Merge pull request #1622 from armink/fix_com_init

[components] Update dfs and lwIP 2.0.2 re-initialization process.
This commit is contained in:
aozima 2018-07-16 20:48:24 +08:00 committed by GitHub
commit 6deeb61efb
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2 changed files with 18 additions and 15 deletions

View File

@ -55,15 +55,15 @@ static int fd_alloc(struct dfs_fdtable *fdt, int startfd);
/** /**
* this function will initialize device file system. * this function will initialize device file system.
*/ */
static volatile uint8_t init_ok = 0;
int dfs_init(void) int dfs_init(void)
{ {
if(init_ok) static rt_bool_t init_ok = RT_FALSE;
if (init_ok)
{ {
rt_kprintf("dfs already init.\n"); rt_kprintf("dfs already init.\n");
return 0; return 0;
} }
init_ok = 1;
/* clear filesystem operations table */ /* clear filesystem operations table */
memset((void *)filesystem_operation_table, 0, sizeof(filesystem_operation_table)); memset((void *)filesystem_operation_table, 0, sizeof(filesystem_operation_table));
@ -92,6 +92,8 @@ int dfs_init(void)
} }
#endif #endif
init_ok = RT_TRUE;
return 0; return 0;
} }
INIT_PREV_EXPORT(dfs_init); INIT_PREV_EXPORT(dfs_init);

View File

@ -136,18 +136,17 @@ static void tcpip_init_done_callback(void *arg)
* LwIP system initialization * LwIP system initialization
*/ */
extern int eth_system_device_init_private(void); extern int eth_system_device_init_private(void);
static volatile uint8_t init_ok = 0;
int lwip_system_init(void) int lwip_system_init(void)
{ {
rt_err_t rc; rt_err_t rc;
struct rt_semaphore done_sem; struct rt_semaphore done_sem;
static rt_bool_t init_ok = RT_FALSE;
if(init_ok) if (init_ok)
{ {
rt_kprintf("lwip system already init.\n"); rt_kprintf("lwip system already init.\n");
return 0; return 0;
} }
init_ok = 1;
eth_system_device_init_private(); eth_system_device_init_private();
@ -189,6 +188,8 @@ int lwip_system_init(void)
#endif #endif
rt_kprintf("lwIP-%d.%d.%d initialized!\n", LWIP_VERSION_MAJOR, LWIP_VERSION_MINOR, LWIP_VERSION_REVISION); rt_kprintf("lwIP-%d.%d.%d initialized!\n", LWIP_VERSION_MAJOR, LWIP_VERSION_MINOR, LWIP_VERSION_REVISION);
init_ok = RT_TRUE;
return 0; return 0;
} }
INIT_PREV_EXPORT(lwip_system_init); INIT_PREV_EXPORT(lwip_system_init);