Yeah, that's actually one of the things I had tried as well but it didn't seem to work for me either, oddly enough (had seen it in someone else's example project).
Here's what I tried:
uint8_t temp_Char = 0x01;
HAL_UART_Receive_IT(&hlpuart1, &temp_Char, 1);
int main(void)
{
while(1)
{
HAL_UART_Transmit(&hlpuart1, &TX1_Char, sizeof(TX1_Char), 100);
//HAL_UART_Receive_IT(&hlpuart1, &RX1_Char, 1);
RX1_Char = 0;
HAL_Delay(100);
}
}
void HAL_USART_RxCpltCallback(UART_HandleTypeDef *huart)
{
HAL_UART_Receive_IT(&hlpuart1, &RX1_Char, 1);
}Even tried uncommenting that line just to jumpstart it but no luck. Still won't call the callback function. It does look a bit funny how it's implemented above (with the temp character) but that mainly has to do with me having the structure setup so that the whole main loop is actually being called repeatedly from the main file but the functionality is in another file (hence the tempvar rather than using the same one). This was to avoid me accidentally wiping everything if I did something stupid with the code placement and wiping it when updating the *.ioc file (which, I'll admit, i did once in a previous project).
That said, I did put a breakpoint in the callback function here as well as the weak one it's replacing in the Hal Uart file:
__weak void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(huart);
/* NOTE : This function should not be modified, when the callback is needed,
the HAL_UART_RxCpltCallback can be implemented in the user file.
*/
}It didn't make it to that unused portion as well. Based on this, all signs seem to suggest there's an issue with setting up the NVIC for the UART, right? Not sure what else it might be if it's not opening up either of these. There aren't really too many settings to setup though so I'm a bit confused as to why that might've caused the issue . . .
Thanks for the help!
