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audio_playback_and_record example add uart2

Question asked by dantas.dan on Jun 26, 2015
Latest reply on Jun 27, 2015 by dantas.dan
audio_playback_and_record example add uart2
hello 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

1)
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
https://www.dropbox.com/sh/yfdixj9nnmo7q4u/AACFoq5s_Gqy8vbY8VISjb98a?dl=0



thanks in advance
grettings from Portugal

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