lteiot 2.2.0
lteiot

LTE IoT Click

LTE IoT Click demo application is developed using the NECTO Studio, ensuring compatibility with mikroSDK's open-source libraries and tools. Designed for plug-and-play implementation and testing, the demo is fully compatible with all development, starter, and mikromedia boards featuring a mikroBUS™ socket.

Click Library

  • Author : MikroE Team
  • Date : Apr 2020.
  • Type : UART GSM/IOT type

Software Support

Example Description

This example reads and processes data from LTE IoT Click.

Example Libraries

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.LteIot

Example Key Functions

Application Init

Initializes driver and wake-up module and sets default configuration for connecting device to network.

void application_init ( void )
{
log_cfg_t log_cfg;
lteiot_cfg_t lteiot_cfg;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
Delay_ms ( 1000 );
// Click initialization.
lteiot_cfg_setup( &lteiot_cfg );
LTEIOT_MAP_MIKROBUS( lteiot_cfg, MIKROBUS_1 );
err_t init_flag = lteiot_init( &lteiot, &lteiot_cfg );
if ( init_flag == UART_ERROR )
{
log_error( &logger, " Application Init Error. " );
log_info( &logger, " Please, run program again... " );
for ( ; ; );
}
log_info( &logger, " Power on device... " );
lteiot_power_on( &lteiot );
// dummy read
lteiot_process( );
lteiot_clear_app_buf( );
// AT
lteiot_send_cmd( &lteiot, LTEIOT_CMD_AT );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 500 );
// ATI - product information
lteiot_send_cmd( &lteiot, LTEIOT_CMD_ATI );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 500 );
// CGMR - firmware version
lteiot_send_cmd( &lteiot, LTEIOT_CMD_CGMR );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 500 );
// COPS - deregister from network
lteiot_send_cmd_with_parameter( &lteiot, LTEIOT_CMD_COPS, "2" );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 500 );
// CGDCONT - set sim apn
lteiot_set_sim_apn( &lteiot, SIM_APN );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 500 );
// CFUN - full funtionality
lteiot_send_cmd_with_parameter( &lteiot, LTEIOT_CMD_CFUN, "1" );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 500 );
// COPS - automatic mode
lteiot_send_cmd_with_parameter( &lteiot, LTEIOT_CMD_COPS, "0" );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
// CEREG - network registration status
lteiot_send_cmd_with_parameter( &lteiot, LTEIOT_CMD_CEREG, "2" );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 500 );
// CIMI - request IMSI
lteiot_send_cmd( &lteiot, LTEIOT_CMD_CIMI );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 500 );
app_buf_len = 0;
app_buf_cnt = 0;
app_connection_status = WAIT_FOR_CONNECTION;
log_info( &logger, " Application Task " );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
}
LTEIOT_CMD_CIMI
#define LTEIOT_CMD_CIMI
Definition lteiot.h:106
LTEIOT_CMD_COPS
#define LTEIOT_CMD_COPS
Definition lteiot.h:110
LTEIOT_CMD_CFUN
#define LTEIOT_CMD_CFUN
Definition lteiot.h:102
LTEIOT_CMD_CEREG
#define LTEIOT_CMD_CEREG
Definition lteiot.h:104
LTEIOT_CMD_CGMR
#define LTEIOT_CMD_CGMR
Definition lteiot.h:100
LTEIOT_CMD_ATI
#define LTEIOT_CMD_ATI
Definition lteiot.h:99
LTEIOT_CMD_AT
#define LTEIOT_CMD_AT
Definition lteiot.h:98
LTEIOT_MAP_MIKROBUS
#define LTEIOT_MAP_MIKROBUS(cfg, mikrobus)
Definition lteiot.h:66
lteiot_set_sim_apn
void lteiot_set_sim_apn(lteiot_t *ctx, char *sim_apn)
Set sim card APN.
lteiot_send_cmd_with_parameter
void lteiot_send_cmd_with_parameter(lteiot_t *ctx, char *at_cmd_buf, char *param_buf)
Send command function with parameter.
application_init
void application_init(void)
Definition main.c:124
SIM_APN
#define SIM_APN
Definition main.c:49
WAIT_FOR_CONNECTION
#define WAIT_FOR_CONNECTION
Definition main.c:55

Application Task

Waits for device to connect to network and then sends SMS to selected phone number.

void application_task ( void )
{
if ( app_connection_status == WAIT_FOR_CONNECTION )
{
// CGATT - request IMSI
lteiot_send_cmd_check( &lteiot, LTEIOT_CMD_CGATT );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 500 );
// CEREG - network registration status
lteiot_send_cmd_check( &lteiot, LTEIOT_CMD_CEREG );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 500 );
// CSQ - signal quality
lteiot_send_cmd( &lteiot, LTEIOT_CMD_CSQ );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
}
else
{
log_info( &logger, "CONNECTED TO NETWORK" );
// SMS message format - text mode
lteiot_send_cmd_with_parameter( &lteiot, "AT+CMGF", "1" );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
for( ; ; )
{
log_printf( &logger, "> Sending message to phone number...\r\n" );
lteiot_send_text_message( &lteiot, PHONE_NUMBER_TO_MESSAGE, MESSAGE_CONTENT );
app_error_flag = lteiot_rsp_check( );
lteiot_error_check( app_error_flag );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
}
}
}
LTEIOT_CMD_CGATT
#define LTEIOT_CMD_CGATT
Definition lteiot.h:107
LTEIOT_CMD_CSQ
#define LTEIOT_CMD_CSQ
Definition lteiot.h:108
lteiot_send_text_message
void lteiot_send_text_message(lteiot_t *ctx, char *phone_number, char *message_context)
LTE IoT send text message.
lteiot_send_cmd_check
void lteiot_send_cmd_check(lteiot_t *ctx, char *at_cmd_buf)
Check the sent command.
application_task
void application_task(void)
Definition main.c:228
PHONE_NUMBER_TO_MESSAGE
#define PHONE_NUMBER_TO_MESSAGE
Definition main.c:50
MESSAGE_CONTENT
#define MESSAGE_CONTENT
Definition main.c:51

Note

In order for the example to work, user needs to set the phone number and sim apn to which he wants to send an SMS Enter valid data for the following macros: SIM_APN and PHONE_NUMBER_TO_MESSAGE.

E.g.

  • SIM_APN "vipmobile"
  • PHONE_NUMBER_TO_MESSAGE "999999999"

Application Output

This Click board can be interfaced and monitored in two ways:

  • Application Output - Use the "Application Output" window in Debug mode for real-time data monitoring. Set it up properly by following this tutorial.
  • UART Terminal - Monitor data via the UART Terminal using a USB to UART converter. For detailed instructions, check out this tutorial.

Additional Notes and Information

The complete application code and a ready-to-use project are available through the NECTO Studio Package Manager for direct installation in the NECTO Studio. The application code can also be found on the MIKROE GitHub account.

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