int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
int i;
unsigned char sensors[] = CONFIG_DTT_SENSORS;
int old_bus;
/* switch to correct I2C bus */
old_bus = I2C_GET_BUS();
I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM);
/*
* Loop through sensors, read
* temperature, and output it.
*/
for (i = 0; i < sizeof (sensors); i++)
printf ("DTT%d: %i C\n", i + 1, dtt_get_temp (sensors[i]));
/* switch back to original I2C bus */
I2C_SET_BUS(old_bus);
return 0;
} /* do_dtt() */
int dtt_i2c(void)
{
#if defined CONFIG_DTT_SENSORS
int i;
unsigned char sensors[] = CONFIG_DTT_SENSORS;
int old_bus;
/* Force a compilation error, if there are more then 32 sensors */
BUILD_BUG_ON(sizeof(sensors) > 32);
/* switch to correct I2C bus */
#ifdef CONFIG_SYS_I2C
old_bus = i2c_get_bus_num();
i2c_set_bus_num(CONFIG_SYS_DTT_BUS_NUM);
#else
old_bus = I2C_GET_BUS();
I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM);
#endif
_initialize_dtt();
/*
* Loop through sensors, read
* temperature, and output it.
*/
for (i = 0; i < sizeof(sensors); i++)
printf("DTT%d: %i C\n", i + 1, dtt_get_temp(sensors[i]));
/* switch back to original I2C bus */
#ifdef CONFIG_SYS_I2C
i2c_set_bus_num(old_bus);
#else
I2C_SET_BUS(old_bus);
#endif
#endif
return 0;
}
