1 /* Small demonstration of the ThreadX module manager. */
2
3 #include "tx_api.h"
4 #include "txm_module.h"
5
6
7 #define DEMO_STACK_SIZE 1024
8
9 /* Define the ThreadX object control blocks... */
10
11 TX_THREAD module_manager;
12 TXM_MODULE_INSTANCE my_module;
13
14
15 /* Define the object pool area. */
16
17 UCHAR object_memory[8192];
18
19
20 /* Define the count of memory faults. */
21
22 ULONG memory_faults;
23
24
25 /* Define thread prototypes. */
26
27 void module_manager_entry(ULONG thread_input);
28
29
30 /* Define fault handler. */
31
module_fault_handler(TX_THREAD * thread,TXM_MODULE_INSTANCE * module)32 VOID module_fault_handler(TX_THREAD *thread, TXM_MODULE_INSTANCE *module)
33 {
34
35 /* Just increment the fault counter. */
36 memory_faults++;
37 }
38
39 /* Define main entry point. */
40
main()41 int main()
42 {
43
44 /* Enter the ThreadX kernel. */
45 tx_kernel_enter();
46 }
47
48
49 /* Define what the initial system looks like. */
50
tx_application_define(void * first_unused_memory)51 void tx_application_define(void *first_unused_memory)
52 {
53
54 CHAR *pointer = (CHAR*)first_unused_memory;
55
56
57 tx_thread_create(&module_manager, "Module Manager Thread", module_manager_entry, 0,
58 pointer, DEMO_STACK_SIZE,
59 1, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
60 pointer = pointer + DEMO_STACK_SIZE;
61 }
62
63
64
65
66 /* Define the test threads. */
67
module_manager_entry(ULONG thread_input)68 void module_manager_entry(ULONG thread_input)
69 {
70
71 /* Initialize the module manager. */
72 txm_module_manager_initialize((VOID *) 0x00018000, 0x00008000);
73
74 txm_module_manager_object_pool_create(object_memory, sizeof(object_memory));
75
76 /* Register a fault handler. */
77 txm_module_manager_memory_fault_notify(module_fault_handler);
78
79 /* Load the module that is already there, in this example it is placed there by the multiple image download. */
80 txm_module_manager_in_place_load(&my_module, "my module", (VOID *) 0xFFF10400);
81
82
83 /* Enable 128 byte read/write shared memory region at 0x00020000. */
84 txm_module_manager_external_memory_enable(&my_module, (void *) 0x00020000, 128, TXM_MODULE_MANAGER_SHARED_ATTRIBUTE_READ | TXM_MODULE_MANAGER_SHARED_ATTRIBUTE_WRITE);
85
86 /* Start the module. */
87 txm_module_manager_start(&my_module);
88
89 /* Sleep for a while.... */
90 tx_thread_sleep(1000);
91
92 /* Stop the module. */
93 txm_module_manager_stop(&my_module);
94
95 /* Unload the module. */
96 txm_module_manager_unload(&my_module);
97
98 /* Load the module that is already there. */
99 txm_module_manager_in_place_load(&my_module, "my module", (VOID *) 0xFFF10400);
100
101 /* Set maximum module priority to 5. */
102 txm_module_manager_maximum_module_priority_set(&my_module, 5);
103
104 /* Start the module again. */
105 txm_module_manager_start(&my_module);
106
107 /* Now just spin... */
108 while(1)
109 {
110
111 tx_thread_sleep(100);
112 }
113 }
114
