260 lines
7.1 KiB
C
260 lines
7.1 KiB
C
/**
|
||
******************************************************************************
|
||
* @file User\Driver\drv_air724.c
|
||
* @author 路淮
|
||
* @version v0.1
|
||
* @date 2026-05-21
|
||
* @brief 4G模块(AIR724)驱动
|
||
******************************************************************************
|
||
*
|
||
* 协议：55 AA mainCmd subCmd [payload] AA 55
|
||
*
|
||
* STM32 → 4G:
|
||
* 0x03 01 channel 连接请求
|
||
* 0x03 02 channel 断开请求
|
||
* 0x04 00 ip+port 设置服务器
|
||
* 0x05 01|02|03 查询ICCID/IMSI/IMEI
|
||
* 0x06 00 查询信号
|
||
* 0x07 00 查询链路
|
||
*
|
||
* 4G → STM32 (0x83):
|
||
* 0x83 01 channel 00 已连接
|
||
* 0x83 02 channel 00 已断开
|
||
* 0x83 03 channel 01 连接失败
|
||
*/
|
||
|
||
#include "drv_air724.h"
|
||
#include "drv_usart.h"
|
||
|
||
Air724_Info_t g_air724_info = {0};
|
||
|
||
/**
|
||
* @brief send_cmd：发送命令帧函数
|
||
* @note none
|
||
* @param main_cmd 主命令 主命令字节
|
||
* @param sub_cmd 子命令 子命令字节
|
||
* @param payload 数据 数据指针
|
||
* @param payload_len 数据长度 数据长度
|
||
* @retval none
|
||
*/
|
||
static void drv_air724_send_cmd(uint8_t main_cmd, uint8_t sub_cmd,
|
||
const uint8_t *payload, uint16_t payload_len)
|
||
{
|
||
uint8_t frame[256];
|
||
uint16_t idx = 0;
|
||
|
||
frame[idx++] = 0x55;
|
||
frame[idx++] = 0xAA;
|
||
frame[idx++] = main_cmd;
|
||
frame[idx++] = sub_cmd;
|
||
|
||
if (payload && payload_len > 0) {
|
||
memcpy(&frame[idx], payload, payload_len);
|
||
idx += payload_len;
|
||
}
|
||
|
||
frame[idx++] = 0xAA;
|
||
frame[idx++] = 0x55;
|
||
|
||
Air724_Message_Send(frame, idx);
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief set_server：设置服务器函数
|
||
* @note none
|
||
* @param ip 服务器IP地址 字符串指针
|
||
* @param port 服务器端口 十进制整数
|
||
* @retval none
|
||
*/
|
||
void drv_air724_set_server(const char *ip, uint16_t port)
|
||
{
|
||
if (!ip) return;
|
||
|
||
uint8_t payload[128];
|
||
uint8_t ip_len = (uint8_t)strlen(ip);
|
||
if (ip_len > 100) ip_len = 100;
|
||
|
||
payload[0] = ip_len;
|
||
memcpy(&payload[1], ip, ip_len);
|
||
payload[1 + ip_len] = (uint8_t)((port >> 8) & 0xFF);
|
||
payload[2 + ip_len] = (uint8_t)(port & 0xFF);
|
||
|
||
drv_air724_send_cmd(0x04, 0, payload, 3 + ip_len);
|
||
}
|
||
|
||
/**
|
||
* @brief connect_channel：连接通道函数
|
||
* @note none
|
||
* @param channel 通道号 通道-1-6
|
||
* @retval none
|
||
*/
|
||
void drv_air724_connect_channel(uint8_t channel)
|
||
{
|
||
if (channel < 1 || channel > AIR724_SOCKET_MAX) {
|
||
printf("[ 4G ] 通道 %d 无效 \r\n", channel);
|
||
return;
|
||
}
|
||
drv_air724_send_cmd(0x03, 0x01, &channel, 1);
|
||
printf("[ 4G ] 通道 %d 连接请求已发送 \r\n", channel);
|
||
}
|
||
|
||
/**
|
||
* @brief disconnect_channel：断开通道函数
|
||
* @note none
|
||
* @param channel 通道号 通道-1-6
|
||
* @retval none
|
||
*/
|
||
void drv_air724_disconnect_channel(uint8_t channel)
|
||
{
|
||
if (channel < 1 || channel > AIR724_SOCKET_MAX) {
|
||
printf("[ 4G ] 通道 %d 无效\r\n", channel);
|
||
return;
|
||
}
|
||
drv_air724_send_cmd(0x03, 0x02, &channel, 1);
|
||
printf("[ 4G ] 通道 %d 断开请求已发送\r\n", channel);
|
||
}
|
||
|
||
/**
|
||
* @brief query_iccid：查询ICCID函数
|
||
* @note none
|
||
* @retval none
|
||
*/
|
||
void drv_air724_query_iccid(void)
|
||
{
|
||
drv_air724_send_cmd(0x05, 0x01, NULL, 0);
|
||
}
|
||
/**
|
||
* @brief query_imsi：查询IMSI函数
|
||
* @note none
|
||
* @retval none
|
||
*/
|
||
void drv_air724_query_imsi(void)
|
||
{
|
||
drv_air724_send_cmd(0x05, 0x02, NULL, 0);
|
||
}
|
||
/**
|
||
* @brief query_imei：查询IMEI函数
|
||
* @note none
|
||
* @retval none
|
||
*/
|
||
void drv_air724_query_imei(void)
|
||
{
|
||
drv_air724_send_cmd(0x05, 0x03, NULL, 0);
|
||
}
|
||
/**
|
||
* @brief query_signal：查询信号函数
|
||
* @note none
|
||
* @retval none
|
||
*/
|
||
void drv_air724_query_signal(void)
|
||
{
|
||
drv_air724_send_cmd(0x06, 0x00, NULL, 0);
|
||
}
|
||
/**
|
||
* @brief query_link_status：查询链路函数
|
||
* @note none
|
||
* @retval none
|
||
*/
|
||
void drv_air724_query_link_status(void)
|
||
{
|
||
drv_air724_send_cmd(0x07, 0x00, NULL, 0);
|
||
}
|
||
|
||
/**
|
||
* @brief parse_response：解析响应帧函数
|
||
* @note none
|
||
* @param frame 响应帧 响应帧指针
|
||
* @param len 响应帧长度 响应帧长度
|
||
* @retval none
|
||
*/
|
||
void drv_air724_parse_response(const uint8_t *frame, uint16_t len)
|
||
{
|
||
if (!frame || len < 7) return;
|
||
|
||
uint8_t main_cmd = frame[2];
|
||
uint8_t sub_cmd = frame[3];
|
||
|
||
switch (main_cmd) {
|
||
|
||
/* ── 0x83: 连接/断开/失败通知 ── */
|
||
case 0x83:
|
||
if (len >= 7) {
|
||
uint8_t socket_id = frame[4];
|
||
if (socket_id < 1 || socket_id > AIR724_SOCKET_MAX) break;
|
||
|
||
switch (sub_cmd) {
|
||
case 0x01:
|
||
g_air724_info.socket_connected[socket_id - 1] = 1;
|
||
printf("[ 4G ] 通道 %d 连接成功\r\n", socket_id);
|
||
break;
|
||
case 0x02:
|
||
g_air724_info.socket_connected[socket_id - 1] = 0;
|
||
printf("[ 4G ] 通道 %d 已断开\r\n", socket_id);
|
||
break;
|
||
case 0x03:
|
||
g_air724_info.socket_connected[socket_id - 1] = 0;
|
||
printf("[ 4G ] 通道 %d 连接失败\r\n", socket_id);
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
|
||
/* ── 0x84: SIM信息响应 ── */
|
||
case 0x84: {
|
||
if (len < 5) break;
|
||
uint8_t data_len = frame[4];
|
||
if (data_len == 0 || len < (uint16_t)(5 + data_len)) break;
|
||
|
||
switch (sub_cmd) {
|
||
case 0x01:
|
||
memcpy(g_air724_info.iccid, &frame[5], data_len < 23 ? data_len : 23);
|
||
g_air724_info.iccid[data_len < 23 ? data_len : 23] = '\0';
|
||
printf("[ 4G ] ICCID=%s\r\n", g_air724_info.iccid);
|
||
break;
|
||
case 0x02:
|
||
memcpy(g_air724_info.imsi, &frame[5], data_len < 15 ? data_len : 15);
|
||
g_air724_info.imsi[data_len < 15 ? data_len : 15] = '\0';
|
||
printf("[ 4G ] IMSI=%s\r\n", g_air724_info.imsi);
|
||
break;
|
||
case 0x03:
|
||
memcpy(g_air724_info.imei, &frame[5], data_len < 15 ? data_len : 15);
|
||
g_air724_info.imei[data_len < 15 ? data_len : 15] = '\0';
|
||
printf("[ 4G ] IMEI=%s\r\n", g_air724_info.imei);
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
|
||
/* ── 0x85: 信号强度响应 ── */
|
||
case 0x85:
|
||
if (len >= 7) {
|
||
g_air724_info.csq = frame[4];
|
||
g_air724_info.ber = frame[5];
|
||
printf("[ 4G ] CSQ=%d, BER=%d\r\n", g_air724_info.csq, g_air724_info.ber);
|
||
}
|
||
break;
|
||
|
||
/* ── 0x86: 链路状态响应 ── */
|
||
case 0x86: {
|
||
uint8_t count = (len - 6) < AIR724_SOCKET_MAX ? (len - 6) : AIR724_SOCKET_MAX;
|
||
for (uint8_t i = 0; i < count; i++) {
|
||
g_air724_info.socket_connected[i] = frame[4 + i];
|
||
}
|
||
printf("[ 4G ] 链路[");
|
||
for (uint8_t i = 0; i < AIR724_SOCKET_MAX; i++) {
|
||
printf("%d", g_air724_info.socket_connected[i]);
|
||
}
|
||
printf("]\r\n");
|
||
break;
|
||
}
|
||
|
||
/* ── 0x87: 服务器配置结果 ── */
|
||
case 0x87:
|
||
if (len >= 6) {
|
||
printf("[ 4G ] 服务器配置%s\r\n", frame[4] == 0 ? "成功" : "失败");
|
||
}
|
||
break;
|
||
}
|
||
}
|