diff options
| -rw-r--r-- | hw/bsp/stm32l476disco/stm32l476disco.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/bsp/stm32l476disco/stm32l476disco.c b/hw/bsp/stm32l476disco/stm32l476disco.c index 2d4a4e3de..b18846685 100644 --- a/hw/bsp/stm32l476disco/stm32l476disco.c +++ b/hw/bsp/stm32l476disco/stm32l476disco.c @@ -86,14 +86,19 @@ static void SystemClock_Config(void) RCC_OscInitTypeDef RCC_OscInitStruct; RCC_PeriphCLKInitTypeDef PeriphClkInitStruct; - /* Enable the LSE Oscilator */ + /* Enable the LSE Oscillator */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE; RCC_OscInitStruct.LSEState = RCC_LSE_ON; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; HAL_RCC_OscConfig(&RCC_OscInitStruct); /* Enable the CSS interrupt in case LSE signal is corrupted or not present */ HAL_RCCEx_DisableLSECSS(); + /* Set tick interrupt priority, default HAL value is intentionally invalid + and that prevents PLL initialization in HAL_RCC_OscConfig() */ + HAL_InitTick((1UL << __NVIC_PRIO_BITS) - 1UL); + /* Enable MSI Oscillator and activate PLL with MSI as source */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI; RCC_OscInitStruct.MSIState = RCC_MSI_ON; |