BULME_BERTL14 / Mbed 2 deprecated _B14Test8_D2_blinkI2C_LED

Via 12C mit D2 blinken

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Revision 0:1bf3770a24f7, committed 2015-01-25

Comitter:
Enenkel
Date:
Sun Jan 25 17:31:14 2015 +0000
Commit message:
via I2C mit D2 blinken

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Jan 25 17:31:14 2015 +0000
@@ -0,0 +1,44 @@
+/***********************************
+name:   BERTL_2014_LED D2 blink via I2C 
+modyfied by ENE@bulme.at
+description:
+  Alle LED sind INVERS dh 0 = EIN;  1 = AUS;
+  mit LED D2 blinken
+*/  
+  
+#include "mbed.h" 
+/*** Portkonfiguration ***/
+Serial pc(USBTX, USBRX); // tx, rx
+I2C i2c(p28,p27);
+
+/*** Funktionsdefinitionen ***/
+
+const int addr = 0x40;  // I2C-Adresse PCA9555
+char cmd[3];            // Datenarray für I2C
+
+/*** Funktionen ***/
+int main()
+{
+/*** I2C Konfigurationen ***/
+        i2c.frequency(40000);  // I2C Frequenz 40kHz
+        cmd[0] = 0x06;
+        cmd[1] = 0x00;           
+        i2c.write(addr, cmd, 2); // Define Port0 = Out
+
+
+/*** Hauptprogramm - Endlosschleife ***/
+    while(1) 
+    {
+        cmd[0] = 0x02;
+        cmd[1] = 0xFD;           // D2 ON ->   1111 1101   
+        i2c.write(addr, cmd, 2); // Def. Port0 = 0xFD
+        wait(0.5);
+        
+        //cmd[0] = 0x02;         // nicht mehr nötig, da bereits definiert !
+                                 // und nicht verändert
+        cmd[1] = 0xFF;           // Alle LED OFF ->  1111 1111 
+        i2c.write(addr, cmd, 2); // Def. Port0 = 0xFF
+        wait(0.5);
+                  
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Jan 25 17:31:14 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/031413cf7a89
\ No newline at end of file