From 17f0de5f776a5238312cb78d3028d638b06a765f Mon Sep 17 00:00:00 2001
From: Fisch <interfisch@gmx.net>
Date: Mon, 13 Feb 2023 19:58:45 +0100
Subject: [PATCH] sinus wave test

---
 flipcontrol_esp32/include/image.h |  1 +
 flipcontrol_esp32/src/image.cpp   | 12 +++++++++++-
 flipcontrol_esp32/src/main.cpp    | 14 ++++++++++++--
 3 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/flipcontrol_esp32/include/image.h b/flipcontrol_esp32/include/image.h
index ed9db2e..f0fc1ed 100644
--- a/flipcontrol_esp32/include/image.h
+++ b/flipcontrol_esp32/include/image.h
@@ -56,6 +56,7 @@ public:
     void shuffleOrder(uint8_t iterations);
 
     void setBuffer_solid(bool set);
+    void setBufferColumn(uint8_t _colnum, uint16_t _rowdata);
     void setBuffer_random(uint8_t randomness);
 
     void loop_testDots();
diff --git a/flipcontrol_esp32/src/image.cpp b/flipcontrol_esp32/src/image.cpp
index 97244f9..e14ce8e 100644
--- a/flipcontrol_esp32/src/image.cpp
+++ b/flipcontrol_esp32/src/image.cpp
@@ -44,7 +44,17 @@ void Image::setBuffer_solid(bool set)
     }
 
     flag_updating=true; //make update run
-    
+}
+
+void Image::setBufferColumn(uint8_t _colnum, uint16_t _rowdata)
+{
+    if (_colnum>=COLUMNS) {
+        Serial.println("colnum too high");
+    }else{
+        backBuffer[_colnum]=_rowdata; //all white
+
+        flag_updating=true; //make update run
+    }
 }
 
 void Image::setBuffer_random(uint8_t randomness)
diff --git a/flipcontrol_esp32/src/main.cpp b/flipcontrol_esp32/src/main.cpp
index 5b445be..a3230cb 100644
--- a/flipcontrol_esp32/src/main.cpp
+++ b/flipcontrol_esp32/src/main.cpp
@@ -27,16 +27,26 @@ void loop() {
     
     static unsigned long last_change=0;
     static bool color=0;
-    if (loopmillis-last_change >= 5000) 
+    if (loopmillis-last_change >= 1000) 
     {
         //Serial.print("Change to Solid color ="); Serial.println(color);
         //flip.setBuffer_solid(color);
         //color=1-color;
 
-        uint8_t _randomvalue=random(64);
+        /*
+        uint8_t _randomvalue=random(128);
         Serial.print("set buffer random. ");
         Serial.println(_randomvalue);
         flip.setBuffer_random(_randomvalue);
+        */
+
+        for (uint8_t _x=0;_x<COLUMNS;_x++) {
+            uint8_t _y=(sin( loopmillis/100000.0 + _x/5.0 )/2+0.5)*15+0.5;
+            uint16_t _row=pow(2, _y);
+            flip.setBufferColumn(_x,_row);
+        }
+    
+        
 
         last_change=loopmillis;
     }