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authorHiFiPhile <[email protected]>2026-06-23 23:12:51 +0200
committerHiFiPhile <[email protected]>2026-06-23 23:12:51 +0200
commit033dc6bb77e8a9e1c1172d74d47707848b5c5bf5 (patch)
treee7672f9bda54aa1a243b2a1c0f74a48055569c63 /examples/device/audio_test_freertos
parentb5e63ca44c846813ece9ad9df684cae0d1d5b542 (diff)
parentcd3561bf158afd5a5718904b8139a338d1e3b67c (diff)
Merge remote-tracking branch 'tinyusb/master' into fix-stm32-usbc
Diffstat (limited to 'examples/device/audio_test_freertos')
-rw-r--r--examples/device/audio_test_freertos/CMakeLists.txt5
-rw-r--r--examples/device/audio_test_freertos/sdkconfig.defaults3
-rw-r--r--examples/device/audio_test_freertos/skip.txt1
-rwxr-xr-xexamples/device/audio_test_freertos/src/plot_audio_samples.py50
-rw-r--r--examples/device/audio_test_freertos/src/usb_descriptors.c4
5 files changed, 61 insertions, 2 deletions
diff --git a/examples/device/audio_test_freertos/CMakeLists.txt b/examples/device/audio_test_freertos/CMakeLists.txt
index 71d65eccc..a39e56822 100644
--- a/examples/device/audio_test_freertos/CMakeLists.txt
+++ b/examples/device/audio_test_freertos/CMakeLists.txt
@@ -2,6 +2,11 @@ cmake_minimum_required(VERSION 3.20)
include(${CMAKE_CURRENT_SOURCE_DIR}/../../../hw/bsp/family_support.cmake)
+# Need to set Espressif defaults before project() is called
+if(FAMILY STREQUAL "espressif")
+ list(APPEND SDKCONFIG_DEFAULTS "${CMAKE_CURRENT_LIST_DIR}/sdkconfig.defaults")
+endif()
+
project(audio_test_freertos C CXX ASM)
# Checks this example is valid for the family and initializes the project
diff --git a/examples/device/audio_test_freertos/sdkconfig.defaults b/examples/device/audio_test_freertos/sdkconfig.defaults
index 83871619e..6e7a1cf52 100644
--- a/examples/device/audio_test_freertos/sdkconfig.defaults
+++ b/examples/device/audio_test_freertos/sdkconfig.defaults
@@ -1,3 +1,6 @@
CONFIG_IDF_CMAKE=y
+# 1000 Hz tick: the UAC iso IN endpoint must be serviced every 1 ms frame;
+# ESP-IDF's default 100 Hz starves the audio task -> host capture fails (arecord EIO).
+CONFIG_FREERTOS_HZ=1000
CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK=y
CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION=y
diff --git a/examples/device/audio_test_freertos/skip.txt b/examples/device/audio_test_freertos/skip.txt
index 386a0cdfb..660bacd25 100644
--- a/examples/device/audio_test_freertos/skip.txt
+++ b/examples/device/audio_test_freertos/skip.txt
@@ -2,6 +2,7 @@ mcu:CH32F20X
mcu:CH32V103
mcu:CH32V20X
mcu:CH32V307
+mcu:CH583
mcu:CXD56
mcu:F1C100S
mcu:GD32VF103
diff --git a/examples/device/audio_test_freertos/src/plot_audio_samples.py b/examples/device/audio_test_freertos/src/plot_audio_samples.py
index b6d8e824b..b6a916be4 100755
--- a/examples/device/audio_test_freertos/src/plot_audio_samples.py
+++ b/examples/device/audio_test_freertos/src/plot_audio_samples.py
@@ -4,6 +4,52 @@ import matplotlib.pyplot as plt
import numpy as np
import platform
+
+def find_windows_input_device(name_hint, channels, preferred_apis=None):
+ """Pick a Windows input device index from query_devices() output."""
+ preferred_apis = preferred_apis or []
+ name_hint = name_hint.lower()
+ candidates = []
+
+ for index in range(len(sd.query_devices())):
+ device_info = sd.query_devices(index)
+ max_input_channels = int(device_info.get('max_input_channels', 0))
+
+ if max_input_channels < channels:
+ continue
+
+ device_name = str(device_info.get('name', '')).lower()
+ if name_hint not in device_name:
+ continue
+
+ score = 0
+
+ # Prefer exact channel matches (for example 1ch source over a 4ch source).
+ if max_input_channels == channels:
+ score += 100
+ else:
+ score += 10
+
+ hostapi_index = int(device_info.get('hostapi', -1))
+ api_name = ''
+ if hostapi_index >= 0:
+ hostapi_info = sd.query_hostapis(hostapi_index)
+ api_name = str(hostapi_info.get('name', '')).lower()
+
+ for priority, api_hint in enumerate(preferred_apis):
+ if api_hint in api_name:
+ score += 50 - priority
+ break
+
+ candidates.append((score, index))
+
+ if not candidates:
+ raise ValueError(
+ 'No input device matching hint="{}" with at least {} channels'.format(name_hint, channels)
+ )
+
+ return max(candidates, key=lambda item: item[0])[1]
+
if __name__ == '__main__':
# If you got "ValueError: No input device matching", that is because your PC name example device
@@ -14,8 +60,8 @@ if __name__ == '__main__':
duration = 3 # Duration of recording
if platform.system() == 'Windows':
- # MME is needed since there are more than one MicNode device APIs (at least in Windows)
- device = 'Microphone (MicNode), Windows WASAPI'
+ # Match by substring to support names like "Microphone (2- MicNode)".
+ device = find_windows_input_device('micnode', channels=1, preferred_apis=['wasapi', 'mme', 'wdm-ks'])
elif platform.system() == 'Darwin':
device = 'MicNode'
else:
diff --git a/examples/device/audio_test_freertos/src/usb_descriptors.c b/examples/device/audio_test_freertos/src/usb_descriptors.c
index ad161939e..37ebf84d3 100644
--- a/examples/device/audio_test_freertos/src/usb_descriptors.c
+++ b/examples/device/audio_test_freertos/src/usb_descriptors.c
@@ -91,6 +91,10 @@ enum
// nRF5x ISO can only be endpoint 8
#define EPNUM_AUDIO 0x08
+#elif TU_CHECK_MCU(OPT_MCU_MAX32650, OPT_MCU_MAX32666, OPT_MCU_MAX32690, OPT_MCU_MAX78002)
+ // Put audio iso on EP>=8 so the 2048/4096-byte FIFOs can back double packet buffering
+ #define EPNUM_AUDIO 0x0A
+
#else
#define EPNUM_AUDIO 0x01
#endif