About D. Reiher

D. Reiher · 2023-09-05

Hi everyone,I recently triggered a bug in multiple projects using the same MCU STM32L151ZC. When booting the CPU I reproducibly get an assert_failed() call from HAL_RCC_OscConfig(). I created a clean project in CubeIDE to analyse the problem, which I...

D. Reiher · 2023-09-07

I further investigated into this. With enabled prefetch buffer, some to all build configurations lead to this error. With disabled prefetch buffer (in the .ioc) but enabled 64 bit flash access mode (done automatically in HAL) I cant provoke the error...

D. Reiher · 2023-09-05

breakpoint in the line below RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL8; so PLLMUL should be 786432: breakpoint in line RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL8; and stepping over the line in debugger, the value of PLLMUL actually is 786432:

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STM32L151 fails to boot with CubeIDE autogenerated code

Re: STM32L151 fails to boot with CubeIDE autogenerated code

Re: STM32L151 fails to boot with CubeIDE autogenerated code