Clean-up, fixed mistake
GCC, why no u warn me of strict aliasing
This commit is contained in:
@@ -1,151 +0,0 @@
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/*------------------------------------------------------------------------*/
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/* Sample code of OS dependent controls for FatFs */
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/* (C)ChaN, 2014 */
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/*------------------------------------------------------------------------*/
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#include "../ff.h"
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#if _FS_REENTRANT
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/*------------------------------------------------------------------------*/
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/* Create a Synchronization Object */
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/*------------------------------------------------------------------------*/
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/* This function is called in f_mount() function to create a new
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/ synchronization object, such as semaphore and mutex. When a 0 is returned,
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/ the f_mount() function fails with FR_INT_ERR.
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*/
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int ff_cre_syncobj ( /* !=0:Function succeeded, ==0:Could not create due to any error */
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BYTE vol, /* Corresponding logical drive being processed */
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_SYNC_t *sobj /* Pointer to return the created sync object */
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)
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{
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int ret;
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*sobj = CreateMutex(NULL, FALSE, NULL); /* Win32 */
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ret = (int)(*sobj != INVALID_HANDLE_VALUE);
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// *sobj = SyncObjects[vol]; /* uITRON (give a static created sync object) */
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// ret = 1; /* The initial value of the semaphore must be 1. */
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// *sobj = OSMutexCreate(0, &err); /* uC/OS-II */
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// ret = (int)(err == OS_NO_ERR);
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// *sobj = xSemaphoreCreateMutex(); /* FreeRTOS */
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// ret = (int)(*sobj != NULL);
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return ret;
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}
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/*------------------------------------------------------------------------*/
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/* Delete a Synchronization Object */
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/*------------------------------------------------------------------------*/
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/* This function is called in f_mount() function to delete a synchronization
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/ object that created with ff_cre_syncobj function. When a 0 is returned,
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/ the f_mount() function fails with FR_INT_ERR.
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*/
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int ff_del_syncobj ( /* !=0:Function succeeded, ==0:Could not delete due to any error */
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_SYNC_t sobj /* Sync object tied to the logical drive to be deleted */
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)
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{
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int ret;
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ret = CloseHandle(sobj); /* Win32 */
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// ret = 1; /* uITRON (nothing to do) */
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// OSMutexDel(sobj, OS_DEL_ALWAYS, &err); /* uC/OS-II */
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// ret = (int)(err == OS_NO_ERR);
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// vSemaphoreDelete(sobj); /* FreeRTOS */
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// ret = 1;
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return ret;
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}
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/*------------------------------------------------------------------------*/
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/* Request Grant to Access the Volume */
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/*------------------------------------------------------------------------*/
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/* This function is called on entering file functions to lock the volume.
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/ When a 0 is returned, the file function fails with FR_TIMEOUT.
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*/
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int ff_req_grant ( /* 1:Got a grant to access the volume, 0:Could not get a grant */
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_SYNC_t sobj /* Sync object to wait */
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)
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{
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int ret;
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ret = (int)(WaitForSingleObject(sobj, _FS_TIMEOUT) == WAIT_OBJECT_0); /* Win32 */
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// ret = (int)(wai_sem(sobj) == E_OK); /* uITRON */
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// OSMutexPend(sobj, _FS_TIMEOUT, &err)); /* uC/OS-II */
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// ret = (int)(err == OS_NO_ERR);
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// ret = (int)(xSemaphoreTake(sobj, _FS_TIMEOUT) == pdTRUE); /* FreeRTOS */
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return ret;
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}
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/*------------------------------------------------------------------------*/
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/* Release Grant to Access the Volume */
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/*------------------------------------------------------------------------*/
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/* This function is called on leaving file functions to unlock the volume.
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*/
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void ff_rel_grant (
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_SYNC_t sobj /* Sync object to be signaled */
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)
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{
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ReleaseMutex(sobj); /* Win32 */
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// sig_sem(sobj); /* uITRON */
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// OSMutexPost(sobj); /* uC/OS-II */
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// xSemaphoreGive(sobj); /* FreeRTOS */
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}
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#endif
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#if _USE_LFN == 3 /* LFN with a working buffer on the heap */
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/*------------------------------------------------------------------------*/
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/* Allocate a memory block */
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/*------------------------------------------------------------------------*/
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/* If a NULL is returned, the file function fails with FR_NOT_ENOUGH_CORE.
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*/
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void* ff_memalloc ( /* Returns pointer to the allocated memory block */
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UINT msize /* Number of bytes to allocate */
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)
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{
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return malloc(msize); /* Allocate a new memory block with POSIX API */
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}
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/*------------------------------------------------------------------------*/
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/* Free a memory block */
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/*------------------------------------------------------------------------*/
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void ff_memfree (
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void* mblock /* Pointer to the memory block to free */
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)
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{
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free(mblock); /* Discard the memory block with POSIX API */
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}
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#endif
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@@ -4,12 +4,12 @@
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#include <stddef.h>
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#include <stdbool.h>
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#define u8 uint8_t
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#define u16 uint16_t
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#define u32 uint32_t
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#define u64 uint64_t
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#define vu8 volatile u8
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#define vu16 volatile u16
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#define vu32 volatile u32
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#define vu64 volatile u64
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//Common data types
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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typedef volatile u8 vu8;
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typedef volatile u16 vu16;
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typedef volatile u32 vu32;
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typedef volatile u64 vu64;
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@@ -4,12 +4,7 @@
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@waitcycles ( u32 us )
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waitcycles:
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PUSH {R0-R2,LR}
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STR R0, [SP,#4]
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waitcycles_loop:
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LDR R3, [SP,#4]
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SUBS R2, R3, #1
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STR R2, [SP,#4]
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CMP R3, #0
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BNE waitcycles_loop
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POP {R0-R2,PC}
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waitcycles_loop:
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subs r0, #1
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bgt waitcycles_loop
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bx lr
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@@ -337,7 +337,7 @@ static int SD_Init()
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{
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inittarget(&handleSD);
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waitcycles(1u << 19); //Card needs a little bit of time to be detected, it seems
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waitcycles(1u << 18); //Card needs a little bit of time to be detected, it seems
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//If not inserted
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if (!(*((vu16*)0x1000601c) & TMIO_STAT0_SIGSTATE)) return -1;
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@@ -124,5 +124,4 @@ u32 sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, vu8 *in);
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mmcdevice *getMMCDevice(int drive);
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u32 sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, vu8 *out);
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u32 sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, vu8 *in);
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u32 sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, vu8 *in);
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@@ -2,7 +2,7 @@
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#define PAYLOAD_ADDRESS 0x23F00000
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int main()
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void main()
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{
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FATFS fs;
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FIL payload;
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@@ -14,6 +14,4 @@ int main()
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f_read(&payload, (void *)PAYLOAD_ADDRESS, f_size(&payload), &br);
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((void (*)())PAYLOAD_ADDRESS)();
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}
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return 1;
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}
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}
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