diff options
Diffstat (limited to 'libraries/SPI')
| -rw-r--r-- | libraries/SPI/SPI.cpp | 66 | ||||
| -rw-r--r-- | libraries/SPI/SPI.h | 70 | ||||
| -rw-r--r-- | libraries/SPI/examples/BarometricPressureSensor/BarometricPressureSensor.ino | 143 | ||||
| -rw-r--r-- | libraries/SPI/examples/BarometricPressureSensor/BarometricPressureSensor/BarometricPressureSensor.ino | 143 | ||||
| -rw-r--r-- | libraries/SPI/examples/DigitalPotControl/DigitalPotControl.ino | 71 | ||||
| -rw-r--r-- | libraries/SPI/keywords.txt | 36 | 
6 files changed, 0 insertions, 529 deletions
diff --git a/libraries/SPI/SPI.cpp b/libraries/SPI/SPI.cpp deleted file mode 100644 index 5e48073..0000000 --- a/libraries/SPI/SPI.cpp +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st> - * SPI Master library for arduino. - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of either the GNU General Public License version 2 - * or the GNU Lesser General Public License version 2.1, both as - * published by the Free Software Foundation. - */ - -#include "pins_arduino.h" -#include "SPI.h" - -SPIClass SPI; - -void SPIClass::begin() { - -  // Set SS to high so a connected chip will be "deselected" by default -  digitalWrite(SS, HIGH); - -  // When the SS pin is set as OUTPUT, it can be used as -  // a general purpose output port (it doesn't influence -  // SPI operations). -  pinMode(SS, OUTPUT); - -  // Warning: if the SS pin ever becomes a LOW INPUT then SPI -  // automatically switches to Slave, so the data direction of -  // the SS pin MUST be kept as OUTPUT. -  SPCR |= _BV(MSTR); -  SPCR |= _BV(SPE); - -  // Set direction register for SCK and MOSI pin. -  // MISO pin automatically overrides to INPUT. -  // By doing this AFTER enabling SPI, we avoid accidentally -  // clocking in a single bit since the lines go directly -  // from "input" to SPI control.   -  // http://code.google.com/p/arduino/issues/detail?id=888 -  pinMode(SCK, OUTPUT); -  pinMode(MOSI, OUTPUT); -} - - -void SPIClass::end() { -  SPCR &= ~_BV(SPE); -} - -void SPIClass::setBitOrder(uint8_t bitOrder) -{ -  if(bitOrder == LSBFIRST) { -    SPCR |= _BV(DORD); -  } else { -    SPCR &= ~(_BV(DORD)); -  } -} - -void SPIClass::setDataMode(uint8_t mode) -{ -  SPCR = (SPCR & ~SPI_MODE_MASK) | mode; -} - -void SPIClass::setClockDivider(uint8_t rate) -{ -  SPCR = (SPCR & ~SPI_CLOCK_MASK) | (rate & SPI_CLOCK_MASK); -  SPSR = (SPSR & ~SPI_2XCLOCK_MASK) | ((rate >> 2) & SPI_2XCLOCK_MASK); -} - diff --git a/libraries/SPI/SPI.h b/libraries/SPI/SPI.h deleted file mode 100644 index f647d5c..0000000 --- a/libraries/SPI/SPI.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st> - * SPI Master library for arduino. - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of either the GNU General Public License version 2 - * or the GNU Lesser General Public License version 2.1, both as - * published by the Free Software Foundation. - */ - -#ifndef _SPI_H_INCLUDED -#define _SPI_H_INCLUDED - -#include <stdio.h> -#include <Arduino.h> -#include <avr/pgmspace.h> - -#define SPI_CLOCK_DIV4 0x00 -#define SPI_CLOCK_DIV16 0x01 -#define SPI_CLOCK_DIV64 0x02 -#define SPI_CLOCK_DIV128 0x03 -#define SPI_CLOCK_DIV2 0x04 -#define SPI_CLOCK_DIV8 0x05 -#define SPI_CLOCK_DIV32 0x06 -//#define SPI_CLOCK_DIV64 0x07 - -#define SPI_MODE0 0x00 -#define SPI_MODE1 0x04 -#define SPI_MODE2 0x08 -#define SPI_MODE3 0x0C - -#define SPI_MODE_MASK 0x0C  // CPOL = bit 3, CPHA = bit 2 on SPCR -#define SPI_CLOCK_MASK 0x03  // SPR1 = bit 1, SPR0 = bit 0 on SPCR -#define SPI_2XCLOCK_MASK 0x01  // SPI2X = bit 0 on SPSR - -class SPIClass { -public: -  inline static byte transfer(byte _data); - -  // SPI Configuration methods - -  inline static void attachInterrupt(); -  inline static void detachInterrupt(); // Default - -  static void begin(); // Default -  static void end(); - -  static void setBitOrder(uint8_t); -  static void setDataMode(uint8_t); -  static void setClockDivider(uint8_t); -}; - -extern SPIClass SPI; - -byte SPIClass::transfer(byte _data) { -  SPDR = _data; -  while (!(SPSR & _BV(SPIF))) -    ; -  return SPDR; -} - -void SPIClass::attachInterrupt() { -  SPCR |= _BV(SPIE); -} - -void SPIClass::detachInterrupt() { -  SPCR &= ~_BV(SPIE); -} - -#endif diff --git a/libraries/SPI/examples/BarometricPressureSensor/BarometricPressureSensor.ino b/libraries/SPI/examples/BarometricPressureSensor/BarometricPressureSensor.ino deleted file mode 100644 index 9d77a42..0000000 --- a/libraries/SPI/examples/BarometricPressureSensor/BarometricPressureSensor.ino +++ /dev/null @@ -1,143 +0,0 @@ -/* - SCP1000 Barometric Pressure Sensor Display -  - Shows the output of a Barometric Pressure Sensor on a - 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, 10 - 13: - DRDY: pin 6 - CSB: pin 7 - MOSI: pin 11 - MISO: pin 12 - SCK: pin 13 -  - created 31 July 2010 - modified 14 August 2010 - by Tom Igoe - */ - -// the sensor communicates using SPI, so include the library: -#include <SPI.h> - -//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 -const byte READ = 0b11111100;     // SCP1000's read command -const byte WRITE = 0b00000010;   // SCP1000's write command - -// pins used for the connection with the sensor -// the other you need are controlled by the SPI library): -const int dataReadyPin = 6; -const int chipSelectPin = 7; - -void setup() { -  Serial.begin(9600); - -  // start the SPI library: -  SPI.begin(); - -  // initalize the  data ready and chip select pins: -  pinMode(dataReadyPin, INPUT); -  pinMode(chipSelectPin, OUTPUT); - -  //Configure SCP1000 for low noise configuration: -  writeRegister(0x02, 0x2D); -  writeRegister(0x01, 0x03); -  writeRegister(0x03, 0x02); -  // give the sensor time to set up: -  delay(100); -} - -void loop() { -  //Select High Resolution Mode -  writeRegister(0x03, 0x0A); - -  // don't do anything until the data ready pin is high: -  if (digitalRead(dataReadyPin) == HIGH) { -    //Read the temperature data -    int tempData = readRegister(0x21, 2); - -    // convert the temperature to celsius and display it: -    float realTemp = (float)tempData / 20.0; -    Serial.print("Temp[C]="); -    Serial.print(realTemp); - - -    //Read the pressure data highest 3 bits: -    byte  pressure_data_high = readRegister(0x1F, 1); -    pressure_data_high &= 0b00000111; //you only needs bits 2 to 0 - -    //Read the pressure data lower 16 bits: -    unsigned int pressure_data_low = readRegister(0x20, 2); -    //combine the two parts into one 19-bit number: -    long pressure = ((pressure_data_high << 16) | pressure_data_low)/4; - -    // display the temperature: -    Serial.println("\tPressure [Pa]=" + String(pressure)); -  } -} - -//Read from or write to register from the SCP1000: -unsigned int readRegister(byte thisRegister, int bytesToRead ) { -  byte inByte = 0;           // incoming byte from the SPI -  unsigned int result = 0;   // result to return -  Serial.print(thisRegister, BIN); -  Serial.print("\t"); -  // SCP1000 expects the register name in the upper 6 bits -  // of the byte. So shift the bits left by two bits: -  thisRegister = thisRegister << 2; -  // now combine the address and the command into one byte -  byte dataToSend = thisRegister & READ; -  Serial.println(thisRegister, BIN); -  // take the chip select low to select the device: -  digitalWrite(chipSelectPin, LOW); -  // send the device the register you want to read: -  SPI.transfer(dataToSend); -  // send a value of 0 to read the first byte returned: -  result = SPI.transfer(0x00); -  // decrement the number of bytes left to read: -  bytesToRead--; -  // if you still have another byte to read: -  if (bytesToRead > 0) { -    // shift the first byte left, then get the second byte: -    result = result << 8; -    inByte = SPI.transfer(0x00); -    // combine the byte you just got with the previous one: -    result = result | inByte; -    // decrement the number of bytes left to read: -    bytesToRead--; -  } -  // take the chip select high to de-select: -  digitalWrite(chipSelectPin, HIGH); -  // return the result: -  return(result); -} - - -//Sends a write command to SCP1000 - -void writeRegister(byte thisRegister, byte thisValue) { - -  // SCP1000 expects the register address in the upper 6 bits -  // of the byte. So shift the bits left by two bits: -  thisRegister = thisRegister << 2; -  // now combine the register address and the command into one byte: -  byte dataToSend = thisRegister | WRITE; - -  // take the chip select low to select the device: -  digitalWrite(chipSelectPin, LOW); - -  SPI.transfer(dataToSend); //Send register location -  SPI.transfer(thisValue);  //Send value to record into register - -  // take the chip select high to de-select: -  digitalWrite(chipSelectPin, HIGH); -} - diff --git a/libraries/SPI/examples/BarometricPressureSensor/BarometricPressureSensor/BarometricPressureSensor.ino b/libraries/SPI/examples/BarometricPressureSensor/BarometricPressureSensor/BarometricPressureSensor.ino deleted file mode 100644 index 9c9c9b6..0000000 --- a/libraries/SPI/examples/BarometricPressureSensor/BarometricPressureSensor/BarometricPressureSensor.ino +++ /dev/null @@ -1,143 +0,0 @@ -/* -  SCP1000 Barometric Pressure Sensor Display -  - Shows the output of a Barometric Pressure Sensor on a - 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, 10 - 13: - DRDY: pin 6 - CSB: pin 7 - MOSI: pin 11 - MISO: pin 12 - SCK: pin 13 -  - created 31 July 2010 - modified 14 August 2010 - by Tom Igoe - */ - -// the sensor communicates using SPI, so include the library: -#include <SPI.h> - -//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 -cont byte READ = 0b00000000;     // SCP1000's read command -const byte WRITE = 0b00000010;   // SCP1000's write command -// pins used for the connection with the sensor -// the other you need are controlled by the SPI library): -const int dataReadyPin = 6;  -const int chipSelectPin = 7; - -void setup() { -  Serial.begin(9600); - -  // start the SPI library: -  SPI.begin(); - -  // initalize the  data ready and chip select pins: -  pinMode(dataReadyPin, INPUT); -  pinMode(chipSelectPin, OUTPUT); - -  //Configure SCP1000 for low noise configuration: -  writeRegister(0x02, 0x2D); -  writeRegister(0x01, 0x03); -  writeRegister(0x03, 0x02); -  // give the sensor time to set up: -  delay(100); -} - -void loop() { -  //Select High Resolution Mode -  writeRegister(0x03, 0x0A); - -  // don't do anything until the data ready pin is high: -  if (digitalRead(dataReadyPin) == HIGH) { -    //Read the temperature data -    int tempData = readRegister(0x21, 2); - -    // convert the temperature to celsius and display it: -    float realTemp = (float)tempData / 20.0; -    Serial.print("Temp[C]="); -    Serial.print(realTemp); - - -    //Read the pressure data highest 3 bits: -    byte  pressure_data_high = readRegister(0x1F, 1);    -    pressure_data_high &= 0b00000111; //you only needs bits 2 to 0 - -    //Read the pressure data lower 16 bits: -    unsigned int pressure_data_low = readRegister(0x20, 2);     -    //combine the two parts into one 19-bit number: -    long pressure = ((pressure_data_high << 16) | pressure_data_low)/4; - -    // display the temperature: -    Serial.println("\tPressure [Pa]=" + String(pressure)); -  } -} - -//Read from or write to register from the SCP1000: -unsigned int readRegister(byte thisRegister, int bytesToRead ) { -  byte inByte = 0;           // incoming byte from the SPI -  unsigned int result = 0;   // result to return  - -  // SCP1000 expects the register name in the upper 6 bits -  // of the byte. So shift the bits left by two bits: -  thisRegister = thisRegister << 2; -  // now combine the address and the command into one byte -  dataToSend = thisRegister & READ; - -  // take the chip select low to select the device: -  digitalWrite(chipSelectPin, LOW);  -  // send the device the register you want to read: -  SPI.transfer(dataToSend);  -  // send a value of 0 to read the first byte returned: -  result = SPI.transfer(0x00);  -  // decrement the number of bytes left to read: -  bytesToRead--; -  // if you still have another byte to read: -  if (bytesToRead > 0) { -    // shift the first byte left, then get the second byte:  -    result = result << 8; -    inByte = SPI.transfer(0x00);  -    // combine the byte you just got with the previous one: -    result = result | inByte; -    // decrement the number of bytes left to read: -    bytesToRead--; -  } -  // take the chip select high to de-select: -  digitalWrite(chipSelectPin, HIGH);  -  // return the result: -  return(result); -} - - -//Sends a write command to SCP1000 - -void writeRegister(byte thisRegister, byte thisValue) { - -  // SCP1000 expects the register address in the upper 6 bits -  // of the byte. So shift the bits left by two bits: -  thisRegister = thisRegister << 2; -  // now combine the register address and the command into one byte: -  dataToSend = thisRegister | WRITE; - -  // take the chip select low to select the device: -  digitalWrite(chipSelectPin, LOW);  - -  SPI.transfer(dataToSend); //Send register location -  SPI.transfer(thisValue);  //Send value to record into register - -  // take the chip select high to de-select: -  digitalWrite(chipSelectPin, HIGH);  -} - - - diff --git a/libraries/SPI/examples/DigitalPotControl/DigitalPotControl.ino b/libraries/SPI/examples/DigitalPotControl/DigitalPotControl.ino deleted file mode 100644 index adf93a2..0000000 --- a/libraries/SPI/examples/DigitalPotControl/DigitalPotControl.ino +++ /dev/null @@ -1,71 +0,0 @@ -/* -  Digital Pot Control -   -  This example controls an Analog Devices AD5206 digital potentiometer. -  The AD5206 has 6 potentiometer channels. Each channel's pins are labeled -  A - connect this to voltage -  W - this is the pot's wiper, which changes when you set it -  B - connect this to ground. -  - The AD5206 is SPI-compatible,and to command it, you send two bytes,  - one with the channel number (0 - 5) and one with the resistance value for the - channel (0 - 255).   -  - The circuit: -  * All A pins  of AD5206 connected to +5V -  * All B pins of AD5206 connected to ground -  * An LED and a 220-ohm resisor in series connected from each W pin to ground -  * CS - to digital pin 10  (SS pin) -  * SDI - to digital pin 11 (MOSI pin) -  * CLK - to digital pin 13 (SCK pin) -  - created 10 Aug 2010  - by Tom Igoe -  - Thanks to Heather Dewey-Hagborg for the original tutorial, 2005 -  -*/ - - -// inslude the SPI library: -#include <SPI.h> - - -// set pin 10 as the slave select for the digital pot: -const int slaveSelectPin = 10; - -void setup() { -  // set the slaveSelectPin as an output: -  pinMode (slaveSelectPin, OUTPUT); -  // initialize SPI: -  SPI.begin();  -} - -void loop() { -  // go through the six channels of the digital pot: -  for (int channel = 0; channel < 6; channel++) {  -    // change the resistance on this channel from min to max: -    for (int level = 0; level < 255; level++) { -      digitalPotWrite(channel, level); -      delay(10); -    } -    // wait a second at the top: -    delay(100); -    // change the resistance on this channel from max to min: -    for (int level = 0; level < 255; level++) { -      digitalPotWrite(channel, 255 - level); -      delay(10); -    } -  } - -} - -void digitalPotWrite(int address, int value) { -  // take the SS pin low to select the chip: -  digitalWrite(slaveSelectPin,LOW); -  //  send in the address and value via SPI: -  SPI.transfer(address); -  SPI.transfer(value); -  // take the SS pin high to de-select the chip: -  digitalWrite(slaveSelectPin,HIGH);  -} diff --git a/libraries/SPI/keywords.txt b/libraries/SPI/keywords.txt deleted file mode 100644 index fa76165..0000000 --- a/libraries/SPI/keywords.txt +++ /dev/null @@ -1,36 +0,0 @@ -####################################### -# Syntax Coloring Map SPI -####################################### - -####################################### -# Datatypes (KEYWORD1) -####################################### - -SPI	KEYWORD1 - -####################################### -# Methods and Functions (KEYWORD2) -####################################### -begin	KEYWORD2 -end	KEYWORD2 -transfer	KEYWORD2 -setBitOrder	KEYWORD2 -setDataMode	KEYWORD2 -setClockDivider	KEYWORD2 - - -####################################### -# Constants (LITERAL1) -####################################### -SPI_CLOCK_DIV4	LITERAL1 -SPI_CLOCK_DIV16	LITERAL1 -SPI_CLOCK_DIV64	LITERAL1 -SPI_CLOCK_DIV128	LITERAL1 -SPI_CLOCK_DIV2	LITERAL1 -SPI_CLOCK_DIV8	LITERAL1 -SPI_CLOCK_DIV32	LITERAL1 -SPI_CLOCK_DIV64	LITERAL1 -SPI_MODE0	LITERAL1 -SPI_MODE1	LITERAL1 -SPI_MODE2	LITERAL1 -SPI_MODE3	LITERAL1
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