Reza Mashayekhi / Mbed 2 deprecated Shared_SensorNode_v5_copy

Ultrasonic Sensor node code version 5

Dependencies:   C12832_lcd HCSR04 mbed

main.cpp@0:2948cf3a6cb1, 2018-07-16 (annotated)

Committer:
mreda
Date:
Mon Jul 16 08:11:07 2018 +0000
Revision:
0:2948cf3a6cb1
UM fsktm Malaysia

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mreda 0:2948cf3a6cb1 1 //Code to send serial comms on
mreda 0:2948cf3a6cb1 2 //mbed appBoard with xbees
mreda 0:2948cf3a6cb1 3 #include "mbed.h"
mreda 0:2948cf3a6cb1 4 #include "C12832_lcd.h" // Include for LCD code
mreda 0:2948cf3a6cb1 5 #include "stdlib.h"
mreda 0:2948cf3a6cb1 6 #include"string"
mreda 0:2948cf3a6cb1 7 #include"stdio.h"
mreda 0:2948cf3a6cb1 8 #include "hcsr04.h"
mreda 0:2948cf3a6cb1 9
mreda 0:2948cf3a6cb1 10 // watchdog
mreda 0:2948cf3a6cb1 11
mreda 0:2948cf3a6cb1 12 class Watchdog {
mreda 0:2948cf3a6cb1 13 public:
mreda 0:2948cf3a6cb1 14 // Load timeout value in watchdog timer and enable
mreda 0:2948cf3a6cb1 15 void kick(float s) {
mreda 0:2948cf3a6cb1 16 LPC_WDT->WDCLKSEL = 0x1; // Set CLK src to PCLK
mreda 0:2948cf3a6cb1 17 uint32_t clk = SystemCoreClock / 16; // WD has a fixed /4 prescaler, PCLK default is /4
mreda 0:2948cf3a6cb1 18 LPC_WDT->WDTC = s * (float)clk;
mreda 0:2948cf3a6cb1 19 LPC_WDT->WDMOD = 0x3; // Enabled and Reset
mreda 0:2948cf3a6cb1 20 kick();
mreda 0:2948cf3a6cb1 21 }
mreda 0:2948cf3a6cb1 22 // "kick" or "feed" the dog - reset the watchdog timer
mreda 0:2948cf3a6cb1 23 // by writing this required bit pattern
mreda 0:2948cf3a6cb1 24 void kick() {
mreda 0:2948cf3a6cb1 25 LPC_WDT->WDFEED = 0xAA;
mreda 0:2948cf3a6cb1 26 LPC_WDT->WDFEED = 0x55;
mreda 0:2948cf3a6cb1 27 }
mreda 0:2948cf3a6cb1 28 };
mreda 0:2948cf3a6cb1 29
mreda 0:2948cf3a6cb1 30 Watchdog wdt;
mreda 0:2948cf3a6cb1 31
mreda 0:2948cf3a6cb1 32 //int SendSt (string );
mreda 0:2948cf3a6cb1 33 HCSR04 usensor(p12,p13); // trig p12, echo p13
mreda 0:2948cf3a6cb1 34 //Initialize xbee
mreda 0:2948cf3a6cb1 35 Serial xbee(p9, p10);
mreda 0:2948cf3a6cb1 36 DigitalOut rst1(p30);
mreda 0:2948cf3a6cb1 37
mreda 0:2948cf3a6cb1 38 //Initialize lcd
mreda 0:2948cf3a6cb1 39 C12832_LCD lcd;
mreda 0:2948cf3a6cb1 40
mreda 0:2948cf3a6cb1 41 int main()
mreda 0:2948cf3a6cb1 42 {
mreda 0:2948cf3a6cb1 43 wdt.kick(5.0);
mreda 0:2948cf3a6cb1 44 // reset the xbees (at least 200ns)
mreda 0:2948cf3a6cb1 45 rst1 = 0;
mreda 0:2948cf3a6cb1 46 wait_ms(1);
mreda 0:2948cf3a6cb1 47 rst1 = 1;
mreda 0:2948cf3a6cb1 48 wait_ms(1);
mreda 0:2948cf3a6cb1 49 //Setup LCD screen
mreda 0:2948cf3a6cb1 50 lcd.cls();
mreda 0:2948cf3a6cb1 51 lcd.locate(0,1);
mreda 0:2948cf3a6cb1 52 //--------------------------------variables------------------------------------
mreda 0:2948cf3a6cb1 53 int s[]={'0','1','2','3','4','5','6','7','8','9'};
mreda 0:2948cf3a6cb1 54 int s1[]={11,50,11,11};
mreda 0:2948cf3a6cb1 55 int i;
mreda 0:2948cf3a6cb1 56 int n;
mreda 0:2948cf3a6cb1 57 int dist, toSend,dist1;
mreda 0:2948cf3a6cb1 58 while(1)
mreda 0:2948cf3a6cb1 59 {
mreda 0:2948cf3a6cb1 60 usensor.start();
mreda 0:2948cf3a6cb1 61 wait_ms(500);
mreda 0:2948cf3a6cb1 62 dist=0;
mreda 0:2948cf3a6cb1 63 for(int i=0;i<20;i++)
mreda 0:2948cf3a6cb1 64 dist+=usensor.get_dist_cm();
mreda 0:2948cf3a6cb1 65 dist/=20;
mreda 0:2948cf3a6cb1 66 dist1=dist;
mreda 0:2948cf3a6cb1 67 xbee.putc('$');
mreda 0:2948cf3a6cb1 68 lcd.locate(0,0);
mreda 0:2948cf3a6cb1 69 lcd.printf("The distance is : %d ",dist1);
mreda 0:2948cf3a6cb1 70
mreda 0:2948cf3a6cb1 71 i=0;
mreda 0:2948cf3a6cb1 72 do
mreda 0:2948cf3a6cb1 73 {
mreda 0:2948cf3a6cb1 74 toSend=dist%10;
mreda 0:2948cf3a6cb1 75 s1[i]=s[toSend];
mreda 0:2948cf3a6cb1 76 i++;
mreda 0:2948cf3a6cb1 77 dist/=10;
mreda 0:2948cf3a6cb1 78 }while(dist!=0);
mreda 0:2948cf3a6cb1 79
mreda 0:2948cf3a6cb1 80 for(n=i-1;n>=0;n--)
mreda 0:2948cf3a6cb1 81 {
mreda 0:2948cf3a6cb1 82 xbee.putc(s1[n]);
mreda 0:2948cf3a6cb1 83
mreda 0:2948cf3a6cb1 84 }
mreda 0:2948cf3a6cb1 85
mreda 0:2948cf3a6cb1 86 xbee.putc('$');
mreda 0:2948cf3a6cb1 87 wdt.kick();
mreda 0:2948cf3a6cb1 88
mreda 0:2948cf3a6cb1 89 }//while(1)
mreda 0:2948cf3a6cb1 90 }// int main()