CooCox CoOS User's Guide

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Example usage: #include "CCRTOS.h" OS_EventID queue; void *MailQueue[8]; unsigned int msgdat; void TaskN (void *pdata) { StatusType result; void *msg; ... /* Wait for a mail, time-out:20 */ msg = CoPendQueueMail (queue, 20, &result); if (result != E_OK) { if (result == E_INVALID_ID) { printf("Invalid Queue ID !\n"); } } else { /* Process mail here */ } ... } void TaskM (void *pdata) { StatusType result; ... msgdat = 0x61; result = CoPostQueueMail (queue, (void *)&msgdat); if (result != E_OK) { if (result == E_INVALID_ID) { printf("Invalid Queue ID ! \n"); } else if (result == E_MBOX_FULL) { printf("The Queue is full !\n"); } } } 102
Note: 1)This function runs a task sheduling while waiting and give the system execution time to the highest priority task. 2) It will do substrct 1 operation to the current message in message queue after get the message in the message queue successfully. 3) The function cann’t be used in the interrupt service program. 6.9.5 CoPostQueueMail() Function Prototype: StatusType CoPostQueueMail( Descriptions: ); OS_EventID id, void* pmail Send message to the message queue that designated. Parameters: [in] id Message Queue ID [in] pmail Returns: the pointer of the message E_INVALID_ID, E_QUEUE_FULL, E_OK, the message queue ID that was incomed is invalid the message queue is full the message is send successfully 103
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CooCox CoOS User's Guide Revision 1
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1 OverView 1.1 About CooCox CoOS Co
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1.2 CooCox CoOS getting started Thi
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1.2.3 Write application code Open '
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void taskB (void* pdata) { for (;;)
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2 Task Management 2.1 Task During O
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TASK_WAITTING CoDelTask() Set event
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stkPtr: prio: state: taskID: A poin
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2.4 Task Ready List CooCox CoOS lin
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Code 4 Task with a higher priority
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2.7 Interrupts In CooCox CoOS, the
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Code 1 System tick interrupt handli
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3.3 Software Timer Software timer i
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4 Memory Management 4.1 Static Memo
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Assigned memory block list 50 100 2
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while allocate the memory. To all t
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4.3 Stack Overflow Check Stack Over
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Code 2 The use of the semaphore voi
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Code 3 The use of the mutex section
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Code5 Wait for multiple flags void
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You can create a mailbox by calling
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6 API Reference 6.1 System Manageme
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6.1.3 CoEnterISR() Function Prototy
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tasks so as to protect the critical
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6.2 Task Management 6.2.1 CoCreateT
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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 and 92: 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: 6.9.4 CoPendQueueMail() Function Pr
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
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