From c846bca280425ee463bc132f507c8f3ddd78ee29 Mon Sep 17 00:00:00 2001 From: hedger Date: Fri, 12 Aug 2022 16:40:28 +0300 Subject: [PATCH] FuriHal: do not enable LSECSS if BORRST is active (#1590) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: あく --- firmware/targets/f7/furi_hal/furi_hal_clock.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/firmware/targets/f7/furi_hal/furi_hal_clock.c b/firmware/targets/f7/furi_hal/furi_hal_clock.c index 09efe76dd..a7c9b4d03 100644 --- a/firmware/targets/f7/furi_hal/furi_hal_clock.c +++ b/firmware/targets/f7/furi_hal/furi_hal_clock.c @@ -75,7 +75,10 @@ void furi_hal_clock_init() { LL_EXTI_LINE_18); /* Why? Because that's why. See RM0434, Table 61. CPU1 vector table. */ LL_EXTI_EnableRisingTrig_0_31(LL_EXTI_LINE_18); LL_RCC_EnableIT_LSECSS(); - LL_RCC_LSE_EnableCSS(); + /* ES0394, extended case of 2.2.2 */ + if(!LL_RCC_IsActiveFlag_BORRST()) { + LL_RCC_LSE_EnableCSS(); + } /* Main PLL configuration and activation */ LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSE, LL_RCC_PLLM_DIV_2, 8, LL_RCC_PLLR_DIV_2);