$PW - Power and Temperature Status
This unsolicited message provides a description of the power supply and temperature status.
Some fields are available only if hardware supports battery and/or solar supply operation. Power
status unsolicited messages can be enabled/disabled using the
$PW
command.
$PW <batt_amps>,<batt_volts>,<solar_amps>,<solar_volts>,<temp>*xx
Parameter
Description
batt_amps
Battery amperage drawn in A in d.ddddd format (float) - NOT USED
ON TILE
batt_volts
Battery voltage measured in V in d.ddddd format (float) - NOT USED
ON TILE
solar_amps
Solar amperage drawn in A in d.ddddd format(float) - NOT USED ON
TILE
solar_volts
Solar voltage measured in V in d.ddddd format(float) - NOT USED ON
TILE
temp
CPU Temperature in degrees C to one decimal point (float)
$RD - Receive Data
This unsolicited message provides an ASCII-encoded hexadecimal string with the user data
received from the Swarm network. Some fields also include signal quality information for the
received message. Received data unsolicited messages can be enabled/disabled using the
$MM
command with the message notification option.
$RD <rssi>,<snr>,<fdev>,<data>*xx
Parameter
Description
rssi
Received signal strength in dBm (integer)
snr
Signal to noise ratio in dB (integer)
fdev
Frequency deviation in Hz (integer)
data
ASCII-encoded hexadecimal data from received message
June 2020
Swarm Tile Manual - Rev 1.00
33/63