_T 0xF3
#define SHT2X_READ_RH 0xE5 /* HOLD the master */
//#define SHT2X_READ_RH 0xF5
#define SHT2X_RESET 0xFE
#define SHT3X_CMD_SIZE 2
#define SHT3X_DATA_SIZE 6
#define SHT3X_MEASUREMENT_DELAY 16 /* HIGH = 15 MID=6 LOW=4 */
#define SHT3X_CLOCK_STRETCH 0x2C
//#define SHT3X_CLOCK_STRETCH 0x24
#define SHT3X_HRES_READ 0x06
//#define SHT3X_HRES_READ 0x00
#define SHT3X_CONTROL 0x30
#define SHT3X_RESET 0xA2
#define SHT3X_HEATER_OFF 0x66
#define SHT3X_CLEAR_STATUS 0x41
#define HDC1X_CONFIG_CMD_SIZE 3
#define HDC1X_DATA_SIZE 2
#define HDC1X_READ_T 0x00
#define HDC1X_READ_RH 0x01
#define HDC1X_CONFIG 0x02
#define HDC1X_HRES 0x00
#define HDC1X_RESET 0x80
#define HDC1X_MEASUREMENT_DELAY 15 /* t 6.35 -14 bit 3.65 - 11bit; RH 14bit - 6.50, 11 bit - 3.85, 8bit - 2.50 */
#define HDC1X_RESET_DURATION 15 /*After power-up, the sensor needs at most 15 ms, to be ready*/
#define HDC2X_CONFIG_CMD_SIZE 2
#define HDC2X_DATA_SIZE 2
#define HDC2X_READ_T 0x00
#define HDC2X_READ_RH 0x02
#define HDC2X_CONFIG_REG 0x0F
#define HDC2X_CONFIG_DATA 0x01 /* 00: 14b bit resolution t/RH, 00 - both t and RH, 0 - no action, 1 - measurement */
#define HDC2X_RESET_REG 0x0E /* 0E - Reset D0 - Reset and 1 Hz sampling */
#define HDC2X_RESET_DATA 0x80 /* disable AMM, Heater off, High Z, Active Low, Level sensitive */
#define HDC2X_MEASUREMENT_DELAY 10 /* t 6.1 - 14 bit 3.5 - 11bit; RH 14bit - 6.6, 11 bit - 4.0, 8bit - 2.75 */
#define HDC2X_RESET_DURATION 3 /*After power-up, the sensor needs at most 3 ms, to be ready*/
#define DHT12_CONFIG_CMD_SIZE 3
#define DHT12_DATA_SIZE 2
#define DHT12_READ_T 0x02
#define DHT12_READ_RH 0x00
#define DHT12_MEASUREMENT_DELAY 50
#define BME280_CMD_SIZE 1
#define BME280_CFG_SIZE 2
#define BME280_DATA_SIZE 2
#define BME280_T_DATA_SIZE 3
#define BME280_MEASUREMENT_DELAY 20 /* HIGH = 15 MID=6 LOW=4 */
#define BME280_RESET_DURATION 300 /* should be 15 */
#define BME280_READ_T 0xFA
#define BME280_READ_RH 0xFD
#define BME280_RESET_REGISTER 0xE0
#define BME280_RESET 0xB6
#define BME280_CONFIG_REG 0xF5
#define BME280_CONFIG 0x00 /* 0.5ms standby, filter off, no 3-wire SPI */
#define BME280_CONTROL_RH_REG 0xF2 /* need to update RH and M register both to apply RH */
//#define BME280_CONTROL_RH 0x01 /* 001 - RH oversampling x1 */
#define BME280_CONTROL_RH 0x05 /* 101 - RH oversampling x16 */
#define BME280_CONTROL_M_REG 0xF4
//#define BME280_CONTROL_M 0x27 /* 001 - t oversampling x1, 001 - p oversampling x1 11 - normal (not sleep) mode */
#define BME280_CONTROL_M 0xA3 /* 101 - t oversampling x16, 000 - p oversampling x0 11 - normal (not sleep) mode */
#define BME280_7BIT_MASK 0x7F
#define BME280_COEFF1_ADDR 0x88
#define BME280_COEFF2_ADDR 0xE1
#define BME280_COEFF3_ADDR 0xA1
#define BME280_COEFF1_SIZE 6
#define BME280_COEFF2_SIZE 7
#define BME280_COEFF3_SIZE 1
//COEF1
#define BME280_T1_LSB 0
#define BME280_T1_MSB 1
#define BME280_T2_LSB 2
#define BME280_T2_MSB 3
#define BME280_T3_LSB 4
#define BME280_T3_MSB 5
//COEF2
#define BME280_H2_LSB 0
#define BME280_H2_MSB 1
#define BME280_H3 2
#define BME280_H4_MSB 3
#define BME280_H4_LSB 4
#define BME280_H5_LSB 4
#define BME280_H5_MSB 5
#define BME280_H6 6
//COEF3
#define BME280_H1 0
#define BME680_CMD_SIZE 1
#define BME680_CFG_SIZE 2
#define BME680_MEASUREMENT_DELAY 20 /* HIGH = 15 MID=6 LOW=4 */
#define BME680_RESET_DURATION 150 /* should be 15 */
#define BME680_READ_ALL 0x1D
#define BME680_READ_ALL_SIZE 15
#define BME680_READ_T 0x22
#define BME680_READ_RH 0x25
#define BME680_RESET_REGISTER 0xE0
#define BME680_RESET 0xB6
#define BME680_CONFIG_REG 0x75
#define BME680_CONFIG 0x00 /* 0.5ms standby, filter off, no 3-wire SPI */
#define BME680_CONTROL_RH_REG 0x72 /* need to update RH and M register both to apply RH */
//#define BME680_CONTROL_RH 0x01 /* 001 - RH oversampling x1 */
#define BME680_CONTROL_RH 0x05 /* 101 - RH oversampling x16 */
#define BME680_CONTROL_M_REG 0x74
//#define BME680_CONTROL_M 0x20 /* 001 - t oversampling x1, 000 - p disabled (oversampling x0) 00 - sleep mode */
#define BME680_CONTROL_M 0xA0 /* 101 - t oversampling x16, 000 - p disabled (oversampling x0) 00 - sleep mode */
#define BME680_CONTROL_M_ON 0x21
#define BME680_CONTROL_GH_REG 0x70
#define BME680_CONTROL_GH 0x0 /*Gas heater off*/
#define BME680_COEFF1_ADDR 0x89
#define BME680_COEFF2_ADDR 0xE1
#define BME680_COEFF1_SIZE 4
#define BME680_COEFF2_SIZE 16
//COEF1
#define BME680_T2_LSB 1
#define BME680_T2_MSB 2
#define BME680_T3 3
//COEF2
#define BME680_H2_MSB 0
#define BME680_H2_LSB 1
#define BME680_H1_LSB 1
#define BME680_H1_MSB 2
#define BME680_H3 3
#define BME680_H4 4
#define BME680_H5 5
#define BME680_H6 6
#define BME680_H7 7
#define BME680_T1_LSB 8
#define BME680_T1_MSB 9
#define AHT1X_CMD_SIZE 3
#define AHT1X_DATA_SIZE 6
#define AHT1X_T_MEASUREMENT_DELAY 60
#define AHT1X_RH_MEASUREMENT_DELAY 20
#define AHT1X_RESET_DURATION 20
#define AHT1X_READ 0xAC /* t and RH Calibrated Measurement 1010 1100 */
#define AHT1X_READ_DATA0 0x33
#define AHT1X_READ_DATA1 0x00
#define AHT1X_INIT 0xE1 /* Init: 1110 0001 */
#define AHT1X_INIT_DATA0 0x08
#define AHT1X_INIT_DATA1 0x00
#define AHT1X_RESET 0xBA /* Reset: 1011 1010 */
#define AM2320_READ 0x03 /// function code
#define AM2320_READ_T 0x02 /// read t
#define AM2320_READ_H 0x00 /// read rh
#define AM2320_DATA_SIZE 4
#define AM2320_CMD_SIZE 3
#define AM2320_T_MEASUREMENT_DELAY 20
#define AM2320_RH_MEASUREMENT_DELAY 10
#define SHTCX_CMD_SIZE 2
#define SHTCX_DATA_SIZE 6
#define SHTCX_MEASUREMENT_DELAY 15
#define SHTCX_CLOCK_STRETCH_READ_T1 0x7C
#define SHTCX_CLOCK_STRETCH_READ_T2 0xA2
#define SHTCX_CLOCK_STRETCH_READ_H1 0x5C
#define SHTCX_CLOCK_STRETCH_READ_H2 0x24
#define SHTCX_READ_T1 0x78
#define SHTCX_READ_T2 0x66
#define SHTCX_READ_H1 0x58
#define SHTCX_READ_H2 0xE0
#define SHTCX_RESET1 0x80
#define SHTCX_RESET2 0x5D
#define CC2DX_CMD_SIZE 1
#define CC2DX_DATA_SIZE 4
#define CC2DX_MEASUREMENT_DELAY 45
#define CC2DX_NORMAL_MODE 0x80
#define CC2DX_COMMAND_MODE 0xA0
#define CC2DX_DUMMY_BYTE 0X00
#define CC2DX_DATA_FETCH 0xDF
#define HIH7X_CMD_SIZE 1
#define HIH7X_DATA_SIZE 4
#define HIH7X_MEASUREMENT_DELAY 45
#define HIH7X_NORMAL_MODE 0x80
#define HIH7X_COMMAND_MODE 0xA0
#define HIH7X_DUMMY_BYTE 0X00
#define HIH7X_DATA_FETCH 0xDF
uint8_t readBuffer[17] = {0}; //buffer for read from sensor
uint8_t writeBuffer[3] = {0}; //variable to devide long i2c command
uint32_t timeout;
// Other Variables
int x;
int y;
uint8_t mux;
uint8_t bus;
uint8_t dev;
uint8_t type;
uint8_t addr;
uint8_t colm;
uint8_t colg;
String csvline1 = "";
String csvline2 = "";
long seconds;
float hum = 0;
float temp = 0;
int32_t temp_comp_680;
int32_t temp_comp_280;
uint8_t cycle;
void setupSD ()
{
LCD.clrScr();
LCD.setColor(255, 255, 255);
LCD.setBackColor(0, 0, 0);
LCD.setFont(BigFont);
// Setup SD
LCD.print("Initializing SD card...", LEFT, 1);
pinMode(SDCARD, OUTPUT);
if (!SD.begin(SDCARD/*, SPI_HALF_SPEED*/)) {
LCD.print("Card failed, or not present", LEFT, 18);
return;
} else {
LCD.print("card initialized.", LEFT, 18);
while (SD.exists(tFileName)) {
if (tFileName[t_base_name_size + 2] != '9') {
tFileName[t_base_name_size + 2]++;
} else if (tFileName[t_base_name_size + 1] != '9') {
tFileName[t_base_name_size + 2] = '0';
tFileName[t_base_name_size + 1]++;
} else if (tFileName[t_base_name_size ] != '9') {
tFileName[t_base_name_size + 2] = '0';
tFileName[t_base_name_size + 1] = '0';
tFileName[t_base_name_size]++;
} else {
LCD.print("Can't generate temperature file name", LEFT, 36);
return;
}
while (SD.exists(rhFileName)) {
if (rhFileName[rh_base_name_size + 2] != '9') {
rhFileName[rh_base_name_size + 2]++;
} else if (rhFileName[rh_base_name_size + 1] != '9') {
rhFileName[rh_base_name_size + 2] = '0';
rhFileName[rh_base_name_size + 1]++;
} else if (rhFileName[rh_base_name_size] != '9') {
rhFileName[rh_base_name_size + 1] = '0';
rhFileName[rh_base_name_size + 2] = '0';
rhFileName[rh_base_name_size]++;
} else {
LCD.print("Can't generate humidity file name", LEFT, 36);
return;
}
}
}
}
// CSV Header
logfile1 = SD.open(rhFileName, FILE_WRITE );
logfile1.println(csvheader);
logfile1.close();
logfile2 = SD.open(tFileName, FILE_WRITE );
logfile2.println(csvheader);
logfile2.close();
}
void drawTable ()
{
LCD.setFont(SmallFont);
LCD.clrScr();
// RED header
LCD.setColor(80, 80, 80);
LCD.fillRect(0, 0, 479, 13);
// Gray Footer
LCD.setColor(60, 70, 80);
LCD.fillRect(0, 306, 479, 319);
// Header Text (White)
LCD.setColor(255, 255, 255);
LCD.setBackColor(80, 80, 80);
LCD.print(APPNAME, CENTER, 1);
// Footer Text (Yellow)
LCD.setBackColor(64, 64, 64);
LCD.setColor(255, 255, 0);
LCD.print(FOOTER, CENTER, 307);
// Table title
LCD.setBackColor(0, 0, 0);
LCD.setColor(150, 150, 150);
LCD.setFont(SmallFont);
// Gray Frame
//LCD.setColor(60, 60, 60);
LCD.drawRect(0, 14, 479, 305);
//Draw Grid and header text
uint8_t i = 0;
for (int y = 14; y < 270; y += 28)
LCD.drawLine(1, y, 479, y);
for (int x = 48; x < 490; x += 48) {
LCD.print(HEADER[i], ( x - 42 ), 24);
LCD.drawLine(x, 14, x, 266);
i++;
}
}
void initSensors ()
{
LCD.setBackColor(0, 0, 0);
LCD.setColor(100, 100, 0);
LCD.setFont(SmallFont);
for (mux = 0; mux < sizeof(multiplexer); mux++)
{
for (bus = 0; bus < 8; bus++)
{
choose_i2c_bus();
for (dev = 0; dev < 3; dev++)
{
type = sensor[mux][bus][dev][get_type];
addr = sensor[mux][bus][dev][get_address];
colm = (sensor[mux][bus][dev][get_collumn] - 1);
if (type != EMPTY) {
init_sensor(type, addr);
}
if (colm != NOCOLM) {
x = 5 + (colm * 48);
y = 46 + (28 * bus);
LCD.printNumI (addr, x, y);
}
}
}
}
}
void choose_i2c_bus() {
for (uint8_t i = 0; i < sizeof(multiplexer); i++) {
uint8_t addr = multiplexer[i];
Wire.beginTransmission(addr);
if ( i == mux ) {
Wire.write(1 << bus);
} else {
Wire.write(0);
}
Wire.endTransmission();
}
}
void clean_buffers () {
for (uint8_t i = 0; i < sizeof(readBuffer); i++) {
readBuffer[i] = 0;
}
for (uint8_t i = 0; i < sizeof (writeBuffer); i++) {
writeBuffer[i] = 0;
}
}
void init_sensor (uint8_t itype, uint8_t iaddr)
{
clean_buffers();
if ((type == SHT2X) | (type == SI70XX) | (type == HTU2X)) {
Wire.beginTransmission(iaddr);
Wire.write(SHT2X_RESET);
Wire.endTransmission();
//delay(SHT_RESET_DURATION); /* since there is no other configuration, skip delay */
}
if ((type == SHT3X) | (type == SHT8X)) {
Wire.beginTransmission(iaddr);
writeBuffer[0] = SHT3X_CONTROL;
writeBuffer[1] = SHT3X_RESET;
for (int i = 0; i < SHT3X_CMD_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
//delay(SHT_RESET_DURATION); /* since there is no other configuration, skip delay */
}
if (type == HDC1X) {
Wire.beginTransmission(addr);
writeBuffer[0] = HDC1X_CONFIG;
writeBuffer[1] = HDC1X_RESET;
writeBuffer[2] = HDC1X_HRES;
for (int i = 0; i < HDC1X_CONFIG_CMD_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
//delay(HDC1X_RESET_DURATION); /* since there is no other configuration, skip delay */
}
if (type == HDC2X) {
Wire.beginTransmission(addr);
writeBuffer[0] = HDC2X_RESET_REG;
writeBuffer[1] = HDC2X_RESET_DATA;
for (int i = 0; i < HDC2X_CONFIG_CMD_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
//delay(HDC2X_RESET_DURATION);
}
if (type == BME280 ) {
Wire.beginTransmission(addr);
writeBuffer[0] = BME280_RESET_REGISTER;
writeBuffer[1] = BME280_RESET;
for (int i = 0; i < BME280_CFG_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
delay(BME280_RESET_DURATION);
Wire.beginTransmission(addr);
writeBuffer[0] = BME280_CONTROL_RH_REG;
writeBuffer[1] = BME280_CONTROL_RH;
for (int i = 0; i < BME280_CFG_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
Wire.beginTransmission(addr);
writeBuffer[0] = BME280_CONTROL_M_REG;
writeBuffer[1] = BME280_CONTROL_M;
for (int i = 0; i < BME280_CFG_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
}
if (type == BME680 ) {
Wire.beginTransmission(addr);
writeBuffer[0] = BME680_RESET_REGISTER;
writeBuffer[1] = BME680_RESET;
for (int i = 0; i < BME680_CFG_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
delay(BME680_RESET_DURATION);
Wire.beginTransmission(addr);
writeBuffer[0] = BME680_CONTROL_GH_REG;
writeBuffer[1] = BME680_CONTROL_GH;
for (int i = 0; i < BME680_CFG_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
Wire.beginTransmission(addr);
writeBuffer[0] = BME680_CONTROL_RH_REG;
writeBuffer[1] = BME680_CONTROL_RH;
for (int i = 0; i < BME680_CFG_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
Wire.beginTransmission(addr);
writeBuffer[0] = BME680_CONTROL_M_REG;
writeBuffer[1] = BME680_CONTROL_M;
for (int i = 0; i < BME680_CFG_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
}
if (type == DHT1X ) {
//do nothing
}
if ((type == CC2D ) | (type == HIH7X)) {
//do nothing
}
if (type == AHT1X) {
Wire.beginTransmission(addr);
Wire.write(AHT1X_RESET);
Wire.endTransmission();
delay(AHT1X_RESET_DURATION);
Wire.beginTransmission(addr);
writeBuffer[0] = AHT1X_INIT;
writeBuffer[1] = AHT1X_INIT_DATA0;
writeBuffer[2] = AHT1X_INIT_DATA1;
for (int i = 0; i < AHT1X_CMD_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
}
}
void get_humidity ()
{
uint16_t result = 0;
clean_buffers();
if ((type == SHT2X) | (type == SI70XX) | (type == HTU2X)) {
Wire.beginTransmission(addr);
Wire.write(SHT2X_READ_RH);
Wire.endTransmission();
delay(SHT2X_RH_MEASUREMENT_DELAY);
Wire.requestFrom((uint8_t)addr, (uint8_t)SHT2X_DATA_SIZE);
timeout = millis() + DEFAULT_TIMEOUT;
while ( millis() < timeout) {
if (Wire.available() < SHT2X_DATA_SIZE) {
delay(SHT2X_RH_MEASUREMENT_DELAY / 4);
} else {
for (int i = 0; i < SHT2X_DATA_SIZE; i++) {
readBuffer[i] = Wire.read();
}
result = (readBuffer[0] << 8) + readBuffer[1];
result &= ~0x0003;
hum = (float)result;
hum *= 125;
hum /= 65536;
hum -= 6;
break;
}
}
}
if ((type == SHT3X) | (type == SHT8X)) {
writeBuffer[0] = SHT3X_CLOCK_STRETCH;
writeBuffer[1] = SHT3X_HRES_READ;
Wire.beginTransmission(addr);
for (int i = 0; i < SHT3X_CMD_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
delay(SHT3X_MEASUREMENT_DELAY);
Wire.requestFrom((uint8_t)addr, (uint8_t)SHT3X_DATA_SIZE);
timeout = millis() + DEFAULT_TIMEOUT;
while ( millis() < timeout) {
if (Wire.available() < SHT3X_DATA_SIZE) {
delay(SHT3X_MEASUREMENT_DELAY);
} else {
for (int i = 0; i < SHT3X_DATA_SIZE; i++) {
readBuffer[i] = Wire.read();
}
result = (readBuffer[3] << 8) + readBuffer[4];
hum = (float)result;
hum *= 100;
hum /= 65535;
break;
}
}
}
if (type == SHTCX) {
writeBuffer[0] = SHTCX_READ_H1;
writeBuffer[1] = SHTCX_READ_H2;
Wire.beginTransmission(addr);
for (int i = 0; i < SHTCX_CMD_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
delay(SHTCX_MEASUREMENT_DELAY);
Wire.requestFrom((uint8_t)addr, (uint8_t)SHTCX_DATA_SIZE);
timeout = millis() + DEFAULT_TIMEOUT;
while ( millis() < timeout) {
if (Wire.available() < SHTCX_DATA_SIZE) {
delay(SHTCX_MEASUREMENT_DELAY / 4);
} else {
for (int i = 0; i < SHTCX_DATA_SIZE; i++) {
readBuffer[i] = Wire.read();
}
result = (readBuffer[0] << 8) + readBuffer[1];
hum = (float)result;
hum *= 100;
hum /= 65535;
break;
}
}
}
if (type == HDC1X) {
Wire.beginTransmission(addr);
Wire.write(HDC1X_READ_RH);
Wire.endTransmission();
delay(HDC1X_MEASUREMENT_DELAY);
Wire.requestFrom((uint8_t)addr, (uint8_t)HDC1X_DATA_SIZE);
timeout = millis() + DEFAULT_TIMEOUT;
while ( millis() < timeout) {
if (Wire.available() < HDC1X_DATA_SIZE) {
delay(HDC1X_MEASUREMENT_DELAY);
} else {
for (int i = 0; i < HDC1X_DATA_SIZE; i++) {
readBuffer[i] = Wire.read();
}
result = (readBuffer[0] << 8) + readBuffer[1];
result &= ~0x03;
hum = (float)result;
hum *= 100;
hum /= 65536;
break;
}
}
}
if (type == HDC2X) {
Wire.beginTransmission(addr);
writeBuffer[0] = HDC2X_CONFIG_REG;
writeBuffer[1] = HDC2X_CONFIG_DATA;
for (int i = 0; i < HDC2X_CONFIG_CMD_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
delay(HDC2X_RESET_DURATION);
Wire.beginTransmission(addr);
Wire.write(HDC2X_READ_RH);
Wire.endTransmission();
delay(HDC2X_MEASUREMENT_DELAY);
Wire.requestFrom((uint8_t)addr, (uint8_t)HDC2X_DATA_SIZE);
timeout = millis() + DEFAULT_TIMEOUT;
while ( millis() < timeout) {
if (Wire.available() < HDC2X_DATA_SIZE) {
delay(HDC2X_MEASUREMENT_DELAY);
} else {
for (int i = 0; i < HDC2X_DATA_SIZE; i++) {
readBuffer[i] = Wire.read();
}
result = (readBuffer[1] << 8) + readBuffer[0];
result &= ~0x03;
hum = (float)result;
hum *= 100;
hum /= 65536;
break;
}
}
}
if (type == BME280 ) {
uint8_t h1, h3;
int16_t h2, h4, h5, result;
int8_t h6;
uint32_t xresult;
clean_buffers();
Wire.beginTransmission(addr);
Wire.write(BME280_COEFF3_ADDR);
Wire.endTransmission();
Wire.requestFrom((uint8_t)addr, (uint8_t)BME280_COEFF3_SIZE);
timeout = millis() + (DEFAULT_TIMEOUT / 2);
while ( millis() < timeout) {
if (Wire.available() < BME280_COEFF3_SIZE) {
delay(BME280_MEASUREMENT_DELAY / 4);
} else {
for (int i = 0; i < BME280_COEFF3_SIZE; i++) {
readBuffer[i] = Wire.read();
}
h1 = (uint8_t) readBuffer[BME280_H1];
break;
}
}
Wire.beginTransmission(addr);
Wire.write(BME280_COEFF2_ADDR);
Wire.endTransmission();
Wire.requestFrom((uint8_t)addr, (uint8_t)BME280_COEFF2_SIZE);
timeout = millis() + (DEFAULT_TIMEOUT / 2);
while ( millis() < timeout) {
if (Wire.available() < BME280_COEFF2_SIZE) {
delay(BME280_MEASUREMENT_DELAY / 4);
} else {
for (int i = 0; i < BME280_COEFF2_SIZE; i++) {
readBuffer[i] = Wire.read();
}
h2 = (uint16_t) (((uint16_t) readBuffer[BME280_H2_MSB] << 8) | (uint16_t)(readBuffer[BME280_H2_LSB]));
h3 = (uint8_t) readBuffer[BME280_H3];
h4 = (int16_t) (((uint16_t) readBuffer[BME280_H4_MSB] << 4) | ((uint16_t)(readBuffer[BME280_H4_LSB]) & 0x0F));
h5 = (int16_t) (((uint16_t) readBuffer[BME280_H5_MSB] << 4) | ((uint16_t)(readBuffer[BME280_H5_LSB]) >> 4));
h6 = (int8_t) readBuffer[BME280_H6];
break;
}
}
clean_buffers();
Wire.endTransmission();
Wire.beginTransmission(addr);
Wire.write(BME280_READ_RH);
Wire.endTransmission();
delay(BME280_MEASUREMENT_DELAY);
Wire.requestFrom((uint8_t)addr, (uint8_t)BME280_DATA_SIZE);
timeout = millis() + DEFAULT_TIMEOUT;
while ( millis() < timeout) {
if (Wire.available() < BME280_DATA_SIZE) {
delay(BME280_MEASUREMENT_DELAY / 4);
} else {
for (int i = 0; i < BME280_DATA_SIZE; i++) {
readBuffer[i] = Wire.read();
}
xresult = (uint16_t)((readBuffer[0] << 8) | readBuffer[1]);
int32_t var32;
var32 = (temp_comp_280 - ((int32_t)76800));
var32 = (((((xresult << 14) - (((int32_t)h4) << 20) -
(((int32_t)h5) * var32)) + ((int32_t)16384)) >> 15) *
(((((((var32 * ((int32_t)h6)) >> 10) *
(((var32 * ((int32_t)h3)) >> 11) + ((int32_t)32768))) >> 10) +
((int32_t)2097152)) * ((int32_t)h2) + 8192) >> 14));
var32 = (var32 - (((((var32 >> 15) * (var32 >> 15)) >> 7) *
((int32_t)h1)) >> 4));
hum = (float)(var32 >> 12);
hum /= 1024;
break;
}
}
}
if (type == BME680 ) {
uint16_t h1, h2, result;
int8_t h3, h4, h5, h7 = 1;
uint8_t h6 = 1;
clean_buffers();
Wire.beginTransmission(addr);
Wire.write(BME680_COEFF2_ADDR);
Wire.endTransmission();
Wire.requestFrom((uint8_t)addr, (uint8_t)BME680_COEFF2_SIZE);
timeout = millis() + (DEFAULT_TIMEOUT / 2);
while ( millis() < timeout) {
if (Wire.available() < BME680_COEFF2_SIZE) {
delay(BME680_MEASUREMENT_DELAY / 4);
} else {
for (int i = 0; i < BME680_COEFF2_SIZE; i++) {
readBuffer[i] = Wire.read();
}
h1 = (uint16_t) (((uint16_t) readBuffer[BME680_H1_MSB] << 4) | ((uint16_t)(readBuffer[BME680_H1_LSB]) & 0x0F));
h2 = (uint16_t) (((uint16_t) readBuffer[BME680_H2_MSB] << 4) | ((uint16_t)(readBuffer[BME680_H2_LSB]) >> 4));
h3 = (int8_t) readBuffer[BME680_H3];
h4 = (int8_t) readBuffer[BME680_H4];
h5 = (int8_t) readBuffer[BME680_H5];
h6 = (uint8_t) readBuffer[BME680_H6];
h7 = (int8_t) readBuffer[BME680_H7];
break;
}
}
clean_buffers();
Wire.beginTransmission(addr);
writeBuffer[0] = BME680_CONTROL_M_REG;
writeBuffer[1] = BME680_CONTROL_M_ON;
for (int i = 0; i < BME680_CFG_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
Wire.beginTransmission(addr);
Wire.write(BME680_READ_ALL);
Wire.endTransmission();
delay(BME680_MEASUREMENT_DELAY);
Wire.requestFrom((uint8_t)addr, (uint8_t)BME680_READ_ALL_SIZE);
timeout = millis() + DEFAULT_TIMEOUT;
while ( millis() < timeout) {
if (Wire.available() < BME680_READ_ALL_SIZE) {
delay(BME680_MEASUREMENT_DELAY);
} else {
for (int i = 0; i < BME680_READ_ALL_SIZE; i++) {
readBuffer[i] = Wire.read();
}
result = (uint16_t) (((uint32_t) readBuffer[8] * 256) | (uint32_t) readBuffer[9]);
int32_t var1, var2, var3, var4, var5, var6, temp_scaled, calc_hum;
temp_scaled = (((int32_t) temp_comp_680 * 5) + 128) >> 8;
var1 = (int32_t) (result - ((int32_t) ((int32_t) h1 * 16)))
- (((temp_scaled * (int32_t) h3) / ((int32_t) 100)) >> 1);
var2 = ((int32_t) h2
* (((temp_scaled * (int32_t) h4) / ((int32_t) 100))
+ (((temp_scaled * ((temp_scaled * (int32_t) h5) / ((int32_t) 100))) >> 6)
/ ((int32_t) 100)) + (int32_t) (1 << 14))) >> 10;
var3 = var1 * var2;
var4 = (int32_t) h6 << 7;
var4 = ((var4) + ((temp_scaled * (int32_t) h7) / ((int32_t) 100))) >> 4;
var5 = ((var3 >> 14) * (var3 >> 14)) >> 10;
var6 = (var4 * var5) >> 1;
calc_hum = (((var3 + var6) >> 10) * ((int32_t) 1000)) >> 12;
hum = (float)calc_hum;
hum /= 1000;
break;
}
}
}
if (type == DHT1X ) {
Wire.beginTransmission(addr);
Wire.write(DHT12_READ_RH);
Wire.endTransmission();
delay(DHT12_MEASUREMENT_DELAY);
Wire.requestFrom((uint8_t)addr, (uint8_t)DHT12_DATA_SIZE);
timeout = millis() + DEFAULT_TIMEOUT;
while ( millis() < timeout) {
if (Wire.available() < DHT12_DATA_SIZE) {
delay(DHT12_MEASUREMENT_DELAY / 4);
} else {
for (int i = 0; i < DHT12_DATA_SIZE; i++) {
readBuffer[i] = Wire.read();
}
hum = (readBuffer[0] + (float) readBuffer[1] / 10);
break;
}
}
}
if (type == AHT1X ) {
uint32_t xresult;
Wire.beginTransmission(addr);
writeBuffer[0] = AHT1X_READ;
writeBuffer[1] = AHT1X_READ_DATA0;
writeBuffer[2] = AHT1X_READ_DATA1;
for (int i = 0; i < AHT1X_CMD_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
delay(AHT1X_RH_MEASUREMENT_DELAY);
Wire.requestFrom((uint8_t)addr, (uint8_t)AHT1X_DATA_SIZE);
timeout = millis() + DEFAULT_TIMEOUT;
while ( millis() < timeout) {
if (Wire.available() < AHT1X_DATA_SIZE) {
delay(AHT1X_RH_MEASUREMENT_DELAY / 4);
} else {
for (int i = 0; i < AHT1X_DATA_SIZE; i++) {
readBuffer[i] = Wire.read();
}
xresult = (((uint32_t)readBuffer[1] << 16) | ((uint32_t)readBuffer[2] << 8) | (uint32_t)readBuffer[3]) >> 4;
hum = (float)xresult;
hum *= 100;
hum /= 1048576;
}
}
}
if (type == AM2320 ) {
uint16_t xresult;
//Wake up
Wire.beginTransmission(addr);
Wire.write(0x00);
Wire.endTransmission();
delay(2);
Wire.beginTransmission(addr);
writeBuffer[0] = AM2320_READ;
writeBuffer[1] = AM2320_READ_H;
writeBuffer[2] = AM2320_DATA_SIZE;
for (int i = 0; i < AM2320_CMD_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
delay(AM2320_RH_MEASUREMENT_DELAY);
Wire.requestFrom((uint8_t)addr, (uint8_t)AM2320_DATA_SIZE);
timeout = millis() + DEFAULT_TIMEOUT;
while ( millis() < timeout) {
if (Wire.available() < AM2320_DATA_SIZE) {
delay(AM2320_RH_MEASUREMENT_DELAY / 4);
} else {
for (int i = 0; i < AM2320_DATA_SIZE; i++) {
readBuffer[i] = Wire.read();
}
xresult = ((uint16_t)readBuffer[2] << 8) + readBuffer[3] ;
hum = (float)xresult;
hum /= 10;
}
}
}
if ((type == CC2D ) | (type == HIH7X)) {
uint32_t xresult;
Wire.beginTransmission(addr);
writeBuffer[0] = CC2DX_DATA_FETCH;
for (int i = 0; i < CC2DX_CMD_SIZE; i++) {
Wire.write(writeBuffer[i]);
}
Wire.endTransmission();
delay(CC2DX_MEASUREMENT_DELAY);
Wire.requestFrom((uint8_t)addr, (uint8_t)CC2DX_DATA_SIZE);
timeout = millis() + DEFAULT_TIMEOUT;
while ( millis() < timeout) {
if (Wire.available() < CC2DX_DATA_SIZE) {
delay(CC2DX_MEASUREMENT_DELAY / 4);
} else {
for (int i = 0; i < CC2DX_DATA_SIZE; i++) {
readBuffer[i] = Wire.read();
}
xresult = (((uint32_t)(readBuffer[0] & 0x3F) << 8) | ((uint32_t)readBuffer[1]));
hum = (float)xresult;
hum *= 100;
hum /= 16384;
}
}
}
}
void get_temperature () {