diff options
Diffstat (limited to 'cc3200/fatfs_port.c')
| -rw-r--r-- | cc3200/fatfs_port.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/cc3200/fatfs_port.c b/cc3200/fatfs_port.c new file mode 100644 index 000000000..658c94e88 --- /dev/null +++ b/cc3200/fatfs_port.c @@ -0,0 +1,74 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2013-2017 Damien P. George + * Parts of this file are (C)ChaN, 2014, from FatFs option/syscall.c + * + * 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 "py/runtime.h" +#include "lib/oofatfs/ff.h" +#include "lib/timeutils/timeutils.h" +#include "mods/pybrtc.h" + +#if _FS_REENTRANT +// Create a Synchronization Object +// This function is called in f_mount() function to create a new +// synchronization object, such as semaphore and mutex. +// A return of 0 indicates failure, and then f_mount() fails with FR_INT_ERR. +int ff_cre_syncobj(FATFS *fatfs, _SYNC_t *sobj) { + vSemaphoreCreateBinary((*sobj)); + return (int)(*sobj != NULL); +} + +// Delete a Synchronization Object +// This function is called in f_mount() function to delete a synchronization +// object that created with ff_cre_syncobj function. +// A return of 0 indicates failure, and then f_mount() fails with FR_INT_ERR. +int ff_del_syncobj(_SYNC_t sobj) { + vSemaphoreDelete(sobj); + return 1; +} + +// Request Grant to Access the Volume +// This function is called on entering file functions to lock the volume. +// When a 0 is returned, the file function fails with FR_TIMEOUT. +int ff_req_grant(_SYNC_t sobj) { + return (int)(xSemaphoreTake(sobj, _FS_TIMEOUT) == pdTRUE); +} + +// Release Grant to Access the Volume +// This function is called on leaving file functions to unlock the volume. +void ff_rel_grant(_SYNC_t sobj) { + xSemaphoreGive(sobj); +} + +#endif + +DWORD get_fattime(void) { + timeutils_struct_time_t tm; + timeutils_seconds_since_2000_to_struct_time(pyb_rtc_get_seconds(), &tm); + + return ((tm.tm_year - 1980) << 25) | ((tm.tm_mon) << 21) | + ((tm.tm_mday) << 16) | ((tm.tm_hour) << 11) | + ((tm.tm_min) << 5) | (tm.tm_sec >> 1); +} |
