<![CDATA[Factory Test and Microphone example not compiling M5 Stick C Plus (latest version)]]>Line 438 in M5StickCPlus\examples\FactoryTest.ino and line 55 M5StickCPlus\examples\Micophone.ino has a compile error on the line marked ----> below

i2s_pin_config_t pin_config;
#if (ESP_IDF_VERSION > ESP_IDF_VERSION_VAL(4, 3, 0))
--------> pin_config.mck_io_num = I2S_PIN_NO_CHANGE;
#endif
pin_config.bck_io_num = I2S_PIN_NO_CHANGE;

The error is:

C:\Projects\ArduinoSketchbooks\GPS-Mic-Test\GPS-Mic-Test.ino: In function 'bool InitI2SMicroPhone()':
GPS-Mic-Test:438:16: error: 'struct i2s_pin_config_t' has no member named 'mck_io_num'; did you mean 'bck_io_num'?
pin_config.mck_io_num = I2S_PIN_NO_CHANGE;
^~~~~~~~~~
bck_io_num

...
exit status 1
'struct i2s_pin_config_t' has no member named 'mck_io_num'; did you mean 'bck_io_num'?

]]>https://community.m5stack.com/topic/5192/factory-test-and-microphone-example-not-compiling-m5-stick-c-plus-latest-versionRSS for NodeWed, 29 Apr 2026 11:28:57 GMTWed, 05 Apr 2023 09:34:38 GMT60<![CDATA[Reply to Factory Test and Microphone example not compiling M5 Stick C Plus (latest version) on Wed, 05 Apr 2023 10:25:34 GMT]]>@bazman Fix is to delete the line! Both the microphone example and the factory test project then work.

]]>https://community.m5stack.com/post/20530https://community.m5stack.com/post/20530Wed, 05 Apr 2023 10:25:34 GMT