Add recording AS

download/smelko/cvicenie5.txt

@@ -39,4 +39,102 @@ void loop() {
   writeDigit(4, 3);
   delay(5); //ODKOMENTUJ A VYSKUSAJ ZNOVA
 }
+################################################################
+#include "funshield.h"
+
+constexpr int digit_positions = sizeof(digit_muxpos) / sizeof(digit_muxpos[0]);
+
+void writeGlyphBitmask( byte glyph, byte pos_bitmask) {
+  digitalWrite( latch_pin, LOW);
+  shiftOut( data_pin, clock_pin, MSBFIRST, glyph);
+  shiftOut( data_pin, clock_pin, MSBFIRST, pos_bitmask);
+  digitalWrite( latch_pin, HIGH);
+}
+
+void writeGlyphR(byte glyph, int pos)
+{
+  writeGlyphBitmask(glyph, digit_muxpos[digit_positions - pos - 1]);
+}
+
+void writeGlyphL(byte glyph, int pos)
+{
+  writeGlyphBitmask(glyph, digit_muxpos[pos]);
+}
+
+void writeDigit(int n, int pos)
+{
+  writeGlyphR(digits[n], pos);
+}
+
+enum LedState {PRESSED, RELEASED};
+
+class ButtonPresser
+{
+  public:
+    ButtonPresser(int pin) {
+      pin_ = pin;
+    }
+    bool pressedOnce(bool button_pressed)
+    {
+      if (button_pressed == false) {
+        prev_state_ = RELEASED;
+        return false;
+      }
+
+      if (prev_state_ == PRESSED && button_pressed)
+        return false;
+
+      prev_state_ = PRESSED;
+      return true;
+    }
+  private:
+    LedState prev_state_ = RELEASED;
+    int pin_;
+};
+
+int mocniny[] { 1, 10, 100, 1000 };
+class Display
+{
+  public:
+    void set(int cislo)
+    {
+      cislo_ = cislo;
+    }
+    void loop()
+    {
+      int cislica = (cislo_ / mocniny[pozicia_]) % 10;
+      writeDigit(cislica, pozicia_);
+      pozicia_++;
+      pozicia_ %= 4;
+    }
+  private:
+    int cislo_;
+    int pozicia_ = 0;
+};
+
+void setup() {
+  pinMode(latch_pin, OUTPUT);
+  pinMode(data_pin, OUTPUT);
+  pinMode(clock_pin, OUTPUT);
+}
+
+constexpr int buttons[] = { button1_pin, button2_pin};
+ButtonPresser pressers[] { ButtonPresser(button1_pin), ButtonPresser(button2_pin)};
+
+Display d;
+
+int citac = 0;
+
+void loop() {
+  // put your main code here, to run repeatedly:
+
+  if ( pressers[0].pressedOnce(!digitalRead(buttons[0])))
+    citac += 1;
+  if (pressers[1].pressedOnce(!digitalRead(buttons[1])))
+    citac -= 1;
 
+  citac = (citac + 10000) % 10000;
+  d.set(citac);
+  d.loop();
+  //delay(10); ODKOMENTUJ A VYSKUSAJ ZNOVA
+}
\ No newline at end of file

index.html

@@ -678,7 +678,7 @@ $(document).ready(function(){
 			<td class="right">28.4.2021</td>
 			<td>934 5196 8778</td>
 			<td><a class="extern" href="https://cesnet.zoom.us/j/93451968778">Join the lab - Šmelko</a></td>
-			<td>Recorded lab</td>
+			<td><a class="extern" href="https://web.microsoftstream.com/video/af0de5de-5270-441e-bfb4-59d9f16db224">Recorded lecture</a></td>
 		</tr>
 		<tr>
 			<td class="right">4.5.2021</td>