This is what my directory looks like (using Windows dir command):
C:\Users\Joe\GitLab\syntiant-dsp-firmware.git\ndp250\src\hal>dir
Volume in drive C has no label.
Volume Serial Number is 5CDE-80AE
Directory of C:\Users\Joe\GitLab\syntiant-dsp-firmware.git\ndp250\src\hal
06/28/2024 10:03 AM <DIR> .
06/28/2024 10:03 AM <DIR> ..
05/22/2024 06:51 PM <SYMLINK> algo_config.h [..\..\..\ndp120\src\hal\algo_config.h]
05/22/2024 06:51 PM <SYMLINK> algo_function_list.c [..\..\..\ndp120\src\hal\algo_function_list.c]
05/22/2024 06:51 PM <SYMLINK> algo_function_list.h [..\..\..\ndp120\src\hal\algo_function_list.h]
05/22/2024 06:51 PM <SYMLINK> algo_interface.c [..\..\..\ndp120\src\hal\algo_interface.c]
05/22/2024 06:51 PM <SYMLINK> algo_interface.h [..\..\..\ndp120\src\hal\algo_interface.h]
05/22/2024 06:51 PM 26,646 audio_sync.c
05/22/2024 06:51 PM <SYMLINK> audio_sync.h [..\..\..\ndp120\src\hal\audio_sync.h]
05/22/2024 06:51 PM <SYMLINK> aud_out.c [..\..\..\ndp120\src\hal\aud_out.c]
05/22/2024 06:51 PM <SYMLINK> aud_out.h [..\..\..\ndp120\src\hal\aud_out.h]
05/22/2024 06:51 PM <SYMLINK> circular_buffer.c [..\..\..\ndp120\src\hal\circular_buffer.c]
05/22/2024 06:51 PM <SYMLINK> circular_buffer.h [..\..\..\ndp120\src\hal\circular_buffer.h]
05/22/2024 06:51 PM <SYMLINK> common.c [..\..\..\ndp120\src\hal\common.c]
05/22/2024 06:51 PM <SYMLINK> common.h [..\..\..\ndp120\src\hal\common.h]
06/06/2024 09:31 AM 13,322 config.c
05/22/2024 06:51 PM <SYMLINK> config.h [..\..\..\ndp120\src\hal\config.h]
05/22/2024 06:51 PM <SYMLINK> crc8.c [..\..\..\ndp120\src\hal\crc8.c]
05/22/2024 06:51 PM <SYMLINK> crc8.h [..\..\..\ndp120\src\hal\crc8.h]
05/22/2024 06:51 PM <SYMLINK> debug.c [..\..\..\ndp120\src\hal\debug.c]
05/22/2024 06:51 PM <SYMLINK> debug.h [..\..\..\ndp120\src\hal\debug.h]
05/22/2024 06:51 PM <SYMLINK> delay.c [..\..\..\ndp120\src\hal\delay.c]
05/22/2024 06:51 PM <SYMLINK> delay.h [..\..\..\ndp120\src\hal\delay.h]
05/22/2024 06:51 PM <SYMLINK> dma.c [..\..\..\ndp120\src\hal\dma.c]
05/22/2024 06:51 PM <SYMLINK> dma.h [..\..\..\ndp120\src\hal\dma.h]
06/28/2024 11:00 AM 42,472 dnn.c
05/22/2024 06:51 PM <SYMLINK> dnn.h [..\..\..\ndp120\src\hal\dnn.h]
05/22/2024 06:51 PM <SYMLINK> errors.h [..\..\..\ndp120\src\hal\errors.h]
05/22/2024 06:51 PM <SYMLINK> fe_spl.c [..\..\..\ndp120\src\hal\fe_spl.c]
06/11/2024 12:22 AM 23,807 fifo.c
05/22/2024 06:51 PM <SYMLINK> fifo.h [..\..\..\ndp120\src\hal\fifo.h]
05/22/2024 06:51 PM <SYMLINK> flow.c [..\..\..\ndp120\src\hal\flow.c]
05/22/2024 06:51 PM <SYMLINK> flow.h [..\..\..\ndp120\src\hal\flow.h]
05/22/2024 06:51 PM <SYMLINK> fw_state.c [..\..\..\ndp120\src\hal\fw_state.c]
05/22/2024 06:51 PM <SYMLINK> fw_state.h [..\..\..\ndp120\src\hal\fw_state.h]
05/22/2024 06:51 PM 12,722 gpio.c
05/22/2024 06:51 PM <SYMLINK> gpio.h [..\..\..\ndp120\src\hal\gpio.h]
05/22/2024 06:51 PM <DIR> hal-public-interface
05/22/2024 06:51 PM <SYMLINK> interrupts.c [..\..\..\ndp120\src\hal\interrupts.c]
05/22/2024 06:51 PM <SYMLINK> interrupts.h [..\..\..\ndp120\src\hal\interrupts.h]
06/06/2024 09:31 AM 38,664 jpeg.c
06/06/2024 09:31 AM 3,535 jpeg.h
05/22/2024 06:51 PM <SYMLINK> mailbox.c [..\..\..\ndp120\src\hal\mailbox.c]
05/22/2024 06:51 PM <SYMLINK> mailbox.h [..\..\..\ndp120\src\hal\mailbox.h]
05/22/2024 06:51 PM 4,095 mem.c
05/22/2024 06:51 PM 1,381 mem.h
05/22/2024 06:51 PM <SYMLINK> mic.c [..\..\..\ndp120\src\hal\mic.c]
05/22/2024 06:51 PM <SYMLINK> mic.h [..\..\..\ndp120\src\hal\mic.h]
05/22/2024 06:51 PM <SYMLINK> ndp115_dnn_regs.h [..\..\..\ndp120\src\hal\ndp115_dnn_regs.h]
05/22/2024 06:51 PM <SYMLINK> ndp115_regs.h [..\..\..\ndp120\src\hal\ndp115_regs.h]
05/22/2024 06:51 PM <SYMLINK> ndp115_spi_regs.h [..\..\..\ndp120\src\hal\ndp115_spi_regs.h]
05/22/2024 06:51 PM <SYMLINK> ndp120_dnn_regs.h [..\..\..\ndp120\src\hal\ndp120_dnn_regs.h]
05/22/2024 06:51 PM 534,106 ndp120_regs.h
05/22/2024 06:51 PM <SYMLINK> ndp120_spi_regs.h [..\..\..\ndp120\src\hal\ndp120_spi_regs.h]
05/22/2024 06:51 PM 29,847 ndp250a0_dnn_regs.h
05/22/2024 06:51 PM 579,097 ndp250a0_regs.h
05/22/2024 06:51 PM 27,311 ndp250a0_spi_regs.h
05/22/2024 06:51 PM <SYMLINK> ndp_regs.h [..\..\..\ndp120\src\hal\ndp_regs.h]
05/22/2024 06:51 PM <SYMLINK> notify.c [..\..\..\ndp120\src\hal\notify.c]
05/22/2024 06:51 PM <SYMLINK> notify.h [..\..\..\ndp120\src\hal\notify.h]
05/22/2024 06:51 PM <SYMLINK> pdm.c [..\..\..\ndp120\src\hal\pdm.c]
05/22/2024 06:51 PM <SYMLINK> pdm.h [..\..\..\ndp120\src\hal\pdm.h]
05/22/2024 06:51 PM <SYMLINK> pwr.c [..\..\..\ndp120\src\hal\pwr.c]
05/22/2024 06:51 PM <SYMLINK> pwr.h [..\..\..\ndp120\src\hal\pwr.h]
05/22/2024 06:51 PM <SYMLINK> ringbuf.c [..\..\..\ndp120\src\hal\ringbuf.c]
05/22/2024 06:51 PM <SYMLINK> ringbuf.h [..\..\..\ndp120\src\hal\ringbuf.h]
05/22/2024 06:51 PM <SYMLINK> sample.c [..\..\..\ndp120\src\hal\sample.c]
05/22/2024 06:51 PM <SYMLINK> sample.h [..\..\..\ndp120\src\hal\sample.h]
05/22/2024 06:51 PM <SYMLINK> sc_reg_alias.h [..\..\..\ndp120\src\hal\sc_reg_alias.h]
05/22/2024 06:51 PM <SYMLINK> sensor.c [..\..\..\ndp120\src\hal\sensor.c]
05/22/2024 06:51 PM <SYMLINK> sensor.h [..\..\..\ndp120\src\hal\sensor.h]
05/22/2024 06:51 PM <SYMLINK> sensor_function_list.c [..\..\..\ndp120\src\hal\sensor_function_list.c]
05/22/2024 06:51 PM <SYMLINK> sensor_function_list.h [..\..\..\ndp120\src\hal\sensor_function_list.h]
05/22/2024 06:51 PM 10,129 serial.c
05/22/2024 06:51 PM 1,142 serial.h
05/22/2024 06:51 PM <SYMLINK> softmax.c [..\..\..\ndp120\src\hal\softmax.c]
05/22/2024 06:51 PM <SYMLINK> softmax.h [..\..\..\ndp120\src\hal\softmax.h]
05/22/2024 06:51 PM <SYMLINK> spi.c [..\..\..\ndp120\src\hal\spi.c]
05/22/2024 06:51 PM <SYMLINK> spi.h [..\..\..\ndp120\src\hal\spi.h]
05/22/2024 06:51 PM <SYMLINK> spl.c [..\..\..\ndp120\src\hal\spl.c]
05/22/2024 06:51 PM <SYMLINK> spl.h [..\..\..\ndp120\src\hal\spl.h]
05/22/2024 06:51 PM <SYMLINK> test.c [..\..\..\ndp120\src\hal\test.c]
05/22/2024 06:51 PM <SYMLINK> test.h [..\..\..\ndp120\src\hal\test.h]
05/22/2024 06:51 PM <SYMLINK> timer.c [..\..\..\ndp120\src\hal\timer.c]
05/22/2024 06:51 PM <SYMLINK> timer.h [..\..\..\ndp120\src\hal\timer.h]
05/22/2024 06:51 PM <SYMLINK> varring.c [..\..\..\ndp120\src\hal\varring.c]
05/22/2024 06:51 PM <SYMLINK> varring.h [..\..\..\ndp120\src\hal\varring.h]
06/06/2024 09:31 AM 16,488 video.c
06/06/2024 09:31 AM 934 video.h
86 File(s) 1,365,698 bytes
3 Dir(s) 917,827,252,224 bytes free
C:\Users\Joe\GitLab\syntiant-dsp-firmware.git\ndp250\src\hal>