具备 LTE Cat 1 连接和 GNSS 支持的解决方案,非常适合车队管理、计量监控、安防监控及工业路由器等应用
A
A
硬件概览
它是如何工作的?
LTE Cat.1 7 Click 基于 SIMCom 的 SIM7672E LTE Cat 1 模块,采用最新的 QCX216 芯片组,覆盖欧洲和澳大利亚等地区。SIM7672E 支持 LTE-FDD 无线通信模式,最高下行速率为 10Mbps,上行速率为 5Mbps。此外,该模块支持多个 LTE 频段(B1/B3/B7/B8/B20/B28),集成了多星座 GNSS 支持、内置多个网络协议,并兼容多种操作系统的驱动程序(适用于 Windows、Linux 和 Android 的 USB 驱动)及 AT 命令。凭借广泛的功能,该 Click 板™ 非常适合车载信息服务、计量监控、安防设备、工业路由器和远程诊断等多种物联网应用。SIM7672E 与主机 MCU 通过 UART 接口通信,使用标准的 UART RX 和 TX 引脚以及硬件流控制引脚(CTS/RTS/RI - 清除发送/准备发送/响铃指示器)进行数据传输。模块默认通信速度为 115200bps,可通过 AT 命令实现高效数据交换。此 Click 板™ 还包括一个 USB Type C 接口,用于电源和数据传输,符合 USB 2.0 规范(仅
限外围设备)。此外,板后部配备了一个 USB 固件升级开关(标记为 USB BOOT),用于管理固件升级。开关的“0”位置为正常运行模式,“1”位置用于通过 USB 升级固件,确保升级过程简单直观。LTE Cat.1 7 Click 包括多项增强实用性和控制功能的附加功能。PWR 按钮允许用户轻松控制模块开关机,而 RESET 按钮则提供快速复位模块的功能。这些功能还可以通过 mikroBUS™ 引脚 PWR 和 RST 数字控制,提供更大的灵活性。此外,这些控制还配有专用测试点,便于调试和测试。板载多种视觉指示器,用于提供实时状态更新。黄色 NET LED 指示模块的当前网络状态:当 LED 常亮时,设备正在搜索网络;快速闪烁(200ms 开/关)表示数据传输或 4G 网络注册;当 LED 熄灭时,设备处于关闭或睡眠模式。红色 STAT LED 指示模块的电源状态:模块关闭时熄灭,模块开启时亮起。绿色 PPS LED 每秒发出一次来自 SIM7672E 的同步脉冲信号。该板还配备了两个 u.Fl
接口,用于连接 MIKROE 提供的 LTE 和 GNSS 天线,例如 LTE 扁平旋转天线和主动 GPS 天线,同时结合 IPEX-SMA 电缆提供灵活高效的连接选项。此外,用户可以通过 GNSS ANT 跳线轻松选择 GNSS 天线的电源电压(3.3V 或 5V)。LTE Cat.1 7 Click 配备了一个 micro SIM 卡插槽,支持 1.8V 和 3.0V 的 uSIM 卡,确保兼容各种蜂窝网络,用户可以根据具体应用选择最合适的服务提供商。此 Click 板™ 可通过 VCC SEL 跳线选择以 3.3V 或 5V 逻辑电压运行。由于 SIM7672E 模块运行于 3.8V,板上使用了 TXB0106 逻辑电平转换器,以确保模块的正确运行和精确信号电平转换。这样,无论是 3.3V 还是 5V 的 MCU 都能正常使用通信线路。此外,该 Click 板™ 附带一个库,包含易于使用的函数和示例代码,可作为进一步开发的参考。
功能概述
开发板
EasyPIC v8 是一款专为快速开发嵌入式应用的需求而特别设计的开发板。它支持许多高引脚计数的8位PIC微控制器,来自Microchip,无论它们的引脚数量如何,并且具有一系列独特功能,例如首次集成的调试器/程序员。开发板布局合理,设计周到,使得最终用户可以在一个地方找到所有必要的元素,如开关、按钮、指示灯、连接器等。得益于创新的制造技术,EasyPIC v8 提供了流畅而沉浸式的工作体验,允许在任何情况下、任何地方、任何时候都能访问。
EasyPIC v8 开发板的每个部分都包含了使同一板块运行最高效的必要组件。除了先进的集成CODEGRIP程 序/调试模块,该模块提供许多有价值的编程/调试选项和与Mikroe软件环境的无缝集成外,该板还包括一个干净且调节过的开发板电源供应模块。它可以使用广泛的外部电源,包括电池、外部12V电源供应和通过USB Type-C(USB-C)连接器的电源。通信选项如USB-UART、USB DEVICE和CAN也包括在内,包括 广受好评的mikroBUS™标准、两种显示选项(图形和
基于字符的LCD)和几种不同的DIP插座。这些插座覆盖了从最小的只有八个至四十个引脚的8位PIC MCU的广泛范围。EasyPIC v8 是Mikroe快速开发生态系统的一个组成部分。它由Mikroe软件工具原生支持,得益于大量不同的Click板™(超过一千块板),其数量每天都在增长,它涵盖了原型制作和开发的许多方面。
微控制器概述
MCU卡片 / MCU

建筑
PIC
MCU 内存 (KB)
24
硅供应商
Microchip
引脚数
40
RAM (字节)
2048
你完善了我!
配件
LTE Flat Rotation Antenna 是增强 3G/4G LTE 设备性能的多功能选择。凭借 700-2700MHz 的宽频率范围,它确保在全球主要蜂窝频段上的最佳连接。该平板天线采用 SMA 公头连接器,便于直接连接到设备或 SMA 模块连接器。其亮点之一是可调角度,可按 45⁰ 增量(0⁰/45⁰/90⁰)设置,允许您微调天线的方向以获得最佳信号接收。具有 50Ω 阻抗和 <2.0:1 的电压驻波比 (VSWR),此天线确保可靠高效的连接。其 5dB 增益、垂直极化和全向辐射图形增强了信号强度,适用于各种应用。天线长度为 196mm,宽度为 38mm,提供紧凑但有效的解决方案来改善您的连接。最大输入功率为 50W,能够满足各种设备的需求。

主动 GPS 天线旨在增强您的 GPS 和 GNSS Click 板™ 的性能。这款外置天线结构坚固,适用于各种天气条件。凭借 1575.42MHz 的频率范围和 50Ohm 的阻抗,它确保了可靠的信号接收。天线在较宽的角度范围内提供大于 -4dBic 的增益,确保超过 75% 的覆盖率。± 5MHz 的带宽进一步保证了精确的数据采集。天线采用右旋圆极化 (RHCP),提供稳定的信号接收。其紧凑的尺寸为 48.5×39×15mm,配有 2 米长的电缆,安装方便。磁性天线类型与 SMA 公连接器确保了安全便捷的连接。如果您需要为定位设备提供可靠的外置天线,我们的主动 GPS 天线是完美的解决方案。

IPEX-SMA 电缆是一种射频 (RF) 电缆组件。"IPEX" 指的是 IPEX 连接器,这是一种常用于小型电子设备的微型同轴连接器。"SMA" 代表 SubMiniature Version A,是另一种常用于射频应用的同轴连接器。IPEX-SMA 电缆组件的一端是 IPEX 连接器,另一端是 SMA 连接器,使其能够连接使用这些特定连接器的设备或组件。这些电缆常用于 WiFi 或蜂窝天线、GPS 模块以及其他需要可靠且低损耗连接的射频通信系统。

使用的MCU引脚
mikroBUS™映射器
“仔细看看!”
Click board™ 原理图

一步一步来
项目组装
实时跟踪您的结果
应用程序输出
1. 应用程序输出 - 在调试模式下,“应用程序输出”窗口支持实时数据监控,直接提供执行结果的可视化。请按照提供的教程正确配置环境,以确保数据正确显示。

2. UART 终端 - 使用UART Terminal通过USB to UART converter监视数据传输,实现Click board™与开发系统之间的直接通信。请根据项目需求配置波特率和其他串行设置,以确保正常运行。有关分步设置说明,请参考提供的教程。

3. Plot 输出 - Plot功能提供了一种强大的方式来可视化实时传感器数据,使趋势分析、调试和多个数据点的对比变得更加直观。要正确设置,请按照提供的教程,其中包含使用Plot功能显示Click board™读数的分步示例。在代码中使用Plot功能时,请使用以下函数:plot(insert_graph_name, variable_name);。这是一个通用格式,用户需要将“insert_graph_name”替换为实际图表名称,并将“variable_name”替换为要显示的参数。

软件支持
库描述
LTE Cat.1 7 Click 演示应用程序使用 NECTO Studio开发,确保与 mikroSDK 的开源库和工具兼容。该演示设计为即插即用,可与所有具有 mikroBUS™ 插座的 开发板、入门板和 mikromedia 板完全兼容,用于快速实现和测试。
示例描述
此示例展示了设备连接到网络、发送 SMS 或 TCP/UDP 消息,以及通过标准 "AT" 命令检索 GNSS 数据的能力。
关键功能:
ltecat17_cfg_setup
- 配置对象初始化函数。ltecat17_init
- 初始化函数。ltecat17_set_sim_apn
- 设置 SIM 卡的 APN。ltecat17_cmd_run
- 向 Click 模块发送指定命令的函数。ltecat17_set_power_state
- 通过设置 PWR 引脚的高电平时间以切换到所需电源状态。
应用初始化
初始化驱动程序和日志记录。
应用任务
应用任务分为几个阶段:
LTECAT17_POWER_UP:
为设备通电,执行设备出厂重置,并读取系统信息。LTECAT17_CONFIG_CONNECTION:
配置设备以连接到网络(仅适用于 SMS 或 TCP/UDP 示例)。LTECAT17_CHECK_CONNECTION:
等待通过 CEREG 命令指示的网络注册,然后检查信号质量报告(仅适用于 SMS 或 TCP/UDP 示例)。LTECAT17_CONFIG_EXAMPLE:
为所选示例配置设备。LTECAT17_EXAMPLE:
根据所选的演示示例,它可以发送 SMS 消息(PDU 或 TXT 模式)、TCP/UDP 消息,或等待 GPS 修复以从 GNSS 检索位置信息。默认情况下选择 TCP/UDP 示例。
为了使示例正常运行(GNSS 示例除外),用户需要设置所插入 SIM 卡的 APN 和 SMSC(仅适用于 SMS PDU 模式),以及目标手机号码(仅适用于 SMS 模式)。请为以下宏定义输入有效值:SIM_APN、SIM_SMSC 和 PHONE_NUMBER_TO_MESSAGE。
示例:
SIM_APN "internet"
SIM_SMSC "+381610401"
PHONE_NUMBER_TO_MESSAGE "+381659999999"
开源
代码示例
完整的应用程序代码和一个现成的项目可以通过NECTO Studio包管理器直接安装到NECTO Studio。 应用程序代码也可以在MIKROE的GitHub账户中找到。
/*!
* @file main.c
* @brief LTE Cat.1 7 Click Example.
*
* # Description
* Application example shows device capability of connecting to the network and
* sending SMS or TCP/UDP messages, or retrieving data from GNSS using standard "AT" commands.
*
* The demo application is composed of two sections :
*
* ## Application Init
* Initializes the driver and logger.
*
* ## Application Task
* Application task is split in few stages:
* - LTECAT17_POWER_UP:
* Powers up the device, performs a device factory reset and reads system information.
*
* - LTECAT17_CONFIG_CONNECTION:
* Sets configuration to device to be able to connect to the network (used only for SMS or TCP/UDP demo examples).
*
* - LTECAT17_CHECK_CONNECTION:
* Waits for the network registration indicated via CEREG command and then checks the signal quality report
* (used only for SMS or TCP/UDP demo examples).
*
* - LTECAT17_CONFIG_EXAMPLE:
* Configures device for the selected example.
*
* - LTECAT17_EXAMPLE:
* Depending on the selected demo example, it sends an SMS message (in PDU or TXT mode) or TCP/UDP message or
* waits for the GPS fix to retrieve location info from GNSS.
*
* By default, the TCP/UDP example is selected.
*
* ## Additional Function
* - static void ltecat17_clear_app_buf ( void )
* - static void ltecat17_log_app_buf ( void )
* - static err_t ltecat17_process ( ltecat17_t *ctx )
* - static err_t ltecat17_read_response ( ltecat17_t *ctx, uint8_t *rsp )
* - static err_t ltecat17_power_up ( ltecat17_t *ctx )
* - static err_t ltecat17_config_connection ( ltecat17_t *ctx )
* - static err_t ltecat17_check_connection ( ltecat17_t *ctx )
* - static err_t ltecat17_config_example ( ltecat17_t *ctx )
* - static err_t ltecat17_example ( ltecat17_t *ctx )
*
* @note
* In order for the examples to work (except GNSS example), user needs to set the APN and SMSC (SMS PDU mode only)
* of entered SIM card as well as the phone number (SMS mode only) to which he wants to send an SMS.
* Enter valid values for the following macros: SIM_APN, SIM_SMSC and PHONE_NUMBER_TO_MESSAGE.
* Example:
SIM_APN "internet"
SIM_SMSC "+381610401"
PHONE_NUMBER_TO_MESSAGE "+381659999999"
*
* @author Stefan Filipovic
*
*/
#include "board.h"
#include "log.h"
#include "ltecat17.h"
#include "conversions.h"
// Example selection macros
#define EXAMPLE_TCP_UDP 0 // Example of sending messages to a TCP/UDP echo server
#define EXAMPLE_SMS 1 // Example of sending SMS to a phone number
#define EXAMPLE_GNSS 2 // Example of retrieving location info from GNSS
#define DEMO_EXAMPLE EXAMPLE_TCP_UDP // Example selection macro
// SIM APN config
#define SIM_APN "internet" // Set valid SIM APN
// SMS example parameters
#define SIM_SMSC "" // Set valid SMS Service Center Address - only in SMS PDU mode
#define PHONE_NUMBER_TO_MESSAGE "" // Set Phone number to message
#define SMS_MODE "1" // SMS mode: "0" - PDU, "1" - TXT
// TCP/UDP example parameters
#define REMOTE_IP "77.46.162.162" // TCP/UDP echo server IP address
#define REMOTE_PORT "51111" // TCP/UDP echo server port
// Message content
#define MESSAGE_CONTENT "LTE Cat.1 7 Click board - demo example."
// Application buffer size
#define APP_BUFFER_SIZE 256
#define PROCESS_BUFFER_SIZE 256
/**
* @brief Example states.
* @details Predefined enum values for application example state.
*/
typedef enum
{
LTECAT17_POWER_UP = 1,
LTECAT17_CONFIG_CONNECTION,
LTECAT17_CHECK_CONNECTION,
LTECAT17_CONFIG_EXAMPLE,
LTECAT17_EXAMPLE
} ltecat17_app_state_t;
/**
* @brief Application example variables.
* @details Variables used in application example.
*/
static uint8_t app_buf[ APP_BUFFER_SIZE ] = { 0 };
static int32_t app_buf_len = 0;
static ltecat17_app_state_t app_state = LTECAT17_POWER_UP;
static ltecat17_t ltecat17;
static log_t logger;
/**
* @brief LTE Cat.1 7 clearing application buffer.
* @details This function clears memory of application buffer and reset its length.
* @note None.
*/
static void ltecat17_clear_app_buf ( void );
/**
* @brief LTE Cat.1 7 log application buffer.
* @details This function logs data from application buffer to USB UART.
* @note None.
*/
static void ltecat17_log_app_buf ( void );
/**
* @brief LTE Cat.1 7 data reading function.
* @details This function reads data from device and concatenates data to application buffer.
* @param[in] ctx : Click context object.
* See #ltecat17_t object definition for detailed explanation.
* @return @li @c 0 - Read some data.
* @li @c -1 - Nothing is read.
* See #err_t definition for detailed explanation.
* @note None.
*/
static err_t ltecat17_process ( ltecat17_t *ctx );
/**
* @brief LTE Cat.1 7 read response function.
* @details This function waits for a response message, reads and displays it on the USB UART.
* @param[in] ctx : Click context object.
* See #ltecat17_t object definition for detailed explanation.
* @param[in] rsp Expected response.
* @return @li @c 0 - OK response.
* @li @c -2 - Timeout error.
* @li @c -3 - Command error.
* @li @c -4 - Unknown error.
* See #err_t definition for detailed explanation.
* @note None.
*/
static err_t ltecat17_read_response ( ltecat17_t *ctx, uint8_t *rsp );
/**
* @brief LTE Cat.1 7 power up function.
* @details This function powers up the device, performs device factory reset and reads system information.
* @param[in] ctx : Click context object.
* See #ltecat17_t object definition for detailed explanation.
* @return @li @c 0 - OK.
* @li @c != 0 - Read response error.
* See #err_t definition for detailed explanation.
* @note None.
*/
static err_t ltecat17_power_up ( ltecat17_t *ctx );
/**
* @brief LTE Cat.1 7 config connection function.
* @details This function configures and enables connection to the specified network.
* @param[in] ctx : Click context object.
* See #ltecat17_t object definition for detailed explanation.
* @return @li @c 0 - OK.
* @li @c != 0 - Read response error.
* See #err_t definition for detailed explanation.
* @note None.
*/
static err_t ltecat17_config_connection ( ltecat17_t *ctx );
/**
* @brief LTE Cat.1 7 check connection function.
* @details This function checks the connection to network.
* @param[in] ctx : Click context object.
* See #ltecat17_t object definition for detailed explanation.
* @return @li @c 0 - OK.
* @li @c != 0 - Read response error.
* See #err_t definition for detailed explanation.
* @note None.
*/
static err_t ltecat17_check_connection ( ltecat17_t *ctx );
/**
* @brief LTE Cat.1 7 config example function.
* @details This function configures device for the selected example.
* @param[in] ctx : Click context object.
* See #ltecat17_t object definition for detailed explanation.
* @return @li @c 0 - OK.
* @li @c != 0 - Read response error.
* See #err_t definition for detailed explanation.
* @note None.
*/
static err_t ltecat17_config_example ( ltecat17_t *ctx );
/**
* @brief LTE Cat.1 7 example function.
* @details This function executes SMS, TCP/UDP or GNSS example depending on the DEMO_EXAMPLE macro.
* @param[in] ctx : Click context object.
* See #ltecat17_t object definition for detailed explanation.
* @return @li @c 0 - OK.
* @li @c != 0 - Read response error.
* See #err_t definition for detailed explanation.
* @note None.
*/
static err_t ltecat17_example ( ltecat17_t *ctx );
void application_init ( void )
{
log_cfg_t log_cfg; /**< Logger config object. */
ltecat17_cfg_t ltecat17_cfg; /**< Click config object. */
/**
* Logger initialization.
* Default baud rate: 115200
* Default log level: LOG_LEVEL_DEBUG
* @note If USB_UART_RX and USB_UART_TX
* are defined as HAL_PIN_NC, you will
* need to define them manually for log to work.
* See @b LOG_MAP_USB_UART macro definition for detailed explanation.
*/
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
ltecat17_cfg_setup( <ecat17_cfg );
LTECAT17_MAP_MIKROBUS( ltecat17_cfg, MIKROBUS_1 );
if ( UART_ERROR == ltecat17_init( <ecat17, <ecat17_cfg ) )
{
log_error( &logger, " Communication init." );
for ( ; ; );
}
log_info( &logger, " Application Task " );
app_state = LTECAT17_POWER_UP;
log_printf( &logger, ">>> APP STATE - POWER UP <<<\r\n\n" );
}
void application_task ( void )
{
switch ( app_state )
{
case LTECAT17_POWER_UP:
{
if ( LTECAT17_OK == ltecat17_power_up( <ecat17 ) )
{
app_state = LTECAT17_CONFIG_CONNECTION;
log_printf( &logger, ">>> APP STATE - CONFIG CONNECTION <<<\r\n\n" );
}
break;
}
case LTECAT17_CONFIG_CONNECTION:
{
if ( LTECAT17_OK == ltecat17_config_connection( <ecat17 ) )
{
app_state = LTECAT17_CHECK_CONNECTION;
log_printf( &logger, ">>> APP STATE - CHECK CONNECTION <<<\r\n\n" );
}
break;
}
case LTECAT17_CHECK_CONNECTION:
{
if ( LTECAT17_OK == ltecat17_check_connection( <ecat17 ) )
{
app_state = LTECAT17_CONFIG_EXAMPLE;
log_printf( &logger, ">>> APP STATE - CONFIG EXAMPLE <<<\r\n\n" );
}
break;
}
case LTECAT17_CONFIG_EXAMPLE:
{
if ( LTECAT17_OK == ltecat17_config_example( <ecat17 ) )
{
app_state = LTECAT17_EXAMPLE;
log_printf( &logger, ">>> APP STATE - EXAMPLE <<<\r\n\n" );
}
break;
}
case LTECAT17_EXAMPLE:
{
ltecat17_example( <ecat17 );
break;
}
default:
{
log_error( &logger, " APP STATE." );
break;
}
}
}
int main ( void )
{
/* Do not remove this line or clock might not be set correctly. */
#ifdef PREINIT_SUPPORTED
preinit();
#endif
application_init( );
for ( ; ; )
{
application_task( );
}
return 0;
}
static void ltecat17_clear_app_buf ( void )
{
memset( app_buf, 0, app_buf_len );
app_buf_len = 0;
}
static void ltecat17_log_app_buf ( void )
{
for ( int32_t buf_cnt = 0; buf_cnt < app_buf_len; buf_cnt++ )
{
log_printf( &logger, "%c", app_buf[ buf_cnt ] );
}
}
static err_t ltecat17_process ( ltecat17_t *ctx )
{
uint8_t rx_buf[ PROCESS_BUFFER_SIZE ] = { 0 };
int32_t overflow_bytes = 0;
int32_t rx_cnt = 0;
int32_t rx_size = ltecat17_generic_read( ctx, rx_buf, PROCESS_BUFFER_SIZE );
if ( ( rx_size > 0 ) && ( rx_size <= APP_BUFFER_SIZE ) )
{
if ( ( app_buf_len + rx_size ) > APP_BUFFER_SIZE )
{
overflow_bytes = ( app_buf_len + rx_size ) - APP_BUFFER_SIZE;
app_buf_len = APP_BUFFER_SIZE - rx_size;
memmove ( app_buf, &app_buf[ overflow_bytes ], app_buf_len );
memset ( &app_buf[ app_buf_len ], 0, overflow_bytes );
}
for ( rx_cnt = 0; rx_cnt < rx_size; rx_cnt++ )
{
if ( rx_buf[ rx_cnt ] )
{
app_buf[ app_buf_len++ ] = rx_buf[ rx_cnt ];
}
}
return LTECAT17_OK;
}
return LTECAT17_ERROR;
}
static err_t ltecat17_read_response ( ltecat17_t *ctx, uint8_t *rsp )
{
#define READ_RESPONSE_TIMEOUT_MS 120000
uint32_t timeout_cnt = 0;
ltecat17_clear_app_buf ( );
ltecat17_process( ctx );
while ( ( 0 == strstr( app_buf, rsp ) ) &&
( 0 == strstr( app_buf, LTECAT17_RSP_ERROR ) ) )
{
ltecat17_process( ctx );
if ( timeout_cnt++ > READ_RESPONSE_TIMEOUT_MS )
{
ltecat17_log_app_buf( );
ltecat17_clear_app_buf( );
log_error( &logger, " Timeout!" );
return LTECAT17_ERROR_TIMEOUT;
}
Delay_ms( 1 );
}
Delay_ms ( 200 );
ltecat17_process( ctx );
ltecat17_log_app_buf( );
if ( strstr( app_buf, rsp ) )
{
log_printf( &logger, "--------------------------------\r\n" );
return LTECAT17_OK;
}
return LTECAT17_ERROR_CMD;
}
static err_t ltecat17_power_up ( ltecat17_t *ctx )
{
err_t error_flag = LTECAT17_OK;
uint8_t power_state = LTECAT17_POWER_STATE_OFF;
for ( ; ; )
{
ltecat17_process( ctx );
ltecat17_clear_app_buf ( );
// Wake up UART interface
ltecat17_cmd_run( ctx, LTECAT17_CMD_AT );
log_printf( &logger, ">>> Check communication.\r\n" );
ltecat17_cmd_run( ctx, LTECAT17_CMD_AT );
if ( ( ( LTECAT17_OK == ltecat17_process( ctx ) ) && strstr( app_buf, LTECAT17_RSP_OK ) ) )
{
power_state = LTECAT17_POWER_STATE_ON;
break;
}
else if ( LTECAT17_POWER_STATE_OFF == power_state )
{
power_state = LTECAT17_POWER_STATE_ON;
log_printf( &logger, ">>> Power up device.\r\n" );
ltecat17_set_power_state ( ctx, LTECAT17_POWER_STATE_ON );
}
else if ( LTECAT17_POWER_STATE_ON == power_state )
{
power_state = LTECAT17_POWER_STATE_OFF;
log_printf( &logger, ">>> Power down device.\r\n" );
ltecat17_set_power_state ( ctx, LTECAT17_POWER_STATE_OFF );
}
}
ltecat17_cmd_run( ctx, LTECAT17_CMD_AT );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Factory reset.\r\n" );
ltecat17_cmd_run( ctx, LTECAT17_CMD_FACTORY_RESET );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Get device model ID.\r\n" );
ltecat17_cmd_run( ctx, LTECAT17_CMD_GET_MODEL_ID );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Get device software version ID.\r\n" );
ltecat17_cmd_run( ctx, LTECAT17_CMD_GET_SW_VERSION );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Get device serial number.\r\n" );
ltecat17_cmd_run( ctx, LTECAT17_CMD_GET_SERIAL_NUM );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
return error_flag;
}
static err_t ltecat17_config_connection ( ltecat17_t *ctx )
{
err_t error_flag = LTECAT17_OK;
#if ( ( DEMO_EXAMPLE == EXAMPLE_TCP_UDP ) || ( DEMO_EXAMPLE == EXAMPLE_SMS ) )
log_printf( &logger, ">>> Deregister from network.\r\n" );
#define DEREGISTER_FROM_NETWORK "2"
ltecat17_cmd_set( ctx, LTECAT17_CMD_OPERATOR_SELECTION, DEREGISTER_FROM_NETWORK );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Set SIM APN.\r\n" );
ltecat17_set_sim_apn( <ecat17, SIM_APN );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Enable full functionality.\r\n" );
#define FULL_FUNCTIONALITY "1"
ltecat17_cmd_set( ctx, LTECAT17_CMD_SET_PHONE_FUNCTIONALITY, FULL_FUNCTIONALITY );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Enable network registration.\r\n" );
#define ENABLE_REG "2"
ltecat17_cmd_set( ctx, LTECAT17_CMD_NETWORK_REGISTRATION, ENABLE_REG );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Set automatic registration.\r\n" );
#define AUTOMATIC_REGISTRATION "0"
ltecat17_cmd_set( ctx, LTECAT17_CMD_OPERATOR_SELECTION, AUTOMATIC_REGISTRATION );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
#endif
return error_flag;
}
static err_t ltecat17_check_connection ( ltecat17_t *ctx )
{
err_t error_flag = LTECAT17_OK;
#if ( ( DEMO_EXAMPLE == EXAMPLE_TCP_UDP ) || ( DEMO_EXAMPLE == EXAMPLE_SMS ) )
log_printf( &logger, ">>> Check network registration.\r\n" );
#define CONNECTED "+CEREG: 2,1"
ltecat17_cmd_get ( <ecat17, LTECAT17_CMD_NETWORK_REGISTRATION );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
if ( strstr( app_buf, CONNECTED ) )
{
Delay_ms ( 1000 );
log_printf( &logger, ">>> Check signal quality.\r\n" );
ltecat17_cmd_run( <ecat17, LTECAT17_CMD_SIGNAL_QUALITY_REPORT );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
}
else
{
error_flag = LTECAT17_ERROR;
Delay_ms ( 1000 );
Delay_ms ( 1000 );
}
#endif
return error_flag;
}
static err_t ltecat17_config_example ( ltecat17_t *ctx )
{
err_t error_flag = LTECAT17_OK;
#if ( DEMO_EXAMPLE == EXAMPLE_TCP_UDP )
log_printf( &logger, ">>> Activate PDP context.\r\n" );
#define ACTIVATE_PDP_CONTEXT "1,1"
ltecat17_cmd_set( <ecat17, LTECAT17_CMD_ACTIVATE_PDP_CONTEXT, ACTIVATE_PDP_CONTEXT );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Show PDP address.\r\n" );
#define PDP_CID "1"
ltecat17_cmd_set( <ecat17, LTECAT17_CMD_SHOW_PDP_ADDRESS, PDP_CID );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Check TCPIP service.\r\n" );
#define NETWORK_OPEN "+NETOPEN: 1"
ltecat17_cmd_get ( <ecat17, LTECAT17_CMD_START_TCPIP_SERVICE );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
if ( !strstr ( app_buf, NETWORK_OPEN ) )
{
log_printf( &logger, ">>> Start TCPIP service.\r\n" );
ltecat17_cmd_run ( <ecat17, LTECAT17_CMD_START_TCPIP_SERVICE );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
}
log_printf( &logger, ">>> Set RX mode to manually.\r\n" );
#define RX_MODE_MANUALLY "1"
ltecat17_cmd_set( <ecat17, LTECAT17_CMD_RECEIVE_DATA_VIA_CONNECTION, RX_MODE_MANUALLY );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
#elif ( DEMO_EXAMPLE == EXAMPLE_SMS )
log_printf( &logger, ">>> Select SMS format.\r\n" );
ltecat17_cmd_set( <ecat17, LTECAT17_CMD_SELECT_SMS_FORMAT, SMS_MODE );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
#elif ( DEMO_EXAMPLE == EXAMPLE_GNSS )
log_printf( &logger, ">>> Turn on GNSS power supply.\r\n" );
#define GNNS_TURN_ON "1"
ltecat17_cmd_set( <ecat17, LTECAT17_CMD_GNSS_POWER_CONTROL, GNNS_TURN_ON );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
#endif
return error_flag;
}
static err_t ltecat17_example ( ltecat17_t *ctx )
{
err_t error_flag = LTECAT17_OK;
#if ( DEMO_EXAMPLE == EXAMPLE_TCP_UDP )
uint8_t cmd_buf[ 100 ] = { 0 };
log_printf( &logger, ">>> Open TCP connection.\r\n" );
#define TCP_LINK_NUM "0"
#define TCP_CONN_TYPE "TCP"
strcpy( cmd_buf, TCP_LINK_NUM );
strcat( cmd_buf, ",\"" );
strcat( cmd_buf, TCP_CONN_TYPE );
strcat( cmd_buf, "\",\"" );
strcat( cmd_buf, REMOTE_IP );
strcat( cmd_buf, "\"," );
strcat( cmd_buf, REMOTE_PORT );
ltecat17_cmd_set ( <ecat17, LTECAT17_CMD_OPEN_TCP_UDP_CONNECTION, cmd_buf );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Open UDP connection.\r\n" );
#define UDP_LINK_NUM "1"
#define UDP_CONN_TYPE "UDP"
#define UDP_LOCAL_PORT "5000"
strcpy( cmd_buf, UDP_LINK_NUM );
strcat( cmd_buf, ",\"" );
strcat( cmd_buf, UDP_CONN_TYPE );
strcat( cmd_buf, "\",,," );
strcat( cmd_buf, UDP_LOCAL_PORT );
ltecat17_cmd_set ( <ecat17, LTECAT17_CMD_OPEN_TCP_UDP_CONNECTION, cmd_buf );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
// Get message length
uint8_t message_len_buf[ 10 ] = { 0 };
uint16_t message_len = strlen( MESSAGE_CONTENT );
uint16_to_str( message_len, message_len_buf );
l_trim( message_len_buf );
r_trim( message_len_buf );
log_printf( &logger, ">>> Write message to TCP connection.\r\n" );
strcpy( cmd_buf, TCP_LINK_NUM );
strcat( cmd_buf, "," );
strcat( cmd_buf, message_len_buf );
ltecat17_cmd_set ( <ecat17, LTECAT17_CMD_SEND_DATA_VIA_CONNECTION, cmd_buf );
Delay_ms ( 100 );
ltecat17_generic_write ( <ecat17, MESSAGE_CONTENT, message_len );
error_flag |= ltecat17_read_response( ctx, LTECAT17_URC_RECEIVED_DATA );
log_printf( &logger, ">>> Read response from TCP connection.\r\n" );
#define RX_DATA_READ "2"
strcpy( cmd_buf, RX_DATA_READ );
strcat( cmd_buf, "," );
strcat( cmd_buf, TCP_LINK_NUM );
strcat( cmd_buf, "," );
strcat( cmd_buf, message_len_buf );
ltecat17_cmd_set( <ecat17, LTECAT17_CMD_RECEIVE_DATA_VIA_CONNECTION, cmd_buf );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Write message to UDP connection.\r\n" );
strcpy( cmd_buf, UDP_LINK_NUM );
strcat( cmd_buf, "," );
strcat( cmd_buf, message_len_buf );
strcat( cmd_buf, ",\"" );
strcat( cmd_buf, REMOTE_IP );
strcat( cmd_buf, "\"," );
strcat( cmd_buf, REMOTE_PORT );
ltecat17_cmd_set ( <ecat17, LTECAT17_CMD_SEND_DATA_VIA_CONNECTION, cmd_buf );
Delay_ms ( 100 );
ltecat17_generic_write ( <ecat17, MESSAGE_CONTENT, message_len );
error_flag |= ltecat17_read_response( ctx, LTECAT17_URC_RECEIVED_DATA );
log_printf( &logger, ">>> Read response from UDP connection.\r\n" );
strcpy( cmd_buf, RX_DATA_READ );
strcat( cmd_buf, "," );
strcat( cmd_buf, UDP_LINK_NUM );
strcat( cmd_buf, "," );
strcat( cmd_buf, message_len_buf );
ltecat17_cmd_set( <ecat17, LTECAT17_CMD_RECEIVE_DATA_VIA_CONNECTION, cmd_buf );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Close TCP connection.\r\n" );
ltecat17_cmd_set ( <ecat17, LTECAT17_CMD_CLOSE_TCP_UDP_CONNECTION, TCP_LINK_NUM );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
log_printf( &logger, ">>> Close UDP connection.\r\n" );
ltecat17_cmd_set ( <ecat17, LTECAT17_CMD_CLOSE_TCP_UDP_CONNECTION, UDP_LINK_NUM );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
#elif ( DEMO_EXAMPLE == EXAMPLE_SMS )
// Check SMS mode
#define CMGF_PDU "+CMGF: 0"
#define CMGF_TXT "+CMGF: 1"
log_printf( &logger, ">>> Check SMS format.\r\n" );
ltecat17_cmd_get( <ecat17, LTECAT17_CMD_SELECT_SMS_FORMAT );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
if ( strstr( app_buf, CMGF_PDU ) )
{
// Send SMS in PDU mode
log_printf( &logger, ">>> Send SMS in PDU mode.\r\n" );
ltecat17_send_sms_pdu( <ecat17, SIM_SMSC, PHONE_NUMBER_TO_MESSAGE, MESSAGE_CONTENT );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
}
else if ( strstr( app_buf, CMGF_TXT ) )
{
// Send SMS in TXT mode
log_printf( &logger, ">>> Send SMS in TXT mode.\r\n" );
ltecat17_send_sms_text ( <ecat17, PHONE_NUMBER_TO_MESSAGE, MESSAGE_CONTENT );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
}
// 30 seconds delay
for ( uint8_t delay_cnt = 0; delay_cnt < 30; delay_cnt++ )
{
Delay_ms ( 1000 );
}
#elif ( DEMO_EXAMPLE == EXAMPLE_GNSS )
log_printf( &logger, ">>> Get GNSS info.\r\n" );
ltecat17_cmd_run ( <ecat17, LTECAT17_CMD_GET_GNSS_INFO );
error_flag |= ltecat17_read_response( ctx, LTECAT17_RSP_OK );
Delay_ms ( 1000 );
#else
#error "No demo example selected"
#endif
return error_flag;
}
// ------------------------------------------------------------------------ END
额外支持
资源
类别:GSM/LTE