Kristyn DiGiovanni
Demo Code version of the Project Test Drive.
Dependencies: mbed mbed-rtos PinDetect
Revision 0:c18a60fc6636, committed 2019-11-28
- Comitter:
- kristyn1230
- Date:
- Thu Nov 28 03:53:53 2019 +0000
- Commit message:
- Final Project for ECE4180 - Project Test Drive;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PinDetect.lib Thu Nov 28 03:53:53 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/AjK/code/PinDetect/#cb3afc45028b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Nov 28 03:53:53 2019 +0000
@@ -0,0 +1,218 @@
+#include "mbed.h"
+#include "rtos.h"
+#include "PinDetect.h"
+
+
+RawSerial pc(USBTX, USBRX);
+DigitalOut myled(p21);
+DigitalOut myled2(p22);
+PinDetect pb(p26, PullDown);
+PinDetect pb2(p27, PullDown);
+PwmOut speaker(p25);
+Timer t1;
+Timer t2;
+const int TEN_SEC_DEL = 5000; // Change back to 10 seconds (changed for testing purposes)
+const int WINDOW_SIZE = 5;
+const float INCORRECT_PENALTY = 3.00;
+const float WEIGHT = 1.25;
+
+volatile float rxn_time = 0;
+volatile int pb1_asserted = 0;
+volatile int pb2_asserted = 0;
+volatile int pb1_chosen = 0;
+volatile int pb2_chosen = 0;
+volatile int total_count = 0;
+volatile int incorrect_count = 0;
+volatile int interval = 0;
+volatile bool timeout = false;
+volatile float baseline_avg = 0;
+volatile float current_avg = 0;
+volatile float readings[WINDOW_SIZE]; // Change back to 10 later
+volatile int step = 0;
+volatile bool calc_baseline = false;
+
+
+void clear_timers() {
+ t1.stop();
+ t1.reset();
+ t2.stop();
+ t2.reset();
+}
+
+void flash(void const *args) {
+ float timeout_time = 0;
+ while(1){
+
+ if(t1.read()>0 || t2.read()>0){
+ clear_timers();
+ incorrect_count++;
+ timeout = true;
+
+ // Add in the timeout reading into the current average
+ if (baseline_avg != 0) {
+ // Convert to seconds
+ readings[step] = timeout_time / 1000.0;
+ step++;
+ if (step == WINDOW_SIZE) {
+ step = 0;
+ }
+ }
+ }
+
+ int choose = rand()%2;
+ if (choose == 0) {
+ pb1_chosen = 1;
+ myled = 1;
+ t1.start();
+ Thread::wait(1000);
+ myled = 0;
+ } else {
+ pb2_chosen = 1;
+ myled2 = 1;
+ t2.start();
+ Thread::wait(1000);
+ myled2 = 0;
+ }
+
+ float weight = rand() / (float) RAND_MAX;
+ timeout_time = (int) (TEN_SEC_DEL * weight);
+ Thread::wait(timeout_time);
+
+ total_count++;
+ interval++;
+ }
+}
+
+void button_ready(void) {
+ pb1_asserted = 1;
+ rxn_time = t1.read();
+ readings[step] = rxn_time;
+ step++;
+ if (step == WINDOW_SIZE) {
+ calc_baseline = true;
+ step = 0;
+ }
+ t1.stop();
+ t1.reset();
+}
+
+void button_ready2(void) {
+ pb2_asserted = 1;
+ rxn_time = t2.read();
+ readings[step] = rxn_time;
+ step++;
+ if (step == WINDOW_SIZE) {
+ calc_baseline = true;
+ step = 0;
+ }
+ t2.stop();
+ t2.reset();
+}
+
+void sound(void const* args) {
+ bool playOnce = true;
+ while(1) {
+ if (baseline_avg != 0 && playOnce) {
+ speaker.period(1.0/1000.0);
+ speaker = 0.5;
+ Thread::wait(500);
+ speaker = 0;
+ playOnce = false;
+ }
+
+ if (baseline_avg != 0 && current_avg >= WEIGHT * baseline_avg) {
+ speaker.period(1.0/100.0);
+ speaker = 0.5;
+ Thread::wait(250);
+ speaker = 0;
+ Thread::wait(250);
+ speaker.period(1.0/200.0);
+ speaker = 0.5;
+ Thread::wait(250);
+ speaker = 0;
+ Thread::wait(250);
+ }
+
+ Thread::wait(100);
+ }
+}
+
+int main() {
+
+ pc.printf("System starting in ...");
+ for(int i = 1; i <= 5; i++) {
+ pc.printf("%d...", i);
+ wait(1);
+ }
+ pc.printf("Go!\n\r");
+ pb.attach_deasserted(&button_ready);
+ pb.setSampleFrequency();
+ pb2.attach_deasserted(&button_ready2);
+ pb2.setSampleFrequency();
+
+ Thread thread1(flash);
+ Thread thread2(sound);
+
+ float accuracy;
+ pc.printf("Starting Training Phase\n\r");
+
+ while(1) {
+ // Change back to 10 later
+ if (calc_baseline && baseline_avg == 0) {
+ float sum = 0;
+ for (int j = 0; j < WINDOW_SIZE; j++)
+ sum += readings[j];
+
+ baseline_avg = sum / WINDOW_SIZE;
+ pc.printf("Training Complete -- Baseline Average Established\n\r");
+ } else {
+ float sum = 0;
+ for (int j = 0; j < WINDOW_SIZE; j++)
+ sum += readings[j];
+ current_avg = sum / WINDOW_SIZE;
+ }
+
+ if (pb1_chosen && pb1_asserted == 1 && rxn_time != 0) {
+ pb1_asserted = 0;
+ pc.printf("Reaction Time: %fs Baseline Reaction Time: %fs Average Reaction Time: %fs \n\r", rxn_time, baseline_avg, current_avg);
+ pb1_chosen = 0;
+ clear_timers();
+ } else if (pb2_chosen && pb2_asserted == 1 && rxn_time != 0) {
+ pb2_asserted = 0;
+ pc.printf("Reaction Time: %fs Baseline Reaction Time: %fs Average Reaction Time: %fs \n\r", rxn_time, baseline_avg, current_avg);
+ pb2_chosen = 0;
+ clear_timers();
+ } else if(pb1_asserted || pb2_asserted) {
+ pc.printf("Wrong Button Press\n\r");
+ pb1_asserted = 0;
+ pb2_asserted = 0;
+
+ // Penalize for the wrong button press into the current average
+ if (baseline_avg != 0) {
+ readings[step] = INCORRECT_PENALTY;
+ step++;
+ if (step == WINDOW_SIZE) {
+ step = 0;
+ }
+ }
+
+ clear_timers();
+ incorrect_count++;
+ } else if (timeout) {
+ pc.printf("Button timeout\n\r");
+ timeout = false;
+ }
+
+
+ if((interval%5==0)&&(interval!=0)){
+ accuracy = ((float) total_count - incorrect_count)/total_count;
+ accuracy = accuracy*100;
+ pc.printf("--- TotalCount: %d IncorrectCount: %d Current Accuracy: %.2f%% ---\n\r", total_count, incorrect_count, accuracy);
+ pc.printf("\n\r");
+ //pc.printf("Current Accuracy: %.2f%%\n\r", accuracy);
+ interval = 0;
+ }
+
+ Thread::wait(100);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Thu Nov 28 03:53:53 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed-rtos/#5713cbbdb706
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Nov 28 03:53:53 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file