LTE Module Series
EC2x&EG9x&EM05 HTTP(S) AT Commands Manual
EC2x&EG9x&EM05_HTTP(S)_AT_Commands_Manual 3 / 36
Contents
About the Document ................................................................................................................................... 2
Contents ....................................................................................................................................................... 3
Table Index ................................................................................................................................................... 5
1 Introduction .......................................................................................................................................... 6
1.1. The Process of Using HTTP(S) AT Commands ...................................................................... 6
1.2. Description of HTTP(S) Header .............................................................................................. 7
1.2.1. Customize HTTP(S) Request Header ............................................................................. 7
1.2.2. Output HTTP(S) Response Header ................................................................................. 7
1.3. Description of Data Mode ........................................................................................................ 8
2 Description of HTTP(S) AT Commands ............................................................................................. 9
2.1. AT+QHTTPCFG Configure Parameters for HTTP(S) Server ............................................... 9
2.2. AT+QHTTPURL Set URL of HTTP(S) Server .................................................................... 12
2.3. AT+QHTTPGET Send GET Request to HTTP(S) Server .................................................. 13
2.4. AT+QHTTPGETEX Send Range GET Request to HTTP(S) Server.................................. 14
2.5. AT+QHTTPPOST Send POST Request to HTTP(S) Server via UART/USB .................... 15
2.6. AT+QHTTPPOSTFILE Send POST Request to HTTP(S) Server via File ......................... 17
2.7. AT+QHTTPREAD Read Response from HTTP(S) Server via UART/USB ........................ 18
2.8. AT+QHTTPREADFILE Read Response from HTTP(S) Server via File ............................ 19
2.9. AT+QHTTPSTOP Cancel HTTP(S) Request ..................................................................... 20
3 Examples ............................................................................................................................................ 21
3.1. Access to HTTP Server ......................................................................................................... 21
3.1.1. Send HTTP GET Request and Read the Response ..................................................... 21
3.1.2. Send HTTP POST Request and Read the Response ................................................... 22
3.1.2.1. Post Body Obtained from UART/USB ................................................................... 22
3.1.2.2. Post Body Obtained from File System .................................................................. 23
3.2. Access to HTTPS Server ...................................................................................................... 24
3.2.1. Send HTTPS GET Request and Read the Response ................................................... 24
3.2.2. Send HTTPS POST Request and Read the Response ................................................ 26
3.2.2.1. Post Body Obtained from UART/USB ................................................................... 26
3.2.2.2. Post Body Obtained from File System .................................................................. 28
4 Error Handling .................................................................................................................................... 30
4.1. Executing HTTP(S) AT Commands Fails .............................................................................. 30
4.2. PDP Activation Fails .............................................................................................................. 30
4.3. DNS Parse Fails .................................................................................................................... 30
4.4. Entering Data Mode Fails ...................................................................................................... 31
4.5. Sending GET/POST Requests Fails .................................................................................. 31
4.6. Reading Response Fails ....................................................................................................... 31
5 Summary of ERROR Codes .............................................................................................................. 33
6 Summary of HTTP(S) Response Codes .......................................................................................... 35
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