This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
library:rk3568:4gmodule [2023/07/17 15:54] lhaosen [2.1 lsusb] |
library:rk3568:4gmodule [2023/07/18 00:37] (current) lhaosen [AT 功能] |
||
---|---|---|---|
Line 33: | Line 33: | ||
其中,0x2C7C 和 0x0125 分别是 Quectel EC25/EC20 R2.0 的 VID 和 PID 编号。 | 其中,0x2C7C 和 0x0125 分别是 Quectel EC25/EC20 R2.0 的 VID 和 PID 编号。 | ||
+ | |||
+ | ==== - AT指令接口 ==== | ||
+ | |||
+ | 当连接模块并加载 USB 驱动成功后,在 /dev 目录下将会创建出几个 tty 设备节点。例如 / | ||
+ | |||
+ | < | ||
+ | root@firefly:/ | ||
+ | crw-rw---- 1 root dialout 188, 0 Jun 7 16:37 / | ||
+ | crw-rw---- 1 root dialout 188, 1 Jun 28 2021 / | ||
+ | crw-rw---- 1 root dialout 188, 2 Jun 7 16:37 / | ||
+ | crw-rw---- 1 root dialout 188, 3 Jun 7 16:36 / | ||
+ | </ | ||
+ | |||
+ | |||
+ | 测试AT指令 | ||
+ | < | ||
+ | root@firefly:/ | ||
+ | [13] 1137 | ||
+ | root@firefly:/ | ||
+ | |||
+ | Quectel | ||
+ | EC20F | ||
+ | Revision: EC20CEFILGR06A07M1G | ||
+ | |||
+ | OK | ||
+ | root@firefly:/ | ||
+ | [14] 1138 | ||
+ | root@firefly:/ | ||
+ | root@firefly:/ | ||
+ | OK | ||
+ | |||
+ | |||
+ | root@firefly: | ||
+ | [4] 1065 | ||
+ | root@firefly: | ||
+ | root@firefly: | ||
+ | +QCCID: 89860000191998625782 | ||
+ | |||
+ | OK | ||
+ | |||
+ | </ | ||
==== - quectel-CM & ==== | ==== - quectel-CM & ==== |