Nur Faqihah binti Abd Razak
a measuring device that uses ultrasonic distance sensor SRF02 to measure distance
Dependencies: Beep N5110 PowerControl SRF02 beep mbed
Revision 0:1ca8ba125793, committed 2015-05-11
- Comitter:
- FaqihahRazak
- Date:
- Mon May 11 21:36:26 2015 +0000
- Commit message:
- Changes on the actions taken to a specific distance range; ;
Changed in this revision
diff -r 000000000000 -r 1ca8ba125793 Beep.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Beep.lib Mon May 11 21:36:26 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/shimniok/code/Beep/#3eb39e374fc3
diff -r 000000000000 -r 1ca8ba125793 N5110.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/N5110.lib Mon May 11 21:36:26 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/eencae/code/N5110/#ba8addc061ea
diff -r 000000000000 -r 1ca8ba125793 PowerControl.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PowerControl.lib Mon May 11 21:36:26 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/JST2011/code/PowerControl/#d0fa2aeb02a4
diff -r 000000000000 -r 1ca8ba125793 SRF02.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SRF02.lib Mon May 11 21:36:26 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/eencae/code/SRF02/#8e6587d88773
diff -r 000000000000 -r 1ca8ba125793 beep.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/beep.lib Mon May 11 21:36:26 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/dreschpe/code/beep/#d8e14429a95f
diff -r 000000000000 -r 1ca8ba125793 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon May 11 21:36:26 2015 +0000
@@ -0,0 +1,247 @@
+#include "mbed.h"
+#include "SRF02.h"
+#include "N5110.h"
+#include "Beep.h"
+#include "PowerControl/PowerControl.h"
+#include "PowerControl/EthernetPowerControl.h"
+
+#define USR_POWERDOWN (0x104)
+int semihost_powerdown()
+{
+
+ uint32_t arg;
+ return __semihost(USR_POWERDOWN, &arg);
+
+}
+
+
+
+//initialise pin
+N5110 lcd(p7,p8,p9,p10,p11,p13,p26); //pins used for sensor
+SRF02 sensor(p28, p27); //pins used for the range finder sensor
+InterruptIn button(p16); // pins used for buttons to change mode
+Beep buzzer(p21); //pins used for buzzeer
+PwmOut red(p24); //pins for red LED
+PwmOut green(p23); //pins for green LED
+
+//variables
+int buttonFlag=0;
+int distance;
+int mode2=0;
+
+
+//functions to callback
+void intro();
+void getSensorValue();
+void readMode1();
+void rangeAction1();
+void rangeAction2();
+void rangeAction3();
+void buttonPressed();
+void readMode2();
+
+int main()
+{
+ PHY_PowerDown();
+ int result = semihost_powerdown();
+
+ lcd.init();
+ intro(); // to display the intro message
+ lcd.clear();
+
+ button.rise(&buttonPressed); // trigger event on rising edge
+ while(1) {
+
+ int distance = sensor.getDistanceCm();
+ char buffer[14];
+ int length = sprintf(buffer,"D= %d cm",distance);
+ if(length<=14)
+ lcd.printString(buffer,7,3);
+ readMode1();
+ wait(1);
+ lcd.clear();
+ lcd.refresh();
+
+ if (buttonFlag) {
+
+ mode2 =~ mode2;
+ buttonFlag = 0;
+ }
+
+ if (mode2) {
+ getSensorValue();
+ readMode2();
+ lcd.clear();
+
+ }
+
+ }
+}
+
+//welcome message (name, id, project name)
+void intro()
+{
+
+ lcd.printString("Measure Up!",2,0);
+ lcd.printString("Nur Faqihah", 2,2);
+ lcd.printString("Abd Razak", 2,3);
+ lcd.printString("200907347", 2,4);
+ lcd.refresh();
+ wait (3.0);
+}
+
+//to get distance reading from the sensor
+void getSensorValue()
+{
+ distance = sensor.getDistanceCm();
+}
+
+
+// actions for mode 1 based on the disatance range
+void readMode1()
+{
+ if (distance >= 235) {
+
+ lcd.refresh();
+ rangeAction1();
+
+ } else if (distance >= 176 & distance <= 234) {
+ lcd.refresh();
+ rangeAction1();
+
+ } else if (distance >= 150 & distance <= 175) {
+ lcd.refresh();
+ rangeAction2();
+
+ } else if (distance >= 135 & distance <= 149) {
+ lcd.refresh();
+ rangeAction2();
+
+ } else if (distance >= 105 & distance <= 134) {
+ lcd.refresh();
+ rangeAction2();
+
+ } else if (distance >= 75 & distance <= 104) {
+ lcd.refresh();
+ rangeAction3();
+
+ } else if (distance >= 46 & distance <= 74) {
+ lcd.refresh();
+ //rangeAction3();
+
+ } else if (distance <= 45) {
+ red = 1;
+ buzzer.beep(1000, 60);
+ }
+}
+
+
+// actions for mode 2 based on the disatance range
+void readMode2()
+{
+ if (distance >= 235) {
+
+ lcd.printString("Distance",4,1);
+ lcd.printString("Too Long!",6,2);
+ lcd.refresh();
+ rangeAction1();
+
+ } else if (distance >= 176 & distance <= 234) {
+
+ lcd.printString("Distance",4,1);
+ lcd.printString("Too Long!",6,2);
+ lcd.refresh();
+ rangeAction1();
+
+ } else if (distance >= 150 & distance <= 175) {
+
+ lcd.printString("Distance",4,1);
+ lcd.printString("Okay!",2,2);
+ lcd.refresh();
+ rangeAction2();
+
+ } else if (distance >= 135 & distance <= 149) {
+
+ lcd.printString("Distance",4,1);
+ lcd.printString("Okay!",2,2);
+ lcd.refresh();
+ rangeAction2();
+
+ } else if (distance >= 105 & distance <= 134) {
+
+ lcd.printString("Distance",4,1);
+ lcd.printString("Okay!",2,2);
+ lcd.refresh();
+ rangeAction2();
+
+ } else if (distance >= 75 & distance <= 104) {
+
+ lcd.printString("Distance",4,1);
+ lcd.printString("Okay!",2,2);
+ lcd.refresh();
+ rangeAction2();
+
+ } else if (distance >= 46 & distance <= 74) {
+
+ lcd.printString("Distance",4,1);
+ lcd.printString("Too Short!",2,2);
+ lcd.refresh();
+ rangeAction3();
+
+ } else if (distance <= 45) {
+
+ lcd.printString("Distance",4,1);
+ lcd.printString("Too Short!",2,2);
+ lcd.refresh();
+ red = 1;
+ buzzer.beep(1000, 60);
+ }
+}
+
+//Interrupt Service Routine
+void buttonPressed()
+{
+ buttonFlag = 1;
+}
+
+//Actions when range action 1 is achieved
+void rangeAction1(){
+
+ red = 0;
+ green = 1;
+ buzzer.beep(1000,0.5);
+ wait(1);
+ buzzer.nobeep();
+
+}
+
+//Actions when range action 2 is achieved
+void rangeAction2(){
+
+ red = 0;
+ green = 0;
+ buzzer.beep(1000,1);
+ wait(0.5);
+ buzzer.nobeep();
+
+}
+
+//Actions when range action 3 is achieved
+void rangeAction3(){
+
+ red = 1;
+ green = 0;
+ buzzer.beep(1000,0.5);
+ wait(0.2);
+ buzzer.nobeep();
+
+}
+
+
+
+
+
+
+
+
+
diff -r 000000000000 -r 1ca8ba125793 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon May 11 21:36:26 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/8ab26030e058 \ No newline at end of file