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cpu/stm32/periph/usbdev_fs: conditional configuration of CRS

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Conditional configuration of CRS_CR_AUTOTRIMEN allows the compilation of the driver for STM32 MCUs that don't have Clock Recovery System.
This commit is contained in:
Gunar Schorcht 2022-10-02 16:32:42 +02:00
parent 66d0f948ba
commit 20bdd3452e
1 changed files with 3 additions and 0 deletions
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3
cpu/stm32/periph/usbdev_fs.c
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@ -138,8 +138,11 @@ static void _enable_usb_clk(void)
#elif defined(RCC_APB1SMENR1_USBSMEN)
RCC->APB1SMENR1 |= RCC_APB1SMENR1_USBSMEN;
#endif
#if defined(CRS_CR_AUTOTRIMEN) && defined(CRS_CR_CEN)
/* Enable CRS with auto trim enabled */
CRS->CR |= (CRS_CR_AUTOTRIMEN | CRS_CR_CEN);
#endif
}
static void _enable_gpio(const stm32_usbdev_fs_config_t *conf)