Adrian Wong
This program allows user to measure distance with SRF02 distance sensor and display the result on a Nokia LCD Display
Dependencies: N5110 PowerControl SRF02 mbed
Diff: main.cpp
- Revision:
- 2:272d9de9f37e
- Parent:
- 1:c720fcb68396
- Child:
- 3:012cdc8e0f75
--- a/main.cpp Fri Apr 10 14:14:52 2015 +0000
+++ b/main.cpp Fri Apr 10 14:38:27 2015 +0000
@@ -74,6 +74,9 @@
timer5.attach(&timer5Expired,0.1); // 2s timer
serial.attach(&serialISR); // attach serial ISR
char buffer[30]; // buffer used to store information
+ char buffer1[14]; // buffer used to store distance for LCD
+ char buffer2[14]; // buffer used to store time for LCD
+ char buffer3[14]; // buffer used to store month/date for LCD
set_time(0); // initialise time to 1st January 1970
led1 = 1;
@@ -87,6 +90,8 @@
time_t seconds = time(NULL); // get current time
// format time into a string (time and date)
strftime(buffer, 30 , "%b %d, %X", localtime(&seconds));
+ strftime(buffer2, 14 , "%X", localtime(&seconds));
+ strftime(buffer3, 14 , "%b %d", localtime(&seconds));
/*if (dFlag) {
writeDataToFile(buffer, distance); // write current value to disk
}*/
@@ -102,20 +107,36 @@
if (uFlag) {
float mdistance = distance/100;
serial.printf("%s, %.2f m\n",buffer, mdistance);
- float length = sprintf(buffer,"D = %.2f m",mdistance);
+ float length = sprintf(buffer1,"D = %.2f m",mdistance);
+ float length1 = sprintf(buffer2,"%s",buffer2);
+ float length2 = sprintf(buffer3,"%s",buffer3);
if (dFlag) {
if (length <= 14) {
- lcd.printString(buffer,7,1);
+ if (length1 <= 14) {
+ if (length2 <= 14) {
+ lcd.printString(buffer1,3,1);
+ lcd.printString(buffer2,18,4);
+ lcd.printString(buffer3,24,3);
+ }
+ }
}
} else {
lcd.drawRect(1,1,84,48,1); // filled black rectangle
}
} else {
serial.printf("%s, %.0f cm\n",buffer, distance);
- float length = sprintf(buffer,"D = %.2f cm",distance);
+ float length = sprintf(buffer1,"D = %.2f cm",distance);
+ float length1 = sprintf(buffer2,"%s",buffer2);
+ float length2 = sprintf(buffer3,"%s",buffer3);
if (dFlag) {
if (length <= 14) {
- lcd.printString(buffer,7,1);
+ if (length1 <= 14) {
+ if (length2 <= 14) {
+ lcd.printString(buffer1,3,1);
+ lcd.printString(buffer2,18,4);
+ lcd.printString(buffer3,24,3);
+ }
+ }
}
} else {
lcd.drawRect(1,1,84,48,1); // filled black rectangle
@@ -134,20 +155,36 @@
if (uFlag) {
float mdistance = distance/100;
serial.printf("%s, %.2f m\n",buffer, mdistance);
- float length = sprintf(buffer,"D = %.2f m",mdistance);
+ float length = sprintf(buffer1,"D = %.2f m",mdistance);
+ float length1 = sprintf(buffer2,"%s",buffer2);
+ float length2 = sprintf(buffer3,"%s",buffer3);
if (dFlag) {
if (length <= 14) {
- lcd.printString(buffer,7,1);
+ if (length1 <= 14) {
+ if (length2 <= 14) {
+ lcd.printString(buffer1,3,1);
+ lcd.printString(buffer2,18,4);
+ lcd.printString(buffer3,24,3);
+ }
+ }
}
} else {
lcd.drawRect(1,1,64,48,1); // filled black rectangle
}
} else {
serial.printf("%s, %.0f cm\n",buffer, distance);
- float length = sprintf(buffer,"D = %.2f cm",distance);
+ float length = sprintf(buffer1,"D = %.2f cm",distance);
+ float length1 = sprintf(buffer2,"%s",buffer2);
+ float length2 = sprintf(buffer3,"%s",buffer3);
if (dFlag) {
if (length <= 14) {
- lcd.printString(buffer,7,1);
+ if (length1 <= 14) {
+ if (length2 <= 14) {
+ lcd.printString(buffer1,3,1);
+ lcd.printString(buffer2,18,4);
+ lcd.printString(buffer3,24,3);
+ }
+ }
}
} else {
lcd.drawRect(1,1,64,48,1); // filled black rectangle
@@ -166,20 +203,36 @@
if (uFlag) {
float mdistance = distance/100;
serial.printf("%s, %.2f m\n",buffer, mdistance);
- float length = sprintf(buffer,"D = %.2f m",mdistance);
+ float length = sprintf(buffer1,"D = %.2f m",mdistance);
+ float length1 = sprintf(buffer2,"%s",buffer2);
+ float length2 = sprintf(buffer3,"%s",buffer3);
if (dFlag) {
if (length <= 14) {
- lcd.printString(buffer,7,1);
+ if (length1 <= 14) {
+ if (length2 <= 14) {
+ lcd.printString(buffer1,3,1);
+ lcd.printString(buffer2,18,4);
+ lcd.printString(buffer3,24,3);
+ }
+ }
}
} else {
lcd.drawRect(1,1,44,48,1); // filled black rectangle
}
} else {
serial.printf("%s, %.0f cm\n",buffer, distance);
- float length = sprintf(buffer,"D = %.2f cm",distance);
+ float length = sprintf(buffer1,"D = %.2f cm",distance);
+ float length1 = sprintf(buffer2,"%s",buffer2);
+ float length2 = sprintf(buffer3,"%s",buffer3);
if (dFlag) {
if (length <= 14) {
- lcd.printString(buffer,7,1);
+ if (length1 <= 14) {
+ if (length2 <= 14) {
+ lcd.printString(buffer1,3,1);
+ lcd.printString(buffer2,18,4);
+ lcd.printString(buffer3,24,3);
+ }
+ }
}
} else {
lcd.drawRect(1,1,44,48,1); // filled black rectangle
@@ -197,21 +250,37 @@
timer1Flag = 0;
if (uFlag) {
float mdistance = distance/100;
- serial.printf("%s, %.2f m\n",buffer, mdistance);
+ serial.printf("%s, %.2f m\n",buffer1, mdistance);
float length = sprintf(buffer,"D = %.2f m",mdistance);
+ float length1 = sprintf(buffer2,"%s",buffer2);
+ float length2 = sprintf(buffer3,"%s",buffer3);
if (dFlag) {
if (length <= 14) {
- lcd.printString(buffer,7,1);
+ if (length1 <= 14) {
+ if (length2 <= 14) {
+ lcd.printString(buffer1,3,1);
+ lcd.printString(buffer2,18,4);
+ lcd.printString(buffer3,24,3);
+ }
+ }
}
} else {
lcd.drawRect(1,1,24,48,1); // filled black rectangle
}
} else {
serial.printf("%s, %.0f cm\n",buffer, distance);
- float length = sprintf(buffer,"D = %.2f cm",distance);
+ float length = sprintf(buffer1,"D = %.2f cm",distance);
+ float length1 = sprintf(buffer2,"%s",buffer2);
+ float length2 = sprintf(buffer3,"%s",buffer3);
if (dFlag) {
if (length <= 14) {
- lcd.printString(buffer,7,1);
+ if (length1 <= 14) {
+ if (length2 <= 14) {
+ lcd.printString(buffer1,3,1);
+ lcd.printString(buffer2,18,4);
+ lcd.printString(buffer3,24,3);
+ }
+ }
}
} else {
lcd.drawRect(1,1,24,48,1); // filled black rectangle
@@ -230,20 +299,36 @@
if (uFlag) {
float mdistance = distance/100;
serial.printf("%s, %.2f m\n",buffer, mdistance);
- float length = sprintf(buffer,"D = %.2f m",mdistance);
+ float length = sprintf(buffer1,"D = %.2f m",mdistance);
+ float length1 = sprintf(buffer2,"%s",buffer2);
+ float length2 = sprintf(buffer3,"%s",buffer3);
if (dFlag) {
if (length <= 14) {
- lcd.printString(buffer,7,1);
+ if (length1 <= 14) {
+ if (length2 <= 14) {
+ lcd.printString(buffer1,3,1);
+ lcd.printString(buffer2,18,4);
+ lcd.printString(buffer3,24,3);
+ }
+ }
}
} else {
lcd.drawRect(1,1,4,48,1); // filled black rectangle
}
} else {
serial.printf("%s, %.0f cm\n",buffer, distance);
- float length = sprintf(buffer,"D = %.2f cm",distance);
+ float length = sprintf(buffer1,"D = %.2f cm",distance);
+ float length1 = sprintf(buffer2,"%s",buffer2);
+ float length2 = sprintf(buffer3,"%s",buffer3);
if (dFlag) {
if (length <= 14) {
- lcd.printString(buffer,7,1);
+ if (length1 <= 14) {
+ if (length2 <= 14) {
+ lcd.printString(buffer1,3,1);
+ lcd.printString(buffer2,18,4);
+ lcd.printString(buffer3,24,3);
+ }
+ }
}
} else {
lcd.drawRect(1,1,4,48,1); // filled black rectangle