update delay function to allow direct call from MIDI map

Author: marcel-licence

library.json

@@ -1,6 +1,6 @@
 {
   "name": "ML_SynthTools",
-  "version": "2.0.12",
+  "version": "2.0.13",
   "keywords": "ML_SynthTools, Synthesizer, Filter, Audio, ESP32, ESP32S2, ESP32S3, STM32, RP2040",
   "description": "Synthesizer Tools; contains waveform generators etc.",
   "repository":

library.properties

@@ -1,5 +1,5 @@
 name=ML SynthTools
-version=2.0.12
+version=2.0.13
 author=Marcel Licence <[email protected]>
 maintainer=Marcel Licence <[email protected]>
 sentence=Synthesizer Tools

src/ml_delay.cpp

@@ -403,9 +403,20 @@ void Delay_SetOutputLevel(uint8_t unused __attribute__((unused)), uint8_t value)
 void Delay_SetLength(uint8_t unused __attribute__((unused)), float value)
 {
     delayLen = (uint32_t)(((float)delayLenMax - 1.0f) * value);
+    if (delayLen < 1)
+    {
+        delayLen = 1;
+    }
     Status_ValueChangedFloat("Delay_SetLength", value);
 }
 
+void Delay_SetLength(uint8_t unused __attribute__((unused)), uint8_t value)
+{
+    float value_f = value;
+    value_f *= 1.0f / 127.0f;
+    Delay_SetLength(unused, value_f);
+}
+
 void Delay_SetLength(uint8_t unused __attribute__((unused)), uint32_t value)
 {
     if (value != delayLen)

src/ml_delay.h

@@ -61,6 +61,7 @@ void Delay_SetOutputLevel(uint8_t unused __attribute__((unused)), float value);
 void Delay_SetOutputLevel(uint8_t unused __attribute__((unused)), uint8_t value);
 void Delay_SetLength(uint8_t unused __attribute__((unused)), float value);
 void Delay_SetLength(uint8_t unused __attribute__((unused)), uint32_t value);
+void Delay_SetLength(uint8_t unused __attribute__((unused)), uint8_t value);
 void Delay_SetShift(uint8_t unused __attribute__((unused)), float value);