📄 rtx_config.lst
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ARM COMPILER V2.51a, RTX_Config 06/05/06 10:40:45 PAGE 1
ARM COMPILER V2.51a, COMPILATION OF MODULE RTX_Config
OBJECT MODULE PLACED IN RTX_Config.OBJ
COMPILER INVOKED BY: D:\Keil\ARM\BIN\CA.exe RTX_Config.c THUMB BROWSE DEBUG TABS(4)
stmt level source
1 /*----------------------------------------------------------------------------
2 * R T L - K e r n e l
3 *----------------------------------------------------------------------------
4 * Name: RTX_CONFIG.C
5 * Purpose: Configuration of RTX Kernel for Philips LPC21xx
6 * Rev.: V3.00 / 17-mar-2006
7 *----------------------------------------------------------------------------
8 * This code is part of the RealView Run-Time Library.
9 * Copyright (c) 2004-2006 KEIL - An ARM Company. All rights reserved.
10 *---------------------------------------------------------------------------*/
11
12 #include <RTX_Config.h> /* RTX user configuration header */
*** ERROR C318 IN LINE 12 OF RTX_Config.c: can't open file 'RTX_Config.h'
13 #pragma O0
*** WARNING C2 IN LINE 13 OF RTX_CONFIG.C: 'O0': unknown #pragma/control, line ignored
14
15 /*----------------------------------------------------------------------------
16 * RTX User configuration part BEGIN
17 *---------------------------------------------------------------------------*/
18
19 //-------- <<< Use Configuration Wizard in Context Menu >>> -----------------
20 // <e>Task Mode Select
21 // <o>Task Mode Select <0-1>
22 // <i> Define max. number of tasks that will run at the same time.
23 // <i> Default: 0
24 #ifndef OS_MODESEL
25 #define OS_MODESEL 1//OS选择非典的中断向量编号模式
26 #endif
27
28 #if (OS_MODESEL == 0) //OS中断向量地址/编号模式选择
#include <LPC213x.H> /* LPC21xx definitions */
#else
31 #include <LPC213xDEF.H> //ARM菜鸟HotPower创建定义文件(愚人节预演版)
32 #endif
33 // </e>
34 //
35 // <h>Task Definitions
36 // ===================
37 //
38 // <o>Number of concurrent running tasks <0-250>
39 // <i> Define max. number of tasks that will run at the same time.
40 // <i> Default: 6
41 #ifndef OS_TASKCNT//指定同时运行的任务数
42 #define OS_TASKCNT 7
43 #endif
44
45 // <o>Number of tasks with user-provided stack <0-250>
46 // <i> Define the number of tasks that will use a bigger stack.
47 // <i> The memory space for the stack is provided by the user.
48 // <i> Default: 0
49 #ifndef OS_PRIVCNT//指定用户提供堆栈的任务数量
50 #define OS_PRIVCNT 0
51 #endif
52
53 // <o>Task stack size [bytes] <20-4096:8><#/4>
54 // <i> Set the stack size for tasks which is assigned by the system.
55 // <i> Default: 200
56 #ifndef OS_STKSIZE//指定每一个任务的栈尺寸(32位字，此数乘4为栈字节数)
57 #define OS_STKSIZE 250
ARM COMPILER V2.51a, RTX_Config 06/05/06 10:40:45 PAGE 2
58 #endif
59
60 // <q>Check for the stack overflow
61 // ===============================
62 // <i> Include the stack checking code for a stack overflow.
63 // <i> Note that additional code reduces the Kernel performance.
64 #ifndef OS_STKCHECK//使能(1) 或禁止(0) 堆栈检查
65 #define OS_STKCHECK 1
66 #endif
67
68 // <o>Number of user timers <0-250>
69 // <i> Define max. number of user timers that will run at the same time.
70 // <i> Default: 0 (User timers disabled)
71 #ifndef OS_TIMERCNT//指定用户定时器的数量(在回调函数os_tmr_call()里编写程序)
72 #define OS_TIMERCNT 1
73 #endif
74
75 // </h>
76 // <h>System Timer Configuration
77 // =============================
78 // <o>ARTX Kernel timer number <0=> Timer 0 <1=> Timer 1
79 // <i> Define the ARM timer used as a system tick timer.
80 // <i> Default: Timer 0
81 #ifndef OS_TIMER//指定一个片上定时器, 用作实时系统的时基, 可以是0 或1
82 #define OS_TIMER 1
83 #endif
84
85 // <o>Timer clock value [Hz] <1-1000000000>
86 // <i> Set the timer clock value for selected timer.
87 // <i> Default: 15000000 (15MHz at 60MHz CCLK and VPBDIV = 4)
88 #ifndef OS_CLOCK//指定所选择定时器的输入信号频率
89 #define OS_CLOCK 15000000
90 #endif
91
92 // <o>Timer tick value [us] <1-1000000>
93 // <i> Set the timer tick value for selected timer.
94 // <i> Default: 10000 (10ms)
95 #ifndef OS_TICK//指定系统定时的时间间隔, 单位为uS
96 #define OS_TICK 10000
97 #endif
98
99 // </h>
100 // <e>Round-Robin Task switching
101 // =============================
102 // <i> Enable Round-Robin Task switching.
103 #ifndef OS_ROBIN//使能(1) 或禁止(0) 时间片轮转任务调度
104 #define OS_ROBIN 1
105 #endif
106
107 // <o>Round-Robin Timeout [ticks] <1-1000>
108 // <i> Define how long a task will execute before a task switch.
109 // <i> Default: 5
110 #ifndef OS_ROBINTOUT//时间片的大小, 以系统定时间隔为单位(节拍)
111 #define OS_ROBINTOUT 5
112 #endif
113
114 // </e>
115
116 //------------- <<< end of configuration section >>> -----------------------
117
118 /*----------------------------------------------------------------------------
119 * ARTX User configuration part END
120 *---------------------------------------------------------------------------*/
121
122 #if (OS_TIMER == 0) /* Timer 0 */
#define OS_TID_ 4 /* Timer ID */
ARM COMPILER V2.51a, RTX_Config 06/05/06 10:40:45 PAGE 3
#define OS_TIM_ (1 << OS_TID_) /* Interrupt Mask */
//OS_TRV指定定时器的重载值
#define OS_TRV ((U32)(((double)OS_CLOCK*(double)OS_TICK)/1E6)-1)
//OS_TVAL用于读取定时器的当前值
#if (OS_MODESEL == 0)
#define OS_TVAL T0TC /* Timer Value */
#else
#define OS_TVAL T0->TIMER_TC /* Timer Value */
#endif
//OS_TOVF指定定时器溢出标志
#if (OS_MODESEL == 0)
#define OS_TOVF (T0IR & 1) /* Overflow Flag */
#else
#define OS_TOVF (T0->TIMER_IR & 1) /* Overflow Flag */
#endif
//OS_TREL()定义定时器重载的指令序列
#define OS_TREL() ; /* Timer Reload */
//OS_TFIRQ()定义强制定时器中断的指令序列
#if (OS_MODESEL == 0)
#define OS_TFIRQ() VICSoftInt |= OS_TIM_; /* Force Interrupt */
#else
#define OS_TFIRQ() VIC->SoftInt |= OS_TIM_; /* Force Interrupt */
#endif
//OS_TIACK()用于清除定时器中断的逻辑
#if (OS_MODESEL == 0)
#define OS_TIACK() T0IR = 1; /* Interrupt Ack */ \
VICSoftIntClr = OS_TIM_; \
VICVectAddr = 0;
#else
#define OS_TIACK() T0->TIMER_IR = 1; /* Interrupt Ack */ \
VIC->SoftIntClr = OS_TIM_; \
VIC->VectAddr = 0;
#endif
//OS_TINIT()用于定义定时器的初始化代码
#if (OS_MODESEL == 0)
#define OS_TINIT() T0MR0 = OS_TRV; /* Initialization */ \
T0MCR = 3; \
T0TCR = 1; \
VICDefVectAddr = (U32)os_def_interrupt; \
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