zinnet yazıcı
maxrefdes117
Diff: MAX30105/MAX30105.h
- Revision:
- 0:78a2573ad768
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX30105/MAX30105.h Tue Aug 06 12:19:46 2019 +0000
@@ -0,0 +1,269 @@
+
+#ifndef _MAX30105_H_
+#define _MAX30105_H_
+
+#include "mbed.h"
+
+
+#define MAX30105_ADDRESS 0x57 //7-bit I2C Address //87 //1010111
+
+//#define MAX30105_I2C_ADDR 0xAE << 1 //8-BİT //174//10101110 //
+
+//Note that MAX30102 has the same I2C address and Part ID
+
+
+#define MAX30105_NO_ERROR 0
+#define MAX30105_ERROR -1
+#define MAX30105_TEMP_ERROR -999.0
+
+//#define I2C_SPEED_STANDARD 100000
+//#define I2C_SPEED_FAST 400000
+
+#define I2C_BUFFER_LENGTH 32
+
+
+
+class MAX30105 {
+ public:
+
+
+ MAX30105(I2C &i2c);
+ MAX30105(void);
+
+ //boolean begin(TwoWire &wirePort = Wire, uint32_t i2cSpeed = I2C_SPEED_STANDARD, uint8_t i2caddr = MAX30105_ADDRESS);
+
+ uint32_t getRed(void); //Returns immediate red value
+ uint32_t getIR(void); //Returns immediate IR value
+ uint32_t getGreen(void); //Returns immediate green 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 setPulseAmplitudeGreen(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
+ uint32_t getFIFOGreen(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();
+
+ // 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);
+ int writeRegValue(uint8_t reg, char value);
+ int writeReg(uint8_t reg);
+ int readReg(uint8_t reg, char *value);
+
+ private:
+ I2C _i2c; //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 activeLEDs; //Gets set during setup. Allows check() to calculate how many uint8_ts 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 uint8_ts so limit this to fit on your micro
+ typedef struct Record
+ {
+ uint32_t red[STORAGE_SIZE];
+ uint32_t IR[STORAGE_SIZE];
+ uint32_t green[STORAGE_SIZE];
+ uint8_t head;
+ uint8_t tail;
+ } sense_struct; //This is our circular buffer of readings from the sensor
+
+ sense_struct sense;
+
+
+
+ // Status Registers
+ static const uint8_t MAX30105_INTSTAT1 = 0x00;
+ static const uint8_t MAX30105_INTSTAT2 = 0x01;
+ static const uint8_t MAX30105_INTENABLE1 = 0x02;
+ static const uint8_t MAX30105_INTENABLE2 = 0x03;
+
+ // FIFO Registers
+ static const uint8_t MAX30105_FIFOWRITEPTR = 0x04;
+ static const uint8_t MAX30105_FIFOOVERFLOW = 0x05;
+ static const uint8_t MAX30105_FIFOREADPTR = 0x06;
+ static const uint8_t MAX30105_FIFODATA = 0x07;
+
+ // Configuration Registers
+ static const uint8_t MAX30105_FIFOCONFIG = 0x08;
+ static const uint8_t MAX30105_MODECONFIG = 0x09;
+ static const uint8_t MAX30105_PARTICLECONFIG = 0x0A; // Note, sometimes listed as "SPO2" config in datasheet (pg. 11)
+ static const uint8_t MAX30105_LED1_PULSEAMP = 0x0C;
+ static const uint8_t MAX30105_LED2_PULSEAMP = 0x0D;
+ static const uint8_t MAX30105_LED3_PULSEAMP = 0x0E;
+ static const uint8_t MAX30105_LED_PROX_AMP = 0x10;
+ static const uint8_t MAX30105_MULTILEDCONFIG1 = 0x11;
+ static const uint8_t MAX30105_MULTILEDCONFIG2 = 0x12;
+
+ // Die Temperature Registers
+ static const uint8_t MAX30105_DIETEMPINT = 0x1F;
+ static const uint8_t MAX30105_DIETEMPFRAC = 0x20;
+ static const uint8_t MAX30105_DIETEMPCONFIG = 0x21;
+
+ // Proximity Function Registers
+ static const uint8_t MAX30105_PROXINTTHRESH = 0x30;
+
+ // Part ID Registers
+ static const uint8_t MAX30105_REVISIONID = 0xFE;
+ static const uint8_t MAX30105_PARTID = 0xFF; // Should always be 0x15. Identical to MAX30102.
+
+ // MAX30105 Commands
+ // Interrupt configuration (pg 13, 14)
+ static const uint8_t MAX30105_INT_A_FULL_MASK = (uint8_t)~0b10000000;
+ static const uint8_t MAX30105_INT_A_FULL_ENABLE = 0x80;
+ static const uint8_t MAX30105_INT_A_FULL_DISABLE = 0x00;
+
+ static const uint8_t MAX30105_INT_DATA_RDY_MASK = (uint8_t)~0b01000000;
+ static const uint8_t MAX30105_INT_DATA_RDY_ENABLE = 0x40;
+ static const uint8_t MAX30105_INT_DATA_RDY_DISABLE = 0x00;
+
+ static const uint8_t MAX30105_INT_ALC_OVF_MASK = (uint8_t)~0b00100000;
+ static const uint8_t MAX30105_INT_ALC_OVF_ENABLE = 0x20;
+ static const uint8_t MAX30105_INT_ALC_OVF_DISABLE = 0x00;
+
+ static const uint8_t MAX30105_INT_PROX_INT_MASK = (uint8_t)~0b00010000;
+ static const uint8_t MAX30105_INT_PROX_INT_ENABLE = 0x10;
+ static const uint8_t MAX30105_INT_PROX_INT_DISABLE = 0x00;
+
+ static const uint8_t MAX30105_INT_DIE_TEMP_RDY_MASK = (uint8_t)~0b00000010;
+ static const uint8_t MAX30105_INT_DIE_TEMP_RDY_ENABLE = 0x02;
+ static const uint8_t MAX30105_INT_DIE_TEMP_RDY_DISABLE = 0x00;
+
+ static const uint8_t MAX30105_SAMPLEAVG_MASK = (uint8_t)~0b11100000;
+ static const uint8_t MAX30105_SAMPLEAVG_1 = 0x00;
+ static const uint8_t MAX30105_SAMPLEAVG_2 = 0x20;
+ static const uint8_t MAX30105_SAMPLEAVG_4 = 0x40;
+ static const uint8_t MAX30105_SAMPLEAVG_8 = 0x60;
+ static const uint8_t MAX30105_SAMPLEAVG_16 = 0x80;
+ static const uint8_t MAX30105_SAMPLEAVG_32 = 0xA0;
+
+ static const uint8_t MAX30105_ROLLOVER_MASK = 0xEF;
+ static const uint8_t MAX30105_ROLLOVER_ENABLE = 0x10;
+ static const uint8_t MAX30105_ROLLOVER_DISABLE = 0x00;
+
+ static const uint8_t MAX30105_A_FULL_MASK = 0xF0;
+
+ // Mode configuration commands (page 19)
+ static const uint8_t MAX30105_SHUTDOWN_MASK = 0x7F;
+ static const uint8_t MAX30105_SHUTDOWN = 0x80;
+ static const uint8_t MAX30105_WAKEUP = 0x00;
+
+ static const uint8_t MAX30105_RESET_MASK = 0xBF;
+ static const uint8_t MAX30105_RESET = 0x40;
+
+ static const uint8_t MAX30105_MODE_MASK = 0xF8;
+ static const uint8_t MAX30105_MODE_REDONLY = 0x02;
+ static const uint8_t MAX30105_MODE_REDIRONLY = 0x03;
+ static const uint8_t MAX30105_MODE_MULTILED = 0x07;
+
+ // Particle sensing configuration commands (pgs 19-20)
+ static const uint8_t MAX30105_ADCRANGE_MASK = 0x9F;
+ static const uint8_t MAX30105_ADCRANGE_2048 = 0x00;
+ static const uint8_t MAX30105_ADCRANGE_4096 = 0x20;
+ static const uint8_t MAX30105_ADCRANGE_8192 = 0x40;
+ static const uint8_t MAX30105_ADCRANGE_16384 = 0x60;
+
+ static const uint8_t MAX30105_SAMPLERATE_MASK = 0xE3;
+ static const uint8_t MAX30105_SAMPLERATE_50 = 0x00;
+ static const uint8_t MAX30105_SAMPLERATE_100 = 0x04;
+ static const uint8_t MAX30105_SAMPLERATE_200 = 0x08;
+ static const uint8_t MAX30105_SAMPLERATE_400 = 0x0C;
+ static const uint8_t MAX30105_SAMPLERATE_800 = 0x10;
+ static const uint8_t MAX30105_SAMPLERATE_1000 = 0x14;
+ static const uint8_t MAX30105_SAMPLERATE_1600 = 0x18;
+ static const uint8_t MAX30105_SAMPLERATE_3200 = 0x1C;
+
+ static const uint8_t MAX30105_PULSEWIDTH_MASK = 0xFC;
+ static const uint8_t MAX30105_PULSEWIDTH_69 = 0x00;
+ static const uint8_t MAX30105_PULSEWIDTH_118 = 0x01;
+ static const uint8_t MAX30105_PULSEWIDTH_215 = 0x02;
+ static const uint8_t MAX30105_PULSEWIDTH_411 = 0x03;
+
+ //Multi-LED Mode configuration (pg 22)
+ static const uint8_t MAX30105_SLOT1_MASK = 0xF8;
+ static const uint8_t MAX30105_SLOT2_MASK = 0x8F;
+ static const uint8_t MAX30105_SLOT3_MASK = 0xF8;
+ static const uint8_t MAX30105_SLOT4_MASK = 0x8F;
+
+ static const uint8_t SLOT_NONE = 0x00;
+ static const uint8_t SLOT_RED_LED = 0x01;
+ static const uint8_t SLOT_IR_LED = 0x02;
+ static const uint8_t SLOT_GREEN_LED = 0x03;
+ static const uint8_t SLOT_NONE_PILOT = 0x04;
+ static const uint8_t SLOT_RED_PILOT = 0x05;
+ static const uint8_t SLOT_IR_PILOT = 0x06;
+ static const uint8_t SLOT_GREEN_PILOT = 0x07;
+
+ static const uint8_t MAX_30105_EXPECTEDPARTID = 0x15;
+
+};
+#endif