From f7721742d23d8a9ba1df7837fba5931f99aa63ce Mon Sep 17 00:00:00 2001
From: Jörg Biemann <joerg@Jorgs-MacBook-Pro.local>
Date: Sat, 28 Jul 2012 01:09:21 +0200
Subject: Nun mit Bitmuster zum Blinken Signed-off-by: Jörg Biemann
 <joerg@Jorgs-MacBook-Pro.local>
MIME-Version: 1.0
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---
 Blinkme_spi/Blinkme_spi.ino | 138 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 Blinkme_spi/Blinkme_spi.ino

(limited to 'Blinkme_spi')

diff --git a/Blinkme_spi/Blinkme_spi.ino b/Blinkme_spi/Blinkme_spi.ino
new file mode 100644
index 0000000..f0afa6a
--- /dev/null
+++ b/Blinkme_spi/Blinkme_spi.ino
@@ -0,0 +1,138 @@
+#include <SPI.h>
+
+
+// Definition des Datenpaketes
+// Länge: 1 Byte
+// Adressierung der LED: 5 Bit
+// Maske: 0xF8
+// Helligkeitswert: 3 Bit
+// Maske: 0x7
+// Dadurch 31 LEDs adressierbar mit 7 Helligkeitswerten
+//
+// * CS - to digital pin 10  (SS pin)
+// * SDI - to digital pin 11 (MOSI pin)
+// * SDI - to digital pin 12 (MISO pin)
+// * CLK - to digital pin 13 (SCK pin)
+
+
+
+// Vorbereitungen um als Slave Daten zu empfangen
+byte recieve_buff [255];
+volatile byte pos;
+volatile boolean process_it;
+
+// PINS fuer SPI
+const int slaveSelectPin = 10;
+const int miso = 12;
+const int mosi = 11;
+
+const int ledPin = 2;
+
+//Array fuer Helligkeitswerte Led, 2te Dimension gibt Position im Muster wieder
+byte brightnessMatrix[31][2];
+
+//Array fuer Led Pin Adressen
+byte ledAdresse[31];
+
+//Fuer For Schleifen im Loop
+int brightLimit = 100;
+int posLed = 3;
+
+
+// Matrix fuer Helligkeitsmuster
+int bitMusterHelligkeit[][100] =
+{
+  {
+    0,0,0,0,0,0,0,0,2      }
+  ,
+  {
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,2      }
+  ,
+  {
+    0,0,0,0,0,0,1,0,0,0,0,0,0,1,2      }
+  ,
+  {
+    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,2      }
+  ,
+  {
+    0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,1,1,1,2      }
+  ,
+  {0,1,1,1,0,1,1,1,2 },
+  {0,1,1,1,0,1,1,1,2 },
+  {
+    1,1,1,1,1,1,1,1,2      }
+};
+
+
+
+void setup() {   
+  Serial.begin (115200);   // debugging
+
+  pinMode(slaveSelectPin, INPUT); 
+  pinMode(miso, OUTPUT);
+
+  // SPI als Slave aktivieren
+  SPCR |= _BV(SPE);
+
+  // interrupt vorbereitung
+  pos =0; //recieve Buffer leer
+  process_it = false;
+  SPI.attachInterrupt();
+
+
+  //Leds initialisieren
+  for(int i=0;i<31;i++){
+    brightnessMatrix[i][1]=0;
+  }
+
+  // initialize the digital pin as an output.
+  pinMode(ledPin, OUTPUT);
+
+  digitalWrite (ledPin, HIGH);
+  delay(1000);
+  digitalWrite (ledPin, LOW);
+
+
+}
+
+//Interrupt fuer SPI
+ISR (SPI_STC_vect)
+{
+  byte buffer = SPDR;
+  //Schreibt im Array an die Adresse im Datenpaket den Wert
+    brightnessMatrix[2][0]=SPDR&0x07;
+    
+//  brightnessMatrix[SPDR&0xf8][0]=SPDR&0x07;
+  digitalWrite (ledPin, HIGH);
+
+  digitalWrite (ledPin, LOW);
+
+}
+
+
+void loop()
+{
+  Serial.println(brightnessMatrix[2][0]);
+  for(int i=0;i<31;i++){
+
+    if(brightnessMatrix[i][0]){
+      digitalWrite(/*ledAdresse[i]*/2,HIGH);
+      brightnessMatrix[i][1]==brightnessMatrix[i][1]++; 
+    }
+    else if(brightnessMatrix[i][0]==0){
+
+      digitalWrite(/*ledAdresse[i]*/2,LOW);
+    }
+    else {
+      brightnessMatrix[i][1]=0;
+    }
+
+  }
+  
+  
+}
+
+
+
+
+
-- 
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