Revision 0:b33b91b2061f, committed 2013-07-11

Comitter:

OGA

Date:

Thu Jul 11 10:46:18 2013 +0000

Commit message:

1

Changed in this revision

diff -r 000000000000 -r b33b91b2061f TextLCD.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.lib	Thu Jul 11 10:46:18 2013 +0000
@@ -0,0 +1,1 @@
+https://mbed.org/users/simon/code/TextLCD/#44f34c09bd37

diff -r 000000000000 -r b33b91b2061f main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jul 11 10:46:18 2013 +0000
@@ -0,0 +1,22 @@
+#include "main.h"
+#include "mbed.h"
+#include "TextLCD.h"
+
+DigitalOut myled = LED1;
+
+TextLCD lcd(p24, p26, p27, p28, p29, p30);
+
+int main(){
+
+    timer2.start();
+
+    for(;;){
+        Ultrasonic();
+        
+        lcd.cls();
+        lcd.printf("%d\n",ultrasonicVal[3]);
+        
+        
+        wait_us(200);
+    }
+}
\ No newline at end of file

diff -r 000000000000 -r b33b91b2061f main.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.h	Thu Jul 11 10:46:18 2013 +0000
@@ -0,0 +1,7 @@
+#include "mbed.h"
+
+Timer timer2;
+
+extern double ultrasonicValue[4];
+extern uint16_t ultrasonicVal[4];
+extern void Ultrasonic(void);
\ No newline at end of file

diff -r 000000000000 -r b33b91b2061f mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Jul 11 10:46:18 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/b3110cd2dd17
\ No newline at end of file

diff -r 000000000000 -r b33b91b2061f ping.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ping.cpp	Thu Jul 11 10:46:18 2013 +0000
@@ -0,0 +1,49 @@
+#include "mbed.h"
+#include "ping.h"
+ 
+//DigitalOut myled = LED1; 
+ 
+extern Timer timer2;
+
+uint16_t ultrasonicVal[ALL_ULTRASONIC];
+double ultrasonicValue[ALL_ULTRASONIC] = {0};
+
+
+void Ultrasonic()
+{
+    for(int i = 0 ; i < ALL_ULTRASONIC; i++){
+       
+        uint8_t flag = 0;
+    
+        DigitalOut PingPinOut(ultrasonic_pin[i]);
+        PingPinOut = 1;
+        wait_us(10);
+        PingPinOut = 0;
+        DigitalIn PingPin(ultrasonic_pin[i]);
+        timer2.reset();
+        while(PingPin == 0){
+            if(timer2.read_us() > 1500){   //1.5ms以上応答なし
+                ultrasonicValue[i] =  PING_ERR;
+                flag = 1;
+                break;
+            }
+        } 
+  
+        timer2.reset();
+        while(PingPin == 1){
+            if((timer2.read_us() > 18500) || (flag == 1)){  //18.5ms以上のパルス
+                ultrasonicValue[i] =  PING_ERR;
+                flag = 1;
+                break;
+            }
+        }
+      
+        if(flag == 0){
+            ultrasonicValue[i] = timer2.read_us() / 1000000.0 / 2.0 * 340.0 * 1000.0; //mm  MAX:3145
+            ultrasonicVal[i] = (int)(ultrasonicValue[i] * 10.0);
+        }else{
+            ultrasonicVal[i] = PING_ERR;
+        }
+
+    }
+} 
\ No newline at end of file

diff -r 000000000000 -r b33b91b2061f ping.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ping.h	Thu Jul 11 10:46:18 2013 +0000
@@ -0,0 +1,10 @@
+#define ALL_ULTRASONIC  4
+#define PING_ERR        0xFFFF
+
+
+PinName ultrasonic_pin[ALL_ULTRASONIC] = {
+    p17,
+    p18,
+    p19,
+    p20,
+};