merged new features

2022-07-20 21:10:09 +02:00
parent d196149881 f6e0d0456c
commit e401368610
7 changed files with 7383 additions and 7265 deletions
--- a/Docs/ATTiny84-ATTiny44-pinout.png
+++ b/Docs/ATTiny84-ATTiny44-pinout.png
--- a/Firmware/TREM_test/TREM_test.ino
+++ b/Firmware/TREM_test/TREM_test.ino
@@ -0,0 +1,149 @@
+/*
+ * Tap Tremelo Pedal Firmware
+ * V1 by Dennis Gunia 
+ * 
+ * 2022/07
+ * 
+ */
+
+#define lmicros() ((long)micros())
+
+//Lookup Tables
+static const uint8_t sineLUT[256] PROGMEM = {
+  0x80, 0x83, 0x86, 0x89, 0x8c, 0x8f, 0x92, 0x95, 0x98, 0x9b, 0x9e, 0xa2, 0xa5, 0xa7, 0xaa, 0xad,
+  0xb0, 0xb3, 0xb6, 0xb9, 0xbc, 0xbe, 0xc1, 0xc4, 0xc6, 0xc9, 0xcb, 0xce, 0xd0, 0xd3, 0xd5, 0xd7,
+  0xda, 0xdc, 0xde, 0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xeb, 0xed, 0xee, 0xf0, 0xf1, 0xf3, 0xf4,
+  0xf5, 0xf6, 0xf8, 0xf9, 0xfa, 0xfa, 0xfb, 0xfc, 0xfd, 0xfd, 0xfe, 0xfe, 0xfe, 0xff, 0xff, 0xff,
+  0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe, 0xfe, 0xfd, 0xfd, 0xfc, 0xfb, 0xfa, 0xfa, 0xf9, 0xf8, 0xf6,
+  0xf5, 0xf4, 0xf3, 0xf1, 0xf0, 0xee, 0xed, 0xeb, 0xea, 0xe8, 0xe6, 0xe4, 0xe2, 0xe0, 0xde, 0xdc,
+  0xda, 0xd7, 0xd5, 0xd3, 0xd0, 0xce, 0xcb, 0xc9, 0xc6, 0xc4, 0xc1, 0xbe, 0xbc, 0xb9, 0xb6, 0xb3,
+  0xb0, 0xad, 0xaa, 0xa7, 0xa5, 0xa2, 0x9e, 0x9b, 0x98, 0x95, 0x92, 0x8f, 0x8c, 0x89, 0x86, 0x83,
+  0x80, 0x7c, 0x79, 0x76, 0x73, 0x70, 0x6d, 0x6a, 0x67, 0x64, 0x61, 0x5d, 0x5a, 0x58, 0x55, 0x52,
+  0x4f, 0x4c, 0x49, 0x46, 0x43, 0x41, 0x3e, 0x3b, 0x39, 0x36, 0x34, 0x31, 0x2f, 0x2c, 0x2a, 0x28,
+  0x25, 0x23, 0x21, 0x1f, 0x1d, 0x1b, 0x19, 0x17, 0x15, 0x14, 0x12, 0x11, 0xf, 0xe, 0xc, 0xb,
+  0xa, 0x9, 0x7, 0x6, 0x5, 0x5, 0x4, 0x3, 0x2, 0x2, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0,
+  0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x2, 0x2, 0x3, 0x4, 0x5, 0x5, 0x6, 0x7, 0x9,
+  0xa, 0xb, 0xc, 0xe, 0xf, 0x11, 0x12, 0x14, 0x15, 0x17, 0x19, 0x1b, 0x1d, 0x1f, 0x21, 0x23,
+  0x25, 0x28, 0x2a, 0x2c, 0x2f, 0x31, 0x34, 0x36, 0x39, 0x3b, 0x3e, 0x41, 0x43, 0x46, 0x49, 0x4c,
+  0x4f, 0x52, 0x55, 0x58, 0x5a, 0x5d, 0x61, 0x64, 0x67, 0x6a, 0x6d, 0x70, 0x73, 0x76, 0x79, 0x7c
+};
+
+static const uint8_t bumpLUT[256] PROGMEM = {
+  0, 4, 7, 10, 13, 16, 19, 22, 25, 29, 32, 35, 38, 41, 44, 47,
+  50, 53, 56, 59, 62, 65, 69, 72, 75, 78, 80, 83, 86, 89, 92, 95,
+  98, 101, 104, 107, 110, 112, 115, 118, 121, 123, 126, 129, 132, 134, 137, 140,
+  142, 145, 147, 150, 152, 155, 157, 160, 162, 165, 167, 169, 172, 174, 176, 179,
+  181, 183, 185, 187, 189, 192, 194, 196, 198, 200, 202, 203, 205, 207, 209, 211,
+  213, 214, 216, 218, 219, 221, 222, 224, 225, 227, 228, 230, 231, 232, 234, 235,
+  236, 237, 238, 240, 241, 242, 243, 244, 245, 245, 246, 247, 248, 249, 249, 250,
+  251, 251, 252, 252, 253, 253, 254, 254, 254, 255, 255, 255, 255, 255, 255, 255,
+  255, 255, 255, 255, 255, 255, 255, 255, 254, 254, 254, 253, 253, 252, 252, 251,
+  251, 250, 249, 249, 248, 247, 246, 245, 245, 244, 243, 242, 241, 240, 238, 237,
+  236, 235, 234, 232, 231, 230, 228, 227, 225, 224, 222, 221, 219, 218, 216, 214,
+  213, 211, 209, 207, 205, 203, 202, 200, 198, 196, 194, 192, 189, 187, 185, 183,
+  181, 179, 176, 174, 172, 169, 167, 165, 162, 160, 157, 155, 152, 150, 147, 145,
+  142, 140, 137, 134, 132, 129, 126, 123, 121, 118, 115, 112, 110, 107, 104, 101,
+  98, 95, 92, 89, 86, 83, 80, 78, 75, 72, 69, 65, 62, 59, 56, 53,
+  50, 47, 44, 41, 38, 35, 32, 29, 25, 22, 19, 16, 13, 10, 7, 4
+};
+
+//Waveform Constants
+#define WF_SAW 1
+#define WF_SINE 2
+#define WF_SQUARE 4
+
+int depth = 0;
+unsigned long delayTime = 1;
+uint8_t waveform = WF_SINE;
+
+uint8_t symetry = 127;
+uint16_t wfStep = 0;
+
+unsigned long lastStep = millis();
+unsigned long lastTest = millis();
+
+//IO Pin Definition
+#define PIN_A_RATE A1   //Pot Rate
+#define PIN_A_DEPTH A2  //Pot Depth
+#define PIN_A_SHAPE A0  //Pot Shape
+#define PIN_A_MUL A3    //Pot Clock-Modifier
+
+#define PIN_D_WF1 7     //Waveform Switch Pole 1
+#define PIN_D_WF2 10    //Waveform Switch Pole 2
+#define PIN_D_TAP 9     //Tap Tempo Push button
+#define PIN_D_MOD 8     //Tempo Modulation Switch
+
+#define PIN_PWM A5
+
+void setup() {
+  // setup Timer 1 to 31.2kHz @ 8 Bit
+  TCCR1B &= 0b11100000;
+  TCCR1B |= 0b00001001;
+  TCCR1A &= 0b11111100;
+  TCCR1A |= 0b00000001;
+
+  //Set input pins to pullup
+  pinMode(PIN_D_WF1, INPUT_PULLUP);
+  pinMode(PIN_D_WF2, INPUT_PULLUP);
+  pinMode(PIN_D_TAP, INPUT_PULLUP);
+  pinMode(PIN_D_MOD, INPUT_PULLUP);
+}
+
+//Read pots and switch state
+void getInput() {
+  depth = analogRead(PIN_A_DEPTH) / 4;
+  //delayTime = map(analogRead(A1),0,1023,5000,20000);
+  delayTime = map(analogRead(PIN_A_RATE), 0, 1023, 0, 40000); ;
+  symetry = map(analogRead(PIN_A_SHAPE), 0, 1023, 4, 251); ;
+
+  waveform = WF_SINE;
+  if (digitalRead(PIN_D_WF1) == LOW) {
+    waveform = WF_SQUARE;
+  }
+  if (digitalRead(PIN_D_WF2) == LOW) {
+    waveform = WF_SAW;
+  }
+}
+
+void loop() {
+  unsigned long millisNow = lmicros() / 8;  //Timestamp NOW
+
+  if (lastTest + 100 < millisNow) {   //Get panel state every 100ms
+    lastTest = millisNow;
+    getInput();
+  }
+
+  if (lastStep < millisNow - delayTime) { //do waveform stuff
+    wfStep ++;
+    if (wfStep > 255) wfStep = 0;
+    lastStep = millisNow;
+
+
+    if ( waveform == WF_SAW ) { 
+      // SAW/TRI
+      if (wfStep < symetry) {
+        analogWrite(PIN_PWM, map(wfStep, 0, symetry, depth, 255));
+      } else {
+        analogWrite(PIN_PWM, map(wfStep, 255, symetry, depth, 255));
+      }
+    } else if ( waveform == WF_SINE ) {
+      // SINE/BUMP
+      if ( symetry >= 63 && symetry <= 191){
+        uint8_t val = pgm_read_word_near(sineLUT + (wfStep));
+        analogWrite(PIN_PWM, map(val, 0, 255, depth, 255));
+      }else{
+        uint8_t val = pgm_read_word_near(bumpLUT + (wfStep));
+        if (symetry > 127){val = 255-val;}
+        analogWrite(PIN_PWM, map(val, 0, 255, depth, 255));
+      }
+    } else {
+      // SQUARE/PWM
+      if (wfStep < symetry) {
+        analogWrite(PIN_PWM, depth);
+      } else {
+        analogWrite(PIN_PWM, 255);
+      }
+    }
+
+  }
+}
--- a/Front-Panel/partlist.md
+++ b/Front-Panel/partlist.md
@@ -1,48 +0,0 @@
-# Partlist
-## Case
-* 1x Box Type BB (https://www.musikding.de/Alu-Gehaeuse-Typ-BB)
-* 2x 3PDT Footswitch (https://www.musikding.de/3PDT-Fussschalter)
-* 1x Carling 1PST Footswitch (https://www.musikding.de/Carling-1PST-Fussschalter)
-* 3x LED-Bezel 5mm chrome (https://www.musikding.de/LED-Fassung-5mm-Chrom-Innenreflektor)
-* 3x 5mm LED
-* 1x Alpha Potentiometer 16mm 50k log (https://www.musikding.de/Alpha-Potentiometer-16mm-50k-log)
-* 4x Alpha Potentiometer 16mm 10k lin (https://www.musikding.de/Alpha-Potentiometer-16mm-10k-lin)
-* 1x Toggleswitch 1 pole ON-OFF-ON (https://www.musikding.de/Kippschalter-1polig-ON-OFF-ON)
-
-## Circuit
-### ICs
-* 1x TL072 (https://www.reichelt.de/j-fet-operationsverstaerker-2-fach-16-v-s-4-mhz-dip-8-tl-072-dip-p21556.html?&trstct=pos_5&nbc=1)
-* 1x LM13700 (https://www.reichelt.de/transkonduktanzverstaerker-2-fach-dip-16-lm-13700-dil-p10394.html?&trstct=pos_0&nbc=1)
-* 1x Attiny (https://www.reichelt.de/8-bit-attiny-avr-risc-mikrocontroller-4-kb-10-mhz-dip-14-attiny-44v-10pu-p119689.html?&trstct=pos_1&nbc=1)
-* 1x L7805 (https://www.reichelt.de/spannungsregler-fest-5-v-1-5a-4-to-220-l-7805-cv-p200897.html?&trstct=pos_0&nbc=1)
-* 1x 2N4401 (https://www.reichelt.de/bipolartransistor-npn-40v-0-6a-0-25w-to-92-2n-4401-p219074.html?&trstct=pos_0&nbc=1)
-
-### Polarized Capacitor
-* 1x 100uF 25V (https://www.reichelt.de/elko-radial-100-uf-25-v-105-c-low-esr-fm-a-100u-25-p200027.html?&trstct=pos_4&nbc=1)
-* 5x 1uF (https://www.reichelt.de/elko-radial-1-0-f-250-v-rm-2-5-85-c-2000h-20--m-a-1-0u-250-p199804.html?&trstct=pol_3&nbc=1)
-* 1x 47uF 16V (https://www.reichelt.de/elko-radial-47-f-16-v-rm-2-0-85-c-2000h-20--rad-47-16-p15142.html?&trstct=pol_0&nbc=1)
-
-### Film Capacitors
-* 3x 100nF (https://www.reichelt.de/mks2-pet-kondensator-100-nf-10-63-vdc-rm-5-mks2-63-100n-p12349.html?&trstct=pos_1&nbc=1)
-* 1x 330nF (https://www.reichelt.de/mks2-pet-kondensator-330-nf-5-63-vdc-rm-5-mks2-63-330n-p12355.html?&trstct=pol_0&nbc=1)
-
-### Resistors
-* 1x 220R 5%
-* 2x 1k 1%
-* 2x 2k2 1%
-* 1x 4k7 1%
-* 2x 10k 5%
-* 1x 20k 1%
-* 1x 20k TRIM
-* 3x 100k 1%
-* 1x 120k 1%
-* 1x 160k 1%
-* 1x 330k 1%
-* 1x 1M 1%
-
-### Diode
-* 1x 1N5817 (Can be jumpered if required)
-
-
-## Programming
-* 1x ISP Programmer for AVR (https://www.fischl.de/usbasp/)
--- a/Schematics/Trem.kicad_pcb
+++ b/Schematics/Trem.kicad_pcb
--- a/Schematics/Trem.kicad_sch
+++ b/Schematics/Trem.kicad_sch
--- a/Utils/tableGenerator.py
+++ b/Utils/tableGenerator.py
@@ -0,0 +1,18 @@
+import math 
+
+num_points = 256
+max_val = 255
+line_length = 16
+points_bump = []
+
+for ix in range(0,num_points):
+    val = math.ceil(math.sin(math.pi * (ix/num_points)) * max_val)
+    points_bump.append(val)
+
+c = 0
+for val in points_bump:
+    print (val, end=', ')
+    c += 1
+    if c > line_length -1:
+        print('')
+        c = 0
--- a/partlist.md
+++ b/partlist.md
@@ -49,5 +49,4 @@
 * 1x 1N5817 (Can be jumpered if required)

 ## Programming
-* 1x ISP Programmer for AVR (https://www.fischl.de/usbasp/)
-
+* 1x ISP Programmer for AVR (https://www.fischl.de/usbasp/)