bool EspDrv::wifiConnect(char* ssid, const char *passphrase)
{
LOGDEBUG(F("> wifiConnect"));
// TODO
// Escape character syntax is needed if "SSID" or "password" contains
// any special characters (',', '"' and '/')
// connect to access point
int ret = sendCmd(F("AT+CWJAP_CUR=\"%s\",\"%s\""), 20000, ssid, passphrase);
if (ret==TAG_OK)
{
LOGINFO1(F("Connected to"), ssid);
return true;
}
LOGWARN1(F("Failed to connected to"), ssid);
// clean additional messages logged after the FAIL tag
delay(1000);
espEmptyBuf(false);
return false;
}
void EspDrv::wifiDriverInit(Stream *espSerial)
{
LOGDEBUG(F("> wifiDriverInit"));
EspDrv::espSerial = espSerial;
if (sendCmd(F("AT")) != TAG_OK)
{
LOGERROR(F("Cannot initialize ESP module"));
delay(8000);
return;
}
reset();
// check firmware version
getFwVersion();
// prints a warning message if the firmware is not 1.X
if (fwVersion[0] != '1' or
fwVersion[1] != '.')
{
LOGWARN1(F("Warning: Unsupported firmware"), fwVersion);
delay(4000);
}
else
{
LOGINFO1(F("Initilization successful -"), fwVersion);
}
}
bool EspDrv::wifiStartAP(char* ssid, const char* pwd, uint8_t channel, uint8_t enc)
{
LOGDEBUG(F("> wifiStartAP"));
// set AP mode, use CUR mode to avoid starting the AP at reboot
if (sendCmd(F("AT+CWMODE_CUR=2"))!=TAG_OK)
{
LOGWARN1(F("Failed to set AP mode"), ssid);
return false;
}
// TODO
// Escape character syntax is needed if "SSID" or "password" contains
// any special characters (',', '"' and '/')
// start access point
int ret = sendCmd(F("AT+CWSAP_CUR=\"%s\",\"%s\",%d,%d"), 10000, ssid, pwd, channel, enc);
if (ret!=TAG_OK)
{
LOGWARN1(F("Failed to start AP"), ssid);
return false;
}
// enable DHCP for AP mode
sendCmd(F("AT+CWDHCP_CUR=0,1"));
LOGINFO1(F("Access point started"), ssid);
return true;
}
int firestep_init(){
if (fdrTinyG >= 0) {
return 0; // already started
}
const char * path = "/dev/ttyUSB0";
char cmdbuf[CMDMAX+1];
int rc;
sprintf(cmdbuf, "stty 115200 -F %s", path);
rc = callSystem(cmdbuf);
if (rc) { return rc; }
sprintf(cmdbuf, "stty 1400:4:1cb2:a00:3:1c:7f:15:4:1:1:0:11:13:1a:0:12:f:17:16:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0 -F %s", path);
rc = callSystem(cmdbuf);
if (rc) { return rc; }
fdwTinyG = fdrTinyG = open(path, O_RDWR | O_ASYNC | O_NONBLOCK);
if (fdrTinyG < 0) {
rc = errno;
LOGERROR2("Cannot open %s (errno %d)", path, rc);
return rc;
}
LOGINFO1("firestep_init %s (open for write) ", path);
LOGRC(rc, "pthread_create(firestep_reader) -> ", pthread_create(&tidReader, NULL, &firestep_reader, NULL));
//firestep_config();
return rc;
}
void WiFiEspClient::stop()
{
if (_sock == 255)
return;
LOGINFO1(F("Disconnecting "), _sock);
EspDrv::stopClient(_sock);
WiFiEspClass::_state[_sock] = NA_STATE;
_sock = 255;
}
void EspDrv::config(uint32_t local_ip)
{
LOGDEBUG(F("> config"));
// TODO Not tested yet
// disable DHCP
sendCmd(F("AT+CWDHCP_DEF=0,0"));
int ret = sendCmd(F("AT+CIPSTA_CUR=\"%s\""), 5000, local_ip);
if (ret==TAG_OK)
{
LOGINFO1(F("IP address"), local_ip);
}
}
int WiFiEspClient::connect(const char* host, uint16_t port)
{
LOGINFO1(F("Connecting to"), host);
_sock = getFirstSocket();
if (_sock != NO_SOCKET_AVAIL)
{
if (!EspDrv::startClient(host, port, _sock))
return 0;
WiFiEspClass::_state[_sock] = _sock;
}
else
{
Serial.println(F("No socket available"));
return 0;
}
return 1;
}
void EspDrv::config(IPAddress ip)
{
LOGDEBUG(F("> config"));
// disable station DHCP
sendCmd(F("AT+CWDHCP_CUR=1,0"));
// it seems we need to wait here...
delay(500);
char buf[16];
sprintf(buf, "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
int ret = sendCmd(F("AT+CIPSTA_CUR=\"%s\""), 2000, buf);
delay(500);
if (ret==TAG_OK)
{
LOGINFO1(F("IP address set"), buf);
}
}
static int callSystem(char *cmdbuf) {
int rc = 0;
rc = system(cmdbuf);
if (rc == -1) {
LOGERROR2("callSystem(%s) -> %d", cmdbuf, rc);
return rc;
}
if (WIFEXITED(rc)) {
if (WEXITSTATUS(rc)) {
LOGERROR2("callSystem(%s) -> EXIT %d", cmdbuf, WEXITSTATUS(rc));
return rc;
}
} else if (WIFSTOPPED(rc)) {
LOGERROR2("callSystem(%s) -> STOPPED %d", cmdbuf, WSTOPSIG(rc));
return rc;
} else if (WIFSIGNALED(rc)) {
LOGERROR2("callSystem(%s) -> SIGNALED %d", cmdbuf, WTERMSIG(rc));
return rc;
}
LOGINFO1("callSystem(%s)", cmdbuf);
return 0;
}
