Dawood Al Kalbani
Distance srnsor final code
Dependencies: DocTest N5110 PowerControl SRF02 beep mbed
Revision 0:abe1c17c40e1, committed 2015-05-11
- Comitter:
- fy12dsak
- Date:
- Mon May 11 22:50:09 2015 +0000
- Commit message:
- final code
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DocTest.lib Mon May 11 22:50:09 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/eencae/code/DocTest/#6fc14cd8ccf1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/N5110.lib Mon May 11 22:50:09 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/eencae/code/N5110/#ba8addc061ea
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PowerControl.lib Mon May 11 22:50:09 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/JST2011/code/PowerControl/#d0fa2aeb02a4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SRF02.lib Mon May 11 22:50:09 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/eencae/code/SRF02/#8e6587d88773
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/beep.lib Mon May 11 22:50:09 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/dreschpe/code/beep/#d8e14429a95f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon May 11 22:50:09 2015 +0000
@@ -0,0 +1,246 @@
+/**
+@file main.cpp
+@brief car parking senser
+@brief Shows examples of creating Doxygen documentation.
+@brief Revision 1.0.
+@author Dawood Al kalbani
+@date 5 May 2015
+*/
+
+#include "mbed.h"
+#include "N5110.h"
+#include "SRF02.h"
+#include "PowerControl/PowerControl.h"
+#include "PowerControl/EthernetPowerControl.h"
+#include "beep.h"
+#define USR_POWERDOWN (0x104)
+
+int semihost_powerdown() ///Function
+{
+
+ uint32_t arg;
+ return __semihost (USR_POWERDOWN, &arg);
+}
+
+
+
+// VCC,SCE,RST,D/C,MOSI,SCLK,LED
+/// N5110 LCD pins
+N5110 screen(p7,p8,p9,p10,p11,p13,p26);
+// Can also power (VCC) directly from VOUT (3.3 V) -
+// Can give better performance due to current limitation from GPIO pin
+/// SRF02 output pins
+SRF02 sensor(p28,p27);
+//PwmOut buzz(p21);
+BusOut LED(p24);
+/// AnalogIn poten output pin
+AnalogIn Poten(p20);
+Beep buzzer(p21);
+
+Ticker buzzerTimer; ///Ticker
+int buzzerCounterMax; ///buzzer
+
+/// this is the buzzer toggle
+/// buzzerCounter - static int used to ...
+void buzzerToggle(){
+ static int buzzerCounter=0;
+ buzzerCounter = (buzzerCounter>=buzzerCounterMax)?0:buzzerCounter+1;
+ if ((buzzerCounter==0)&&(buzzerCounterMax!=0)){
+ buzzer.beep(1000,0.1);
+
+ }
+ }
+
+InterruptIn startReading (p15); ///InterruptIn
+
+int startFlag = 0; ///flag
+void startRead();
+/// this is the startRead
+void startRead()
+{
+ startFlag = 1;
+}
+
+/// this is the main
+int main()
+{
+
+ int result = semihost_powerdown(); ///
+ buzzerTimer.attach(&buzzerToggle,0.01);
+ // first need to initialise display
+ screen.init();
+ // buzzer = 0.0;
+ screen.printString("Leeds Uni",15,0);
+ wait(1);
+ screen.printString("Dawood",20,1);
+ wait(1);
+ screen.printString("Al Kalbani",15,2);
+ wait(1);
+ screen.printString("200744793",20,3);
+ wait(1);
+ screen.refresh();
+ screen.clear();
+ //button function
+
+
+startReading.rise(&startRead);
+
+ while(1)
+ {
+ if (startFlag)
+
+ {
+ //startFlag = 0;
+
+ //read sensor distance in cm and print over serial port
+ int distance = sensor.getDistanceCm();
+ //serial.printf("Distance = %d cm\n",distance);
+ // short delay before next measurement
+
+ char buffer[14]; // each character is 6 pixels wide, screen is 84 pixels (84/6 = 14)
+ // so can display a string of a maximum 14 characters in length
+ // or create formatted strings - ensure they aren't more than 14 characters long
+
+ int length = sprintf(buffer,"Dist = %2d cm",distance); // print formatted data to buffer
+ // it is important the format specifier ensures the length will fit in the buffer
+
+ if (length <= 14) // if string will fit on display
+ screen.printString(buffer,0,1); // display on screen
+
+ screen.printString("Car reversing",6,2);
+
+ screen.refresh();
+ if(distance < 50)
+ {
+ // buzz = 1.0;
+// buzz.period_ms(10);
+ }
+ else {
+ //buzz = 0.0;
+
+ }
+ if(distance < 50) {
+ LED = 1.0;
+ }
+ else
+ {
+ LED = 0.0;
+ }
+
+ float sound = 250 - distance; /// measure the distance withe the max limite
+ float frequency = sound *2; /// the frequency of sound
+ float period = distance; /// measured distance
+
+ if ( distance < 80 )
+ {
+ if(frequency < 80)
+ frequency = 0;
+ //buzzer.beep(1000,0.1);
+ buzzerCounterMax = distance;
+ //wait(period);
+ }
+
+ screen.setBrightness(Poten.read());
+
+ wait(0.5);
+ /*
+
+ // these are default settings so not strictly needed
+ lcd.normalMode(); // normal colour mode
+ lcd.setBrightness(0.5); // put LED backlight on 50%
+
+ // can directly print strings at specified co-ordinates
+ lcd.printString("Hello, World!",0,0);
+
+ char buffer[14]; // each character is 6 pixels wide, screen is 84 pixels (84/6 = 14)
+ // so can display a string of a maximum 14 characters in length
+ // or create formatted strings - ensure they aren't more than 14 characters long
+ int temperature = 27;
+ int length = sprintf(buffer,"T = %2d C",temperature); // print formatted data to buffer
+ // it is important the format specifier ensures the length will fit in the buffer
+ if (length <= 14) // if string will fit on display
+ lcd.printString(buffer,0,1); // display on screen
+
+ float pressure = 1012.3; // same idea with floats
+ length = sprintf(buffer,"P = %.2f mb",pressure);
+ if (length <= 14)
+ lcd.printString(buffer,0,2);
+
+ // can also print individual characters at specified place
+ lcd.printChar('X',5,3);
+
+ // draw a line across the display at y = 40 pixels (origin top-left)
+ for (int i = 0; i < WIDTH; i++) {
+ lcd.setPixel(i,40);
+ }
+ // need to refresh display after setting pixels
+ lcd.refresh();
+
+ // can also check status of pixels using getPixel(x,y)
+
+ wait(5.0);
+ lcd.clear(); // clear display
+ lcd.inverseMode(); // invert colours
+ lcd.setBrightness(1.0); // put LED backlight on full
+
+ float array[84];
+
+ for (int i = 0; i < 84; i++) {
+ array[i] = 0.5 + 0.5*sin(i*2*3.14/84);
+ }
+
+ // can also plot graphs - 84 elements only
+ // values must be in range 0.0 - 1.0
+ lcd.plotArray(array);
+ wait(5.0);
+ lcd.clear();
+ lcd.normalMode(); // normal colour mode back
+ lcd.setBrightness(0.5); // put LED backlight on 50%
+
+ // example of drawing lines
+ for (int x = 0; x < WIDTH ; x+=10) {
+ // x0,y0,x1,y1,type 0-white,1-black,2-dotted
+ lcd.drawLine(0,0,x,HEIGHT,2);
+ }
+ lcd.refresh(); // need to refresh screen after drawing lines
+
+ wait(5.0);
+ lcd.clear();
+
+ // example of how to draw circles
+ lcd.drawCircle(WIDTH/2,HEIGHT/2,20,1); // x,y,radius,black fill
+ lcd.drawCircle(WIDTH/2,HEIGHT/2,10,2); // x,y,radius,white fill
+ lcd.drawCircle(WIDTH/2,HEIGHT/2,30,0); // x,y,radius,transparent with outline
+ lcd.refresh(); // need to refresh screen after drawing circles
+
+ wait(5.0);
+ lcd.clear();
+
+ // example of how to draw rectangles
+ // origin x,y,width,height,type
+ lcd.drawRect(10,10,50,30,1); // filled black rectangle
+ lcd.drawRect(15,15,20,10,2); // filled white rectange (no outline)
+ lcd.drawRect(2,2,70,40,0); // transparent, just outline
+ lcd.refresh(); // need to refresh screen after drawing rects
+
+
+ wait(5.0);
+ lcd.clear();
+
+ */
+ // Sleep();
+ //wait(0.2);
+ screen.clear();
+
+ if (startReading)
+ {
+ startFlag = 0;
+ }
+ }
+
+
+ }
+
+
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon May 11 22:50:09 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/8ab26030e058 \ No newline at end of file