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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 #include "mbed_rtos_storage.h"
23 
24 #include <stdbool.h>
25 
26 extern u8_t lwip_ram_heap[];
27 
28 #if NO_SYS == 0
29 #include "cmsis_os2.h"
30 
31 // === SEMAPHORE ===
32 typedef struct {
33  osSemaphoreId_t id;
34  osSemaphoreAttr_t attr;
35  mbed_rtos_storage_semaphore_t data;
36 } sys_sem_t;
37 
38 #define sys_sem_valid(x) (((*x).id == NULL) ? 0 : 1)
39 #define sys_sem_set_invalid(x) ( (*x).id = NULL)
40 
41 // === MUTEX ===
42 typedef struct {
43  osMutexId_t id;
44  osMutexAttr_t attr;
45  mbed_rtos_storage_mutex_t data;
46 } sys_mutex_t;
47 
48 // === MAIL BOX ===
49 #define MB_SIZE MBED_CONF_LWIP_MBOX_SIZE
50 
51 typedef struct {
52  osEventFlagsId_t id;
53  osEventFlagsAttr_t attr;
54  mbed_rtos_storage_event_flags_t data;
55 
56  uint8_t post_idx;
57  uint8_t fetch_idx;
58  void* queue[MB_SIZE];
59 } sys_mbox_t;
60 
61 #define SYS_MBOX_FETCH_EVENT 0x1
62 #define SYS_MBOX_POST_EVENT 0x2
63 
64 #define SYS_MBOX_NULL ((uint32_t) NULL)
65 #define sys_mbox_valid(x) (((*x).id == NULL) ? 0 : 1)
66 #define sys_mbox_set_invalid(x) ( (*x).id = NULL)
67 
68 #if ((DEFAULT_RAW_RECVMBOX_SIZE) > (MB_SIZE)) || \
69  ((DEFAULT_UDP_RECVMBOX_SIZE) > (MB_SIZE)) || \
70  ((DEFAULT_TCP_RECVMBOX_SIZE) > (MB_SIZE)) || \
71  ((DEFAULT_ACCEPTMBOX_SIZE) > (MB_SIZE)) || \
72  ((TCPIP_MBOX_SIZE) > (MB_SIZE))
73 # error Mailbox size not supported
74 #endif
75 
76 // === THREAD ===
77 typedef struct {
78  osThreadId_t id;
79  osThreadAttr_t attr;
80  mbed_rtos_storage_thread_t data;
81 } sys_thread_data_t;
82 typedef sys_thread_data_t* sys_thread_t;
83 
84 #define SYS_THREAD_POOL_N 6
85 #define SYS_DEFAULT_THREAD_STACK_DEPTH OS_STACK_SIZE
86 
87 // === PROTECTION ===
88 typedef int sys_prot_t;
89 
90 void sys_tcpip_thread_set(void);
91 bool sys_tcpip_thread_check(void);
92 
93 #else
94 #ifdef __cplusplus
95 extern "C" {
96 #endif
97 
98 /** \brief Init systick to 1ms rate
99  *
100  * This init the systick to 1ms rate. This function is only used in standalone
101  * systems.
102  */
103 void SysTick_Init(void);
104 
105 
106 /** \brief Get the current systick time in milliSeconds
107  *
108  * Returns the current systick time in milliSeconds. This function is only
109  * used in standalone systems.
110  *
111  * /returns current systick time in milliSeconds
112  */
113 uint32_t SysTick_GetMS(void);
114 
115 /** \brief Delay for the specified number of milliSeconds
116  *
117  * For standalone systems. This function will block for the specified
118  * number of milliSconds. For RTOS based systems, this function will delay
119  * the task by the specified number of milliSeconds.
120  *
121  * \param[in] ms Time in milliSeconds to delay
122  */
123 void osDelay(uint32_t ms);
124 
125 #ifdef __cplusplus
126 }
127 #endif
128 #endif
129 
130 #endif /* __ARCH_SYS_ARCH_H__ */
sys_mutex_t
Definition: sys/arch/sys_arch.h:42
opt.h
lwIP Options Configuration
sys_sem_t
Definition: sys/arch/sys_arch.h:32
sys_thread_data_t
Definition: sys/arch/sys_arch.h:77
sys_mbox_t
Definition: sys/arch/sys_arch.h:51
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