Created
November 9, 2023 16:11
-
-
Save DanGdl/33eb4f981c6a21663f59a544503b52bc to your computer and use it in GitHub Desktop.
receive from console
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
void get_console_message(char* const buffer, unsigned int len_max) { | |
uint32_t count_symbols = 0; | |
printf("Please enter a message (max size 1024 symbols):\r\n"); | |
while (1) { | |
uint8_t c; | |
HAL_StatusTypeDef status = HAL_UART_Receive(&huart3, &c, 1, HAL_MAX_DELAY); | |
if (c == '\r') { | |
HAL_UART_Transmit(&huart3, &c, 1, HAL_MAX_DELAY); | |
c = '\n'; | |
HAL_UART_Transmit(&huart3, &c, 1, HAL_MAX_DELAY); | |
break; | |
} else { | |
HAL_UART_Transmit(&huart3, &c, 1, HAL_MAX_DELAY); | |
} | |
if (status == HAL_OK) { | |
buffer[count_symbols] = c; | |
count_symbols++; | |
if (count_symbols == (len_max - 1)) { | |
buffer[len_max] = '\0'; | |
break; | |
} | |
} | |
else { | |
printf("Failed to receive data via UART3: %d, error 0x%"PRIX32"\r\n", status, HAL_UART_GetError(&huart3)); | |
} | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment