Merge branch 'master' into newmouse

1 files changed, 68 insertions, 0 deletions

diff --git a/src/gfile/gfile_fs_chibios.c b/src/gfile/gfile_fs_chibios.c
new file mode 100644
index 00000000..72826e28
--- /dev/null
+++ b/src/gfile/gfile_fs_chibios.c
@@ -0,0 +1,68 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+/********************************************************
+ * The ChibiOS BaseFileStream file-system
+ ********************************************************/
+
+#include "gfx.h"
+
+#if GFX_USE_GFILE && GFILE_NEED_CHIBIOSFS && GFX_USE_OS_CHIBIOS
+
+#include "gfile_fs.h"
+
+static void ChibiOSBFSClose(GFILE *f);
+static int ChibiOSBFSRead(GFILE *f, void *buf, int size);
+static int ChibiOSBFSWrite(GFILE *f, const void *buf, int size);
+static bool_t ChibiOSBFSSetpos(GFILE *f, long int pos);
+static long int ChibiOSBFSGetsize(GFILE *f);
+static bool_t ChibiOSBFSEof(GFILE *f);
+
+static const GFILEVMT FsCHIBIOSVMT = {
+	GFSFLG_SEEKABLE|GFSFLG_WRITEABLE,					// flags
+	0,													// prefix
+	0, 0, 0, 0,
+	0, ChibiOSBFSClose, ChibiOSBFSRead, ChibiOSBFSWrite,
+	ChibiOSBFSSetpos, ChibiOSBFSGetsize, ChibiOSBFSEof,
+	0, 0, 0,
+	#if GFILE_NEED_FILELISTS
+		0, 0, 0,
+	#endif
+};
+
+static void ChibiOSBFSClose(GFILE *f) {
+	chFileStreamClose(((BaseFileStream *)f->obj));
+}
+static int ChibiOSBFSRead(GFILE *f, void *buf, int size) {
+	return chSequentialStreamRead(((BaseFileStream *)f->obj), (uint8_t *)buf, size);
+}
+static int ChibiOSBFSWrite(GFILE *f, const void *buf, int size) {
+	return chSequentialStreamWrite(((BaseFileStream *)f->obj), (uint8_t *)buf, size);
+}
+static bool_t ChibiOSBFSSetpos(GFILE *f, long int pos) {
+	chFileStreamSeek(((BaseFileStream *)f->obj), pos);
+	return TRUE;
+}
+static long int ChibiOSBFSGetsize(GFILE *f) { return chFileStreamGetSize(((BaseFileStream *)f->obj)); }
+static bool_t ChibiOSBFSEof(GFILE *f) { return f->pos >= chFileStreamGetSize(((BaseFileStream *)f->obj)); }
+
+GFILE *		gfileOpenBaseFileStream(void *BaseFileStreamPtr, const char *mode) {
+	GFILE *			f;
+
+	// Get an empty file and set the flags
+	if (!(f = _gfileFindSlot(mode)))
+		return 0;
+
+	// File is open - fill in all the details
+	f->vmt = &FsCHIBIOSVMT;
+	f->obj = BaseFileStreamPtr;
+	f->pos = 0;
+	f->flags |= GFILEFLG_OPEN|GFILEFLG_CANSEEK;
+	return f;
+}
+
+#endif //GFX_USE_GFILE && GFILE_NEED_CHIBIOSFS && GFX_USE_OS_CHIBIOS