tmk_core/tool/mbed/mbed-sdk/libraries/net/lwip/lwip-sys/arch/sys_arch.h

   1 /* Copyright (C) 2012 mbed.org, MIT License
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
   4  * and associated documentation files (the "Software"), to deal in the Software without restriction,
   5  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
   6  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
   7  * furnished to do so, subject to the following conditions:
   8  *
   9  * The above copyright notice and this permission notice shall be included in all copies or
  10  * substantial portions of the Software.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
  13  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  14  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  15  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  16  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  17  */
  18 #ifndef __ARCH_SYS_ARCH_H__
  19 #define __ARCH_SYS_ARCH_H__
  20
  21 #include "lwip/opt.h"
  22
  23 #if NO_SYS == 0
  24 #include "cmsis_os.h"
  25
  26 // === SEMAPHORE ===
  27 typedef struct {
  28     osSemaphoreId    id;
  29     osSemaphoreDef_t def;
  30 #ifdef CMSIS_OS_RTX
  31     uint32_t         data[2];
  32 #endif
  33 } sys_sem_t;
  34
  35 #define sys_sem_valid(x)        (((*x).id == NULL) ? 0 : 1)
  36 #define sys_sem_set_invalid(x)  ( (*x).id = NULL)
  37
  38 // === MUTEX ===
  39 typedef struct {
  40     osMutexId    id;
  41     osMutexDef_t def;
  42 #ifdef CMSIS_OS_RTX
  43     int32_t      data[3];
  44 #endif
  45 } sys_mutex_t;
  46
  47 // === MAIL BOX ===
  48 #define MB_SIZE      8
  49
  50 typedef struct {
  51     osMessageQId    id;
  52     osMessageQDef_t def;
  53 #ifdef CMSIS_OS_RTX
  54     uint32_t        queue[4+MB_SIZE]; /* The +4 is required for RTX OS_MCB overhead. */
  55 #endif
  56 } sys_mbox_t;
  57
  58 #define SYS_MBOX_NULL               ((uint32_t) NULL)
  59 #define sys_mbox_valid(x)           (((*x).id == NULL) ? 0 : 1 )
  60 #define sys_mbox_set_invalid(x)     ( (*x).id = NULL )
  61
  62 #if ((DEFAULT_RAW_RECVMBOX_SIZE) > (MB_SIZE)) || \
  63     ((DEFAULT_UDP_RECVMBOX_SIZE) > (MB_SIZE)) || \
  64     ((DEFAULT_TCP_RECVMBOX_SIZE) > (MB_SIZE)) || \
  65     ((DEFAULT_ACCEPTMBOX_SIZE)   > (MB_SIZE)) || \
  66     ((TCPIP_MBOX_SIZE)           > (MB_SIZE))
  67 #   error Mailbox size not supported
  68 #endif
  69
  70 // === THREAD ===
  71 typedef struct {
  72     osThreadId    id;
  73     osThreadDef_t def;
  74 } sys_thread_data_t;
  75 typedef sys_thread_data_t* sys_thread_t;
  76
  77 #define SYS_THREAD_POOL_N                   6
  78 #define SYS_DEFAULT_THREAD_STACK_DEPTH      DEFAULT_STACK_SIZE
  79
  80 // === PROTECTION ===
  81 typedef int sys_prot_t;
  82
  83 #else
  84 #ifdef  __cplusplus
  85 extern "C" {
  86 #endif
  87
  88 /** \brief  Init systick to 1ms rate
  89  *
  90  *  This init the systick to 1ms rate. This function is only used in standalone
  91  *  systems.
  92  */
  93 void SysTick_Init(void);
  94
  95
  96 /** \brief  Get the current systick time in milliSeconds
  97  *
  98  *  Returns the current systick time in milliSeconds. This function is only
  99  *  used in standalone systems.
 100  *
 101  *  /returns current systick time in milliSeconds
 102  */
 103 uint32_t SysTick_GetMS(void);
 104
 105 /** \brief  Delay for the specified number of milliSeconds
 106  *
 107  *  For standalone systems. This function will block for the specified
 108  *  number of milliSconds. For RTOS based systems, this function will delay
 109  *  the task by the specified number of milliSeconds.
 110  *
 111  *  \param[in]  ms Time in milliSeconds to delay
 112  */
 113 void osDelay(uint32_t ms);
 114
 115 #ifdef  __cplusplus
 116 }
 117 #endif
 118 #endif
 119
 120 #endif /* __ARCH_SYS_ARCH_H__ */