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@ -159,59 +159,56 @@ void ICACHE_FLASH_ATTR wifiScanDoneCb(void *arg, STATUS status) { |
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cgiWifiAps.scanInProgress=0; |
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} |
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//Routine to start a WiFi access point scan.
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static void ICACHE_FLASH_ATTR wifiStartScan() { |
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// int x;
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if (cgiWifiAps.scanInProgress) return; |
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cgiWifiAps.scanInProgress=1; |
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static ETSTimer scanTimer; |
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static void ICACHE_FLASH_ATTR scanStartCb(void *arg) { |
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os_printf("Starting a scan\n"); |
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wifi_station_scan(NULL, wifiScanDoneCb); |
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} |
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//This CGI is called from the bit of AJAX-code in wifi.tpl. It will initiate a
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//scan for access points and if available will return the result of an earlier scan.
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//The result is embedded in a bit of JSON parsed by the javascript in wifi.tpl.
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int ICACHE_FLASH_ATTR cgiWiFiScan(HttpdConnData *connData) { |
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int pos=(int)connData->cgiData; |
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int len; |
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char buff[1024]; |
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if (!cgiWifiAps.scanInProgress && pos!=0) { |
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//Fill in json code for an access point
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if (pos-1<cgiWifiAps.noAps) { |
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len=os_sprintf(buff, "{\"essid\": \"%s\", \"rssi\": %d, \"enc\": \"%d\"}%s\n", |
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cgiWifiAps.apData[pos-1]->ssid, cgiWifiAps.apData[pos-1]->rssi, |
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cgiWifiAps.apData[pos-1]->enc, (pos-1==cgiWifiAps.noAps-1)?"":","); |
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httpdSend(connData, buff, len); |
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static int ICACHE_FLASH_ATTR cgiWiFiStartScan(HttpdConnData *connData) { |
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jsonHeader(connData, 200); |
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if (!cgiWifiAps.scanInProgress) { |
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cgiWifiAps.scanInProgress = 1; |
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os_timer_disarm(&scanTimer); |
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os_timer_setfn(&scanTimer, scanStartCb, NULL); |
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os_timer_arm(&scanTimer, 1000, 0); |
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} |
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pos++; |
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if ((pos-1)>=cgiWifiAps.noAps) { |
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len=os_sprintf(buff, "]\n}\n}\n"); |
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httpdSend(connData, buff, len); |
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//Also start a new scan.
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wifiStartScan(); |
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return HTTPD_CGI_DONE; |
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} else { |
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connData->cgiData=(void*)pos; |
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return HTTPD_CGI_MORE; |
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} |
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} |
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} |
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httpdStartResponse(connData, 200); |
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httpdHeader(connData, "Content-Type", "text/json"); |
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httpdEndHeaders(connData); |
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static int ICACHE_FLASH_ATTR cgiWiFiGetScan(HttpdConnData *connData) { |
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char buff[2048]; |
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int len; |
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jsonHeader(connData, 200); |
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if (cgiWifiAps.scanInProgress==1) { |
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//We're still scanning. Tell Javascript code that.
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len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"1\"\n }\n}\n"); |
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len = os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"1\"\n }\n}\n"); |
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httpdSend(connData, buff, len); |
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return HTTPD_CGI_DONE; |
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} else { |
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//We have a scan result. Pass it on.
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len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"0\", \n\"APs\": [\n"); |
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} |
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len = os_sprintf(buff, "{\"result\": {\"inProgress\": \"0\", \"APs\": [\n"); |
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for (int pos=0; pos<cgiWifiAps.noAps; pos++) { |
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len += os_sprintf(buff+len, "{\"essid\": \"%s\", \"rssi\": %d, \"enc\": \"%d\"}%s\n", |
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cgiWifiAps.apData[pos]->ssid, cgiWifiAps.apData[pos]->rssi, |
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cgiWifiAps.apData[pos]->enc, (pos==cgiWifiAps.noAps-1)?"":","); |
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} |
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len += os_sprintf(buff+len, "]}}\n"); |
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//os_printf("Sending %d bytes: %s\n", len, buff);
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httpdSend(connData, buff, len); |
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if (cgiWifiAps.apData==NULL) cgiWifiAps.noAps=0; |
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connData->cgiData=(void *)1; |
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return HTTPD_CGI_MORE; |
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return HTTPD_CGI_DONE; |
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} |
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int ICACHE_FLASH_ATTR cgiWiFiScan(HttpdConnData *connData) { |
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if (connData->requestType == HTTPD_METHOD_GET) { |
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return cgiWiFiGetScan(connData); |
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} else if (connData->requestType == HTTPD_METHOD_POST) { |
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return cgiWiFiStartScan(connData); |
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} else { |
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jsonHeader(connData, 404); |
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return HTTPD_CGI_DONE; |
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} |
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} |
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@ -295,10 +292,10 @@ int ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData) { |
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return HTTPD_CGI_DONE; |
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} |
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int el = httpdFindArg(connData->post->buff, "essid", essid, sizeof(essid)); |
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int pl = httpdFindArg(connData->post->buff, "passwd", passwd, sizeof(passwd)); |
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int el = httpdFindArg(connData->getArgs, "essid", essid, sizeof(essid)); |
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int pl = httpdFindArg(connData->getArgs, "passwd", passwd, sizeof(passwd)); |
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if (el > 0 && pl > 0) { |
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if (el > 0 && pl >= 0) { |
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//Set to 0 if you want to disable the actual reconnecting bit
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#ifndef DEMO_MODE |
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os_strncpy((char*)stconf.ssid, essid, 32); |
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@ -313,6 +310,7 @@ int ICACHE_FLASH_ATTR cgiWiFiConnect(HttpdConnData *connData) { |
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jsonHeader(connData, 200); |
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} else { |
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jsonHeader(connData, 400); |
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httpdSend(connData, "Cannot parse ssid or password", -1); |
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} |
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return HTTPD_CGI_DONE; |
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} |
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@ -323,7 +321,7 @@ int ICACHE_FLASH_ATTR cgiWiFiSetMode(HttpdConnData *connData) { |
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char buff[1024]; |
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if (connData->conn==NULL) { |
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//Connection aborted. Clean up.
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// Connection aborted. Clean up.
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return HTTPD_CGI_DONE; |
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} |
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@ -348,29 +346,72 @@ int ICACHE_FLASH_ATTR cgiWiFiSetMode(HttpdConnData *connData) { |
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return HTTPD_CGI_DONE; |
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} |
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char *connStatuses[] = { "idle", "connecting", "wrong password", "AP not found", |
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static char *connStatuses[] = { "idle", "connecting", "wrong password", "AP not found", |
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"failed", "got IP address" }; |
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static char *wifiWarn[] = { 0, |
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"Switch to <a href=\\\"#\\\" onclick=\\\"changeWifiMode(3)\\\">STA+AP mode</a>", |
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"<b>Can't scan in this mode!</b> Switch to <a href=\\\"#\\\" onclick=\\\"changeWifiMode(3)\\\">STA+AP mode</a>", |
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"Switch to <a href=\\\"#\\\" onclick=\\\"changeWifiMode(1)\\\">STA mode</a>", |
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}; |
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// print various Wifi information into json buffer
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int ICACHE_FLASH_ATTR printWifiInfo(char *buff) { |
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int len; |
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struct station_config stconf; |
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wifi_station_get_config(&stconf); |
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uint8_t op = wifi_get_opmode() & 0x3; |
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char *mode = wifiMode[op]; |
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char *status = "unknown"; |
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int st = wifi_station_get_connect_status(); |
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if (st > 0 && st < sizeof(connStatuses)) status = connStatuses[st]; |
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int p = wifi_get_phy_mode(); |
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char *phy = wifiPhy[p&3]; |
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char *warn = wifiWarn[op]; |
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sint8 rssi = wifi_station_get_rssi(); |
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if (rssi > 0) rssi = 0; |
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uint8 mac_addr[6]; |
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wifi_get_macaddr(0, mac_addr); |
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len = os_sprintf(buff, |
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"\"mode\": \"%s\", \"ssid\": \"%s\", \"status\": \"%s\", \"phy\": \"%s\", " |
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"\"rssi\": \"%ddB\", \"warn\": \"%s\", \"passwd\": \"%s\", " |
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"\"mac\":\"%02x:%02x:%02x:%02x:%02x:%02x\"", |
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mode, (char*)stconf.ssid, status, phy, rssi, warn, (char*)stconf.password, |
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mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]); |
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struct ip_info info; |
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if (wifi_get_ip_info(0, &info)) { |
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len += os_sprintf(buff+len, ", \"ip\": \"%d.%d.%d.%d\"", |
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(info.ip.addr>>0)&0xff, (info.ip.addr>>8)&0xff, |
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(info.ip.addr>>16)&0xff, (info.ip.addr>>24)&0xff); |
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} else { |
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len += os_sprintf(buff+len, ", \"ip\": \"-none-\""); |
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} |
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return len; |
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} |
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int ICACHE_FLASH_ATTR cgiWiFiConnStatus(HttpdConnData *connData) { |
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char buff[1024]; |
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int len; |
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struct ip_info info; |
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int st=wifi_station_get_connect_status(); |
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jsonHeader(connData, 200); |
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len = os_sprintf(buff, "{\"status\": \"%s\"", |
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len = os_sprintf(buff, "{\"status\": \"%s\", ", |
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st > 0 && st < sizeof(connStatuses) ? connStatuses[st] : "unknown"); |
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len += printWifiInfo(buff+len); |
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len += os_sprintf(buff+len, ", "); |
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if (wifiReason != 0) { |
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len += os_sprintf(buff+len, ", \"reason\": \"%s\"", wifiGetReason()); |
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len += os_sprintf(buff+len, "\"reason\": \"%s\", ", wifiGetReason()); |
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} |
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if (st == STATION_GOT_IP) { |
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wifi_get_ip_info(0, &info); |
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len+=os_sprintf(buff+len, ", \"ip\": \"%d.%d.%d.%d\"", |
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(info.ip.addr>>0)&0xff, (info.ip.addr>>8)&0xff, |
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(info.ip.addr>>16)&0xff, (info.ip.addr>>24)&0xff); |
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if (wifi_get_opmode() != 1) { |
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//Reset into AP-only mode sooner.
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os_timer_disarm(&resetTimer); |
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@ -379,56 +420,34 @@ int ICACHE_FLASH_ATTR cgiWiFiConnStatus(HttpdConnData *connData) { |
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} |
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} |
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len+=os_sprintf(buff+len, "}\n"); |
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len += os_sprintf(buff+len, "\"x\":0}\n"); |
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buff[len] = 0; |
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os_printf(" -> %s\n", buff); |
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httpdSend(connData, buff, len); |
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return HTTPD_CGI_DONE; |
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} |
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static char *wifiWarn[] = { 0, |
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"Switch to <a href=\\\"setmode?mode=3\\\">STA+AP mode</a>", |
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"<b>Can't scan in this mode!</b> Switch to <a href=\\\"setmode?mode=3\\\">STA+AP mode</a>", |
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"Switch to <a href=\\\"setmode?mode=1\\\">STA mode</a>", |
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}; |
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// Cgi to return various Wifi information
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int ICACHE_FLASH_ATTR cgiWifiInfo(HttpdConnData *connData) { |
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char buff[1024]; |
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int len; |
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if (connData->conn==NULL) { |
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return HTTPD_CGI_DONE; // Connection aborted
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} |
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struct station_config stconf; |
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wifi_station_get_config(&stconf); |
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uint8_t op = wifi_get_opmode() & 0x3; |
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char *mode = wifiMode[op]; |
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char *status = "unknown"; |
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int st = wifi_station_get_connect_status(); |
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if (st > 0 && st < sizeof(connStatuses)) status = connStatuses[st]; |
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int p = wifi_get_phy_mode(); |
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char *phy = wifiPhy[p&3]; |
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char *warn = wifiWarn[op]; |
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sint8 rssi = wifi_station_get_rssi(); |
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if (rssi > 0) rssi = 0; |
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len = os_sprintf(buff, |
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"{\"mode\": \"%s\", \"ssid\": \"%s\", \"status\": \"%s\", \"phy\": \"%s\", " |
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"\"rssi\": \"%ddB\", \"warn\": \"%s\", \"passwd\": \"%s\"}", |
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mode, (char*)stconf.ssid, status, phy, rssi, warn, (char*)stconf.password); |
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os_strcpy(buff, "{"); |
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printWifiInfo(buff+1); |
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os_strcat(buff, "}"); |
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jsonHeader(connData, 200); |
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httpdSend(connData, buff, len); |
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httpdSend(connData, buff, -1); |
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return HTTPD_CGI_DONE; |
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} |
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// Init the wireless, which consists of setting a timer if we expect to connect to an AP
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// so we can revert to STA+AP mode if we can't connect.
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void ICACHE_FLASH_ATTR wifiInit() { |
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//wifi_station_set_hostname("esp-link");
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int x = wifi_get_opmode() & 0x3; |
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os_printf("Wifi init, mode=%s\n", wifiMode[x]); |
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wifi_set_phy_mode(2); |
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Thorsten von Eicken
10 years ago