Lucas Lim
/
HSP_Temperature_Barometer_CS3237
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Diff: MAX30001/MAX30001.h
- Revision:
- 22:5c07298d3383
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX30001/MAX30001.h Mon Aug 26 08:11:41 2019 +0000
@@ -0,0 +1,2342 @@
+///*******************************************************************************
+// * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
+// *
+// * Permission is hereby granted, free of charge, to any person obtaining a
+// * copy of this software and associated documentation files (the "Software"),
+// * to deal in the Software without restriction, including without limitation
+// * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// * and/or sell copies of the Software, and to permit persons to whom the
+// * Software is furnished to do so, subject to the following conditions:
+// *
+// * The above copyright notice and this permission notice shall be included
+// * in all copies or substantial portions of the Software.
+// *
+// * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+// * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// * OTHER DEALINGS IN THE SOFTWARE.
+// *
+// * Except as contained in this notice, the name of Maxim Integrated
+// * Products, Inc. shall not be used except as stated in the Maxim Integrated
+// * Products, Inc. Branding Policy.
+// *
+// * The mere transfer of this software does not imply any licenses
+// * of trade secrets, proprietary technology, copyrights, patents,
+// * trademarks, maskwork rights, or any other form of intellectual
+// * property whatsoever. Maxim Integrated Products, Inc. retains all
+// * ownership rights.
+// *******************************************************************************/
+///**
+// *
+// * Maxim Integrated MAX30001 ECG/BIOZ chip
+// *
+// * @code
+// * #include "mbed.h"
+// * #include "MAX30001.h"
+// *
+// * /// Initialization values for ECG_InitStart()
+// * #define EN_ECG 0b1
+// * #define OPENP 0b1
+// * #define OPENN 0b1
+// * #define POL 0b0
+// * #define CALP_SEL 0b10
+// * #define CALN_SEL 0b11
+// * #define E_FIT 31
+// * #define RATE 0b00
+// * #define GAIN 0b00
+// * #define DHPF 0b0
+// * #define DLPF 0b01
+// *
+// * /// Initialization values for CAL_InitStart()
+// * #define EN_VCAL 0b1
+// * #define VMODE 0b1
+// * #define VMAG 0b1
+// * #define FCAL 0b011
+// * #define THIGH 0x7FF
+// * #define FIFTY 0b0
+// *
+// * /// Initializaton values for Rbias_FMSTR_Init()
+// * #define EN_RBIAS 0b01
+// * #define RBIASV 0b10
+// * #define RBIASP 0b1
+// * #define RBIASN 0b1
+// * #define FMSTR 0b00
+// *
+// * #define BUFFER_LENGTH 50
+// *
+// * // @brief SPI Master 0 with SPI0_SS for use with MAX30001
+// * SPI spi(SPI0_MOSI, SPI0_MISO, SPI0_SCK, SPI0_SS); // used by MAX30001
+// *
+// * //@brief ECG device
+// * MAX30001 max30001(&spi);
+// * InterruptIn max30001_InterruptB(P3_6);
+// * InterruptIn max30001_Interrupt2B(P4_5);
+// * //@brief PWM used as fclk for the MAX30001
+// * PwmOut pwmout(P1_7);
+// *
+// * //@brief Creating a buffer to hold the data
+// * uint32_t ecgBuffer[BUFFER_LENGTH];
+// * int ecgIndex = 0;
+// * char data_trigger = 0;
+// *
+// *
+// * //
+// * // @brief Creates a packet that will be streamed via USB Serial
+// * // the packet created will be inserted into a fifo to be streamed at a later time
+// * // @param id Streaming ID
+// * // @param buffer Pointer to a uint32 array that contains the data to include in the packet
+// * // @param number Number of elements in the buffer
+// * //
+// * void StreamPacketUint32_ecg(uint32_t id, uint32_t *buffer, uint32_t number) {
+// * int i;
+// * if (id == MAX30001_DATA_ECG) {
+// * for (i = 0; i < number; i++) {
+// * ecgBuffer[ecgIndex] = buffer[i];
+// * ecgIndex++;
+// * if (ecgIndex > BUFFER_LENGTH)
+// * {
+// * data_trigger = 1;
+// * ecgIndex = 0;
+// * }
+// * }
+// * }
+// * if (id == MAX30001_DATA_BIOZ) {
+// * /// Add code for reading BIOZ data
+// * }
+// * if (id == MAX30001_DATA_PACE) {
+// * /// Add code for reading Pace data
+// * }
+// * if (id == MAX30001_DATA_RTOR) {
+// * /// Add code for reading RtoR data
+// * }
+// * }
+// *
+// *
+// * int main() {
+// *
+// * uint32_t all;
+// *
+// * /// set NVIC priorities for GPIO to prevent priority inversion
+// * NVIC_SetPriority(GPIO_P0_IRQn, 5);
+// * NVIC_SetPriority(GPIO_P1_IRQn, 5);
+// * NVIC_SetPriority(GPIO_P2_IRQn, 5);
+// * NVIC_SetPriority(GPIO_P3_IRQn, 5);
+// * NVIC_SetPriority(GPIO_P4_IRQn, 5);
+// * NVIC_SetPriority(GPIO_P5_IRQn, 5);
+// * NVIC_SetPriority(GPIO_P6_IRQn, 5);
+// * // used by the MAX30001
+// * NVIC_SetPriority(SPI1_IRQn, 0);
+// *
+// *
+// * /// Setup interrupts and callback functions
+// * max30001_InterruptB.disable_irq();
+// * max30001_Interrupt2B.disable_irq();
+// *
+// * max30001_InterruptB.mode(PullUp);
+// * max30001_InterruptB.fall(&MAX30001::Mid_IntB_Handler);
+// *
+// * max30001_Interrupt2B.mode(PullUp);
+// * max30001_Interrupt2B.fall(&MAX30001::Mid_Int2B_Handler);
+// *
+// * max30001_InterruptB.enable_irq();
+// * max30001_Interrupt2B.enable_irq();
+// *
+// * max30001.AllowInterrupts(1);
+// *
+// * // Configuring the FCLK for the ECG, set to 32.768KHZ
+// * pwmout.period_us(31);
+// * pwmout.write(0.5); // 0-1 is 0-100%, 0.5 = 50% duty cycle.
+// * max30001.sw_rst(); // Do a software reset of the MAX30001
+// *
+// * max30001.INT_assignment(MAX30001::MAX30001_INT_B, MAX30001::MAX30001_NO_INT, MAX30001::MAX30001_NO_INT, // en_enint_loc, en_eovf_loc, en_fstint_loc,
+// * MAX30001::MAX30001_INT_2B, MAX30001::MAX30001_INT_2B, MAX30001::MAX30001_NO_INT, // en_dcloffint_loc, en_bint_loc, en_bovf_loc,
+// * MAX30001::MAX30001_INT_2B, MAX30001::MAX30001_INT_2B, MAX30001::MAX30001_NO_INT, // en_bover_loc, en_bundr_loc, en_bcgmon_loc,
+// * MAX30001::MAX30001_INT_B, MAX30001::MAX30001_NO_INT, MAX30001::MAX30001_NO_INT, // en_pint_loc, en_povf_loc, en_pedge_loc,
+// * MAX30001::MAX30001_INT_2B, MAX30001::MAX30001_INT_B, MAX30001::MAX30001_NO_INT, // en_lonint_loc, en_rrint_loc, en_samp_loc,
+// * MAX30001::MAX30001_INT_ODNR, MAX30001::MAX30001_INT_ODNR); // intb_Type, int2b_Type)
+// *
+// * max30001.onDataAvailable(&StreamPacketUint32_ecg);
+// *
+// * /// Set and Start the VCAL input
+// * /// @brief NOTE VCAL must be set first if VCAL is to be used
+// * max30001.CAL_InitStart(EN_VCAL , VMODE, VMAG, FCAL, THIGH, FIFTY);
+// *
+// * /// ECG Initialization
+// * max30001.ECG_InitStart(EN_ECG, OPENP, OPENN, POL, CALP_SEL, CALN_SEL, E_FIT, RATE, GAIN, DHPF, DLPF);
+// *
+// * /// @details The user can call any of the InitStart functions for Pace, BIOZ and RtoR
+// *
+// *
+// * /// @brief Set Rbias & FMSTR over here
+// * max30001.Rbias_FMSTR_Init(EN_RBIAS, RBIASV, RBIASP, RBIASN,FMSTR);
+// *
+// * max30001.synch();
+// *
+// * /// clear the status register for a clean start
+// * max30001.reg_read(MAX30001::STATUS, &all);
+// *
+// * printf("Please wait for data to start streaming\n");
+// * fflush(stdout);
+// *
+// * while (1) {
+// * if(data_trigger == 1){
+// * printf("%ld ", ecgBuffer[ecgIndex]); // Print the ECG data on a serial port terminal software
+// * fflush(stdout);
+// * }
+// * }
+// * }
+// * @endcode
+// *
+// */
+//
+//
+//#ifndef MAX30001_H_
+//#define MAX30001_H_
+//
+//#include "mbed.h"
+//
+//#define mbed_COMPLIANT ///< Uncomment to Use timer for MAX30001 FCLK (for mbed)
+// ///< Comment to use the RTC clock
+//
+//#define ASYNC_SPI_BUFFER_SIZE (32 * 3) ///< Maximimum buffer size for async byte transfers
+//
+/////< Defines for data callbacks
+//#define MAX30001_DATA_ECG 0x30
+//#define MAX30001_DATA_PACE 0x31
+//#define MAX30001_DATA_RTOR 0x32
+//#define MAX30001_DATA_BIOZ 0x33
+//#define MAX30001_DATA_LEADOFF_DC 0x34
+//#define MAX30001_DATA_LEADOFF_AC 0x35
+//#define MAX30001_DATA_BCGMON 0x36
+//#define MAX30001_DATA_ACLEADON 0x37
+//
+//#define MAX30001_SPI_MASTER_PORT 0
+//#define MAX30001_SPI_SS_INDEX 0
+//
+//#define MAX30001_INT_PORT_B 3
+//#define MAX30001_INT_PIN_B 6
+//
+//#define MAX30001_INT_PORT_2B 4
+//#define MAX30001_INT_PIN_2B 5
+//
+//#define MAX30001_INT_PORT_FCLK 1
+//#define MAX30001_INT_PIN_FCLK 7
+//
+//#define MAX30001_FUNC_SEL_TMR 2 ///< 0=FW Control, 1= Pulse Train, 2=Timer
+//
+//#define MAX30001_INDEX 3
+//#define MAX30001_POLARITY 0
+//#define MAX30001_PERIOD 30518
+//#define MAX30001_CYCLE 50
+//
+//#define MAX30001_IOMUX_IO_ENABLE 1
+//
+//#define MAX30001_SPI_PORT 0
+//#define MAX30001_CS_PIN 0
+//#define MAX30001_CS_POLARITY 0
+//#define MAX30001_CS_ACTIVITY_DELAY 0
+//#define MAX30001_CS_INACTIVITY_DELAY 0
+//#define MAX30001_CLK_HI 1
+//#define MAX30001_CLK_LOW 1
+//#define MAX30001_ALT_CLK 0
+//#define MAX30001_CLK_POLARITY 0
+//#define MAX30001_CLK_PHASE 0
+//#define MAX30001_WRITE 1
+//#define MAX30001_READ 0
+//
+//#define MAX30001_INT_PORT_B 3
+//#define MAX30001INT_PIN_B 6
+//
+//void MAX30001_AllowInterrupts(int state);
+//
+///**
+//* @brief Maxim Integrated MAX30001 ECG/BIOZ chip
+//*/
+//class MAX30001 {
+//
+//public:
+// typedef enum { ///< MAX30001 Register addresses
+// STATUS = 0x01,
+// EN_INT = 0x02,
+// EN_INT2 = 0x03,
+// MNGR_INT = 0x04,
+// MNGR_DYN = 0x05,
+// SW_RST = 0x08,
+// SYNCH = 0x09,
+// FIFO_RST = 0x0A,
+// INFO = 0x0F,
+// CNFG_GEN = 0x10,
+// CNFG_CAL = 0x12,
+// CNFG_EMUX = 0x14,
+// CNFG_ECG = 0x15,
+// CNFG_BMUX = 0x17,
+// CNFG_BIOZ = 0x18,
+// CNFG_PACE = 0x1A,
+// CNFG_RTOR1 = 0x1D,
+// CNFG_RTOR2 = 0x1E,
+//
+// // Data locations
+// ECG_FIFO_BURST = 0x20,
+// ECG_FIFO = 0x21,
+// FIFO_BURST = 0x22,
+// BIOZ_FIFO = 0x23,
+// RTOR = 0x25,
+//
+// PACE0_FIFO_BURST = 0x30,
+// PACE0_A = 0x31,
+// PACE0_B = 0x32,
+// PACE0_C = 0x33,
+//
+// PACE1_FIFO_BURST = 0x34,
+// PACE1_A = 0x35,
+// PACE1_B = 0x36,
+// PACE1_C = 0x37,
+//
+// PACE2_FIFO_BURST = 0x38,
+// PACE2_A = 0x39,
+// PACE2_B = 0x3A,
+// PACE2_C = 0x3B,
+//
+// PACE3_FIFO_BURST = 0x3C,
+// PACE3_A = 0x3D,
+// PACE3_B = 0x3E,
+// PACE3_C = 0x3F,
+//
+// PACE4_FIFO_BURST = 0x40,
+// PACE4_A = 0x41,
+// PACE4_B = 0x42,
+// PACE4_C = 0x43,
+//
+// PACE5_FIFO_BURST = 0x44,
+// PACE5_A = 0x45,
+// PACE5_B = 0x46,
+// PACE5_C = 0x47,
+//
+// } MAX30001_REG_map_t;
+//
+// /**
+// * @brief STATUS (0x01)
+// */
+// typedef union max30001_status_reg {
+// uint32_t all;
+//
+// struct {
+// uint32_t loff_nl : 1;
+// uint32_t loff_nh : 1;
+// uint32_t loff_pl : 1;
+// uint32_t loff_ph : 1;
+//
+// uint32_t bcgmn : 1;
+// uint32_t bcgmp : 1;
+// uint32_t reserved1 : 1;
+// uint32_t reserved2 : 1;
+//
+// uint32_t pllint : 1;
+// uint32_t samp : 1;
+// uint32_t rrint : 1;
+// uint32_t lonint : 1;
+//
+// uint32_t pedge : 1;
+// uint32_t povf : 1;
+// uint32_t pint : 1;
+// uint32_t bcgmon : 1;
+//
+// uint32_t bundr : 1;
+// uint32_t bover : 1;
+// uint32_t bovf : 1;
+// uint32_t bint : 1;
+//
+// uint32_t dcloffint : 1;
+// uint32_t fstint : 1;
+// uint32_t eovf : 1;
+// uint32_t eint : 1;
+//
+// uint32_t reserved : 8;
+//
+// } bit;
+//
+// } max30001_status_t;
+//
+//
+// /**
+// * @brief EN_INT (0x02)
+// */
+//
+// typedef union max30001_en_int_reg {
+// uint32_t all;
+//
+// struct {
+// uint32_t intb_type : 2;
+// uint32_t reserved1 : 1;
+// uint32_t reserved2 : 1;
+//
+// uint32_t reserved3 : 1;
+// uint32_t reserved4 : 1;
+// uint32_t reserved5 : 1;
+// uint32_t reserved6 : 1;
+//
+// uint32_t en_pllint : 1;
+// uint32_t en_samp : 1;
+// uint32_t en_rrint : 1;
+// uint32_t en_lonint : 1;
+//
+// uint32_t en_pedge : 1;
+// uint32_t en_povf : 1;
+// uint32_t en_pint : 1;
+// uint32_t en_bcgmon : 1;
+//
+// uint32_t en_bundr : 1;
+// uint32_t en_bover : 1;
+// uint32_t en_bovf : 1;
+// uint32_t en_bint : 1;
+//
+// uint32_t en_dcloffint : 1;
+// uint32_t en_fstint : 1;
+// uint32_t en_eovf : 1;
+// uint32_t en_eint : 1;
+//
+// uint32_t reserved : 8;
+//
+// } bit;
+//
+// } max30001_en_int_t;
+//
+//
+// /**
+// * @brief EN_INT2 (0x03)
+// */
+// typedef union max30001_en_int2_reg {
+// uint32_t all;
+//
+// struct {
+// uint32_t intb_type : 2;
+// uint32_t reserved1 : 1;
+// uint32_t reserved2 : 1;
+//
+// uint32_t reserved3 : 1;
+// uint32_t reserved4 : 1;
+// uint32_t reserved5 : 1;
+// uint32_t reserved6 : 1;
+//
+// uint32_t en_pllint : 1;
+// uint32_t en_samp : 1;
+// uint32_t en_rrint : 1;
+// uint32_t en_lonint : 1;
+//
+// uint32_t en_pedge : 1;
+// uint32_t en_povf : 1;
+// uint32_t en_pint : 1;
+// uint32_t en_bcgmon : 1;
+//
+// uint32_t en_bundr : 1;
+// uint32_t en_bover : 1;
+// uint32_t en_bovf : 1;
+// uint32_t en_bint : 1;
+//
+// uint32_t en_dcloffint : 1;
+// uint32_t en_fstint : 1;
+// uint32_t en_eovf : 1;
+// uint32_t en_eint : 1;
+//
+// uint32_t reserved : 8;
+//
+// } bit;
+//
+// } max30001_en_int2_t;
+//
+// /**
+// * @brief MNGR_INT (0x04)
+// */
+// typedef union max30001_mngr_int_reg {
+// uint32_t all;
+//
+// struct {
+// uint32_t samp_it : 2;
+// uint32_t clr_samp : 1;
+// uint32_t clr_pedge : 1;
+// uint32_t clr_rrint : 2;
+// uint32_t clr_fast : 1;
+// uint32_t reserved1 : 1;
+// uint32_t reserved2 : 4;
+// uint32_t reserved3 : 4;
+//
+// uint32_t b_fit : 3;
+// uint32_t e_fit : 5;
+//
+// uint32_t reserved : 8;
+//
+// } bit;
+//
+// } max30001_mngr_int_t;
+//
+// /**
+// * @brief MNGR_DYN (0x05)
+// */
+// typedef union max30001_mngr_dyn_reg {
+// uint32_t all;
+//
+// struct {
+// uint32_t bloff_lo_it : 8;
+// uint32_t bloff_hi_it : 8;
+// uint32_t fast_th : 6;
+// uint32_t fast : 2;
+// uint32_t reserved : 8;
+// } bit;
+//
+// } max30001_mngr_dyn_t;
+//
+//
+// /**
+// * @brief INFO (0x0F)
+// */
+// typedef union max30001_info_reg {
+// uint32_t all;
+// struct {
+// uint32_t serial : 12;
+// uint32_t part_id : 2;
+// uint32_t sample : 1;
+// uint32_t reserved1 : 1;
+// uint32_t rev_id : 4;
+// uint32_t pattern : 4;
+// uint32_t reserved : 8;
+// } bit;
+//
+// } max30001_info_t;
+//
+// /**
+// * @brief CNFG_GEN (0x10)
+// */
+// typedef union max30001_cnfg_gen_reg {
+// uint32_t all;
+// struct {
+// uint32_t rbiasn : 1;
+// uint32_t rbiasp : 1;
+// uint32_t rbiasv : 2;
+// uint32_t en_rbias : 2;
+// uint32_t vth : 2;
+// uint32_t imag : 3;
+// uint32_t ipol : 1;
+// uint32_t en_dcloff : 2;
+// uint32_t en_bloff : 2;
+// uint32_t reserved1 : 1;
+// uint32_t en_pace : 1;
+// uint32_t en_bioz : 1;
+// uint32_t en_ecg : 1;
+// uint32_t fmstr : 2;
+// uint32_t en_ulp_lon : 2;
+// uint32_t reserved : 8;
+// } bit;
+//
+// } max30001_cnfg_gen_t;
+//
+//
+// /**
+// * @brief CNFG_CAL (0x12)
+// */
+// typedef union max30001_cnfg_cal_reg {
+// uint32_t all;
+// struct {
+// uint32_t thigh : 11;
+// uint32_t fifty : 1;
+// uint32_t fcal : 3;
+// uint32_t reserved1 : 5;
+// uint32_t vmag : 1;
+// uint32_t vmode : 1;
+// uint32_t en_vcal : 1;
+// uint32_t reserved2 : 1;
+// uint32_t reserved : 8;
+// } bit;
+//
+// } max30001_cnfg_cal_t;
+//
+// /**
+// * @brief CNFG_EMUX (0x14)
+// */
+// typedef union max30001_cnfg_emux_reg {
+// uint32_t all;
+// struct {
+// uint32_t reserved1 : 16;
+// uint32_t caln_sel : 2;
+// uint32_t calp_sel : 2;
+// uint32_t openn : 1;
+// uint32_t openp : 1;
+// uint32_t reserved2 : 1;
+// uint32_t pol : 1;
+// uint32_t reserved : 8;
+// } bit;
+//
+// } max30001_cnfg_emux_t;
+//
+//
+// /**
+// * @brief CNFG_ECG (0x15)
+// */
+// typedef union max30001_cnfg_ecg_reg {
+// uint32_t all;
+// struct {
+// uint32_t reserved1 : 12;
+// uint32_t dlpf : 2;
+// uint32_t dhpf : 1;
+// uint32_t reserved2 : 1;
+// uint32_t gain : 2;
+// uint32_t reserved3 : 4;
+// uint32_t rate : 2;
+//
+// uint32_t reserved : 8;
+// } bit;
+//
+// } max30001_cnfg_ecg_t;
+//
+// /**
+// * @brief CNFG_BMUX (0x17)
+// */
+// typedef union max30001_cnfg_bmux_reg {
+// uint32_t all;
+// struct {
+// uint32_t fbist : 2;
+// uint32_t reserved1 : 2;
+// uint32_t rmod : 3;
+// uint32_t reserved2 : 1;
+// uint32_t rnom : 3;
+// uint32_t en_bist : 1;
+// uint32_t cg_mode : 2;
+// uint32_t reserved3 : 2;
+// uint32_t caln_sel : 2;
+// uint32_t calp_sel : 2;
+// uint32_t openn : 1;
+// uint32_t openp : 1;
+// uint32_t reserved4 : 2;
+// uint32_t reserved : 8;
+// } bit;
+//
+// } max30001_cnfg_bmux_t;
+//
+// /**
+// * @brief CNFG_BIOZ (0x18)
+// */
+// typedef union max30001_bioz_reg {
+// uint32_t all;
+// struct {
+// uint32_t phoff : 4;
+// uint32_t cgmag : 3;
+// uint32_t cgmon : 1;
+// uint32_t fcgen : 4;
+// uint32_t dlpf : 2;
+// uint32_t dhpf : 2;
+// uint32_t gain : 2;
+// uint32_t reserved1 : 1;
+// uint32_t ext_rbias : 1;
+// uint32_t ahpf : 3;
+// uint32_t rate : 1;
+// uint32_t reserved : 8;
+// } bit;
+//
+// } max30001_cnfg_bioz_t;
+//
+//
+// /**
+// * @brief CNFG_PACE (0x1A)
+// */
+// typedef union max30001_cnfg_pace_reg {
+// uint32_t all;
+//
+// struct {
+// uint32_t dacn : 4;
+// uint32_t dacp : 4;
+// uint32_t reserved1 : 4;
+// uint32_t aout : 2;
+// uint32_t aout_lbw : 1;
+// uint32_t reserved2 : 1;
+// uint32_t gain : 3;
+// uint32_t gn_diff_off : 1;
+// uint32_t reserved3 : 3;
+// uint32_t pol : 1;
+// uint32_t reserved : 8;
+// } bit;
+//
+// } max30001_cnfg_pace_t;
+//
+// /**
+// * @brief CNFG_RTOR1 (0x1D)
+// */
+// typedef union max30001_cnfg_rtor1_reg {
+// uint32_t all;
+// struct {
+// uint32_t reserved1 : 8;
+// uint32_t ptsf : 4;
+// uint32_t pavg : 2;
+// uint32_t reserved2 : 1;
+// uint32_t en_rtor : 1;
+// uint32_t gain : 4;
+// uint32_t wndw : 4;
+// uint32_t reserved : 8;
+// } bit;
+//
+// } max30001_cnfg_rtor1_t;
+//
+// /**
+// * @brief CNFG_RTOR2 (0x1E)
+// */
+// typedef union max30001_cnfg_rtor2_reg {
+// uint32_t all;
+// struct {
+// uint32_t reserved1 : 8;
+// uint32_t rhsf : 3;
+// uint32_t reserved2 : 1;
+// uint32_t ravg : 2;
+// uint32_t reserved3 : 2;
+// uint32_t hoff : 6;
+// uint32_t reserved4 : 2;
+// uint32_t reserved : 8;
+// } bit;
+//
+// } max30001_cnfg_rtor2_t;
+//
+// /*********************************************************************************/
+//
+// typedef enum {
+// MAX30001_NO_INT = 0, ///< No interrupt
+// MAX30001_INT_B = 1, ///< INTB selected for interrupt
+// MAX30001_INT_2B = 2 ///< INT2B selected for interrupt
+// } max30001_intrpt_Location_t;
+//
+// typedef enum {
+// MAX30001_INT_DISABLED = 0b00,
+// MAX30001_INT_CMOS = 0b01,
+// MAX30001_INT_ODN = 0b10,
+// MAX30001_INT_ODNR = 0b11
+// } max30001_intrpt_type_t;
+//
+// typedef enum { ///< Input Polarity selection
+// MAX30001_NON_INV = 0, ///< Non-Inverted
+// MAX30001_INV = 1 ///< Inverted
+// } max30001_emux_pol_t;
+//
+// typedef enum { ///< OPENP and OPENN setting
+// MAX30001_ECG_CON_AFE = 0, ///< ECGx is connected to AFE channel
+// MAX30001_ECG_ISO_AFE = 1 ///< ECGx is isolated from AFE channel
+// } max30001_emux_openx_t;
+//
+// typedef enum { ///< EMUX_CALP_SEL & EMUX_CALN_SEL
+// MAX30001_NO_CAL_SIG = 0b00, ///< No calibration signal is applied
+// MAX30001_INPT_VMID = 0b01, ///< Input is connected to VMID
+// MAX30001_INPT_VCALP = 0b10, ///< Input is connected to VCALP
+// MAX30001_INPT_VCALN = 0b11 ///< Input is connected to VCALN
+// } max30001_emux_calx_sel_t;
+//
+// typedef enum { ///< EN_ECG, EN_BIOZ, EN_PACE
+// MAX30001_CHANNEL_DISABLED = 0b0,
+// MAX30001_CHANNEL_ENABLED = 0b1
+// } max30001_en_feature_t;
+//
+// /*********************************************************************************/
+// // Data
+// uint32_t max30001_ECG_FIFO_buffer[32]; ///< (303 for internal test)
+// uint32_t max30001_BIOZ_FIFO_buffer[8]; ///< (303 for internal test)
+//
+// uint32_t max30001_PACE[18]; ///< Pace Data 0-5
+//
+// uint32_t max30001_RtoR_data; ///< This holds the RtoR data
+//
+// uint32_t max30001_DCLeadOff; ///< This holds the LeadOff data, Last 4 bits give
+// ///< the status, BIT3=LOFF_PH, BIT2=LOFF_PL,
+// ///< BIT1=LOFF_NH, BIT0=LOFF_NL
+// ///< 8th and 9th bits tell Lead off is due to ECG or BIOZ.
+// ///< 0b01 = ECG Lead Off and 0b10 = BIOZ Lead off
+//
+// uint32_t max30001_ACLeadOff; ///< This gives the state of the BIOZ AC Lead Off
+// ///< state. BIT 1 = BOVER, BIT 0 = BUNDR
+//
+// uint32_t max30001_bcgmon; ///< This holds the BCGMON data, BIT 1 = BCGMP, BIT0 =
+// ///< BCGMN
+//
+// uint32_t max30001_LeadOn; ///< This holds the LeadOn data, BIT1 = BIOZ Lead ON,
+// ///< BIT0 = ECG Lead ON, BIT8= Lead On Status Bit
+//
+// uint32_t max30001_timeout; ///< If the PLL does not respond, timeout and get out.
+//
+// typedef struct { ///< Creating a structure for BLE data
+// int16_t R2R;
+// int16_t fmstr;
+// } max30001_bledata_t;
+//
+// max30001_bledata_t hspValMax30001; // R2R, FMSTR
+//
+// max30001_status_t global_status;
+//
+// /**
+// * @brief Constructor that accepts pin names for the SPI interface
+// * @param spi pointer to the mbed SPI object
+// */
+// MAX30001(SPI *spi);
+//
+// /**
+// * @brief Constructor that accepts pin names for the SPI interface
+// * @param mosi master out slave in pin name
+// * @param miso master in slave out pin name
+// * @param sclk serial clock pin name
+// * @param cs chip select pin name
+// */
+// MAX30001(PinName mosi, PinName miso, PinName sclk, PinName cs);
+//
+// /**
+// * MAX30001 destructor
+// */
+// ~MAX30001(void);
+//
+// /**
+// * @brief This function is MAXIM Proprietary. It channels the RTC crystal
+// * @brief clock to P1.7. Thus providing 32768Hz on FCLK pin of the MAX30001-3
+// */
+// void FCLK_MaximOnly(void);
+//
+// /**
+// * @brief This function sets up the Resistive Bias mode and also selects the master clock frequency.
+// * @brief Uses Register: CNFG_GEN-0x10
+// * @param En_rbias: Enable and Select Resitive Lead Bias Mode
+// * @param Rbiasv: Resistive Bias Mode Value Selection
+// * @param Rbiasp: Enables Resistive Bias on Positive Input
+// * @param Rbiasn: Enables Resistive Bias on Negative Input
+// * @param Fmstr: Selects Master Clock Frequency
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int Rbias_FMSTR_Init(uint8_t En_rbias, uint8_t Rbiasv,
+// uint8_t Rbiasp, uint8_t Rbiasn, uint8_t Fmstr);
+//
+// /**
+// * @brief This function uses sets up the calibration signal internally. If it is desired to use the internal signal, then
+// * @brief this function must be called and the registers set, prior to setting the CALP_SEL and CALN_SEL in the ECG_InitStart
+// * @brief and BIOZ_InitStart functions.
+// * @brief Uses Register: CNFG_CAL-0x12
+// * @param En_Vcal: Calibration Source (VCALP and VCALN) Enable
+// * @param Vmode: Calibration Source Mode Selection
+// * @param Vmag: Calibration Source Magnitude Selection (VMAG)
+// * @param Fcal: Calibration Source Frequency Selection (FCAL)
+// * @param Thigh: Calibration Source Time High Selection
+// * @param Fifty: Calibration Source Duty Cycle Mode Selection
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int CAL_InitStart(uint8_t En_Vcal, uint8_t Vmode, uint8_t Vmag,
+// uint8_t Fcal, uint16_t Thigh, uint8_t Fifty);
+//
+// /**
+// * @brief This function disables the VCAL signal
+// * @returns 0-if no error. A non-zero value indicates an error.
+// */
+// int CAL_Stop(void);
+//
+// /**
+// * @brief This function handles the assignment of the two interrupt pins (INTB & INT2B) with various
+// * @brief functions/behaviors of the MAX30001. Also, each pin can be configured for different drive capability.
+// * @brief Uses Registers: EN_INT-0x02 and EN_INT2-0x03.
+// * @param max30001_intrpt_Locatio_t <argument>: All the arguments with the aforementioned enumeration essentially
+// * can be configured to generate an interrupt on either INTB or INT2B or NONE.
+// * @param max30001_intrpt_type_t intb_Type: INTB Port Type (EN_INT Selections).
+// * @param max30001_intrpt_type _t int2b_Type: INT2B Port Type (EN_INT2 Selections)
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int INT_assignment(max30001_intrpt_Location_t en_enint_loc, max30001_intrpt_Location_t en_eovf_loc, max30001_intrpt_Location_t en_fstint_loc,
+// max30001_intrpt_Location_t en_dcloffint_loc, max30001_intrpt_Location_t en_bint_loc, max30001_intrpt_Location_t en_bovf_loc,
+// max30001_intrpt_Location_t en_bover_loc, max30001_intrpt_Location_t en_bundr_loc, max30001_intrpt_Location_t en_bcgmon_loc,
+// max30001_intrpt_Location_t en_pint_loc, max30001_intrpt_Location_t en_povf_loc, max30001_intrpt_Location_t en_pedge_loc,
+// max30001_intrpt_Location_t en_lonint_loc, max30001_intrpt_Location_t en_rrint_loc, max30001_intrpt_Location_t en_samp_loc,
+// max30001_intrpt_type_t intb_Type, max30001_intrpt_type_t int2b_Type);
+//
+//
+//
+// /**
+// * @brief For MAX30001/3 ONLY
+// * @brief This function sets up the MAX30001 for the ECG measurements.
+// * @brief Registers used: CNFG_EMUX, CNFG_GEN, MNGR_INT, CNFG_ECG.
+// * @param En_ecg: ECG Channel Enable <CNFG_GEN register bits>
+// * @param Openp: Open the ECGN Input Switch (most often used for testing and calibration studies) <CNFG_EMUX register bits>
+// * @param Openn: Open the ECGN Input Switch (most often used for testing and calibration studies) <CNFG_EMUX register bits>
+// * @param Calp_sel: ECGP Calibration Selection <CNFG_EMUX register bits>
+// * @param Caln_sel: ECGN Calibration Selection <CNFG_EMUX register bits>
+// * @param E_fit: ECG FIFO Interrupt Threshold (issues EINT based on number of unread FIFO records) <CNFG_GEN register bits>
+// * @param Clr_rrint: RTOR R Detect Interrupt (RRINT) Clear Behavior <CNFG_GEN register bits>
+// * @param Rate: ECG Data Rate
+// * @param Gain: ECG Channel Gain Setting
+// * @param Dhpf: ECG Channel Digital High Pass Filter Cutoff Frequency
+// * @param Dlpf: ECG Channel Digital Low Pass Filter Cutoff Frequency
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int ECG_InitStart(uint8_t En_ecg, uint8_t Openp, uint8_t Openn,
+// uint8_t Pol, uint8_t Calp_sel, uint8_t Caln_sel,
+// uint8_t E_fit, uint8_t Rate, uint8_t Gain,
+// uint8_t Dhpf, uint8_t Dlpf);
+//
+// /**
+// * @brief For MAX30001/3 ONLY
+// * @brief This function enables the Fast mode feature of the ECG.
+// * @brief Registers used: MNGR_INT-0x04, MNGR_DYN-0x05
+// * @param Clr_Fast: FAST MODE Interrupt Clear Behavior <MNGR_INT Register>
+// * @param Fast: ECG Channel Fast Recovery Mode Selection (ECG High Pass Filter Bypass) <MNGR_DYN Register>
+// * @param Fast_Th: Automatic Fast Recovery Threshold
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int ECGFast_Init(uint8_t Clr_Fast, uint8_t Fast, uint8_t Fast_Th);
+//
+// /**
+// * @brief For MAX30001/3 ONLY
+// * @brief This function disables the ECG.
+// * @brief Uses Register CNFG_GEN-0x10.
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int Stop_ECG(void);
+//
+// /**
+// * @brief For MAX30001 ONLY
+// * @brief This function sets up the MAX30001 for pace signal detection.
+// * @brief If both PACE and BIOZ are turned ON, then make sure Fcgen is set for 80K or 40K in the
+// * @brief max30001_BIOZ_InitStart() function. However, if Only PACE is on but BIOZ off, then Fcgen can be set
+// * @brief for 80K only, in the max30001_BIOZ_InitStart() function
+// * @brief Registers used: MNGR_INT-0x04, CNFG_GEN-0x37, CNFG_PACE-0x1A.
+// * @param En_pace : PACE Channel Enable <CNFG_GEN Register>
+// * @param Clr_pedge : PACE Edge Detect Interrupt (PEDGE) Clear Behavior <MNGR_INT Register>
+// * @param Pol: PACE Input Polarity Selection <CNFG_PACE Register>
+// * @param Gn_diff_off: PACE Differentiator Mode <CNFG_PACE Register>
+// * @param Gain: PACE Channel Gain Selection <CNFG_PACE Register>
+// * @param Aout_lbw: PACE Analog Output Buffer Bandwidth Mode <CNFG_PACE Register>
+// * @param Aout: PACE Single Ended Analog Output Buffer Signal Monitoring Selection <CNFG_PACE Register>
+// * @param Dacp (4bits): PACE Detector Positive Comparator Threshold <CNFG_PACE Register>
+// * @param Dacn(4bits): PACE Detector Negative Comparator Threshold <CNFG_PACE Register>
+// * @returns 0-if no error. A non-zero value indicates an error <CNFG_PACE Register>
+// *
+// */
+// int PACE_InitStart(uint8_t En_pace, uint8_t Clr_pedge, uint8_t Pol,
+// uint8_t Gn_diff_off, uint8_t Gain,
+// uint8_t Aout_lbw, uint8_t Aout, uint8_t Dacp,
+// uint8_t Dacn);
+//
+// /**
+// *@brief For MAX30001 ONLY
+// *@param This function disables the PACE. Uses Register CNFG_GEN-0x10.
+// *@returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int Stop_PACE(void);
+//
+// /**
+// * @brief For MAX30001/2 ONLY
+// * @brief This function sets up the MAX30001 for BIOZ measurement.
+// * @brief Registers used: MNGR_INT-0x04, CNFG_GEN-0X10, CNFG_BMUX-0x17,CNFG_BIOZ-0x18.
+// * @param En_bioz: BIOZ Channel Enable <CNFG_GEN Register>
+// * @param Openp: Open the BIP Input Switch <CNFG_BMUX Register>
+// * @param Openn: Open the BIN Input Switch <CNFG_BMUX Register>
+// * @param Calp_sel: BIP Calibration Selection <CNFG_BMUX Register>
+// * @param Caln_sel: BIN Calibration Selection <CNFG_BMUX Register>
+// * @param CG_mode: BIOZ Current Generator Mode Selection <CNFG_BMUX Register>
+// * @param B_fit: BIOZ FIFO Interrupt Threshold (issues BINT based on number of unread FIFO records) <MNGR_INT Register>
+// * @param Rate: BIOZ Data Rate <CNFG_BIOZ Register>
+// * @param Ahpf: BIOZ/PACE Channel Analog High Pass Filter Cutoff Frequency and Bypass <CNFG_BIOZ Register>
+// * @param Ext_rbias: External Resistor Bias Enable <CNFG_BIOZ Register>
+// * @param Gain: BIOZ Channel Gain Setting <CNFG_BIOZ Register>
+// * @param Dhpf: BIOZ Channel Digital High Pass Filter Cutoff Frequency <CNFG_BIOZ Register>
+// * @param Dlpf: BIOZ Channel Digital Low Pass Filter Cutoff Frequency <CNFG_BIOZ Register>
+// * @param Fcgen: BIOZ Current Generator Modulation Frequency <CNFG_BIOZ Register>
+// * @param Cgmon: BIOZ Current Generator Monitor <CNFG_BIOZ Register>
+// * @param Cgmag: BIOZ Current Generator Magnitude <CNFG_BIOZ Register>
+// * @param Phoff: BIOZ Current Generator Modulation Phase Offset <CNFG_BIOZ Register>
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int BIOZ_InitStart(uint8_t En_bioz, uint8_t Openp, uint8_t Openn,
+// uint8_t Calp_sel, uint8_t Caln_sel,
+// uint8_t CG_mode,
+// /* uint8_t En_bioz,*/ uint8_t B_fit, uint8_t Rate,
+// uint8_t Ahpf, uint8_t Ext_rbias, uint8_t Gain,
+// uint8_t Dhpf, uint8_t Dlpf, uint8_t Fcgen,
+// uint8_t Cgmon, uint8_t Cgmag, uint8_t Phoff);
+//
+// /**
+// * @brief For MAX30001/2 ONLY
+// * @brief This function disables the BIOZ. Uses Register CNFG_GEN-0x10.
+// * @returns 0-if no error. A non-zero value indicates an error.
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int Stop_BIOZ(void);
+//
+// /**
+// * @brief For MAX30001/2 ONLY
+// * @brief BIOZ modulated Resistance Built-in-Self-Test, Registers used: CNFG_BMUX-0x17
+// * @param En_bist: Enable Modulated Resistance Built-in-Self-test <CNFG_BMUX Register>
+// * @param Rnom: BIOZ RMOD BIST Nominal Resistance Selection <CNFG_BMUX Register>
+// * @param Rmod: BIOZ RMOD BIST Modulated Resistance Selection <CNFG_BMUX Register>
+// * @param Fbist: BIOZ RMOD BIST Frequency Selection <CNFG_BMUX Register>
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int BIOZ_InitBist(uint8_t En_bist, uint8_t Rnom, uint8_t Rmod,
+// uint8_t Fbist);
+//
+// /**
+// * @brief For MAX30001/3/4 ONLY
+// * @brief Sets up the device for RtoR measurement
+// * @param EN_rtor: ECG RTOR Detection Enable <RTOR1 Register>
+// * @param Wndw: R to R Window Averaging (Window Width = RTOR_WNDW[3:0]*8mS) <RTOR1 Register>
+// * @param Gain: R to R Gain (where Gain = 2^RTOR_GAIN[3:0], plus an auto-scale option) <RTOR1 Register>
+// * @param Pavg: R to R Peak Averaging Weight Factor <RTOR1 Register>
+// * @param Ptsf: R to R Peak Threshold Scaling Factor <RTOR1 Register>
+// * @param Hoff: R to R minimum Hold Off <RTOR2 Register>
+// * @param Ravg: R to R Interval Averaging Weight Factor <RTOR2 Register>
+// * @param Rhsf: R to R Interval Hold Off Scaling Factor <RTOR2 Register>
+// * @param Clr_rrint: RTOR Detect Interrupt Clear behaviour <MNGR_INT Register>
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int RtoR_InitStart(uint8_t En_rtor, uint8_t Wndw, uint8_t Gain,
+// uint8_t Pavg, uint8_t Ptsf, uint8_t Hoff,
+// uint8_t Ravg, uint8_t Rhsf, uint8_t Clr_rrint);
+//
+// /**
+// * @brief For MAX30001/3/4 ONLY
+// * @brief This function disables the RtoR. Uses Register CNFG_RTOR1-0x1D
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int Stop_RtoR(void);
+//
+// /**
+// * @brief This is a function that waits for the PLL to lock; once a lock is achieved it exits out. (For convenience only)
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int PLL_lock(void);
+//
+// /**
+// * @brief This function causes the MAX30001 to reset. Uses Register SW_RST-0x08
+// * @return 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int sw_rst(void);
+//
+// /**
+// * @brief This function provides a SYNCH operation. Uses Register SYCNH-0x09. Please refer to the data sheet for
+// * @brief the details on how to use this.
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int synch(void);
+//
+// /**
+// * @brief This function performs a FIFO Reset. Uses Register FIFO_RST-0x0A. Please refer to the data sheet
+// * @brief for the details on how to use this.
+// * @returns 0-if no error. A non-zero value indicates an error.
+// */
+// int fifo_rst(void);
+//
+// /**
+// *
+// * @brief This is a callback function which collects all the data from the ECG, BIOZ, PACE and RtoR. It also handles
+// * @brief Lead On/Off. This function is passed through the argument of max30001_COMMinit().
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int int_handler(void);
+//
+// /**
+// * @brief This is function called from the max30001_int_handler() function and processes all the ECG, BIOZ, PACE
+// * @brief and the RtoR data and sticks them in appropriate arrays and variables each unsigned 32 bits.
+// * @param ECG data will be in the array (input): max30001_ECG_FIFO_buffer[]
+// * @param Pace data will be in the array (input): max30001_PACE[]
+// * @param RtoRdata will be in the variable (input): max30001_RtoR_data
+// * @param BIOZ data will be in the array (input): max30001_BIOZ_FIFO_buffer[]
+// * @param global max30001_ECG_FIFO_buffer[]
+// * @param global max30001_PACE[]
+// * @param global max30001_BIOZ_FIFO_buffer[]
+// * @param global max30001_RtoR_data
+// * @param global max30001_DCLeadOff
+// * @param global max30001_ACLeadOff
+// * @param global max30001_LeadON
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int FIFO_LeadONOff_Read(void);
+//
+// /**
+// * @brief This function allows writing to a register.
+// * @param addr: Address of the register to write to
+// * @param data: 24-bit data read from the register.
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int reg_write(MAX30001_REG_map_t addr, uint32_t data);
+//
+// /**
+// * @brief This function allows reading from a register
+// * @param addr: Address of the register to read from.
+// * @param *return_data: pointer to the value read from the register.
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int reg_read(MAX30001_REG_map_t addr, uint32_t *return_data);
+//
+// /**
+// * @brief This function enables the DC Lead Off detection. Either ECG or BIOZ can be detected, one at a time.
+// * @brief Registers Used: CNFG_GEN-0x10
+// * @param En_dcloff: BIOZ Digital Lead Off Detection Enable
+// * @param Ipol: DC Lead Off Current Polarity (if current sources are enabled/connected)
+// * @param Imag: DC Lead off current Magnitude Selection
+// * @param Vth: DC Lead Off Voltage Threshold Selection
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int Enable_DcLeadOFF_Init(int8_t En_dcloff, int8_t Ipol, int8_t Imag,
+// int8_t Vth);
+//
+// /**
+// * @brief This function disables the DC Lead OFF feature, whichever is active.
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int Disable_DcLeadOFF(void);
+//
+// /**
+// * @brief This function sets up the BIOZ for AC Lead Off test.
+// * @brief Registers Used: CNFG_GEN-0x10, MNGR_DYN-0x05
+// * @param En_bloff: BIOZ Digital Lead Off Detection Enable <CNFG_GEN register>
+// * @param Bloff_hi_it: DC Lead Off Current Polarity (if current sources are enabled/connected) <MNGR_DYN register>
+// * @param Bloff_lo_it: DC Lead off current Magnitude Selection <MNGR_DYN register>
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int BIOZ_Enable_ACLeadOFF_Init(uint8_t En_bloff, uint8_t Bloff_hi_it,
+// uint8_t Bloff_lo_it);
+//
+// /**
+// * @brief This function Turns of the BIOZ AC Lead OFF feature
+// * @brief Registers Used: CNFG_GEN-0x10
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int BIOZ_Disable_ACleadOFF(void);
+//
+// /**
+// * @brief This function enables the Current Gnerator Monitor
+// * @brief Registers Used: CNFG_BIOZ-0x18
+// * @returns 0-if no error. A non-zero value indicates an error.
+// *
+// */
+// int BIOZ_Enable_BCGMON(void);
+//
+// /**
+// *
+// * @brief This function enables the Lead ON detection. Either ECG or BIOZ can be detected, one at a time.
+// * @brief Also, the en_bioz, en_ecg, en_pace setting is saved so that when this feature is disabled through the
+// * @brief max30001_Disable_LeadON() function (or otherwise) the enable/disable state of those features can be retrieved.
+// * @param Channel: ECG or BIOZ detection
+// * @returns 0-if everything is good. A non-zero value indicates an error.
+// *
+// */
+// int Enable_LeadON(int8_t Channel);
+//
+// /**
+// * @brief This function turns off the Lead ON feature, whichever one is active. Also, retrieves the en_bioz,
+// * @brief en_ecg, en_pace and sets it back to as it was.
+// * @param 0-if everything is good. A non-zero value indicates an error.
+// *
+// */
+// int Disable_LeadON(void);
+//
+// /**
+// *
+// * @brief This function is toggled every 2 seconds to switch between ECG Lead ON and BIOZ Lead ON detect
+// * @brief Adjust LEADOFF_SERVICE_TIME to determine the duration between the toggles.
+// * @param CurrentTime - This gets fed the time by RTC_GetValue function
+// *
+// */
+// void ServiceLeadON(uint32_t currentTime);
+//
+// /**
+// *
+// * @brief This function is toggled every 2 seconds to switch between ECG DC Lead Off and BIOZ DC Lead Off
+// * @brief Adjust LEADOFF_SERVICE_TIME to determine the duration between the toggles.
+// * @param CurrentTime - This gets fed the time by RTC_GetValue function
+// *
+// */
+// void ServiceLeadoff(uint32_t currentTime);
+//
+// /**
+// *
+// * @brief This function sets current RtoR values and fmstr values in a pointer structure
+// * @param hspValMax30001 - Pointer to a structure where to store the values
+// *
+// */
+// void ReadHeartrateData(max30001_bledata_t *_hspValMax30001);
+//
+// /**
+// * @brief type definition for data interrupt
+// */
+// typedef void (*PtrFunction)(uint32_t id, uint32_t *buffer, uint32_t length);
+//
+// /**
+// * @brief Used to connect a callback for when interrupt data is available
+// */
+// void onDataAvailable(PtrFunction _onDataAvailable);
+//
+//
+//
+// /**
+// * @brief Preventive measure used to dismiss interrupts that fire too early during
+// * @brief initialization on INTB line
+// *
+// */
+// static void Mid_IntB_Handler(void);
+//
+// /**
+// * @brief Preventive measure used to dismiss interrupts that fire too early during
+// * @brief initialization on INT2B line
+// *
+// */
+// static void Mid_Int2B_Handler(void);
+//
+// /**
+// * @brief Allows Interrupts to be accepted as valid.
+// * @param state: 1-Allow interrupts, Any-Don't allow interrupts.
+// *
+// */
+// void AllowInterrupts(int state);
+//
+//
+// /// @brief function pointer to the async callback
+// static event_callback_t functionpointer;
+//
+// /// @brief flag used to indicate an async xfer has taken place
+// static volatile int xferFlag;
+//
+// /**
+// * @brief Callback handler for SPI async events
+// * @param events description of event that occurred
+// */
+// static void spiHandler(int events);
+//
+//
+// static MAX30001 *instance;
+//
+//private:
+//
+// /**
+// * @brief Used to notify an external function that interrupt data is available
+// * @param id type of data available
+// * @param buffer 32-bit buffer that points to the data
+// * @param length length of 32-bit elements available
+// */
+// void dataAvailable(uint32_t id, uint32_t *buffer, uint32_t length);
+//
+// /**
+// * @brief Transmit and recieve QUAD SPI data
+// * @param tx_buf pointer to transmit byte buffer
+// * @param tx_size number of bytes to transmit
+// * @param rx_buf pointer to the recieve buffer
+// * @param rx_size number of bytes to recieve
+// */
+// int SPI_Transmit(const uint8_t *tx_buf, uint32_t tx_size, uint8_t *rx_buf,
+// uint32_t rx_size);
+//
+// /// pointer to mbed SPI object
+// SPI *spi;
+// /// is this object the owner of the spi object
+// bool spi_owner;
+// /// buffer to use for async transfers
+// uint8_t buffer[ASYNC_SPI_BUFFER_SIZE];
+// /// function pointer to the async callback
+// // event_callback_t functionpointer;
+// /// callback function when interrupt data is available
+// PtrFunction onDataAvailableCallback;
+//
+//}; // End of MAX30001 Class
+//
+//
+//#endif /* MAX30001_H_ */
+//
+
+
+/*******************************************************************************
+* Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+* OTHER DEALINGS IN THE SOFTWARE.
+*
+* Except as contained in this notice, the name of Maxim Integrated
+* Products, Inc. shall not be used except as stated in the Maxim Integrated
+* Products, Inc. Branding Policy.
+*
+* The mere transfer of this software does not imply any licenses
+* of trade secrets, proprietary technology, copyrights, patents,
+* trademarks, maskwork rights, or any other form of intellectual
+* property whatsoever. Maxim Integrated Products, Inc. retains all
+* ownership rights.
+*******************************************************************************/
+/*
+ * max30001.h
+ *
+ * Created on: Oct 9, 2015
+ * Author: faisal.tariq
+ */
+
+#ifndef MAX30001_H_
+#define MAX30001_H_
+
+#include "mbed.h"
+
+#define mbed_COMPLIANT // Uncomment to Use timer for MAX30001 FCLK (for mbed)
+ // Comment to use the RTC clock
+
+#define ASYNC_SPI_BUFFER_SIZE (32 * 3) // Maximimum buffer size for async byte transfers
+
+// Defines for data callbacks
+#define MAX30001_DATA_ECG 0x30
+#define MAX30001_DATA_PACE 0x31
+#define MAX30001_DATA_RTOR 0x32
+#define MAX30001_DATA_BIOZ 0x33
+#define MAX30001_DATA_LEADOFF_DC 0x34
+#define MAX30001_DATA_LEADOFF_AC 0x35
+#define MAX30001_DATA_BCGMON 0x36
+#define MAX30001_DATA_ACLEADON 0x37
+
+#define MAX30001_SPI_MASTER_PORT 0
+#define MAX30001_SPI_SS_INDEX 0
+
+#define MAX30001_INT_PORT_B 3
+#define MAX30001_INT_PIN_B 6
+
+#define MAX30001_INT_PORT_2B 4
+#define MAX30001_INT_PIN_2B 5
+
+#define MAX30001_INT_PORT_FCLK 1
+#define MAX30001_INT_PIN_FCLK 7
+
+#define MAX30001_FUNC_SEL_TMR 2 // 0=FW Control, 1= Pulse Train, 2=Timer
+
+#define MAX30001_INDEX 3
+#define MAX30001_POLARITY 0
+#define MAX30001_PERIOD 30518
+#define MAX30001_CYCLE 50
+
+#define MAX30001_IOMUX_IO_ENABLE 1
+
+#define MAX30001_SPI_PORT 0
+#define MAX30001_CS_PIN 0
+#define MAX30001_CS_POLARITY 0
+#define MAX30001_CS_ACTIVITY_DELAY 0
+#define MAX30001_CS_INACTIVITY_DELAY 0
+#define MAX30001_CLK_HI 1
+#define MAX30001_CLK_LOW 1
+#define MAX30001_ALT_CLK 0
+#define MAX30001_CLK_POLARITY 0
+#define MAX30001_CLK_PHASE 0
+#define MAX30001_WRITE 1
+#define MAX30001_READ 0
+
+#define MAX30001_INT_PORT_B 3
+#define MAX30001INT_PIN_B 6
+
+void MAX30001_AllowInterrupts(int state);
+
+/**
+* Maxim Integrated MAX30001 ECG/BIOZ chip
+*/
+class MAX30001 {
+
+public:
+ typedef enum { // MAX30001 Register addresses
+ STATUS = 0x01,
+ EN_INT = 0x02,
+ EN_INT2 = 0x03,
+ MNGR_INT = 0x04,
+ MNGR_DYN = 0x05,
+ SW_RST = 0x08,
+ SYNCH = 0x09,
+ FIFO_RST = 0x0A,
+ INFO = 0x0F,
+ CNFG_GEN = 0x10,
+ CNFG_CAL = 0x12,
+ CNFG_EMUX = 0x14,
+ CNFG_ECG = 0x15,
+ CNFG_BMUX = 0x17,
+ CNFG_BIOZ = 0x18,
+ CNFG_PACE = 0x1A,
+ CNFG_RTOR1 = 0x1D,
+ CNFG_RTOR2 = 0x1E,
+
+ // Data locations
+ ECG_FIFO_BURST = 0x20,
+ ECG_FIFO = 0x21,
+ FIFO_BURST = 0x22,
+ BIOZ_FIFO = 0x23,
+ RTOR = 0x25,
+
+ PACE0_FIFO_BURST = 0x30,
+ PACE0_A = 0x31,
+ PACE0_B = 0x32,
+ PACE0_C = 0x33,
+
+ PACE1_FIFO_BURST = 0x34,
+ PACE1_A = 0x35,
+ PACE1_B = 0x36,
+ PACE1_C = 0x37,
+
+ PACE2_FIFO_BURST = 0x38,
+ PACE2_A = 0x39,
+ PACE2_B = 0x3A,
+ PACE2_C = 0x3B,
+
+ PACE3_FIFO_BURST = 0x3C,
+ PACE3_A = 0x3D,
+ PACE3_B = 0x3E,
+ PACE3_C = 0x3F,
+
+ PACE4_FIFO_BURST = 0x40,
+ PACE4_A = 0x41,
+ PACE4_B = 0x42,
+ PACE4_C = 0x43,
+
+ PACE5_FIFO_BURST = 0x44,
+ PACE5_A = 0x45,
+ PACE5_B = 0x46,
+ PACE5_C = 0x47,
+
+ } MAX30001_REG_map_t;
+
+ /**
+ * @brief STATUS (0x01)
+ */
+ union max30001_status_reg {
+ uint32_t all;
+
+ struct {
+ uint32_t loff_nl : 1;
+ uint32_t loff_nh : 1;
+ uint32_t loff_pl : 1;
+ uint32_t loff_ph : 1;
+
+ uint32_t bcgmn : 1;
+ uint32_t bcgmp : 1;
+ uint32_t reserved1 : 1;
+ uint32_t reserved2 : 1;
+
+ uint32_t pllint : 1;
+ uint32_t samp : 1;
+ uint32_t rrint : 1;
+ uint32_t lonint : 1;
+
+ uint32_t pedge : 1;
+ uint32_t povf : 1;
+ uint32_t pint : 1;
+ uint32_t bcgmon : 1;
+
+ uint32_t bundr : 1;
+ uint32_t bover : 1;
+ uint32_t bovf : 1;
+ uint32_t bint : 1;
+
+ uint32_t dcloffint : 1;
+ uint32_t fstint : 1;
+ uint32_t eovf : 1;
+ uint32_t eint : 1;
+
+ uint32_t reserved : 8;
+
+ } bit;
+
+ } max30001_status;
+
+
+ /**
+ * @brief EN_INT (0x02)
+ */
+
+ union max30001_en_int_reg {
+ uint32_t all;
+
+ struct {
+ uint32_t intb_type : 2;
+ uint32_t reserved1 : 1;
+ uint32_t reserved2 : 1;
+
+ uint32_t reserved3 : 1;
+ uint32_t reserved4 : 1;
+ uint32_t reserved5 : 1;
+ uint32_t reserved6 : 1;
+
+ uint32_t en_pllint : 1;
+ uint32_t en_samp : 1;
+ uint32_t en_rrint : 1;
+ uint32_t en_lonint : 1;
+
+ uint32_t en_pedge : 1;
+ uint32_t en_povf : 1;
+ uint32_t en_pint : 1;
+ uint32_t en_bcgmon : 1;
+
+ uint32_t en_bundr : 1;
+ uint32_t en_bover : 1;
+ uint32_t en_bovf : 1;
+ uint32_t en_bint : 1;
+
+ uint32_t en_dcloffint : 1;
+ uint32_t en_fstint : 1;
+ uint32_t en_eovf : 1;
+ uint32_t en_eint : 1;
+
+ uint32_t reserved : 8;
+
+ } bit;
+
+ } max30001_en_int;
+
+
+ /**
+ * @brief EN_INT2 (0x03)
+ */
+ union max30001_en_int2_reg {
+ uint32_t all;
+
+ struct {
+ uint32_t intb_type : 2;
+ uint32_t reserved1 : 1;
+ uint32_t reserved2 : 1;
+
+ uint32_t reserved3 : 1;
+ uint32_t reserved4 : 1;
+ uint32_t reserved5 : 1;
+ uint32_t reserved6 : 1;
+
+ uint32_t en_pllint : 1;
+ uint32_t en_samp : 1;
+ uint32_t en_rrint : 1;
+ uint32_t en_lonint : 1;
+
+ uint32_t en_pedge : 1;
+ uint32_t en_povf : 1;
+ uint32_t en_pint : 1;
+ uint32_t en_bcgmon : 1;
+
+ uint32_t en_bundr : 1;
+ uint32_t en_bover : 1;
+ uint32_t en_bovf : 1;
+ uint32_t en_bint : 1;
+
+ uint32_t en_dcloffint : 1;
+ uint32_t en_fstint : 1;
+ uint32_t en_eovf : 1;
+ uint32_t en_eint : 1;
+
+ uint32_t reserved : 8;
+
+ } bit;
+
+ } max30001_en_int2;
+
+ /**
+ * @brief MNGR_INT (0x04)
+ */
+ union max30001_mngr_int_reg {
+ uint32_t all;
+
+ struct {
+ uint32_t samp_it : 2;
+ uint32_t clr_samp : 1;
+ uint32_t clr_pedge : 1;
+ uint32_t clr_rrint : 2;
+ uint32_t clr_fast : 1;
+ uint32_t reserved1 : 1;
+ uint32_t reserved2 : 4;
+ uint32_t reserved3 : 4;
+
+ uint32_t b_fit : 3;
+ uint32_t e_fit : 5;
+
+ uint32_t reserved : 8;
+
+ } bit;
+
+ } max30001_mngr_int;
+
+ /**
+ * @brief MNGR_DYN (0x05)
+ */
+ union max30001_mngr_dyn_reg {
+ uint32_t all;
+
+ struct {
+ uint32_t bloff_lo_it : 8;
+ uint32_t bloff_hi_it : 8;
+ uint32_t fast_th : 6;
+ uint32_t fast : 2;
+ uint32_t reserved : 8;
+ } bit;
+
+ } max30001_mngr_dyn;
+
+ // 0x08
+ // uint32_t max30001_sw_rst;
+
+ // 0x09
+ // uint32_t max30001_synch;
+
+ // 0x0A
+ // uint32_t max30001_fifo_rst;
+
+
+ /**
+ * @brief INFO (0x0F)
+ */
+ union max30001_info_reg {
+ uint32_t all;
+ struct {
+ uint32_t serial : 12;
+ uint32_t part_id : 2;
+ uint32_t sample : 1;
+ uint32_t reserved1 : 1;
+ uint32_t rev_id : 4;
+ uint32_t pattern : 4;
+ uint32_t reserved : 8;
+ } bit;
+
+ } max30001_info;
+
+ /**
+ * @brief CNFG_GEN (0x10)
+ */
+ union max30001_cnfg_gen_reg {
+ uint32_t all;
+ struct {
+ uint32_t rbiasn : 1;
+ uint32_t rbiasp : 1;
+ uint32_t rbiasv : 2;
+ uint32_t en_rbias : 2;
+ uint32_t vth : 2;
+ uint32_t imag : 3;
+ uint32_t ipol : 1;
+ uint32_t en_dcloff : 2;
+ uint32_t en_bloff : 2;
+ uint32_t reserved1 : 1;
+ uint32_t en_pace : 1;
+ uint32_t en_bioz : 1;
+ uint32_t en_ecg : 1;
+ uint32_t fmstr : 2;
+ uint32_t en_ulp_lon : 2;
+ uint32_t reserved : 8;
+ } bit;
+
+ } max30001_cnfg_gen;
+
+
+ /**
+ * @brief CNFG_CAL (0x12)
+ */
+ union max30001_cnfg_cal_reg {
+ uint32_t all;
+ struct {
+ uint32_t thigh : 11;
+ uint32_t fifty : 1;
+ uint32_t fcal : 3;
+ uint32_t reserved1 : 5;
+ uint32_t vmag : 1;
+ uint32_t vmode : 1;
+ uint32_t en_vcal : 1;
+ uint32_t reserved2 : 1;
+ uint32_t reserved : 8;
+ } bit;
+
+ } max30001_cnfg_cal;
+
+ /**
+ * @brief CNFG_EMUX (0x14)
+ */
+ union max30001_cnfg_emux_reg {
+ uint32_t all;
+ struct {
+ uint32_t reserved1 : 16;
+ uint32_t caln_sel : 2;
+ uint32_t calp_sel : 2;
+ uint32_t openn : 1;
+ uint32_t openp : 1;
+ uint32_t reserved2 : 1;
+ uint32_t pol : 1;
+ uint32_t reserved : 8;
+ } bit;
+
+ } max30001_cnfg_emux;
+
+
+ /**
+ * @brief CNFG_ECG (0x15)
+ */
+ union max30001_cnfg_ecg_reg {
+ uint32_t all;
+ struct {
+ uint32_t reserved1 : 12;
+ uint32_t dlpf : 2;
+ uint32_t dhpf : 1;
+ uint32_t reserved2 : 1;
+ uint32_t gain : 2;
+ uint32_t reserved3 : 4;
+ uint32_t rate : 2;
+
+ uint32_t reserved : 8;
+ } bit;
+
+ } max30001_cnfg_ecg;
+
+ /**
+ * @brief CNFG_BMUX (0x17)
+ */
+ union max30001_cnfg_bmux_reg {
+ uint32_t all;
+ struct {
+ uint32_t fbist : 2;
+ uint32_t reserved1 : 2;
+ uint32_t rmod : 3;
+ uint32_t reserved2 : 1;
+ uint32_t rnom : 3;
+ uint32_t en_bist : 1;
+ uint32_t cg_mode : 2;
+ uint32_t reserved3 : 2;
+ uint32_t caln_sel : 2;
+ uint32_t calp_sel : 2;
+ uint32_t openn : 1;
+ uint32_t openp : 1;
+ uint32_t reserved4 : 2;
+ uint32_t reserved : 8;
+ } bit;
+
+ } max30001_cnfg_bmux;
+
+ /**
+ * @brief CNFG_BIOZ (0x18)
+ */
+ union max30001_bioz_reg {
+ uint32_t all;
+ struct {
+ uint32_t phoff : 4;
+ uint32_t cgmag : 3;
+ uint32_t cgmon : 1;
+ uint32_t fcgen : 4;
+ uint32_t dlpf : 2;
+ uint32_t dhpf : 2;
+ uint32_t gain : 2;
+ uint32_t reserved1 : 1;
+ uint32_t ext_rbias : 1;
+ uint32_t ahpf : 3;
+ uint32_t rate : 1;
+ uint32_t reserved : 8;
+ } bit;
+
+ } max30001_cnfg_bioz;
+
+
+ /**
+ * @brief CNFG_PACE (0x1A)
+ */
+ union max30001_cnfg_pace_reg {
+ uint32_t all;
+
+ struct {
+ uint32_t dacn : 4;
+ uint32_t dacp : 4;
+ uint32_t reserved1 : 4;
+ uint32_t aout : 2;
+ uint32_t aout_lbw : 1;
+ uint32_t reserved2 : 1;
+ uint32_t gain : 3;
+ uint32_t gn_diff_off : 1;
+ uint32_t reserved3 : 3;
+ uint32_t pol : 1;
+ uint32_t reserved : 8;
+ } bit;
+
+ } max30001_cnfg_pace;
+
+ /**
+ * @brief CNFG_RTOR1 (0x1D)
+ */
+ union max30001_cnfg_rtor1_reg {
+ uint32_t all;
+ struct {
+ uint32_t reserved1 : 8;
+ uint32_t ptsf : 4;
+ uint32_t pavg : 2;
+ uint32_t reserved2 : 1;
+ uint32_t en_rtor : 1;
+ uint32_t gain : 4;
+ uint32_t wndw : 4;
+ uint32_t reserved : 8;
+ } bit;
+
+ } max30001_cnfg_rtor1;
+
+ /**
+ * @brief CNFG_RTOR2 (0x1E)
+ */
+ union max30001_cnfg_rtor2_reg {
+ uint32_t all;
+ struct {
+ uint32_t reserved1 : 8;
+ uint32_t rhsf : 3;
+ uint32_t reserved2 : 1;
+ uint32_t ravg : 2;
+ uint32_t reserved3 : 2;
+ uint32_t hoff : 6;
+ uint32_t reserved4 : 2;
+ uint32_t reserved : 8;
+ } bit;
+
+ } max30001_cnfg_rtor2;
+
+ /*********************************************************************************/
+
+ typedef enum {
+ MAX30001_NO_INT = 0, // No interrupt
+ MAX30001_INT_B = 1, // INTB selected for interrupt
+ MAX30001_INT_2B = 2 // INT2B selected for interrupt
+ } max30001_intrpt_Location_t;
+
+ typedef enum {
+ MAX30001_INT_DISABLED = 0b00,
+ MAX30001_INT_CMOS = 0b01,
+ MAX30001_INT_ODN = 0b10,
+ MAX30001_INT_ODNR = 0b11
+ } max30001_intrpt_type_t;
+
+ typedef enum { // Input Polarity selection
+ MAX30001_NON_INV = 0, // Non-Inverted
+ MAX30001_INV = 1 // Inverted
+ } max30001_emux_pol;
+
+ typedef enum { // OPENP and OPENN setting
+ MAX30001_ECG_CON_AFE = 0, // ECGx is connected to AFE channel
+ MAX30001_ECG_ISO_AFE = 1 // ECGx is isolated from AFE channel
+ } max30001_emux_openx;
+
+ typedef enum { // EMUX_CALP_SEL & EMUX_CALN_SEL
+ MAX30001_NO_CAL_SIG = 0b00, // No calibration signal is applied
+ MAX30001_INPT_VMID = 0b01, // Input is connected to VMID
+ MAX30001_INPT_VCALP = 0b10, // Input is connected to VCALP
+ MAX30001_INPT_VCALN = 0b11 // Input is connected to VCALN
+ } max30001_emux_calx_sel;
+
+ typedef enum { // EN_ECG, EN_BIOZ, EN_PACE
+ MAX30001_CHANNEL_DISABLED = 0b0, //
+ MAX30001_CHANNEL_ENABLED = 0b1
+ } max30001_en_feature;
+
+ /*********************************************************************************/
+ // Data
+ uint32_t max30001_ECG_FIFO_buffer[32]; // (303 for internal test)
+ uint32_t max30001_BIOZ_FIFO_buffer[8]; // (303 for internal test)
+
+ uint32_t max30001_PACE[18]; // Pace Data 0-5
+
+ uint32_t max30001_RtoR_data; // This holds the RtoR data
+
+ uint32_t max30001_DCLeadOff; // This holds the LeadOff data, Last 4 bits give
+ // the status, BIT3=LOFF_PH, BIT2=LOFF_PL,
+ // BIT1=LOFF_NH, BIT0=LOFF_NL
+ // 8th and 9th bits tell Lead off is due to ECG or BIOZ.
+ // 0b01 = ECG Lead Off and 0b10 = BIOZ Lead off
+
+ uint32_t max30001_ACLeadOff; // This gives the state of the BIOZ AC Lead Off
+ // state. BIT 1 = BOVER, BIT 0 = BUNDR
+
+ uint32_t max30001_bcgmon; // This holds the BCGMON data, BIT 1 = BCGMP, BIT0 =
+ // BCGMN
+
+ uint32_t max30001_LeadOn; // This holds the LeadOn data, BIT1 = BIOZ Lead ON,
+ // BIT0 = ECG Lead ON, BIT8= Lead On Status Bit
+
+ uint32_t max30001_timeout; // If the PLL does not respond, timeout and get out.
+
+ typedef struct { // Creating a structure for BLE data
+ int16_t R2R;
+ int16_t fmstr;
+ } max30001_t;
+
+ max30001_t hspValMax30001; // R2R, FMSTR
+
+ /**
+ * @brief Constructor that accepts pin names for the SPI interface
+ * @param spi pointer to the mbed SPI object
+ */
+ MAX30001(SPI *spi);
+
+ /**
+ * @brief Constructor that accepts pin names for the SPI interface
+ * @param mosi master out slave in pin name
+ * @param miso master in slave out pin name
+ * @param sclk serial clock pin name
+ * @param cs chip select pin name
+ */
+ MAX30001(PinName mosi, PinName miso, PinName sclk, PinName cs);
+
+ /**
+ * MAX30001 destructor
+ */
+ ~MAX30001(void);
+
+ /**
+ * @brief This function sets up the Resistive Bias mode and also selects the master clock frequency.
+ * @brief Uses Register: CNFG_GEN-0x10
+ * @param En_rbias: Enable and Select Resitive Lead Bias Mode
+ * @param Rbiasv: Resistive Bias Mode Value Selection
+ * @param Rbiasp: Enables Resistive Bias on Positive Input
+ * @param Rbiasn: Enables Resistive Bias on Negative Input
+ * @param Fmstr: Selects Master Clock Frequency
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_Rbias_FMSTR_Init(uint8_t En_rbias, uint8_t Rbiasv,
+ uint8_t Rbiasp, uint8_t Rbiasn, uint8_t Fmstr);
+
+ /**
+ * @brief This function uses sets up the calibration signal internally. If it is desired to use the internal signal, then
+ * @brief this function must be called and the registers set, prior to setting the CALP_SEL and CALN_SEL in the ECG_InitStart
+ * @brief and BIOZ_InitStart functions.
+ * @brief Uses Register: CNFG_CAL-0x12
+ * @param En_Vcal: Calibration Source (VCALP and VCALN) Enable
+ * @param Vmode: Calibration Source Mode Selection
+ * @param Vmag: Calibration Source Magnitude Selection (VMAG)
+ * @param Fcal: Calibration Source Frequency Selection (FCAL)
+ * @param Thigh: Calibration Source Time High Selection
+ * @param Fifty: Calibration Source Duty Cycle Mode Selection
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_CAL_InitStart(uint8_t En_Vcal, uint8_t Vmode, uint8_t Vmag,
+ uint8_t Fcal, uint16_t Thigh, uint8_t Fifty);
+
+ /**
+ * @brief This function disables the VCAL signal
+ * @returns 0-if no error. A non-zero value indicates an error.
+ */
+ int max30001_CAL_Stop(void);
+
+ /**
+ * @brief This function handles the assignment of the two interrupt pins (INTB & INT2B) with various
+ * @brief functions/behaviors of the MAX30001. Also, each pin can be configured for different drive capability.
+ * @brief Uses Registers: EN_INT-0x02 and EN_INT2-0x03.
+ * @param max30001_intrpt_Locatio_t <argument>: All the arguments with the aforementioned enumeration essentially
+ * can be configured to generate an interrupt on either INTB or INT2B or NONE.
+ * @param max30001_intrpt_type_t intb_Type: INTB Port Type (EN_INT Selections).
+ * @param max30001_intrpt_type _t int2b_Type: INT2B Port Type (EN_INT2 Selections)
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_INT_assignment(max30001_intrpt_Location_t en_enint_loc, max30001_intrpt_Location_t en_eovf_loc, max30001_intrpt_Location_t en_fstint_loc,
+ max30001_intrpt_Location_t en_dcloffint_loc, max30001_intrpt_Location_t en_bint_loc, max30001_intrpt_Location_t en_bovf_loc,
+ max30001_intrpt_Location_t en_bover_loc, max30001_intrpt_Location_t en_bundr_loc, max30001_intrpt_Location_t en_bcgmon_loc,
+ max30001_intrpt_Location_t en_pint_loc, max30001_intrpt_Location_t en_povf_loc, max30001_intrpt_Location_t en_pedge_loc,
+ max30001_intrpt_Location_t en_lonint_loc, max30001_intrpt_Location_t en_rrint_loc, max30001_intrpt_Location_t en_samp_loc,
+ max30001_intrpt_type_t intb_Type, max30001_intrpt_type_t int2b_Type);
+
+
+
+ /**
+ * @brief For MAX30001/3 ONLY
+ * @brief This function sets up the MAX30001 for the ECG measurements.
+ * @brief Registers used: CNFG_EMUX, CNFG_GEN, MNGR_INT, CNFG_ECG.
+ * @param En_ecg: ECG Channel Enable <CNFG_GEN register bits>
+ * @param Openp: Open the ECGN Input Switch (most often used for testing and calibration studies) <CNFG_EMUX register bits>
+ * @param Openn: Open the ECGN Input Switch (most often used for testing and calibration studies) <CNFG_EMUX register bits>
+ * @param Calp_sel: ECGP Calibration Selection <CNFG_EMUX register bits>
+ * @param Caln_sel: ECGN Calibration Selection <CNFG_EMUX register bits>
+ * @param E_fit: ECG FIFO Interrupt Threshold (issues EINT based on number of unread FIFO records) <CNFG_GEN register bits>
+ * @param Clr_rrint: RTOR R Detect Interrupt (RRINT) Clear Behavior <CNFG_GEN register bits>
+ * @param Rate: ECG Data Rate
+ * @param Gain: ECG Channel Gain Setting
+ * @param Dhpf: ECG Channel Digital High Pass Filter Cutoff Frequency
+ * @param Dlpf: ECG Channel Digital Low Pass Filter Cutoff Frequency
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_ECG_InitStart(uint8_t En_ecg, uint8_t Openp, uint8_t Openn,
+ uint8_t Pol, uint8_t Calp_sel, uint8_t Caln_sel,
+ uint8_t E_fit, uint8_t Rate, uint8_t Gain,
+ uint8_t Dhpf, uint8_t Dlpf);
+
+ /**
+ * @brief For MAX30001/3 ONLY
+ * @brief This function enables the Fast mode feature of the ECG.
+ * @brief Registers used: MNGR_INT-0x04, MNGR_DYN-0x05
+ * @param Clr_Fast: FAST MODE Interrupt Clear Behavior <MNGR_INT Register>
+ * @param Fast: ECG Channel Fast Recovery Mode Selection (ECG High Pass Filter Bypass) <MNGR_DYN Register>
+ * @param Fast_Th: Automatic Fast Recovery Threshold
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_ECGFast_Init(uint8_t Clr_Fast, uint8_t Fast, uint8_t Fast_Th);
+
+ /**
+ * @brief For MAX30001/3 ONLY
+ * @brief This function disables the ECG.
+ * @brief Uses Register CNFG_GEN-0x10.
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_Stop_ECG(void);
+
+ /**
+ * @brief For MAX30001 ONLY
+ * @brief This function sets up the MAX30001 for pace signal detection.
+ * @brief If both PACE and BIOZ are turned ON, then make sure Fcgen is set for 80K or 40K in the
+ * @brief max30001_BIOZ_InitStart() function. However, if Only PACE is on but BIOZ off, then Fcgen can be set
+ * @brief for 80K only, in the max30001_BIOZ_InitStart() function
+ * @brief Registers used: MNGR_INT-0x04, CNFG_GEN-0x37, CNFG_PACE-0x1A.
+ * @param En_pace : PACE Channel Enable <CNFG_GEN Register>
+ * @param Clr_pedge : PACE Edge Detect Interrupt (PEDGE) Clear Behavior <MNGR_INT Register>
+ * @param Pol: PACE Input Polarity Selection <CNFG_PACE Register>
+ * @param Gn_diff_off: PACE Differentiator Mode <CNFG_PACE Register>
+ * @param Gain: PACE Channel Gain Selection <CNFG_PACE Register>
+ * @param Aout_lbw: PACE Analog Output Buffer Bandwidth Mode <CNFG_PACE Register>
+ * @param Aout: PACE Single Ended Analog Output Buffer Signal Monitoring Selection <CNFG_PACE Register>
+ * @param Dacp (4bits): PACE Detector Positive Comparator Threshold <CNFG_PACE Register>
+ * @param Dacn(4bits): PACE Detector Negative Comparator Threshold <CNFG_PACE Register>
+ * @returns 0-if no error. A non-zero value indicates an error <CNFG_PACE Register>
+ *
+ */
+ int max30001_PACE_InitStart(uint8_t En_pace, uint8_t Clr_pedge, uint8_t Pol,
+ uint8_t Gn_diff_off, uint8_t Gain,
+ uint8_t Aout_lbw, uint8_t Aout, uint8_t Dacp,
+ uint8_t Dacn);
+
+ /**
+ *@brief For MAX30001 ONLY
+ *@param This function disables the PACE. Uses Register CNFG_GEN-0x10.
+ *@returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_Stop_PACE(void);
+
+ /**
+ * @brief For MAX30001/2 ONLY
+ * @brief This function sets up the MAX30001 for BIOZ measurement.
+ * @brief Registers used: MNGR_INT-0x04, CNFG_GEN-0X10, CNFG_BMUX-0x17,CNFG_BIOZ-0x18.
+ * @param En_bioz: BIOZ Channel Enable <CNFG_GEN Register>
+ * @param Openp: Open the BIP Input Switch <CNFG_BMUX Register>
+ * @param Openn: Open the BIN Input Switch <CNFG_BMUX Register>
+ * @param Calp_sel: BIP Calibration Selection <CNFG_BMUX Register>
+ * @param Caln_sel: BIN Calibration Selection <CNFG_BMUX Register>
+ * @param CG_mode: BIOZ Current Generator Mode Selection <CNFG_BMUX Register>
+ * @param B_fit: BIOZ FIFO Interrupt Threshold (issues BINT based on number of unread FIFO records) <MNGR_INT Register>
+ * @param Rate: BIOZ Data Rate <CNFG_BIOZ Register>
+ * @param Ahpf: BIOZ/PACE Channel Analog High Pass Filter Cutoff Frequency and Bypass <CNFG_BIOZ Register>
+ * @param Ext_rbias: External Resistor Bias Enable <CNFG_BIOZ Register>
+ * @param Gain: BIOZ Channel Gain Setting <CNFG_BIOZ Register>
+ * @param Dhpf: BIOZ Channel Digital High Pass Filter Cutoff Frequency <CNFG_BIOZ Register>
+ * @param Dlpf: BIOZ Channel Digital Low Pass Filter Cutoff Frequency <CNFG_BIOZ Register>
+ * @param Fcgen: BIOZ Current Generator Modulation Frequency <CNFG_BIOZ Register>
+ * @param Cgmon: BIOZ Current Generator Monitor <CNFG_BIOZ Register>
+ * @param Cgmag: BIOZ Current Generator Magnitude <CNFG_BIOZ Register>
+ * @param Phoff: BIOZ Current Generator Modulation Phase Offset <CNFG_BIOZ Register>
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_BIOZ_InitStart(uint8_t En_bioz, uint8_t Openp, uint8_t Openn,
+ uint8_t Calp_sel, uint8_t Caln_sel,
+ uint8_t CG_mode,
+ /* uint8_t En_bioz,*/ uint8_t B_fit, uint8_t Rate,
+ uint8_t Ahpf, uint8_t Ext_rbias, uint8_t Gain,
+ uint8_t Dhpf, uint8_t Dlpf, uint8_t Fcgen,
+ uint8_t Cgmon, uint8_t Cgmag, uint8_t Phoff);
+
+ /**
+ * @brief For MAX30001/2 ONLY
+ * @brief This function disables the BIOZ. Uses Register CNFG_GEN-0x10.
+ * @returns 0-if no error. A non-zero value indicates an error.
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_Stop_BIOZ(void);
+
+ /**
+ * @brief For MAX30001/2 ONLY
+ * @brief BIOZ modulated Resistance Built-in-Self-Test, Registers used: CNFG_BMUX-0x17
+ * @param En_bist: Enable Modulated Resistance Built-in-Self-test <CNFG_BMUX Register>
+ * @param Rnom: BIOZ RMOD BIST Nominal Resistance Selection <CNFG_BMUX Register>
+ * @param Rmod: BIOZ RMOD BIST Modulated Resistance Selection <CNFG_BMUX Register>
+ * @param Fbist: BIOZ RMOD BIST Frequency Selection <CNFG_BMUX Register>
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_BIOZ_InitBist(uint8_t En_bist, uint8_t Rnom, uint8_t Rmod,
+ uint8_t Fbist);
+
+ /**
+ * @brief For MAX30001/3/4 ONLY
+ * @brief Sets up the device for RtoR measurement
+ * @param EN_rtor: ECG RTOR Detection Enable <RTOR1 Register>
+ * @param Wndw: R to R Window Averaging (Window Width = RTOR_WNDW[3:0]*8mS) <RTOR1 Register>
+ * @param Gain: R to R Gain (where Gain = 2^RTOR_GAIN[3:0], plus an auto-scale option) <RTOR1 Register>
+ * @param Pavg: R to R Peak Averaging Weight Factor <RTOR1 Register>
+ * @param Ptsf: R to R Peak Threshold Scaling Factor <RTOR1 Register>
+ * @param Hoff: R to R minimum Hold Off <RTOR2 Register>
+ * @param Ravg: R to R Interval Averaging Weight Factor <RTOR2 Register>
+ * @param Rhsf: R to R Interval Hold Off Scaling Factor <RTOR2 Register>
+ * @param Clr_rrint: RTOR Detect Interrupt Clear behaviour <MNGR_INT Register>
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_RtoR_InitStart(uint8_t En_rtor, uint8_t Wndw, uint8_t Gain,
+ uint8_t Pavg, uint8_t Ptsf, uint8_t Hoff,
+ uint8_t Ravg, uint8_t Rhsf, uint8_t Clr_rrint);
+
+ /**
+ * @brief For MAX30001/3/4 ONLY
+ * @brief This function disables the RtoR. Uses Register CNFG_RTOR1-0x1D
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_Stop_RtoR(void);
+
+ /**
+ * @brief This is a function that waits for the PLL to lock; once a lock is achieved it exits out. (For convenience only)
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_PLL_lock(void);
+
+ /**
+ * @brief This function causes the MAX30001 to reset. Uses Register SW_RST-0x08
+ * @return 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_sw_rst(void);
+
+ /**
+ * @brief This function provides a SYNCH operation. Uses Register SYCNH-0x09. Please refer to the data sheet for
+ * @brief the details on how to use this.
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_synch(void);
+
+ /**
+ * @brief This function performs a FIFO Reset. Uses Register FIFO_RST-0x0A. Please refer to the data sheet
+ * @brief for the details on how to use this.
+ * @returns 0-if no error. A non-zero value indicates an error.
+ */
+ int max300001_fifo_rst(void);
+
+ /**
+ *
+ * @brief This is a callback function which collects all the data from the ECG, BIOZ, PACE and RtoR. It also handles
+ * @brief Lead On/Off. This function is passed through the argument of max30001_COMMinit().
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_int_handler(void);
+
+ /**
+ * @brief This is function called from the max30001_int_handler() function and processes all the ECG, BIOZ, PACE
+ * @brief and the RtoR data and sticks them in appropriate arrays and variables each unsigned 32 bits.
+ * @param ECG data will be in the array (input): max30001_ECG_FIFO_buffer[]
+ * @param Pace data will be in the array (input): max30001_PACE[]
+ * @param RtoRdata will be in the variable (input): max30001_RtoR_data
+ * @param BIOZ data will be in the array (input): max30001_BIOZ_FIFO_buffer[]
+ * @param global max30001_ECG_FIFO_buffer[]
+ * @param global max30001_PACE[]
+ * @param global max30001_BIOZ_FIFO_buffer[]
+ * @param global max30001_RtoR_data
+ * @param global max30001_DCLeadOff
+ * @param global max30001_ACLeadOff
+ * @param global max30001_LeadON
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_FIFO_LeadONOff_Read(void);
+
+ /**
+ * @brief This function allows writing to a register.
+ * @param addr: Address of the register to write to
+ * @param data: 24-bit data read from the register.
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_reg_write(MAX30001_REG_map_t addr, uint32_t data);
+
+ /**
+ * @brief This function allows reading from a register
+ * @param addr: Address of the register to read from.
+ * @param *return_data: pointer to the value read from the register.
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_reg_read(MAX30001_REG_map_t addr, uint32_t *return_data);
+
+ /**
+ * @brief This function enables the DC Lead Off detection. Either ECG or BIOZ can be detected, one at a time.
+ * @brief Registers Used: CNFG_GEN-0x10
+ * @param En_dcloff: BIOZ Digital Lead Off Detection Enable
+ * @param Ipol: DC Lead Off Current Polarity (if current sources are enabled/connected)
+ * @param Imag: DC Lead off current Magnitude Selection
+ * @param Vth: DC Lead Off Voltage Threshold Selection
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_Enable_DcLeadOFF_Init(int8_t En_dcloff, int8_t Ipol, int8_t Imag,
+ int8_t Vth);
+
+ /**
+ * @brief This function disables the DC Lead OFF feature, whichever is active.
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_Disable_DcLeadOFF(void);
+
+ /**
+ * @brief This function sets up the BIOZ for AC Lead Off test.
+ * @brief Registers Used: CNFG_GEN-0x10, MNGR_DYN-0x05
+ * @param En_bloff: BIOZ Digital Lead Off Detection Enable <CNFG_GEN register>
+ * @param Bloff_hi_it: DC Lead Off Current Polarity (if current sources are enabled/connected) <MNGR_DYN register>
+ * @param Bloff_lo_it: DC Lead off current Magnitude Selection <MNGR_DYN register>
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_BIOZ_Enable_ACLeadOFF_Init(uint8_t En_bloff, uint8_t Bloff_hi_it,
+ uint8_t Bloff_lo_it);
+
+ /**
+ * @brief This function Turns of the BIOZ AC Lead OFF feature
+ * @brief Registers Used: CNFG_GEN-0x10
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_BIOZ_Disable_ACleadOFF(void);
+
+ /**
+ * @brief This function enables the Current Gnerator Monitor
+ * @brief Registers Used: CNFG_BIOZ-0x18
+ * @returns 0-if no error. A non-zero value indicates an error.
+ *
+ */
+ int max30001_BIOZ_Enable_BCGMON(void);
+
+ /**
+ *
+ * @brief This function enables the Lead ON detection. Either ECG or BIOZ can be detected, one at a time.
+ * @brief Also, the en_bioz, en_ecg, en_pace setting is saved so that when this feature is disabled through the
+ * @brief max30001_Disable_LeadON() function (or otherwise) the enable/disable state of those features can be retrieved.
+ * @param Channel: ECG or BIOZ detection
+ * @returns 0-if everything is good. A non-zero value indicates an error.
+ *
+ */
+ int max30001_Enable_LeadON(int8_t Channel);
+
+ /**
+ * @brief This function turns off the Lead ON feature, whichever one is active. Also, retrieves the en_bioz,
+ * @brief en_ecg, en_pace and sets it back to as it was.
+ * @param 0-if everything is good. A non-zero value indicates an error.
+ *
+ */
+ int max30001_Disable_LeadON(void);
+
+ /**
+ *
+ * @brief This function is toggled every 2 seconds to switch between ECG Lead ON and BIOZ Lead ON detect
+ * @brief Adjust LEADOFF_SERVICE_TIME to determine the duration between the toggles.
+ * @param CurrentTime - This gets fed the time by RTC_GetValue function
+ *
+ */
+ void max30001_ServiceLeadON(uint32_t currentTime);
+
+ /**
+ *
+ * @brief This function is toggled every 2 seconds to switch between ECG DC Lead Off and BIOZ DC Lead Off
+ * @brief Adjust LEADOFF_SERVICE_TIME to determine the duration between the toggles.
+ * @param CurrentTime - This gets fed the time by RTC_GetValue function
+ *
+ */
+ void max30001_ServiceLeadoff(uint32_t currentTime);
+
+ /**
+ *
+ * @brief This function sets current RtoR values and fmstr values in a pointer structure
+ * @param hspValMax30001 - Pointer to a structure where to store the values
+ *
+ */
+ void max30001_ReadHeartrateData(max30001_t *_hspValMax30001);
+
+ /**
+ * @brief type definition for data interrupt
+ */
+ typedef void (*PtrFunction)(uint32_t id, uint32_t *buffer, uint32_t length);
+
+ /**
+ * @brief Used to connect a callback for when interrupt data is available
+ */
+ void onDataAvailable(PtrFunction _onDataAvailable);
+
+ static MAX30001 *instance;
+
+private:
+ void dataAvailable(uint32_t id, uint32_t *buffer, uint32_t length);
+ /// interrupt handler for async spi events
+ static void spiHandler(int events);
+ /// wrapper method to transmit and recieve SPI data
+ int SPI_Transmit(const uint8_t *tx_buf, uint32_t tx_size, uint8_t *rx_buf,
+ uint32_t rx_size);
+
+ /// pointer to mbed SPI object
+ SPI *spi;
+ /// is this object the owner of the spi object
+ bool spi_owner;
+ /// buffer to use for async transfers
+ uint8_t buffer[ASYNC_SPI_BUFFER_SIZE];
+ /// function pointer to the async callback
+ event_callback_t functionpointer;
+ /// callback function when interrupt data is available
+ PtrFunction onDataAvailableCallback;
+
+}; // End of MAX30001 Class
+
+/**
+ * @brief Preventive measure used to dismiss interrupts that fire too early during
+ * @brief initialization on INTB line
+ *
+ */
+void MAX30001Mid_IntB_Handler(void);
+
+/**
+ * @brief Preventive measure used to dismiss interrupts that fire too early during
+ * @brief initialization on INT2B line
+ *
+ */
+void MAX30001Mid_Int2B_Handler(void);
+
+/**
+ * @brief Allows Interrupts to be accepted as valid.
+ * @param state: 1-Allow interrupts, Any-Don't allow interrupts.
+ *
+ */
+void MAX30001_AllowInterrupts(int state);
+
+#endif /* MAX30001_H_ */
+
+