Merge pull request #639 from spacehuhn/spiffs

backported #584 screensaver

esp8266_deauther/esp8266_deauther.ino

@@ -15,7 +15,7 @@
 
 // Settings //
 
-//#define USE_DISPLAY /* <-- uncomment that if you want to use the display */
+#define USE_DISPLAY /* <-- uncomment that if you want to use the display */
 #define resetPin 4 /* <-- comment out or change if you need GPIO 4 for other purposes */
 #define USE_LED16 /* <-- for the Pocket ESP8266 which has a LED on GPIO 16 to indicate if it's running */
 
@@ -29,9 +29,9 @@
   #include "SH1106.h"
   
   //create display(Adr, SDA-pin, SCL-pin)
-  SSD1306 display(0x3c, 5, 4); //GPIO 5 = D1, GPIO 4 = D2
+  //SSD1306 display(0x3c, 5, 4); //GPIO 5 = D1, GPIO 4 = D2
-  //SH1106 display(0x3c, 5, 4);
+  SH1106 display(0x3c, 5, 4);
-  
+  #include "screensaver.h"
   //button pins
   #define upBtn 12 //GPIO 12 = D6
   #define downBtn 13 //GPIO 13 = D7
@@ -637,8 +637,16 @@ void loop() {
       display.clear();
       display.display();
     }
+    screensavertimer = 0;
+    lastactivity = millis();
+  } else {
+    screensavertimer = millis() - lastactivity;
   }
+  if(screensavertimer>saveeafter) {
+    drawScreenSaver();
+  } else {
     drawInterface();
+  }
 #endif
 
 }

esp8266_deauther/screensaver.h

@@ -0,0 +1,240 @@
+#ifdef USE_DISPLAY
+
+time_t lastactivity = millis();
+time_t saveeafter = 100000; // millesecs before screensaver start
+time_t screensavertimer = 0;
+
+
+float angleX, angleY, angleZ;
+float lastAngleX, lastAngleY, lastAngleZ;
+
+#define DEBUG false
+
+const double halfC = M_PI / 180;
+
+// Overall scale and perspective distance
+uint8_t sZ = 4, scale = 16, scaleMax = 16;
+// screen center coordinates (calculated from screen dimensions)
+uint8_t centerX = 64;
+uint8_t centerY = 32;
+
+typedef struct {
+    double x;
+    double y;
+    double z;
+} Coord3DSet;
+
+typedef struct {
+    double x;
+    double y;
+} Coord2DSet;
+
+typedef struct {
+    uint16_t id1;
+    uint16_t id2;
+} Lines;  
+
+
+/* https://codepen.io/ge1doot/pen/grWrLe */
+
+static Coord3DSet CubePoints3DArray[21] = {
+  {  1,  1,  1 },
+  {  1,  1, -1 },
+  {  1, -1,  1 },
+  {  1, -1, -1 },
+  { -1,  1,  1 },
+  { -1,  1, -1 },
+  { -1, -1,  1 },
+  { -1, -1, -1 },
+
+  {  1,  1,  0 },
+  {  1,  0,  1 },
+  {  0,  1,  1 },
+
+  {  -1,  1,  0 },
+  {  -1,  0,  1 },
+  {  0,  -1,  1 },
+
+  {  1,  -1,  0 },
+  {  1,  0,  -1 },
+  {  0,  1,  -1 },
+
+  {  -1,  -1,  0 },
+  {  -1,  0,  -1 },
+  {  0,  -1,  -1 },
+
+  {0, 0, 0}
+  
+};
+
+static Coord3DSet CubePoints2DArray[21] = {
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+  
+  { 0,0 },
+  { 0,0 },
+  { 0,0 },
+
+  { 0,0 }
+};
+
+static Lines LinesArray[12] = {
+  { 0, 1 },
+  { 0, 2 },
+  { 0, 4 },
+  { 1, 3 },
+  { 1, 5 },
+  { 2, 3 },
+  { 2, 6 },
+  { 3, 7 },
+  { 4, 5 },
+  { 4, 6 },
+  { 5, 7 },
+  { 6, 7 }
+/*
+  { 1, 4 },
+  { 2, 3 },
+  { 1, 6 },
+  { 2, 5 },
+  { 2, 8 },
+  { 6, 4 },
+  { 4, 7 },
+  { 3, 8 },
+  { 1, 7 },
+  { 3, 5 },
+  { 5, 8 },
+  { 7, 6 }
+ */
+  
+};
+
+// used for sorting points by depth
+uint16_t zsortedpoints[21] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
+
+uint16_t totalpoints = sizeof(CubePoints3DArray) / sizeof(CubePoints3DArray[0]);
+uint16_t totallines = sizeof(LinesArray) / sizeof(LinesArray[0]);
+
+
+void vectorRotateXYZ(double angle, int axe) {
+  int8_t m1; // coords polarity
+  uint8_t i1, i2; // coords index
+  double t1, t2;
+  uint16_t i;
+  for( i=0; i<totalpoints; i++ ) {
+    switch(axe) {
+      case 1: // X
+        m1 = -1;
+        t1 = CubePoints3DArray[i].y;
+        t2 = CubePoints3DArray[i].z;
+        CubePoints3DArray[i].y = t1*cos(angle)+(m1*t2)*sin(angle);
+        CubePoints3DArray[i].z = (-m1*t1)*sin(angle)+t2*cos(angle);
+      break;
+      case 2: // Y
+        m1 = 1;
+        t1 = CubePoints3DArray[i].x;
+        t2 = CubePoints3DArray[i].z;
+        CubePoints3DArray[i].x = t1*cos(angle)+(m1*t2)*sin(angle);
+        CubePoints3DArray[i].z = (-m1*t1)*sin(angle)+t2*cos(angle);
+      break;
+      case 3: // Z
+        m1 = 1;
+        t1 = CubePoints3DArray[i].x;
+        t2 = CubePoints3DArray[i].y;
+        CubePoints3DArray[i].x = t1*cos(angle)+(m1*t2)*sin(angle);
+        CubePoints3DArray[i].y = (-m1*t1)*sin(angle)+t2*cos(angle);
+      break;
+    }
+  }
+}
+
+/* sort xyz by z depth */
+void zSortPoints() {
+  bool swapped;
+  uint16_t temp;
+  float radius, nextradius;
+  do {
+    swapped = false;
+    for(uint16_t i=0; i!=totalpoints-1; i++ ) {
+      radius     = (-CubePoints3DArray[zsortedpoints[i]].z+3)*2;
+      nextradius = (-CubePoints3DArray[zsortedpoints[i+1]].z+3)*2;
+      if (radius > nextradius) {
+        temp = zsortedpoints[i];
+        zsortedpoints[i] = zsortedpoints[i + 1];
+        zsortedpoints[i + 1] = temp;
+        swapped = true;
+      }
+    }
+  } while (swapped);
+}
+
+
+/* draw scaled spheres from background to foreground */
+void spherePlot() {
+  uint16_t i;
+  int radius, halfradius;
+  int transid;
+  for( i=0; i<totalpoints; i++ ) {
+    transid = zsortedpoints[i];
+    CubePoints2DArray[transid].x = centerX + scale/(1+CubePoints3DArray[transid].z/sZ)*CubePoints3DArray[transid].x; 
+    CubePoints2DArray[transid].y = centerY + scale/(1+CubePoints3DArray[transid].z/sZ)*CubePoints3DArray[transid].y;
+    radius = (-CubePoints3DArray[transid].z+3)*2.5;
+    halfradius = radius / 2;
+    display.setColor(BLACK);  
+    //display.fillCircle(CubePoints2DArray[transid].x, CubePoints2DArray[transid].y, radius-1);
+    display.fillCircle(CubePoints2DArray[transid].x, CubePoints2DArray[transid].y, radius+1);
+    display.setColor(WHITE);
+    display.drawCircle(CubePoints2DArray[transid].x, CubePoints2DArray[transid].y, radius);
+    display.fillCircle(CubePoints2DArray[transid].x+halfradius-1, CubePoints2DArray[transid].y+halfradius-1, halfradius);
+  }
+}
+
+/* draw lines between given pairs of points */
+void meshPlot() {
+  uint16_t i;
+  uint16_t id1, id2;
+  for( i=0; i<totallines; i++ ) {
+    id1 = LinesArray[i].id1;
+    id2 = LinesArray[i].id2;
+    display.drawLine(CubePoints2DArray[id1].x, CubePoints2DArray[id1].y, CubePoints2DArray[id2].x, CubePoints2DArray[id2].y);
+  }
+}
+
+void drawScreenSaver() {
+
+  float diffAngleX, diffAngleY, diffAngleZ;
+
+  diffAngleX = lastAngleX - angleX;
+  diffAngleY = lastAngleY - angleY;
+  diffAngleZ = lastAngleZ - angleZ;
+
+  vectorRotateXYZ((double)(diffAngleY+0.1)*halfC, 1); // X
+  vectorRotateXYZ((double)(diffAngleX+0.1)*halfC, 2); // Y
+  vectorRotateXYZ((double)diffAngleZ*halfC, 3); // Z
+
+  zSortPoints();
+  display.clear();
+  meshPlot();
+  spherePlot();
+  display.display();
+
+}
+
+
+#endif
+