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Example to read the modem IMEI and eUICC/SIM IMSI
main.cpp
- Committer:
- RobMeades
- Date:
- 2018-02-15
- Revision:
- 1:63483ec4d0ff
- Parent:
- 0:b51700dcba34
- Child:
- 2:397a4c92da82
File content as of revision 1:63483ec4d0ff:
/* mbed Microcontroller Library * Copyright (c) 2017 u-blox * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "mbed.h" #include "ATCmdParser.h" #include "FileHandle.h" #include "onboard_modem_api.h" /* Definitions */ #define OUTPUT_ENTER_KEY "\r" #define AT_PARSER_BUFFER_SIZE 256 #define AT_PARSER_TIMEOUT 8*1000 // Milliseconds /* The example program for the u-blox C030 boards. It sets up the Cellular Module then read out the IMSI of the eUICC/SIM. * The Uer LEDs (RGB) and User Button are utilised to show the activity on the board. * When GNSS has a location fix, the Red Timepulse LED, next to the User LEDs, blinks every 1 second. */ /* File handler */ FileHandle *fh; /* AT Command Parser handle */ ATCmdParser *at; // User LEDs DigitalOut ledRed(LED1, 1); DigitalOut ledGreen(LED2, 1); DigitalOut ledBlue(LED3, 1); // Ethernet socket LED DigitalOut ledYellow(LED4,1); // User Button #ifdef TARGET_UBLOX_C027 // No user button on C027 InterruptIn userButton(NC); #else InterruptIn userButton(SW0); #endif // Delay between LED changes in second volatile float delay = 0.5; // To check if the user pressed the User Button or not void threadBodyUserButtonCheck(void const *args){ float delayToggle = delay; while (1){ if (userButton.read() == 1 ) { // User Button is pressed delay = 0.1; // Indicate with the Yellow LED on Ethernet socket ledYellow = 0; } else { // User button is released delay = 0.5; // Turn off the Yellow LED on Ethernet socket ledYellow = 1; } } } // Setup the modem bool setup_modem(){ bool success = false; /* Initialize GPIO lines */ onboard_modem_init(); /* Give modem a little time to settle down */ wait_ms(250); printf("Powering up the modem\r\n"); onboard_modem_power_up(); #ifdef TARGET_UBLOX_C030_N211 wait_ms(5000); #else wait_ms(500); #endif // Set AT parser timeout to 1sec for AT OK check at->set_timeout(1000); printf("Checking for AT response from the modem\r\n"); for (int retry_count = 0; !success && (retry_count < 20); retry_count++) { printf("...wait\r\n"); // The modem tends to sends out some garbage during power up. at->flush(); // AT OK talk to the modem if (at->send("AT")) { wait_ms(100); if (at->recv("OK")) { success = true; } } } // Increase the parser time to 8 sec at->set_timeout(8000); if (success) { printf("Configuring the modem\r\n"); #ifdef TARGET_UBLOX_C030_N211 // Turn off modem echoing and turn on verbose responses success = at->send("AT+CMEE=1"); #else // Set the final baud rate if (at->send("AT+IPR=%d", 115200) && at->recv("OK")) { // Need to wait for things to be sorted out on the modem side wait_ms(100); ((UARTSerial *)fh)->set_baud(115200); } // Turn off modem echoing and turn on verbose responses success = at->send("ATE0;+CMEE=2") && at->recv("OK") && // The following commands are best sent separately // Turn off RTC/CTS handshaking at->send("AT&K0") && at->recv("OK") && // Set DCD circuit(109), changes in accordance with // the carrier detect status at->send("AT&C1") && at->recv("OK") && // Set DTR circuit, we ignore the state change of DTR at->send("AT&D0") && at->recv("OK"); #endif } return success; } /* ** Reading the modem IMEI and eUICC/SIM IMSI ** */ int main() { bool success = false; printf("\n\r\n\ru-blox C030 reading the modem IMEI and eUICC/SIM IMSI\n\r"); printf("Initialising UART for modem communication"); fh = new UARTSerial(MDMTXD, MDMRXD, 9600); printf("...DONE\r\n"); // NOTE: if you are experiencing problems with the AT command // exchange, change the "false" below to "true" to get debug output // from the AT command parser printf("Initialising the modem AT command parser"); at = new ATCmdParser(fh, OUTPUT_ENTER_KEY, AT_PARSER_BUFFER_SIZE, AT_PARSER_TIMEOUT, false); printf("...DONE\r\n"); printf("Initializing the modem\r\n"); if (setup_modem()) { printf("...DONE\r\nThe modem powered up\r\n"); char imei[25+1]; char imsi[15+1]; printf("Reading IMEI and IMSI\r\n"); #ifdef TARGET_UBLOX_C030_N211 if (at->send("AT+CGSN=1") && at->recv("\nOK\n%25[^\n]\nOK\n", imei)){ printf("IMEI: %s\r\n",imei + 6); // Avoid the "+CGSN:" prefix } #else if (at->send("AT+CGSN") && at->recv("%15[^\n]\nOK\n", imei)){ printf("IMEI: %s\r\n",imei); } #endif // Sometimes it takes a little while for the SIM to be initialised, // so retry this until done at->set_timeout(1000); for (int retry_count = 0; !success && (retry_count < 10); retry_count++) { if (at->send("AT+CIMI") && at->recv("%15[^\n]\nOK\n", imsi)){ printf("IMSI: %s\r\n",imsi); success = true; } } if (!success) { printf("Unable to read IMSI: has a SIM been inserted?\r\n"); } } else { printf("Unable to intialize modem\r\n"); } printf("FINISHED...\r\n"); // Create threadUserButtonCheck thread Thread threadUserButtonCheck(threadBodyUserButtonCheck); // Set the LED states ledRed = 0; ledGreen = 1; ledBlue = 1; // Main loop while(1) { wait(delay); // Shift the LED states int carry = ledBlue; ledBlue = ledRed; ledRed = ledGreen; ledGreen = carry; } } // End Of File