int16_t
parse_cmd_onewire_list(char *cmd, char *output, uint16_t len)
{
uint8_t firstonbus = 0;
int16_t ret;
if (ow_global.lock == 0)
{
firstonbus = 1;
#if ONEWIRE_BUSCOUNT > 1
ow_global.bus = 0;
#endif
OW_DEBUG_LIST("called onewire list for the first time\n");
#ifdef ONEWIRE_DS2502_SUPPORT
/* parse optional parameters */
while (*cmd == ' ')
cmd++;
switch (*cmd)
{
case 't':
ow_global.list_type = OW_LIST_TYPE_TEMP_SENSOR;
break;
case 'e':
ow_global.list_type = OW_LIST_TYPE_EEPROM;
break;
case '\0':
ow_global.list_type = OW_LIST_TYPE_ALL;
break;
default:
return ECMD_ERR_PARSE_ERROR;
}
#endif
}
else
{
OW_DEBUG_LIST("called onewire list again\n");
firstonbus = 0;
}
#if defined ONEWIRE_DS2502_SUPPORT || ONEWIRE_BUSCOUNT > 1
list_next:;
#endif
#if ONEWIRE_BUSCOUNT > 1
ret =
ow_search_rom((uint8_t) (1 << (ow_global.bus + ONEWIRE_STARTPIN)),
firstonbus);
#else
ret = ow_search_rom(ONEWIRE_BUSMASK, firstonbus);
#endif
/* make sure only one conversion happens at a time */
ow_global.lock = 1;
if (ret == 1)
{
#ifdef ONEWIRE_DS2502_SUPPORT
if (ow_global.list_type == OW_LIST_TYPE_ALL ||
(ow_global.list_type == OW_LIST_TYPE_TEMP_SENSOR &&
ow_temp_sensor(&ow_global.current_rom)) ||
(ow_global.list_type == OW_LIST_TYPE_EEPROM &&
ow_eeprom(&ow_global.current_rom)))
{
/* only print device rom address if it matches the selected list type */
#endif
OW_DEBUG_LIST("discovered device "
#if ONEWIRE_BUSCOUNT > 1
"%02x %02x %02x %02x %02x %02x %02x %02x on bus %d\n",
#else
"%02x %02x %02x %02x %02x %02x %02x %02x\n",
#endif
ow_global.current_rom.bytewise[0],
ow_global.current_rom.bytewise[1],
ow_global.current_rom.bytewise[2],
ow_global.current_rom.bytewise[3],
ow_global.current_rom.bytewise[4],
ow_global.current_rom.bytewise[5],
ow_global.current_rom.bytewise[6],
ow_global.current_rom.bytewise[7]
#if ONEWIRE_BUSCOUNT > 1
, ow_global.bus);
#else
);
#endif
#ifdef ONEWIRE_NAMING_SUPPORT
char *name = "";
ow_sensor_t *sensor = ow_find_sensor(&ow_global.current_rom);
if (sensor != NULL && sensor->named)
{
name = sensor->name;
}
#endif
ret = snprintf_P(output, len, PSTR("%02x%02x%02x%02x%02x%02x%02x%02x"
#ifdef ONEWIRE_NAMING_SUPPORT
"\t%s"
#endif
),
ow_global.current_rom.bytewise[0],
ow_global.current_rom.bytewise[1],
ow_global.current_rom.bytewise[2],
ow_global.current_rom.bytewise[3],
ow_global.current_rom.bytewise[4],
ow_global.current_rom.bytewise[5],
ow_global.current_rom.bytewise[6],
ow_global.current_rom.bytewise[7]
#ifdef ONEWIRE_NAMING_SUPPORT
, name
#endif
);
OW_DEBUG_LIST("generated %d bytes\n", ret);
/* set return value that the parser has to be called again */
if (ret > 0)
ret = ECMD_AGAIN(ret);
OW_DEBUG_LIST("returning %d\n", ret);
return ECMD_FINAL(ret);
#ifdef ONEWIRE_DS2502_SUPPORT
}
int16_t
parse_cmd_onewire_list(char *cmd, char *output, uint16_t len)
{
#ifdef ONEWIRE_DS2502_SUPPORT
int8_t list_type;
while (*cmd == ' ')
cmd++;
switch (*cmd)
{
case 't':
list_type = OW_LIST_TYPE_TEMP_SENSOR;
break;
case 'e':
list_type = OW_LIST_TYPE_EEPROM;
break;
case '\0':
list_type = OW_LIST_TYPE_ALL;
break;
default:
return ECMD_ERR_PARSE_ERROR;
}
cmd++; /* for static bytes */
#endif
/* trick: use bytes on cmd as "connection specific static variables" */
if (cmd[0] != ECMD_STATE_MAGIC) /* indicator flag: real invocation: 0 */
{
cmd[0] = ECMD_STATE_MAGIC; /* continuing call: 23 */
cmd[1] = 0; /* counter for sensors in list */
}
uint8_t i = cmd[1];
/* This is a special case: the while loop below printed a sensor which was
* last in the list, so we still need to send an 'OK' after the sensor id */
if (i >= OW_SENSORS_COUNT)
return ECMD_FINAL_OK;
int16_t ret = 0;
do
{
if (ow_sensors[i].ow_rom_code.raw != 0)
{
#ifdef ONEWIRE_DS2502_SUPPORT
if (list_type == OW_LIST_TYPE_ALL ||
(list_type == OW_LIST_TYPE_TEMP_SENSOR &&
ow_temp_sensor(&ow_sensors[i].ow_rom_code)) ||
(list_type == OW_LIST_TYPE_EEPROM &&
ow_eeprom(&ow_sensors[i].ow_rom_code)))
{
#endif
#ifdef ONEWIRE_NAMING_SUPPORT
const char *name = "";
if (ow_sensors[i].named)
name = ow_sensors[i].name;
#endif
#ifdef ONEWIRE_ECMD_LIST_VALUES_SUPPORT
char temperature[7];
itoa_fixedpoint(ow_sensors[i].temp.val,
ow_sensors[i].temp.twodigits + 1, temperature,
sizeof(temperature));
#endif
ret = snprintf_P(output, len, PSTR("%02x%02x%02x%02x%02x%02x%02x%02x"
#ifdef ONEWIRE_NAMING_SUPPORT
"\t%s"
#endif
#ifdef ONEWIRE_ECMD_LIST_VALUES_SUPPORT
"\t%s"
#endif
#ifdef ONEWIRE_ECMD_LIST_POWER_SUPPORT
"\t%d"
#endif
), ow_sensors[i].ow_rom_code.bytewise[0],
ow_sensors[i].ow_rom_code.bytewise[1],
ow_sensors[i].ow_rom_code.bytewise[2],
ow_sensors[i].ow_rom_code.bytewise[3],
ow_sensors[i].ow_rom_code.bytewise[4],
ow_sensors[i].ow_rom_code.bytewise[5],
ow_sensors[i].ow_rom_code.bytewise[6],
ow_sensors[i].ow_rom_code.bytewise[7]
#ifdef ONEWIRE_NAMING_SUPPORT
, name
#endif
#ifdef ONEWIRE_ECMD_LIST_VALUES_SUPPORT
, temperature
#endif
#ifdef ONEWIRE_ECMD_LIST_POWER_SUPPORT
, ow_sensors[i].power
#endif
);
#ifdef ONEWIRE_DS2502_SUPPORT
}
#endif
}
i++;
}
while (ret == 0 && i < OW_SENSORS_COUNT);
/* The while loop exited either because a sensor has been found or because
* there is no sensor left, let's check for that */
if (ret == 0)
{
/* => i has reached OW_SENSORS_COUNT */
return ECMD_FINAL_OK;
}
/* else, ret is != 0 which means a sensor has been found and this functions
* has to be called again to prevent a buffer overflow. save i to cmd[1] */
cmd[1] = i;
return ECMD_AGAIN(ret);
}
int16_t parse_cmd_onewire_list(char *cmd, char *output, uint16_t len)
{
int8_t list_type;
while (*cmd == ' ')
cmd++;
switch (*cmd) {
case 't':
list_type = OW_LIST_TYPE_TEMP_SENSOR;
break;
case 'e':
list_type = OW_LIST_TYPE_EEPROM;
break;
case '\0':
list_type = OW_LIST_TYPE_ALL;
break;
default:
return ECMD_ERR_PARSE_ERROR;
}
static uint8_t i=0;
if(i>=OW_SENSORS_COUNT)
{
i=0;
return ECMD_FINAL_OK;
}
int16_t ret=0;
do
{
if(ow_sensors[i].ow_rom_code.raw != 0)
{
if ((list_type == OW_LIST_TYPE_ALL) || (list_type == OW_LIST_TYPE_TEMP_SENSOR && ow_temp_sensor(&ow_sensors[i].ow_rom_code)) || (list_type == OW_LIST_TYPE_EEPROM && ow_eeprom(&ow_sensors[i].ow_rom_code))) {
ret = snprintf_P(output, len,
PSTR("%02x%02x%02x%02x%02x%02x%02x%02x"),
ow_sensors[i].ow_rom_code.bytewise[0],
ow_sensors[i].ow_rom_code.bytewise[1],
ow_sensors[i].ow_rom_code.bytewise[2],
ow_sensors[i].ow_rom_code.bytewise[3],
ow_sensors[i].ow_rom_code.bytewise[4],
ow_sensors[i].ow_rom_code.bytewise[5],
ow_sensors[i].ow_rom_code.bytewise[6],
ow_sensors[i].ow_rom_code.bytewise[7]
);
}
}
i++;
} while(ret == 0 && i<OW_SENSORS_COUNT);
return ECMD_AGAIN(ret);
}
