Release a beta version AT v0.20 for SDK v0.9.3
Feature:
1.ADD UART TX BUFFER TO RECEIVE DATA FROM TCP PORT
2.ADD A UART TX FLOW CONTROL VIA MTCK( CTS )
//SET_PERI_REG_MASK( UART_CONF0(uart_no),UART_TX_FLOW_EN); //add this sentense to add a tx flow control via MTCK( CTS )
【Link Address】↓

http://bbs.espressif.com/viewtopic.php?t=99&p=339#p339
enjoy!