pure sdk for main

2025-08-27 09:51:58 +01:00
parent f0d033f1c9
commit 0571416e7c
3283 changed files with 1577720 additions and 1 deletions
@@ -0,0 +1,185 @@
+/*------------------------------------------------------------------------*/
+/* Sample code of OS dependent controls for FatFs                         */
+/* (C)ChaN, 2012                                                          */
+/*------------------------------------------------------------------------*/
+
+#include <stdlib.h>		/* ANSI process controls */
+#include <stdio.h>
+
+#include "ff.h"
+#include "csi_kernel.h"
+#include "osal/string.h"
+//#include "osal/osal_sema.h"
+//#include "osal/osal_alloc.h"
+
+
+
+#if FF_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. When a 0 is returned,
+   the f_mount() function fails with FR_INT_ERR.
+*/
+
+int ff_cre_syncobj (	/* 1:Function succeeded, 0:Could not create due to any error */
+	BYTE vol,			/* Corresponding logical drive being processed */
+	FF_SYNC_t *sobj		/* Pointer to return the created sync object */
+)
+{
+	
+	int ret;
+	static FF_SYNC_t sem[FF_VOLUMES];	/* FreeRTOS */
+	//_os_printf("%s vol:%d\t%X\n",__FUNCTION__,vol,sem[vol]);
+
+	//*sobj = CreateMutex(NULL, FALSE, NULL);		/* Win32 */
+	//ret = (*sobj != INVALID_HANDLE_VALUE);
+
+//	*sobj = SyncObjects[vol];		/* uITRON (give a static created sync object) */
+    //	ret = 1;						/* The initial value of the semaphore must be 1. */
+    
+    //	*sobj = OSMutexCreate(0, &err);	/* uC/OS-II */
+    //	ret = (err == OS_NO_ERR);
+    
+      if (!sem[vol])					/* FreeRTOS */
+	  	{
+			sem[vol] = csi_kernel_mutex_new();
+			
+	  	}
+    	*sobj = sem[vol];
+    
+    	//_os_printf("cre:%X\n",sem[vol]);
+    	ret = (*sobj != NULL);
+
+	return ret;
+}
+
+
+
+/*------------------------------------------------------------------------*/
+/* Delete a Synchronization Object                                        */
+/*------------------------------------------------------------------------*/
+/* This function is called in f_mount() function to delete a synchronization
+/  object that created with ff_cre_syncobj function. When a 0 is returned,
+/  the f_mount() function fails with FR_INT_ERR.
+*/
+
+int ff_del_syncobj (	/* 1:Function succeeded, 0:Could not delete due to any error */
+	FF_SYNC_t sobj		/* Sync object tied to the logical drive to be deleted */
+)
+{
+	int ret;
+
+
+	//ret = CloseHandle(sobj);	/* Win32 */
+
+//	ret = 1;					/* uITRON (nothing to do) */
+
+//	OSMutexDel(sobj, OS_DEL_ALWAYS, &err);	/* uC/OS-II */
+//	ret = (err == OS_NO_ERR);
+
+	//ret = 1;					/* FreeRTOS (nothing to do) */
+	//_os_printf("del:%X\t%X\n",sobj,&sobj);
+	ret = 1;					/* FreeRTOS (nothing to do) */
+
+	return ret;
+
+}
+
+
+
+/*------------------------------------------------------------------------*/
+/* 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 (	/* 1:Got a grant to access the volume, 0:Could not get a grant */
+	FF_SYNC_t sobj	/* Sync object to wait */
+)
+{
+	int ret;
+
+	//ret = (WaitForSingleObject(sobj, _FS_TIMEOUT) == WAIT_OBJECT_0);	/* Win32 */
+
+//	ret = (wai_sem(sobj) == E_OK);				/* uITRON */
+
+//	OSMutexPend(sobj, _FS_TIMEOUT, &err));		/* uC/OS-II */
+//	ret = (err == OS_NO_ERR);
+
+	//ret = (xSemaphoreTake(sobj, FF_FS_TIMEOUT) == pdTRUE);	/* FreeRTOS */
+	//_os_printf("A:%X\t%X\n",sobj,&sobj);
+	ret = csi_kernel_mutex_lock(sobj,FF_FS_TIMEOUT, 0);
+	//_os_printf("B\n");
+	if(!ret)
+	{
+		ret = 1;
+	}
+	else
+	{
+		ret = 0;
+	}
+
+	return ret;
+}
+
+
+
+/*------------------------------------------------------------------------*/
+/* Release Grant to Access the Volume                                     */
+/*------------------------------------------------------------------------*/
+/* This function is called on leaving file functions to unlock the volume.
+*/
+
+void ff_rel_grant (
+	FF_SYNC_t sobj	/* Sync object to be signaled */
+)
+{
+	//ReleaseMutex(sobj);		/* Win32 */
+
+//	sig_sem(sobj);			/* uITRON */
+
+//	OSMutexPost(sobj);		/* uC/OS-II */
+
+	//xSemaphoreGive(sobj);	/* FreeRTOS */
+	//_os_printf("C\n");
+	csi_kernel_mutex_unlock(sobj);
+	//_os_printf("D\n");
+}
+
+#endif
+
+
+
+
+#if FF_USE_LFN == 3	/* LFN with a working buffer on the heap */
+/*------------------------------------------------------------------------*/
+/* Allocate a memory block                                                */
+/*------------------------------------------------------------------------*/
+/* If a NULL is returned, the file function fails with FR_NOT_ENOUGH_CORE.
+*/
+
+void* ff_memalloc (	/* Returns pointer to the allocated memory block */
+	UINT msize		/* Number of bytes to allocate */
+)
+{
+	//_os_printf("msize:%d\r\n",msize);
+	return os_malloc(msize);	/* Allocate a memory block with POSIX API */
+}
+
+
+/*------------------------------------------------------------------------*/
+/* Free a memory block                                                    */
+/*------------------------------------------------------------------------*/
+
+
+void ff_memfree (
+	void* mblock	/* Pointer to the memory block to free */
+)
+{
+	os_free(mblock);
+}
+
+#endif