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TMS320F28377D包含文件编译报错

Other Parts Discussed in Thread: TMS320F28377D

芯片:TMS320F28377D

应用例程:usb_dev_bulk

dac.h文件

……

#define DAC_CHB 0x80

#define DAC_EN    1

void dacInit(Uint16 ch_sync, Uint16 para);

主文件

……

#include "dac.h"

……

main函数

……

adcInit();
dacInit(DAC_CHB, DAC_EN);

……

问题如下:

在编译时,提示dacInit()警告以及DAC_CHB 和DAC_EN    两个宏未定义错误

Problems标签下显示

 function "dacInit" declared implicitly

(Description Resource Path Location Type

<a href="file:/c:/ti/ccsv6/tools/compiler/dmed/HTML/225.html">#225-D</a> function "dacInit" declared implicitly usb_dev_bulk.c /usb_dev_bulk_cpu01 line 538 C/C++ Problem)

反复检查,字符没错,换了文件名也是一样问题。

dac和adc文件在同一个目录下(USER目录下),adc.h引用正常可用

上述问题弄了两天了,反复试都不行,哪位高手遇到过,怎么解。谢谢!