kingkevin
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espressif_tinyusb
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4 Commits

Author SHA1 Message Date
Stefan Kerkmann 1d2a57a9e1 Remove unsuitable clock configurations from init code 
Only 48MHz, 72MHz, 96MHz and 120 MHz system clocks derived from an
external crystal are suitable for the usb peripheral, as the internal
oscillator is not stable enough. Also the usb-prescaler only supports
division by 1 (48MHZ), 1.5(72MHz), 2(96MHz) and 2.5(120Mhz).
120Mhz is also out of spec and not added here.
 2021-08-07 11:33:36 +02:00
Stefan Kerkmann 733a362436 Use nuclei-sdk functions for init code 
Instead of using the HAL functions we can just use the defines from the
board support for the longan nano that comes with the nuclei-sdk. Also
we move some includes and defines to the header file.
 2021-08-07 11:32:06 +02:00
Stefan Kerkmann 3db2089aa9 Minor clean ups 2021-08-03 20:00:39 +02:00
Stefan Kerkmann 19b971cb24 Add board support for gd32vf103 longan nano 2021-08-03 20:00:39 +02:00