raheel Ahmed
Tapton School Project to monitor and log SEN students physiological condition using GSR (conductivity) & Heart Rate and displaying output and logging the data to an SD card
Diff: main.cpp
- Revision:
- 0:0e26bf847b57
diff -r 000000000000 -r 0e26bf847b57 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Feb 09 08:34:23 2018 +0000
@@ -0,0 +1,794 @@
+/**************************************************************************************/
+/**************************************************************************************/
+/*SMARTGPU2 intelligent embedded graphics processor unit
+ those examples are for using the SMARTGPU2 with the mbed microcontoller, just connect tx,rx,and reset
+ Board:
+ http://www.vizictechnologies.com/
+
+ www.vizictechnologies.com
+ Vizic Technologies copyright 2014 */
+/**************************************************************************************/
+/**************************************************************************************/
+
+#include "mbed.h"
+#include "SMARTGPU2.h"
+#include "DFRobot_Heartrate.h"
+#include "inttypes.h"
+AnalogIn hrm (p16);
+DigitalIn DigHRM (p21);
+AnalogIn gsr(p19); // alalogue input pin for the galvanic skin response sensor
+
+
+Serial pc(USBTX, USBRX); // pc's usb tx, rx
+
+DigitalOut led_1(LED1);
+DigitalOut led_2(LED2);
+DigitalOut led_3(LED3);
+DigitalOut led_4(LED4);
+int rateValue;
+//const char rateVal = &rateValue;
+DFRobot_Heartrate heartrate(DIGITAL_MODE);
+SMARTGPU2 lcd(TXPIN,RXPIN,RESETPIN); //create our object called "lcd"
+
+TIME timeRTC;
+STATE stateRTC;
+/***************************************************/
+/***************************************************/
+void initializeSmartGPU2(void){ //Initialize SMARTGPU2 Board
+ lcd.reset(); //physically reset SMARTGPU2
+ lcd.start(); //initialize the SMARTGPU2 processor
+}
+
+float gsrValue = 0,gsrbaseline = 0,hrmValue = 0,hrmbaseline = 0;
+
+void Get_gsrBaseline(void)
+{
+ double gsrsum = 0;
+ wait(1);
+ for(int i=0; i<500; i++) {
+ gsrValue = gsr;
+ gsrsum += gsrValue;
+ wait(0.005);
+ }
+ gsrbaseline = gsrsum/500;
+}
+
+// calculate hrmbaseline to compare against
+void Get_hrmBaseline(void)
+{
+ double hrmsum = 0;
+ wait(1);
+ for(int i=0; i<500; i++) {
+ hrmValue = hrm;
+ hrmsum += hrmValue;
+
+ wait(0.005);
+ }
+ hrmbaseline = hrmsum/500;
+}
+
+FILERESULT fres; //create the variable that will store all SMARTGPU2 commands responses
+int sdok;
+
+unsigned int row=10;
+
+//function that checks if the SD card operation had a problem
+void die(unsigned char response){ //if the response is different than OK, print and wait for 3 seconds
+// NUMBEROFBYTES charsPrint;
+ pc.printf("%d\r\n",response); //write to the USB PC if there is a problem
+ if(response!=F_OK){
+ pc.printf("Error on microSD... \r\n");
+ wait(3);
+ // while(1);
+ }
+ sdok=1;
+}
+
+
+int main() { //start of main program ********
+
+ SMARTGPUREPLY res; // responses from GPU
+ POINT point;
+
+ int but1; // button pressed variable
+ pc.baud(9600);
+
+ initializeSmartGPU2(); //Init communication with SmartGPU2 board
+
+ lcd.baudChange(BAUD6); //set a fast baud! for fast drawing
+
+ res = lcd.setupRTC(&stateRTC); // start the SmartGPU2 Real Time Clock RTC
+
+ NUMBEROFBYTES bytes; // for use in text string call
+
+ float gsrValue = 0,gsrbaseline = 0,aHRMvalue = 0,dHRMvalue = 0;
+
+ while(1)
+ { // set up a loop to keep endless operation and changes to user operation
+ pc.printf("Start of Main\r\n");
+ but1 = 0;
+ gsrbaseline = gsr;
+ lcd.erase();
+ lcd.setTextColour(WHITE);
+ lcd.setTextSize(FONT1);
+
+ //draw the object button1 and button2
+ lcd.objButton(10, 170, 150, 220, DESELECTED, "Change?");
+ lcd.objButton(170, 170, 309, 220, DESELECTED, "Continue");
+
+ res = lcd.getRTCTimeDate(&timeRTC);
+ lcd.string(70,40,300,60,"Hour Minutes Seconds", &bytes);
+ lcd.string(0,60,69,80,"Time:", &bytes);
+ lcd.string(70,100,300,120,"Day Month Year", &bytes);
+ lcd.string(0,120,100,140,"Date:", &bytes);
+
+ lcd.printNumber(85,60, timeRTC.hour);
+ lcd.printNumber(130,60, timeRTC.minute);
+ lcd.printNumber(190,60, timeRTC.second);
+ lcd.printNumber(85,120, timeRTC.day);
+ lcd.printNumber(130,120, timeRTC.month);
+ lcd.printNumber(190,120, timeRTC.year);
+
+lcd.setTextColour(GREEN);
+lcd.string(0,0,300,20,"Press Change? to set the time", &bytes);
+lcd.setTextColour(WHITE);
+pc.printf("TEST\r\n");//debug
+but1=0; // prepare for catching a button press
+led_2=0; //debug
+ while (but1 == 0) //wait for button press loop
+ {
+ //ask for a touch
+ if(lcd.touchScreen(&point)==VALID)
+ { //if a touch on screen is valid check which button
+ if(point.y>170 && point.y<220 && point.x<160)
+ { //if the touch on button1 draw the object button1 as SELECTED
+ lcd.objButton(10, 170, 150, 220, SELECTED, "Change Time?");
+ wait_ms(50);
+ lcd.objButton(10, 170, 150, 220, DESELECTED, "Change Time?");
+ pc.printf("change time button pressed\r\n"); //debug
+ timeRTC.hour = 8; // SET DATE AND TIME VALUES HERE ONCE
+ timeRTC.minute = 45;
+ timeRTC.second = 1;
+ timeRTC.day = 8;
+ timeRTC.month = 2;
+ timeRTC.year = 2018;
+ res = lcd.setRTCTimeDate(&timeRTC); // send the above values to the RTC
+ wait(2);
+ res = lcd.getRTCTimeDate(&timeRTC); // get the RTC values back
+ lcd.setTextColour(WHITE);
+ lcd.drawRectangle(200, 0, 318, 20, BLACK, FILL); // date refresh
+ lcd.drawRectangle(85, 60, 300, 80, BLACK, FILL); //time refresh
+ lcd.drawRectangle(85, 120, 300, 110, BLACK, FILL); //clears the area of screen with numbers so not to overwrite causing blurred numbers
+ lcd.printNumber(85,60, timeRTC.hour);
+ lcd.printNumber(130,60, timeRTC.minute);
+ lcd.printNumber(190,60, timeRTC.second);
+ lcd.printNumber(85,120, timeRTC.day);
+ lcd.printNumber(130,120, timeRTC.month);
+ lcd.printNumber(190,120, timeRTC.year);
+ lcd.drawRectangle(0, 0, 300, 20, BLACK, FILL); // date refresh
+ lcd.string(0,0,300,20,"OK new time set from storred values", &bytes);
+ wait(3);// display for 2 seconds
+ led_2=1;
+ but1 = 1; // button was pressed so set var to get out of this button press loop
+ } //end of Button 1 pressed IF
+
+ //IF BUTTON2
+ if(point.y>170 && point.y<220 && point.x>160)
+ { //if the touch on button2 draw the object button2 as SELECTED
+ lcd.objButton(170, 170, 309, 220, SELECTED, "Continue");
+ wait_ms(50);
+ lcd.objButton(170, 170, 309, 220, DESELECTED, "Continue");
+ but1 = 1;// button was pressed so set var to get out of thi sbutton press loop
+ pc.printf("continue button pressed\r\n"); //debug
+ }//end of Button 2 pressed IF
+ } // end of has a valid screen touch been made IF
+ } //end of second wait for button press while statement
+
+but1=0; //reset button pressed var
+int candidate=0; //set up a var to track which candidate to be monitored
+lcd.erase(); //clear the screen
+lcd.setTextColour(WHITE);
+
+//draw the object button1 through button4 for Candidate selection
+lcd.string(0,0,300,20,"Select the Candidate to be monitored", &bytes);
+lcd.objButton(10, 30, 200, 60, DESELECTED, "Candidate 1");
+lcd.objButton(10, 85, 200, 120, DESELECTED, "Candidate 2");
+lcd.objButton(10, 145, 200, 180, DESELECTED, "Candidate 3");
+lcd.objButton(10, 205, 200, 238, DESELECTED, "Candidate 4");
+
+while (but1 == 0) //wait for button press loop
+ {
+ //pc.printf("endless time loop\r\n"); //debug
+ led_4=!led_4; //debug
+ if(lcd.touchScreen(&point)==VALID)
+ { //if a touch on screen is valid check which button
+ if(point.y>30 && point.y<60 && point.x<200)
+ { //if the touch on button1 draw the object button1 as SELECTED
+ lcd.objButton(10, 30, 200, 60, SELECTED, "Candidate 1");
+ wait_ms(50);
+ lcd.objButton(10, 30, 200, 60, DESELECTED, "Candidate 1");
+ pc.printf("Candidate 1\r\n"); //debug
+ but1=1;
+ candidate=1;
+ }// end of if button 1 pressed
+
+ if(point.y>85 && point.y<120 && point.x<200)
+ { //if the touch on button1 draw the object button1 as SELECTED
+ lcd.objButton(10, 85, 200, 120, SELECTED, "Candidate 2");
+ wait_ms(50);
+ lcd.objButton(10, 85, 200, 120, DESELECTED, "Candidate 2");
+ pc.printf("Candidate 2\r\n"); //debug
+ but1=1;
+ candidate=2;
+ }// end of if button 2 pressed
+
+ if(point.y>145 && point.y<180 && point.x<200)
+ { //if the touch on button1 draw the object button1 as SELECTED
+ lcd.objButton(10, 145, 200, 180, SELECTED, "Candidate 3");
+ wait_ms(50);
+ lcd.objButton(10, 145, 200, 180, DESELECTED, "Candidate 3");
+ pc.printf("Candidate 3\r\n"); //debug
+ but1=1;
+ candidate=3;
+ }// end of if button 3 pressed
+
+ if(point.y>205 && point.y<238 && point.x<200)
+ { //if the touch on button1 draw the object button1 as SELECTED
+ lcd.objButton(10, 205, 200, 238, SELECTED, "Candidate 4");
+ wait_ms(50);
+ lcd.objButton(10, 205, 200, 238, DESELECTED, "Candidate 4");
+ pc.printf("Candidate 4\r\n"); //debug
+ but1=1;
+ candidate=4;
+ }// end of if button 4 pressed
+ }// end of if screen touched
+} //end of the button press while
+
+wait(1);
+lcd.erase(); //clear the screen
+lcd.setTextColour(CYAN);
+lcd.setTextSize(FONT1);
+if (candidate==0)lcd.string(0,0,300,20,"NO Candidate selected", &bytes);
+if (candidate==1)lcd.string(0,0,300,20,"Candidate 1 selected", &bytes);
+if (candidate==2)lcd.string(0,0,300,20,"Candidate 2 selected", &bytes);
+if (candidate==3)lcd.string(0,0,300,20,"Candidate 3 selected", &bytes);
+if (candidate==4)lcd.string(0,0,300,20,"Candidate 4 selected", &bytes);
+wait(1);
+sdok=0;
+
+
+ unsigned int dirs=0, files=0, sdcardavail=0;
+ NUMBEROFBYTES charsPrinted;
+
+ unsigned char response;
+
+ fres=lcd.SDFgetList(&dirs,&files); //obtain dirs and files
+ die(fres);
+ if(sdok==1)
+ {//if the SD card is there and ok list the directory contents
+ pc.printf("SD card is there\r\n");
+ sdcardavail=1; // set to determine if user given choice to save session to SD card
+ } //end of if statement to check if SD disc there and ok
+wait(1);
+
+int storetosd=0; //set up a var to track if seesion to be saved to disc if so at what intervals
+
+if(sdcardavail==1)
+ { //only give these options if a SD card is available and ok
+ but1=0; //reset button pressed var
+ lcd.erase(); //clear the screen
+ lcd.setTextColour(WHITE);
+ //draw the object button1 through button4 for save to disc option selection
+ lcd.string(0,0,315,20,"Select if session to be saved to disc, if so, select interval required", &bytes);
+ lcd.objButton(10, 30, 200, 60, DESELECTED, "Don't Save");
+ lcd.objButton(10, 85, 200, 120, DESELECTED, "Save, 1 minute");
+ lcd.objButton(10, 145, 200, 180, DESELECTED, "Save, 15 minutes");
+ lcd.objButton(10, 205, 200, 238, DESELECTED, "Save, 30 minutes");
+
+ while(but1 == 0) //wait for button press loop
+ {
+ //pc.printf("endless time loop\r\n"); //debug
+ led_4=!led_4; //debug
+ if(lcd.touchScreen(&point)==VALID)
+ { //if a touch on screen is valid check which button
+ if(point.y>30 && point.y<60 && point.x<200)
+ { //if the touch on button1 draw the object button1 as SELECTED
+ lcd.objButton(10, 30, 200, 60, SELECTED, "Don't Save");
+ wait_ms(50);
+ lcd.objButton(10, 30, 200, 60, DESELECTED, "Don't Save");
+ pc.printf("Don't Save\r\n"); //debug
+ but1=1;
+ storetosd=1;
+ }// end of if button 1 pressed
+
+ if(point.y>85 && point.y<120 && point.x<200)
+ { //if the touch on button1 draw the object button1 as SELECTED
+ lcd.objButton(10, 85, 200, 120, SELECTED, "Save, 1 minute");
+ wait_ms(50);
+ lcd.objButton(10, 85, 200, 120, DESELECTED, "Save, 1 minute");
+ pc.printf("Save 1 minute\r\n"); //debug
+ but1=1;
+ storetosd=2;
+ }// end of if button 2 pressed
+
+ if(point.y>145 && point.y<180 && point.x<200)
+ { //if the touch on button1 draw the object button1 as SELECTED
+ lcd.objButton(10, 145, 200, 180, SELECTED, "Save, 15 minutes");
+ wait_ms(50);
+ lcd.objButton(10, 145, 200, 180, DESELECTED, "Save, 15 minutes");
+ pc.printf("Save, 15 minutes\r\n"); //debug
+ but1=1;
+ storetosd=3;
+ }// end of if button 3 pressed
+
+ if(point.y>205 && point.y<238 && point.x<200)
+ { //if the touch on button1 draw the object button1 as SELECTED
+ lcd.objButton(10, 205, 200, 238, SELECTED, "Save, 30 minutes");
+ wait_ms(50);
+ lcd.objButton(10, 205, 200, 238, DESELECTED, "Save, 30 minutes");
+ pc.printf("Save, 30 minutes\r\n"); //debug
+ but1=1;
+ storetosd=4;
+ }// end of if button 4 pressed
+ }// end of if screen touched
+ } //end of the button press while
+ }//end of if SD card available statement
+
+//wait(3);
+lcd.erase(); //clear the screen
+lcd.setTextColour(CYAN);
+lcd.setTextSize(FONT1);
+if (storetosd==1)lcd.string(0,0,300,20,"Don't Save", &bytes);
+if (storetosd==2)lcd.string(0,0,300,20,"1 minute selected", &bytes);
+if (storetosd==3)lcd.string(0,0,300,20,"15 minutes selected", &bytes);
+if (storetosd==4)lcd.string(0,0,300,20,"30 minutes selected", &bytes);
+if (storetosd==0)lcd.string(0,0,300,20,"nothing selected", &bytes);
+//wait(5);
+
+
+
+
+ lcd.erase();
+ lcd.setTextColour(GREEN);
+if (candidate==0)lcd.string(0,0,150,20,"NO Candidate selected", &bytes);
+if (candidate==1)lcd.string(0,0,150,20,"Candidate 1", &bytes);
+if (candidate==2)lcd.string(0,0,150,20,"Candidate 2", &bytes);
+if (candidate==3)lcd.string(0,0,150,20,"Candidate 3", &bytes);
+if (candidate==4)lcd.string(0,0,150,20,"Candidate 4", &bytes);
+
+ lcd.setTextColour(WHITE);
+ lcd.string(80,220,310,238," GSR HRM OVL",&bytes);
+
+ lcd.string(0,60,100,80,"GSR Base", &bytes); //write a string on the screen
+ lcd.string(0,81,100,100,"GSR Actual", &bytes); //write a string on the screen
+ lcd.string(0,101,100,120,"HRM Digital", &bytes); //write a string on the screen
+ lcd.string(0,121,100,150,"Overall", &bytes); //write a string on the screen
+
+float gsrdelta,gsrdeltaabs,hrmdeltaabs,hrmdelta,gsr1, gsr2, gsr3, hrm10, hrm25, hrm5, hrm15;
+
+ Get_gsrBaseline();
+ Get_hrmBaseline();
+ pc.printf("Calculating Average hrm:%f\n",hrmbaseline);
+
+
+
+ gsr1 = (gsrbaseline+(0.05 * gsrbaseline)); //level 1 GSR Top boundry 5%
+ gsr2 = (gsrbaseline+(0.10 * gsrbaseline)); //level 2 GSR Top boundry 10%
+ gsr3 = (gsrbaseline+(0.15 * gsrbaseline)); //level 3 GSR Top boundry 15%
+ hrm25 = (hrmbaseline+(0.025 * hrmbaseline)); //level 1 HRM Top boundry 25%
+ hrm15 = (hrmbaseline+(0.015 * hrmbaseline)); //level 2 HRM Top boundry 15%
+ hrm10 = (hrmbaseline+(0.010 * hrmbaseline)); //level 3 HRM Top boundry 10%
+ hrm5 = (hrmbaseline-(0.005 * hrmbaseline)); //level 4 HRM Top boundry 5%
+
+but1=0;
+lcd.setTextColour(WHITE);
+ //draw the object button1 Exit
+unsigned int writtenBytes=0;
+
+ if(storetosd>1 && storetosd<5)
+ { //open a file on the SD card called log.txt
+ pc.printf("Try to open a file on the SD card called log.txt\r\n");
+ //try to open the file
+ fres=lcd.SDFopenFile("log.txt", WRITEONLY, WORKSPACE0); //Try to open the file in write only mode in the workspace block 0
+ if(fres!=F_OK){ //If the file doesn't Open is because it doesn't exist
+ pc.printf("File doesn't exist, creating log.txt file...\r\n");
+ fres=lcd.SDFnewFile("log.txt"); //Try to create the file
+ die(fres); //If any error report it
+ fres=lcd.SDFopenFile("log.txt", WRITEONLY, WORKSPACE0); //Try to open the created file
+ die(fres); //If any error report it
+ }
+ char messagetitle[100]="Candidate, Interval , GSR Base , GSR , HRM , Day , Month , Hour , Minute , Second \n";
+
+ res = lcd.getRTCTimeDate(&timeRTC); // get the RTC values back
+ lcd.SDFsetFileTimeDate(&timeRTC, "log.txt"); //Set Time and Date to the now existing log.txt file
+ pc.printf("***********saving titles to file \r\n");
+ writtenBytes=0; //, readbytes=0; //i=0;
+ fres=lcd.SDFwriteFile(messagetitle, sizeof(messagetitle), &writtenBytes, WORKSPACE0); //write to the open file in WORKSPACE0 size of message in bytes and store the successfully written Bytes on writtenBytes variable
+ die(fres); //If any error report it
+ lcd.SDFsaveFile(WORKSPACE0); //Save changes in the file contained in WORKSPACE0
+ }
+
+char textStringgsr[9],textStringgsrb[9],textStringhrm[9],textday[3],textmonth[3],texthour[3],textminute[3],textsecond[3]; //textStringhrmb[9] if baseline achieved later
+int timestore1,timestore2,length,k=0,j=0,l=0;
+
+ res = lcd.getRTCTimeDate(&timeRTC); // get the RTC values back
+ lcd.setTextColour(WHITE);
+ lcd.string(0,21,318,40,"Time:", &bytes);
+ lcd.printNumber(70,21, timeRTC.hour); // write them to the TFT
+ lcd.printNumber(95,21, timeRTC.minute);
+ // lcd.printNumber(170,21, timeRTC.second);
+ lcd.printNumber(200,0, timeRTC.day);
+ lcd.printNumber(230,0, timeRTC.month);
+ lcd.printNumber(260,0, timeRTC.year);
+ timestore1 = timeRTC.minute; // store value to test later for change to help screen refresh
+ timestore2 = timeRTC.second; // store value to test later for change to help screen refresh
+int w=0;// used for overal feeling notification
+
+lcd.objButton(10, 180, 50, 215, DESELECTED, "EXIT"); // draw the object button to provide exit
+
+while (but1 == 0) //wait for button press loop
+ {
+
+ gsrValue = gsr;
+ aHRMvalue = hrm;
+ dHRMvalue = DigHRM;
+ // wait(1);
+ lcd.setTextColour(WHITE);
+ lcd.printNumber(110,60, gsrbaseline);
+ lcd.printNumber(110,81, gsrValue);
+ //lcd.printNumber(110,101, rateValue);// we are printing here
+ //lcd.printNumber(110,121, dHRMvalue);
+ res = lcd.getRTCTimeDate(&timeRTC); // get the RTC values back
+ lcd.setTextColour(WHITE);
+ lcd.string(0,21,318,40,"Time:", &bytes);
+ if(timestore1 != timeRTC.minute) //a minute has expired so send non critical data to screen
+ {
+ led_1= !led_1; //toggle led 1 to show activated
+ lcd.drawRectangle(200, 0, 318, 20, BLACK, FILL); // date refresh
+ lcd.drawRectangle(70, 21, 300, 42, BLACK, FILL); //time refresh
+
+ lcd.printNumber(70,21, timeRTC.hour); // write them to the TFT
+ lcd.printNumber(95,21, timeRTC.minute);
+ // lcd.printNumber(170,21, timeRTC.second);
+ lcd.printNumber(200,0, timeRTC.day);
+ lcd.printNumber(230,0, timeRTC.month);
+ lcd.printNumber(260,0, timeRTC.year);
+ timestore1 = timeRTC.minute; //store new minute value
+ }
+ gsrValue = gsr; //put actual gsr pin input into a variable
+ gsrdelta = gsrbaseline - gsrValue;
+ gsrdeltaabs = abs(gsrdelta);
+
+ if (gsrdeltaabs < gsrbaseline)
+ {
+ gsrdeltaabs = gsrbaseline + gsrdeltaabs; // make all negative values regarding baseline +ve
+ }
+ if((gsrdeltaabs >= gsrbaseline) && (gsrdeltaabs <= gsr1)) // check for being upto 5% of baseline
+ {
+ lcd.drawRectangle(100, 180, 140, 215, GREEN, FILL);
+ // x, y, width, height, colour
+ w=1; //for overal feeling indication
+ }
+ else if((gsrdeltaabs > gsr1) && (gsrdeltaabs <= gsr2)) // check for being > 6% to 10% of baseline
+ {
+ lcd.drawRectangle(100, 180, 140, 215, YELLOW, FILL);
+ //x, y, width, height, colour
+ w=2; //for overal feeling indication
+ }
+ else if((gsrdeltaabs > gsr2) && (gsrdeltaabs <= gsr3)) // check for being > 11% to 15% of baseline
+ {
+ lcd.drawRectangle(100, 180, 140, 215, CYAN, FILL);
+ //x, y, width, height, colour
+ w=3; //for overal feeling indication
+ }
+ else if(gsrdeltaabs > gsr3) // check for being > 16% of baseline
+ {
+ lcd.drawRectangle(100, 180, 140, 215, RED, FILL);
+ //x, y, width, height, colour
+ w=4; //for overal feeling indication
+ }
+
+ hrmValue = hrm; //Heart Rate Monitor
+ heartrate.getValue(p16);
+ rateValue = heartrate.getRate();
+ // if(rateValue) {
+ // printf("\n\r=====BPM==== %d =====\n\r\n\r",rateValue);
+ // lcd.drawRectangle(110, 102, 300, 150, BLACK, FILL); //
+ // lcd.printNumber(110,102, rateValue); //Heart rate digital actual calculated value - real time
+ // lcd.printNumber(110,123, w); // now not used at this point
+ // w=0;
+ // }
+ int d = static_cast<long int>(clock_ms());
+ //printf("Print every second : %d\n\r", d);
+
+ //printf("hrmValue = %f\n\r",hrmValue);
+ // printf("hrm5 = %f\n\r",(hrm5));
+// printf("hrm10 = %f\n\r",(hrm10));
+ //hrmdelta = hrmbaseline - hrmValue;
+ //hrmdeltaabs = abs(hrmdelta);
+// if (hrmdeltaabs < hrmbaseline)
+// {
+// hrmdeltaabs = hrmbaseline + hrmdeltaabs; // make all negative values regarding baseline +ve
+// }
+ if((hrm5) <= hrmValue && hrmValue <= (hrm10)) // check for being in between -5% to 10% of baseline
+ {
+ lcd.drawRectangle(180, 180, 220, 215, GREEN, FILL);
+ //x, y, width, height, colour
+ //printf("green");
+ w=w+1; //for overal feeling indication
+ }
+ else if((hrm10) < hrmValue && hrmValue< (hrm25)) // check for being > +10% to +25% of baseline
+ {
+ lcd.drawRectangle(180, 180, 220, 215, YELLOW, FILL);
+ //printf("yellow");
+ //x, y, width, height, colour
+ w=w+2; //for overal feeling indication
+ }
+ else if(hrmValue < (hrm5)) // check for being <45% of baseline
+ {
+ lcd.drawRectangle(180, 180, 220, 215, BLUE, FILL);
+ //printf("blue");
+ w=w+3; //for overal feeling indication
+ }
+ else if(hrmValue>=(hrm25)) // check for being > 75% of baseline
+ {
+ lcd.drawRectangle(180, 180, 220, 215, RED, FILL);
+ w=w+4; //for overal feeling indication
+ }
+/* if((hrm5) <= hrmValue && hrmValue <= (hrm10)) // check for being in between -5% to 10% of baseline
+ {
+ lcd.drawRectangle(180, 180, 220, 215, GREEN, FILL);
+ //x, y, width, height, colour
+ //printf("green");
+ w=w+1; //for overal feeling indication
+ }
+ else if((hrm10) < hrmValue && hrmValue< (hrm25)) // check for being > +10% to +25% of baseline
+ {
+ lcd.drawRectangle(180, 180, 220, 215, YELLOW, FILL);
+ //printf("yellow");
+ //x, y, width, height, colour
+ w=w+2; //for overal feeling indication
+ }
+ else if(hrmValue < (hrm5)) // check for being <45% of baseline
+ {
+ lcd.drawRectangle(180, 180, 220, 215, BLUE, FILL);
+ //printf("blue");
+ w=w+3; //for overal feeling indication
+ }
+ else if(hrmValue>=(hrm25)) // check for being > 75% of baseline
+ {
+ lcd.drawRectangle(180, 180, 220, 215, RED, FILL);
+ w=w+4; //for overal feeling indication
+ }
+*/
+//overal feeling combined box display
+ if(w < 4) // 1,2or3
+ {
+ lcd.drawRectangle(260, 180, 300, 215, GREEN, FILL);
+ //x, y, width, height, colour
+ //printf("green");
+ }
+ else if(w >= 4 && w < 6) // 4or5
+ {
+ lcd.drawRectangle(260, 180, 300, 215, YELLOW, FILL);
+ //printf("yellow");
+ //x, y, width, height, colour
+ }
+ else if(w >= 6 && w < 8) // 6 or 7
+ {
+ lcd.drawRectangle(260, 180, 300, 215, BLUE, FILL);
+ //printf("blue");
+ }
+ else if(w >= 8) // 8 or above just in case new scheme used later
+ {
+ lcd.drawRectangle(260, 180, 300, 215, RED, FILL);
+ }
+ //w=0; //reset for next time round
+ if(rateValue) {
+ printf("\n\r=====BPM==== %d =====\n\r\n\r",rateValue);
+ lcd.drawRectangle(110, 102, 300, 150, BLACK, FILL); //
+ lcd.printNumber(110,102, rateValue); //Heart rate digital actual calculated value - real time
+ lcd.printNumber(110,123, w); // now not used at this point
+ w=0;
+ }
+
+
+
+ wait(0.1);
+ // lcd.setTextColour(BLACK);
+ // lcd.drawRectangle(200, 0, 318, 20, BLACK, FILL); // date refresh
+ // lcd.drawRectangle(70, 21, 300, 60, BLACK, FILL); //time refresh
+ // lcd.drawRectangle(101, 31, 300, 150, BLACK, FILL); // 101 clears the area of screen with numbers so not to overwrite causing blurred numbers
+ lcd.drawRectangle(110, 60, 300, 101, BLACK, FILL); //110,31,300,150
+ // lcd.printNumber(110,60, gsrbaseline); //gsr baseline value (doesnt change)
+ // lcd.printNumber(110,81, gsrValue); //GSR actual value - real time
+
+ if(timestore2 != timeRTC.second) //a second has expired so send heart rate value to screen
+ {
+ led_2= !led_2;
+ // lcd.drawRectangle(110, 102, 300, 150, BLACK, FILL); //
+ // lcd.printNumber(110,102, rateValue); //Heart rate digital actual calculated value - real time
+ //lcd.printNumber(110,123, rateValue); // now not used at this point
+ timestore2 = timeRTC.second; // store new second value
+ }
+ if(storetosd>1 && storetosd<5)
+ { //if data to be captured to sd card do the following
+ res = lcd.getRTCTimeDate(&timeRTC);
+ length=snprintf(textday,3,"%d",timeRTC.day);
+ length=snprintf(textmonth,3,"%d",timeRTC.month);
+ length=snprintf(texthour,3,"%d",timeRTC.hour);
+ length=snprintf(textminute,3,"%d",timeRTC.minute);
+ length=snprintf(textsecond,3,"%d",timeRTC.second);
+ length=snprintf(textStringgsrb,9,"%f",gsrbaseline);// convert gsr baseline float to character string to send to SD card
+ length=snprintf(textStringgsr,9,"%f",gsrValue);// convert gsr float to character string to send to SD card
+ length=snprintf(textStringhrm,9,"%f",aHRMvalue);// convert analogue hrm float to character string to send to SD card
+
+ // length=snprintf(textStringgsr,9,"%f",gsrValue);// convert float to character string to send to SD card
+ char messageft[60]="\0";
+ if (candidate <1 || candidate>4) {strcat(messageft,"0,");}
+ if (candidate==1) {strcat(messageft,"1,");}
+ if (candidate==2) {strcat(messageft,"2,");}
+ if (candidate==3) {strcat(messageft,"3,");}
+ if (candidate==4) {strcat(messageft,"4,");}
+ if (storetosd==2) {strcat(messageft,"1,");}
+ if (storetosd==3) {strcat(messageft,"15,");}
+ if (storetosd==4) {strcat(messageft,"30,");}
+ strcat(messageft,textStringgsrb);
+ strcat(messageft,",");
+ strcat(messageft,textStringgsr);
+ strcat(messageft,",");
+ strcat(messageft,textStringhrm);
+ strcat(messageft,",");
+ strcat(messageft,textday);// add the hour value
+ strcat(messageft,",");
+ strcat(messageft,textmonth);// add the hour value
+ strcat(messageft,",");
+ strcat(messageft,texthour);// add the hour value
+ strcat(messageft,",");
+ strcat(messageft,textminute);// add the minute value
+ strcat(messageft,",");
+ strcat(messageft,textsecond);// add the hour value
+ strcat(messageft,"\n");
+ pc.printf("%s\r\n",messageft);
+
+ lcd.setTextColour(WHITE);//recording notice on screen
+ lcd.string(15,220,70,238,"Rec", &bytes);
+ wait(0.1);
+ int z;
+
+ if(storetosd==2)
+ { //if data to be captured to sd card every 1 minute do the following
+ if(k==0)
+ {// if timer hasnt been started start it
+ k=1; // start timer once per selected period
+ j=timeRTC.second;// store second value
+ timeRTC.second++; //move the timer forward by one to prevent chance of immediate trigger of timer trap
+ pc.printf("***********************start 1 min timer\r\n");
+ }
+ if(timeRTC.second!=j)
+ { //if second value is different from previous value assue 1 second has expired
+ //k=0;
+ j=timeRTC.second;// store new second value
+ l++; //increment second timer
+ pc.printf("************************** %d seconds have elapsed\r\n",l);
+ if (l==60)
+ { // 60 seconds have elapsed so lets save data to the SD card
+ l=0; //reset 1 minute counter
+ k=0; //reset timer
+ lcd.setTextColour(RED);
+ lcd.string(15,220,70,238,"Rec", &bytes);
+ wait(1);
+ pc.printf("***********reset 1 min timer\r\n");
+ pc.printf("***********saving to file - 1 minute\r\n");
+ writtenBytes=0; //, readbytes=0; //i=0;
+ fres=lcd.SDFwriteFile(messageft, sizeof(messageft), &writtenBytes, WORKSPACE0); //write to the open file in WORKSPACE0 size of message in bytes and store the successfully written Bytes on writtenBytes variable
+ die(fres); //If any error report it
+ lcd.SDFsaveFile(WORKSPACE0); //Save changes in the file contained in WORKSPACE0
+ }
+ }
+ }
+
+ if(storetosd==3)
+ { //if data to be captured to sd card every 15 minutes do the following
+ if(k==0)
+ {// if timer hasnt been started start it
+ k=1; // start timer once per selected period
+ j=timeRTC.minute;// store initial minute value
+ l=0; //clear minute counter
+ }
+ if(k==1)
+ { //if timer started do the following
+ //z=j; // save last value for minute
+ if(timeRTC.minute==j)
+ { //the minute value has not changed
+ z=0;
+ }
+ else
+ { //if the minute value has changed
+ l++; // count how many minutes have passed
+ j=timeRTC.minute;// store new minute value
+ pc.printf("*************************** %d minutes have elapsed\r\n",l);
+ }
+ if(l==15)
+ { // 15 minutes have elapsed so lets save data to the SD card
+ l=0; //reset 15 minute counter
+ k=0; //reset timer
+ lcd.setTextColour(RED);
+ lcd.string(15,220,70,238,"Rec", &bytes);
+ wait(1);
+ pc.printf("***********reset 15 min timer\r\n");
+ pc.printf("***********saving to file - 15 minute\r\n");
+ writtenBytes=0; //, readbytes=0; //i=0;
+ fres=lcd.SDFwriteFile(messageft, sizeof(messageft), &writtenBytes, WORKSPACE0); //write to the open file in WORKSPACE0 size of message in bytes and store the successfully written Bytes on writtenBytes variable
+ die(fres); //If any error report it
+ lcd.SDFsaveFile(WORKSPACE0); //Save changes in the file contained in WORKSPACE0
+ } //end of if 15 mins counted
+ } //end of if timer has started
+ } // end of if 15min capture time selected
+
+
+ if(storetosd==4)
+ { //if data to be captured to sd card every 15 minutes do the following
+ if(k==0)
+ {// if timer hasnt been started start it
+ k=1; // start timer once per selected period
+ j=timeRTC.minute;// store minute value
+ j++; //move the timer along by one to prevent chance of immediate trigger of timer trap
+ pc.printf("*****************************start 30 min timer\r\n");
+ }
+ if(timeRTC.minute!=j)
+ { //if minute value is different from previous value assue 1 minute has expired
+ //k=0;
+ j=timeRTC.minute;// store new minute value
+ l++; //increment minute timer
+ pc.printf("***************************** %d minutes have elapsed\r\n",l);
+ if (l==30)
+ { // 30 minutes have elapsed so lets save data to the SD card
+ l=0; //reset 30 minute counter
+ k=0; //reset timer
+ lcd.setTextColour(RED);
+ lcd.string(15,220,70,238,"Rec", &bytes);
+ wait(1);
+ pc.printf("***********reset 30 min timer\r\n");
+ pc.printf("***********saving to file - 30 minute\r\n");
+ writtenBytes=0; //, readbytes=0; //i=0;
+ fres=lcd.SDFwriteFile(messageft, sizeof(messageft), &writtenBytes, WORKSPACE0); //write to the open file in WORKSPACE0 size of message in bytes and store the successfully written Bytes on writtenBytes variable
+ die(fres); //If any error report it
+ lcd.SDFsaveFile(WORKSPACE0); //Save changes in the file contained in WORKSPACE0
+ }
+ }
+ }
+
+
+ lcd.setTextColour(WHITE);
+ res = lcd.getRTCTimeDate(&timeRTC);
+ pc.printf("%d sec %d min %d \r\n",timeRTC.second, timeRTC.minute, storetosd);
+ // pc.printf("%d \r\n",timeRTC.minute);
+ } //end of storetosd if
+
+
+ if(lcd.touchScreen(&point)==VALID)
+ { //if a touch on screen is valid check which button
+ if(point.y>180 && point.y<215 && point.x<50)
+ { //if the touch on button1 draw the object button1 as SELECTED
+ lcd.objButton(10, 180, 50, 215, SELECTED, "EXIT");
+ wait_ms(50);
+ lcd.objButton(10, 180, 50, 215, DESELECTED, "EXIT");
+ pc.printf("EXIT\r\n"); //debug
+ but1=1;
+ }// end of if button 1 pressed
+ }// end of if screen touched
+ } //end of main loop while Exit button
+
+ if(storetosd>1 && storetosd<5)
+ { //if data to be captured to sd card close the file properly
+ lcd.SDFsaveFile(WORKSPACE0); //Save changes in the file contained in WORKSPACE0
+ //lcd.string(10,row,319,239,"Closing File...",&charsPrinted); row+=15;
+ lcd.SDFcloseFile(WORKSPACE0); //Close the file --------------------
+ }
+ pc.printf("SD open file now saved and closed properly\r\n");
+ wait(3); // wait to show message before starting the program again
+ pc.printf("re-starting the program again\r\n");
+ wait(2);
+ }// end of total program while statement
+ }// end of main program
\ No newline at end of file