![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
semi integrated
Dependencies: Speaker mbed 4DGL-uLCD-SE hcsr04
Diff: main.cpp
- Revision:
- 12:730a95b81992
- Parent:
- 11:68194bd43e0b
- Child:
- 13:a3cdbad9daf4
--- a/main.cpp Wed Dec 16 15:05:27 2020 +0000 +++ b/main.cpp Wed Dec 16 17:20:46 2020 +0000 @@ -1,6 +1,6 @@ #include "mbed.h" #include "hcsr04.h" -#include "Speaker.h" +#include "Speaker.h" #include "uLCD_4DGL.h" HCSR04 distSens(p25,p6); @@ -8,19 +8,17 @@ Speaker mySpeaker(p18); uLCD_4DGL uLCD(p9,p10,p11); - unsigned int dist; - float averageDistance(); void beeping(); float i; int main() { - uLCD.text_width(1); // Normal size - uLCD.text_height(1); // Normal size - uLCD.locate(10, 12); // Move cursor - uLCD.color(BLUE); // Change text color + uLCD.text_width(1); + uLCD.text_height(1); + uLCD.locate(10, 12); + uLCD.color(BLUE); uLCD.printf(" Reverse Sensor"); uLCD.rectangle(65, 117, 126, 127, 0x0000FF); while(1) { @@ -29,15 +27,14 @@ beeping(); uLCD.filled_rectangle(66, 118, 125, 127, 0x000000); pc.printf("cm:%d\n",dist ); - uLCD.text_width(1); // Normal size - uLCD.text_height(1); // Normal size - uLCD.locate(10, 15); // Move cursor - uLCD.color(WHITE); // Change text color + uLCD.text_width(1); + uLCD.text_height(1); + uLCD.locate(10, 15); + uLCD.color(WHITE); uLCD.printf("cm:%1d\n",dist ); - } } -float averageDistance() /** Divide the running total by 10 to get the average distance to get more accurate readings on the sensor**/ +float averageDistance() { int a = distSens.get_dist_cm(); int b = distSens.get_dist_cm(); @@ -56,8 +53,8 @@ void beeping() { int distance = averageDistance(); - - if (distance > 2000) i=0.05; //sensor defaults to 2k+ when dist<~3cm + //sensor defaults to 2k+ when dist<~3cm + if (distance > 2000) i=0.05; if (distance < 150) i=0.6; if (distance < 100) i=0.55; if (distance < 90) i=0.5; @@ -70,6 +67,5 @@ if (distance < 20) i=0.15; if (distance < 10) i=0.1; if (distance < 5) i=0.05; - mySpeaker.PlayNote(600, i, 5.0); - + mySpeaker.PlayNote(600, i, 5.0); } \ No newline at end of file