Nathan Weiss
Smart watch for ECE4180 final design project. Walter Ley, Srinivas Ravindran, Nathan Weiss
Dependencies: 4DGL-uLCD-SE LSM9DS1_Library_cal_smart_watch MPL3115A2 PinDetect RTC SDFileSystem mbed-rtos mbed
Revision 0:1dae141d9533, committed 2016-04-28
- Comitter:
- nsloth
- Date:
- Thu Apr 28 17:04:18 2016 +0000
- Child:
- 1:65e1d74a137c
- Commit message:
- Final revision of smart watch code for ECE 4180 final design project
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/4DGL-uLCD-SE.lib Thu Apr 28 17:04:18 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/4180_1/code/4DGL-uLCD-SE/#bb45dce5e234
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LSM9DS1_Library_cal.lib Thu Apr 28 17:04:18 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/nsloth/code/LSM9DS1_Library_cal_smart_watch/#6e34bc77a74e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MPL3115A2.lib Thu Apr 28 17:04:18 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/sophtware/code/MPL3115A2/#7c7c1ea6fc33
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PinDetect.lib Thu Apr 28 17:04:18 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/AjK/code/PinDetect/#cb3afc45028b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/RTC.lib Thu Apr 28 17:04:18 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Sissors/code/RTC/#be9d058ee5c7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Thu Apr 28 17:04:18 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/teams/mbed/code/SDFileSystem/#7b35d1709458
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Apr 28 17:04:18 2016 +0000
@@ -0,0 +1,343 @@
+/*Final Design Project Main File || ECE 4180 Section B
+Team members:
+Nathan Weiss
+Walter Ley
+Srinivas Ravindran
+*/
+
+#include "mbed.h"
+#include "rtos.h"
+#include "PinDetect.h"
+#include "MPL3115A2.h"
+#include "LSM9DS1.h"
+#include "uLCD_4DGL.h"
+#include "SDFileSystem.h"
+#include "RTC.h"
+#include <stdlib.h>
+#include <iostream>
+
+uLCD_4DGL uLCD(p13,p14,p17); // serial tx, serial rx, reset pin;
+I2C altI2C(p28,p27);
+Serial pc(USBTX, USBRX);
+MPL3115A2 sensor(&altI2C, NULL);
+RawSerial dev(p9,p10);
+LSM9DS1 lol(p28, p27, 0xD6, 0x3C);
+SDFileSystem sd(p5,p6,p7,p8,"sd");
+Altitude alt;
+Temperature therm;
+Mutex mut;
+DigitalOut myled(LED1);
+PwmOut red(p21); // Red led
+PwmOut blue(p22); //blue led
+PwmOut green(p23); // green LED
+
+//Global variable declarations
+volatile int stepCount = 0;
+volatile bool yPassedMarker = true; //True if y passed 6000, false if y passed -6000
+volatile float thermf = 0.0;
+volatile float oldthermf = 0.0;
+volatile float altf = 0.0;
+volatile float minAltitude = 5000.0;
+volatile float maxAltitude = 0.0;
+volatile float minTemp = 1000.0;
+volatile float maxTemp = 0.0;
+char currDate[9];
+
+void altSensor(void const *args){
+ while(1){
+ mut.lock();
+ sensor.readAltitude(&alt);
+ sensor.readTemperature(&therm);
+ //pc.printf("Altitude: %sft, Temp: %sºF\r\n", alt.print(), therm.print());
+ //pc.printf("OFF_H: 0x%X, OFF_T: 0x%X\r\n", sensor.offsetAltitude(), sensor.offsetTemperature());
+ thermf = atof(therm.print());
+ altf = atof(alt.print());
+ if(thermf > maxTemp) {maxTemp=thermf;}
+ if(thermf < minTemp) {minTemp=thermf;}
+ if(altf > maxAltitude) {maxAltitude=altf;}
+ if(altf < minAltitude) {minAltitude=altf;}
+
+ //pc.printf("Max alt: %f, min alt: %f, max temp: %f, min temp: %f\n\r", maxAltitude, minAltitude, maxTemp, minTemp);
+ mut.unlock();
+ Thread::wait(2000);
+ }
+}
+
+void stepCounter(void const *args){
+ while(1){
+ mut.lock();
+ if(lol.accelAvailable()) {
+ lol.readAccel();
+
+ //Step if y alternates between +/-6000 while x < -3000
+ if(lol.ax < -3000) {
+ //pc.printf("accel: %d %d %d\n\r", lol.ax, lol.ay, lol.az);
+ if(yPassedMarker && lol.ay < -600) {
+ stepCount++;
+ //pc.printf("Step!\n\r");
+ yPassedMarker = false;
+ } else if (!yPassedMarker && lol.ay > 600) {
+ stepCount++;
+ //pc.printf("Step!\n\r");
+ yPassedMarker = true;
+ }
+ }
+ }
+ mut.unlock();
+ Thread::wait(250);
+ }
+}
+
+void readSD(char testDate[], bool isBluetooth){
+ //Writes out the relevant data to the device
+ //led4 = !led4;
+ char data1[100];
+ char data2[100];
+ bool datePassed = false;
+ bool data1Active = true;
+ bool keepLooping = true;
+ FILE *fp = fopen("/sd/mydir/info.txt", "r"); //Open file to append
+ if(fp == NULL) {
+ //uLCD.cls();
+ pc.printf("Could not open file for read\n");
+ return;
+ }
+
+ while(keepLooping) {
+ //save the last string
+ //read in string
+ //if end of file, keep looping should be false
+ if(data1Active) {
+ data1Active = false;
+ memset(data2, 0, sizeof(data2));
+ if (fgets (data2 , 100, fp) == NULL )
+ keepLooping = false;
+ } else {
+ data1Active = true;
+ memset(data1, 0, sizeof(data1));
+ if (fgets (data1 , 100, fp) == NULL )
+ keepLooping = false;
+ }
+
+ if(keepLooping) {
+ //if the string contains the date and the date hasn't yet been found, mark the date as found
+ if(data1Active) {
+ if(!datePassed && (strstr(data1,testDate) != NULL)) {
+ datePassed = true;
+ } else if(datePassed && strstr(data1, testDate) == NULL) { //if we have already found the date but now we've passed it, stop looping
+ keepLooping = false;
+ }
+ } else {
+ if(!datePassed && (strstr(data2,testDate) != NULL)) {
+ datePassed = true;
+ } else if(datePassed && strstr(data2, testDate) == NULL) { //if we have already found the date but now we've passed it, stop looping
+ keepLooping = false;
+ }
+ }
+ }
+ }
+ fclose (fp);
+
+ //At the end of the loop, the relevant data is in the pastData string
+ if(datePassed) {
+ //Parse the data in pastData and store it in the variables
+ if(isBluetooth) {
+ int pastStepCount = 0;
+ float pastMinAlt = 0;
+ float pastMaxAlt = 0;
+ float pastMinTemp = 0;
+ float pastMaxTemp = 0;
+ char output[100];
+ if(data1Active) {
+ sscanf(data2, "%*s %*s %*s %i %*s %f %*s %f %*s %f %*s %f", &pastStepCount, &pastMinAlt, &pastMaxAlt, &pastMinTemp, &pastMaxTemp);
+ pc.printf("Data Exists! And is %s", data2);
+ } else {
+ sscanf(data1, "%*s %*s %*s %i %*s %f %*s %f %*s %f %*s %f", &pastStepCount, &pastMinAlt, &pastMaxAlt, &pastMinTemp, &pastMaxTemp);
+ pc.printf("Data Exists! And is %s", data1);
+ }
+ sprintf(output, "\n\rFor %s:\n\rStep count - %i\n\rMinimum altitude - %5.2f\n\rMaximum altitude - %5.2f\n\rMinimum temp - %5.2f\n\rMaximum temp - %5.2f\n\r", testDate, pastStepCount, pastMinAlt, pastMaxAlt, pastMinTemp, pastMaxTemp);
+ pc.printf("Bluetooth output:%s", output);
+ dev.puts(output);
+ } else {
+ if(data1Active) {
+ //pc.printf("Data Exists! And is %s", data2);
+ sscanf(data2, "%*s %*s %*s %i %*s %f %*s %f %*s %f %*s %f", &stepCount, &minAltitude, &maxAltitude, &minTemp, &maxTemp);
+ } else {
+ //pc.printf("Data Exists! And is %s", data1);
+ sscanf(data1, "%*s %*s %*s %i %*s %f %*s %f %*s %f %*s %f", &stepCount, &minAltitude, &maxAltitude, &minTemp, &maxTemp);
+ }
+ /*minAltitude = 5000.0;
+ maxAltitude = 0.0;
+ minTemp = 5000.0;
+ maxTemp = 0.0;*/
+ }
+ } else {
+ //No prexisting data for that day, so load null data into the variables
+ if(isBluetooth) {
+ //No data for that day
+ char output[80];
+ sprintf(output, "\n\rNo data available for %s.\n\r", testDate);
+ pc.printf("Bluetooth output:%s", output);
+ dev.puts(output);
+ } else {
+ pc.printf("Data does not exist!\n\r");
+ stepCount = 0;
+ }
+ }
+ pc.printf("\n\rWatch stepcount = %i\n\r", stepCount);
+}
+void dev_recv(void const *args)
+{
+ char inputString[9];
+ memset(inputString, 0, sizeof(inputString));
+ int inputIndex = 0;
+ while(1) {
+ if(dev.readable()) {
+ while(dev.readable()) {
+ inputString[inputIndex] = dev.getc();
+ inputIndex++;
+ Thread::wait(100);
+ }
+ pc.printf("search for date:\n\r%s\n\r", inputString);
+ readSD(inputString, true);
+ memset(inputString, 0, sizeof(inputString));
+ inputIndex = 0;
+ }
+ }
+}
+
+void updateSD(){
+ mut.lock();
+ FILE *fp = fopen("/sd/mydir/info.txt", "a"); //Open file to append
+ if(fp == NULL) {
+ //pc.cls();
+ pc.printf("Could not open file for write\n");
+ }
+ fprintf(fp,"date: %s steps: %i min_alt: %5.2f max_alt: %5.2f min_temp: %5.2f max_temp: %5.2f\n\r", currDate, stepCount, minAltitude, maxAltitude, minTemp, maxTemp);
+ fclose(fp);
+ mut.unlock();
+}
+
+void temperatureRGB(void const *args){
+ while(1){
+ mut.lock();
+ if (thermf > oldthermf && ((thermf-oldthermf)>0.5)) {
+ red = 1.0;
+ green = 0.0;
+ blue = 0.0;
+ }
+ else if (thermf < oldthermf && ((oldthermf-thermf)>0.5)) {
+ red= 0.0;
+ green = 0.0;
+ blue =1.0;
+ }
+ else if (thermf < oldthermf && ((oldthermf-thermf)<=0.5) && ((oldthermf-thermf)>=0.15)) {
+ red= 0.0;
+ green =0.8;
+ blue =0.6;
+ }
+
+ else if (thermf > oldthermf && ((thermf-oldthermf)<=0.5) && ((thermf-oldthermf)>=0.15)) {
+ red = 0.6;
+ green=0.8;
+ blue = 0.0;
+ }
+ else {
+ red=0.0;
+ green=1.0;
+ blue=0.0;
+ }
+ oldthermf = thermf;
+ mut.unlock();
+ Thread::wait(1500);
+ }
+}
+
+void lcdDisplay(void const *args){
+ while(1) {
+ mut.lock();
+ uLCD.locate(0,0);
+ uLCD.filled_rectangle(50,66,128,128,BLACK);
+ uLCD.filled_rectangle(0,0,128,64,WHITE);
+ time_t seconds = time(NULL);
+
+ //uLCD.locate(19,19);
+ //time_t seconds = time(NULL);
+ // uLCD.printf("%s", ctime(&seconds));
+ //uLCD.printf("%s", time_buffer);
+ //Print data
+ uLCD.text_width(1);
+ uLCD.text_height(1);
+ uLCD.textbackground_color(BLACK);
+ //uLCD.set_font(FONT_8X12);
+ uLCD.color(BLUE);
+ uLCD.locate(0,9);
+ uLCD.printf("Steps: %*d", 5, stepCount);
+ uLCD.color(GREEN);
+ uLCD.locate(0,11);
+ uLCD.printf("Alt: %*sft", 7, alt.print());
+ uLCD.color(RED);
+ uLCD.locate(0,13);
+ uLCD.printf("Temp: %*sF", 6, therm.print());
+
+ //Print time
+ uLCD.locate(1,2);
+ uLCD.textbackground_color(WHITE);
+ uLCD.color(BLACK);
+ //uLCD.set_font(FONT_8X12);
+ uLCD.text_width(2);
+ uLCD.text_height(2);
+ //uLCD.text_bold(ON);
+ //uLCD.printf("%s", ctime(&seconds));
+ char buffer[32];
+ strftime(buffer, 32, "%I:%M %p", localtime(&seconds));
+ uLCD.printf("%s", buffer);
+
+ mut.unlock();
+ Thread::wait(1000);
+ }
+}
+
+int main(){
+ pc.printf("Program starting!\n\r");
+ myled = 0;
+ uLCD.baudrate(3000000);
+ sensor.init();
+ wait_ms(300);
+ sensor.setOffsetAltitude(113);
+ sensor.setOffsetTemperature(20);
+
+ //set_time(1460806560);
+
+ //mkdir("/sd/mydir", 0777);
+ time_t seconds = time(NULL);
+ strftime(currDate, 9, "%m-%d-%y", localtime(&seconds));
+ pc.printf("Today's date: %s\n\r", currDate);
+ readSD(currDate, false);
+
+ lol.begin();
+ if (!lol.begin()) {
+ pc.printf("Failed to communicate with LSM9DS1.\n");
+ }
+ lol.calibrate();
+
+ uLCD.cls();
+ uLCD.background_color(BLACK);
+
+ red=0;//red=0;
+ green=0; //green=0;
+ blue=0; //blue=0;
+
+ Thread th1(altSensor);
+ Thread th2(stepCounter);
+ Thread th3(lcdDisplay);
+ Thread th4(temperatureRGB);
+ Thread th5(dev_recv);
+
+ while(1){
+ pc.printf("Saving data!\n\r");
+ myled != myled;
+ Thread::wait(30000);
+ updateSD();
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Thu Apr 28 17:04:18 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#bdd541595fc5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Apr 28 17:04:18 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/082adc85693f \ No newline at end of file