An interactive documentation interface can be found here: https://runjumplabs.github.io/dreammaker_fx/docs/
An interactive documentation interface can be found here: https://runjumplabs.github.io/dreammaker_fx/docs/
An interactive documentation interface can be found here: https://runjumplabs.github.io/dreammaker_fx/docs/
Basic Delay Effect
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This is very basic digital delay / echo effect. It uses only fx_delay block to provide a bunch of functions found in delay pedals.
As configured here, this delay has a maximum delay time of 3 seconds. You can either use the pot or tap the delay in using the right foot switch.
Feedback pot determines how quickly the echoes die of and the mix is the mix between clean / effect.
The left footswitch bypasses the effect. And the right footswitch can be used to tap in a new delay time.
Arduino Code
Knob and button functions
Delay time
Feedback
Mix
Bypass
Tap
Basic Delay Effect
Copy / paste this code into the Arduino IDE, download and run this effect
.
#include <dreammakerfx.h>
fx_delay my_delay(3000.0, // 3000 ms
0.6); // 0.6 feedback
void setup() {
// put your setup code here, to run once:
pedal.init();
pedal.route_audio(pedal.instr_in, my_delay.input);
pedal.route_audio(my_delay.output, pedal.amp_out);
// Left footswitch is bypass
pedal.add_bypass_button(FOOTSWITCH_LEFT);
// Right foot switch is tap loop length
pedal.add_tap_interval_button(FOOTSWITCH_RIGHT, true);
pedal.run();
}
void loop() {
// If new delay time has been tapped in, use that
if (pedal.new_tap_interval()) {
my_delay.set_length_ms(pedal.get_tap_interval_ms());
}
// Left pot changes the volume of the first loop
if (pedal.pot_left.has_changed()) {
my_delay.set_feedback(pedal.pot_left.val);
}
// Right pot changes the wet / dry mix
if (pedal.pot_right.has_changed()) {
my_delay.set_dry_mix(1.0 - pedal.pot_right.val);
my_delay.set_wet_mix(pedal.pot_right.val);
}
// Center pot can also be used to change the delay length
// from 100ms to 3000ms
if (pedal.pot_center.has_changed()) {
float new_length_ms = 100.0 + pedal.pot_center.val*2900.0;
my_delay.set_length_ms(new_length_ms);
pedal.set_tap_blink_rate_ms(new_length_ms);
}
// Service pedal
pedal.service();
}
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