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Help me fix 8051 coding issue

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madhun

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Dear All

Can anybody assist if code mentioned below is feasible as its showing cmpile time error.

sbit P21 = 0xA1;
sbit P22 = 0xA2;
#define HS_FS_LED P20
#define RES_OV P21

How should i write to remove the error.

Thanks
madhu
 

kalyanram

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Re: coding issue 8051

#define RES_OV P21
This could be the line thats causing trouble. Because RES_OV is a macro and P21 is a variable.
change this to #define RES_OV 0xA1.

~Kalyan.
 

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