eunkyoung kim
powerpoint page control using the bluetooth
Parts
- WIZwiki-W7500ECO : Rerence Document :http://wizwiki.net/wiki/doku.php?id=products:wizwiki-w7500eco:start
- JMODE-BT-1 : - Reference Document : http://eleparts.co.kr/data/design/product_file/Hoon/JCnet/JMOD-BT-1-2.pdf Bluetooth 모듈이라면 뭐든지 상관없습니다.
- Jumper line
- Push Switch
Schematic
Program
- mbed web compiler
- Processing
Software
Link :https://developer.mbed.org/users/eunkyoungkim/code/Bluetooth_PPT_Control/
include the mbed library with this snippet
#include "mbed.h"
DigitalOut right_led(PA_1);
DigitalOut left_led(PA_2);
Serial bt(P13, P14); // tx, rx
bool left_flag = false;
bool right_flag = false;
void left_handler(void) {
left_flag = true;
}
void right_handler(void) {
right_flag = true;
}
int main() {
// Disable the battery charger unless a battery is attached.
right_led = 1;
left_led = 1;
bt.baud(115200);
InterruptIn leftsw(PC_6);
InterruptIn rightsw(PC_7);
leftsw.rise(&left_handler);
rightsw.rise(&right_handler);
while (true) {
if (left_flag) {
bt.printf("1\n");
left_flag = false;
left_led = 0;
wait_ms(500);
left_led = 1;
}
if (right_flag) {
bt.printf("2\n");
right_flag = false;
right_led = 0;
wait_ms(500);
right_led = 1;
}
}
}
Processing
include the mbed library with this snippet
import processing.serial.*;
import java.awt.*;
import java.awt.event.KeyEvent;
Serial myPort;
boolean temp;
void setup(){
println(Serial.list());
println(Serial.list()[0]);
String portName = Serial.list()[0];
myPort = new Serial(this, portName, 9600);
myPort.bufferUntil('\n');
}
void draw(){
serialEvent(myPort);
}
void serialEvent(Serial myPort){
String inputString = myPort.readStringUntil('\n');
try{
inputString = trim(inputString);
RobotTest(inputString);
}catch(NullPointerException ne){
inputString = "0";
}
// 블루투스 통신을 통해 받아온 데이터를 받습니다.
}
void RobotTest(String temp) {
try{
Robot robot = new Robot();
robot.setAutoDelay(1000);
if(temp.equals("1")){
robot.keyPress(KeyEvent.VK_RIGHT);
}
// '1'이 들어왔을 경우 키보드 오른쪽 버튼을 누릅니다.
else if(temp.equals("2")){
robot.keyPress(KeyEvent.VK_LEFT);
}
// '2'가 들어왔을 경우 키보드 왼쪽 버튼을 누릅니다.
}catch(Exception e){
}
}