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Enable USB for STM32L0 #2968

Merged
merged 3 commits into from
Apr 3, 2023
Merged

Enable USB for STM32L0 #2968

merged 3 commits into from
Apr 3, 2023

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kasjer
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@kasjer kasjer commented Mar 31, 2023

This PR:

  • modifies clock configuration to use USB with HSI16
  • fixes some copy/paste descriptions of syscfg definitions
  • add configuration package so TinyUSB can be used with STM32L0 boards

@kasjer
mcu/stm32l0: Update system clock settings
43e0f28 
Added option to have HSI16 divided by 4 (needed to
run USB (48MHz) and sysclk at 32MHz).
AHB/APB divider descriptions incorrectly suggested that
clock can be 64MHz while 32MHz iz max
@kasjer
bsp/nucleo-l073rz: Change PLL settings
25b6f5e 
PLL settings are now changed to generate 48MHz clock
usable for USB without need for HSI48.
@kasjer
tinyusb: Add hardware initialization for stm32l0
b99f2a0 
TinyUSB uses same driver for STM32L0 as for STM32F1 but there
are differences in interrupts and power settings that call
for separate package.
@kasjer kasjer merged commit 87bdcaf into apache:master Apr 3, 2023
@kasjer kasjer deleted the kasjer/stm32l0-usb branch April 3, 2023 06:45
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@sjanc sjanc sjanc approved these changes

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@kasjer @sjanc