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taoybb · 2023-09-12

Hello, I got a problem on 'HAL_UART_Transmit' function. I wrote a simple line to create and define unsigned char of 10 then send it through 'HAL_UART_Transmit' on different .c file.unsigned char A[10] = { ...... 10 value ......};HAL_UART_Transmit(&hu...

taoybb · 2023-09-13

Here is unsigned array to print out thought UART and size to print.And here is huart1 data

taoybb · 2023-09-13

Hi TDK, after I tried everything and found out that if I turn 'Optimization Option' from 0 to 1 then it worked. But btw, may you give me a clue which one I should look in 'huart1' ? I would like to know what is really a root cause of this.

taoybb · 2023-09-12

Hello, thank you for reply.Here is main.c #include "main.h" #include "dma.h" #include "tim.h" #include "usart.h" #include "gpio.h" #include "includeall.h" StrSystemData SystemData = {0}; TypedefArray100 CentralCardData = {0}; UART_BUFFER Uart1 = {0}...

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Using HAL_UART_Transmit outside main.c cause hardfault

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Re: Using HAL_UART_Transmit outside main.c cause hardfault