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TC: format code, expand TABs 

No functional changes.
This commit is contained in:
Grissiom 2013-12-21 11:56:33 +08:00
parent 6b02886eb3
commit 5019b3ee14
9 changed files with 618 additions and 618 deletions
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90
examples/kernel/cpuusage.c
View File

@ -9,62 +9,62 @@ static rt_uint32_t total_count = 0;
static void cpu_usage_idle_hook() static void cpu_usage_idle_hook()
{ {
rt_tick_t tick; rt_tick_t tick;
rt_uint32_t count; rt_uint32_t count;
volatile rt_uint32_t loop; volatile rt_uint32_t loop;
if (total_count == 0) if (total_count == 0)
{ {
/* get total count */ /* get total count */
rt_enter_critical(); rt_enter_critical();
tick = rt_tick_get(); tick = rt_tick_get();
while(rt_tick_get() - tick < CPU_USAGE_CALC_TICK) while(rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
{ {
total_count ++; total_count ++;
loop = 0; loop = 0;
while (loop < CPU_USAGE_LOOP) loop ++; while (loop < CPU_USAGE_LOOP) loop ++;
} }
rt_exit_critical(); rt_exit_critical();
} }
count = 0; count = 0;
/* get CPU usage */ /* get CPU usage */
tick = rt_tick_get(); tick = rt_tick_get();
while (rt_tick_get() - tick < CPU_USAGE_CALC_TICK) while (rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
{ {
count ++; count ++;
loop = 0; loop = 0;
while (loop < CPU_USAGE_LOOP) loop ++; while (loop < CPU_USAGE_LOOP) loop ++;
} }
/* calculate major and minor */ /* calculate major and minor */
if (count < total_count) if (count < total_count)
{ {
count = total_count - count; count = total_count - count;
cpu_usage_major = (count * 100) / total_count; cpu_usage_major = (count * 100) / total_count;
cpu_usage_minor = ((count * 100) % total_count) * 100 / total_count; cpu_usage_minor = ((count * 100) % total_count) * 100 / total_count;
} }
else else
{ {
total_count = count; total_count = count;
/* no CPU usage */ /* no CPU usage */
cpu_usage_major = 0; cpu_usage_major = 0;
cpu_usage_minor = 0; cpu_usage_minor = 0;
} }
} }
void cpu_usage_get(rt_uint8_t *major, rt_uint8_t *minor) void cpu_usage_get(rt_uint8_t *major, rt_uint8_t *minor)
{ {
RT_ASSERT(major != RT_NULL); RT_ASSERT(major != RT_NULL);
RT_ASSERT(minor != RT_NULL); RT_ASSERT(minor != RT_NULL);
*major = cpu_usage_major; *major = cpu_usage_major;
*minor = cpu_usage_minor; *minor = cpu_usage_minor;
} }
void cpu_usage_init() void cpu_usage_init()
{ {
/* set idle thread hook */ /* set idle thread hook */
rt_thread_idle_sethook(cpu_usage_idle_hook); rt_thread_idle_sethook(cpu_usage_idle_hook);
} }

164
examples/kernel/event_simple.c
View File

@ -20,124 +20,124 @@ static struct rt_event event;
/* 线程1入口函数 */ /* 线程1入口函数 */
static void thread1_entry(void *param) static void thread1_entry(void *param)
{ {
rt_uint32_t e; rt_uint32_t e;
while (1) while (1)
{ {
/* receive first event */ /* receive first event */
if (rt_event_recv(&event, ((1 << 3) | (1 << 5)), if (rt_event_recv(&event, ((1 << 3) | (1 << 5)),
RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR, RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR,
RT_WAITING_FOREVER, &e) == RT_EOK) RT_WAITING_FOREVER, &e) == RT_EOK)
{ {
rt_kprintf("thread1: AND recv event 0x%x\n", e); rt_kprintf("thread1: AND recv event 0x%x\n", e);
} }
rt_kprintf("thread1: delay 1s to prepare second event\n"); rt_kprintf("thread1: delay 1s to prepare second event\n");
rt_thread_delay(10); rt_thread_delay(10);
/* receive second event */ /* receive second event */
if (rt_event_recv(&event, ((1 << 3) | (1 << 5)), if (rt_event_recv(&event, ((1 << 3) | (1 << 5)),
RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR,
RT_WAITING_FOREVER, &e) == RT_EOK) RT_WAITING_FOREVER, &e) == RT_EOK)
{ {
rt_kprintf("thread1: OR recv event 0x%x\n", e); rt_kprintf("thread1: OR recv event 0x%x\n", e);
} }
rt_thread_delay(5); rt_thread_delay(5);
} }
} }
/* 线程2入口函数 */ /* 线程2入口函数 */
static void thread2_entry(void *param) static void thread2_entry(void *param)
{ {
while (1) while (1)
{ {
rt_kprintf("thread2: send event1\n"); rt_kprintf("thread2: send event1\n");
rt_event_send(&event, (1 << 3)); rt_event_send(&event, (1 << 3));
rt_thread_delay(10); rt_thread_delay(10);
} }
} }
/* 线程3入口函数 */ /* 线程3入口函数 */
static void thread3_entry(void *param) static void thread3_entry(void *param)
{ {
while (1) while (1)
{ {
rt_kprintf("thread3: send event2\n"); rt_kprintf("thread3: send event2\n");
rt_event_send(&event, (1 << 5)); rt_event_send(&event, (1 << 5));
rt_thread_delay(20); rt_thread_delay(20);
} }
} }
int event_simple_init() int event_simple_init()
{ {
/* 初始化事件对象 */ /* 初始化事件对象 */
rt_event_init(&event, "event", RT_IPC_FLAG_FIFO); rt_event_init(&event, "event", RT_IPC_FLAG_FIFO);
/* 创建线程1 */ /* 创建线程1 */
tid1 = rt_thread_create("t1", tid1 = rt_thread_create("t1",
thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */ thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid1 != RT_NULL) if (tid1 != RT_NULL)
rt_thread_startup(tid1); rt_thread_startup(tid1);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
/* 创建线程2 */ /* 创建线程2 */
tid2 = rt_thread_create("t2", tid2 = rt_thread_create("t2",
thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */ thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid2 != RT_NULL) if (tid2 != RT_NULL)
rt_thread_startup(tid2); rt_thread_startup(tid2);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
/* 创建线程3 */ /* 创建线程3 */
tid3 = rt_thread_create("t3", tid3 = rt_thread_create("t3",
thread3_entry, RT_NULL, /* 线程入口是thread3_entry, 入口参数是RT_NULL */ thread3_entry, RT_NULL, /* 线程入口是thread3_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid3 != RT_NULL) if (tid3 != RT_NULL)
rt_thread_startup(tid3); rt_thread_startup(tid3);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
return 0; return 0;
} }
#ifdef RT_USING_TC #ifdef RT_USING_TC
static void _tc_cleanup() static void _tc_cleanup()
{ {
/* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */ /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
rt_enter_critical(); rt_enter_critical();
/* 删除线程 */ /* 删除线程 */
if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE) if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid1); rt_thread_delete(tid1);
if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE) if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid2); rt_thread_delete(tid2);
if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE) if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid3); rt_thread_delete(tid3);
/* 执行事件对象脱离 */ /* 执行事件对象脱离 */
rt_event_detach(&event); rt_event_detach(&event);
/* 调度器解锁 */ /* 调度器解锁 */
rt_exit_critical(); rt_exit_critical();
/* 设置TestCase状态 */ /* 设置TestCase状态 */
tc_done(TC_STAT_PASSED); tc_done(TC_STAT_PASSED);
} }
int _tc_event_simple() int _tc_event_simple()
{ {
/* 设置TestCase清理回调函数 */ /* 设置TestCase清理回调函数 */
tc_cleanup(_tc_cleanup); tc_cleanup(_tc_cleanup);
event_simple_init(); event_simple_init();
/* 返回TestCase运行的最长时间 */ /* 返回TestCase运行的最长时间 */
return 100; return 100;
} }
/* 输出函数命令到finsh shell中 */ /* 输出函数命令到finsh shell中 */
FINSH_FUNCTION_EXPORT(_tc_event_simple, a simple event example); FINSH_FUNCTION_EXPORT(_tc_event_simple, a simple event example);
@ -145,8 +145,8 @@ FINSH_FUNCTION_EXPORT(_tc_event_simple, a simple event example);
/* 用户应用入口 */ /* 用户应用入口 */
int rt_application_init() int rt_application_init()
{ {
event_simple_init(); event_simple_init();
return 0; return 0;
} }
#endif #endif

70
examples/kernel/heap_malloc.c
View File

@ -7,68 +7,68 @@
static rt_bool_t mem_check(rt_uint8_t *ptr, rt_uint8_t value, rt_uint32_t len) static rt_bool_t mem_check(rt_uint8_t *ptr, rt_uint8_t value, rt_uint32_t len)
{ {
while (len) while (len)
{ {
if (*ptr != value) if (*ptr != value)
return RT_FALSE; return RT_FALSE;
ptr ++; ptr ++;
len --; len --;
} }
return RT_TRUE; return RT_TRUE;
} }
static void heap_malloc_init() static void heap_malloc_init()
{ {
rt_uint8_t res = TC_STAT_PASSED; rt_uint8_t res = TC_STAT_PASSED;
rt_uint8_t *ptr1, *ptr2, *ptr3, *ptr4, *ptr5; rt_uint8_t *ptr1, *ptr2, *ptr3, *ptr4, *ptr5;
ptr1 = rt_malloc(1); ptr1 = rt_malloc(1);
ptr2 = rt_malloc(13); ptr2 = rt_malloc(13);
ptr3 = rt_malloc(31); ptr3 = rt_malloc(31);
ptr4 = rt_malloc(127); ptr4 = rt_malloc(127);
ptr5 = rt_malloc(0); ptr5 = rt_malloc(0);
memset(ptr1, 1, 1); memset(ptr1, 1, 1);
memset(ptr2, 2, 13); memset(ptr2, 2, 13);
memset(ptr3, 3, 31); memset(ptr3, 3, 31);
memset(ptr4, 4, 127); memset(ptr4, 4, 127);
if (mem_check(ptr1, 1, 1) == RT_FALSE) if (mem_check(ptr1, 1, 1) == RT_FALSE)
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
if (mem_check(ptr2, 2, 13) == RT_FALSE) if (mem_check(ptr2, 2, 13) == RT_FALSE)
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
if (mem_check(ptr3, 3, 31) == RT_FALSE) if (mem_check(ptr3, 3, 31) == RT_FALSE)
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
if (mem_check(ptr4, 4, 127) == RT_FALSE) if (mem_check(ptr4, 4, 127) == RT_FALSE)
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
rt_free(ptr4); rt_free(ptr4);
rt_free(ptr3); rt_free(ptr3);
rt_free(ptr2); rt_free(ptr2);
rt_free(ptr1); rt_free(ptr1);
if (ptr5 != RT_NULL) if (ptr5 != RT_NULL)
{ {
rt_free(ptr5); rt_free(ptr5);
} }
tc_done(res); tc_done(res);
} }
#ifdef RT_USING_TC #ifdef RT_USING_TC
int _tc_heap_malloc() int _tc_heap_malloc()
{ {
heap_malloc_init(); heap_malloc_init();
return 0; return 0;
} }
FINSH_FUNCTION_EXPORT(_tc_heap_malloc, a heap malloc test); FINSH_FUNCTION_EXPORT(_tc_heap_malloc, a heap malloc test);
#else #else
int rt_application_init() int rt_application_init()
{ {
heap_malloc_init(); heap_malloc_init();
return 0; return 0;
} }
#endif #endif

90
examples/kernel/heap_realloc.c
View File

@ -7,96 +7,96 @@
static rt_bool_t mem_check(rt_uint8_t *ptr, rt_uint8_t value, rt_uint32_t len) static rt_bool_t mem_check(rt_uint8_t *ptr, rt_uint8_t value, rt_uint32_t len)
{ {
while (len) while (len)
{ {
if (*ptr != value) return RT_FALSE; if (*ptr != value) return RT_FALSE;
ptr ++; ptr ++;
len --; len --;
} }
return RT_TRUE; return RT_TRUE;
} }
static void heap_realloc_init() static void heap_realloc_init()
{ {
rt_uint8_t res = TC_STAT_PASSED; rt_uint8_t res = TC_STAT_PASSED;
rt_uint8_t *ptr1, *ptr2, *ptr3, *ptr4, *ptr5; rt_uint8_t *ptr1, *ptr2, *ptr3, *ptr4, *ptr5;
ptr1 = rt_malloc(1); ptr1 = rt_malloc(1);
ptr2 = rt_malloc(13); ptr2 = rt_malloc(13);
ptr3 = rt_malloc(31); ptr3 = rt_malloc(31);
ptr4 = rt_malloc(127); ptr4 = rt_malloc(127);
ptr5 = rt_malloc(0); ptr5 = rt_malloc(0);
memset(ptr1, 1, 1); memset(ptr1, 1, 1);
memset(ptr2, 2, 13); memset(ptr2, 2, 13);
memset(ptr3, 3, 31); memset(ptr3, 3, 31);
memset(ptr4, 4, 127); memset(ptr4, 4, 127);
if (mem_check(ptr1, 1, 1) == RT_FALSE) if (mem_check(ptr1, 1, 1) == RT_FALSE)
{ {
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
goto _free; goto _free;
} }
if (mem_check(ptr2, 2, 13) == RT_FALSE) if (mem_check(ptr2, 2, 13) == RT_FALSE)
{ {
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
goto _free; goto _free;
} }
if (mem_check(ptr3, 3, 31) == RT_FALSE) if (mem_check(ptr3, 3, 31) == RT_FALSE)
{ {
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
goto _free; goto _free;
} }
if (mem_check(ptr4, 4, 127) == RT_FALSE) if (mem_check(ptr4, 4, 127) == RT_FALSE)
{ {
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
goto _free; goto _free;
} }
ptr1 = rt_realloc(ptr1, 13); ptr1 = rt_realloc(ptr1, 13);
ptr2 = rt_realloc(ptr2, 31); ptr2 = rt_realloc(ptr2, 31);
ptr3 = rt_realloc(ptr3, 127); ptr3 = rt_realloc(ptr3, 127);
ptr4 = rt_realloc(ptr4, 1); ptr4 = rt_realloc(ptr4, 1);
ptr5 = rt_realloc(ptr5, 0); ptr5 = rt_realloc(ptr5, 0);
if (ptr5) if (ptr5)
{ {
rt_kprintf("realloc(ptr, 0) should return NULL\n"); rt_kprintf("realloc(ptr, 0) should return NULL\n");
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
} }
if (mem_check(ptr1, 1, 1) == RT_FALSE) if (mem_check(ptr1, 1, 1) == RT_FALSE)
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
if (mem_check(ptr2, 2, 13) == RT_FALSE) if (mem_check(ptr2, 2, 13) == RT_FALSE)
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
if (mem_check(ptr3, 3, 31) == RT_FALSE) if (mem_check(ptr3, 3, 31) == RT_FALSE)
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
if (mem_check(ptr4, 4, 1) == RT_FALSE) if (mem_check(ptr4, 4, 1) == RT_FALSE)
res = TC_STAT_FAILED; res = TC_STAT_FAILED;
_free: _free:
rt_free(ptr4); rt_free(ptr4);
rt_free(ptr3); rt_free(ptr3);
rt_free(ptr2); rt_free(ptr2);
rt_free(ptr1); rt_free(ptr1);
tc_done(res); tc_done(res);
} }
#ifdef RT_USING_TC #ifdef RT_USING_TC
int _tc_heap_realloc() int _tc_heap_realloc()
{ {
heap_realloc_init(); heap_realloc_init();
return 0; return 0;
} }
FINSH_FUNCTION_EXPORT(_tc_heap_realloc, a heap re-malloc test); FINSH_FUNCTION_EXPORT(_tc_heap_realloc, a heap re-malloc test);
#else #else
int rt_application_init() int rt_application_init()
{ {
heap_realloc_init(); heap_realloc_init();
return 0; return 0;
} }
#endif #endif

136
examples/kernel/mbox_send_wait.c
View File

@ -22,110 +22,110 @@ static char mb_str2[] = "this is another mail!";
/* 线程1入口 */ /* 线程1入口 */
static void thread1_entry(void* parameter) static void thread1_entry(void* parameter)
{ {
unsigned char* str; unsigned char* str;
while (1) while (1)
{ {
/* 从邮箱中收取邮件 */ /* 从邮箱中收取邮件 */
if (rt_mb_recv(&mb, (rt_uint32_t*)&str, RT_WAITING_FOREVER) == RT_EOK) if (rt_mb_recv(&mb, (rt_uint32_t*)&str, RT_WAITING_FOREVER) == RT_EOK)
{ {
rt_kprintf("thread1: get a mail from mailbox, the content:%s\n", str); rt_kprintf("thread1: get a mail from mailbox, the content:%s\n", str);
/* 延时20个OS Tick */ /* 延时20个OS Tick */
rt_thread_delay(50); rt_thread_delay(50);
} }
} }
} }
/* 线程2入口 */ /* 线程2入口 */
static void thread2_entry(void* parameter) static void thread2_entry(void* parameter)
{ {
rt_uint8_t count; rt_uint8_t count;
char *str; char *str;
count = 0; count = 0;
while (1) while (1)
{ {
count ++; count ++;
if (count & 0x1) if (count & 0x1)
{ {
/* 发送mb_str1地址到邮箱中 */ /* 发送mb_str1地址到邮箱中 */
str = mb_str1; str = mb_str1;
} }
else else
{ {
/* 发送mb_str2地址到邮箱中 */ /* 发送mb_str2地址到邮箱中 */
str = mb_str2; str = mb_str2;
} }
/* 不停的发送邮件，如果满了则等待10个tick，然后超时 */ /* 不停的发送邮件，如果满了则等待10个tick，然后超时 */
if( rt_mb_send_wait(&mb, (rt_uint32_t)str,10) == RT_EOK ) if( rt_mb_send_wait(&mb, (rt_uint32_t)str,10) == RT_EOK )
rt_kprintf("thread2: sent a mail to mailbox, the content:%s\n", str); rt_kprintf("thread2: sent a mail to mailbox, the content:%s\n", str);
else else
rt_kprintf("thread2: timeout while waiting to send a mail.\n"); rt_kprintf("thread2: timeout while waiting to send a mail.\n");
} }
} }
int mbox_send_wait_init() int mbox_send_wait_init()
{ {
/* 初始化一个mailbox */ /* 初始化一个mailbox */
rt_mb_init(&mb, rt_mb_init(&mb,
"mbt", /* 名称是mbt */ "mbt", /* 名称是mbt */
&mb_pool[0], /* 邮箱用到的内存池是mb_pool */ &mb_pool[0], /* 邮箱用到的内存池是mb_pool */
sizeof(mb_pool)/4, /* 大小是mb_pool大小除以4，因为一封邮件的大小是4字节 */ sizeof(mb_pool)/4, /* 大小是mb_pool大小除以4，因为一封邮件的大小是4字节 */
RT_IPC_FLAG_FIFO); /* 采用FIFO方式进行线程等待 */ RT_IPC_FLAG_FIFO); /* 采用FIFO方式进行线程等待 */
/* 创建线程1 */ /* 创建线程1 */
tid1 = rt_thread_create("t1", tid1 = rt_thread_create("t1",
thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */ thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid1 != RT_NULL) if (tid1 != RT_NULL)
rt_thread_startup(tid1); rt_thread_startup(tid1);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
/* 创建线程2 */ /* 创建线程2 */
tid2 = rt_thread_create("t2", tid2 = rt_thread_create("t2",
thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */ thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid2 != RT_NULL) if (tid2 != RT_NULL)
rt_thread_startup(tid2); rt_thread_startup(tid2);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
return 0; return 0;
} }
#ifdef RT_USING_TC #ifdef RT_USING_TC
static void _tc_cleanup() static void _tc_cleanup()
{ {
/* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */ /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
rt_enter_critical(); rt_enter_critical();
/* 删除线程 */ /* 删除线程 */
if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE) if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid1); rt_thread_delete(tid1);
if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE) if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid2); rt_thread_delete(tid2);
/* 执行邮箱对象脱离 */ /* 执行邮箱对象脱离 */
rt_mb_detach(&mb); rt_mb_detach(&mb);
/* 调度器解锁 */ /* 调度器解锁 */
rt_exit_critical(); rt_exit_critical();
/* 设置TestCase状态 */ /* 设置TestCase状态 */
tc_done(TC_STAT_PASSED); tc_done(TC_STAT_PASSED);
} }
int _tc_mbox_send_wait() int _tc_mbox_send_wait()
{ {
/* 设置TestCase清理回调函数 */ /* 设置TestCase清理回调函数 */
tc_cleanup(_tc_cleanup); tc_cleanup(_tc_cleanup);
mbox_send_wait_init(); mbox_send_wait_init();
/* 返回TestCase运行的最长时间 */ /* 返回TestCase运行的最长时间 */
return 300; return 300;
} }
/* 输出函数命令到finsh shell中 */ /* 输出函数命令到finsh shell中 */
FINSH_FUNCTION_EXPORT(_tc_mbox_send_wait, a example of mailbox send wait); FINSH_FUNCTION_EXPORT(_tc_mbox_send_wait, a example of mailbox send wait);
@ -133,9 +133,9 @@ FINSH_FUNCTION_EXPORT(_tc_mbox_send_wait, a example of mailbox send wait);
/* 用户应用入口 */ /* 用户应用入口 */
int rt_application_init() int rt_application_init()
{ {
mbox_send_wait_init(); mbox_send_wait_init();
return 0; return 0;
} }
#endif #endif

146
examples/kernel/mbox_simple.c
View File

@ -22,108 +22,108 @@ static char mb_str2[] = "this is another mail!";
/* 线程1入口 */ /* 线程1入口 */
static void thread1_entry(void* parameter) static void thread1_entry(void* parameter)
{ {
unsigned char* str; unsigned char* str;
while (1) while (1)
{ {
rt_kprintf("thread1: try to recv a mail\n"); rt_kprintf("thread1: try to recv a mail\n");
/* 从邮箱中收取邮件 */ /* 从邮箱中收取邮件 */
if (rt_mb_recv(&mb, (rt_uint32_t*)&str, RT_WAITING_FOREVER) == RT_EOK) if (rt_mb_recv(&mb, (rt_uint32_t*)&str, RT_WAITING_FOREVER) == RT_EOK)
{ {
rt_kprintf("thread1: get a mail from mailbox, the content:%s\n", str); rt_kprintf("thread1: get a mail from mailbox, the content:%s\n", str);
/* 延时10个OS Tick */ /* 延时10个OS Tick */
rt_thread_delay(10); rt_thread_delay(10);
} }
} }
} }
/* 线程2入口 */ /* 线程2入口 */
static void thread2_entry(void* parameter) static void thread2_entry(void* parameter)
{ {
rt_uint8_t count; rt_uint8_t count;
count = 0; count = 0;
while (1) while (1)
{ {
count ++; count ++;
if (count & 0x1) if (count & 0x1)
{ {
/* 发送mb_str1地址到邮箱中 */ /* 发送mb_str1地址到邮箱中 */
rt_mb_send(&mb, (rt_uint32_t)&mb_str1[0]); rt_mb_send(&mb, (rt_uint32_t)&mb_str1[0]);
} }
else else
{ {
/* 发送mb_str2地址到邮箱中 */ /* 发送mb_str2地址到邮箱中 */
rt_mb_send(&mb, (rt_uint32_t)&mb_str2[0]); rt_mb_send(&mb, (rt_uint32_t)&mb_str2[0]);
} }
/* 延时20个OS Tick */ /* 延时20个OS Tick */
rt_thread_delay(20); rt_thread_delay(20);
} }
} }
int mbox_simple_init() int mbox_simple_init()
{ {
/* 初始化一个mailbox */ /* 初始化一个mailbox */
rt_mb_init(&mb, rt_mb_init(&mb,
"mbt", /* 名称是mbt */ "mbt", /* 名称是mbt */
&mb_pool[0], /* 邮箱用到的内存池是mb_pool */ &mb_pool[0], /* 邮箱用到的内存池是mb_pool */
sizeof(mb_pool)/4, /* 大小是mb_pool大小除以4，因为一封邮件的大小是4字节 */ sizeof(mb_pool)/4, /* 大小是mb_pool大小除以4，因为一封邮件的大小是4字节 */
RT_IPC_FLAG_FIFO); /* 采用FIFO方式进行线程等待 */ RT_IPC_FLAG_FIFO); /* 采用FIFO方式进行线程等待 */
/* 创建线程1 */ /* 创建线程1 */
tid1 = rt_thread_create("t1", tid1 = rt_thread_create("t1",
thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */ thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid1 != RT_NULL) if (tid1 != RT_NULL)
rt_thread_startup(tid1); rt_thread_startup(tid1);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
/* 创建线程2 */ /* 创建线程2 */
tid2 = rt_thread_create("t2", tid2 = rt_thread_create("t2",
thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */ thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid2 != RT_NULL) if (tid2 != RT_NULL)
rt_thread_startup(tid2); rt_thread_startup(tid2);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
return 0; return 0;
} }
#ifdef RT_USING_TC #ifdef RT_USING_TC
static void _tc_cleanup() static void _tc_cleanup()
{ {
/* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */ /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
rt_enter_critical(); rt_enter_critical();
/* 删除线程 */ /* 删除线程 */
if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE) if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid1); rt_thread_delete(tid1);
if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE) if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid2); rt_thread_delete(tid2);
/* 执行邮箱对象脱离 */ /* 执行邮箱对象脱离 */
rt_mb_detach(&mb); rt_mb_detach(&mb);
/* 调度器解锁 */ /* 调度器解锁 */
rt_exit_critical(); rt_exit_critical();
/* 设置TestCase状态 */ /* 设置TestCase状态 */
tc_done(TC_STAT_PASSED); tc_done(TC_STAT_PASSED);
} }
int _tc_mbox_simple() int _tc_mbox_simple()
{ {
/* 设置TestCase清理回调函数 */ /* 设置TestCase清理回调函数 */
tc_cleanup(_tc_cleanup); tc_cleanup(_tc_cleanup);
mbox_simple_init(); mbox_simple_init();
/* 返回TestCase运行的最长时间 */ /* 返回TestCase运行的最长时间 */
return 100; return 100;
} }
/* 输出函数命令到finsh shell中 */ /* 输出函数命令到finsh shell中 */
FINSH_FUNCTION_EXPORT(_tc_mbox_simple, a simple mailbox example); FINSH_FUNCTION_EXPORT(_tc_mbox_simple, a simple mailbox example);
@ -131,8 +131,8 @@ FINSH_FUNCTION_EXPORT(_tc_mbox_simple, a simple mailbox example);
/* 用户应用入口 */ /* 用户应用入口 */
int rt_application_init() int rt_application_init()
{ {
mbox_simple_init(); mbox_simple_init();
return 0; return 0;
} }
#endif #endif

156
examples/kernel/memp_simple.c
View File

@ -18,115 +18,115 @@ static rt_thread_t tid2 = RT_NULL;
/* 线程1入口 */ /* 线程1入口 */
static void thread1_entry(void* parameter) static void thread1_entry(void* parameter)
{ {
int i; int i;
char *block; char *block;
while(1) while(1)
{ {
for (i = 0; i < 48; i++) for (i = 0; i < 48; i++)
{ {
/* 申请内存块 */ /* 申请内存块 */
rt_kprintf("allocate No.%d\n", i); rt_kprintf("allocate No.%d\n", i);
if (ptr[i] == RT_NULL) if (ptr[i] == RT_NULL)
{ {
ptr[i] = rt_mp_alloc(&mp, RT_WAITING_FOREVER); ptr[i] = rt_mp_alloc(&mp, RT_WAITING_FOREVER);
} }
} }
/* 继续申请一个内存块，因为已经没有内存块，线程应该被挂起 */ /* 继续申请一个内存块，因为已经没有内存块，线程应该被挂起 */
block = rt_mp_alloc(&mp, RT_WAITING_FOREVER); block = rt_mp_alloc(&mp, RT_WAITING_FOREVER);
rt_kprintf("allocate the block mem\n"); rt_kprintf("allocate the block mem\n");
/* 释放这个内存块 */ /* 释放这个内存块 */
rt_mp_free(block); rt_mp_free(block);
block = RT_NULL; block = RT_NULL;
} }
} }
/* 线程2入口，线程2的优先级比线程1低，应该线程1先获得执行。*/ /* 线程2入口，线程2的优先级比线程1低，应该线程1先获得执行。*/
static void thread2_entry(void *parameter) static void thread2_entry(void *parameter)
{ {
int i; int i;
while(1) while(1)
{ {
rt_kprintf("try to release block\n"); rt_kprintf("try to release block\n");
for (i = 0 ; i < 48; i ++) for (i = 0 ; i < 48; i ++)
{ {
/* 释放所有分配成功的内存块 */ /* 释放所有分配成功的内存块 */
if (ptr[i] != RT_NULL) if (ptr[i] != RT_NULL)
{ {
rt_kprintf("release block %d\n", i); rt_kprintf("release block %d\n", i);
rt_mp_free(ptr[i]); rt_mp_free(ptr[i]);
ptr[i] = RT_NULL; ptr[i] = RT_NULL;
} }
} }
/* 休眠10个OS Tick */ /* 休眠10个OS Tick */
rt_thread_delay(10); rt_thread_delay(10);
} }
} }
int mempool_simple_init() int mempool_simple_init()
{ {
int i; int i;
for (i = 0; i < 48; i ++) ptr[i] = RT_NULL; for (i = 0; i < 48; i ++) ptr[i] = RT_NULL;
/* 初始化内存池对象 */ /* 初始化内存池对象 */
rt_mp_init(&mp, "mp1", &mempool[0], sizeof(mempool), 80); rt_mp_init(&mp, "mp1", &mempool[0], sizeof(mempool), 80);
/* 创建线程1 */ /* 创建线程1 */
tid1 = rt_thread_create("t1", tid1 = rt_thread_create("t1",
thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */ thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid1 != RT_NULL) if (tid1 != RT_NULL)
rt_thread_startup(tid1); rt_thread_startup(tid1);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
/* 创建线程2 */ /* 创建线程2 */
tid2 = rt_thread_create("t2", tid2 = rt_thread_create("t2",
thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */ thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY + 1, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY + 1, THREAD_TIMESLICE);
if (tid2 != RT_NULL) if (tid2 != RT_NULL)
rt_thread_startup(tid2); rt_thread_startup(tid2);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
return 0; return 0;
} }
#ifdef RT_USING_TC #ifdef RT_USING_TC
static void _tc_cleanup() static void _tc_cleanup()
{ {
/* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */ /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
rt_enter_critical(); rt_enter_critical();
/* 删除线程 */ /* 删除线程 */
if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE) if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid1); rt_thread_delete(tid1);
if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE) if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid2); rt_thread_delete(tid2);
/* 执行内存池脱离 */ /* 执行内存池脱离 */
rt_mp_detach(&mp); rt_mp_detach(&mp);
/* 调度器解锁 */ /* 调度器解锁 */
rt_exit_critical(); rt_exit_critical();
/* 设置TestCase状态 */ /* 设置TestCase状态 */
tc_done(TC_STAT_PASSED); tc_done(TC_STAT_PASSED);
} }
int _tc_mempool_simple() int _tc_mempool_simple()
{ {
/* 设置TestCase清理回调函数 */ /* 设置TestCase清理回调函数 */
tc_cleanup(_tc_cleanup); tc_cleanup(_tc_cleanup);
mempool_simple_init(); mempool_simple_init();
/* 返回TestCase运行的最长时间 */ /* 返回TestCase运行的最长时间 */
return 100; return 100;
} }
/* 输出函数命令到finsh shell中 */ /* 输出函数命令到finsh shell中 */
FINSH_FUNCTION_EXPORT(_tc_mempool_simple, a memory pool example); FINSH_FUNCTION_EXPORT(_tc_mempool_simple, a memory pool example);
@ -134,8 +134,8 @@ FINSH_FUNCTION_EXPORT(_tc_mempool_simple, a memory pool example);
/* 用户应用入口 */ /* 用户应用入口 */
int rt_application_init() int rt_application_init()
{ {
mempool_simple_init(); mempool_simple_init();
return 0; return 0;
} }
#endif #endif

188
examples/kernel/messageq_simple.c
View File

@ -20,139 +20,139 @@ static char msg_pool[2048];
/* 线程1入口函数 */ /* 线程1入口函数 */
static void thread1_entry(void* parameter) static void thread1_entry(void* parameter)
{ {
char buf[128]; char buf[128];
while (1) while (1)
{ {
rt_memset(&buf[0], 0, sizeof(buf)); rt_memset(&buf[0], 0, sizeof(buf));
/* 从消息队列中接收消息 */ /* 从消息队列中接收消息 */
if (rt_mq_recv(&mq, &buf[0], sizeof(buf), RT_WAITING_FOREVER) == RT_EOK) if (rt_mq_recv(&mq, &buf[0], sizeof(buf), RT_WAITING_FOREVER) == RT_EOK)
{ {
rt_kprintf("thread1: recv msg from message queue, the content:%s\n", buf); rt_kprintf("thread1: recv msg from message queue, the content:%s\n", buf);
} }
/* 延迟10个OS Tick */ /* 延迟10个OS Tick */
rt_thread_delay(10); rt_thread_delay(10);
} }
} }
/* 线程2入口函数 */ /* 线程2入口函数 */
static void thread2_entry(void* parameter) static void thread2_entry(void* parameter)
{ {
int i, result; int i, result;
char buf[] = "this is message No.x"; char buf[] = "this is message No.x";
while (1) while (1)
{ {
for (i = 0; i < 10; i++) for (i = 0; i < 10; i++)
{ {
buf[sizeof(buf) - 2] = '0' + i; buf[sizeof(buf) - 2] = '0' + i;
rt_kprintf("thread2: send message - %s\n", buf); rt_kprintf("thread2: send message - %s\n", buf);
/* 发送消息到消息队列中 */ /* 发送消息到消息队列中 */
result = rt_mq_send(&mq, &buf[0], sizeof(buf)); result = rt_mq_send(&mq, &buf[0], sizeof(buf));
if ( result == -RT_EFULL) if ( result == -RT_EFULL)
{ {
/* 消息队列满， 延迟1s时间 */ /* 消息队列满， 延迟1s时间 */
rt_kprintf("message queue full, delay 1s\n"); rt_kprintf("message queue full, delay 1s\n");
rt_thread_delay(100); rt_thread_delay(100);
} }
} }
/* 延时10个OS Tick */ /* 延时10个OS Tick */
rt_thread_delay(10); rt_thread_delay(10);
} }
} }
/* 线程3入口函数 */ /* 线程3入口函数 */
static void thread3_entry(void* parameter) static void thread3_entry(void* parameter)
{ {
char buf[] = "this is an urgent message!"; char buf[] = "this is an urgent message!";
while (1) while (1)
{ {
rt_kprintf("thread3: send an urgent message\n"); rt_kprintf("thread3: send an urgent message\n");
/* 发送紧急消息到消息队列中 */ /* 发送紧急消息到消息队列中 */
rt_mq_urgent(&mq, &buf[0], sizeof(buf)); rt_mq_urgent(&mq, &buf[0], sizeof(buf));
/* 延时25个OS Tick */ /* 延时25个OS Tick */
rt_thread_delay(25); rt_thread_delay(25);
} }
} }
int messageq_simple_init() int messageq_simple_init()
{ {
/* 初始化消息队列 */ /* 初始化消息队列 */
rt_mq_init(&mq, "mqt", rt_mq_init(&mq, "mqt",
&msg_pool[0], /* 内存池指向msg_pool */ &msg_pool[0], /* 内存池指向msg_pool */
128 - sizeof(void*), /* 每个消息的大小是 128 - void* */ 128 - sizeof(void*), /* 每个消息的大小是 128 - void* */
sizeof(msg_pool), /* 内存池的大小是msg_pool的大小 */ sizeof(msg_pool), /* 内存池的大小是msg_pool的大小 */
RT_IPC_FLAG_FIFO); /* 如果有多个线程等待，按照先来先得到的方法分配消息 */ RT_IPC_FLAG_FIFO); /* 如果有多个线程等待，按照先来先得到的方法分配消息 */
/* 创建线程1 */ /* 创建线程1 */
tid1 = rt_thread_create("t1", tid1 = rt_thread_create("t1",
thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */ thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid1 != RT_NULL) if (tid1 != RT_NULL)
rt_thread_startup(tid1); rt_thread_startup(tid1);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
/* 创建线程2 */ /* 创建线程2 */
tid2 = rt_thread_create("t2", tid2 = rt_thread_create("t2",
thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */ thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid2 != RT_NULL) if (tid2 != RT_NULL)
rt_thread_startup(tid2); rt_thread_startup(tid2);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
/* 创建线程3 */ /* 创建线程3 */
tid3 = rt_thread_create("t3", tid3 = rt_thread_create("t3",
thread3_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */ thread3_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid3 != RT_NULL) if (tid3 != RT_NULL)
rt_thread_startup(tid3); rt_thread_startup(tid3);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
return 0; return 0;
} }
#ifdef RT_USING_TC #ifdef RT_USING_TC
static void _tc_cleanup() static void _tc_cleanup()
{ {
/* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */ /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
rt_enter_critical(); rt_enter_critical();
/* 删除线程 */ /* 删除线程 */
if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE) if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid1); rt_thread_delete(tid1);
if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE) if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid2); rt_thread_delete(tid2);
if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE) if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid3); rt_thread_delete(tid3);
/* 执行消息队列对象脱离 */ /* 执行消息队列对象脱离 */
rt_mq_detach(&mq); rt_mq_detach(&mq);
/* 调度器解锁 */ /* 调度器解锁 */
rt_exit_critical(); rt_exit_critical();
/* 设置TestCase状态 */ /* 设置TestCase状态 */
tc_done(TC_STAT_PASSED); tc_done(TC_STAT_PASSED);
} }
int _tc_messageq_simple() int _tc_messageq_simple()
{ {
/* 设置TestCase清理回调函数 */ /* 设置TestCase清理回调函数 */
tc_cleanup(_tc_cleanup); tc_cleanup(_tc_cleanup);
messageq_simple_init(); messageq_simple_init();
/* 返回TestCase运行的最长时间 */ /* 返回TestCase运行的最长时间 */
return 100; return 100;
} }
/* 输出函数命令到finsh shell中 */ /* 输出函数命令到finsh shell中 */
FINSH_FUNCTION_EXPORT(_tc_messageq_simple, a simple message queue example); FINSH_FUNCTION_EXPORT(_tc_messageq_simple, a simple message queue example);
@ -160,8 +160,8 @@ FINSH_FUNCTION_EXPORT(_tc_messageq_simple, a simple message queue example);
/* 用户应用入口 */ /* 用户应用入口 */
int rt_application_init() int rt_application_init()
{ {
messageq_simple_init(); messageq_simple_init();
return 0; return 0;
} }
#endif #endif

196
examples/kernel/mutex_simple.c
View File

@ -13,142 +13,142 @@ static rt_mutex_t mutex = RT_NULL;
/* 线程1入口 */ /* 线程1入口 */
static void thread1_entry(void* parameter) static void thread1_entry(void* parameter)
{ {
/* 先让低优先级线程运行 */ /* 先让低优先级线程运行 */
rt_thread_delay(10); rt_thread_delay(10);
/* 此时thread3持有mutex，并且thread2等待持有mutex */ /* 此时thread3持有mutex，并且thread2等待持有mutex */
/* 检查thread2与thread3的优先级情况 */ /* 检查thread2与thread3的优先级情况 */
if (tid2->current_priority != tid3->current_priority) if (tid2->current_priority != tid3->current_priority)
{ {
/* 优先级不相同，测试失败 */ /* 优先级不相同，测试失败 */
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
return; return;
} }
} }
/* 线程2入口 */ /* 线程2入口 */
static void thread2_entry(void* parameter) static void thread2_entry(void* parameter)
{ {
rt_err_t result; rt_err_t result;
/* 先让低优先级线程运行 */ /* 先让低优先级线程运行 */
rt_thread_delay(5); rt_thread_delay(5);
while (1) while (1)
{ {
/* /*
* 试图持有互斥锁，此时thread3持有，应把thread3的优先级提升到thread2相同 * 试图持有互斥锁，此时thread3持有，应把thread3的优先级提升到thread2相同
* 的优先级 * 的优先级
*/ */
result = rt_mutex_take(mutex, RT_WAITING_FOREVER); result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
if (result == RT_EOK) if (result == RT_EOK)
{ {
/* 释放互斥锁 */ /* 释放互斥锁 */
rt_mutex_release(mutex); rt_mutex_release(mutex);
} }
} }
} }
/* 线程3入口 */ /* 线程3入口 */
static void thread3_entry(void* parameter) static void thread3_entry(void* parameter)
{ {
rt_tick_t tick; rt_tick_t tick;
rt_err_t result; rt_err_t result;
while (1) while (1)
{ {
result = rt_mutex_take(mutex, RT_WAITING_FOREVER); result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
result = rt_mutex_take(mutex, RT_WAITING_FOREVER); result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
if (result != RT_EOK) if (result != RT_EOK)
{ {
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
} }
/* 做一个长时间的循环，总共50个OS Tick */ /* 做一个长时间的循环，总共50个OS Tick */
tick = rt_tick_get(); tick = rt_tick_get();
while (rt_tick_get() - tick < 50) ; while (rt_tick_get() - tick < 50) ;
rt_mutex_release(mutex); rt_mutex_release(mutex);
rt_mutex_release(mutex); rt_mutex_release(mutex);
} }
} }
int mutex_simple_init() int mutex_simple_init()
{ {
/* 创建互斥锁 */ /* 创建互斥锁 */
mutex = rt_mutex_create("mutex", RT_IPC_FLAG_FIFO); mutex = rt_mutex_create("mutex", RT_IPC_FLAG_FIFO);
if (mutex == RT_NULL) if (mutex == RT_NULL)
{ {
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
return 0; return 0;
} }
/* 创建线程1 */ /* 创建线程1 */
tid1 = rt_thread_create("t1", tid1 = rt_thread_create("t1",
thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */ thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY - 1, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY - 1, THREAD_TIMESLICE);
if (tid1 != RT_NULL) if (tid1 != RT_NULL)
rt_thread_startup(tid1); rt_thread_startup(tid1);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
/* 创建线程2 */ /* 创建线程2 */
tid2 = rt_thread_create("t2", tid2 = rt_thread_create("t2",
thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */ thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid2 != RT_NULL) if (tid2 != RT_NULL)
rt_thread_startup(tid2); rt_thread_startup(tid2);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
/* 创建线程3 */ /* 创建线程3 */
tid3 = rt_thread_create("t3", tid3 = rt_thread_create("t3",
thread3_entry, RT_NULL, /* 线程入口是thread3_entry, 入口参数是RT_NULL */ thread3_entry, RT_NULL, /* 线程入口是thread3_entry, 入口参数是RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY + 1, THREAD_TIMESLICE); THREAD_STACK_SIZE, THREAD_PRIORITY + 1, THREAD_TIMESLICE);
if (tid3 != RT_NULL) if (tid3 != RT_NULL)
rt_thread_startup(tid3); rt_thread_startup(tid3);
else else
tc_stat(TC_STAT_END | TC_STAT_FAILED); tc_stat(TC_STAT_END | TC_STAT_FAILED);
return 0; return 0;
} }
#ifdef RT_USING_TC #ifdef RT_USING_TC
static void _tc_cleanup() static void _tc_cleanup()
{ {
/* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */ /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */
rt_enter_critical(); rt_enter_critical();
/* 删除线程 */ /* 删除线程 */
if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE) if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid1); rt_thread_delete(tid1);
if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE) if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid2); rt_thread_delete(tid2);
if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE) if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid3); rt_thread_delete(tid3);
if (mutex != RT_NULL) if (mutex != RT_NULL)
{ {
rt_mutex_delete(mutex); rt_mutex_delete(mutex);
} }
/* 调度器解锁 */ /* 调度器解锁 */
rt_exit_critical(); rt_exit_critical();
/* 设置TestCase状态 */ /* 设置TestCase状态 */
tc_done(TC_STAT_PASSED); tc_done(TC_STAT_PASSED);
} }
int _tc_mutex_simple() int _tc_mutex_simple()
{ {
/* 设置TestCase清理回调函数 */ /* 设置TestCase清理回调函数 */
tc_cleanup(_tc_cleanup); tc_cleanup(_tc_cleanup);
mutex_simple_init(); mutex_simple_init();
/* 返回TestCase运行的最长时间 */ /* 返回TestCase运行的最长时间 */
return 100; return 100;
} }
/* 输出函数命令到finsh shell中 */ /* 输出函数命令到finsh shell中 */
FINSH_FUNCTION_EXPORT(_tc_mutex_simple, sime mutex example); FINSH_FUNCTION_EXPORT(_tc_mutex_simple, sime mutex example);
@ -156,8 +156,8 @@ FINSH_FUNCTION_EXPORT(_tc_mutex_simple, sime mutex example);
/* 用户应用入口 */ /* 用户应用入口 */
int rt_application_init() int rt_application_init()
{ {
mutex_simple_init(); mutex_simple_init();
return 0; return 0;
} }
#endif #endif