From 4bfbbb3484cbc8ffccb90609e59a04796f618470 Mon Sep 17 00:00:00 2001 From: Fede85 Date: Wed, 26 Jun 2013 19:13:04 +0200 Subject: Ethernet, SD and LiquidCrystal to the new library format --- .../BarometricPressureWebServer.ino | 222 --------------------- 1 file changed, 222 deletions(-) delete mode 100644 libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino (limited to 'libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino') diff --git a/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino b/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino deleted file mode 100644 index bfbcb6d..0000000 --- a/libraries/Ethernet/examples/BarometricPressureWebServer/BarometricPressureWebServer.ino +++ /dev/null @@ -1,222 +0,0 @@ -/* - SCP1000 Barometric Pressure Sensor Display - - Serves the output of a Barometric Pressure Sensor as a web page. - Uses the SPI library. For details on the sensor, see: - http://www.sparkfun.com/commerce/product_info.php?products_id=8161 - http://www.vti.fi/en/support/obsolete_products/pressure_sensors/ - - This sketch adapted from Nathan Seidle's SCP1000 example for PIC: - http://www.sparkfun.com/datasheets/Sensors/SCP1000-Testing.zip - - Circuit: - SCP1000 sensor attached to pins 6,7, and 11 - 13: - DRDY: pin 6 - CSB: pin 7 - MOSI: pin 11 - MISO: pin 12 - SCK: pin 13 - - created 31 July 2010 - by Tom Igoe - */ - -#include -// the sensor communicates using SPI, so include the library: -#include - - -// assign a MAC address for the ethernet controller. -// fill in your address here: -byte mac[] = { - 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED}; -// assign an IP address for the controller: -IPAddress ip(192,168,1,20); -IPAddress gateway(192,168,1,1); -IPAddress subnet(255, 255, 255, 0); - - -// Initialize the Ethernet server library -// with the IP address and port you want to use -// (port 80 is default for HTTP): -EthernetServer server(80); - - -//Sensor's memory register addresses: -const int PRESSURE = 0x1F; //3 most significant bits of pressure -const int PRESSURE_LSB = 0x20; //16 least significant bits of pressure -const int TEMPERATURE = 0x21; //16 bit temperature reading - -// pins used for the connection with the sensor -// the others you need are controlled by the SPI library): -const int dataReadyPin = 6; -const int chipSelectPin = 7; - -float temperature = 0.0; -long pressure = 0; -long lastReadingTime = 0; - -void setup() { - // start the SPI library: - SPI.begin(); - - // start the Ethernet connection and the server: - Ethernet.begin(mac, ip); - server.begin(); - - // initalize the data ready and chip select pins: - pinMode(dataReadyPin, INPUT); - pinMode(chipSelectPin, OUTPUT); - - Serial.begin(9600); - - //Configure SCP1000 for low noise configuration: - writeRegister(0x02, 0x2D); - writeRegister(0x01, 0x03); - writeRegister(0x03, 0x02); - - // give the sensor and Ethernet shield time to set up: - delay(1000); - - //Set the sensor to high resolution mode tp start readings: - writeRegister(0x03, 0x0A); - -} - -void loop() { - // check for a reading no more than once a second. - if (millis() - lastReadingTime > 1000){ - // if there's a reading ready, read it: - // don't do anything until the data ready pin is high: - if (digitalRead(dataReadyPin) == HIGH) { - getData(); - // timestamp the last time you got a reading: - lastReadingTime = millis(); - } - } - - // listen for incoming Ethernet connections: - listenForEthernetClients(); -} - - -void getData() { - Serial.println("Getting reading"); - //Read the temperature data - int tempData = readRegister(0x21, 2); - - // convert the temperature to celsius and display it: - temperature = (float)tempData / 20.0; - - //Read the pressure data highest 3 bits: - byte pressureDataHigh = readRegister(0x1F, 1); - pressureDataHigh &= 0b00000111; //you only needs bits 2 to 0 - - //Read the pressure data lower 16 bits: - unsigned int pressureDataLow = readRegister(0x20, 2); - //combine the two parts into one 19-bit number: - pressure = ((pressureDataHigh << 16) | pressureDataLow)/4; - - Serial.print("Temperature: "); - Serial.print(temperature); - Serial.println(" degrees C"); - Serial.print("Pressure: " + String(pressure)); - Serial.println(" Pa"); -} - -void listenForEthernetClients() { - // listen for incoming clients - EthernetClient client = server.available(); - if (client) { - Serial.println("Got a client"); - // an http request ends with a blank line - boolean currentLineIsBlank = true; - while (client.connected()) { - if (client.available()) { - char c = client.read(); - // if you've gotten to the end of the line (received a newline - // character) and the line is blank, the http request has ended, - // so you can send a reply - if (c == '\n' && currentLineIsBlank) { - // send a standard http response header - client.println("HTTP/1.1 200 OK"); - client.println("Content-Type: text/html"); - client.println(); - // print the current readings, in HTML format: - client.print("Temperature: "); - client.print(temperature); - client.print(" degrees C"); - client.println("
"); - client.print("Pressure: " + String(pressure)); - client.print(" Pa"); - client.println("
"); - break; - } - if (c == '\n') { - // you're starting a new line - currentLineIsBlank = true; - } - else if (c != '\r') { - // you've gotten a character on the current line - currentLineIsBlank = false; - } - } - } - // give the web browser time to receive the data - delay(1); - // close the connection: - client.stop(); - } -} - - -//Send a write command to SCP1000 -void writeRegister(byte registerName, byte registerValue) { - // SCP1000 expects the register name in the upper 6 bits - // of the byte: - registerName <<= 2; - // command (read or write) goes in the lower two bits: - registerName |= 0b00000010; //Write command - - // take the chip select low to select the device: - digitalWrite(chipSelectPin, LOW); - - SPI.transfer(registerName); //Send register location - SPI.transfer(registerValue); //Send value to record into register - - // take the chip select high to de-select: - digitalWrite(chipSelectPin, HIGH); -} - - -//Read register from the SCP1000: -unsigned int readRegister(byte registerName, int numBytes) { - byte inByte = 0; // incoming from the SPI read - unsigned int result = 0; // result to return - - // SCP1000 expects the register name in the upper 6 bits - // of the byte: - registerName <<= 2; - // command (read or write) goes in the lower two bits: - registerName &= 0b11111100; //Read command - - // take the chip select low to select the device: - digitalWrite(chipSelectPin, LOW); - // send the device the register you want to read: - int command = SPI.transfer(registerName); - // send a value of 0 to read the first byte returned: - inByte = SPI.transfer(0x00); - - result = inByte; - // if there's more than one byte returned, - // shift the first byte then get the second byte: - if (numBytes > 1){ - result = inByte << 8; - inByte = SPI.transfer(0x00); - result = result |inByte; - } - // take the chip select high to de-select: - digitalWrite(chipSelectPin, HIGH); - // return the result: - return(result); -} -- cgit v1.2.3-18-g5258