diff options
Diffstat (limited to 'Resources/OpenPLCv2/firmware/ADC.test.arduino')
9 files changed, 0 insertions, 538 deletions
diff --git a/Resources/OpenPLCv2/firmware/ADC.test.arduino/adc.ref b/Resources/OpenPLCv2/firmware/ADC.test.arduino/adc.ref deleted file mode 100644 index 8cb2251..0000000 --- a/Resources/OpenPLCv2/firmware/ADC.test.arduino/adc.ref +++ /dev/null @@ -1,2 +0,0 @@ -One - https://forum.arduino.cc/index.php?topic=18827.0 -Two - https://forum.arduino.cc/index.php?topic=332030.0 diff --git a/Resources/OpenPLCv2/firmware/ADC.test.arduino/one/libraries/vishnuADC.cpp b/Resources/OpenPLCv2/firmware/ADC.test.arduino/one/libraries/vishnuADC.cpp deleted file mode 100644 index 01d6931..0000000 --- a/Resources/OpenPLCv2/firmware/ADC.test.arduino/one/libraries/vishnuADC.cpp +++ /dev/null @@ -1,51 +0,0 @@ -#include "vishnuADC.h" -#include "Arduino.h" - -/** - * Constructor of the class - * @param io_pin_cs a byte indicating the pin to be use as the chip select pin (CS) - */ -ADS1118::ADS1118(uint8_t io_pin_cs) { - cs = io_pin_cs; -} - -/** - * This method initialize the SPI port and the config register - */ -void ADS1118::begin() { - pinMode(cs, OUTPUT); - digitalWrite(cs, HIGH); - SPI.begin(); - SPI.beginTransaction(SPISettings(SCLK, MSBFIRST, SPI_MODE1)); - configRegister.bits={RESERVED, VALID_CFG, PULLUP, ADC_MODE, RATE_8SPS, SINGLE_SHOT, FSR_0256, DIFF_0_1, START_NOW}; //Default values -} - -/** - * Getting the temperature in degrees celsius from the internal sensor of the ADS1118 - * @return A double (32bits) containing the temperature in degrees celsius of the internal sensor - */ -double ADS1118::getTemperature() { - uint16_t convRegister; - uint8_t dataMSB, dataLSB, configMSB, configLSB, count=0; - if(lastSensorMode==TEMP_MODE) - count=1; //Lucky you! We don't have to read twice the sensor - else - configRegister.bits.sensorMode=TEMP_MODE; //Sorry but we will have to read twice the sensor - do{ - digitalWrite(cs, LOW); - dataMSB = SPI.transfer(configRegister.byte.msb); - dataLSB = SPI.transfer(configRegister.byte.lsb); - configMSB = SPI.transfer(configRegister.byte.msb); - configLSB = SPI.transfer(configRegister.byte.lsb); - digitalWrite(cs, HIGH); - for(int i=0;i<CONV_TIME[configRegister.bits.rate];i++) //Lets wait the conversion time - delayMicroseconds(1000); - count++; - }while (count<=1); //We make two readings because the second reading is the temperature. - convRegister = ((dataMSB << 8) | (dataLSB))>>4; - if((convRegister<<2) >= 0x8000){ - convRegister=((~convRegister)>>2)+1; //Converting to right-justified and applying binary twos complement format - return (double)(convRegister*0.03125*-1); - } - return (double)convRegister*0.03125; -}
\ No newline at end of file diff --git a/Resources/OpenPLCv2/firmware/ADC.test.arduino/one/libraries/vishnuADC.h b/Resources/OpenPLCv2/firmware/ADC.test.arduino/one/libraries/vishnuADC.h deleted file mode 100644 index 2f2e7c5..0000000 --- a/Resources/OpenPLCv2/firmware/ADC.test.arduino/one/libraries/vishnuADC.h +++ /dev/null @@ -1,121 +0,0 @@ -#ifndef vishnuADC -#define vishnuADC - -#include "Arduino.h" -#include <SPI.h> - -/** -* Union representing the "config register" in 3 ways: -* bits, word (16 bits) and nibbles (4 bits) -* (See the datasheet [1] for more information) -*/ -///Union configuration register -union Config { - ///Structure of the config register of the ADS1118. (See datasheet [1]) - struct { - uint8_t reserved:1; ///< "Reserved" bit - uint8_t noOperation:2; ///< "NOP" bits - uint8_t pullUp:1; ///< "PULL_UP_EN" bit - uint8_t sensorMode:1; ///< "TS_MODE" bit - uint8_t rate:3; ///< "DR" bits - uint8_t operatingMode:1;///< "MODE" bit - uint8_t pga:3; ///< "PGA" bits - uint8_t mux:3; ///< "MUX" bits - uint8_t singleStart:1; ///< "SS" bit - } bits; - uint16_t word; ///< Representation in word (16-bits) format - struct { - uint8_t lsb; ///< Byte LSB - uint8_t msb; ///< Byte MSB - } byte; ///< Representation in bytes (8-bits) format -}; - -/** - * Class representing the ADS1118 sensor chip - * @author Alvaro Salazar <alvaro@denkitronik.com> - */ -class ADS1118 { - public: - ADS1118(uint8_t io_pin_cs); ///< Constructor - void begin(); ///< This method initialize the SPI port and the config register - double getTemperature(); ///< Getting the temperature in degrees celsius from the internal sensor of the ADS1118 - uint16_t getADCValue(uint8_t inputs);///< Getting a sample from the specified input - double getMilliVolts(uint8_t inputs);//< Getting the millivolts from the specified inputs - double getMilliVolts(); ///< Getting the millivolts from the settled inputs - void decodeConfigRegister(union Config configRegister); ///< Decoding a configRegister structure and then print it out to the Serial port - void setSamplingRate(uint8_t samplingRate);///< Setting the sampling rate specified in the config register - void setFullScaleRange(uint8_t fsr);///< Setting the full scale range in the config register - void setContinuousMode(); ///< Setting to continuous adquisition mode - void setSingleShotMode(); ///< Setting to single shot adquisition and power down mode - void disablePullup(); ///< Disabling the internal pull-up resistor of the DOUT pin - void enablePullup(); ///< Enabling the internal pull-up resistor of the DOUT pin - void setInputSelected(uint8_t input);///< Setting the inputs to be adquired in the config register. - //Input multiplexer configuration selection for bits "MUX" - //Differential inputs - const uint8_t DIFF_0_1 = 0b000; ///< Differential input: Vin=A0-A1 - const uint8_t DIFF_0_3 = 0b001; ///< Differential input: Vin=A0-A3 - const uint8_t DIFF_1_3 = 0b010; ///< Differential input: Vin=A1-A3 - const uint8_t DIFF_2_3 = 0b011; ///< Differential input: Vin=A2-A3 - //Single ended inputs - const uint8_t AIN_0 = 0b100; ///< Single ended input: Vin=A0 - const uint8_t AIN_1 = 0b101; ///< Single ended input: Vin=A1 - const uint8_t AIN_2 = 0b110; ///< Single ended input: Vin=A2 - const uint8_t AIN_3 = 0b111; ///< Single ended input: Vin=A3 - - union Config configRegister; ///< Config register - - //Bit constants - const long int SCLK = 4000000;///< ADS1118 SCLK frequency: 4000000 Hz Maximum for ADS1018 (4Mhz) - - // Used by "SS" bit - const uint8_t START_NOW = 1; ///< Start of conversion in single-shot mode - - // Used by "TS_MODE" bit - const uint8_t ADC_MODE = 0; ///< External (inputs) voltage reading mode - const uint8_t TEMP_MODE = 1; ///< Internal temperature sensor reading mode - - // Used by "MODE" bit - const uint8_t CONTINUOUS = 0; ///< Continuous conversion mode - const uint8_t SINGLE_SHOT = 1; ///< Single-shot conversion and power down mode - - // Used by "PULL_UP_EN" bit - const uint8_t PULLUP = 1; ///< Internal pull-up resistor enabled for DOUT ***DEFAULT - const uint8_t NO_PULLUP = 0; ///< Internal pull-up resistor disabled - - // Used by "NOP" bits - const uint8_t VALID_CFG = 0b01; ///< Data will be written to Config register - const uint8_t NO_VALID_CFG= 0b00; ///< Data won't be written to Config register - - // Used by "Reserved" bit - const uint8_t RESERVED = 1; ///< Its value is always 1, reserved - - /*Full scale range (FSR) selection by "PGA" bits. - [Warning: this could increase the noise and the effective number of bits (ENOB). See tables above]*/ - const uint8_t FSR_6144 = 0b000; ///< Range: ±6.144 v. LSB SIZE = 187.5μV - const uint8_t FSR_4096 = 0b001; ///< Range: ±4.096 v. LSB SIZE = 125μV - const uint8_t FSR_2048 = 0b010; ///< Range: ±2.048 v. LSB SIZE = 62.5μV ***DEFAULT - const uint8_t FSR_1024 = 0b011; ///< Range: ±1.024 v. LSB SIZE = 31.25μV - const uint8_t FSR_0512 = 0b100; ///< Range: ±0.512 v. LSB SIZE = 15.625μV - const uint8_t FSR_0256 = 0b111; ///< Range: ±0.256 v. LSB SIZE = 7.8125μV - - /*Sampling rate selection by "DR" bits. - [Warning: this could increase the noise and the effective number of bits (ENOB). See tables above]*/ - const uint8_t RATE_8SPS = 0b000; ///< 8 samples/s, Tconv=125ms - const uint8_t RATE_16SPS = 0b001; ///< 16 samples/s, Tconv=62.5ms - const uint8_t RATE_32SPS = 0b010; ///< 32 samples/s, Tconv=31.25ms - const uint8_t RATE_64SPS = 0b011; ///< 64 samples/s, Tconv=15.625ms - const uint8_t RATE_128SPS = 0b100; ///< 128 samples/s, Tconv=7.8125ms - const uint8_t RATE_250SPS = 0b101; ///< 250 samples/s, Tconv=4ms - const uint8_t RATE_475SPS = 0b110; ///< 475 samples/s, Tconv=2.105ms - const uint8_t RATE_860SPS = 0b111; ///< 860 samples/s, Tconv=1.163ms - // const uint8_t RATE_3300SPS = 0b110; ///< 860 samples/s, Tconv=1.163ms - -private: - uint8_t lastSensorMode=3; ///< Last sensor mode selected (ADC_MODE or TEMP_MODE or none) - uint8_t cs; ///< Chip select pin (choose one) - const float pgaFSR[8] = {6.144, 4.096, 2.048, 1.024, 0.512, 0.256, 0.256, 0.256}; - const uint8_t CONV_TIME[8]={125, 63, 32, 16, 8, 4, 3, 2}; ///< Array containing the conversions time in ms - -}; - -#endif diff --git a/Resources/OpenPLCv2/firmware/ADC.test.arduino/one/one.ino b/Resources/OpenPLCv2/firmware/ADC.test.arduino/one/one.ino deleted file mode 100644 index 862b0a7..0000000 --- a/Resources/OpenPLCv2/firmware/ADC.test.arduino/one/one.ino +++ /dev/null @@ -1,42 +0,0 @@ -/** -* Basic Example for Arduino Library for Texas Instruments ADS1118 - 16-Bit Analog-to-Digital Converter with -* Internal Reference and Temperature Sensor -* -* @author Alvaro Salazar <alvaro@denkitronik.com> -* http://www.denkitronik.com -* -*/ - -#include "vishnuADC.h" -#include <SPI.h> - -//Definition of the Arduino pin to be used as the chip select pin (SPI CS pin). Example: pin 5 -#define CS 5 - -//Creating an ADS1118 object (object's name is ads1118) -ADS1118 ads1118(CS); - - -void setup(){ - Serial.begin(115200); - ads1118.begin(); //Initialize the ADS1118. Default setting: PULLUP RESISTOR, ADC MODE, RATE 8SPS, SINGLE SHOT, ±0.256V, DIFFERENTIAL AIN0-AIN1 - - /* Changing the sampling rate. RATE_8SPS, RATE_16SPS, RATE_32SPS, RATE_64SPS, RATE_128SPS, RATE_250SPS, RATE_475SPS, RATE_860SPS*/ - ads1118.setSamplingRate(ads1118.RATE_8SPS); - - /* Changing the input selected. Differential inputs: DIFF_0_1, DIFF_0_3, DIFF_1_3, DIFF_2_3. Single ended input: AIN_0, AIN_1, AIN_2, AIN_3*/ - ads1118.setInputSelected(ads1118.DIFF_0_1); - - /* Changing the full scale range. - * FSR_6144 (±6.144V)*, FSR_4096(±4.096V)*, FSR_2048(±2.048V), FSR_1024(±1.024V), FSR_0512(±0.512V), FSR_0256(±0.256V). - * (*) No more than VDD + 0.3 V must be applied to this device. - */ - ads1118.setFullScaleRange(ads1118.FSR_0256); -} - - -void loop(){ - Serial.println(String(ads1118.getTemperature(),6)+" C"); //Getting temperature of the internal sensor - //Serial.println(String(ads1118.getMilliVolts(),10)+"mV"); //Getting millivolts measured in the input selected - delay(200); //You can use a delay to save power. The ADS1118 will be in power down state during all the delay time. (Optional) -} diff --git a/Resources/OpenPLCv2/firmware/ADC.test.arduino/spi_ads1018/spi_ads1018.ino b/Resources/OpenPLCv2/firmware/ADC.test.arduino/spi_ads1018/spi_ads1018.ino deleted file mode 100644 index 8e1290a..0000000 --- a/Resources/OpenPLCv2/firmware/ADC.test.arduino/spi_ads1018/spi_ads1018.ino +++ /dev/null @@ -1,21 +0,0 @@ - -#include<SPI.h> - -/* ADS1018 settings */ - -const long int speedMaximum = 4000000; // frequency of communication -const char dataOrder = MSBFIRST; -const char dataMode = SPI_MODE1; - -void setup() { - - Serial.begin(9600); //start serial - SPI.begin(); // start SPI library - -} - -void loop() { - - SPI.beginTransaction(SPISettings(speedMaximum, dataOrder, dataMode)); - -} diff --git a/Resources/OpenPLCv2/firmware/ADC.test.arduino/trial.c b/Resources/OpenPLCv2/firmware/ADC.test.arduino/trial.c deleted file mode 100644 index fae88f6..0000000 --- a/Resources/OpenPLCv2/firmware/ADC.test.arduino/trial.c +++ /dev/null @@ -1,65 +0,0 @@ - -#define SELPIN 10 //Selection Pin -#define DATAOUT 11//MOSI -#define DATAIN 12//MISO -#define SPICLOCK 13//Clock -int readvalue; - -void setup(){ -//set pin modes -pinMode(SELPIN, OUTPUT); -pinMode(DATAOUT, OUTPUT); -pinMode(DATAIN, INPUT); -pinMode(SPICLOCK, OUTPUT); -//disable device to start with -digitalWrite(SELPIN,HIGH); -digitalWrite(DATAOUT,LOW); -digitalWrite(SPICLOCK,LOW); - -Serial.begin(9600); -} - -int read_adc(int channel){ - int adcvalue = 0; - byte commandbits = B11000000; //command bits - start, mode, chn (3), dont care (3) - - //allow channel selection - commandbits|=((channel-1)<<3); - - digitalWrite(ADCSEL,LOW); //Select adc - // setup bits to be written - for (int i=7; i>=3; i--){ - digitalWrite(DATAOUT,commandbits&1<<i); - //cycle clock - digitalWrite(SPICLOCK,HIGH); - digitalWrite(SPICLOCK,LOW); - } - - digitalWrite(SPICLOCK,HIGH); //ignores 2 null bits - digitalWrite(SPICLOCK,LOW); - digitalWrite(SPICLOCK,HIGH); - digitalWrite(SPICLOCK,LOW); - - //read bits from adc - for (int i=11; i>=0; i--){ - adcvalue+=digitalRead(DATAIN)<<i; - //cycle clock - digitalWrite(SPICLOCK,HIGH); - digitalWrite(SPICLOCK,LOW); - } - digitalWrite(ADCSEL, HIGH); //turn off device - return adcvalue; -} - -digitalWrite(SELPIN, HIGH); //turn off device -return adcvalue; -} - -void loop() { -readvalue = read_adc(1); -Serial.println(readvalue,DEC); -readvalue = read_adc(2); -Serial.println(readvalue,DEC); -Serial.println(" "); -delay(250); -} diff --git a/Resources/OpenPLCv2/firmware/ADC.test.arduino/trial2.c b/Resources/OpenPLCv2/firmware/ADC.test.arduino/trial2.c deleted file mode 100644 index e8cdfcf..0000000 --- a/Resources/OpenPLCv2/firmware/ADC.test.arduino/trial2.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - -SSTRB goes low when the ADC begins a conversion and goes -high when the conversion is finished - -SSTRB goes low at the beginning of calibration and goes -high to signal the end of calibration - -Control byte format -7 - (MSB) START The first logic "1" bit, after CS goes low, defines the beginning of the Control Byte -6 - UNI/BIP 1 = unipolar, 0 = bipolar -5 - INT/EXT Selects the internal or external conversion clock. 1 = Internal, 0 = External. -4 - M1 M1 M0 MODE -3 - M0 0 0 24 External clocks per conversion (short acquisition mode) - 0 1 Start Calibration. Starts internal calibration. - 1 0 Software power-down mode - 1 1 32 External clocks per conversion (long acquisition mode) -2 - programmable bit P2 -1 - programmable bit P1 -0 - programmable bit P0 - -*/ - -#define CALIBRATION 0b11101000 -#define START 0b11100000 - -#include <SPI.h> -int sstrb = 8; -int adcPin = 9; -int sdPin = 10; -unsigned int adcValue = 0; -byte LowByte,HighByte; - -void setup() { - pinMode(sstrb,INPUT); - pinMode(adcPin, OUTPUT); - pinMode(sdPin, OUTPUT); - digitalWrite(adcPin,HIGH); - digitalWrite(sdPin,HIGH); - Serial.begin(115200); - SPI.begin(); - SPI.setBitOrder(MSBFIRST); - SPI.setClockDivider(SPI_CLOCK_DIV4); - SPI.setDataMode(SPI_MODE0); - delay(100); - digitalWrite(adcPin,LOW); - SPI.transfer(CALIBRATION); //kalibrálás - while(!digitalRead(sstrb)){} - SPI.transfer(START); //mérés indítás -} - - -void loop(){ - while(!digitalRead(sstrb)){} - adcValue=SPI.transfer(START); - Serial.print("ADC: "); - Serial.println(adcValue); - - -}
\ No newline at end of file diff --git a/Resources/OpenPLCv2/firmware/ADC.test.arduino/vishnuADC.cpp b/Resources/OpenPLCv2/firmware/ADC.test.arduino/vishnuADC.cpp deleted file mode 100644 index 098debe..0000000 --- a/Resources/OpenPLCv2/firmware/ADC.test.arduino/vishnuADC.cpp +++ /dev/null @@ -1,55 +0,0 @@ -#include "vishnuADC.h" -#include "Arduino.h" - -/** - * Constructor of the class - * @param io_pin_cs a byte indicating the pin to be use as the chip select pin (CS) - */ -ADS1118::ADS1118(uint8_t io_pin_cs) { - cs = io_pin_cs; -} - -/** - * This method initialize the SPI port and the config register - */ -void ADS1118::begin() { - pinMode(cs, OUTPUT); - digitalWrite(cs, HIGH); - SPI.begin(); - SPI.beginTransaction(SPISettings(SCLK, MSBFIRST, SPI_MODE1)); - configRegister.bits={RESERVED, VALID_CFG, PULLUP, ADC_MODE, RATE_8SPS, SINGLE_SHOT, FSR_0256, DIFF_0_1, START_NOW}; //Default values -} - -/** - * Getting the temperature in degrees celsius from the internal sensor of the ADS1118 - * @return A double (32bits) containing the temperature in degrees celsius of the internal sensor - */ -double ADS1118::getTemperature() { - uint16_t convRegister; - uint8_t dataMSB, dataLSB, configMSB, configLSB, count=0; - if(lastSensorMode==TEMP_MODE) - count=1; //Lucky you! We don't have to read twice the sensor - else - configRegister.bits.sensorMode=TEMP_MODE; //Sorry but we will have to read twice the sensor - do{ - digitalWrite(cs, LOW); - dataMSB = SPI.transfer(configRegister.byte.msb); - dataLSB = SPI.transfer(configRegister.byte.lsb); - configMSB = SPI.transfer(configRegister.byte.msb); - configLSB = SPI.transfer(configRegister.byte.lsb); - digitalWrite(cs, HIGH); - for(int i=0;i<CONV_TIME[configRegister.bits.rate];i++) //Lets wait the conversion time - delayMicroseconds(1000); - count++; - }while (count<=1); //We make two readings because the second reading is the temperature. - convRegister = ((dataMSB << 8) | (dataLSB))>>4; - if((convRegister<<2) >= 0x8000){ - convRegister=((~convRegister)>>2)+1; //Converting to right-justified and applying binary twos complement format - return (double)(convRegister*0.03125*-1); - } - return (double)convRegister*0.03125; -} - -void ADS1118::setSamplingRate(uint8_t samplingRate){ - configRegister.bits.rate=samplingRate; -} diff --git a/Resources/OpenPLCv2/firmware/ADC.test.arduino/vishnuADC.h b/Resources/OpenPLCv2/firmware/ADC.test.arduino/vishnuADC.h deleted file mode 100644 index 2f2e7c5..0000000 --- a/Resources/OpenPLCv2/firmware/ADC.test.arduino/vishnuADC.h +++ /dev/null @@ -1,121 +0,0 @@ -#ifndef vishnuADC -#define vishnuADC - -#include "Arduino.h" -#include <SPI.h> - -/** -* Union representing the "config register" in 3 ways: -* bits, word (16 bits) and nibbles (4 bits) -* (See the datasheet [1] for more information) -*/ -///Union configuration register -union Config { - ///Structure of the config register of the ADS1118. (See datasheet [1]) - struct { - uint8_t reserved:1; ///< "Reserved" bit - uint8_t noOperation:2; ///< "NOP" bits - uint8_t pullUp:1; ///< "PULL_UP_EN" bit - uint8_t sensorMode:1; ///< "TS_MODE" bit - uint8_t rate:3; ///< "DR" bits - uint8_t operatingMode:1;///< "MODE" bit - uint8_t pga:3; ///< "PGA" bits - uint8_t mux:3; ///< "MUX" bits - uint8_t singleStart:1; ///< "SS" bit - } bits; - uint16_t word; ///< Representation in word (16-bits) format - struct { - uint8_t lsb; ///< Byte LSB - uint8_t msb; ///< Byte MSB - } byte; ///< Representation in bytes (8-bits) format -}; - -/** - * Class representing the ADS1118 sensor chip - * @author Alvaro Salazar <alvaro@denkitronik.com> - */ -class ADS1118 { - public: - ADS1118(uint8_t io_pin_cs); ///< Constructor - void begin(); ///< This method initialize the SPI port and the config register - double getTemperature(); ///< Getting the temperature in degrees celsius from the internal sensor of the ADS1118 - uint16_t getADCValue(uint8_t inputs);///< Getting a sample from the specified input - double getMilliVolts(uint8_t inputs);//< Getting the millivolts from the specified inputs - double getMilliVolts(); ///< Getting the millivolts from the settled inputs - void decodeConfigRegister(union Config configRegister); ///< Decoding a configRegister structure and then print it out to the Serial port - void setSamplingRate(uint8_t samplingRate);///< Setting the sampling rate specified in the config register - void setFullScaleRange(uint8_t fsr);///< Setting the full scale range in the config register - void setContinuousMode(); ///< Setting to continuous adquisition mode - void setSingleShotMode(); ///< Setting to single shot adquisition and power down mode - void disablePullup(); ///< Disabling the internal pull-up resistor of the DOUT pin - void enablePullup(); ///< Enabling the internal pull-up resistor of the DOUT pin - void setInputSelected(uint8_t input);///< Setting the inputs to be adquired in the config register. - //Input multiplexer configuration selection for bits "MUX" - //Differential inputs - const uint8_t DIFF_0_1 = 0b000; ///< Differential input: Vin=A0-A1 - const uint8_t DIFF_0_3 = 0b001; ///< Differential input: Vin=A0-A3 - const uint8_t DIFF_1_3 = 0b010; ///< Differential input: Vin=A1-A3 - const uint8_t DIFF_2_3 = 0b011; ///< Differential input: Vin=A2-A3 - //Single ended inputs - const uint8_t AIN_0 = 0b100; ///< Single ended input: Vin=A0 - const uint8_t AIN_1 = 0b101; ///< Single ended input: Vin=A1 - const uint8_t AIN_2 = 0b110; ///< Single ended input: Vin=A2 - const uint8_t AIN_3 = 0b111; ///< Single ended input: Vin=A3 - - union Config configRegister; ///< Config register - - //Bit constants - const long int SCLK = 4000000;///< ADS1118 SCLK frequency: 4000000 Hz Maximum for ADS1018 (4Mhz) - - // Used by "SS" bit - const uint8_t START_NOW = 1; ///< Start of conversion in single-shot mode - - // Used by "TS_MODE" bit - const uint8_t ADC_MODE = 0; ///< External (inputs) voltage reading mode - const uint8_t TEMP_MODE = 1; ///< Internal temperature sensor reading mode - - // Used by "MODE" bit - const uint8_t CONTINUOUS = 0; ///< Continuous conversion mode - const uint8_t SINGLE_SHOT = 1; ///< Single-shot conversion and power down mode - - // Used by "PULL_UP_EN" bit - const uint8_t PULLUP = 1; ///< Internal pull-up resistor enabled for DOUT ***DEFAULT - const uint8_t NO_PULLUP = 0; ///< Internal pull-up resistor disabled - - // Used by "NOP" bits - const uint8_t VALID_CFG = 0b01; ///< Data will be written to Config register - const uint8_t NO_VALID_CFG= 0b00; ///< Data won't be written to Config register - - // Used by "Reserved" bit - const uint8_t RESERVED = 1; ///< Its value is always 1, reserved - - /*Full scale range (FSR) selection by "PGA" bits. - [Warning: this could increase the noise and the effective number of bits (ENOB). See tables above]*/ - const uint8_t FSR_6144 = 0b000; ///< Range: ±6.144 v. LSB SIZE = 187.5μV - const uint8_t FSR_4096 = 0b001; ///< Range: ±4.096 v. LSB SIZE = 125μV - const uint8_t FSR_2048 = 0b010; ///< Range: ±2.048 v. LSB SIZE = 62.5μV ***DEFAULT - const uint8_t FSR_1024 = 0b011; ///< Range: ±1.024 v. LSB SIZE = 31.25μV - const uint8_t FSR_0512 = 0b100; ///< Range: ±0.512 v. LSB SIZE = 15.625μV - const uint8_t FSR_0256 = 0b111; ///< Range: ±0.256 v. LSB SIZE = 7.8125μV - - /*Sampling rate selection by "DR" bits. - [Warning: this could increase the noise and the effective number of bits (ENOB). See tables above]*/ - const uint8_t RATE_8SPS = 0b000; ///< 8 samples/s, Tconv=125ms - const uint8_t RATE_16SPS = 0b001; ///< 16 samples/s, Tconv=62.5ms - const uint8_t RATE_32SPS = 0b010; ///< 32 samples/s, Tconv=31.25ms - const uint8_t RATE_64SPS = 0b011; ///< 64 samples/s, Tconv=15.625ms - const uint8_t RATE_128SPS = 0b100; ///< 128 samples/s, Tconv=7.8125ms - const uint8_t RATE_250SPS = 0b101; ///< 250 samples/s, Tconv=4ms - const uint8_t RATE_475SPS = 0b110; ///< 475 samples/s, Tconv=2.105ms - const uint8_t RATE_860SPS = 0b111; ///< 860 samples/s, Tconv=1.163ms - // const uint8_t RATE_3300SPS = 0b110; ///< 860 samples/s, Tconv=1.163ms - -private: - uint8_t lastSensorMode=3; ///< Last sensor mode selected (ADC_MODE or TEMP_MODE or none) - uint8_t cs; ///< Chip select pin (choose one) - const float pgaFSR[8] = {6.144, 4.096, 2.048, 1.024, 0.512, 0.256, 0.256, 0.256}; - const uint8_t CONV_TIME[8]={125, 63, 32, 16, 8, 4, 3, 2}; ///< Array containing the conversions time in ms - -}; - -#endif |