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Merge pull request #99 from mnltake/master
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getPsmTimer change
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@lewisxhe
lewisxhe authored Jan 23, 2025
2 parents 1e2fac8 + b280568 commit cee39b9
Showing 1 changed file with 37 additions and 126 deletions.
163 changes: 37 additions & 126 deletions examples/MinimalModemPowerSaveMode/MinimalModemPowerSaveMode.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -287,7 +287,6 @@ void loop()

void getPsmTimer()
{

// AT+CPSMS=[<mode>[,<Requested_Periodic-RAU>[,<Requested_GPRS-READY-timer>[,<Requested_Periodic-TAU>[,<Requested_Active-Time>]]]]]
// <mode>
// 0 - Disable the use of PSM 1 - Enable the use of PSM
Expand All @@ -299,153 +298,65 @@ void getPsmTimer()
// ! T3412
// String type; one byte in an 8 bit format. Requested extended periodic TAU value (T3412) to be allocated to the UE in E-UTRAN.
// The requested extended periodic TAU value is coded as one byte (octet 3) of the GPRS Timer 3 information element coded as bit format (e.g. "01000111" equals 70 hours).
// For the coding and the value range, see the GPRS Timer 3 IE in 3GPP TS 24.008 [8] Table 10.5.163a/3GPP TS 24.008.
// See also 3GPP TS 23.682 [149] and 3GPP TS 23.401 [82]. The default value, if available, is manufacturer specific.
// For the coding and the value range, see SIM7070_SIM7080_SIM7090 Series_Low Power Mode_Application Note_V1.02

// GPRS Timer 3 value (octet 3)
// Bits 5 to 1 represent the binary coded timer value.
// Bits 6 to 8 defines the timer value unit for the GPRS timer as follows:
// Bits
// 8 7 6
// 0 0 0 value is incremented in multiples of 10 minutes
// 0 0 1 value is incremented in multiples of 1 hour
// 0 1 0 value is incremented in multiples of 10 hours
// 0 1 1 value is incremented in multiples of 2 seconds
// 1 0 0 value is incremented in multiples of 30 seconds
// 1 0 1 value is incremented in multiples of 1 minute
// 1 1 1 value indicates that the timer is deactivated.
// Other values shall be interpreted as multiples of 1 hour in this version of the protocol.
// 0 0 0 value is incremented in multiples of 10 minutes (Min 2400sec Max 18600sec)
// 0 0 1 value is incremented in multiples of 1 hour (Min 21600sec Max 111600sec)
// 0 1 0 value is incremented in multiples of 10 hours (Min 144000sec Max 1116000sec)
// 0 1 1 value is incremented in multiples of 2 seconds (Min 0sec Max 62sec)
// 1 0 0 value is incremented in multiples of 30 seconds (Min 90sec Max 930sec)
// 1 0 1 value is incremented in multiples of 1 minute (Min 960sec Max 1860sec)
// 1 1 0 value is incremented in multiples of 320 hours (Min 1152000sec Max 35712000sec)
//
// <Requested_Active-Time>
// ! T3324
// String type; one byte in an 8 bit format.
// Requested Active Time valuen (T3324) to be allocated to the UE.
// The requested Active Time value is coded as one byte (octet 3) of the GPRS Timer 2 information element coded as bit format (e.g. "00100100" equals 4 minutes).
// For the coding and the value range,
// see the GPRS Timer 2 IE in 3GPP TS 24.008 [8] Table 10.5.163/3GPP TS 24.008.
// See also 3GPP TS 23.682 [149], 3GPP TS 23.060 [47] and 3GPP TS 23.401 [82]. The default value, if available, is manufacturer specific.
// see SIM7070_SIM7080_SIM7090 Series_Low Power Mode_Application Note_V1.02

// GPRS Timer 3 value (octet 3)
// Bits 5 to 1 represent the binary coded timer value.
// Bits 6 to 8 defines the timer value unit for the GPRS timer as follows:
// Bits
// 8 7 6
// 0 0 0 value is incremented in multiples of 10 minutes
// 0 0 1 value is incremented in multiples of 1 hour
// 0 1 0 value is incremented in multiples of 10 hours
// 0 1 1 value is incremented in multiples of 2 seconds
// 1 0 0 value is incremented in multiples of 30 seconds
// 1 0 1 value is incremented in multiples of 1 minute
// 1 1 1 value indicates that the timer is deactivated.
// Other values shall be interpreted as multiples of 1 hour in this version of the protocol.
// 0 0 0 value is incremented in multiples of 2 seconds (Min 0sec Max 62sec)
// 0 0 1 value is incremented in multiples of 1 minute (Min 120sec Max 1860sec)
// 0 1 0 value is incremented in multiples of 6 minutes (Min 2160sec Max 11160sec)
//

String result;

modem.sendAT("+CEREG?");
modem.sendAT("+CPSMRDP");

if (modem.waitResponse(5000, "+CEREG: ") != 1) {
if (modem.waitResponse(5000, "+CPSMRDP: ") != 1) {
Serial.println("Failed to get CPSMRDP response");
return;
}

result = modem.stream.readStringUntil('\r');
for (int i = 0; i < 7; ++i) {
int index = result.indexOf(",");
if (index >= 0) {
result = result.substring(index + 1);
}
}

result.replace("\"", "");
String T3412, T3324;
T3412 = result.substring(0, result.indexOf(",") );
T3324 = result.substring(result.indexOf(",") + 1);
Serial.print("T3412:");
Serial.println(T3412);
Serial.print("T3324:");
Serial.println(T3324);



int T3412_int = 0, T3324_int = 0;
for (int i = 0; i < 8; ++i) {
if (T3412[i] == '1') {
T3412_int |= (1 << (7 - i));
}
}
Serial.print("T3412_int:");
Serial.println(T3412_int, BIN);

for (int i = 0; i < 8; ++i) {
if (T3324[i] == '1') {
T3324_int |= (1 << (7 - i));
}
}
Serial.print("T3324_int:");
Serial.println(T3324_int, BIN);

int T3324_flag = (T3324_int >> 5);
int T3324_timer = (T3324_int & 0x1F);

Serial.println("Active-Time:");
switch (T3324_flag) {
case 0:
Serial.println(" 0 0 0 value is incremented in multiples of 10 minutes");
Serial.printf(" T3324_timer: %u minutes\n", T3324_timer * 10);
break;
case 1:
Serial.println(" 0 0 1 value is incremented in multiples of 1 hour");
Serial.printf(" T3324_timer: %u hours\n", T3324_timer * 1);
break;
case 2:
Serial.println(" 0 1 0 value is incremented in multiples of 10 hours");
Serial.printf(" T3324_timer: %u hours\n", T3324_timer * 10);
break;
case 3:
Serial.println(" 0 1 1 value is incremented in multiples of 2 seconds");
Serial.printf(" T3324_timer: %u seconds\n", T3324_timer * 2);
break;
case 4:
Serial.println(" 1 0 0 value is incremented in multiples of 30 seconds");
Serial.printf(" T3324_timer: %u seconds\n", T3324_timer * 30);
break;
case 5:
Serial.println(" 1 0 1 value is incremented in multiples of 1 minute");
Serial.printf(" T3324_timer: %u minutes\n", T3324_timer * 1);
break;
default:
break;
}

int T3412_flag = (T3412_int >> 5);
int T3412_timer = (T3412_int & 0x1F);
Serial.println("Periodic-TAU:");
switch (T3412_flag) {
case 0:
Serial.println(" 0 0 0 value is incremented in multiples of 10 minutes");
Serial.printf(" T3412_timer: %u minutes\n", T3412_timer * 10);
break;
case 1:
Serial.println(" 0 0 1 value is incremented in multiples of 1 hour");
Serial.printf(" T3412_timer: %u hours\n", T3412_timer * 1);
break;
case 2:
Serial.println(" 0 1 0 value is incremented in multiples of 10 hours");
Serial.printf(" T3412_timer: %u hours\n", T3412_timer * 10);
break;
case 3:
Serial.println(" 0 1 1 value is incremented in multiples of 2 seconds");
Serial.printf(" T3412_timer: %u seconds\n", T3412_timer * 2);
break;
case 4:
Serial.println(" 1 0 0 value is incremented in multiples of 30 seconds");
Serial.printf(" T3412_timer: %u seconds\n", T3412_timer * 30);

break;
case 5:
Serial.println(" 1 0 1 value is incremented in multiples of 1 minute");
Serial.printf(" T3412_timer: %u minutes\n", T3412_timer * 1);
break;
default:
break;
}

}
Serial.println("Raw response: " + result);

// Parse and display the results
int mode, requestedActiveTime, requestedPeriodicTAU, networkActiveTime, networkT3412ExtValue, networkT3412Value;
sscanf(result.c_str(), "%d,%d,%d,%d,%d,%d", &mode, &requestedActiveTime, &requestedPeriodicTAU, &networkActiveTime, &networkT3412ExtValue, &networkT3412Value);

Serial.println("Parsed response:");
Serial.print("Mode: ");
Serial.println(mode == 1 ? "enable" : "disable");
Serial.print("Requested Active Time: ");
Serial.println(requestedActiveTime);
Serial.print("Requested Periodic TAU: ");
Serial.println(requestedPeriodicTAU);
Serial.print("Network Active Time: ");
Serial.println(networkActiveTime);
Serial.print("Network T3412 EXT Value: ");
Serial.println(networkT3412ExtValue);
Serial.print("Network T3412 Value: ");
Serial.println(networkT3412Value);
}

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