stm32-ucos移植lwip-1（raw）

之前在裸机环境下移植了lwip，功能还是很强大的，但是就我看来，这和uip其实差别也不大，其实lwip更强大的功能需要在操作系统之下才能发挥出来，今天就来做这个

首先我们需要移植操作系统，系统选择ucos2.91，移植过程网上都有，我就写点不同的

配置文件修改如下

/* ---------------------- MISCELLANEOUS ----------------------- */

#define OS_APP_HOOKS_EN 0u /* Application-defined hooks are called from the uC/OS-II hooks */

#define OS_ARG_CHK_EN 0u /* Enable (1) or Disable (0) argument checking */

#define OS_CPU_HOOKS_EN 1u /* uC/OS-II hooks are found in the processor port files */

#define OS_DEBUG_EN 0u /* Enable(1) debug variables */

#define OS_EVENT_MULTI_EN 0u /* Include code for OSEventPendMulti() */

#define OS_EVENT_NAME_EN 0u /* Enable names for Sem, Mutex, Mbox and Q */

#define OS_LOWEST_PRIO 63u /* Defines the lowest priority that can be assigned ... */

/* ... MUST NEVER be higher than 254! */

#define OS_MAX_EVENTS 10u /* Max. number of event control blocks in your application */

#define OS_MAX_FLAGS 5u /* Max. number of Event Flag Groups in your application */

#define OS_MAX_MEM_PART 0u /* Max. number of memory partitions */

#define OS_MAX_QS 5u /* Max. number of queue control blocks in your application */

#define OS_MAX_TASKS 10u /* Max. number of tasks in your application, MUST be >= 2 */

#define OS_SCHED_LOCK_EN 1u /* Include code for OSSchedLock() and OSSchedUnlock() */

#define OS_TICK_STEP_EN 1u /* Enable tick stepping feature for uC/OS-View */

#define OS_TICKS_PER_SEC 200u /* Set the number of ticks in one second 1000/200 = 5 5ms中断一次 */

/* --------------------- TASK STACK SIZE ---------------------- */

#define OS_TASK_TMR_STK_SIZE 128u /* Timer task stack size (# of OS_STK wide entries) */

#define OS_TASK_STAT_STK_SIZE 128u /* Statistics task stack size (# of OS_STK wide entries) */

#define OS_TASK_IDLE_STK_SIZE 128u /* Idle task stack size (# of OS_STK wide entries) */

/* --------------------- TASK MANAGEMENT ---------------------- */

#define OS_TASK_CHANGE_PRIO_EN 1u /* Include code for OSTaskChangePrio() */

#define OS_TASK_CREATE_EN 1u /* Include code for OSTaskCreate() */

#define OS_TASK_CREATE_EXT_EN 1u /* Include code for OSTaskCreateExt() */

#define OS_TASK_DEL_EN 1u /* Include code for OSTaskDel() */

#define OS_TASK_NAME_EN 1u /* Enable task names */

#define OS_TASK_PROFILE_EN 1u /* Include variables in OS_TCB for profiling */

#define OS_TASK_QUERY_EN 1u /* Include code for OSTaskQuery() */

#define OS_TASK_REG_TBL_SIZE 1u /* Size of task variables array (#of INT32U entries) */

#define OS_TASK_STAT_EN 1u /* Enable (1) or Disable(0) the statistics task */

#define OS_TASK_STAT_STK_CHK_EN 1u /* Check task stacks from statistic task */

#define OS_TASK_SUSPEND_EN 1u /* Include code for OSTaskSuspend() and OSTaskResume() */

#define OS_TASK_SW_HOOK_EN 1u /* Include code for OSTaskSwHook() */

/* ----------------------- EVENT FLAGS ------------------------ */

#define OS_FLAG_EN 1u /* Enable (1) or Disable (0) code generation for EVENT FLAGS */

#define OS_FLAG_ACCEPT_EN 1u /* Include code for OSFlagAccept() */

#define OS_FLAG_DEL_EN 1u /* Include code for OSFlagDel() */

#define OS_FLAG_NAME_EN 1u /* Enable names for event flag group */

#define OS_FLAG_QUERY_EN 1u /* Include code for OSFlagQuery() */

#define OS_FLAG_WAIT_CLR_EN 1u /* Include code for Wait on Clear EVENT FLAGS */

#define OS_FLAGS_NBITS 16u /* Size in #bits of OS_FLAGS data type (8, 16 or 32) */

/* -------------------- MESSAGE MAILBOXES --------------------- */

#define OS_MBOX_EN 1u /* Enable (1) or Disable (0) code generation for MAILBOXES */

#define OS_MBOX_ACCEPT_EN 1u /* Include code for OSMboxAccept() */

#define OS_MBOX_DEL_EN 1u /* Include code for OSMboxDel() */

#define OS_MBOX_PEND_ABORT_EN 1u /* Include code for OSMboxPendAbort() */

#define OS_MBOX_POST_EN 1u /* Include code for OSMboxPost() */

#define OS_MBOX_POST_OPT_EN 1u /* Include code for OSMboxPostOpt() */

#define OS_MBOX_QUERY_EN 1u /* Include code for OSMboxQuery() */

/* --------------------- MEMORY MANAGEMENT -------------------- */

#define OS_MEM_EN 1u /* Enable (1) or Disable (0) code generation for MEMORY MANAGER */

#define OS_MEM_NAME_E