Add Audio effects

locale/circuitpython.pot

@@ -1965,20 +1965,8 @@ msgstr ""
 msgid "The length of rgb_pins must be 6, 12, 18, 24, or 30"
 msgstr ""
 
-#: shared-module/audiomixer/MixerVoice.c
-msgid "The sample's bits_per_sample does not match the mixer's"
-msgstr ""
-
-#: shared-module/audiomixer/MixerVoice.c
-msgid "The sample's channel count does not match the mixer's"
-msgstr ""
-
-#: shared-module/audiomixer/MixerVoice.c
-msgid "The sample's sample rate does not match the mixer's"
-msgstr ""
-
-#: shared-module/audiomixer/MixerVoice.c
-msgid "The sample's signedness does not match the mixer's"
+#: shared-module/audiodelays/Echo.c shared-module/audiomixer/MixerVoice.c
+msgid "The sample's %q does not match"
 msgstr ""
 
 #: supervisor/shared/safe_mode.c
@@ -2511,7 +2499,7 @@ msgstr ""
 msgid "bits must be 32 or less"
 msgstr ""
 
-#: shared-bindings/audiomixer/Mixer.c
+#: shared-bindings/audiodelays/Echo.c shared-bindings/audiomixer/Mixer.c
 msgid "bits_per_sample must be 8 or 16"
 msgstr ""
 

ports/raspberrypi/mpconfigport.mk

@@ -21,7 +21,7 @@ CIRCUITPY_PWMIO ?= 1
 CIRCUITPY_RGBMATRIX ?= $(CIRCUITPY_DISPLAYIO)
 CIRCUITPY_ROTARYIO ?= 1
 CIRCUITPY_ROTARYIO_SOFTENCODER = 1
-CIRCUITPY_SYNTHIO_MAX_CHANNELS = 12
+CIRCUITPY_SYNTHIO_MAX_CHANNELS = 24
 CIRCUITPY_USB_HOST ?= 1
 CIRCUITPY_USB_VIDEO ?= 1
 
@@ -64,6 +64,9 @@ CIRCUITPY_PICODVI ?= 1
 # Our generic touchio uses a pull down and RP2350 A2 hardware doesn't work correctly.
 # So, turn touchio off because it doesn't work.
 CIRCUITPY_TOUCHIO = 0
+
+# Audio effects
+CIRCUITPY_AUDIOEFFECTS ?= 1
 endif
 
 INTERNAL_LIBM = 1

py/circuitpy_defns.mk

@@ -131,6 +131,9 @@ endif
 ifeq ($(CIRCUITPY_AUDIOCORE),1)
 SRC_PATTERNS += audiocore/%
 endif
+ifeq ($(CIRCUITPY_AUDIODELAYS),1)
+SRC_PATTERNS += audiodelays/%
+endif
 ifeq ($(CIRCUITPY_AUDIOMIXER),1)
 SRC_PATTERNS += audiomixer/%
 endif
@@ -617,6 +620,8 @@ SRC_SHARED_MODULE_ALL = \
 	audiocore/RawSample.c \
 	audiocore/WaveFile.c \
 	audiocore/__init__.c \
+	audiodelays/Echo.c \
+	audiodelays/__init__.c \
 	audioio/__init__.c \
 	audiomixer/Mixer.c \
 	audiomixer/MixerVoice.c \

py/circuitpy_mpconfig.mk

@@ -141,6 +141,10 @@ CFLAGS += -DCIRCUITPY_AUDIOCORE_DEBUG=$(CIRCUITPY_AUDIOCORE_DEBUG)
 CIRCUITPY_AUDIOMP3 ?= $(call enable-if-all,$(CIRCUITPY_FULL_BUILD) $(CIRCUITPY_AUDIOCORE))
 CFLAGS += -DCIRCUITPY_AUDIOMP3=$(CIRCUITPY_AUDIOMP3)
 
+CIRCUITPY_AUDIOEFFECTS ?= 0
+CIRCUITPY_AUDIODELAYS ?= $(CIRCUITPY_AUDIOEFFECTS)
+CFLAGS += -DCIRCUITPY_AUDIODELAYS=$(CIRCUITPY_AUDIODELAYS)
+
 CIRCUITPY_AURORA_EPAPER ?= 0
 CFLAGS += -DCIRCUITPY_AURORA_EPAPER=$(CIRCUITPY_AURORA_EPAPER)