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trezorhal: enable BOR level 3, PVD level 5, turn off display in PVD handler
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@ -13,7 +13,7 @@
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#define WANT_WRP_SECTORS (0)
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#endif
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#define WANT_BOR_LEVEL (OB_BOR_LEVEL2)
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#define WANT_BOR_LEVEL (OB_BOR_LEVEL3)
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// reference RM0090 section 3.9.10; SPRMOD is 0 meaning PCROP disabled.; DB1M is 0 because we use 2MB dual-bank; BFB2 is 0 allowing boot from flash;
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#define FLASH_OPTCR_VALUE ( (((~WANT_WRP_SECTORS) << FLASH_OPTCR_nWRP_Pos) & FLASH_OPTCR_nWRP_Msk) | \
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@ -120,12 +120,12 @@ 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 "2.6V" threshold (level 4).
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// select the "2.7V" threshold (level 5).
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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_4;
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pvd_config.PVDLevel = PWR_PVDLEVEL_5;
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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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@ -51,3 +51,11 @@ void SysTick_Handler(void)
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// 49.71 days = (0xffffffff / (24 * 60 * 60 * 1000))
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uwTick++;
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}
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extern void shutdown(void);
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void PVD_IRQHandler(void)
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{
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TIM1->CCR1 = 0; // turn off display backlight
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shutdown();
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}
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