Chen Wu ffc2db0a35 fix(ping): fix crash when multi-ping
1. "lwip_socket" should close by "lwip_close_r" other than "lwip_close"
2. for generally compatible, fix all lwip interface to normally socket interface
3. call vTaskDelete when new socket failed in case of task crash

close #https://github.com/espressif/esp32-at/issues/58
2018-01-12 15:54:07 +08:00
..
2018-01-12 15:54:07 +08:00
2016-09-02 16:26:06 +08:00