Diff: main.cpp

Revision:

5:648aa1e83d65

Parent:

4:5273ab1085ab

--- a/main.cpp	Thu May 19 22:04:06 2016 +0000
+++ b/main.cpp	Wed Jan 27 09:32:22 2021 +0000
@@ -1,76 +1,3 @@
-/** \file main.cpp ******************************************************
-*
-* Project: MAXREFDES117#
-* Filename: main.cpp
-* Description: This module contains the Main application for the MAXREFDES117 example program.
-*
-*
-* --------------------------------------------------------------------
-*
-* This code follows the following naming conventions:
-*
-* char              ch_pmod_value
-* char (array)      s_pmod_s_string[16]
-* float             f_pmod_value
-* int32_t           n_pmod_value
-* int32_t (array)   an_pmod_value[16]
-* int16_t           w_pmod_value
-* int16_t (array)   aw_pmod_value[16]
-* uint16_t          uw_pmod_value
-* uint16_t (array)  auw_pmod_value[16]
-* uint8_t           uch_pmod_value
-* uint8_t (array)   auch_pmod_buffer[16]
-* uint32_t          un_pmod_value
-* int32_t *         pn_pmod_value
-*
-* ------------------------------------------------------------------------- */
-/*******************************************************************************
-* 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.
-*******************************************************************************
-*/
-/*!\mainpage Main Page
-*
-* \section intro_sec Introduction
-*
-* This is the code documentation for the MAXREFDES117# subsystem reference design.
-* 
-*  The Files page contains the File List page and the Globals page.
-* 
-*  The Globals page contains the Functions, Variables, and Macros sub-pages.
-*
-* \image html MAXREFDES117_Block_Diagram.png "MAXREFDES117# System Block Diagram"
-* 
-* \image html MAXREFDES117_firmware_Flowchart.png "MAXREFDES117# Firmware Flowchart"
-*
-*/
 #include "mbed.h"
 #include "algorithm.h"
 #include "MAX30102.h"
@@ -86,18 +13,12 @@
 int8_t  ch_hr_valid;    //indicator to show if the heart rate calculation is valid
 uint8_t uch_dummy;
 
-Serial pc(USBTX, USBRX);    //initializes the serial port
-#ifdef TARGET_KL25Z 
-PwmOut led(PTB18);  //initializes the pwm output that connects to the on board LED
-DigitalIn INT(PTD1);  //pin PTD1 connects to the interrupt output pin of the MAX30102
-#endif
-#ifdef TARGET_K64F
-DigitalIn INT(PTD1);  //pin PTD1 connects to the interrupt output pin of the MAX30102
-#endif
-#ifdef TARGET_MAX32600MBED
-PwmOut led(LED_RED);    //initializes the pwm output that connects to the on board LED
-DigitalIn INT(P2_0);  //pin P20 connects to the interrupt output pin of the MAX30102
-#endif
+Serial pc(PB_10, PB_11);    //initializes the serial port
+
+DigitalOut led(PC_4);  //initializes the pwm output that connects to the on board LED
+DigitalIn INT(PC_13);  //pin PTD1 connects to the interrupt output pin of the MAX30102
+
+DigitalOut VEN(PC_2);  
 
 // the setup routine runs once when you press reset:
 int main() { 
@@ -111,22 +32,14 @@
     pc.baud(115200);
     pc.format(8,SerialBase::None,1);
     wait(1);
+    led = 1;
     
     //read and clear status register
     maxim_max30102_read_reg(0,&uch_dummy);
-    
-    //wait until the user presses a key
-    while(pc.readable()==0)
-    {
-        pc.printf("\x1B[2J");  //clear terminal program screen
-        pc.printf("Press any key to start conversion\n\r");
-        wait(1);
-    }
-    uch_dummy=getchar();
-    
+ 
+    VEN = 1;
     maxim_max30102_init();  //initializes the MAX30102
-        
-        
+         
     n_brightness=0;
     un_min=0x3FFFF;
     un_max=0;
@@ -136,7 +49,7 @@
     //read the first 500 samples, and determine the signal range
     for(i=0;i<n_ir_buffer_length;i++)
     {
-        while(INT.read()==1);   //wait until the interrupt pin asserts
+        //while(INT.read()==1);   //wait until the interrupt pin asserts
         
         maxim_max30102_read_fifo((aun_red_buffer+i), (aun_ir_buffer+i));  //read from MAX30102 FIFO
             
@@ -150,7 +63,7 @@
         pc.printf("%i\n\r", aun_ir_buffer[i]);
     }
     un_prev_data=aun_red_buffer[i];
-    
+  
     
     //calculate heart rate and SpO2 after first 500 samples (first 5 seconds of samples)
     maxim_heart_rate_and_oxygen_saturation(aun_ir_buffer, n_ir_buffer_length, aun_red_buffer, &n_sp02, &ch_spo2_valid, &n_heart_rate, &ch_hr_valid); 
@@ -200,9 +113,9 @@
                 if(n_brightness>MAX_BRIGHTNESS)
                     n_brightness=MAX_BRIGHTNESS;
             }
-#if defined(TARGET_KL25Z) || defined(TARGET_MAX32600MBED)
-            led.write(1-(float)n_brightness/256);
-#endif
+
+            led = 1;
+
             //send samples and calculation result to terminal program through UART
             pc.printf("red=");
             pc.printf("%i", aun_red_buffer[i]);
@@ -212,6 +125,7 @@
             pc.printf("HRvalid=%i, ", ch_hr_valid);
             pc.printf("SpO2=%i, ", n_sp02);
             pc.printf("SPO2Valid=%i\n\r", ch_spo2_valid);
+           // wait(1);
         }
         maxim_heart_rate_and_oxygen_saturation(aun_ir_buffer, n_ir_buffer_length, aun_red_buffer, &n_sp02, &ch_spo2_valid, &n_heart_rate, &ch_hr_valid); 
     }