mirror of
https://bitbucket.org/librepilot/librepilot.git
synced 2024-12-05 13:24:11 +01:00
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/**
|
|
******************************************************************************
|
|
* @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.
|
|
* @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 <pios.h>
|
|
#include <pios_stm32.h>
|
|
|
|
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[];
|
|
};
|
|
|
|
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 */
|
|
|
|
/**
|
|
* @}
|
|
* @}
|
|
*/
|