'LFO' node.

noisicaa/node_lib/lfo/audio.dsp

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+/*
+ * @begin:license
+ *
+ * Copyright (c) 2015-2019, Benjamin Niemann <pink@odahoda.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * @end:license
+ */
+
+declare input0_name "freq";
+declare input1_name "min";
+declare input2_name "max";
+
+os = library("oscillators.lib");
+
+shape = nentry(
+    "waveform[style:menu{'Sine':0.0; 'Sawtooth':1.0; 'Square':2.0}]",
+    0.0, 0.0, 2.0, 1.0);
+
+osc(freq) = ((os.osc(freq), os.lf_saw(freq), os.lf_squarewave(freq) : select3(shape)) + 1) / 2;
+scale(sig, a, b) = sig * (b - a) + a;
+
+process = osc, _, _ : scale;

noisicaa/node_lib/lfo/description.yaml

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+uri: builtin://lfo
+audio_class_uri: node://lfo
+display_name: LFO
+ui:
+    body_qml: noisicaa/node_lib/lfo/ui.qml
+ports:
+- name: freq
+  faust_ui:
+      type: hslider
+      path: /audio/[0]
+  float_value:
+      default: 10.0
+      min: 0.01
+      max: 100.0
+      step: 0.01
+- name: min
+  faust_ui:
+      type: nentry
+      path: /audio/[1]
+  float_value:
+      default: 0.0
+      min: -20000.0
+      max: 20000.0
+      step: 1
+- name: max
+  faust_ui:
+      type: nentry
+      path: /audio/[2]
+  float_value:
+      default: 1.0
+      min: -20000.0
+      max: 20000.0
+      step: 1

noisicaa/node_lib/lfo/wscript

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+# @begin:license
+#
+# Copyright (c) 2015-2021, Ben Niemann <pink@odahoda.de>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# @end:license
+
+def build(ctx):
+    ctx.noise_faust_node()