mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-11-07 03:01:35 +08:00
167 lines
5.7 KiB
C
167 lines
5.7 KiB
C
/****************************************************************************
|
|
* arch/arm/src/stm32h7/stm32_qspi.h
|
|
*
|
|
* Copyright (C) 2016, 2019 Gregory Nutt. All rights reserved.
|
|
* Author: dev@ziggurat29.com
|
|
*
|
|
* 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 NuttX 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 AND CONTRIBUTORS
|
|
* "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 OWNER OR CONTRIBUTORS 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 __ARCH_ARM_SRC_STM32_STM32H7_QSPI_H
|
|
#define __ARCH_ARM_SRC_STM32_STM32H7_QSPI_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
#include <nuttx/spi/qspi.h>
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#include "chip.h"
|
|
|
|
#ifdef CONFIG_STM32H7_QUADSPI
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Inline Functions
|
|
****************************************************************************/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
#define EXTERN extern "C"
|
|
extern "C"
|
|
{
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
#define CONFIG_STM32H7_QUADSPI_USE_RAMFUNC
|
|
|
|
#ifdef CONFIG_STM32H7_QUADSPI_USE_RAMFUNC
|
|
#define QUADSPI_RAMFUNC __ramfunc__
|
|
#else
|
|
#define QUADSPI_RAMFUNC
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
/* QSPI methods */
|
|
|
|
QUADSPI_RAMFUNC int qspi_lock(struct qspi_dev_s *dev, bool lock);
|
|
QUADSPI_RAMFUNC uint32_t qspi_setfrequency(struct qspi_dev_s *dev,
|
|
uint32_t frequency);
|
|
QUADSPI_RAMFUNC void qspi_setmode(struct qspi_dev_s *dev, enum qspi_mode_e mode);
|
|
QUADSPI_RAMFUNC void qspi_setbits(struct qspi_dev_s *dev, int nbits);
|
|
QUADSPI_RAMFUNC int qspi_command(struct qspi_dev_s *dev,
|
|
struct qspi_cmdinfo_s *cmdinfo);
|
|
QUADSPI_RAMFUNC int qspi_memory(struct qspi_dev_s *dev,
|
|
struct qspi_meminfo_s *meminfo);
|
|
QUADSPI_RAMFUNC FAR void *qspi_alloc(FAR struct qspi_dev_s *dev, size_t buflen);
|
|
QUADSPI_RAMFUNC void qspi_free(FAR struct qspi_dev_s *dev, FAR void *buffer);
|
|
|
|
/****************************************************************************
|
|
* Name: stm32l4_qspi_initialize
|
|
*
|
|
* Description:
|
|
* Initialize the selected QSPI port in master mode
|
|
*
|
|
* Input Parameters:
|
|
* intf - Interface number(must be zero)
|
|
*
|
|
* Returned Value:
|
|
* Valid SPI device structure reference on success; a NULL on failure
|
|
*
|
|
****************************************************************************/
|
|
|
|
struct qspi_dev_s;
|
|
FAR struct qspi_dev_s *stm32h7_qspi_initialize(int intf);
|
|
|
|
/****************************************************************************
|
|
* Name: stm32l4_qspi_enter_memorymapped
|
|
*
|
|
* Description:
|
|
* Put the QSPI device into memory mapped mode
|
|
*
|
|
* Input Parameters:
|
|
* dev - QSPI device
|
|
* meminfo - parameters like for a memory transfer used for reading
|
|
* lpto - number of cycles to wait to automatically de-assert CS
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
****************************************************************************/
|
|
|
|
QUADSPI_RAMFUNC void stm32h7_qspi_enter_memorymapped(struct qspi_dev_s *dev,
|
|
const struct qspi_meminfo_s *meminfo,
|
|
uint32_t lpto);
|
|
|
|
/****************************************************************************
|
|
* Name: stm32l4_qspi_exit_memorymapped
|
|
*
|
|
* Description:
|
|
* Take the QSPI device out of memory mapped mode
|
|
*
|
|
* Input Parameters:
|
|
* dev - QSPI device
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
****************************************************************************/
|
|
|
|
QUADSPI_RAMFUNC void stm32h7_qspi_exit_memorymapped(struct qspi_dev_s *dev);
|
|
|
|
#undef EXTERN
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
#endif /* CONFIG_STM32H7_QSPI */
|
|
#endif /* __ARCH_ARM_SRC_STM32_STM32H7_QSPI_H */
|