diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/atsam/libraries/libchip/source/xdma_hardware_interface.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/atsam/libraries/libchip/source/xdma_hardware_interface.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/xdma_hardware_interface.c b/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/xdma_hardware_interface.c deleted file mode 100644 index f1e5b114af..0000000000 --- a/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/xdma_hardware_interface.c +++ /dev/null @@ -1,158 +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. */ -/* ---------------------------------------------------------------------------- */ - -/** \addtogroup dmad_module - * - * \section DmaHw Dma Hardware Interface Usage - * <ul> - * <li> The DMA controller can handle the transfer between peripherals and memory - * and so receives the triggers from the peripherals. The hardware interface - * number are getting from DMAIF_Get_ChannelNumber().</li> - - * <li> DMAIF_IsValidatedPeripherOnDma() helps to check if the given DMAC has - * associated peripheral identifier coded by the given peripheral.</li> - * - * </ul> - */ -/*@{*/ -/*@}*/ - -/** \file */ -/*---------------------------------------------------------------------------- - * Headers - *----------------------------------------------------------------------------*/ -#include "chip.h" - -/*---------------------------------------------------------------------------- - * Local variables - *----------------------------------------------------------------------------*/ -/** Array of DMA Channel definition for SAMv7 chip*/ -static const XdmaHardwareInterface xdmaHwIf[] = { - /* xdmac, peripheral, T/R, HW interface number*/ - {0, ID_HSMCI, 0, 0}, - {0, ID_HSMCI, 1, 0}, - {0, ID_SPI0, 0, 1}, - {0, ID_SPI0, 1, 2}, - {0, ID_SPI1, 0, 3}, - {0, ID_SPI1, 1, 4}, - {0, ID_QSPI, 0, 5}, - {0, ID_QSPI, 1, 6}, - {0, ID_USART0, 0, 7}, - {0, ID_USART0, 1, 8}, - {0, ID_USART1, 0, 9}, - {0, ID_USART1, 1, 10}, - {0, ID_USART2, 0, 11}, - {0, ID_USART2, 1, 12}, - {0, ID_PWM0, 0, 13}, - {0, ID_TWIHS0, 0, 14}, - {0, ID_TWIHS0, 1, 15}, - {0, ID_TWIHS1, 0, 16}, - {0, ID_TWIHS1, 1, 17}, - {0, ID_TWIHS2, 0, 18}, - {0, ID_TWIHS2, 1, 19}, - {0, ID_UART0, 0, 20}, - {0, ID_UART0, 1, 21}, - {0, ID_UART1, 0, 22}, - {0, ID_UART1, 1, 23}, - {0, ID_UART2, 0, 24}, - {0, ID_UART2, 1, 25}, - {0, ID_UART3, 0, 26}, - {0, ID_UART3, 1, 27}, - {0, ID_UART4, 0, 28}, - {0, ID_UART4, 1, 29}, - {0, ID_DACC, 0, 30}, - {0, ID_DACC, 0, 31}, - {0, ID_SSC, 0, 32}, - {0, ID_SSC, 1, 33}, - {0, ID_PIOA, 1, 34}, - {0, ID_AFEC0, 1, 35}, - {0, ID_AFEC1, 1, 36}, - {0, ID_AES, 0, 37}, - {0, ID_AES, 1, 38}, - {0, ID_PWM1, 0, 39}, - {0, ID_TC0, 1, 40}, - {0, ID_TC1, 1, 41}, - {0, ID_TC2, 1, 42}, - {0, ID_TC3, 1, 43}, -}; - - -/*---------------------------------------------------------------------------- - * Exported functions - *----------------------------------------------------------------------------*/ - -/** - * \brief Get peripheral identifier coded for hardware handshaking interface - * - * \param bDmac DMA Controller number. - * \param bPeriphID Peripheral ID. - * \param bTransfer Transfer type 0: Tx, 1 :Rx. - * \return 0-15 peripheral identifier coded. - * 0xff : no associated peripheral identifier coded. - */ -uint8_t XDMAIF_Get_ChannelNumber (uint8_t bPeriphID, - uint8_t bTransfer) -{ - uint8_t i; - uint8_t NumOfPeripheral = ((XDMAC_GetType(XDMAC) & 0x00FF0000) >> 16); - - for (i = 0; i <= NumOfPeripheral; i++) { - if ((xdmaHwIf[i].bPeriphID == bPeriphID) && - (xdmaHwIf[i].bTransfer == bTransfer)) - return xdmaHwIf[i].bIfID; - } - - return 0xff; -} - -/** - * \brief Check if the given DMAC has associated peripheral identifier coded by - * the given peripheral. - * - * \param bDmac DMA Controller number. - * \param bPeriphID Peripheral ID (0xff : memory only). - * \return 1: Is a validated peripheral. 0: no associated peripheral identifier - * coded. - */ -uint8_t XDMAIF_IsValidatedPeripherOnDma(uint8_t bPeriphID) -{ - uint8_t i; - uint8_t NumOfPeripheral = ((XDMAC_GetType(XDMAC) & 0x00FF0000) >> 16); - - /* It is always validated when transfer to memory */ - if (bPeriphID == 0xFF) - return 1; - - for (i = 0; i <= NumOfPeripheral; i++) { - if ((xdmaHwIf[i].bPeriphID == bPeriphID)) - return 1; - } - - return 0; -} |