diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/atsam/libraries/libchip/include/uart_dma.h')
| -rw-r--r-- | c/src/lib/libbsp/arm/atsam/libraries/libchip/include/uart_dma.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/c/src/lib/libbsp/arm/atsam/libraries/libchip/include/uart_dma.h b/c/src/lib/libbsp/arm/atsam/libraries/libchip/include/uart_dma.h deleted file mode 100644 index 8329b6b930..0000000000 --- a/c/src/lib/libbsp/arm/atsam/libraries/libchip/include/uart_dma.h +++ /dev/null @@ -1,137 +0,0 @@ -/* ---------------------------------------------------------------------------- */ -/* Atmel Microcontroller Software Support */ -/* SAM Software Package License */ -/* ---------------------------------------------------------------------------- */ -/* Copyright (c) 2015, Atmel Corporation */ -/* */ -/* All rights reserved. */ -/* */ -/* Redistribution and use in source and binary forms, with or without */ -/* modification, are permitted provided that the following condition is met: */ -/* */ -/* - Redistributions of source code must retain the above copyright notice, */ -/* this list of conditions and the disclaimer below. */ -/* */ -/* Atmel's name may not be used to endorse or promote products derived from */ -/* this software without specific prior written permission. */ -/* */ -/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ -/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ -/* DISCLAIMED. IN NO EVENT SHALL ATMEL 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. */ -/* ---------------------------------------------------------------------------- */ - -/** - * \file - * - * Implementation of UART driver, transfer data through DMA. - * - */ - -#ifndef _UART_DMA_ -#define _UART_DMA_ - -/*---------------------------------------------------------------------------- - * Headers - *----------------------------------------------------------------------------*/ - -#include "chip.h" - -/*---------------------------------------------------------------------------- - * Definitions - *----------------------------------------------------------------------------*/ - -/** An unspecified error has occurred.*/ -#define UARTD_ERROR 1 - -/** UART driver is currently in use.*/ -#define UARTD_ERROR_LOCK 2 - - -#ifdef __cplusplus -extern "C" { -#endif - -/*---------------------------------------------------------------------------- - * Types - *----------------------------------------------------------------------------*/ - -/** UART transfer complete callback. */ -typedef void (*UartdCallback)(uint8_t, void *); - -/** \brief usart Transfer Request prepared by the application upper layer. - * - * This structure is sent to the UART_Send or UART_Rcv to start the transfer. - * At the end of the transfer, the callback is invoked by the interrupt handler. - */ -typedef struct { - /** Pointer to the Buffer. */ - uint8_t *pBuff; - /** Buff size in bytes. */ - uint32_t BuffSize; - /** Dma channel num. */ - uint32_t ChNum; - /** Callback function invoked at the end of transfer. */ - UartdCallback callback; - /** Callback arguments. */ - void *pArgument; - /** flag to indicate the current transfer. */ - volatile uint8_t sempaphore; - /* DMA LLI structure */ - LinkedListDescriporView1 *pLLIview; - /* DMA transfer type */ - eXdmadProgState dmaProgrammingMode; - /* DMA LLI size */ - uint16_t dmaBlockSize; - /* Flag using ring buffer or FiFo*/ - uint8_t dmaRingBuffer; -} UartChannel; - -/** Constant structure associated with UART port. This structure prevents - client applications to have access in the same time. */ -typedef struct { - /** USART Id as defined in the product datasheet */ - uint8_t uartId; - /** Pointer to DMA driver */ - sXdmad *pXdmad; - /** Pointer to UART Hardware registers */ - Uart *pUartHw; - /** Current Uart Rx channel */ - UartChannel *pRxChannel; - /** Current Uart Tx channel */ - UartChannel *pTxChannel; -} UartDma; - -/*---------------------------------------------------------------------------- - * Exported functions - *----------------------------------------------------------------------------*/ - -uint32_t UARTD_Configure(UartDma *pUartd , - uint8_t uartId, - uint32_t uartMode, - uint32_t baud, - uint32_t clk); - -uint32_t UARTD_EnableTxChannels(UartDma *pUartd, UartChannel *pTxCh); - -uint32_t UARTD_EnableRxChannels(UartDma *pUartd, UartChannel *pRxCh); - -uint32_t UARTD_DisableTxChannels(UartDma *pUartd, UartChannel *pTxCh); - -uint32_t UARTD_DisableRxChannels(UartDma *pUartd, UartChannel *pRxCh); - -uint32_t UARTD_SendData(UartDma *pUartd); - -uint32_t UARTD_RcvData(UartDma *pUartd); - -#ifdef __cplusplus -} -#endif - -#endif /* #ifndef _UART_DMA_ */ |