About JJoao.1

JJoao.1 · 2024-10-13

Hello Everybody, I would like transform the HAL_GetTick() function more than 49 days.I don't find a NVIC overflow on this function to increment a second variable. In my while I have do this with uint32_t Mem_GetTick; uint64_t Tick64; while (1) ...

JJoao.1 · 2024-09-21

Hi all, I currently work on STM32F030K6 . I am working with a reed switch connected to pin PA8 (EXTI8). I havec onfigured the PIN like : "external Interrupt Mode rising/falling ....I need to perform an action on the rising edge AND on the falling ed...

JJoao.1 · 2024-05-03

Hi everybody,I have a lot of the same warnings, but the compilation is ok! I would still like to try to solve themin my main.c in this line : st7567_Write_Number2(100, 27, D_seconde, Number_microsoftSansSerif_14pt, INFO_Number_microsoftSansSerif_14pt...

JJoao.1 · 2024-05-01

Hi everybody, I would like create a smart watch with a STML031 and a driver for screen ST7567.I'm looking for the best way to make this watch in outline. Particularly regarding the precision obtained for 1Hz.I would like to get as much precision as p...

JJoao.1 · 2024-04-22

Hi everybody, After several attempts, I cannot correctly declare my variables in the files. I'm a little lost with file declarations to reach certain variables delcared elsewhereThis is why I decided to come and ask for help. I 'm actually work on a ...

JJoao.1 · 2024-09-22

Thank for your answer TDK,But in fact the pin change state so quickly.I don't know why i can't put a HAL_Delay() in the interrupt ! I try to wake up by standby mode, and I need to determinate wich pin wake up the STM32 and in which sens ( up to down ...

JJoao.1 · 2024-04-22

Thank you s omuch for your answwers !I think I succeeded!I redid the configuration as in the link sent by Andrew Neil.I had to create a .c and a .h fileIn the .h i declared extern variablein my .c file I write my font normaly.And in my Main.c I inclu...

JJoao.1 · 2024-04-22

Thank you for the reply AScha.3 ,I created them and not imported themI wonder if I should create a font.c instead of font.h

JJoao.1 · 2024-04-12

Thank you so much for your reactivity. I can continue my learning and my code Best regards

JJoao.1 · 2024-04-12

Okay thank you so much. That works !which is the best solution of the two castsolution1void st7567_write_cmd(uint8_t cmd) { HAL_GPIO_WritePin(A0_GPIO_Port, A0_Pin, 0); HAL_SPI_Transmit(&hspi1, (uint8_t*)&cmd, 1, 10); } Or solution 2void st7567_writ...

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transform the function HAL_GetTick() in a 64bit

External interrupt and button debounce

Warning on passing argument

STM32L0 for smart watch

Join a font in a main.C

Re: External interupt

Re: Join a font in a main.C

Re: Join a font in a main.C

Re: How to use SPI in other .c

Re: How to use SPI in other .c