Implementation of the QSPI-Flash driver for the DISCO-STM32F746NG board. Allows usage of the MICRON 128Mb Quad-SPI Flash memory present on the board. Ported from library QSPI_DISCO_L476VG from ST.
Revision 0:f391cd8f34c1, committed 2015-11-15
- Comitter:
- capsavon
- Date:
- Sun Nov 15 14:29:29 2015 +0000
- Commit message:
- Corrected QSPI implementation.; Pins alternate function corrected (AF10 -> AF9).; Prescaler value corrected (0 -> 3).
Changed in this revision
QSPI_DISCO_F746NG.cpp | Show annotated file Show diff for this revision Revisions of this file |
QSPI_DISCO_F746NG.h | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r f391cd8f34c1 QSPI_DISCO_F746NG.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/QSPI_DISCO_F746NG.cpp Sun Nov 15 14:29:29 2015 +0000 @@ -0,0 +1,99 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include "QSPI_DISCO_F746NG.h" + +// Constructor +QSPI_DISCO_F746NG::QSPI_DISCO_F746NG() +{ + BSP_QSPI_Init(); +} + +// Destructor +QSPI_DISCO_F746NG::~QSPI_DISCO_F746NG() +{ + BSP_QSPI_DeInit(); +} + +//================================================================================================================= +// Public methods +//================================================================================================================= + +uint8_t QSPI_DISCO_F746NG::Init(void) +{ + return BSP_QSPI_Init(); +} + +uint8_t QSPI_DISCO_F746NG::DeInit(void) +{ + return BSP_QSPI_DeInit(); +} + +uint8_t QSPI_DISCO_F746NG::Read(uint8_t* pData, uint32_t ReadAddr, uint32_t Size) +{ + return BSP_QSPI_Read(pData, ReadAddr, Size); +} + +uint8_t QSPI_DISCO_F746NG::Write(uint8_t* pData, uint32_t WriteAddr, uint32_t Size) +{ + return BSP_QSPI_Write(pData, WriteAddr, Size); +} + +uint8_t QSPI_DISCO_F746NG::Erase_Block(uint32_t BlockAddress) +{ + return BSP_QSPI_Erase_Block(BlockAddress); +} + +uint8_t QSPI_DISCO_F746NG::Erase_Sector(uint32_t Sector) +{ + return BSP_QSPI_Erase_Sector(Sector); +} + +uint8_t QSPI_DISCO_F746NG::Erase_Chip(void) +{ + return BSP_QSPI_Erase_Chip(); +} + +uint8_t QSPI_DISCO_F746NG::GetStatus(void) +{ + return BSP_QSPI_GetStatus(); +} + +uint8_t QSPI_DISCO_F746NG::GetInfo(QSPI_Info* pInfo) +{ + return BSP_QSPI_GetInfo(pInfo); +} + +uint8_t QSPI_DISCO_F746NG::EnableMemoryMappedMode(void) +{ + return BSP_QSPI_EnableMemoryMappedMode(); +} + +uint8_t QSPI_DISCO_F746NG::SuspendErase(void) +{ + return BSP_QSPI_SuspendErase(); +} + +uint8_t QSPI_DISCO_F746NG::ResumeErase(void) +{ + return BSP_QSPI_ResumeErase(); +} + +//================================================================================================================= +// Private methods +//=================================================================================================================
diff -r 000000000000 -r f391cd8f34c1 QSPI_DISCO_F746NG.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/QSPI_DISCO_F746NG.h Sun Nov 15 14:29:29 2015 +0000 @@ -0,0 +1,138 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef __QSPI_DISCO_F746NG_H +#define __QSPI_DISCO_F746NG_H + +#ifdef TARGET_DISCO_F746NG + +#include "mbed.h" +#include "stm32746g_discovery_qspi.h" + +/* + Class to drive the QSPI external memory (N25Q128A device) + present on DISCO_F746NG board. + + Usage: + +*/ +class QSPI_DISCO_F746NG +{ + +public: + //! Constructor + QSPI_DISCO_F746NG(); + + //! Destructor + ~QSPI_DISCO_F746NG(); + + /** + * @brief Initializes the QSPI interface. + * @retval QSPI memory status + */ + uint8_t Init(void); + + /** + * @brief De-Initializes the QSPI interface. + * @retval QSPI memory status + */ + uint8_t DeInit(void); + + /** + * @brief Reads an amount of data from the QSPI memory. + * @param pData: Pointer to data to be read + * @param ReadAddr: Read start address + * @param Size: Size of data to read + * @retval QSPI memory status + */ + uint8_t Read(uint8_t* pData, uint32_t ReadAddr, uint32_t Size); + + /** + * @brief Writes an amount of data to the QSPI memory. + * @param pData: Pointer to data to be written + * @param WriteAddr: Write start address + * @param Size: Size of data to write + * @retval QSPI memory status + */ + uint8_t Write(uint8_t* pData, uint32_t WriteAddr, uint32_t Size); + + /** + * @brief Erases the specified block of the QSPI memory. + * @param BlockAddress: Block address to erase + * @retval QSPI memory status + */ + uint8_t Erase_Block(uint32_t BlockAddress); + + /** + * @brief Erases the specified sector of the QSPI memory. + * @param Sector: Sector address to erase (0 to 255); + * @retval QSPI memory status + * @note This function is non blocking meaning that sector erase + * operation is started but not completed when the function + * returns. Application has to call GetStatus(); + * to know when the device is available again (i.e. erase operation + * completed);. + */ + uint8_t Erase_Sector(uint32_t Sector); + + /** + * @brief Erases the entire QSPI memory. + * @retval QSPI memory status + */ + uint8_t Erase_Chip(void); + + /** + * @brief Reads current status of the QSPI memory. + * @retval QSPI memory status + */ + uint8_t GetStatus(void); + + /** + * @brief Return the configuration of the QSPI memory. + * @param pInfo: pointer on the configuration structure + * @retval QSPI memory status + */ + uint8_t GetInfo(QSPI_Info* pInfo); + + /** + * @brief Configure the QSPI in memory-mapped mode + * @retval QSPI memory status + */ + uint8_t EnableMemoryMappedMode(void); + + /** + * @brief This function suspends an ongoing erase command. + * @retval QSPI memory status + */ + uint8_t SuspendErase(void); + + /** + * @brief This function resumes a paused erase command. + * @retval QSPI memory status + */ + uint8_t ResumeErase(void); + +private: + +}; + +#else +#error "This class must be used with DISCO_F746NG board only." +#endif // TARGET_DISCO_F746NG + +#endif