Analog Digital Converters Measurements +Adc; Mobile Equipment Event Reporting +Cmer - Multitech MTCBA-C-IP-N12 Reference Manual

Analog Digital Converters Measurements +ADC

This command returns the current raw value of the specified ADC data item. Two external and four internal
Description:
items can be queried.
VBATT
THERM
HDET
ADC_0
ADC_1
ADC_CHG_MON
Values: <item>
VBATT:
0
THERM:
1
HDET:
2
ADC_0:
3
ADC_1:
4
ADC_CHG_MON: 0 to 4.2 volts. Value = (CHG_IN*256)/4.2 Value range: 0-255 or ~ .0165 volt per
5
Command syntax: AT+ADC=<item>
Syntax:
Command
AT+ADC=0
Note: Select VBATT
AT+ADC=1
Note: Select THERM
AT+ADC=?
Note: Ask for the list of possible values
AT+ADC?
Note: Ask for the current item selected

Mobile Equipment Event Reporting +CMER

This command enables or disables the sending of unsolicited result codes in the case of a key press.
Description:
<keyp> (keypad) :
Values:
No keypad event reporting.
0
Keypad events are reporting using the unsolicited response: +CKEV: <key>, <press>.
1
See Chapter 21 regarding Key Press or Release, for more information on +CKEV.
Command syntax: AT+CMER=<keyp>
Syntax:
Command
AT+CMER?
Note: Display current setting.
AT+CMER=1
Note: Enable keypad event reporting.
Multi-Tech Systems, Inc. CDMA Wireless AT Commands (PN S000294J)
Battery voltage (+Vbatt) being supplied to the Modem.
Thermistor level (internal temperature) of the Modem.
Internal test use only.
External general-purpose user defined input (pin 33).
External general-purpose user defined input (pin 38).
Battery charger monitor (CHG_IN).
0 to 2.5 volts. Returned value = (+V_BAT*256)/(2.5*2.5) Range: 0-255.
Examples: 172 returned for 4.2 volts, 156 returned for 3.8 volts, 135 returned for
3.3 volts. Value range 0-255.
100 °C (68) to –40 °C (240). Returned value = (vt*256)/2.5 vt = -0.012*T + 1.864
"T" is thermistor temperature in °Celsius. Range: 68-240 or -1.2288 °C per step.
Internal use. Value range: 0-255
0 to 2.5 volts. Value = (Vadc*256)/2.5 Value range: 0-255 or ~.00977 volt per
step.
Same value, range, and step as ADC 0.
step.
Possible Responses
+ADC: 164
OK
Note: raw value for VBATT (~4.00 volts)
+ADC: 94
OK
Note: raw thermistor temperature (~34 ° C)
+ADC: (0-5)
Note: possible values 0 –5
+ADC: 1
OK
Note: THERM selected
Possible Responses
+CMER: 0
OK
Note: Keypad event reporting disabled.
OK
Note: Keypad event reporting enabled.
Chapter 13 – Specific AT Commands
77