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Merge pull request #9871 from VeijoPesonen/bugfix-esp8266-recv_busy 

ESP8266: receive is able to handle device busy indication
pull/9899/head
Cruz Monrreal 2019-02-28 18:22:54 -06:00 committed by GitHub
parent 460e4e7836 688a4e42bc
commit b5878b164d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 3 deletions
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20
components/wifi/esp8266-driver/ESP8266/ESP8266.cpp
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@ -736,12 +736,14 @@ int32_t ESP8266::_recv_tcp_passive(int id, void *data, uint32_t amount, uint32_t
// NOTE: documentation v3.0 says '+CIPRECVDATA:<data_len>,' but it's not how the FW responds...
bool done = _parser.send("AT+CIPRECVDATA=%d,%lu", id, amount)
&& _parser.recv("OK\n");
if (!done) {
tr_debug("data request failed");
}
_sock_i[id].tcp_data = NULL;
_sock_active_id = -1;
if (!done) {
goto BUSY;
}
// update internal variable tcp_data_avbl to reflect the remaining data
if (_sock_i[id].tcp_data_rcvd > 0) {
if (_sock_i[id].tcp_data_rcvd > (int32_t)amount) {
@ -764,6 +766,18 @@ int32_t ESP8266::_recv_tcp_passive(int id, void *data, uint32_t amount, uint32_t
_smutex.unlock();
return ret;
BUSY:
_process_oob(ESP8266_RECV_TIMEOUT, true);
if (_busy) {
tr_debug("_recv_tcp_passive(): modem busy");
ret = NSAPI_ERROR_WOULD_BLOCK;
} else {
tr_error("_recv_tcp_passive(): unknown state");
ret = NSAPI_ERROR_DEVICE_ERROR;
}
_smutex.unlock();
return ret;
}
int32_t ESP8266::recv_tcp(int id, void *data, uint32_t amount, uint32_t timeout)