char *rj_getversion(void)
{
int i;
i = 0;
rj_writebyte(RJ_VERSION, 0);
do {
version_str[i] = rj_readbyte(RJ_VERSION);
} while ((version_str[i] != 0) && (i++ < (BUFSIZE - 2) ) );
version_str[i] = 0;
return version_str;
}
int main(int argc, char *argv[])
{
char devbusname[] = "/dev/i2c-0";
int i2caddr = AVRSLAVE_ADDR;
int count = 0;
int i, rval, stat, b, adc_v;
char buf[10];
double volts = 0.0;
printf("Hello, world!\n");
file = open(devbusname, O_RDWR);
if (file < 0) {
printf("open %s: error = %d\n", devbusname, file);
exit(1);
}
else
printf("open %s: succeeded.\n", devbusname);
if (ioctl(file, I2C_SLAVE, i2caddr) < 0) {
printf("open i2c slave 0x%02x: error = %s\n\n", i2caddr, "dunno");
exit(1);
}
else
printf("open i2c slave 0x%02x: succeeded.\n\n", i2caddr);
i = 0;
rj_writeword(RJ_VERSION, __func__);
do {
inbuf[i] = rj_readbyte(RJ_VERSION, __func__);
} while ((inbuf[i] != 0) && (i++ < (BUFSIZE - 2) ) );
inbuf[i] = 0;
printf("len = %d, Version = %s\n", strlen(inbuf), inbuf);
close(file);
}
int rj485_getc(void)
{
return rj_readbyte(RS485D, __func__);
}
int rj232_getc(void)
{
return rj_readbyte(RS232D, __func__);
}
int rj_readstat(void)
{
return rj_readbyte(GSTAT, __func__);
}
int rj485_getc(void)
{
return rj_readbyte(RS485D);
}
int rj232_getc(void)
{
return rj_readbyte(RS232D);
}
int rj_readstat(void)
{
return rj_readbyte(GSTAT);
}
