Ray Liu
/
NuMaker-mbed-Serial-to-Ethernet
Modify the file main.cpp for M487
NuMaker-mbed-SD-driver/NuSDBlockDevice.h
- Committer:
- shliu1
- Date:
- 2017-09-29
- Revision:
- 0:c89ccc69a48b
File content as of revision 0:c89ccc69a48b:
/* mbed Microcontroller Library * Copyright (c) 2015-2016 Nuvoton * * 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. */ #ifndef __NU_SD_BLOCK_DEVICE_H__ #define __NU_SD_BLOCK_DEVICE_H__ #include "BlockDevice.h" #include "mbed.h" struct nu_modinit_s; class NuSDBlockDevice : public BlockDevice { public: /** Lifetime of an SD card */ NuSDBlockDevice(); NuSDBlockDevice(PinName sd_dat0, PinName sd_dat1, PinName sd_dat2, PinName sd_dat3, PinName sd_cmd, PinName sd_clk, PinName sd_cdn); virtual ~NuSDBlockDevice(); /** 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 write blocks to * @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 * @note Must be a multiple of the read size */ virtual bd_size_t get_program_size() const; /** Get the size of a eraseable block * * @return Size of a eraseable block in bytes * @note Must be a multiple of the program size */ 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; /** Enable or disable debugging * * @param State of debugging */ virtual void debug(bool dbg); private: int _init_sdh(); uint32_t _sd_sectors(); void _sdh_irq(); uint32_t _sectors; bool _is_initialized; bool _dbg; Mutex _lock; const struct nu_modinit_s * _sdh_modinit; SDName _sdh; SDH_T * _sdh_base; #if defined(TARGET_NUMAKER_PFM_NUC472) uint32_t _sdh_port; #endif CThunk<NuSDBlockDevice> _sdh_irq_thunk; PinName _sd_dat0; PinName _sd_dat1; PinName _sd_dat2; PinName _sd_dat3; PinName _sd_cmd; PinName _sd_clk; PinName _sd_cdn; }; #endif /* __NU_SD_BLOCK_DEVICE_H__ */