extern "C" void __yield() {
if (cont_can_yield(&g_cont)) {
esp_schedule();
esp_yield();
}
else {
panic();
}
}
void delay(unsigned long ms) {
if(ms) {
os_timer_setfn(&delay_timer, (os_timer_func_t*) &delay_end, 0);
os_timer_arm(&delay_timer, ms, ONCE);
} else {
esp_schedule();
}
esp_yield();
if(ms) {
os_timer_disarm(&delay_timer);
}
}
//void __yield()
void yield()
{
if (cont_can_yield(&g_cont))
{
esp_schedule();
esp_yield();
}
else
{
abort();
}
}
int ESP8266WiFiClass::hostByName(const char* aHostname, IPAddress& aResult)
{
ip_addr_t addr;
aResult = static_cast<uint32_t>(0);
err_t err = dns_gethostbyname(aHostname, &addr, &wifi_dns_found_callback, &aResult);
if (err == ERR_OK)
{
aResult = addr.addr;
}
else if (err == ERR_INPROGRESS)
{
esp_yield();
// will return here when dns_found_callback fires
}
return (aResult != 0) ? 1 : 0;
}
int8_t ESP8266WiFiClass::scanNetworks(bool async)
{
if(ESP8266WiFiClass::_scanStarted) {
return WIFI_SCAN_RUNNING;
}
ESP8266WiFiClass::_scanAsync = async;
if(_useApMode) {
// turn on AP+STA mode
mode(WIFI_AP_STA);
} else {
// turn on STA mode
mode(WIFI_STA);
}
int status = wifi_station_get_connect_status();
if (status != STATION_GOT_IP && status != STATION_IDLE)
{
disconnect();
}
scanDelete();
struct scan_config config;
config.ssid = 0;
config.bssid = 0;
config.channel = 0;
config.show_hidden = 0;
if(wifi_station_scan(&config, reinterpret_cast<scan_done_cb_t>(&ESP8266WiFiClass::_scanDone))) {
ESP8266WiFiClass::_scanComplete = false;
ESP8266WiFiClass::_scanStarted = true;
if(ESP8266WiFiClass::_scanAsync) {
delay(0); // time for the OS to trigger the scan
return WIFI_SCAN_RUNNING;
}
esp_yield();
return ESP8266WiFiClass::_scanCount;
} else {
return WIFI_SCAN_FAILD;
}
}
bool ESP8266WiFiClass::beginWPSConfig(void) {
_useClientMode = true;
if(_useApMode) {
// turn on AP+STA mode
mode(WIFI_AP_STA);
} else {
// turn on STA mode
mode(WIFI_STA);
}
disconnect();
DEBUGV("wps begin\n");
if(!wifi_wps_disable()) {
DEBUGV("wps disable faild\n");
return false;
}
// so far only WPS_TYPE_PBC is supported (SDK 1.2.0)
if(!wifi_wps_enable(WPS_TYPE_PBC)) {
DEBUGV("wps enable faild\n");
return false;
}
if(!wifi_set_wps_cb(&wifi_wps_status_cb)) {
DEBUGV("wps cb faild\n");
return false;
}
if(!wifi_wps_start()) {
DEBUGV("wps start faild\n");
return false;
}
esp_yield();
// will return here when wifi_wps_status_cb fires
return true;
}
int ICACHE_FLASH_ATTR WiFiClient::connect(IPAddress ip, uint16_t port)
{
if (_client)
stop();
tcp_pcb* pcb = tcp_new();
if (!pcb)
return 0;
ip_addr_t addr;
addr.addr = ip;
tcp_arg(pcb, this);
tcp_err(pcb, &WiFiClient::_s_err);
tcp_connect(pcb, &addr, port, reinterpret_cast<tcp_connected_fn>(&WiFiClient::_s_connected));
esp_yield();
if (_client)
return 1;
// if tcp_error was called, pcb has already been destroyed.
// tcp_abort(pcb);
return 0;
}
int WiFiClient::connect(IPAddress ip, uint16_t port)
{
ip_addr_t addr;
addr.addr = ip;
if (_client)
stop();
// if the default interface is down, tcp_connect exits early without
// ever calling tcp_err
// http://lists.gnu.org/archive/html/lwip-devel/2010-05/msg00001.html
netif* interface = ip_route(&addr);
if (!interface) {
DEBUGV("no route to host\r\n");
return 0;
}
tcp_pcb* pcb = tcp_new();
if (!pcb)
return 0;
if (_localPort > 0) {
pcb->local_port = _localPort++;
}
tcp_arg(pcb, this);
tcp_err(pcb, &WiFiClient::_s_err);
tcp_connect(pcb, &addr, port, reinterpret_cast<tcp_connected_fn>(&WiFiClient::_s_connected));
esp_yield();
if (_client)
return 1;
// if tcp_error was called, pcb has already been destroyed.
// tcp_abort(pcb);
return 0;
}
/**
* WPS config
* so far only WPS_TYPE_PBC is supported (SDK 1.2.0)
* @return ok
*/
bool ESP8266WiFiSTAClass::beginWPSConfig(void) {
if(!WiFi.enableSTA(true)) {
// enable STA failed
return false;
}
disconnect();
DEBUGV("wps begin\n");
if(!wifi_wps_disable()) {
DEBUGV("wps disable failed\n");
return false;
}
// so far only WPS_TYPE_PBC is supported (SDK 1.2.0)
if(!wifi_wps_enable(WPS_TYPE_PBC)) {
DEBUGV("wps enable failed\n");
return false;
}
if(!wifi_set_wps_cb((wps_st_cb_t) &wifi_wps_status_cb)) {
DEBUGV("wps cb failed\n");
return false;
}
if(!wifi_wps_start()) {
DEBUGV("wps start failed\n");
return false;
}
esp_yield();
// will return here when wifi_wps_status_cb fires
return true;
}
