audio_playback_and_record example add uart2hello everyone.
this week i start to dev in stm32f4discovery
install cubeMX and get examples STM32Cube_FW_F4_v1.6.0
edditing audio_playback_and_record example
and add uart interface
at this point i want to add an uart to send the "song" name to be played
i added the library stm32f4xx_hal_usart.c and stm32f4xx_hal_uart.c and header files(in any case )
and when i try to build it generate the error
"STM32F4-DISCO\STM32F4-DISCO.axf: Error: L6218E: Undefined symbol HAL_UART_Init (referred from main.o)."
because of the line 677 - see print atach
there is any point i'm missing?
i'm block at this, so i'll apreciate any help =)
there is a link to the project
thanks in advance
grettings from Portugal