Lorenzo Arrigoni
The Nucleo Distance Calculator Simple code to use HCSR04 and nokia 5110 to display distance and ring a buzzer when the distance is lower than a certain threshold.
Dependencies: N5110 NOKIA_5110 mbed
Fork of
UltraTest
by 
stephen smitherman
Revision 1:56e6200a897b, committed 2015-11-30
- Comitter:
- loarri
- Date:
- Mon Nov 30 15:44:40 2015 +0000
- Parent:
- 0:f91b4b2acbe1
- Commit message:
- The Nucleo Distance Calculator.; First release
Changed in this revision
--- a/HCSR04.lib Tue Mar 11 21:20:40 2014 +0000 +++ b/HCSR04.lib Mon Nov 30 15:44:40 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/srsmitherman/code/HCSR04/#3ebde19131af +https://developer.mbed.org/users/loarri/code/HCSR04_la/#1a68890774f3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/N5110.lib Mon Nov 30 15:44:40 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/eencae/code/N5110/#ba8addc061ea
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NOKIA_5110.lib Mon Nov 30 15:44:40 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Fuzball/code/NOKIA_5110/#9cfce382e741
--- a/main.cpp Tue Mar 11 21:20:40 2014 +0000
+++ b/main.cpp Mon Nov 30 15:44:40 2015 +0000
@@ -1,18 +1,96 @@
+//==================================
+// The Nucleo Distance Calculator
+// v. 1.0
+//==================================
+// by Lorenzo Arrigoni
+// laelectronics@libero.it
+//----------------------------------
+// November 2015
+////////////////////////////////////////////
+// This is a simple that measures the distance
+// and signals in video and with a buzzer if
+// the measured distance is below a certain threshold.
+//////////////////////////////////////////
+
#include "mbed.h"
#include "HCSR04.h"
+#include "NOKIA_5110.h"
-DigitalOut myled(LED1);
-Serial pc(USBTX,USBRX);
-HCSR04 ultra(p12,p11);
+
+DigitalOut buzzer(D7) ;
+HCSR04 ultra(D3,D4); //pin trigger, pin echo
+
+//treshold for buzzer
+#define treshold 5 // cm
+
+int start_position =0.5 ;
+int current_position = start_position ;
+
+// swith on/off for bluetooth
+#define BLUE 0
+
+// debug mode
+#define DEBUG 1
+
+#if DEBUG == 0
+//#define PC_DEBUG(args...) pc.printf(args)
+#else
+//#define PC_DEBUG(args...)
+#endif
+
+#if BLUE == 1
+Serial pc(D8,D2);
+#else
+Serial pc(USBTX, USBRX);
+#endif
+
+
+
float range=0;
+//char gg ;
+
+void blink_buzz(DigitalOut name, float time)
+{
+ name = 1 ;
+ wait_ms(time);
+ name = 0 ;
+}
int main() {
-
- pc.printf("Program Start\n");
+ // initialize
+ buzzer = 0 ;
+
+ LcdPins myPins;
+ myPins.sce = D8;
+ myPins.rst = D9;
+ myPins.dc = D10;
+ myPins.mosi = D11; //SPI_MOSI;
+ myPins.miso = NC;
+ myPins.sclk = D13; //SPI_SCK;
+ NokiaLcd myLcd( myPins );
+
+
+ /// LCD initialization
+ myLcd.InitLcd(); // LCD init
+ myLcd.DrawString("Loarri - 2015");
+ myLcd.SetXY(0,2);
+ myLcd.DrawString("LCD set up complete");
+ myLcd.SetXY(0,2);
+ wait(2);
+ myLcd.ClearLcdMem();
+ /// end LCD initialization
+
+
+ //pc.printf("Program Start\n\r");
+ myLcd.DrawString("Program Start");
+ wait(1);
+ myLcd.ClearLcdMem();
+ //myservo = start_position ; //set servo at 0 degree
+ current_position = start_position ;
while(1) {
-
+ //myLcd.ClearLcdMem();
ultra.startMeas();
wait(0.2);
@@ -20,7 +98,27 @@
if( ultra.getMeas(range) == RANGE_MEAS_VALID)
{
- pc.printf("Range - %f\n\r", range);
+ pc.printf("Range -> %f cm\n\r", range);
+ myLcd.SetXY(0,1);
+ myLcd.DrawString("Range -> ");
+ myLcd.SetXY(0,2);
+ int i=(int)range;
+ pc.printf("valore di i -> %i cm\n\r", i);
+ char gg[4] ;
+ sprintf(gg, "%f", range);
+ pc.printf("valore di gg -> %c cm\n\r", gg);
+ //gg = NokiaLcd::NumToStr(range) ;
+ myLcd.DrawString(gg);
+ myLcd.SetXY(0,3);
+ myLcd.DrawString(" cm");
+ if (range < treshold ) {
+ blink_buzz(buzzer,10);
+ myLcd.ClearLcdMem();
+ myLcd.SetXY(0,1);
+ myLcd.DrawString("Soglia superata.");
+ wait(1);
+ myLcd.ClearLcdMem();
+ }
}
}
}
--- a/mbed.bld Tue Mar 11 21:20:40 2014 +0000 +++ b/mbed.bld Mon Nov 30 15:44:40 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/8e73be2a2ac1 \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/34e6b704fe68 \ No newline at end of file