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Merge pull request #12768 from OpenNuvoton/esp8266_bud 

ESP8266 Drv support baud-rate switch
pull/12778/head
Martin Kojtal 2020-04-15 09:42:13 +02:00 committed by GitHub
parent 8926ea0983 89077b1d8b
commit 07872bcd3a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 1 deletions
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13
components/wifi/esp8266-driver/ESP8266/ESP8266.cpp
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@ -36,6 +36,9 @@
#define ESP8266_ALL_SOCKET_IDS -1 #define ESP8266_ALL_SOCKET_IDS -1
#define ESP8266_DEFAULT_SERIAL_BAUDRATE 115200
using namespace mbed; using namespace mbed;
ESP8266::ESP8266(PinName tx, PinName rx, bool debug, PinName rts, PinName cts) ESP8266::ESP8266(PinName tx, PinName rx, bool debug, PinName rts, PinName cts)
@ -62,7 +65,7 @@ ESP8266::ESP8266(PinName tx, PinName rx, bool debug, PinName rts, PinName cts)
_sock_sending_id(-1), _sock_sending_id(-1),
_conn_status(NSAPI_STATUS_DISCONNECTED) _conn_status(NSAPI_STATUS_DISCONNECTED)
{ {
_serial.set_baud(MBED_CONF_ESP8266_SERIAL_BAUDRATE); _serial.set_baud(ESP8266_DEFAULT_SERIAL_BAUDRATE);
_parser.debug_on(debug); _parser.debug_on(debug);
_parser.set_delimiter("\r\n"); _parser.set_delimiter("\r\n");
_parser.oob("+IPD", callback(this, &ESP8266::_oob_packet_hdlr)); _parser.oob("+IPD", callback(this, &ESP8266::_oob_packet_hdlr));
@ -124,6 +127,14 @@ bool ESP8266::at_available()
} }
tr_debug("at_available(): Waiting AT response."); tr_debug("at_available(): Waiting AT response.");
} }
// Switch baud-rate from default one to assigned one
if (MBED_CONF_ESP8266_SERIAL_BAUDRATE != ESP8266_DEFAULT_SERIAL_BAUDRATE) {
ready &= _parser.send("AT+UART_CUR=%u,8,1,0,0", MBED_CONF_ESP8266_SERIAL_BAUDRATE)
&& _parser.recv("OK\n");
_serial.set_baud(MBED_CONF_ESP8266_SERIAL_BAUDRATE);
ready &= _parser.send("AT")
&& _parser.recv("OK\n");
}
_smutex.unlock(); _smutex.unlock();
return ready; return ready;