All Questions
Tagged with hal-library c
11 questions
0
votes
0
answers
31
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Turning off the DEM 128064B SYH-PY display
I'm trying for warming up to turn off and on the DEM 128064B LCD based on the instructions defined in the datasheet page 12 section 10-1, but I nothing changes and the LCD is on always with all the ...
- 1
2
votes
1
answer
2k
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STM32 HAL_ADC_Start() ends with HAL_ERROR
I'm new to microcontroller programming and I have a problem I can't solve.
I am using STM32 Nucleo board L4R5ZI and I try to read the analog value on one of the pins, and then use the ADC to convert ...
- 29
1
vote
1
answer
801
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NAK in CAN bus for STM32F3 uC
I have a problem with the NAK on the CAN bus. On STM32F303RE I wrote a code for communication via CAN bus with car dashboard (Instrument Panel Cluster). The communication works, I manage to receive ...
- 31
0
votes
3
answers
4k
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STM32 HAL driver for register value update
I am new to HAL drivers and STM32 MCUs. Can anyone tell me how to use HAL drivers to update register values of STM32F407 MCU? I have to programatically update the values of ARR and CCR registers of ...
- 927
3
votes
1
answer
1k
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Coding style in STM32 HAL code
While I was reading the STM32 HAL drivers for timers I found this macro:
...
- 277
0
votes
1
answer
1k
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STM32F1 Flash erase not erasing
Hello everyone,
I am trying to write in the FLASH of my STM32F1, but for some reason it is not working ... Whenever I am programming something, it wil return an error : HAL_FLASH_ERROR_PROG which ...
1
vote
1
answer
27k
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How to use SysTick_Handler (an HAL library function) in order to have a time base
In actual I need to measure speed of motor.
I have followed a procedure, i.e
use Encoder mode to get pulses from sensor.
count number of these pulses in 1 sec~1000msec using SysTick_Handler(ISR). ...
- 67
3
votes
4
answers
30k
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How to use timers in STM32 board and HAL library in order to measure speed of motor?
I need to measure the speed of a rotating motor fitted to an encoder disc with 20 slots. The LM393 based sensor is kept at the right place, so that encoder disc rotates in between the sensing part.
I ...
- 67
0
votes
1
answer
1k
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Misunderstanding of hal_spi Communication Functions
The hal_spi communication function returns HAL_OK while nothing is OK. I use HAL_SPI_Receive, HAL_SPI_TransmitReceive, and ...
- 103
3
votes
2
answers
27k
views
STM32 HAL_DELAY hangs with HAL_GetTick=0 [closed]
Environment: GNU_ARM, STM32F407
Every time I use hal_delay() the program hangs just before the call to hal_delay().
I added:
<...
- 103
0
votes
2
answers
5k
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STM32F4 HAL I2C only sends address
I am working on a project where I need to set a simple LCD.
This LCD use the 'ST7032i' chip to control the LCD.
I want to control the LCD over an I²C interface.
As controller I use a STM32F4 ...
- 3