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@0:be9d625054cd, 2016-01-04 (annotated)
- Committer:
- bcostm
- Date:
- Mon Jan 04 15:19:45 2016 +0000
- Revision:
- 0:be9d625054cd
First version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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bcostm | 0:be9d625054cd | 1 | /* Copyright (c) 2010-2011 mbed.org, MIT License |
bcostm | 0:be9d625054cd | 2 | * |
bcostm | 0:be9d625054cd | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
bcostm | 0:be9d625054cd | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
bcostm | 0:be9d625054cd | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
bcostm | 0:be9d625054cd | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
bcostm | 0:be9d625054cd | 7 | * Software is furnished to do so, subject to the following conditions: |
bcostm | 0:be9d625054cd | 8 | * |
bcostm | 0:be9d625054cd | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
bcostm | 0:be9d625054cd | 10 | * substantial portions of the Software. |
bcostm | 0:be9d625054cd | 11 | * |
bcostm | 0:be9d625054cd | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
bcostm | 0:be9d625054cd | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
bcostm | 0:be9d625054cd | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
bcostm | 0:be9d625054cd | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
bcostm | 0:be9d625054cd | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
bcostm | 0:be9d625054cd | 17 | */ |
bcostm | 0:be9d625054cd | 18 | |
bcostm | 0:be9d625054cd | 19 | #ifndef __QSPI_DISCO_F746NG_H |
bcostm | 0:be9d625054cd | 20 | #define __QSPI_DISCO_F746NG_H |
bcostm | 0:be9d625054cd | 21 | |
bcostm | 0:be9d625054cd | 22 | #ifdef TARGET_DISCO_F746NG |
bcostm | 0:be9d625054cd | 23 | |
bcostm | 0:be9d625054cd | 24 | #include "mbed.h" |
bcostm | 0:be9d625054cd | 25 | #include "stm32746g_discovery_qspi.h" |
bcostm | 0:be9d625054cd | 26 | |
bcostm | 0:be9d625054cd | 27 | /* |
bcostm | 0:be9d625054cd | 28 | Class to drive the QSPI external memory (N25Q128A device) |
bcostm | 0:be9d625054cd | 29 | present on DISCO_F746NG board. |
bcostm | 0:be9d625054cd | 30 | |
bcostm | 0:be9d625054cd | 31 | Usage: |
bcostm | 0:be9d625054cd | 32 | |
bcostm | 0:be9d625054cd | 33 | #include "mbed.h" |
bcostm | 0:be9d625054cd | 34 | #include "QSPI_DISCO_F746NG.h" |
bcostm | 0:be9d625054cd | 35 | |
bcostm | 0:be9d625054cd | 36 | QSPI_DISCO_F746NG qspi; |
bcostm | 0:be9d625054cd | 37 | |
bcostm | 0:be9d625054cd | 38 | #define BUFFER_SIZE ((uint32_t)32) |
bcostm | 0:be9d625054cd | 39 | #define WRITE_READ_ADDR ((uint32_t)0x0050) |
bcostm | 0:be9d625054cd | 40 | |
bcostm | 0:be9d625054cd | 41 | int main() |
bcostm | 0:be9d625054cd | 42 | { |
bcostm | 0:be9d625054cd | 43 | uint8_t WriteBuffer[BUFFER_SIZE] = "Hello World"; |
bcostm | 0:be9d625054cd | 44 | uint8_t ReadBuffer[BUFFER_SIZE]; |
bcostm | 0:be9d625054cd | 45 | |
bcostm | 0:be9d625054cd | 46 | qspi.Init(); |
bcostm | 0:be9d625054cd | 47 | |
bcostm | 0:be9d625054cd | 48 | // Erase memory |
bcostm | 0:be9d625054cd | 49 | qspi.Erase_Block(WRITE_READ_ADDR); |
bcostm | 0:be9d625054cd | 50 | |
bcostm | 0:be9d625054cd | 51 | // Write memory |
bcostm | 0:be9d625054cd | 52 | qspi.Write(WriteBuffer, WRITE_READ_ADDR, 11); |
bcostm | 0:be9d625054cd | 53 | |
bcostm | 0:be9d625054cd | 54 | // Read memory |
bcostm | 0:be9d625054cd | 55 | qspi.Read(ReadBuffer, WRITE_READ_ADDR, 11); |
bcostm | 0:be9d625054cd | 56 | ReadBuffer[11] = '\0'; |
bcostm | 0:be9d625054cd | 57 | printf("Buffer read [%s]\n", ReadBuffer); |
bcostm | 0:be9d625054cd | 58 | } |
bcostm | 0:be9d625054cd | 59 | |
bcostm | 0:be9d625054cd | 60 | */ |
bcostm | 0:be9d625054cd | 61 | class QSPI_DISCO_F746NG |
bcostm | 0:be9d625054cd | 62 | { |
bcostm | 0:be9d625054cd | 63 | |
bcostm | 0:be9d625054cd | 64 | public: |
bcostm | 0:be9d625054cd | 65 | //! Constructor |
bcostm | 0:be9d625054cd | 66 | QSPI_DISCO_F746NG(); |
bcostm | 0:be9d625054cd | 67 | |
bcostm | 0:be9d625054cd | 68 | //! Destructor |
bcostm | 0:be9d625054cd | 69 | ~QSPI_DISCO_F746NG(); |
bcostm | 0:be9d625054cd | 70 | |
bcostm | 0:be9d625054cd | 71 | /** |
bcostm | 0:be9d625054cd | 72 | * @brief Initializes the QSPI interface. |
bcostm | 0:be9d625054cd | 73 | * @retval QSPI memory status |
bcostm | 0:be9d625054cd | 74 | */ |
bcostm | 0:be9d625054cd | 75 | uint8_t Init(void); |
bcostm | 0:be9d625054cd | 76 | |
bcostm | 0:be9d625054cd | 77 | /** |
bcostm | 0:be9d625054cd | 78 | * @brief De-Initializes the QSPI interface. |
bcostm | 0:be9d625054cd | 79 | * @retval QSPI memory status |
bcostm | 0:be9d625054cd | 80 | */ |
bcostm | 0:be9d625054cd | 81 | uint8_t DeInit(void); |
bcostm | 0:be9d625054cd | 82 | |
bcostm | 0:be9d625054cd | 83 | /** |
bcostm | 0:be9d625054cd | 84 | * @brief Reads an amount of data from the QSPI memory. |
bcostm | 0:be9d625054cd | 85 | * @param pData: Pointer to data to be read |
bcostm | 0:be9d625054cd | 86 | * @param ReadAddr: Read start address |
bcostm | 0:be9d625054cd | 87 | * @param Size: Size of data to read |
bcostm | 0:be9d625054cd | 88 | * @retval QSPI memory status |
bcostm | 0:be9d625054cd | 89 | */ |
bcostm | 0:be9d625054cd | 90 | uint8_t Read(uint8_t* pData, uint32_t ReadAddr, uint32_t Size); |
bcostm | 0:be9d625054cd | 91 | |
bcostm | 0:be9d625054cd | 92 | /** |
bcostm | 0:be9d625054cd | 93 | * @brief Writes an amount of data to the QSPI memory. |
bcostm | 0:be9d625054cd | 94 | * @param pData: Pointer to data to be written |
bcostm | 0:be9d625054cd | 95 | * @param WriteAddr: Write start address |
bcostm | 0:be9d625054cd | 96 | * @param Size: Size of data to write |
bcostm | 0:be9d625054cd | 97 | * @retval QSPI memory status |
bcostm | 0:be9d625054cd | 98 | */ |
bcostm | 0:be9d625054cd | 99 | uint8_t Write(uint8_t* pData, uint32_t WriteAddr, uint32_t Size); |
bcostm | 0:be9d625054cd | 100 | |
bcostm | 0:be9d625054cd | 101 | /** |
bcostm | 0:be9d625054cd | 102 | * @brief Erases the specified block of the QSPI memory. |
bcostm | 0:be9d625054cd | 103 | * @param BlockAddress: Block address to erase |
bcostm | 0:be9d625054cd | 104 | * @retval QSPI memory status |
bcostm | 0:be9d625054cd | 105 | */ |
bcostm | 0:be9d625054cd | 106 | uint8_t Erase_Block(uint32_t BlockAddress); |
bcostm | 0:be9d625054cd | 107 | |
bcostm | 0:be9d625054cd | 108 | /** |
bcostm | 0:be9d625054cd | 109 | * @brief Erases the entire QSPI memory. |
bcostm | 0:be9d625054cd | 110 | * @retval QSPI memory status |
bcostm | 0:be9d625054cd | 111 | */ |
bcostm | 0:be9d625054cd | 112 | uint8_t Erase_Chip(void); |
bcostm | 0:be9d625054cd | 113 | |
bcostm | 0:be9d625054cd | 114 | /** |
bcostm | 0:be9d625054cd | 115 | * @brief Reads current status of the QSPI memory. |
bcostm | 0:be9d625054cd | 116 | * @retval QSPI memory status |
bcostm | 0:be9d625054cd | 117 | */ |
bcostm | 0:be9d625054cd | 118 | uint8_t GetStatus(void); |
bcostm | 0:be9d625054cd | 119 | |
bcostm | 0:be9d625054cd | 120 | /** |
bcostm | 0:be9d625054cd | 121 | * @brief Return the configuration of the QSPI memory. |
bcostm | 0:be9d625054cd | 122 | * @param pInfo: pointer on the configuration structure |
bcostm | 0:be9d625054cd | 123 | * @retval QSPI memory status |
bcostm | 0:be9d625054cd | 124 | */ |
bcostm | 0:be9d625054cd | 125 | uint8_t GetInfo(QSPI_Info* pInfo); |
bcostm | 0:be9d625054cd | 126 | |
bcostm | 0:be9d625054cd | 127 | /** |
bcostm | 0:be9d625054cd | 128 | * @brief Configure the QSPI in memory-mapped mode |
bcostm | 0:be9d625054cd | 129 | * @retval QSPI memory status |
bcostm | 0:be9d625054cd | 130 | */ |
bcostm | 0:be9d625054cd | 131 | uint8_t EnableMemoryMappedMode(void); |
bcostm | 0:be9d625054cd | 132 | |
bcostm | 0:be9d625054cd | 133 | private: |
bcostm | 0:be9d625054cd | 134 | |
bcostm | 0:be9d625054cd | 135 | }; |
bcostm | 0:be9d625054cd | 136 | |
bcostm | 0:be9d625054cd | 137 | #else |
bcostm | 0:be9d625054cd | 138 | #error "This class must be used with DISCO_F746NG board only." |
bcostm | 0:be9d625054cd | 139 | #endif // TARGET_DISCO_F746NG |
bcostm | 0:be9d625054cd | 140 | |
bcostm | 0:be9d625054cd | 141 | #endif |