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54 lines
2.1 KiB
C
54 lines
2.1 KiB
C
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/**
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******************************************************************************
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*
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* @file pios_usart.h
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2009.
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* @brief USART functions header.
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef PIOS_USART_H
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#define PIOS_USART_H
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/* Global Types */
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typedef enum {GPS = 0, TELEM = 1, AUX = 2} USARTNumTypeDef;
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/* Public Functions */
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extern void USARTInit(void);
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extern void USARTEnableAux(void);
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extern void USARTDisableAux(void);
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extern void USARTChangeBaud(USART_TypeDef* USARTx, uint32_t Baud);
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extern int USARTRxBufferFree(USARTNumTypeDef uart);
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extern int USARTRxBufferUsed(USARTNumTypeDef uart);
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extern int USARTRxBufferGet(USARTNumTypeDef uart);
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extern int USARTRxBufferPeek(USARTNumTypeDef uart);
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extern int USARTRxBufferPut(USARTNumTypeDef uart, uint8_t b);
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extern int USARTTxBufferFree(USARTNumTypeDef uart);
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extern int USARTTxBufferGet(USARTNumTypeDef uart);
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extern int USARTTxBufferPutMoreNonBlocking(USARTNumTypeDef uart, uint8_t *buffer, uint16_t len);
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extern int USARTTxBufferPutMore(USARTNumTypeDef uart, uint8_t *buffer, uint16_t len);
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extern int USARTTxBufferPutNonBlocking(uint8_t uart, uint8_t b);
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extern int USARTTxBufferPut(USARTNumTypeDef uart, uint8_t b);
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#endif /* PIOS_USART_H */
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