heightmap eeprom save and load

.gitignore

@@ -0,0 +1 @@
+backup/

achterbahn.ino

@@ -5,6 +5,9 @@
   #include <avr/power.h>
 #endif
 
+#include <EEPROM.h>
+#define EEPROMSTARTADDRESS_HEIGHTMAP 8
+
 #include <vector>
 #include "wagon.h"
 #include "effect.h"
@@ -57,6 +60,8 @@ Effect* effect = NULL;
 void setup() {
   Serial.begin(115200);
 
+  EEPROM.begin(4096); //set eeprom size, between 4 and 4096 bytes.
+
   strip.begin();
   strip.setBrightness(BRIGHTNESS_RUN); //150
   strip.show(); // Initialize all pixels to 'off'
@@ -65,46 +70,7 @@ void setup() {
   resetHeightmap();
   
   //fixed heightmap
-heightraw[0]=182;
+  loadHeightmapRaw();
-heightraw[51]=100;
-heightraw[91]=57;
-heightraw[121]=100;
-heightraw[147]=100;
-heightraw[170]=75;
-heightraw[184]=71;
-heightraw[216]=100;
-heightraw[228]=103;
-heightraw[257]=101;
-heightraw[305]=107;
-heightraw[316]=100;
-heightraw[349]=78;
-heightraw[386]=100;
-heightraw[420]=83;
-heightraw[438]=78;
-heightraw[460]=83;
-heightraw[489]=95;
-heightraw[515]=92;
-heightraw[566]=100;
-heightraw[580]=103;
-heightraw[599]=89;
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
 
   interpolateHeightValues();
 
@@ -312,6 +278,10 @@ void checkSerial(){
       configmode=true;
     }else if (serialstring.equals("print")){
       printHeightmapRaw();
+    }else if (serialstring.equals("save")){
+      saveHeightmapRaw(); //save to eeprom
+    }else if (serialstring.equals("load")){
+      loadHeightmapRaw(); //load from eeprom
     }else if (serialstring.equals("remove")){
       removeAllWagons();
     }else if (serialstring.equals("clear")){
@@ -553,3 +523,25 @@ uint32_t Wheel(byte WheelPos) {
   WheelPos -= 170;
   return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
 }
+
+
+
+void loadHeightmapRaw(){
+  int c_eepromaddress=EEPROMSTARTADDRESS_HEIGHTMAP;
+  uint8_t lastvalue=0;
+  for (int i=0;i<NUMPIXELS;i++){
+    lastvalue = EEPROM.read(c_eepromaddress);
+    heightraw[i]=lastvalue;
+    c_eepromaddress++;
+  }
+  interpolateHeightValues();
+}
+void saveHeightmapRaw(){
+  int c_eepromaddress=EEPROMSTARTADDRESS_HEIGHTMAP;
+  for (int i=0;i<NUMPIXELS;i++){
+    EEPROM.write(c_eepromaddress, heightraw[i]);  //address, value
+    c_eepromaddress++;
+    
+  }
+  EEPROM.commit(); //write changes to eeprom. EEPROM.end() will also commit and release the ram copy of eeprom contents
+}

achterbahnconfig/achterbahnconfig/achterbahnconfig.pde

@@ -76,6 +76,13 @@ void setup() {
       .setPosition(10, 80+60+5)
       .setSize(100, 10);
       
+  cp5.addButton("load_heightmap")
+      .setPosition(10, 80+60+5+15)
+      .setSize(100, 10);
+  cp5.addButton("save_heightmap")
+      .setPosition(10, 80+60+5+15*2)
+      .setSize(100, 10);
+      
   cp5.addButton("Remove")
       .setPosition(100, 80)
       .setSize(50, 50);
@@ -144,6 +151,7 @@ void setup() {
       .setSize(100, 20);
       
       
+    
   myPort = new Serial(this, "/dev/ttyUSB0", 115200);
 }
 
@@ -157,6 +165,16 @@ void ClearHeightmap(){
   myPort.write(writeserial);
 }
 
+void load_heightmap(){
+  String writeserial="load\n";
+  myPort.write(writeserial);
+}
+void save_heightmap(){
+  String writeserial="save\n";
+  myPort.write(writeserial);
+}
+
+
 void Debug() {
   String writeserial="debug\n";
   myPort.write(writeserial);

backup/fx_scanner (Kopie 1).cpp

@@ -1,84 +0,0 @@
-#include "fx_scanner.h"
-
-FX_Scanner::FX_Scanner(int numpixels,Adafruit_NeoPixel *strip,uint8_t *height,int startpos,float scannervel,uint32_t scannercolor)
-{
-  _numpixels=numpixels;
-  _pos = startpos;
-  _strip=strip;
-  _height=height;
-  _vel=scannervel;
-  _scannercolor=scannercolor;
-}
-
-FX_Scanner::FX_Scanner()
-{
-  _numpixels=0;
-  _pos = -1; //for active false
-  _strip=0;
-  _height=0;
-  _vel=0;
-  _scannercolor=0;
-}
-
-void FX_Scanner::updateRoutine(float updatedelayms)
-{
-  _pos+=_vel*updatedelayms/1000.0;
-}
-
-void FX_Scanner::updateGraphics()
-{
-  #define FEATHERDISTANCE 3 //in both directions
-  for(int i=0;i<_numpixels;i++){
-    float heightdistfromlaser=abs(_height[i]-_pos);
-    if (heightdistfromlaser<=FEATHERDISTANCE) {
-      
-      uint8_t _r = _scannercolor >> 16;
-      uint8_t _g = _scannercolor >> 8;
-      uint8_t _b = _scannercolor;
-
-      float distmult=1.0-(heightdistfromlaser/FEATHERDISTANCE);
-      _r*=distmult;
-      _g*=distmult;
-      _b*=distmult;
-  
-      uint32_t _pxcolor=_strip->getPixelColor(i); //get current color of that pixel
-      uint8_t _pxr = _pxcolor >> 16;
-      uint8_t _pxg = _pxcolor >> 8;
-      uint8_t _pxb = _pxcolor;
-      uint16_t _tmpr=_pxr+_r; //add colors
-      uint16_t _tmpg=_pxg+_g;
-      uint16_t _tmpb=_pxb+_b;
-      if (_tmpr>255){ //clamp
-        _tmpr=255;
-      }
-      if (_tmpg>255){
-        _tmpg=255;
-      }
-      if (_tmpb>255){
-        _tmpb=255;
-      }
-      _strip->setPixelColor(i,_tmpr,_tmpg,_tmpb); //draw pixel
-    }
-  }
-}
-
-bool FX_Scanner::active()
-{
-  if (_pos>256 || _pos<0){
-    return false;
-  }
-  return true;
-}
-
-uint32_t FX_Scanner::Wheel(byte WheelPos,float brightness) {
-  WheelPos = 255 - WheelPos;
-  if(WheelPos < 85) {
-    return _strip->Color(255 - WheelPos * 3*brightness, 0, WheelPos * 3*brightness);
-  }
-  if(WheelPos < 170) {
-    WheelPos -= 85;
-    return _strip->Color(0, WheelPos * 3*brightness, 255 - WheelPos * 3*brightness);
-  }
-  WheelPos -= 170;
-  return _strip->Color(WheelPos * 3*brightness, 255 - WheelPos * 3*brightness, 0);
-}

backup/fx_scanner (Kopie 1).h

@@ -1,26 +0,0 @@
-#ifndef FX_SCANNER_H
-#define FX_SCANNER_H
-#include <Adafruit_NeoPixel.h>
-#include <math.h>
-
-class FX_Scanner
-{
-  public:
-    FX_Scanner(int numpixels,Adafruit_NeoPixel *strip,uint8_t *height,int startpos,float scannervel,uint32_t scannercolor);
-    FX_Scanner();
-    void updateRoutine(float updatedelayms);
-    void updateGraphics();
-    uint32_t Wheel(byte WheelPos,float brightness);
-    bool active();
-  private:
-    int _numpixels;
-    Adafruit_NeoPixel *_strip;
-    float _pos;
-    float _vel;
-    uint8_t *_height;
-    uint32_t _scannercolor;
-};
-
-#endif
-
-