BERTL_CHEL18
Bertl 2014 Übung
Dependencies: mbed
Fork of
_B14Test8
by 
BULME_BERTL14
Revision 1:d1a664b263dc, committed 2015-01-25
- Comitter:
- Enenkel
- Date:
- Sun Jan 25 17:30:27 2015 +0000
- Parent:
- 0:951a35674581
- Commit message:
- I2C LED TEST
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Tue Nov 18 14:17:57 2014 +0000
+++ b/main.cpp Sun Jan 25 17:30:27 2015 +0000
@@ -1,76 +1,75 @@
-#include "mbed.h" // Softwarestand: 19.1.2014
+/***********************************
+name: BERTL_2014_LAMPENTEST
+modyfied by ENE@bulme.at
+description:
+ Alle LED sind INVERS dh 0 = EIN; 1 = AUS;
+***************************************/
+#include "mbed.h" // Softwarestand: 19.1.2014
/*** Portkonfiguration ***/
-Serial pc(USBTX, USBRX); // tx, rx
+Serial pc(USBTX, USBRX); // tx, rx
I2C i2c(p28,p27);
/*** Funktionsdefinitionen ***/
-Ticker sekunden;
-Ticker blink;
-
-/*** Variablendefinitionen ***/
-// int x = 1 ;
-// int y = 0 ;
-// bool var1 = false;
-
-const int addr = 0x40; // I2C-Adresse PCA9555
-char cmd[3]; // Datenarray für I2C
+const int addr = 0x40; // I2C-Adresse des 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
+ /*** I2C Konfigurationen ***/
+ i2c.frequency(40000); // I2C Frequenz 40kHz
+ cmd[0] = 0x06; // Comman6 6 Portkonfiguration Port 0
+ cmd[1] = 0x00; // 00-> Port 0 = OUTPUT (all Pins 00)
+ i2c.write(addr, cmd, 2); // Sende Adresse 0x40; cmd, s -> 0x06 0x00
+ // Defines Port0 as Output
+ cmd[0] = 0x02; // OUTPUT Port 0
+
/*** Hauptprogramm - Endlosschleife ***/
while(1)
- {
- cmd[0] = 0x02;
- cmd[1] = 0xFE; // Alle LED ON
- i2c.write(addr, cmd, 2); // Def. Port0 = 0x00
+ {
+ // 0x00
+ cmd[1] = 0x00; // Alle LED EIN 0000 0000
+ i2c.write(addr, cmd, 2);
+ wait(2);
+ // 0xF F
+ cmd[1] = 0x00; // Alle LED AUS 1111 1111
+ i2c.write(addr, cmd, 2);
+ wait(0.5);
+ // F E
+ cmd[1] = 0xFE; // D1 vorn links ws 1111 1110
+ i2c.write(addr, cmd, 2);
+ wait(0.5);
+ // F D
+ cmd[1] = 0xFD; // D2 vorn links ge 1111 1101
+ i2c.write(addr, cmd, 2);
+ wait(0.5);
+ // F B
+ cmd[1] = 0xFB; // D4 vorn rechts ws 1111 1011
+ i2c.write(addr, cmd, 2);
wait(0.5);
- cmd[0] = 0x02; //
- cmd[1] = 0xFD; // Alle LED OFF
- i2c.write(addr, cmd, 2); // Def. Port0 = 0xFF
- wait(0.5);
-
- cmd[0] = 0x02; //
- cmd[1] = 0xFB; // Alle LED OFF
- i2c.write(addr, cmd, 2); // Def. Port0 = 0xFF
+ cmd[1] = 0xF7; // sieh ab hier in den Schaltplan
+ i2c.write(addr, cmd, 2);
wait(0.5);
- cmd[0] = 0x02; //
- cmd[1] = 0xF7; // Alle LED OFF
- i2c.write(addr, cmd, 2); // Def. Port0 = 0xFF
+ cmd[1] = 0xEF; //
+ i2c.write(addr, cmd, 2);
wait(0.5);
- cmd[0] = 0x02; //
- cmd[1] = 0xEF; // Alle LED OFF
- i2c.write(addr, cmd, 2); // Def. Port0 = 0xFF
+ cmd[1] = 0xDF; //
+ i2c.write(addr, cmd, 2);
wait(0.5);
- cmd[0] = 0x02; //
- cmd[1] = 0xDF; // Alle LED OFF
- i2c.write(addr, cmd, 2); // Def. Port0 = 0xFF
- wait(0.5);
-
- cmd[0] = 0x02; //
- cmd[1] = 0xBF; // Alle LED OFF
- i2c.write(addr, cmd, 2); // Def. Port0 = 0xFF
+ cmd[1] = 0xBF;
+ i2c.write(addr, cmd, 2);
wait(0.5);
- cmd[0] = 0x02; //
- cmd[1] = 0x7F; // Alle LED OFF
- i2c.write(addr, cmd, 2); // Def. Port0 = 0xFF
+ cmd[1] = 0x7F;
+ i2c.write(addr, cmd, 2);
wait(0.5);
-
- cmd[0] = 0x02; //
- cmd[1] = 0x00; // Alle LED OFF
- i2c.write(addr, cmd, 2); // Def. Port0 = 0xFF
- wait(2);
+ // F F
+ cmd[1] = 0xFF; // Alle LED AUS 1111 1111
+ i2c.write(addr, cmd, 2);
+ wait(1);
}
}