CooCox CoOS User's Guide

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Table 1.1.2 Space Specifications Description RAM Space for Kernel Code Space for Kernel RAM Space for a Task RAM Space for a Mailbox RAM Space for a Semaphore RAM Space for a Queue RAM Space for a Mutex RAM Space for a User Timer Space 168 Bytes 974 Bytes TaskStackSize + 24 Bytes(MIN) TaskStackSize + 48 Bytes(MAX) 16 Bytes 16 Bytes 32 Bytes 8 Bytes 24 Bytes 1.1.3 Supported Devices • ST STM32 Series • Atmel ATSAM3U Series • NXP LPC17xx LPC13xx LPC11xx Series • Toshiba TMPM330 Series • Luminary LM3S Series 1.1.4 Source Codes Download If you want to learn more about CooCox CoOS, you can download the CooCox CoOS source code from the web: http://www.coocox.org/. 2
1.2 CooCox CoOS getting started This section describes the useage of CooCox, here we use Keil RealView MDK and EM-LPC1700 evaluation board to develop a simple demo based on CooCox CoOS. Here we assume that you are able to use Keil RealView MDK to do simple development and basic set. The following will introduce a simple example which includes three tasks: led : Used for 8 LEDs' cyclic flickering, and set flags to activate the other two tasks every fixed time interval; taskA : Wait for task flag 'a_flag', then print taskA through UART1; taskB : Wait for task flag 'b_flag', then print taskB through UART1; The overall phenomenon is that the 8 LEDs on board changes every 0.5s, the change order is :LED0LED1LED2…LED6LED7LED0LED1…, the serial port prints messages every 0.5s, printing like this: taskA is running taskB is running … The corresponding relationships between LEDs and GPIOs are as follows: LED0 P1.28 LED1 P1.29 LED2 P1.31 LED[3…7] P[2.2...2.6] Next we will introduce how to achieve the above functions in the environment of CoOS. 1.2.1 Preparations 1> Visit www.coocox.org website to download 'The first CoOS Program' source code; 2> First of all, create a folder named 'getting_started'(Note: the name of the folder can't has spaces or Chinese); 3> And then enter the 'getting_started' folder, create a inc ,a src ,a ccrtos folder 3
Page 1 and 2: CooCox CoOS User's Guide Revision 1
Page 3: 1 OverView 1.1 About CooCox CoOS Co
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:
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#include "CCRTOS.h" void TaskN (voi
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#include "CCRTOS.h" void TaskN (voi
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Returns: E_INVALID_ID, E_OK, Exampl
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Example Usage: #include "CCRTOS.h"
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Description: Delay a task for a spe
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Example Usage: #include "CCRTOS.h"
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The ID of the specified timer Retur
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Returns: E_OK, Get the current coun
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6.5 Memory Management 6.5.1 CoKmall
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Description: Create a memory partit
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6.5.5 CoGetMemoryBuffer() Function
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Example usage: #include "CCRTOS.h"
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6.6 Mutex Section 6.6.1 CoCreateMut
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[in] muterID the designated mutex s
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Note: None 6.7.2 CoDelSem() Functio
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Example usage: Note: #include "CCRT
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6.7.6 isr_PostSem() Function Protot
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6.8.2 CoDelMbox() Function Prototyp
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6.9 Message Queues 6.9.1 CoCreateQu
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E_INVALID_PARAMETER, invalid parame
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6.9.4 CoPendQueueMail() Function Pr
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Note: 1)This function runs a task s
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Note: If the number of the message
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6.10 Flags 6.10.1 CoCreateFlag() Fu
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E_OK, Example usage: Delete success
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OPT_WAIT_ALL, Wait for all the flag
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Returns: E_INVALID_ID, E_OK, Exampl
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6.11 System Utilities 6.11.1 CoTick
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Returns: E_INVALID_PARAMETER, E_OK,
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Returns: None Example usage: void C
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