# PPP SERVER example
Instructions
Check out this repo in two locations, one client and one server.
On both sides specify:
* EXAMPLE_MODEM_DEVICE_NULLMODEM
Will directly connect ppp without any AT crap
* EXAMPLE_MODEM_PPP_BAUDRATE
to your desired baudrate
*EXAMPLE_MODEM_PPP_FLOW
0: none, 1: software, 2: hardware
* EXAMPLE_MODEM_UART_TX_PIN
Default 16
* EXAMPLE_MODEM_UART_RX_PIN
Default 17
* EXAMPLE_MODEM_UART_RTS_PIN
Default 27
* EXAMPLE_MODEM_UART_CTS_PIN
Default 23
* CONFIG_EXAMPLE_LCP_ECHO
To detect if link goes down
On the server side:
* Apply esp-idf-ppp_server.patch
* Enable CONFIG_LWIP_PPP_SERVER_SUPPORT
Connect both chips togheter, remember to cross TX/TX and RTS/CTX
On boot, client will automatlicly connect to server
Run ping or iptraf to test the link.
idf.py add-dependency "jimmyw/esp-idf-ppp-server^0.0.1"