79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
/**************************************************************************/
|
|
/*!
|
|
@file uart.h
|
|
@author K. Townsend (microBuilder.eu)
|
|
@date 22 March 2010
|
|
@version 0.10
|
|
|
|
@section LICENSE
|
|
|
|
Software License Agreement (BSD License)
|
|
|
|
Copyright (c) 2010, microBuilder SARL
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. 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.
|
|
3. Neither the name of the copyright holders nor the
|
|
names of its contributors may be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''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 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 __UART_H__
|
|
#define __UART_H__
|
|
|
|
#include "projectconfig.h"
|
|
|
|
// Buffer used for circular fifo
|
|
typedef struct _uart_buffer_t
|
|
{
|
|
uint8_t ep_dir;
|
|
volatile uint8_t len;
|
|
volatile uint8_t wr_ptr;
|
|
volatile uint8_t rd_ptr;
|
|
uint8_t buf[CFG_UART_BUFSIZE];
|
|
} uart_buffer_t;
|
|
|
|
// UART Protocol control block
|
|
typedef struct _uart_pcb_t
|
|
{
|
|
BOOL initialised;
|
|
uint32_t baudrate;
|
|
uint32_t status;
|
|
uint32_t pending_tx_data;
|
|
uart_buffer_t rxfifo;
|
|
} uart_pcb_t;
|
|
|
|
void UART_IRQHandler(void);
|
|
uart_pcb_t *uartGetPCB();
|
|
void uartInit(uint32_t Baudrate);
|
|
void uartSend(uint8_t *BufferPtr, uint32_t Length);
|
|
void uartSendByte (uint8_t byte);
|
|
|
|
// Rx Buffer access control
|
|
void uartRxBufferInit();
|
|
uint8_t uartRxBufferRead();
|
|
void uartRxBufferWrite(uint8_t data);
|
|
void uartRxBufferClearFIFO();
|
|
uint8_t uartRxBufferDataPending();
|
|
bool uartRxBufferReadArray(byte_t* rx, size_t* len);
|
|
|
|
#endif
|