B站:https://space.bilibili.com/309103931
中移4G模块-ML302专栏:https://blog.csdn.net/qq_33259323/category_10453372.html
中移4G模块-ML302文集:https://www.bilibili.com/read/readlist/rl328642
1.中移4G模块-ML302-OpenCpu开发-(固件编译和烧录)
https://blog.csdn.net/qq_33259323/article/details/108586847
https://www.bilibili.com/read/cv7876504
2.中移4G模块-ML302-OpenCpu开发-(MQTT连接阿里云)
https://blog.csdn.net/qq_33259323/article/details/108638945
https://www.bilibili.com/read/cv7876527
2.1中移4G模块-ML302-OpenCpu开发-(MQTT连接阿里云-订阅主题)
https://blog.csdn.net/qq_33259323/article/details/108960540
https://www.bilibili.com/read/cv7879954
2.2中移4G模块-ML302-OpenCpu开发-(MQTT连接阿里云-接收和发送数据)
https://blog.csdn.net/qq_33259323/article/details/108964810
https://www.bilibili.com/read/cv7886836
2.3中移4G模块-ML302-OpenCpu开发-(MQTT连接阿里云-RRPC通讯)
https://blog.csdn.net/qq_33259323/article/details/108965071
https://www.bilibili.com/read/cv7888259
3.中移4G模块-ML302-OpenCpu开发-串口开发
https://blog.csdn.net/qq_33259323/article/details/108974888
https://www.bilibili.com/read/cv7888865
4.中移4G模块-ML302-OpenCpu开发-51单片机串口转I2C
https://blog.csdn.net/qq_33259323/article/details/109020642
https://www.bilibili.com/read/cv7922942
5.中移4G模块-ML302-OpenCpu开发-MCP23017输入/输出
https://blog.csdn.net/qq_33259323/article/details/109109136
https://www.bilibili.com/read/cv7969395
7.中移4G模块-ML302-OpenCpu开发-PCF8591测量电压
https://blog.csdn.net/qq_33259323/article/details/109109266
https://www.bilibili.com/read/cv7969365
8.中移4G模块-ML302-OpenCpu开发-GPIO
https://blog.csdn.net/qq_33259323/article/details/108960947
https://www.bilibili.com/read/cv7877192
9.中移4G模块-ML302-OpenCpu开发-ADC
https://blog.csdn.net/qq_33259323/article/details/109020864
https://www.bilibili.com/read/cv7922958
10.中移4G模块-ML302-OpenCpu开发-CJSON
https://blog.csdn.net/qq_33259323/article/details/109020898
https://www.bilibili.com/read/cv7923020
11.中移4G模块-ML302-OpenCpu开发-HTTP
https://blog.csdn.net/qq_33259323/article/details/109020904
https://www.bilibili.com/read/cv7923054
中移4G模块-ML302-OpenCpu开发-HTTP
void cm_test_http2()
{
char* url = "https://www.baidu.com/";
httpclient_t client = {0};
httpclient_data_t client_data = {0};
HTTPCLIENT_RESULT ret = HTTPCLIENT_ERROR_CONN;
char *buf = NULL;
buf = malloc(600);
if (buf == NULL)
{
cm_printf("Malloc failed.\r\n");
free(buf);
return;
}
memset(buf, 0, sizeof(buf));
client_data.response_buf = buf; //Sets a buffer to store the result.
cm_printf("start http test\n");
client_data.response_buf_len = 600; //Sets the buffer size.
cm_printf("start connect\n");
ret = httpclient_connect(&client, url);
if (!ret) {
cm_printf("start send request\n");
ret = httpclient_send_request(&client, url, HTTPCLIENT_GET, &client_data);
if (!ret) {
cm_printf("start recv\n");
ret = httpclient_recv_response(&client, &client_data);
cm_printf("Data received: %s\r\n", client_data.response_buf);
}
}
cm_printf("close\n");
httpclient_close(&client);
free(buf);
}