TMS320LF2407无法进入周期中断求解~

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reporter发表于 2013-10-10 11:25 | 只看该作者

TMS320LF2407无法进入周期中断求解~

仿真时，EVAIFRA显示有下溢中断和周期中断，IFR显示有INT2中断，但无法执行中断程序 void interrupt c_int2（）。求高人指点~
主程序：
#include &quot;GLOBAL.C&quot;
void &nbsp; &nbsp; &nbsp; &nbsp; SystemInit();
void &nbsp; &nbsp; &nbsp; &nbsp; KickDog();
unsigned int num=0;
main()
{&nbsp;&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; SystemInit();&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /*系统初始化*/
&nbsp; &nbsp; MCRA=MCRA &amp; 0xFDFF;
&nbsp; &nbsp; MCRC=MCRC &amp; 0xFDFF;
&nbsp; &nbsp; &nbsp; &nbsp; PFDATDIR=0x0200;//驱动芯片使能
&nbsp; &nbsp; &nbsp; &nbsp; PBDATDIR=0x0200;//输出IOPB1控制led闪烁
&nbsp; &nbsp; &nbsp; &nbsp; asm(&quot; CLRC&nbsp; &nbsp; &nbsp; &nbsp; INTM &quot;);
&nbsp; &nbsp; &nbsp; &nbsp; EVAIMRA=0x0080;//使能周期中断
&nbsp; &nbsp; &nbsp; &nbsp; EVAIFRA=0xFFFF;//清楚中断标志
&nbsp; &nbsp; &nbsp; &nbsp; GPTCONA=0x0000;
&nbsp; &nbsp; &nbsp; &nbsp; T1PR=1000;
&nbsp; &nbsp; &nbsp; &nbsp; T1CNT=0;
&nbsp; &nbsp; &nbsp; &nbsp; T1CON=0xd446;

&nbsp; &nbsp; &nbsp; &nbsp; while(1)
&nbsp; &nbsp; &nbsp; &nbsp; {
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if(num&gt;1000)
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; PBDATDIR=0x0202;//输出高电平led亮
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if(num&gt;2000)
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; num=0;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; PBDATDIR=0x0200;//输出低电平led灭
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }
&nbsp; &nbsp; &nbsp; &nbsp; }
}

void SystemInit()
{&nbsp;&nbsp;

&nbsp; &nbsp; &nbsp; &nbsp; asm(&quot; SETC&nbsp; &nbsp; &nbsp; &nbsp; INTM &quot;);&nbsp; &nbsp; &nbsp; &nbsp; /* 关闭总中断 */
&nbsp; &nbsp; &nbsp; &nbsp; asm(&quot; CLRC&nbsp;&nbsp;SXM&nbsp;&nbsp;&quot;);&nbsp; &nbsp; &nbsp; &nbsp; /* 禁止符号位扩展 */
&nbsp; &nbsp; &nbsp; &nbsp; asm(&quot; CLRC&nbsp;&nbsp;CNF&nbsp;&nbsp;&quot;);&nbsp; &nbsp; /* B0块映射为 on-chip DARAM*/
&nbsp; &nbsp; &nbsp; &nbsp; asm(&quot; CLRC&nbsp;&nbsp;OVM&nbsp;&nbsp;&quot;);&nbsp; &nbsp; /* 累加器结果正常溢出*/
&nbsp; &nbsp; &nbsp; &nbsp; SCSR1=0x02FC;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; /* 系统时钟CLKOUT=20*2=40M */
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* 打开ADC,EVA,EVB,CAN和SCI的时钟,系统时钟CLKOUT=40M */
&nbsp; &nbsp; &nbsp; &nbsp; WDCR=0x006F;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* 禁止看门狗,看门狗时钟64分频 */
&nbsp; &nbsp; &nbsp; &nbsp; KickDog();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* 初始化看门狗 */&nbsp;&nbsp;
&nbsp; &nbsp; IFR=0xFFFF;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* 清除中断标志 */
&nbsp; &nbsp; IMR=0x0002;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* 打开中断2*/&nbsp; &nbsp;&nbsp; &nbsp;
}&nbsp;&nbsp;

void interrupt c_int2()
{
&nbsp; &nbsp; &nbsp; &nbsp; T1CNT=0;
&nbsp; &nbsp; &nbsp; &nbsp; num++;
&nbsp; &nbsp; &nbsp; &nbsp; EVAIFRA=0x0080;
&nbsp; &nbsp; &nbsp; &nbsp; asm(&quot; CLRC&nbsp; &nbsp; &nbsp; &nbsp; INTM &quot;);
}

void KickDog()&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /*踢除看门狗 */
{
&nbsp; &nbsp; &nbsp; &nbsp; WDKEY=0x5555;
&nbsp; &nbsp; &nbsp; &nbsp; WDKEY=0xAAAA;
}

CMD文件：（由于使用的开发板无外扩RAM，程序和数据均放在片内SARAM上，不知是否对中断有影响）
MEMORY
{
&nbsp; &nbsp;&nbsp; &nbsp; PAGE 0: VECS: origin = 0x8000,&nbsp;&nbsp;length 0x040
&nbsp; &nbsp;&nbsp; &nbsp; PAGE 0: PROG: origin = 0x8060,&nbsp;&nbsp;length 0x700
&nbsp; &nbsp;&nbsp; &nbsp; PAGE 1: B0&nbsp;&nbsp;: origin = 0x200,&nbsp; &nbsp;length 0x100
&nbsp; &nbsp;&nbsp; &nbsp; PAGE 1: B1&nbsp;&nbsp;: origin = 0x300,&nbsp; &nbsp;length 0x100
&nbsp; &nbsp;&nbsp; &nbsp; PAGE 1: B2&nbsp;&nbsp;: origin = 0x060,&nbsp; &nbsp;length 0x020
&nbsp; &nbsp;&nbsp; &nbsp; PAGE 1: DATA: origin = 0x0F60,&nbsp;&nbsp;length 0x0A0
}

SECTIONS
{
&nbsp; &nbsp;&nbsp; &nbsp; .vectors&nbsp;&nbsp;: {}&nbsp;&nbsp;&gt;VECS PAGE 0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* 中断向量表 */
&nbsp; &nbsp;&nbsp; &nbsp; .text&nbsp; &nbsp;&nbsp;&nbsp;: {}&nbsp;&nbsp;&gt

ROG PAGE 0&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;/* 可执行代码和字符串 */
&nbsp; &nbsp;&nbsp; &nbsp; .cinit&nbsp; &nbsp; : {}&nbsp;&nbsp;&gt

ROG PAGE 0
&nbsp; &nbsp;&nbsp; &nbsp; .data&nbsp; &nbsp;&nbsp;&nbsp;: {}&nbsp;&nbsp;&gt;DATA PAGE 1&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;/* 初始化变量和常数表 */
&nbsp; &nbsp;&nbsp; &nbsp; .bss&nbsp; &nbsp;&nbsp; &nbsp;: {}&nbsp;&nbsp;&gt;DATA PAGE 1&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* 保留全局变量和静态变量空间 */
&nbsp; &nbsp;&nbsp; &nbsp; .const&nbsp; &nbsp; : {}&nbsp;&nbsp;&gt

ROG PAGE 0&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* 字符串和switch表 */&nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; .switch&nbsp; &nbsp;: {}&nbsp;&nbsp;&gt

ROG PAGE 0&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;/* 包含.switch语句建立的表格 */
&nbsp; &nbsp;&nbsp; &nbsp; .stack&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;: {}&nbsp;&nbsp;&gt;DATA PAGE 1&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;/* 为系统堆栈分配存储器 */
&nbsp; &nbsp;&nbsp; &nbsp; .system&nbsp; &nbsp;: {}&nbsp;&nbsp;&gt;DATA PAGE 1&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /* 为动态存储器函数分配存储器空间 */

}

ASM文件：
;define.asm

&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;.include&nbsp;&nbsp;&quot;lf2407a.h&quot;&nbsp;&nbsp;
&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;.include&nbsp;&nbsp;&quot;F2407REGS.H&quot;

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _c_int0,_c_int1,_c_int2&nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global&nbsp; &nbsp; &nbsp; &nbsp; _IMR,_IFR
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global&nbsp; &nbsp; &nbsp; &nbsp; _SCSR1,_SCSR2,_XINT1CR,_XINT2CR
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _WDCNTR,_WDKEY,_WDCR
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _MCRA,_MCRB,_MCRC,_PADATDIR,_PBDATDIR,_PCDATDIR,_PEDATDIR,_PFDATDIR
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _ADCTRL1,_ADCTRL2,_MAXCONV,_CHSELSEQ1,_CHSELSEQ2,_CHSELSEQ3,_CHSELSEQ4
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _AUTO_SEQ_SR,_RESULT0,_RESULT1,_RESULT2,_RESULT8,_RESULT9
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _CANMDER,_CANTCR,_CANRCR,_CANMCR,_CANBCR2,_CANBCR1,_CANESR,_CANGSR
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _CANCEC,_CANIFR,_CANIMR,_CANLAM0H,_CANLAM0L
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _CANID0L,_CANID0H,_CANCTRL0,_CANBX0A,_CANBX0B,_CANBX0C,_CANBX0D
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _CANID1L,_CANID1H,_CANCTRL1,_CANBX1A,_CANBX1B,_CANBX1C,_CANBX1D
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _CANID2L,_CANID2H,_CANCTRL2,_CANBX2A,_CANBX2B,_CANBX2C,_CANBX2D
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _CANID3L,_CANID3H,_CANCTRL3,_CANBX3A,_CANBX3B,_CANBX3C,_CANBX3D
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _CANID4L,_CANID4H,_CANCTRL4,_CANBX4A,_CANBX4B,_CANBX4C,_CANBX4D
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _CANID5L,_CANID5H,_CANCTRL5,_CANBX5A,_CANBX5B,_CANBX5C,_CANBX5D
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _SCICCR,_SCICTL1,_SCIHBAUD,_SCILBAUD,_SCICTL2,_SCIRXST,_SCIRXEMU,_SCIRXBUF,_SCITXBUF,_SCIPRI;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _GPTCONA,_T1CNT,_T1PR,_T1CON,_T2CNT,_T2PR,_T2CON
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global&nbsp; &nbsp; &nbsp; &nbsp; _EVAIMRA,_EVAIMRB,_EVAIFRA,_EVAIFRB,_PIVR
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .global _GPTCONB,_T3CNT,_T3CMPR,_T3PR,_T3CON,_COMCONA,_ACTRA,_DBTCONA,_CMPR1,_EVBIMRA,_EVBIFRA
&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;.global _WSGR&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;

;建立中断向量表&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;
&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;.sect&nbsp; &nbsp;&nbsp;&nbsp;&quot;.vectors&quot;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;
RSVECT&nbsp; &nbsp;&nbsp; &nbsp;B&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;_c_int0
INT1&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; B&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; PHANTOM
INT2&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; B&nbsp; &nbsp;&nbsp; &nbsp; _c_int2
INT3&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;B&nbsp; &nbsp;&nbsp; &nbsp; PHANTOM
INT4&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; B&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; PHANTOM
INT5&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;B&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; PHANTOM
INT6&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; B&nbsp; &nbsp;&nbsp; &nbsp; PHANTOM
;中断子向量入口定义&nbsp;&nbsp;

&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;.text&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;

PHANTOM:
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;KICK_DOG
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; RET&nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; .end

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TMS320LF2407无法进入周期中断 求解~

TMS320LF2407无法进入周期中断 求解~

TMS320LF2407无法进入周期中断求解~

TMS320LF2407无法进入周期中断求解~