/** ****************************************************************************** * @addtogroup PIOS PIOS Core hardware abstraction layer * @{ * @addtogroup PIOS_SPI SPI Functions * @brief PIOS interface to read and write from SPI ports * @{ * * @file pios_spi_priv.h * @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010. * Parts by Thorsten Klose (tk@midibox.org) * @brief SPI private definitions. * @see The GNU Public License (GPL) Version 3 * *****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef PIOS_SPI_PRIV_H #define PIOS_SPI_PRIV_H #include #include /* XXX these two should be reconciled - separate for now to avoid breaking other targets */ #if defined(STM32F2XX) || defined(STM32F4XX) struct pios_spi_cfg { SPI_TypeDef *regs; uint32_t remap; /* GPIO_Remap_* or GPIO_AF_* */ SPI_InitTypeDef init; bool use_crc; struct stm32_dma dma; struct stm32_gpio sclk; struct stm32_gpio miso; struct stm32_gpio mosi; uint32_t slave_count; struct stm32_gpio ssel[]; }; #else struct pios_spi_cfg { SPI_TypeDef *regs; SPI_InitTypeDef init; bool use_crc; struct stm32_dma dma; struct stm32_gpio ssel; struct stm32_gpio sclk; struct stm32_gpio miso; struct stm32_gpio mosi; }; #endif struct pios_spi_dev { const struct pios_spi_cfg * cfg; void (*callback) (uint8_t, uint8_t); uint8_t tx_dummy_byte; uint8_t rx_dummy_byte; #if defined(PIOS_INCLUDE_FREERTOS) xSemaphoreHandle busy; #else uint8_t busy; #endif }; extern int32_t PIOS_SPI_Init(uint32_t * spi_id, const struct pios_spi_cfg * cfg); #endif /* PIOS_SPI_PRIV_H */ /** * @} * @} */