Revision 0:d6a8d83e08bc, committed 2018-01-17
- Comitter:
- resetar
- Date:
- Wed Jan 17 19:24:24 2018 +0000
- Commit message:
- Druga Verzija
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/KEY_PAD.lib Wed Jan 17 19:24:24 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/resetar/code/key-pad/#e30bb8d3d806
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.lib Wed Jan 17 19:24:24 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/resetar/code/textlcd/#5054db37870d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Jan 17 19:24:24 2018 +0000
@@ -0,0 +1,161 @@
+#include "mbed.h"
+/** Initial test of the ultrasonic sensor HC-SR04 */
+#include "TextLCD.h"
+#include "KEY_PAD.h"
+TextLCD lcd(p7, p8, p9, p10, p11, p12);
+InterruptIn echo(p5); // echo pin
+DigitalOut trigger(p6); // trigger pin
+Timer timer; // echo pulsewidth measurement
+Timer timer2;
+float brzina=0;
+float predzadnji;
+float vrijeme=0;
+float distance = 0;
+DigitalOut led1(p28);//crveno
+DigitalOut led2(p29);
+DigitalOut led3(p30);
+/** Start the echo pulsewidth measurement */
+void startTimer()
+{
+ timer.start(); // start the timer
+}
+/** Stop the echo pulsewidth measurement */
+void stopTimer()
+{
+ timer.stop(); // stop the timer
+}
+
+Ticker debounce;
+
+
+
+
+
+
+void enable_keys(){
+ red1.fall(&get_row1);
+ red2.fall(&get_row2);
+ red3.fall(&get_row3);
+ red4.fall(&get_row4);
+
+ debounce.detach();
+}
+
+int main() {
+
+ /** configure the rising edge to start the timer */
+ echo.rise(&startTimer);
+
+ /** configure the falling edge to stop the timer */
+ echo.fall(&stopTimer);
+ timer2.start();
+ led1=0;
+ led2=0;
+ led3=1;
+
+ stupci.mode(OpenDrain);
+ stupci.mode(PullUp);
+
+ red1.mode(PullUp);
+ red2.mode(PullUp);
+ red3.mode(PullUp);
+ red4.mode(PullUp);
+
+ red1.fall(&get_row1);
+ red2.fall(&get_row2);
+ red3.fall(&get_row3);
+ red4.fall(&get_row4);
+
+ while(1) {
+ if(red1 == 1 && red2 == 1 && red3 == 1 && red4 == 1){
+ if(key>0){
+ izlaz=key;
+ //pc.printf("\n\r %d", code);
+ __enable_irq();
+ debounce.attach(&enable_keys, 0.5); ////////////////////////////////
+ }
+ key=0;
+ wait_ms(100);
+ }
+
+ switch(pass_code){
+ case(0):
+ lcd.locate(0,3);
+ lcd.printf("Unesite mod rada");
+ break;
+
+ case(123):
+ /** Start the measurement by sending the 10us trigger pulse */
+ trigger = 1;
+ wait_us(10);
+ trigger = 0;
+ /** Wait for the sensor to finish measurement (generate rise and fall interrupts).
+ * Minimum wait time is determined by maximum measurement distance of 400 cm.
+ * t_min = 400 * 58 = 23200 us = 23.2 ms */
+ wait(0.2);
+ predzadnji=distance;
+ /** calculate the distance in cm */
+ distance = timer.read() * 1e6 / 58;
+ timer.reset(); // reset the timer to 0
+ brzina=(distance-predzadnji)/(timer2.read()-vrijeme);
+ timer2.reset();
+ timer2.start();
+ vrijeme=timer2.read();
+ /** Print the result in cm to the terminal with 1 decimal place
+ * (number 5 after % means that total of 5 digits will be reserved
+ * for printing the number, including the dot and one decimal place). */
+
+ if (brzina>=20) {
+ lcd.cls();
+ lcd.locate(0,0);
+ lcd.printf("Daljina:%5.1f cm", distance);
+ lcd.locate(0,1);
+ lcd.printf("Brzina:%5.1f cm/s",brzina);
+ lcd.locate(0,2);
+ lcd.printf("Palim crveno!!!");
+ led3=0;
+ led2=1;
+ wait(3);
+ led2=0;
+ led1=1;
+ wait(10);
+ led2=1;
+ wait(4);
+ led3=1;
+ led1=0;
+ led2=0;
+ } else if (brzina < 20 && brzina >5) {
+ lcd.cls();
+ lcd.locate(0,0);
+ lcd.printf("Daljina:%5.1f cm", distance);
+ lcd.locate(0,1);
+ lcd.printf("Brzina:%5.1f cm/s",brzina);
+ lcd.locate(0,2);
+ lcd.printf("Usporite!");
+ wait(2);
+ } else {
+ lcd.cls();
+ lcd.locate(0,0);
+ lcd.printf("Daljina:%5.1f cm", distance);
+ lcd.locate(0,1);
+ lcd.printf("Brzina:%5.1f cm/s",brzina);
+ lcd.locate(0,2);
+ lcd.printf("OK");
+ }
+ break;
+
+ case(456):
+ lcd.cls();
+ lcd.locate(0,3);
+ lcd.printf(" %d", pass_code);
+ break;
+
+ case(789):
+ lcd.cls();
+ lcd.locate(0,3);
+ lcd.printf(" %d", pass_code);
+ break;
+ }
+
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld Wed Jan 17 19:24:24 2018 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/7130f322cb7e
\ No newline at end of file
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