#include #include #include #include #include #include #define SCREEN_WIDTH 128 // OLED display width, in pixels #define SCREEN_HEIGHT 64 // OLED display height, in pixels // Declaration for an SSD1306 display connected to I2C (SDA, SCL pins) // The pins for I2C are defined by the Wire-library. // On an arduino UNO: A4(SDA), A5(SCL) // On an arduino MEGA 2560: 20(SDA), 21(SCL) // On an arduino LEONARDO: 2(SDA), 3(SCL), ... #define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin) #define SCREEN_ADDRESS 0x3C // 0x3D ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32 Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); #define LOGNL(x) Serial.println(x) #define LOG(x) Serial.print(x) #define DLOGNL(x) display.println(x)//DISPLAY LOGNL #define DLOG(x) display.print(x)//DISPLAY LOG #define NUMFLAKES 10 // Number of snowflakes in the animation example #define LOGO_HEIGHT 16 #define LOGO_WIDTH 16 extern const unsigned char PROGMEM heart16x16_bmp[]; extern const unsigned char PROGMEM wifi_icon_bmp[]; extern const unsigned char PROGMEM wifi_app_frame_bmp[]; #define XPOS 0 // Indexes into the 'icons' array in function below #define YPOS 1 #define DELTAY 2 #define ENCODER_PIN_SW 13 #define ENCODER_PIN_DT 12 #define ENCODER_PIN_CLK 14 int encoder_pos = 0; uint8_t encoder_sw_state = 0; void interrupt_func_select_with_encoder_dt(void* _pos) { int* pos = static_cast(_pos); int valorDT = digitalRead(ENCODER_PIN_DT); if (valorDT == LOW) { *pos--;LOGNL(*pos); encoder_pos--; } if (valorDT == HIGH) { *pos++;LOGNL(*pos); encoder_pos++; } } void interrupt_func_select_with_encoder_sw(void* _state) { uint8_t* state = (uint8_t*)_state; *state = 1; } void setup_wifi() { WiFi.mode(WIFI_STA); } //rssi intervals weak < -90, fair < -80, good < -70, execlent < -30, perfect < 0 int rssi_intervals[5] = {-90, -80, -70, -30, 0}; int get_rssi_level (int _rssi) { int _rssi_level = 5; for (int j = 4; j > 0; j--) { if(_rssi < rssi_intervals[j] && _rssi > rssi_intervals[j - 1]) { _rssi_level = j + 1; break; } } return _rssi_level; } void wifi_scan_app () { display.clearDisplay(); encoder_pos = 0; unsigned long time_before = millis(); int n = 0; int8_t selected = encoder_pos; int8_t selected_before = selected; int8_t selected_cursor_x = 5; int16_t cursor_x = 5, cursor_y = 20; int16_t box_x, box_y; uint16_t text_w, text_h; String selected_ssid; String selected_ssid_before; int8_t selected_rssi; String selected_enc_type; n = WiFi.scanNetworks(); selected_rssi = WiFi.RSSI(selected); selected_ssid = WiFi.SSID(selected); selected_ssid_before = selected_ssid; selected_enc_type = (WiFi.encryptionType(selected) == WIFI_AUTH_OPEN ? " ": "*"); int8_t box_w = (display.width()/2 - cursor_x); bool changed = 0; while(1) { display.drawBitmap(0, 0, wifi_app_frame_bmp, display.width(), display.height(), SSD1306_WHITE); display.display(); display.setTextSize(1); display.setTextWrap(false); display.setTextColor(SSD1306_WHITE); selected = encoder_pos; const String ssid = selected_ssid + selected_enc_type; int rssi = selected_rssi; if (selected < -1) { encoder_pos = selected = n - 1; } if (selected == n) { encoder_pos = selected = -1; } //LOG(selected); if ((millis() - time_before) > 5000UL) { WiFi.scanNetworks(true); time_before = millis(); } int _n = WiFi.scanComplete(); //LOG(_n); if (selected != selected_before && selected_before != -1) { display.getTextBounds(selected_ssid_before, cursor_x, cursor_y, &box_x, &box_y, &text_w, &text_h); display.fillRect(4, cursor_y - 2 + selected_before * text_h, box_w, text_h + 3, SSD1306_BLACK); display.setCursor(selected_cursor_x = cursor_x, cursor_y + selected_before*text_h); DLOG(selected_ssid_before); if (text_w > box_w) display.fillRect(4 + box_w, cursor_y + selected_before*text_h, text_w - box_w, text_h, SSD1306_BLACK); LOG("selection before: ");LOGNL(selected_before); for (int j = 0; j < 5; j++){ //LOG(((j <= rssi_level)?"SSD1306_WHITE": "SSD1306_BLACK")); display.fillRect(cursor_x + box_w + 20 + j*(display.width()/10 - 4), cursor_y + selected_before*text_h, display.width()/10 - 5, text_h - 2, ((j <= get_rssi_level(rssi))?SSD1306_WHITE: SSD1306_BLACK)); } selected_before = selected; selected_ssid_before = selected_ssid; LOG("selection now: ");LOGNL(selected); } // DLOGNL("Escaneamento completo!"); // DLOG(n);DLOGNL(" redes WiFi encontradas."); //scroll to left the selected ssid-----* if(selected >= 0) { display.getTextBounds(ssid, cursor_x, cursor_y, &box_x, &box_y, &text_w, &text_h); display.drawRect(4, cursor_y - 2 + selected * text_h, box_w, text_h + 3, SSD1306_WHITE); display.fillRect(5, cursor_y + selected*text_h, box_w - 2, text_h, SSD1306_BLACK); display.setCursor(selected_cursor_x, cursor_y + selected*text_h); //LOGNL(selected_cursor_x); DLOG(ssid); if ((selected_cursor_x + text_w) < (4 + box_w)) selected_cursor_x = 5; else selected_cursor_x-=1; if (text_w > box_w) display.fillRect(4 + box_w, cursor_y + selected*text_h, text_w - box_w, text_h, SSD1306_BLACK); display.fillRect(0, cursor_y + selected*text_h, 4, text_h, SSD1306_BLACK); //LOG(rssi_level); for (int j = 0; j < 5; j++){ //LOG(((j <= rssi_level)?"SSD1306_WHITE": "SSD1306_BLACK")); display.fillRect(cursor_x + box_w + 20 + j*(display.width()/10 - 4), cursor_y + selected*text_h, display.width()/10 - 5, text_h - 2, ((j <= get_rssi_level(rssi))?SSD1306_WHITE: SSD1306_BLACK)); } } //--------------------------------------* if (_n > 0) { //LOGNL("Escaneamento completo!"); n = _n; //LOG(n);LOGNL(" redes WiFi encontradas."); selected_rssi = WiFi.RSSI(selected); selected_ssid = WiFi.SSID(selected); selected_enc_type = (WiFi.encryptionType(selected) == WIFI_AUTH_OPEN ? " ": "*"); for (int i = 0; i < n; i++) { const String ssid = WiFi.SSID(i)+(WiFi.encryptionType(i) == WIFI_AUTH_OPEN ? " ": "*"); int rssi = WiFi.RSSI(i); display.getTextBounds(ssid, cursor_x, cursor_y, &box_x, &box_y, &text_w, &text_h); if (selected != i){ //display.drawRect(4, cursor_y - 2 + i*cursor_y, box_w, text_h + 3, SSD1306_WHITE); //display.drawRect(4, cursor_y - 2 + selected * text_h, box_w, text_h + 3, SSD1306_BLACK); display.setCursor(cursor_x, cursor_y + i*text_h); DLOG(ssid); if (text_w > box_w) display.fillRect(4 + box_w, cursor_y + i*text_h, text_w - box_w, text_h, SSD1306_BLACK); display.fillRect(0, cursor_y + i*text_h, 4, text_h, SSD1306_BLACK); for (int j = 0; j < 5; j++){ //LOG(((j <= rssi_level)?"SSD1306_WHITE": "SSD1306_BLACK")); display.fillRect(cursor_x + box_w + 20 + j*(display.width()/10 - 4), cursor_y + i*text_h, display.width()/10 - 5, text_h - 2, ((j <= get_rssi_level(rssi))?SSD1306_WHITE: SSD1306_BLACK)); } } display.display(); //LOG(i + 1);LOG(':');LOG(ssid);LOG((WiFi.encryptionType(i) == WIFI_AUTH_OPEN ? " ": "*"));LOG(" : ");LOGNL(rssi); } } if (selected == -1) { display.drawRect(0, 0, display.width()/4, cursor_y, SSD1306_WHITE); if (encoder_sw_state == 1) { encoder_sw_state = 0; break; } } else { display.drawRect(0, 0, display.width()/4, cursor_y, SSD1306_BLACK); encoder_sw_state = 0; } display.display(); delay(50); } } void test_bmp (const uint8_t* bmp, uint8_t w, uint8_t h) { display.clearDisplay(); display.drawBitmap((display.width() - w)/2, (display.height() - h)/2, bmp, w, h, SSD1306_WHITE); display.display(); } void snow_heart_app() { int8_t f, icons[NUMFLAKES][3]; // Initialize 'snowflake' positions for (f = 0; f < NUMFLAKES; f++) { icons[f][XPOS] = random(1 - 16/*BMP_WIDTH*/, display.width()); icons[f][YPOS] = -16;//BMP_HEIGHT icons[f][DELTAY] = random(1, 6); Serial.print(F("x: ")); Serial.print(icons[f][XPOS], DEC); Serial.print(F(" y: ")); Serial.print(icons[f][YPOS], DEC); Serial.print(F(" dy: ")); Serial.println(icons[f][DELTAY], DEC); } for (;;) { // Loop forever... display.clearDisplay(); // Clear the display buffer // Draw each snowflake: for (f = 0; f < NUMFLAKES; f++) { display.drawBitmap(icons[f][XPOS], icons[f][YPOS], heart16x16_bmp, 16, 16, SSD1306_WHITE); } display.display(); // Show the display buffer on the screen delay(50); // Pause for 1/10 second // Then update coordinates of each flake... for (f = 0; f < NUMFLAKES; f++) { icons[f][YPOS] += icons[f][DELTAY]; // If snowflake is off the bottom of the screen... if (icons[f][YPOS] >= display.height()) { // Reinitialize to a random position, just off the top icons[f][XPOS] = random(1 - 16/*BMP_WIDTH*/, display.width()); icons[f][YPOS] = -16;//BMP_HEIGHT icons[f][DELTAY] = random(1, 6); } } } } void main_menu_app() { ; } void setup() { Serial.begin(115200); Wire.begin(2, 4); setup_wifi(); //Interrupts pinMode(ENCODER_PIN_CLK, INPUT); pinMode(ENCODER_PIN_DT, INPUT); pinMode(ENCODER_PIN_SW, INPUT); attachInterruptArg(digitalPinToInterrupt(ENCODER_PIN_CLK), interrupt_func_select_with_encoder_dt, &encoder_pos, FALLING); attachInterruptArg(digitalPinToInterrupt(ENCODER_PIN_SW), interrupt_func_select_with_encoder_sw, &encoder_sw_state, RISING); // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) { Serial.println(F("SSD1306 allocation failed")); for (;;) ; // Don't proceed, loop forever } Serial.println(F("SSD1306 allocation OK")); //snow_heart_app(); // Animate bitmaps //test_bmp(wifi_icon_bmp, 32, 32); wifi_scan_app(); } void loop() { }