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boardloader: use PVD level 4
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@ -65,13 +65,12 @@ void periph_init(void)
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__HAL_RCC_GPIOD_CLK_ENABLE();
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// enable the PVD (programmable voltage detector).
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// select the "2.7V" threshold (level 5). the typical electrical
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// characteristic values are similar to BOR level 3.
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// select the "2.6V" threshold (level 4).
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// this detector will be active regardless of the
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// flash option byte BOR setting.
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__HAL_RCC_PWR_CLK_ENABLE();
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PWR_PVDTypeDef pvd_config;
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pvd_config.PVDLevel = PWR_PVDLEVEL_5;
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pvd_config.PVDLevel = PWR_PVDLEVEL_4;
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pvd_config.Mode = PWR_PVD_MODE_IT_RISING_FALLING;
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HAL_PWR_ConfigPVD(&pvd_config);
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HAL_PWR_EnablePVD();
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