rt-thread/bsp/lpc54114-lite/Libraries/devices/LPC54114/utilities/io/fsl_io.h

141 lines
4.1 KiB
C

/*
* The Clear BSD License
* Copyright 2017 NXP
* All rights reserved.
*
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted (subject to the limitations in the disclaimer below) provided
* that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef _FSL_IO_H
#define _FSL_IO_H
#include "fsl_common.h"
/*!
* @addtogroup debugconsole
* @{
*/
/*******************************************************************************
* Definitions
******************************************************************************/
/*! @brief define a notify callback for IO
* @param size , transfer data size.
* @param rx, indicate a rx transfer is success.
* @param tx, indicate a tx transfer is success.
*/
typedef void (*notify)(size_t *size, bool rx, bool tx);
/*! @brief State structure storing io. */
typedef struct io_State
{
void *ioBase; /*!< Base of the IP register. */
uint8_t ioType; /*!< device type */
#ifdef DEBUG_CONSOLE_TRANSFER_NON_BLOCKING
notify callBack; /*!< define the callback function for buffer */
#endif
} io_state_t;
/*******************************************************************************
* Prototypes
******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif /* __cplusplus */
/*!
* @brief io init function.
*
* Call this function to init IO.
*
* @param io configuration pointer
* @param baudRate baud rate
* @param clkSrcFreq clock freq
* @param ringbuffer used to receive character
*/
void IO_Init(io_state_t *io, uint32_t baudRate, uint32_t clkSrcFreq, uint8_t *ringBuffer);
/*!
* @brief Deinit IO.
*
* Call this function to Deinit IO.
*
* @return deinit status
*/
status_t IO_Deinit(void);
/*!
* @brief io transfer function.
*
* Call this function to transfer log.
* Print log:
* @code
* IO_Transfer(ch, size, true);
* @endcode
* Scanf log:
* @code
* IO_Transfer(ch, size, false);
* @endcode
*
* @param ch transfer buffer pointer
* @param size transfer size
* @param tx indicate the transfer is TX or RX
*/
status_t IO_Transfer(uint8_t *ch, size_t size, bool tx);
/*!
* @brief io wait idle.
*
* Call this function to wait the io idle
*
* @return Indicates whether wait idle was successful or not.
*/
status_t IO_WaitIdle(void);
#ifdef DEBUG_CONSOLE_TRANSFER_NON_BLOCKING
/*!
* @brief io try to receive one character.
*
* Call this function try to receive character
* @param ch the address of char to receive
* @return Indicates try getchar was successful or not.
*/
status_t IO_TryReceiveCharacter(uint8_t *ch);
#endif
#if defined(__cplusplus)
}
#endif /* __cplusplus */
/*! @} */
#endif /* _FSL_IO_H */