Class to drive the QSPI external memory (N25Q128A device) present on DISCO_F746NG board.
Dependents: F746_Fourier_series_of_square_wave_01 F746_AudioOutQSPI DISCO-F746-Dessiccateur-V1 DISCO-F746NG_Monttory_Base ... more
QSPI_DISCO_F746NG.h
- Committer:
- bcostm
- Date:
- 2016-01-04
- Revision:
- 0:be9d625054cd
File content as of revision 0:be9d625054cd:
/* 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: #include "mbed.h" #include "QSPI_DISCO_F746NG.h" QSPI_DISCO_F746NG qspi; #define BUFFER_SIZE ((uint32_t)32) #define WRITE_READ_ADDR ((uint32_t)0x0050) int main() { uint8_t WriteBuffer[BUFFER_SIZE] = "Hello World"; uint8_t ReadBuffer[BUFFER_SIZE]; qspi.Init(); // Erase memory qspi.Erase_Block(WRITE_READ_ADDR); // Write memory qspi.Write(WriteBuffer, WRITE_READ_ADDR, 11); // Read memory qspi.Read(ReadBuffer, WRITE_READ_ADDR, 11); ReadBuffer[11] = '\0'; printf("Buffer read [%s]\n", ReadBuffer); } */ 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 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); private: }; #else #error "This class must be used with DISCO_F746NG board only." #endif // TARGET_DISCO_F746NG #endif