Hello,
I started to play with software I2C on 12F675 and found that TRISIO_bits
definition is missing. Can somebody add following (or something similar) into
pic12f675.h (and corresponding "volatile __TRISIO_bits_t .." line into .C file)
?
// ----- TRISIO bits --------------------
typedef union {
struct {
unsigned char IO0:1;
unsigned char IO1:1;
unsigned char IO2:1;
unsigned char IO3:1;
unsigned char IO4:1;
unsigned char IO5:1;
unsigned char :1;
unsigned char :1;
};
} __TRISIO_bits_t;
extern volatile __TRISIO_bits_t __at(TRISIO_ADDR) TRISIO_bits;
#ifndef NO_BIT_DEFINES
#define TRISIO0 TRISIO_bits.IO0
#define TRISIO1 TRISIO_bits.IO1
#define TRISIO2 TRISIO_bits.IO2
#define TRISIO3 TRISIO_bits.IO3
#define TRISIO4 TRISIO_bits.IO4
#define TRISIO5 TRISIO_bits.IO5
#endif /* NO_BIT_DEFINES */
BTW, I tried following macros ( Raphael recommended them in 2007-12 ), but no
success with the new SDCC:
#define SETB(reg,bit) (reg) |= (1<<(bit))
#define CLRB(reg,bit) (reg) &= ~(1<<(bit))
#define LED1 GPIO,0
#define LED2 GPIO,2
SETB(LED1);
I get following error (it looks like no expansion is done in preprocessor ? ) :
main.c:100:17: error: macro "SETB" requires 2 arguments, but only 1 given
main.c:100: error 20: Undefined identifier 'SETB'
If I just try "SETB( LED1, 0)" I get "lvalue required for operation". So it
looks like wrong expansion. Maybe problem of Win32 port ? I use
sdcc -v
SDCC : mcs51/gbz80/z80/avr/ds390/pic16/pic14/TININative/xa51/ds400/hc08 2.8.4
#5264 (Nov 11 2008) (MINGW32)
Vaclav
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