acid-drop- Hacking the planet from a LilyGo T-Deck using custom firmware |
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RTLWiFiAnalyzer.ino (11115B)
1 /******************************************************************************* 2 * Rtl WiFi Analyzer 3 * For RTL872x only. 4 * 5 * Add realtek ameba core support to Arduino IDE: 6 * https://github.com/ambiot/ambd_arduino 7 * 8 * Old patch realtek ameba core variant.cpp to RTL8720DN pinout: 9 * https://github.com/mikey60/BW16-RTL8720DN-Module-Arduino 10 * 11 * Defalult pin list for non display dev kit: 12 * RTL8720 BW16 old patch core : CS: 18, DC: 17, RST: 2, BL: 23 13 * RTL8720_BW16 Official core : CS: 9, DC: 8, RST: 6, BL: 3 14 * RTL8722 dev board : CS: 18, DC: 17, RST: 22, BL: 23 15 * RTL8722_mini dev board : CS: 12, DC: 14, RST: 15, BL: 13 16 ******************************************************************************/ 17 18 #define SCAN_INTERVAL 3000 19 20 #include <lwip_netconf.h> 21 #include <wifi_conf.h> 22 #include <wifi_constants.h> 23 #include <wifi_structures.h> 24 #include <wl_definitions.h> 25 #include <wl_types.h> 26 27 #include <Arduino_GFX_Library.h> 28 29 #define GFX_BL DF_GFX_BL // default backlight pin, you may replace DF_GFX_BL to actual backlight pin 30 31 Arduino_DataBus *bus = create_default_Arduino_DataBus(); 32 /* More display class: https://github.com/moononournation/Arduino_GFX/wiki/Display-Class */ 33 Arduino_GFX *gfx = new Arduino_ILI9341(bus, DF_GFX_RST, 3 /* rotation */, false /* IPS */); 34 35 static int16_t w, h, text_size, banner_height, graph24_baseline, graph50_baseline, graph_baseline, graph_height, channel24_width, channel50_width, channel_width, signal_width; 36 37 // RSSI RANGE 38 #define RSSI_CEILING -40 39 #define RSSI_FLOOR -100 40 41 // Channel legend mapping 42 static uint16_t channel_legend[] = { 43 1, 2, 3, 4, 5, 6, 7, // 1, 2, 3, 4, 5, 6, 7, 44 8, 9, 10, 11, 12, 13, 14, // 8, 9, 10, 11, 12, 13, 14, 45 32, 0, 0, 0, 40, 0, 0, // 32, 34, 36, 38, 40, 42, 44, 46 0, 48, 0, 0, 0, 56, 0, // 46, 48, 50, 52, 54, 56, 58, 47 0, 0, 64, 0, 0, 0, // 60, 62, 64, 68,N/A, 96, 48 100, 0, 0, 0, 108, 0, 0, //100,102,104,106,108,110,112, 49 0, 116, 0, 0, 0, 124, 0, //114,116,118,120,122,124,126, 50 0, 0, 132, 0, 0, 0, 140, //128,N/A,132,134,136,138,140, 51 0, 0, 0, 149, 0, 0, 0, //142,144,N/A,149,151,153,155, 52 157, 0, 0, 0, 165, 0, 0, //157,159,161,163,165,167,169, 53 0, 173}; //171,173 54 55 // Channel color mapping 56 static uint16_t channel_color[] = { 57 RED, ORANGE, YELLOW, GREEN, CYAN, BLUE, MAGENTA, 58 RED, ORANGE, YELLOW, GREEN, CYAN, BLUE, MAGENTA, 59 RED, ORANGE, YELLOW, GREEN, CYAN, BLUE, MAGENTA, 60 RED, ORANGE, YELLOW, GREEN, CYAN, BLUE, MAGENTA, 61 RED, ORANGE, YELLOW, GREEN, WHITE, MAGENTA, 62 RED, ORANGE, YELLOW, GREEN, CYAN, BLUE, MAGENTA, 63 RED, ORANGE, YELLOW, GREEN, CYAN, BLUE, MAGENTA, 64 RED, ORANGE, YELLOW, GREEN, CYAN, BLUE, MAGENTA, 65 RED, ORANGE, YELLOW, GREEN, CYAN, BLUE, MAGENTA, 66 RED, ORANGE, YELLOW, GREEN, CYAN, BLUE, MAGENTA, 67 RED, ORANGE}; 68 69 static uint16_t channelIdx(int channel) 70 { 71 if (channel <= 14) // 2.4 GHz, channel 1-14 72 { 73 return channel - 1; 74 } 75 if (channel <= 64) // 5 GHz, channel 32 - 64 76 { 77 return 14 + ((channel - 32) / 2); 78 } 79 if (channel == 68) 80 { 81 return 31; 82 } 83 if (channel == 96) 84 { 85 return 33; 86 } 87 if (channel <= 144) // channel 98 - 144 88 { 89 return 34 + ((channel - 100) / 2); 90 } 91 // channel 149 - 177 92 return 58 + ((channel - 149) / 2); 93 } 94 95 static uint8_t _networkCount; 96 static char _networkSsid[WL_NETWORKS_LIST_MAXNUM][WL_SSID_MAX_LENGTH]; 97 static int32_t _networkRssi[WL_NETWORKS_LIST_MAXNUM]; 98 static uint32_t _networkEncr[WL_NETWORKS_LIST_MAXNUM]; 99 static uint8_t _networkChannel[WL_NETWORKS_LIST_MAXNUM]; 100 static char _networkMac[WL_NETWORKS_LIST_MAXNUM][18]; 101 102 static rtw_result_t wifidrv_scan_result_handler(rtw_scan_handler_result_t *malloced_scan_result) 103 { 104 rtw_scan_result_t *record; 105 106 if (malloced_scan_result->scan_complete != RTW_TRUE) 107 { 108 record = &malloced_scan_result->ap_details; 109 record->SSID.val[record->SSID.len] = 0; /* Ensure the SSID is null terminated */ 110 111 if (_networkCount < WL_NETWORKS_LIST_MAXNUM) 112 { 113 strcpy(_networkSsid[_networkCount], (char *)record->SSID.val); 114 _networkRssi[_networkCount] = record->signal_strength; 115 _networkEncr[_networkCount] = record->security; 116 _networkChannel[_networkCount] = record->channel; 117 sprintf(_networkMac[_networkCount], "%02X:%02X:%02X:%02X:%02X:%02X", 118 record->BSSID.octet[0], record->BSSID.octet[1], record->BSSID.octet[2], 119 record->BSSID.octet[3], record->BSSID.octet[4], record->BSSID.octet[5]); 120 121 _networkCount++; 122 } 123 } 124 125 return RTW_SUCCESS; 126 } 127 128 static int8_t scanNetworks() 129 { 130 uint8_t attempts = 10; 131 132 _networkCount = 0; 133 if (wifi_scan_networks(wifidrv_scan_result_handler, NULL) != RTW_SUCCESS) 134 { 135 return WL_FAILURE; 136 } 137 138 do 139 { 140 delay(SCAN_INTERVAL); 141 } while ((_networkCount == 0) && (--attempts > 0)); 142 return _networkCount; 143 } 144 145 void setup() 146 { 147 LwIP_Init(); 148 wifi_on(RTW_MODE_STA); 149 150 #if defined(LCD_PWR_PIN) 151 pinMode(LCD_PWR_PIN, OUTPUT); // sets the pin as output 152 digitalWrite(LCD_PWR_PIN, HIGH); // power on 153 #endif 154 155 #ifdef GFX_BL 156 pinMode(GFX_BL, OUTPUT); 157 digitalWrite(GFX_BL, HIGH); 158 #endif 159 160 // init LCD 161 gfx->begin(); 162 w = gfx->width(); 163 h = gfx->height(); 164 text_size = (h < 200) ? 1 : 2; 165 banner_height = (text_size * 8) + 4; 166 graph_height = ((gfx->height() - banner_height) / 2) - 30; 167 graph24_baseline = banner_height + graph_height + 10; 168 graph50_baseline = graph24_baseline + graph_height + 30; 169 channel24_width = w / 17; 170 channel50_width = w / 62; 171 172 // direct draw banner to output display 173 gfx->setTextSize(text_size); 174 gfx->fillScreen(BLACK); 175 gfx->setTextColor(GREEN); 176 gfx->setCursor(2, 2); 177 gfx->print("RTL"); 178 gfx->setTextColor(WHITE); 179 gfx->print(" WiFi Analyzer"); 180 } 181 182 void loop() 183 { 184 uint8_t ap_count_list[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; 185 int32_t peak_list[] = {RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR, RSSI_FLOOR}; 186 int16_t peak_id_list[] = {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}; 187 int32_t channel; 188 uint16_t idx; 189 int32_t rssi; 190 String ssid; 191 uint16_t color; 192 int16_t height, offset, text_width; 193 194 int n = scanNetworks(); 195 196 // clear old graph 197 gfx->fillRect(0, banner_height, w, h - banner_height, BLACK); 198 gfx->setTextSize(1); 199 200 if (n == 0) 201 { 202 gfx->setTextColor(WHITE); 203 gfx->setCursor(0, banner_height); 204 gfx->println("No networks found"); 205 } 206 else 207 { 208 for (int i = 0; i < n; i++) 209 { 210 channel = _networkChannel[i]; 211 idx = channelIdx(channel); 212 rssi = _networkRssi[i]; 213 214 // channel peak stat 215 if (peak_list[idx] < rssi) 216 { 217 peak_list[idx] = rssi; 218 peak_id_list[idx] = i; 219 } 220 221 ap_count_list[idx]++; 222 } 223 224 // plot found WiFi info 225 for (int i = 0; i < n; i++) 226 { 227 channel = _networkChannel[i]; 228 idx = channelIdx(channel); 229 rssi = _networkRssi[i]; 230 color = channel_color[idx]; 231 height = constrain(map(rssi, RSSI_FLOOR, RSSI_CEILING, 1, graph_height), 1, graph_height); 232 if (idx < 14) 233 { 234 graph_baseline = graph24_baseline; 235 channel_width = channel24_width; 236 signal_width = channel24_width * 2; 237 offset = (idx + 2) * channel24_width; 238 } 239 else 240 { 241 graph_baseline = graph50_baseline; 242 channel_width = channel50_width; 243 signal_width = channel50_width * 2; 244 offset = (idx - 14 + 2) * channel50_width; 245 } 246 247 // trim rssi with RSSI_FLOOR 248 if (rssi < RSSI_FLOOR) 249 { 250 rssi = RSSI_FLOOR; 251 } 252 253 // plot chart 254 gfx->startWrite(); 255 gfx->drawEllipseHelper(offset, graph_baseline + 1, signal_width, height, 0b0011, color); 256 gfx->endWrite(); 257 258 if (i == peak_id_list[idx]) 259 { 260 // Print SSID, signal strengh and if not encrypted 261 String ssid = _networkSsid[i]; 262 if (ssid.length() == 0) 263 { 264 ssid = _networkMac[i]; 265 } 266 text_width = (ssid.length() + 6) * 6; 267 if (text_width > w) 268 { 269 offset = 0; 270 } 271 else 272 { 273 offset -= signal_width; 274 if ((offset + text_width) > w) 275 { 276 offset = w - text_width; 277 } 278 } 279 gfx->setTextColor(color); 280 gfx->setCursor(offset, graph_baseline - 10 - height); 281 gfx->print(ssid); 282 gfx->print('('); 283 gfx->print(rssi); 284 gfx->print(')'); 285 if (_networkEncr[i] == RTW_SECURITY_OPEN) 286 { 287 gfx->print('*'); 288 } 289 } 290 } 291 } 292 293 // print WiFi found 294 gfx->setTextColor(WHITE); 295 gfx->setCursor(2, banner_height); 296 gfx->print(n); 297 gfx->print(" networks"); 298 299 // draw 2.4 GHz graph base axle 300 gfx->drawFastHLine(0, graph24_baseline, 320, WHITE); 301 for (idx = 0; idx < 14; idx++) 302 { 303 channel = channel_legend[idx]; 304 offset = (idx + 2) * channel24_width; 305 if (channel > 0) 306 { 307 gfx->setTextColor(channel_color[idx]); 308 gfx->setCursor(offset - ((channel < 10) ? 3 : 6), graph24_baseline + 2); 309 gfx->print(channel); 310 } 311 if (ap_count_list[idx] > 0) 312 { 313 gfx->setTextColor(LIGHTGREY); 314 gfx->setCursor(offset - ((ap_count_list[idx] < 10) ? 3 : 6), graph24_baseline + 8 + 2); 315 gfx->print(ap_count_list[idx]); 316 } 317 } 318 319 // draw 5 GHz graph base axle 320 gfx->drawFastHLine(0, graph50_baseline, 320, WHITE); 321 for (idx = 14; idx < 71; idx++) 322 { 323 channel = channel_legend[idx]; 324 offset = (idx - 14 + 2) * channel50_width; 325 if (channel > 0) 326 { 327 gfx->setTextColor(channel_color[idx]); 328 gfx->setCursor(offset - ((channel < 100) ? 6 : 9), graph50_baseline + 2); 329 gfx->print(channel); 330 } 331 if (ap_count_list[idx] > 0) 332 { 333 gfx->setTextColor(DARKGREY); 334 gfx->setCursor(offset - ((ap_count_list[idx] < 10) ? 3 : 6), graph50_baseline + 8 + 2); 335 gfx->print(ap_count_list[idx]); 336 } 337 } 338 339 // Wait a bit before scanning again 340 delay(SCAN_INTERVAL); 341 }