Hi All,
I have a problem which I think is in SDCC
I use the binary package SDCC version 'latest' downloadable from
Sourceforge on Windows XP under Code::blocks version 8.02
I have Code::blocks setup for the PIC16F874.
This is what I want to do, To synthesize PORT and TRIS from a sinlge
letter as # define LCD_DataPort D
Here is my code:
#include <PIC/PIC16F874.H>
#define LCD_DataPort D
#define LCD_CtrlPort E
#define LCD_RS 0
#define LCD_PIN_OUT 0
#define LCD_LOW 0
#define LCD_PORT_WRITE 0
#define LCD_SetUp_Interface \
LCD_Port_Pin_Dir(LCD_CtrlPort,LCD_RS,LCD_PIN_OUT); \
LCD_Port_Bit(LCD_CtrlPort,LCD_RS, LCD_LOW); \
LCD_Port_Dir(LCD_DataPort,LCD_PORT_WRITE);
#define LCD_Port_Pin_Dir_C(port,pin,state) \
TRIS##port##pin = state
#define LCD_Port_Pin_Dir(port,pin,state) \
LCD_Port_Pin_Dir_C(port,pin,state)
#define LCD_Port_Bit_C(port,pin,state) \
R##port##pin = state
#define LCD_Port_Bit(port,pin,state) \
LCD_Port_Bit_C(port,pin,state)
#define LCD_Port_Dir_C(port,state) \
TRIS##port = state
#define LCD_Port_Dir(port,state) \
LCD_Port_Dir_C(port,state)
// main body
void main(){
LCD_SetUp_Interface;
// LCD_Port_Dir(LCD_DataPort,0);
// LCD_Port_Dir(D,0);
// TRISD = 0;
}
On building the above code I get the error message Undefined identifier
'TRISSSPSTAT_bits'
This error message is from the #define LCD_Port_Dir(port,state)
Why does the #define LCD_Port_Pin_Dir succeed?
What did I do wrong or forgot.?
Can someone help me through this?
Thanks,
Frans.
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