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e66c491942
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@276 ebee16cc-31ac-478f-84a7-5cbb03baadba
57 lines
2.4 KiB
C
57 lines
2.4 KiB
C
/**
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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) 2010.
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* Parts by Thorsten Klose (tk@midibox.org)
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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 {USART_1 = 0, USART_2 = 1, USART_3 = 2} USARTNumTypeDef;
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/* Global Variables */
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extern xSemaphoreHandle PIOS_USART1_Buffer;
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extern xSemaphoreHandle PIOS_USART2_Buffer;
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extern xSemaphoreHandle PIOS_USART3_Buffer;
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/* Public Functions */
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extern void PIOS_USART_Init(void);
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extern void PIOS_USART_ChangeBaud(USART_TypeDef* USARTx, uint32_t Baud);
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extern int32_t PIOS_USART_RxBufferFree(USARTNumTypeDef uart);
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extern int32_t PIOS_USART_RxBufferUsed(USARTNumTypeDef uart);
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extern int32_t PIOS_USART_RxBufferGet(USARTNumTypeDef uart);
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extern int32_t PIOS_USART_RxBufferPeek(USARTNumTypeDef uart);
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extern int32_t PIOS_USART_RxBufferPut(USARTNumTypeDef uart, uint8_t b);
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extern int32_t PIOS_USART_TxBufferFree(USARTNumTypeDef uart);
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extern int32_t PIOS_USART_TxBufferGet(USARTNumTypeDef uart);
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extern int32_t PIOS_USART_TxBufferPutMoreNonBlocking(USARTNumTypeDef uart, uint8_t *buffer, uint16_t len);
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extern int32_t PIOS_USART_TxBufferPutMore(USARTNumTypeDef uart, uint8_t *buffer, uint16_t len);
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extern int32_t PIOS_USART_TxBufferPutNonBlocking(uint8_t uart, uint8_t b);
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extern int32_t PIOS_USART_TxBufferPut(USARTNumTypeDef uart, uint8_t b);
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#endif /* PIOS_USART_H */
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