About BCano.1

BCano.1 · 2022-06-13

Hello, I ask this same question a month ago, but i want to reformulate the question to better understanding. I need to implement a lifetime counter using the nucleo-stm32L432kc timers to send the number periodically to an AFBR-S50 sensor. I think the...

BCano.1 · 2022-05-11

Hello, Im trying to power this board and sensor with 30mA power consumption @ 5V with 5V output of the board. What im noticing is the board is not capable of mantaining the voltage with this light consumptions. It starts at 4.7-4.8v with nealy 0mA co...

BCano.1 · 2022-05-05

I have problems detecting a falling edge external interrupt. I can see with the tester the signal changes from 3.2v to 0v so its produced but the the interrupt is not generated. Could the 3.2v instead of 3.3v the problem?Signal is oscillating 3.19-3....

BCano.1 · 2022-05-02

Im in the process of configuring a STM32L432KC to talk with an AFBR-S50 sensor. This sensor needs a periodic interrupt to trigger measurements periodically. In the example they are using a timer with down counting direction to generate the interrupt ...

BCano.1 · 2022-04-29

I have to implement a lifetime counter with microseconds granularity using a STM32L432KC to control an AFBR-S50 sensor. The timer has to count "forever" and this board only has 1 32bit timer, so this timer is for the seconds, i think is the only way...

BCano.1 · 2022-06-13

This is my last implementation:do{ s = __HAL_TIM_GET_COUNTER(&htim2); ms = __HAL_TIM_GET_COUNTER(&htim1); us = __HAL_TIM_GET_COUNTER(&htim15); ms2 = __HAL_TIM_GET_COUNTER(&htim1); s2 = __HAL_TIM_GET_COUNTER(&htim2); } while (ms != ms2 || s != s2...

BCano.1 · 2022-05-11

Hello Bob,Yes, i've looked at the schematic but im very new to stm32 boards. I also have looked to the documentation where it says you can power devices from the 5V or 3v3 pins when the board is powered via USB or by Vin (500mA max, but 300mA max whe...

BCano.1 · 2022-05-10

How can i check TIM registers from debugging? I was not able to solve this. I check everything a million times.

BCano.1 · 2022-05-05

I have done some tests with a logic analyzer and can confirm that the signal is not changing when it should so the problem was the sensor. I dont understand completely the problem because i dont have enough electronics knowledge, but the sensor was f...

BCano.1 · 2022-05-05

What i said before is not right. I did some more testing and i don't know what is happening. The pin is configured as GPIO_EXTI1 but it has 3.2v when nothing is connected to it. So the 3.2v signal is from the MCU itself. The pin in GPIO panel is conf...

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Question about chained timers (again) and how to avoid wraparound glitches

Why is voltage dropping too much in the 5V output Nucleo-STM32L432kc

Falling edge trigger extternal interrupt not detected because different TTL levels?

Periodic Interrupt Timer with dynamic period set (programmatically) not being generated

How to correctly chain 3 timers and fix the overflow and wraparound issues.

Re: Question about chained timers (again) and how to avoid wraparound glitches

Re: Why is voltage dropping too much in the 5V output Nucleo-STM32L432kc

Re: Periodic Interrupt Timer with dynamic period set (programmatically) not being generated

Re: Falling edge trigger extternal interrupt not detected because different TTL levels?

Re: Falling edge trigger extternal interrupt not detected because different TTL levels?