Revision 0:c0eba637f7c7, committed 2018-04-07

Comitter:

kenjiArai

Date:

Sat Apr 07 02:06:27 2018 +0000

Child:

1:d01aa82597cb

Commit message:

for DISCO-F769NI based on BD_SD_DISCO_F746NG library by Roy Krikke

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDBlockDeviceDISCOF769NI.cpp	Sat Apr 07 02:06:27 2018 +0000
@@ -0,0 +1,271 @@
+/* SD/MMC Block device Library for MBED-OS
+ * Copyright 2017 Roy Krikke
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+/*
+    Original Library by Roy Krikke
+    https://os.mbed.com/users/roykrikke/code/BD_SD_DISCO_F746NG/
+    https://os.mbed.com/users/roykrikke/
+
+    Modified by K.Arai / JH1PJL     April 5th, 2018
+    
+    All of following keywords are changed
+    F746NG  -> F769NI
+    32746g  -> 32f769i
+ */
+
+#include "SDBlockDeviceDISCOF769NI.h"
+#include "mbed_debug.h"
+
+/* Required version: 5.5.0 and above */
+#if defined(MBED_MAJOR_VERSION) && MBED_MAJOR_VERSION >= 5
+#if (MBED_VERSION < MBED_ENCODE_VERSION(5,5,0))
+#error "Incompatible mbed-os version detected! Required 5.5.0 and above"
+#endif
+#else
+#warning "mbed-os version 5.5.0 or above required"
+#endif
+
+/* Required version: 5.5.0 and above */
+#warning "Block device class BD_SD_DISCO_F769NI is depending on BSP_DISCO_F769NI libary (Revision 3:145e71 with date 06 Jul 2017)"
+
+#define SD_DBG 0 /*!< 1 - Enable debugging */
+
+/** Enum of standard error codes
+ *
+ *  @enum bd_sd_error
+ */
+enum bd_sd_error {
+    SD_BLOCK_DEVICE_OK = 0,             /*!< no error */
+    SD_BLOCK_DEVICE_ERROR = -5000,      /*!< device specific error */
+    //SD_BLOCK_DEVICE_ERROR_WOULD_BLOCK = -5001,  /*!< operation would block */
+    //SD_BLOCK_DEVICE_ERROR_UNSUPPORTED = -5002,  /*!< unsupported operation */
+    SD_BLOCK_DEVICE_ERROR_PARAMETER = -5003,    /*!< invalid parameter */
+    SD_BLOCK_DEVICE_ERROR_NO_INIT = -5004,      /*!< uninitialized */
+    SD_BLOCK_DEVICE_ERROR_NO_DEVICE = -5005,    /*!< device is missing or not connected */
+    //SD_BLOCK_DEVICE_ERROR_WRITE_PROTECTED = -5006,    /*!< write protected */
+    //SD_BLOCK_DEVICE_ERROR_UNUSABLE = -5007,           /*!< unusable card */
+    //SD_BLOCK_DEVICE_ERROR_NO_RESPONSE = -5008,        /*!< No response from device */
+    //SD_BLOCK_DEVICE_ERROR_CRC = -5009,                /*!< CRC error */
+    SD_BLOCK_DEVICE_ERROR_ERASE = -5010,        /*!< Erase error */
+    SD_BLOCK_DEVICE_ERROR_READ = -5011,         /*!< Read error */
+    SD_BLOCK_DEVICE_ERROR_PROGRAM = -5012,      /*!< Program error */
+};
+
+#define BLOCK_SIZE_HC 512 /*!< Block size supported for SD card is 512 bytes  */
+
+SDBlockDeviceDISCOF769NI::SDBlockDeviceDISCOF769NI() :
+    _read_size (BLOCK_SIZE_HC), _program_size (BLOCK_SIZE_HC),
+    _erase_size(BLOCK_SIZE_HC), _block_size (BLOCK_SIZE_HC),
+    _capacity_in_blocks (0)
+{
+    _timeout = 1000;
+}
+
+SDBlockDeviceDISCOF769NI::~SDBlockDeviceDISCOF769NI()
+{
+    if(_is_initialized) {
+        deinit ();
+    }
+}
+
+int SDBlockDeviceDISCOF769NI::init()
+{
+    lock();
+    _sd_state = BSP_SD_Init();
+
+    if(_sd_state != MSD_OK) {
+        if(_sd_state == MSD_ERROR_SD_NOT_PRESENT) {
+            debug_if(SD_DBG, "SD card is missing or not connected\n");
+            unlock ();
+            return SD_BLOCK_DEVICE_ERROR_NO_DEVICE;
+        } else {
+            debug_if(SD_DBG, "SD card initialization failed\n");
+            unlock();
+            return SD_BLOCK_DEVICE_ERROR_NO_INIT;
+        }
+    }
+    BSP_SD_GetCardInfo(&_current_card_info);
+
+    _card_type = _current_card_info.CardType;
+    _read_size = _current_card_info.BlockSize;
+    _program_size = _current_card_info.BlockSize;
+    _erase_size = _current_card_info.BlockSize;
+    _block_size = _current_card_info.BlockSize;
+    _capacity_in_blocks = _current_card_info.BlockNbr;
+
+    debug_if(SD_DBG, "Card Type: %i\n", _current_card_info.CardType);
+    debug_if(SD_DBG, "Card Version: %i\n", _current_card_info.CardVersion);
+    debug_if(SD_DBG, "Class: %i\n", _current_card_info.Class);
+    debug_if(SD_DBG, "Relative Card Address: %x\n", _current_card_info.RelCardAdd);
+    debug_if(SD_DBG, "Card Capacity in blocks: %i\n", _current_card_info.BlockNbr);
+    debug_if(SD_DBG, "One block size in bytes: %i\n", _current_card_info.BlockSize);
+    debug_if(SD_DBG, "Card logical Capacity in blocks: %i\n", _current_card_info.LogBlockNbr);
+    debug_if(SD_DBG, "Logical block size in bytes: %i\n", _current_card_info.LogBlockSize);
+    debug_if(SD_DBG, "Timeout: %i\n", _timeout);
+
+    _is_initialized = true;
+    unlock();
+    return SD_BLOCK_DEVICE_OK;
+}
+
+int SDBlockDeviceDISCOF769NI::deinit()
+{
+    lock();
+    _sd_state = BSP_SD_DeInit ();
+    if(_sd_state != MSD_OK) {
+        debug_if (SD_DBG, "SD card deinitialization failed\n");
+        return SD_BLOCK_DEVICE_ERROR;
+    }
+    _is_initialized = false;
+    unlock();
+    return BD_ERROR_OK;
+}
+
+int SDBlockDeviceDISCOF769NI::read(void *b, bd_addr_t addr, bd_size_t size)
+{
+    if(!is_valid_read (addr, size)) {
+        return SD_BLOCK_DEVICE_ERROR_PARAMETER;
+    }
+
+    lock();
+    if(!_is_initialized) {
+        unlock();
+        return SD_BLOCK_DEVICE_ERROR_NO_INIT;
+    }
+
+    uint32_t *buffer = static_cast<uint32_t *> (b);
+    int status = SD_BLOCK_DEVICE_OK;
+
+    // Get block address
+    uint32_t block_addr = addr / _block_size;
+    // Get block count
+    uint32_t block_cnt = size / _block_size;
+
+    debug_if(
+        SD_DBG,
+        "BD_SD_DISCO_F769NI::read addr: 0x%x, block_addr: %i size: %lu block count: %i\n",
+        addr, block_addr, size, block_cnt);
+
+    if(BSP_SD_ReadBlocks (buffer, block_addr, block_cnt, _timeout) != MSD_OK) {
+        status = SD_BLOCK_DEVICE_ERROR_READ;
+    }
+
+    // Wait until SD card is ready to use for new operation
+    while(BSP_SD_GetCardState() != SD_TRANSFER_OK) {
+    }
+
+    unlock ();
+    return status;
+}
+
+int SDBlockDeviceDISCOF769NI::program(const void *b, bd_addr_t addr, bd_size_t size)
+{
+    if(!is_valid_program (addr, size)) {
+        return SD_BLOCK_DEVICE_ERROR_PARAMETER;
+    }
+
+    lock();
+    if(!_is_initialized) {
+        unlock ();
+        return SD_BLOCK_DEVICE_ERROR_NO_INIT;
+    }
+
+    uint32_t* buffer =
+        const_cast<uint32_t*> (reinterpret_cast<const uint32_t*> (b));
+    int status = SD_BLOCK_DEVICE_OK;
+
+    // Get block address
+    uint32_t block_addr = addr / _block_size;
+    // Get block count
+    uint32_t block_cnt = size / _block_size;
+
+    debug_if (
+        SD_DBG,
+        "BD_SD_DISCO_F769NI::program addr: 0x%x, block_addr: %i size: %lu block count: %i\n",
+        addr, block_addr, size, block_cnt);
+
+    if(BSP_SD_WriteBlocks (buffer, block_addr, block_cnt, _timeout) != MSD_OK) {
+        status = SD_BLOCK_DEVICE_ERROR_PROGRAM;
+    }
+
+    // Wait until SD card is ready to use for new operation
+    while(BSP_SD_GetCardState() != SD_TRANSFER_OK) {
+    }
+
+    unlock();
+    return status;
+}
+
+int SDBlockDeviceDISCOF769NI::erase(bd_addr_t addr, bd_size_t size)
+{
+    if (!is_valid_erase(addr, size)) {
+        return SD_BLOCK_DEVICE_ERROR_PARAMETER;
+    }
+
+    lock();
+    if(!_is_initialized) {
+        unlock();
+        return SD_BLOCK_DEVICE_ERROR_NO_INIT;
+    }
+
+    size -= _block_size;
+
+    int status = SD_BLOCK_DEVICE_OK;
+    uint32_t start_addr = addr;
+    uint32_t end_addr = start_addr + size;
+
+    // Get block count
+    uint32_t block_start_addr = start_addr / _block_size;
+    // Get block address
+    uint32_t block_end_addr = end_addr / _block_size;
+
+    debug_if(
+        SD_DBG,
+        "BD_SD_DISCO_F769NI::erase start_addr: 0x%x, block_start_addr: %i | end_addr: 0x%x, block_end_addr: %i size: %lu\n",
+        start_addr, block_start_addr, end_addr, block_end_addr, size);
+
+    if(BSP_SD_Erase (block_start_addr, block_end_addr) != MSD_OK) {
+        status = SD_BLOCK_DEVICE_ERROR_ERASE;
+    }
+
+    /* Wait until SD card is ready to use for new operation */
+    while(BSP_SD_GetCardState() != SD_TRANSFER_OK) {
+    }
+
+    unlock();
+    return status;
+}
+
+bd_size_t SDBlockDeviceDISCOF769NI::get_read_size() const
+{
+    return _read_size;
+}
+
+bd_size_t SDBlockDeviceDISCOF769NI::get_program_size() const
+{
+    return _program_size;
+}
+
+bd_size_t SDBlockDeviceDISCOF769NI::get_erase_size() const
+{
+    return _erase_size;
+}
+
+bd_size_t SDBlockDeviceDISCOF769NI::size() const
+{
+    return (_block_size * _capacity_in_blocks);
+}
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDBlockDeviceDISCOF769NI.h	Sat Apr 07 02:06:27 2018 +0000
@@ -0,0 +1,209 @@
+/* SD/MMC Block device Library for MBED-OS
+ * Copyright 2017 Roy Krikke
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+/*
+    Original Library by Roy Krikke
+    https://os.mbed.com/users/roykrikke/code/BD_SD_DISCO_F746NG/
+    https://os.mbed.com/users/roykrikke/
+
+    Modified by K.Arai / JH1PJL     April 5th, 2018
+    
+    All of following keywords are changed
+    F746NG  -> F769NI
+    32746g  -> 32f769i
+ */
+
+#ifndef BD_SD_DISCO_F769NI_H
+#define BD_SD_DISCO_F769NI_H
+
+#include "mbed.h"
+#include "BlockDevice.h"
+#include "platform/PlatformMutex.h"
+#include "stm32f769i_discovery_sd.h"
+
+#define BD_SD_DISCO_F769NI_MAJOR_VERSION 1
+#define BD_SD_DISCO_F769NI_MINOR_VERSION 0
+#define BD_SD_DISCO_F769NI_PATCH_VERSION 0
+
+/**
+ * BD_SD_DISCO_F769NI class.
+ *  Block device class for creating a block device to access a SD/MMC card via SD/MMC interface on DISCO_F769NI
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ * #include "SDBlockDeviceDISCOF769NI.h"
+ *
+ * DigitalOut led (LED1);
+ *
+ * // Instantiate the Block Device for sd card on DISCO-F769NI
+ * SDBlockDeviceDISCOF769NI bd;
+ * uint8_t block[512] = "Hello World!\n";
+ *
+ * int
+ * main () {
+ *   Serial pc(SERIAL_TX, SERIAL_RX);
+ *   pc.baud (115200);
+ *   printf("Start\n");
+ *
+ *   // Call the SDBlockDevice-DISCO-F769NI instance initialisation method.
+ *   printf("sd card init...\n");
+ *   if (0 != bd.init ()) {
+ *     printf("Init failed \n");
+ *     return -1;
+ *   }
+ *
+ *   printf("sd size: %llu\n", bd.size ());
+ *   printf("sd read size: %llu\n", bd.get_read_size ());
+ *   printf("sd program size: %llu\n", bd.get_program_size ());
+ *   printf("sd erase size: %llu\n\n", bd.get_erase_size ());
+ *
+ *   printf("sd erase...\n");
+ *   if (0 != bd.erase (0, bd.get_erase_size ())) {
+ *     printf ("Error Erasing block \n");
+ *   }
+ *
+ *   // Write some the data block to the device
+ *   printf("sd write: %s\n", block);
+ *   if (0 == bd.program (block, 0, 512)) {
+ *     // read the data block from the device
+ *     printf ("sd read: ");
+ *     if (0 == bd.read (block, 0, 512)) {
+ *       // print the contents of the block
+ *       printf ("%s", block);
+ *     }
+ *   }
+ *
+ *   // Call the BD_SD_DISCO_F769NI instance de-initialisation method.
+ *   printf("sd card deinit...\n");
+ *   if(0 != bd.deinit ()) {
+ *     printf ("Deinit failed \n");
+ *     return -1;
+ *   }
+ *
+ *   // Blink led with 2 Hz
+ *   while(true) {
+ *     led = !led;
+ *     wait (0.5);
+ *   }
+ * }
+ * @endcode
+ *
+ */
+class SDBlockDeviceDISCOF769NI : public BlockDevice
+{
+public:
+
+    /** Lifetime of the memory block device
+     *
+     * Only a block size of 512 bytes is supported
+     *
+     */
+    SDBlockDeviceDISCOF769NI();
+    virtual ~SDBlockDeviceDISCOF769NI();
+
+    /** Initialize a block device
+     *
+     *  @return         0 on success or a negative error code on failure
+     */
+    virtual int init();
+
+    /** Deinitialize a block device
+     *
+     *  @return         0 on success or a negative error code on failure
+     */
+    virtual int deinit();
+
+    /** Read blocks from a block device
+     *
+     *  @param buffer   Buffer to read blocks into
+     *  @param addr     Address of block to begin reading from
+     *  @param size     Size to read in bytes, must be a multiple of read block size
+     *  @return         0 on success, negative error code on failure
+     */
+    virtual int read(void *buffer, bd_addr_t addr, bd_size_t size);
+
+    /** Program blocks to a block device
+     *
+     *  The blocks must have been erased prior to being programmed
+     *
+     *  @param buffer   Buffer of data to write to blocks
+     *  @param addr     Address of block to begin writing to
+     *  @param size     Size to write in bytes, must be a multiple of program block size
+     *  @return         0 on success, negative error code on failure
+     */
+    virtual int program(const void *buffer, bd_addr_t addr, bd_size_t size);
+
+    /** Erase blocks on a block device
+     *
+     *  The state of an erased block is undefined until it has been programmed
+     *
+     *  @param addr     Address of block to begin erasing
+     *  @param size     Size to erase in bytes, must be a multiple of erase block size
+     *  @return         0 on success, negative error code on failure
+     */
+    virtual int erase(bd_addr_t addr, bd_size_t size);
+
+    /** Get the size of a readable block
+     *
+     *  @return         Size of a readable block in bytes
+     */
+    virtual bd_size_t get_read_size() const;
+
+    /** Get the size of a programable block
+     *
+     *  @return         Size of a programable block in bytes
+     */
+    virtual bd_size_t get_program_size() const;
+
+    /** Get the size of a eraseable block
+     *
+     *  @return         Size of a eraseable block in bytes
+     */
+    virtual bd_size_t get_erase_size() const;
+
+    /** Get the total size of the underlying device
+     *
+     *  @return         Size of the underlying device in bytes
+     */
+    virtual bd_size_t size() const;
+
+private:
+    uint8_t _card_type;
+    bd_size_t _read_size;
+    bd_size_t _program_size;
+    bd_size_t _erase_size;
+    bd_size_t _block_size;
+    bd_size_t _capacity_in_blocks;
+    BSP_SD_CardInfo _current_card_info;
+    uint8_t _sd_state;
+    uint32_t _timeout;
+    PlatformMutex _mutex;
+    bool _is_initialized;
+
+    virtual void
+    lock () {
+        _mutex.lock();
+    }
+
+    virtual void
+    unlock() {
+        _mutex.unlock ();
+    }
+
+};
+
+#endif /* BD_SD_DISCO_F769NI_H */