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-rw-r--r--cc3200/fatfs_port.c74
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diff --git a/cc3200/fatfs_port.c b/cc3200/fatfs_port.c
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+/*
+ * 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);
+}