CooCox CoOS User's Guide

More documents

Recommendations

Info

Note: Release the resources that the mailbox occupied if delete it successfully,then run a task sheduling and give the system execution time to the highest priority task. 6.8.3 CoAcceptMail() Function Prototype: void* CoAcceptMail( Descriptions: OS_EventID id, StatusType* perr ); To obtain mailbox message whose ID was designated. Parameters: [in] id the designated mailbox ID [in] perr error returned types: E_INVALID_ID, the mailbox ID that was incomed is invalid Returns: E_MBOX_EMPTY, E_OK, To get the pointer of the mailbox message. the mailbox message whose ID was designated is empty to obtain the message successfully 90
Example usage: #include "CCRTOS.h" OS_EventID mailbox; void TaskN (void *pdata) { StatusType result; void *msg; ... /* Create a mailbox */ msg = CoAcceptMail (mailbox, &result); if (result != E_OK) { if (result == E_INVALID_ID) { printf("Invalid event ID !\n"); } } else { … /* Process mail here */ … } ... } Note: If the message pointer of the designated mailbox is not empty while calling AcceptSem(),this function will get the message pointer and empty the mailbox;otherwise,return error immediately. 6.8.4 CoPendMail() Function Prototype: void* CoPendMail( OS_EventID id, U32 timeout, StatusType* perr ); Descriptions: To wait the message of the designated mailbox. Parameters: [in] id the designated mailbox ID 91
Page 1 and 2:
CooCox CoOS User's Guide Revision 1
Page 3 and 4:
1 OverView 1.1 About CooCox CoOS Co
Page 5 and 6:
1.2 CooCox CoOS getting started Thi
Page 7 and 8:
1.2.3 Write application code Open '
Page 9 and 10:
void taskB (void* pdata) { for (;;)
Page 11 and 12:
2 Task Management 2.1 Task During O
Page 13 and 14:
TASK_WAITTING CoDelTask() Set event
Page 15 and 16:
stkPtr: prio: state: taskID: A poin
Page 17 and 18:
2.4 Task Ready List CooCox CoOS lin
Page 19 and 20:
Code 4 Task with a higher priority
Page 21 and 22:
2.7 Interrupts In CooCox CoOS, the
Page 23 and 24:
Code 1 System tick interrupt handli
Page 25 and 26:
3.3 Software Timer Software timer i
Page 27 and 28:
4 Memory Management 4.1 Static Memo
Page 29 and 30:
Assigned memory block list 50 100 2
Page 31 and 32:
while allocate the memory. To all t
Page 33 and 34:
4.3 Stack Overflow Check Stack Over
Page 35 and 36:
Code 2 The use of the semaphore voi
Page 37 and 38:
Code 3 The use of the mutex section
Page 39 and 40:
Code5 Wait for multiple flags void
Page 41 and 42: You can create a mailbox by calling
Page 43 and 44: 6 API Reference 6.1 System Manageme
Page 45 and 46: 6.1.3 CoEnterISR() Function Prototy
Page 47 and 48: tasks so as to protect the critical
Page 49 and 50: 6.2 Task Management 6.2.1 CoCreateT
Page 51 and 52: Function Prototype: OS_TID CoCreate
Page 53 and 54: void CoExitTask(void); Description:
Page 55 and 56: #include "CCRTOS.h" void TaskN (voi
Page 57 and 58: #include "CCRTOS.h" void TaskN (voi
Page 59 and 60: Returns: E_INVALID_ID, E_OK, Exampl
Page 61 and 62: Example Usage: #include "CCRTOS.h"
Page 63 and 64: Description: Delay a task for a spe
Page 65 and 66: Example Usage: #include "CCRTOS.h"
Page 67 and 68: The ID of the specified timer Retur
Page 69 and 70: Returns: E_OK, Get the current coun
Page 71 and 72: 6.5 Memory Management 6.5.1 CoKmall
Page 73 and 74: Description: Create a memory partit
Page 75 and 76: 6.5.5 CoGetMemoryBuffer() Function
Page 77 and 78: Example usage: #include "CCRTOS.h"
Page 79 and 80: 6.6 Mutex Section 6.6.1 CoCreateMut
Page 81 and 82: [in] muterID the designated mutex s
Page 83 and 84: Note: None 6.7.2 CoDelSem() Functio
Page 85 and 86: Example usage: Note: #include "CCRT
Page 89 and 90: 6.7.6 isr_PostSem() Function Protot
Page 91: 6.8.2 CoDelMbox() Function Prototyp
Page 99 and 100: 6.9 Message Queues 6.9.1 CoCreateQu
Page 101 and 102: E_INVALID_PARAMETER, invalid parame
Page 103 and 104: 6.9.4 CoPendQueueMail() Function Pr
Page 105 and 106: Note: 1)This function runs a task s
Page 107 and 108: Note: If the number of the message
Page 109 and 110: 6.10 Flags 6.10.1 CoCreateFlag() Fu
Page 111 and 112: E_OK, Example usage: Delete success
Page 113 and 114: OPT_WAIT_ALL, Wait for all the flag
Page 119 and 120: Returns: E_INVALID_ID, E_OK, Exampl
Page 121 and 122: 6.11 System Utilities 6.11.1 CoTick
Page 123 and 124: Returns: E_INVALID_PARAMETER, E_OK,
Page 125: Returns: None Example usage: void C
show all

CooCox CoOS User's Guide

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?