MS8607 datasheet(9/4 Pages) HUMIREL

9 / 4 page

MEAS MS8607 DCS FOR ZedBoard

Digital Pressure and Humudity Sensor

SENSOR SOLUTIONS /// MEAS MS8607 DCS DEVELOPMENT KIT

07/2016

Page 9

printf("

(3)

- 1024\n");

printf("

(4)

- 2048\n");

printf("

(5)

- 4096\n");

printf("

(6)

- 8192\n");

// Get keyboard input ignoring keypresses that are not '1' or '2' or '3' or '4' or '5' or '6'

read(1, (char*)&key_input, 1);

while(key_input!='1' && key_input!='2' && key_input!='3' && key_input!='4' && key_input!='5' && key_input!='6'){

read(1, (char*)&key_input, 1);

}

if(key_input == '1'){

// If the '1' key is pressed

// Set OSR to 256

ms8607_pressure_res = ms8607_pressure_resolution_osr_256;

printf("\nSet MS8607 Over-Sampling Rate to 256\n");

}else if(key_input == '2'){

// If the '2' key is pressed

// Set OSR to 512

ms8607_pressure_res = ms8607_pressure_resolution_osr_512;

printf("\nSet MS8607 Over-Sampling Rate to 512\n");

}else if(key_input == '3'){

// If the '3' key is pressed

// Set OSR to 1024

ms8607_pressure_res = ms8607_pressure_resolution_osr_1024;

printf("\nSet MS8607 Over-Sampling Rate to 1024\n");

}else if(key_input == '4'){

// If the '4' key is pressed

// Set OSR to 2048

ms8607_pressure_res = ms8607_pressure_resolution_osr_2048;

printf("\nSet MS8607 Over-Sampling Rate to 2048\n");

}else if(key_input == '5'){

// If the '5' key is pressed

// Set OSR to 4096

ms8607_pressure_res = ms8607_pressure_resolution_osr_4096;

printf("\nSet MS8607 Over-Sampling Rate to 4096\n");

}else if(key_input == '6'){

// If the '6' key is pressed

// Set OSR to 8192

ms8607_pressure_res = ms8607_pressure_resolution_osr_8192;

printf("\nSet MS8607 Over-Sampling Rate to 8192\n");

}

// Wait for another key press and then display the main menu again

printf("\nPress any key to continue...\n");

read(1, (char*)&key_input, 1);

ms8607_main_menu();

}else if(key_input == '5'){

// If the '5' key is pressed

if(prom_read_flag==0){

// PROM was not yet read--cannot read temperature, pressure, and humidity yet

printf("PROM Coefficients have not yet been read. Cannot complete temperature/pressure read.\n");

}else{

// PROM has been read--continue on to read temperature, pressure, and humidity

// Read Temperature, Pressure, and Relative Humidity once

printf("\n");

printf("Reading Temperature, Pressure, and Relative Humidity...\n");

stat = ms8607_read_temperature_pressure_humidity(&temperature, &pressure, &relative_humidity);

// Display the status returned from the read_temperature_pressure_humidity

// operation and display the temperature, pressure, and humidity if successful

printf("Temperature, Pressure, and Relative Humidity Read Complete with status: ");

if(stat==ms8607_status_ok){

printf("Ok.\n");

printf("Temperature : %5.2f%cC, \tPressure : %5.1fhPa, \tRelative Humidity :

%4.1f%%",temperature,248,pressure,relative_humidity);

}else if(stat==ms8607_status_i2c_transfer_error){

printf("Transfer Error.");

}else if(stat==ms8607_status_crc_error){

printf("CRC Error.");

}

printf("\n");

}

// Wait for another key press and then display the main menu again

printf("\nPress any key to continue...\n");

read(1, (char*)&key_input, 1);

ms8607_main_menu();

}else if(key_input == '6'){

// If the '6' key is pressed

if(prom_read_flag==0){

// PROM was not yet read--cannot read temperature, pressure, and humidity

printf("PROM Coefficients have not yet been read. Cannot complete temperature/pressure/humidity read.\n");

}else{

// PROM has been read--continue on to read temperature, pressure, and humidity

// Read 20 temperature and relative humidity values at ~2 per second

printf("\n");

printf("Reading 20 Temperature and Relative Humidity Values...\n");

for(i=0;i<20;i++){

stat = ms8607_read_temperature_pressure_humidity(&temperature, &pressure, &relative_humidity);

printf("%2d: ",i+1);

if(stat==ms8607_status_ok){

printf("%5.2f%cC, \t%5.1fhPa, \t%4.1f%%",temperature,248,pressure,relative_humidity);

}else if(stat==ms8607_status_i2c_transfer_error){

printf("Transfer Error.");

}else if(stat==ms8607_status_crc_error){

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