//Routine to start a WiFi access point scan.
int ICACHE_FLASH_ATTR cgiWiFiStartScan(void (*callback)(void *data, int count), void *data) {
if (scanCallback) return 0;
scanCallback = callback;
scanCallbackData = data;
wifiStartScan();
return 1;
}
//This CGI is called from the bit of AJAX-code in wifi.tpl. It will initiate a
//scan for access points and if available will return the result of an earlier scan.
//The result is embedded in a bit of JSON parsed by the javascript in wifi.tpl.
int ICACHE_FLASH_ATTR cgiWiFiScan(HttpdConnData *connData) {
int len;
int i;
char buff[1024];
httpdStartResponse(connData, 200);
httpdHeader(connData, "Content-Type", "text/json");
httpdEndHeaders(connData);
if (cgiWifiAps.scanInProgress==1) {
len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"1\"\n }\n}\n");
espconn_sent(connData->conn, (uint8 *)buff, len);
} else {
len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"0\", \n\"APs\": [\n");
espconn_sent(connData->conn, (uint8 *)buff, len);
if (cgiWifiAps.apData==NULL) cgiWifiAps.noAps=0;
for (i=0; i<cgiWifiAps.noAps; i++) {
len=os_sprintf(buff, "{\"essid\": \"%s\", \"rssi\": \"%d\", \"enc\": \"%d\"}%s\n",
cgiWifiAps.apData[i]->ssid, cgiWifiAps.apData[i]->rssi,
cgiWifiAps.apData[i]->enc, (i==cgiWifiAps.noAps-1)?"":",");
espconn_sent(connData->conn, (uint8 *)buff, len);
}
len=os_sprintf(buff, "]\n}\n}\n");
espconn_sent(connData->conn, (uint8 *)buff, len);
wifiStartScan();
}
return HTTPD_CGI_DONE;
}
//This CGI is called from the bit of AJAX-code in wifi.tpl. It will initiate a
//scan for access points and if available will return the result of an earlier scan.
//The result is embedded in a bit of JSON parsed by the javascript in wifi.tpl.
int ICACHE_FLASH_ATTR cgiWiFiScan(HttpdConnData *connData) {
int len;
int i;
char buff[1024];
httpdStartResponse(connData, 200);
httpdHeader(connData, "Content-Type", "text/json");
httpdEndHeaders(connData);
if (cgiWifiAps.scanInProgress==1) {
//We're still scanning. Tell Javascript code that.
len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"1\"\n }\n}\n");
espconn_sent(connData->conn, (uint8 *)buff, len);
} else {
//We have a scan result. Pass it on.
len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"0\", \n\"APs\": [\n");
espconn_sent(connData->conn, (uint8 *)buff, len);
if (cgiWifiAps.apData==NULL) cgiWifiAps.noAps=0;
for (i=0; i<cgiWifiAps.noAps; i++) {
//Fill in json code for an access point
len=os_sprintf(buff, "{\"essid\": \"%s\", \"rssi\": \"%d\", \"enc\": \"%d\"}%s\n",
cgiWifiAps.apData[i]->ssid, cgiWifiAps.apData[i]->rssi,
cgiWifiAps.apData[i]->enc, (i==cgiWifiAps.noAps-1)?"":",");
espconn_sent(connData->conn, (uint8 *)buff, len);
}
len=os_sprintf(buff, "]\n}\n}\n");
espconn_sent(connData->conn, (uint8 *)buff, len);
//Also start a new scan.
wifiStartScan();
}
return HTTPD_CGI_DONE;
}
// ----------------------------------------------------------------------------
// Commander functions:
// ----------------------------------------------------------------------------
static void command(char cmd)
{
switch(cmd) {
case 'l': ioLed(2); break; // Turn test LED off
case 'm': scanLED(0); break; // Turn Motor off
case 'M': scanLED(1); break; // Turn Motor on
case 'h': menu(); break; // show menu
case 'd': disconnect(); break; // disconnect station
case 'c': connect_st_mode(); break; // connect
case 'i': wifi_check_ip(NULL); break; // Test for IP and send
case 'u': create_udp(); break; // send test message
case 's': send_msg(); break; // send test message
case 'w': wifiStartScan(); break; // Scan for AP's
case 'a': logwifiaps(); break; // Scan for AP's and log via UDP
default: break;
}
}
//This CGI is called from the bit of AJAX-code in wifi.tpl. It will initiate a
//scan for access points and if available will return the result of an earlier scan.
//The result is embedded in a bit of JSON parsed by the javascript in wifi.tpl.
int ICACHE_FLASH_ATTR cgiWiFiScan(HttpdConnData *connData) {
int pos=(int)connData->cgiData;
int len;
char buff[1024];
if (!cgiWifiAps.scanInProgress && pos!=0) {
//Fill in json code for an access point
if (pos-1<cgiWifiAps.noAps) {
len=os_sprintf(buff, "{\"essid\": \"%s\", \"rssi\": \"%d\", \"enc\": \"%d\"}%s\n",
cgiWifiAps.apData[pos-1]->ssid, cgiWifiAps.apData[pos-1]->rssi,
cgiWifiAps.apData[pos-1]->enc, (pos-1==cgiWifiAps.noAps-1)?"":",");
httpdSend(connData, buff, len);
}
pos++;
if ((pos-1)>=cgiWifiAps.noAps) {
len=os_sprintf(buff, "]\n}\n}\n");
httpdSend(connData, buff, len);
//Also start a new scan.
wifiStartScan();
return HTTPD_CGI_DONE;
} else {
connData->cgiData=(void*)pos;
return HTTPD_CGI_MORE;
}
}
httpdStartResponse(connData, 200);
httpdHeader(connData, "Content-Type", "text/json");
httpdEndHeaders(connData);
if (cgiWifiAps.scanInProgress==1) {
//We're still scanning. Tell Javascript code that.
len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"1\"\n }\n}\n");
httpdSend(connData, buff, len);
return HTTPD_CGI_DONE;
} else {
//We have a scan result. Pass it on.
len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"0\", \n\"APs\": [\n");
httpdSend(connData, buff, len);
if (cgiWifiAps.apData==NULL) cgiWifiAps.noAps=0;
connData->cgiData=(void *)1;
return HTTPD_CGI_MORE;
}
}
