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boardloader: use PVD level 4

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Pavol Rusnak 2017-10-29 17:58:33 +01:00
parent 30ddb53c11
commit a08f18c2ce
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GPG Key ID: 91F3B339B9A02A3D
1 changed files with 2 additions and 3 deletions
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embed/boardloader/lowlevel.c
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@ -65,13 +65,12 @@ void periph_init(void)
__HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE();
// enable the PVD (programmable voltage detector). // enable the PVD (programmable voltage detector).
// select the "2.7V" threshold (level 5). the typical electrical // select the "2.6V" threshold (level 4).
// characteristic values are similar to BOR level 3.
// this detector will be active regardless of the // this detector will be active regardless of the
// flash option byte BOR setting. // flash option byte BOR setting.
__HAL_RCC_PWR_CLK_ENABLE(); __HAL_RCC_PWR_CLK_ENABLE();
PWR_PVDTypeDef pvd_config; PWR_PVDTypeDef pvd_config;
pvd_config.PVDLevel = PWR_PVDLEVEL_5; pvd_config.PVDLevel = PWR_PVDLEVEL_4;
pvd_config.Mode = PWR_PVD_MODE_IT_RISING_FALLING; pvd_config.Mode = PWR_PVD_MODE_IT_RISING_FALLING;
HAL_PWR_ConfigPVD(&pvd_config); HAL_PWR_ConfigPVD(&pvd_config);
HAL_PWR_EnablePVD(); HAL_PWR_EnablePVD();