Clean-up, fixed mistake

GCC, why no u warn me of strict aliasing
This commit is contained in:
Aurora
2016-03-11 15:08:05 +01:00
parent 6707a36ffe
commit 9468582d83
22 changed files with 78 additions and 434 deletions

View File

@@ -1,151 +0,0 @@
/*------------------------------------------------------------------------*/
/* Sample code of OS dependent controls for FatFs */
/* (C)ChaN, 2014 */
/*------------------------------------------------------------------------*/
#include "../ff.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. When a 0 is returned,
/ the f_mount() function fails with FR_INT_ERR.
*/
int ff_cre_syncobj ( /* !=0:Function succeeded, ==0:Could not create due to any error */
BYTE vol, /* Corresponding logical drive being processed */
_SYNC_t *sobj /* Pointer to return the created sync object */
)
{
int ret;
*sobj = CreateMutex(NULL, FALSE, NULL); /* Win32 */
ret = (int)(*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 = (int)(err == OS_NO_ERR);
// *sobj = xSemaphoreCreateMutex(); /* FreeRTOS */
// ret = (int)(*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 ( /* !=0:Function succeeded, ==0:Could not delete due to any error */
_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 = (int)(err == OS_NO_ERR);
// vSemaphoreDelete(sobj); /* FreeRTOS */
// ret = 1;
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 */
_SYNC_t sobj /* Sync object to wait */
)
{
int ret;
ret = (int)(WaitForSingleObject(sobj, _FS_TIMEOUT) == WAIT_OBJECT_0); /* Win32 */
// ret = (int)(wai_sem(sobj) == E_OK); /* uITRON */
// OSMutexPend(sobj, _FS_TIMEOUT, &err)); /* uC/OS-II */
// ret = (int)(err == OS_NO_ERR);
// ret = (int)(xSemaphoreTake(sobj, _FS_TIMEOUT) == pdTRUE); /* FreeRTOS */
return ret;
}
/*------------------------------------------------------------------------*/
/* 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 /* Sync object to be signaled */
)
{
ReleaseMutex(sobj); /* Win32 */
// sig_sem(sobj); /* uITRON */
// OSMutexPost(sobj); /* uC/OS-II */
// xSemaphoreGive(sobj); /* FreeRTOS */
}
#endif
#if _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 */
)
{
return malloc(msize); /* Allocate a new memory block with POSIX API */
}
/*------------------------------------------------------------------------*/
/* Free a memory block */
/*------------------------------------------------------------------------*/
void ff_memfree (
void* mblock /* Pointer to the memory block to free */
)
{
free(mblock); /* Discard the memory block with POSIX API */
}
#endif

View File

@@ -4,12 +4,12 @@
#include <stddef.h>
#include <stdbool.h>
#define u8 uint8_t
#define u16 uint16_t
#define u32 uint32_t
#define u64 uint64_t
#define vu8 volatile u8
#define vu16 volatile u16
#define vu32 volatile u32
#define vu64 volatile u64
//Common data types
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
typedef volatile u8 vu8;
typedef volatile u16 vu16;
typedef volatile u32 vu32;
typedef volatile u64 vu64;

View File

@@ -4,12 +4,7 @@
@waitcycles ( u32 us )
waitcycles:
PUSH {R0-R2,LR}
STR R0, [SP,#4]
waitcycles_loop:
LDR R3, [SP,#4]
SUBS R2, R3, #1
STR R2, [SP,#4]
CMP R3, #0
BNE waitcycles_loop
POP {R0-R2,PC}
waitcycles_loop:
subs r0, #1
bgt waitcycles_loop
bx lr

View File

@@ -337,7 +337,7 @@ static int SD_Init()
{
inittarget(&handleSD);
waitcycles(1u << 19); //Card needs a little bit of time to be detected, it seems
waitcycles(1u << 18); //Card needs a little bit of time to be detected, it seems
//If not inserted
if (!(*((vu16*)0x1000601c) & TMIO_STAT0_SIGSTATE)) return -1;

View File

@@ -124,5 +124,4 @@ u32 sdmmc_sdcard_writesectors(u32 sector_no, u32 numsectors, vu8 *in);
mmcdevice *getMMCDevice(int drive);
u32 sdmmc_nand_readsectors(u32 sector_no, u32 numsectors, vu8 *out);
u32 sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, vu8 *in);
u32 sdmmc_nand_writesectors(u32 sector_no, u32 numsectors, vu8 *in);

View File

@@ -2,7 +2,7 @@
#define PAYLOAD_ADDRESS 0x23F00000
int main()
void main()
{
FATFS fs;
FIL payload;
@@ -14,6 +14,4 @@ int main()
f_read(&payload, (void *)PAYLOAD_ADDRESS, f_size(&payload), &br);
((void (*)())PAYLOAD_ADDRESS)();
}
return 1;
}
}