From dfc780009ce7ae13d731eb64ed375ab836d61b20 Mon Sep 17 00:00:00 2001
From: Empire <empire@example.com>
Date: Tue, 25 Apr 2023 21:42:31 +0200
Subject: [PATCH] stuff

---
 include/image.hpp |  1 +
 src/LED-Board.cpp | 42 +++++++++++++++++++++++++++++++++++++++++-
 src/image.cpp     | 10 ++++++++++
 3 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/include/image.hpp b/include/image.hpp
index 916c77a..a2e1800 100644
--- a/include/image.hpp
+++ b/include/image.hpp
@@ -15,6 +15,7 @@ class Image
   public:
     uint8_t get_pixel(int x, int y);
     void set_pixel(int x, int y, uint8_t value);
+    void set_pixel_offset(int offset, uint8_t value);
     void clear_pixels();
 
   private:
diff --git a/src/LED-Board.cpp b/src/LED-Board.cpp
index 81835da..a755c1e 100644
--- a/src/LED-Board.cpp
+++ b/src/LED-Board.cpp
@@ -5,6 +5,7 @@
 #include "image.hpp"
 #include "panel.hpp"
 
+#define PIN_PWM_BOARD 46
 // An EthernetUDP instance to let us send and receive packets over UDP
 EthernetUDP Udp;
 
@@ -24,7 +25,8 @@ Panel panel5(47, 53, 49, 4 * PANEL_WIDTH, 0 * PANEL_HEIGHT);
  *   800 Byte describing all 5 panels in bits
  */
 /* uint8_t packetBuffer[(PANEL_WIDTH * PANEL_HEIGHT * MAXIMUM_PANELSIZE) / sizeof(uint8_t)];  // buffer to hold incoming packet,*/
-uint8_t packetBuffer[(PANEL_WIDTH * PANEL_HEIGHT * MAXIMUM_PANELSIZE) / BITS_OF_BYTE];
+const uint16_t packetBufferSize = (PANEL_WIDTH * PANEL_HEIGHT * MAXIMUM_PANELSIZE) / BITS_OF_BYTE + 1;
+uint8_t packetBuffer[packetBufferSize];
 /* Reply with error messages*/
 char ReplyBuffer[UDP_TX_PACKET_MAX_SIZE];        // a string to send back
 
@@ -59,12 +61,44 @@ void receiveUDP() {
     }
     Serial.print(", port ");
     Serial.println(Udp.remotePort());
+    someOneIsConnected = true;
     if (packetSize < ((int) sizeof(packetBuffer)) ) {
       // read the packet into packetBufffer
       Udp.read(packetBuffer, UDP_TX_PACKET_MAX_SIZE);
     }
 
     if (packetSize == sizeof(packetBuffer)) {
+      auto brightness = packetBuffer[0];
+      //OCR5A = brightness;
+      int offset = 0;
+      for(uint16_t i = 0; i < packetBufferSize;i++){
+        uint8_t value = packetBuffer[i];
+        
+        uint8_t a = (value | 0xb00000001) > 0 ? 1 : 0;
+        image.set_pixel_offset(offset, a);
+        offset++;
+        uint8_t b = (value | 0xb00000010) > 0 ? 1 : 0;
+        image.set_pixel_offset(offset, b);
+        offset++;
+        uint8_t c = (value | 0xb00000100) > 0 ? 1 : 0;
+        image.set_pixel_offset(offset, c);
+        offset++;
+        uint8_t d = (value | 0xb00001000) > 0 ? 1 : 0;
+        image.set_pixel_offset(offset, d);
+        offset++;
+        uint8_t e = (value | 0xb00010000) > 0 ? 1 : 0;
+        image.set_pixel_offset(offset, e);
+        offset++;
+        uint8_t f = (value | 0xb00100000) > 0 ? 1 : 0;
+        image.set_pixel_offset(offset, f);
+        offset++;
+        uint8_t g = (value | 0xb01000000) > 0 ? 1 : 0;
+        image.set_pixel_offset(offset, g);
+        offset++;
+        uint8_t h = (value | 0xb10000000) > 0 ? 1 : 0;
+        image.set_pixel_offset(offset, h);
+        offset++;
+      }
 
     } else {
       sprintf(ReplyBuffer, "Wrong packet size %d", packetSize);
@@ -78,6 +112,12 @@ void receiveUDP() {
 
 void setup() {
     Serial.begin(115200);
+    pinMode(46, OUTPUT);
+
+    //digitalWrite(46,1);
+    TCCR5A |= (1 << COM5A1);//pwm mode 8 bit
+    OCR5A = 255;
+    TCCR5B = TCCR5B & B11111000 | B00000001; 
 
     panel1.init();
     panel2.init();
diff --git a/src/image.cpp b/src/image.cpp
index 806941f..4eabdbb 100644
--- a/src/image.cpp
+++ b/src/image.cpp
@@ -21,6 +21,16 @@ byte Image::get_pixel(int x, int y) {
   return data[y * IMAGE_WIDTH + x];
 }
 
+void Image::set_pixel_offset(int offset, byte value) {
+  int x = offset % IMAGE_WIDTH;
+  int y = floor(offset / IMAGE_WIDTH);
+  if (check_bounds(x, y) == false) {
+    Serial.print(F("set_pixel outOfBound\n"));
+    return;
+  }
+  data[y * IMAGE_WIDTH + x] = value;
+}
+
 void Image::set_pixel(int x, int y, byte value) {
   if (check_bounds(x, y) == false) {
     Serial.print(F("set_pixel outOfBound\n"));