Tommi Laurila
This is the program that runs on the Mbell (https://sites.google.com/site/projectmbell)
Dependencies: DS1307 LcdWindow TextLCD mbed
Diff: main.cpp
- Revision:
- 0:870ce81eb888
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Oct 25 16:19:55 2012 +0000
@@ -0,0 +1,629 @@
+#include "mbed.h"
+#include "hd44780_8bit.h"
+#include "ds1307.h"
+
+Serial pc(USBTX, USBRX);
+Serial toWifly(p13, p14); // tx, rx
+DS1307 my1307(p28,p27); // start DS1307 class and give it pins for connections of the DS1307 device
+LocalFileSystem local("local"); // Create the local filesystem
+
+ int sec = 0;
+ int min = 0;
+ int hours = 0;
+ int day = 1; //sunday
+ int date = 1;
+ int month = 1;
+ int year = 12; //2012
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+DigitalIn top(p20);
+DigitalIn aup(p18);
+DigitalIn bdw(p17);
+DigitalIn bot(p19);
+
+InterruptIn dbtrig(p24);
+int trigState = 0;
+
+//pushbuttons
+InterruptIn menuButton(p25);
+int menuState = 0;
+
+DigitalIn menuUp(p26);
+DigitalIn menuDown(p29);
+
+//motor control pins
+DigitalOut mena(p21);
+DigitalOut mdown(p22);
+DigitalOut mup(p23);
+
+ void test_rw(int test) {
+ if (test == 0) pc.printf("Last R/W operaion passed!\n\r");
+ else pc.printf("Last R/W operation failed!\n\r");
+ }
+
+void up(void){
+ mup=1;
+ mdown=0;
+}
+
+void down(void) {
+ mup=0;
+ mdown=1;
+}
+
+void stop(void) {
+ mup=0;
+ mdown=0;
+}
+
+void gotoTop(void) {
+ if(top) up();
+ while(top) {
+ led1=1;
+ }
+ stop();
+ led1=0;
+}
+
+void gotoAup(void) {
+ if(aup) up();
+ while(aup) {
+ led2=1;
+ }
+ stop();
+ led2=0;
+}
+
+void gotoBot(void) {
+ if(bot) down();
+ while(bot) {
+ led3=1;
+ }
+ stop();
+
+ //give the ball time to enter lift
+ wait(0.5);
+ led3=0;
+}
+
+//doorbell trigger interrupt routine
+void doorbell() {
+ //a little debouncing
+ wait(0.01);
+ if(dbtrig) trigState = 1;
+}//doorbell
+
+//menu setup trigger interrupt routine
+void menuSetup() {
+ wait(0.06);
+ if(menuButton) menuState = 1;
+}//menuSetup
+
+int main() {
+ //LCD init
+ BusOut *data=new BusOut(p7,p8,p9,p10,p11,p12,p15,p16);
+ HD44780LCD8bit* lcd=new HD44780LCD8bit(16,2,data, p6, p5);
+ lcd->init();
+ lcd->writeText(0,0,"Alustetaan..");
+
+ // set some default time to these values on the ds1307 connected device
+ // test_rw(my1307.settime( sec, min, hours, day, date, month, year));
+
+ wait(1);
+
+ //sensor switches pull down the mbed pins when triggered
+ top.mode(PullUp);
+ aup.mode(PullUp);
+ bdw.mode(PullUp);
+ bot.mode(PullUp);
+
+ //pushbuttons also pull down the mbed pins
+ menuButton.mode(PullUp);
+ menuUp.mode(PullUp);
+ menuDown.mode(PullUp);
+
+ mena = 1; //enable the L293D
+ mdown = 0;
+ mup = 0;
+
+ //do a test run at start to find out where lift is now
+ lcd->writeText(0,0,"Menossa alas");
+ gotoBot();
+
+ lcd->clear();
+ wait(0.1);
+ lcd->writeText(0,0,"Menossa");
+ wait(0.1);
+ lcd->writeText(0,1,"valmiustilaan");
+ gotoAup();
+
+ //setup doorbell interrupt and menu button interrupt
+ dbtrig.rise(&doorbell);
+ menuButton.fall(&menuSetup);
+
+ //main loop
+ while(1) {
+
+ // DISPLAY CURRENT TIME AND DATE /////////////////////
+
+ if(trigState==0 && menuState==0){
+ lcd->clear();
+ wait(0.1);
+
+ //read time from ds1307
+ test_rw(my1307.gettime( &sec, &min, &hours, &day, &date, &month, &year));
+ lcd->locate(0,0);
+ if (day == 1)
+ lcd->printf("Su");
+ if (day == 2)
+ lcd->printf("Ma");
+ if (day == 3)
+ lcd->printf("Ti");
+ if (day == 4)
+ lcd->printf("Ke");
+ if (day == 5)
+ lcd->printf("To");
+ if (day == 6)
+ lcd->printf("Pe");
+ if (day == 7)
+ lcd->printf("La");
+
+ lcd->printf(" %.2D",date);
+ lcd->printf(".%.2D",month);
+ lcd->printf(".20%.2D",year);
+
+ lcd->locate(0,1);
+ lcd->printf("Klo %.2D",hours);
+ lcd->printf(":%.2D",min);
+ //lcd->printf(":%.2D",sec);
+
+ //'nonblocking' wait 5 sec
+ for(int i=0;i<50;i++) {
+ if(trigState==0 && menuState==0) {
+ wait(0.1);
+ }//if
+ else {
+ //break out of loop is doorbell
+ //is triggered
+ break;
+ }//else
+ }//for
+ }//if trigState=0
+
+ // DISPLAY LAST DOORBELL PRESS FROM LOG FILE /////////////////
+
+ if(trigState==0 && menuState==0) {
+
+ //read locally stored log file
+ led1=led2=1;
+
+ char buf[16]; //read 16 chars
+
+ FILE *fp = fopen( "/local/doorbell.txt", "r");
+
+ if(fp!=NULL) {
+ fgets(buf, sizeof(buf)+1, fp);
+ fclose(fp);
+ }//if not fp
+
+ led1=led2=0;
+
+ //print last doorbell ring on lcd
+ lcd->clear();
+ wait(0.1);
+ lcd->locate(0,0);
+ lcd->printf("Edellinen soitto");
+ lcd->locate(0,1);
+ lcd->printf("%s", buf);
+
+ //'nonblocking' wait 5 sec
+ for(int i=0;i<50;i++) {
+ if(trigState==0 && menuState==0) {
+ wait(0.1);
+ }//if
+ else {
+ //break out of loop is doorbell
+ //is triggered
+ break;
+ }//else
+ }//for
+ }//if trigState=0
+
+ //DOORBELL IS PRESSED////////////////////////////
+ if(trigState==1) {
+ lcd->clear();
+ wait(0.1);
+ lcd->writeText(0,0,"Ovikello soi!");
+
+ //log last doorbell press to local filesystem
+ test_rw(my1307.gettime( &sec, &min, &hours, &day, &date, &month, &year));
+
+ led1=led2=1;
+ FILE *fp = fopen("/local/doorbell.txt", "w");
+
+ //16 chars example
+ //1234567890123456
+ //Edellinen soitto
+ //Ma 10.10. 10:10
+ if (day == 1)
+ fprintf(fp, "Su");
+ if (day == 2)
+ fprintf(fp, "Ma");
+ if (day == 3)
+ fprintf(fp, "Ti");
+ if (day == 4)
+ fprintf(fp, "Ke");
+ if (day == 5)
+ fprintf(fp, "To");
+ if (day == 6)
+ fprintf(fp, "Pe");
+ if (day == 7)
+ fprintf(fp, "La");
+
+ fprintf(fp, " %.2D",date);
+ fprintf(fp, ".%.2D",month);
+ fprintf(fp, ". %.2D",hours);
+ fprintf(fp, ":%.2D",min);
+ fclose(fp);
+ led1=led2=0;
+
+ //Write doorbell message to wifly serial.
+ //t-codes:
+ //1: critical
+ //2: error/warning
+ //3: info
+ toWifly.printf("Ovikello&t=3");
+
+ //run the lift
+ gotoTop(); //launch ball
+
+ //wait maximum 20 seconds
+ //(in case bdw sensor fails)
+ int i=0;
+
+ //wait for ball to get down
+ while(bdw) {
+ i++;
+ led4 = !led4;
+ wait(0.05);
+ //100x 0.05 sec = 5 sec
+ //need to count to 400 before break
+
+ //break out of while after 20 seconds
+ if(i>400) {
+ lcd->clear(); //1234567890123456
+ lcd->writeText(0,0,"Palloa ei kuulu,");
+ wait(0.1);
+ lcd->writeText(0,1,"haetaan se silti");
+ wait(3);
+ break;
+ }//if
+ }//while bdw
+ led4=0;
+
+ lcd->clear();
+ lcd->writeText(0,0,"Menossa alas");
+ gotoBot();
+
+ lcd->clear();
+ wait(0.1);
+ lcd->writeText(0,0,"Menossa");
+ wait(0.1);
+ lcd->writeText(0,1,"valmiustilaan");
+ gotoAup();
+
+ //reset interrupt state
+ trigState=0;
+ }//if doorbell
+
+ //if menu button is pressed
+ if(menuState==1) {
+ //reset menu state
+ menuState = 0;
+
+ //read time from ds1307
+ test_rw(my1307.gettime( &sec, &min, &hours, &day, &date, &month, &year));
+
+ //SET HOURS///////////////////////////////////
+
+ lcd->clear();
+ wait(0.1);
+ lcd->writeText(0,0,"Aseta tunti");
+ wait(0.1);
+
+ //print current hour on second row
+ lcd->locate(0,1);
+ lcd->printf("%.2D",hours);
+
+ //loop until menu state button is pressed again
+ while(menuButton) {
+ //if menu up button is pressed
+ if(!menuUp) {
+ wait(0.07); //debounce
+ if(!menuUp) {
+ hours++;
+ if(hours>23) hours=0;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",hours);
+ }//inner if
+ }//if menuup
+
+ //if menu down button is pressed
+ if(!menuDown) {
+ wait(0.07); //debounce
+ if(!menuDown) {
+ hours--;
+ if(hours<0) hours=23;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",hours);
+ }//inner if
+ }//if menuup
+ }//while not menustate hours
+
+ //SET MINUTES/////////////////////////////////////
+
+ lcd->clear();
+ wait(0.1);
+ lcd->writeText(0,0,"Aseta minuutti");
+ wait(0.1);
+
+ //print current min on second row
+ lcd->locate(0,1);
+ lcd->printf("%.2D",min);
+
+ //loop until menu state button is pressed again
+ while(menuButton) {
+ //if menu up button is pressed
+ if(!menuUp) {
+ wait(0.07); //debounce
+ if(!menuUp) {
+ min++;
+ if(min>59) min=0;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",min);
+ }//inner if
+ }//if menuup
+
+ //if menu down button is pressed
+ if(!menuDown) {
+ wait(0.07); //debounce
+ if(!menuDown) {
+ min--;
+ if(min<0) min=59;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",min);
+ }//inner if
+ }//if menuup
+ }//while not menustate min
+
+ //SET SECONDS/////////////////////////////////
+
+ lcd->clear();
+ wait(0.1);
+ lcd->writeText(0,0,"Aseta sekunti");
+ wait(0.1);
+
+ //print current sec on second row
+ lcd->locate(0,1);
+ lcd->printf("%.2D",sec);
+
+ //loop until menu state button is pressed again
+ while(menuButton) {
+ //if menu up button is pressed
+ if(!menuUp) {
+ wait(0.07); //debounce
+ if(!menuUp) {
+ sec++;
+ if(sec>59) sec=0;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",sec);
+ }//inner if
+ }//if menuup
+
+ //if menu down button is pressed
+ if(!menuDown) {
+ wait(0.07); //debounce
+ if(!menuDown) {
+ sec--;
+ if(sec<0) sec=59;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",sec);
+ }//inner if
+ }//if menuup
+ }//while not menustate sec
+
+ //SET WEEKDAY/////////////////////////////////
+
+ lcd->clear();
+ wait(0.1);
+ lcd->writeText(0,0,"Aseta viikonpv");
+ wait(0.1);
+
+ //print current weekday on second row
+ lcd->locate(0,1);
+
+ if (day == 1)
+ lcd->printf("Su");
+ if (day == 2)
+ lcd->printf("Ma");
+ if (day == 3)
+ lcd->printf("Ti");
+ if (day == 4)
+ lcd->printf("Ke");
+ if (day == 5)
+ lcd->printf("To");
+ if (day == 6)
+ lcd->printf("Pe");
+ if (day == 7)
+ lcd->printf("La");
+
+ //loop until menu state button is pressed again
+ while(menuButton) {
+ //if menu up button is pressed
+ if(!menuUp) {
+ wait(0.07); //debounce
+ if(!menuUp) {
+ day++;
+ if(day>7) day=1;
+ lcd->locate(0,1);
+ if (day == 1)
+ lcd->printf("Su");
+ if (day == 2)
+ lcd->printf("Ma");
+ if (day == 3)
+ lcd->printf("Ti");
+ if (day == 4)
+ lcd->printf("Ke");
+ if (day == 5)
+ lcd->printf("To");
+ if (day == 6)
+ lcd->printf("Pe");
+ if (day == 7)
+ lcd->printf("La");
+ }//inner if
+ }//if menuup
+
+ //if menu down button is pressed
+ if(!menuDown) {
+ wait(0.07); //debounce
+ if(!menuDown) {
+ day--;
+ if(day<1) day=7;
+ lcd->locate(0,1);
+ if (day == 1)
+ lcd->printf("Su");
+ if (day == 2)
+ lcd->printf("Ma");
+ if (day == 3)
+ lcd->printf("Ti");
+ if (day == 4)
+ lcd->printf("Ke");
+ if (day == 5)
+ lcd->printf("To");
+ if (day == 6)
+ lcd->printf("Pe");
+ if (day == 7)
+ lcd->printf("La");
+ }//inner if
+ }//if menuup
+ }//while not menustate weekday
+
+ //SET DATE/////////////////////////////////
+
+ lcd->clear();
+ wait(0.1);
+ lcd->writeText(0,0,"Aseta pvm");
+ wait(0.1);
+
+ //print current date on second row
+ lcd->locate(0,1);
+ lcd->printf("%.2D",date);
+
+ //loop until menu state button is pressed again
+ while(menuButton) {
+ //if menu up button is pressed
+ if(!menuUp) {
+ wait(0.07); //debounce
+ if(!menuUp) {
+ date++;
+ if(date>31) date=1;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",date);
+ }//inner if
+ }//if menuup
+
+ //if menu down button is pressed
+ if(!menuDown) {
+ wait(0.07); //debounce
+ if(!menuDown) {
+ date--;
+ if(date<1) date=31;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",date);
+ }//inner if
+ }//if menuup
+ }//while not menustate date
+
+ //SET MONTH/////////////////////////////////
+
+ lcd->clear();
+ wait(0.1);
+ lcd->writeText(0,0,"Aseta kuukausi");
+ wait(0.1);
+
+ //print current sec on second row
+ lcd->locate(0,1);
+ lcd->printf("%.2D",month);
+
+ //loop until menu state button is pressed again
+ while(menuButton) {
+ //if menu up button is pressed
+ if(!menuUp) {
+ wait(0.07); //debounce
+ if(!menuUp) {
+ month++;
+ if(month>12) month=1;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",month);
+ }//inner if
+ }//if menuup
+
+ //if menu down button is pressed
+ if(!menuDown) {
+ wait(0.07); //debounce
+ if(!menuDown) {
+ month--;
+ if(month<1) month=12;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",month);
+ }//inner if
+ }//if menuup
+ }//while not menustate month
+
+ //SET YEAR/////////////////////////////////
+
+ lcd->clear();
+ wait(0.1);
+ lcd->writeText(0,0,"Aseta vuosi");
+ wait(0.1);
+
+ //print current year on second row
+ lcd->locate(0,1);
+ lcd->printf("%.2D",year);
+
+ //loop until menu state button is pressed again
+ while(menuButton) {
+ //if menu up button is pressed
+ if(!menuUp) {
+ wait(0.07); //debounce
+ if(!menuUp) {
+ year++;
+ if(sec>2100) year=2000;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",year);
+ }//inner if
+ }//if menuup
+
+ //if menu down button is pressed
+ if(!menuDown) {
+ wait(0.07); //debounce
+ if(!menuDown) {
+ year--;
+ if(year<2000) year=2100;
+ lcd->locate(0,1);
+ lcd->printf("%.2D",year);
+ }//inner if
+ }//if menuup
+ }//while not menustate year
+
+ //store new values in ds1307
+ test_rw(my1307.settime( sec, min, hours, day, date, month, year));
+ menuState = 0;
+ }//if menustate
+
+ }//while 1
+}//main