Chanel's edits
Dependencies: max32630fthr USBDevice
max86150.h
- Committer:
- saleiferis
- Date:
- 2020-02-11
- Revision:
- 0:89ec48e52250
File content as of revision 0:89ec48e52250:
/*************************************************** Arduino library written for the Maxim MAX86150 ECG and PPG integrated sensor Written by Ashwin Whitchurch, ProtoCentral Electronics (www.protocentral.com) https://github.com/protocentral/protocentral_max86150 Based on code written by Peter Jansen and Nathan Seidle (SparkFun) for the MAX30105 sensor BSD license, all text above must be included in any redistribution. *****************************************************/ #pragma once #include "mbed.h" #include "I2C.h" //#define MAX86150_ADDRESS 0x5E //7-bit I2C Address //Note that MAX30102 has the same I2C address and Part ID #define I2C_SPEED_STANDARD 100000 #define I2C_SPEED_FAST 400000 //Define the size of the I2C buffer based on the platform the user has //The catch-all default is 32 #define I2C_BUFFER_LENGTH 32 class MAX86150 { public: MAX86150(void); //bool begin(TwoWire &wirePort = Wire, uint32_t i2cSpeed = I2C_SPEED_STANDARD, uint8_t i2caddr = MAX86150_ADDRESS); bool begin(I2C &wirePort, uint32_t i2cSpeed, uint8_t i2caddr); uint32_t getRed(void); //Returns immediate red value uint32_t getIR(void); //Returns immediate IR value int32_t getECG(void); //Returns immediate ECG value bool safeCheck(uint8_t maxTimeToCheck); //Given a max amount of time, check for new data // Configuration void softReset(); void shutDown(); void wakeUp(); void setLEDMode(uint8_t mode); void setADCRange(uint8_t adcRange); void setSampleRate(uint8_t sampleRate); void setPulseWidth(uint8_t pulseWidth); void setPulseAmplitudeRed(uint8_t value); void setPulseAmplitudeIR(uint8_t value); void setPulseAmplitudeProximity(uint8_t value); void setProximityThreshold(uint8_t threshMSB); //Multi-led configuration mode (page 22) void enableSlot(uint8_t slotNumber, uint8_t device); //Given slot number, assign a device to slot void disableSlots(void); // Data Collection //Interrupts (page 13, 14) uint8_t getINT1(void); //Returns the main interrupt group uint8_t getINT2(void); //Returns the temp ready interrupt void enableAFULL(void); //Enable/disable individual interrupts void disableAFULL(void); void enableDATARDY(void); void disableDATARDY(void); void enableALCOVF(void); void disableALCOVF(void); void enablePROXINT(void); void disablePROXINT(void); void enableDIETEMPRDY(void); void disableDIETEMPRDY(void); //FIFO Configuration (page 18) void setFIFOAverage(uint8_t samples); void enableFIFORollover(); void disableFIFORollover(); void setFIFOAlmostFull(uint8_t samples); //FIFO Reading uint16_t check(void); //Checks for new data and fills FIFO uint8_t available(void); //Tells caller how many new samples are available (head - tail) void nextSample(void); //Advances the tail of the sense array uint32_t getFIFORed(void); //Returns the FIFO sample pointed to by tail uint32_t getFIFOIR(void); //Returns the FIFO sample pointed to by tail int32_t getFIFOECG(void); //Returns the FIFO sample pointed to by tail uint8_t getWritePointer(void); uint8_t getReadPointer(void); void clearFIFO(void); //Sets the read/write pointers to zero //Proximity Mode Interrupt Threshold void setPROXINTTHRESH(uint8_t val); // Die Temperature float readTemperature(); float readTemperatureF(); // Detecting ID/Revision uint8_t getRevisionID(); uint8_t readPartID(); uint8_t readRegLED(); // Setup the IC with user selectable settings void setup(uint8_t powerLevel = 0x1F, uint8_t sampleAverage = 4, uint8_t ledMode = 3, int sampleRate = 400, int pulseWidth = 411, int adcRange = 4096); // Low-level I2C communication uint8_t readRegister8(uint8_t address, uint8_t reg); void writeRegister8(uint8_t address, uint8_t reg, uint8_t value); private: I2C *_i2cPort; //The generic connection to user's chosen I2C hardware uint8_t _i2caddr; //activeLEDs is the number of channels turned on, and can be 1 to 3. 2 is common for Red+IR. uint8_t activeDevices; //Gets set during setup. Allows check() to calculate how many bytes to read from FIFO uint8_t revisionID; void readRevisionID(); void bitMask(uint8_t reg, uint8_t mask, uint8_t thing); #define STORAGE_SIZE 4 //Each long is 4 bytes so limit this to fit on your micro typedef struct Record { uint32_t red[STORAGE_SIZE]; uint32_t IR[STORAGE_SIZE]; int32_t ecg[STORAGE_SIZE]; uint8_t head; uint8_t tail; } sense_struct; //This is our circular buffer of readings from the sensor sense_struct sense; };