Team Project / Mbed OS Oled_BLE_test1

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   max32630fthr Adafruit_FeatherOLED_2020 USBDevice

algorithm/algorithm.h@7:01495eb5d086, 2020-03-04 (annotated)

Committer:
jonaangelica
Date:
Wed Mar 04 22:49:12 2020 +0000
Revision:
7:01495eb5d086
Parent:
0:cc636f742803 
comm;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jonaangelica 0:cc636f742803 1 /** \file algorithm.h ******************************************************
jonaangelica 0:cc636f742803 2 *
jonaangelica 0:cc636f742803 3 * Project: MAXREFDES117#
jonaangelica 0:cc636f742803 4 * Filename: algorithm.c
jonaangelica 0:cc636f742803 5 * Description: This module is the heart rate/SpO2 calculation algorithm header file
jonaangelica 0:cc636f742803 6 *
jonaangelica 0:cc636f742803 7 * Revision History:
jonaangelica 0:cc636f742803 8 *\n 1-18-2016 Rev 01.00 SK Initial release.
jonaangelica 0:cc636f742803 9 *\n
jonaangelica 0:cc636f742803 10 *
jonaangelica 0:cc636f742803 11 * --------------------------------------------------------------------
jonaangelica 0:cc636f742803 12 *
jonaangelica 0:cc636f742803 13 * This code follows the following naming conventions:
jonaangelica 0:cc636f742803 14 *
jonaangelica 0:cc636f742803 15 *\n char ch_pmod_value
jonaangelica 0:cc636f742803 16 *\n char (array) s_pmod_s_string[16]
jonaangelica 0:cc636f742803 17 *\n float f_pmod_value
jonaangelica 0:cc636f742803 18 *\n int32_t n_pmod_value
jonaangelica 0:cc636f742803 19 *\n int32_t (array) an_pmod_value[16]
jonaangelica 0:cc636f742803 20 *\n int16_t w_pmod_value
jonaangelica 0:cc636f742803 21 *\n int16_t (array) aw_pmod_value[16]
jonaangelica 0:cc636f742803 22 *\n uint16_t uw_pmod_value
jonaangelica 0:cc636f742803 23 *\n uint16_t (array) auw_pmod_value[16]
jonaangelica 0:cc636f742803 24 *\n uint8_t uch_pmod_value
jonaangelica 0:cc636f742803 25 *\n uint8_t (array) auch_pmod_buffer[16]
jonaangelica 0:cc636f742803 26 *\n uint32_t un_pmod_value
jonaangelica 0:cc636f742803 27 *\n int32_t * pn_pmod_value
jonaangelica 0:cc636f742803 28 *
jonaangelica 0:cc636f742803 29 * ------------------------------------------------------------------------- */
jonaangelica 0:cc636f742803 30 /*******************************************************************************
jonaangelica 0:cc636f742803 31 * Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved.
jonaangelica 0:cc636f742803 32 *
jonaangelica 0:cc636f742803 33 * Permission is hereby granted, free of charge, to any person obtaining a
jonaangelica 0:cc636f742803 34 * copy of this software and associated documentation files (the "Software"),
jonaangelica 0:cc636f742803 35 * to deal in the Software without restriction, including without limitation
jonaangelica 0:cc636f742803 36 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
jonaangelica 0:cc636f742803 37 * and/or sell copies of the Software, and to permit persons to whom the
jonaangelica 0:cc636f742803 38 * Software is furnished to do so, subject to the following conditions:
jonaangelica 0:cc636f742803 39 *
jonaangelica 0:cc636f742803 40 * The above copyright notice and this permission notice shall be included
jonaangelica 0:cc636f742803 41 * in all copies or substantial portions of the Software.
jonaangelica 0:cc636f742803 42 *
jonaangelica 0:cc636f742803 43 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
jonaangelica 0:cc636f742803 44 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
jonaangelica 0:cc636f742803 45 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
jonaangelica 0:cc636f742803 46 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
jonaangelica 0:cc636f742803 47 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
jonaangelica 0:cc636f742803 48 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
jonaangelica 0:cc636f742803 49 * OTHER DEALINGS IN THE SOFTWARE.
jonaangelica 0:cc636f742803 50 *
jonaangelica 0:cc636f742803 51 * Except as contained in this notice, the name of Maxim Integrated
jonaangelica 0:cc636f742803 52 * Products, Inc. shall not be used except as stated in the Maxim Integrated
jonaangelica 0:cc636f742803 53 * Products, Inc. Branding Policy.
jonaangelica 0:cc636f742803 54 *
jonaangelica 0:cc636f742803 55 * The mere transfer of this software does not imply any licenses
jonaangelica 0:cc636f742803 56 * of trade secrets, proprietary technology, copyrights, patents,
jonaangelica 0:cc636f742803 57 * trademarks, maskwork rights, or any other form of intellectual
jonaangelica 0:cc636f742803 58 * property whatsoever. Maxim Integrated Products, Inc. retains all
jonaangelica 0:cc636f742803 59 * ownership rights.
jonaangelica 0:cc636f742803 60 *******************************************************************************
jonaangelica 0:cc636f742803 61 */
jonaangelica 0:cc636f742803 62 #ifndef ALGORITHM_H_
jonaangelica 0:cc636f742803 63 #define ALGORITHM_H_
jonaangelica 0:cc636f742803 64
jonaangelica 0:cc636f742803 65 #include "mbed.h"
jonaangelica 0:cc636f742803 66
jonaangelica 0:cc636f742803 67 #define true 1
jonaangelica 0:cc636f742803 68 #define false 0
jonaangelica 0:cc636f742803 69 #define FS 100
jonaangelica 0:cc636f742803 70 #define BUFFER_SIZE (FS* 5)
jonaangelica 0:cc636f742803 71 #define HR_FIFO_SIZE 7
jonaangelica 0:cc636f742803 72 #define MA4_SIZE 4 // DO NOT CHANGE
jonaangelica 0:cc636f742803 73 #define HAMMING_SIZE 5// DO NOT CHANGE
jonaangelica 0:cc636f742803 74 #define min(x,y) ((x) < (y) ? (x) : (y))
jonaangelica 0:cc636f742803 75
jonaangelica 0:cc636f742803 76 const uint16_t auw_hamm[31]={ 41, 276, 512, 276, 41 }; //Hamm= long16(512* hamming(5)');
jonaangelica 0:cc636f742803 77 //SPO2table is computed as -45.060*ratioAverage* ratioAverage + 30.354 *ratioAverage + 94.845 ;
jonaangelica 0:cc636f742803 78 const uint8_t uch_spo2_table[184]={ 95, 95, 95, 96, 96, 96, 97, 97, 97, 97, 97, 98, 98, 98, 98, 98, 99, 99, 99, 99,
jonaangelica 0:cc636f742803 79 99, 99, 99, 99, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
jonaangelica 0:cc636f742803 80 100, 100, 100, 100, 99, 99, 99, 99, 99, 99, 99, 99, 98, 98, 98, 98, 98, 98, 97, 97,
jonaangelica 0:cc636f742803 81 97, 97, 96, 96, 96, 96, 95, 95, 95, 94, 94, 94, 93, 93, 93, 92, 92, 92, 91, 91,
jonaangelica 0:cc636f742803 82 90, 90, 89, 89, 89, 88, 88, 87, 87, 86, 86, 85, 85, 84, 84, 83, 82, 82, 81, 81,
jonaangelica 0:cc636f742803 83 80, 80, 79, 78, 78, 77, 76, 76, 75, 74, 74, 73, 72, 72, 71, 70, 69, 69, 68, 67,
jonaangelica 0:cc636f742803 84 66, 66, 65, 64, 63, 62, 62, 61, 60, 59, 58, 57, 56, 56, 55, 54, 53, 52, 51, 50,
jonaangelica 0:cc636f742803 85 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 31, 30, 29,
jonaangelica 0:cc636f742803 86 28, 27, 26, 25, 23, 22, 21, 20, 19, 17, 16, 15, 14, 12, 11, 10, 9, 7, 6, 5,
jonaangelica 0:cc636f742803 87 3, 2, 1 } ;
jonaangelica 0:cc636f742803 88 static int32_t an_dx[ BUFFER_SIZE-MA4_SIZE]; // delta
jonaangelica 0:cc636f742803 89 static int32_t an_x[ BUFFER_SIZE]; //ir
jonaangelica 0:cc636f742803 90 static int32_t an_y[ BUFFER_SIZE]; //red
jonaangelica 0:cc636f742803 91
jonaangelica 0:cc636f742803 92
jonaangelica 0:cc636f742803 93 void maxim_heart_rate_and_oxygen_saturation(uint32_t *pun_ir_buffer , int32_t n_ir_buffer_length, uint32_t *pun_red_buffer , int32_t *pn_spo2, int8_t *pch_spo2_valid , int32_t *pn_heart_rate , int8_t *pch_hr_valid);
jonaangelica 0:cc636f742803 94 void maxim_find_peaks( int32_t *pn_locs, int32_t *pn_npks, int32_t *pn_x, int32_t n_size, int32_t n_min_height, int32_t n_min_distance, int32_t n_max_num );
jonaangelica 0:cc636f742803 95 void maxim_peaks_above_min_height( int32_t *pn_locs, int32_t *pn_npks, int32_t *pn_x, int32_t n_size, int32_t n_min_height );
jonaangelica 0:cc636f742803 96 void maxim_remove_close_peaks( int32_t *pn_locs, int32_t *pn_npks, int32_t *pn_x, int32_t n_min_distance );
jonaangelica 0:cc636f742803 97 void maxim_sort_ascend( int32_t *pn_x, int32_t n_size );
jonaangelica 0:cc636f742803 98 void maxim_sort_indices_descend( int32_t *pn_x, int32_t *pn_indx, int32_t n_size);
jonaangelica 0:cc636f742803 99
jonaangelica 0:cc636f742803 100 #endif /* ALGORITHM_H_ */