Re: [Paparazzi-devel] modules with UART

[Gautier Hattenberger]

Hi,

The uart is usually used with the datalink system, barely never 
directly. But it is possible. You need to include mcu_perpih/uart.h, add 
the compilation flag USE_UARTX to tell which uart you want to use, and 
then you can use the macros UARTXxxxxx().
You normally don't need to do the init, but you might need to change the 
baudrate.
Then you have
UARTXCheckFreeSpace(_x) to check if you have enough space in the buffer 
before sending.
UARTXTransmit(_c) to send a byte.
UARTXChAvailable() to check if you have new bytes in the reception buffer.
UARTXGetch() to retrieve the next byte.

Gautier

Le 18/07/2014 10:40, Jimmy a écrit :
> Hello everybody,
> I want to add a new modules which will link with UART,but I found there are
> many modules linking with I2c,ADC(such as Airspeed,Infrared,AOA...).I also
> found the GPS linking with UART,but it's too complex and it's difficult to
> find a reference(such as .c file .h file and the .xml file).
>
> If threre is anyone have studied this before,and would you mind give me some
> suggestion?
>
> Any help would be greatly appreciated.
>
>
>
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