About JNava.1

JNava.1 · 2023-02-23

Hi. I am working in a project which involves the use of an STM32L443 microcontroller. I am using the IAR for ARM v 9.30.1 and the CMSIS and ST drivers package (STM32CubeL4 Firmware Package V1.17.1). I am using LL drivers (HAL is not suitable for our ...

JNava.1 · 2023-01-31

Hi.I am having some issues trying to use the EXTI module, to implement interruption routines associated to ports.The problem is related to the behavior of STM32 microcontrollers with ports interruptions. In most microcontrollers (i.e. Texas Instrumen...

JNava.1 · 2022-02-17

Hi, I am starting to use the STM32 MCUs, in specific, the STM32G0 series. I am planning to use the Keil IDE for developing. I have a question about the package that I must use. I have seen that there is to type of packages containing the CMSIS, LL an...

JNava.1 · 2023-02-28

After doing some tests I realize the problem is because the CMPM (compare match flag) doesn't work as is defined in the reference manual. In the manual, we can read the following:"The CMPM bit is set by hardware to inform application that LPTIM_CNT r...

JNava.1 · 2023-02-02

HiBoth, using the capture timers or using priorities and BASEPRI to enable/disable some interruptions are good alternatives. Personally, capture timers is not an option for my case, because in my current project I have a circuit already designed and ...

JNava.1 · 2023-02-01

S.Ma, thank you for your answer. Respect to that: "PR is equivalent to CCxIF", I am afraid that those flags works in a different way. Timers flags, as CCxIF, are set by hardware when the timer event is triggered, independently of the state of the int...

JNava.1 · 2023-02-01

Thank you for your answer. It is like you said, I have to accept the weird design of the EXTI respect to those topic. I think I have to work enabling/disabling the interrupt at NVIC level. I am using the STM32L443. I know I have individual vectors fo...

JNava.1 · 2023-02-01

Thank you for your answer. I understand how ports and EXTI interruptions related to them works. The problem is the following: the PRx bit is set when an event happens in the corresponding port (falling, raising, both, whatever option that you have co...

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LPTIM compare interruption sometimes is triggered when it should not

EXTI interruption flags

STM32Cube MCU Package vs Keil MDK packages

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