From aeef03a83e59745f06d9b30a5dbbc4eea7170df5 Mon Sep 17 00:00:00 2001 From: inmarket Date: Sat, 24 Feb 2018 11:49:30 +1000 Subject: Updates to standard STM32LTDC based boards to ensure the LTDC clock is fully operational before continuing --- boards/base/STM32F439i-Eval/CubeHal/board_STM32LTDC.h | 1 + 1 file changed, 1 insertion(+) (limited to 'boards/base/STM32F439i-Eval/CubeHal') diff --git a/boards/base/STM32F439i-Eval/CubeHal/board_STM32LTDC.h b/boards/base/STM32F439i-Eval/CubeHal/board_STM32LTDC.h index fd9a32ca..a2c99be6 100644 --- a/boards/base/STM32F439i-Eval/CubeHal/board_STM32LTDC.h +++ b/boards/base/STM32F439i-Eval/CubeHal/board_STM32LTDC.h @@ -89,6 +89,7 @@ static void configureLcdClock(void) RCC->PLLSAICFGR = (LCD_PLLSAIN_VALUE << 6) | (LCD_PLLSAIR_VALUE << 28) | (LCD_PLLSAIQ_VALUE << 24); RCC->DCKCFGR = (RCC->DCKCFGR & ~RCC_DCKCFGR_PLLSAIDIVR) | LCD_PLLSAIDIVR_VALUE; RCC->CR |= RCC_CR_PLLSAION; + while(!(RCC->CR & RCC_CR_PLLSAIRDY)); // wait for PLLSAI to lock #endif } -- cgit v1.2.3