133 lines
3.7 KiB
C++
133 lines
3.7 KiB
C++
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Sketch shows how to switch between WiFi and BlueTooth or use both
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// Button is attached between GPIO 0 and GND and modes are switched with each press
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#include "soc/soc_caps.h"
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#if !CONFIG_SOC_BT_SUPPORTED
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#error "This example requires native Bluetooth support"
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#endif
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#include "WiFi.h"
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#define STA_SSID "your-ssid"
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#define STA_PASS "your-pass"
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#define AP_SSID "esp32"
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enum {
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STEP_BTON,
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STEP_BTOFF,
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STEP_STA,
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STEP_AP,
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STEP_AP_STA,
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STEP_OFF,
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STEP_BT_STA,
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STEP_END
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};
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void onButton() {
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static uint32_t step = STEP_BTON;
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switch (step) {
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case STEP_BTON: //BT Only
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Serial.println("** Starting BT");
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btStart();
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break;
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case STEP_BTOFF: //All Off
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Serial.println("** Stopping BT");
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btStop();
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break;
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case STEP_STA: //STA Only
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Serial.println("** Starting STA");
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WiFi.begin(STA_SSID, STA_PASS);
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break;
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case STEP_AP: //AP Only
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Serial.println("** Stopping STA");
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WiFi.mode(WIFI_AP);
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Serial.println("** Starting AP");
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WiFi.softAP(AP_SSID);
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break;
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case STEP_AP_STA: //AP+STA
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Serial.println("** Starting STA");
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WiFi.begin(STA_SSID, STA_PASS);
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break;
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case STEP_OFF: //All Off
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Serial.println("** Stopping WiFi");
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WiFi.mode(WIFI_OFF);
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break;
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case STEP_BT_STA: //BT+STA
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Serial.println("** Starting STA+BT");
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WiFi.begin(STA_SSID, STA_PASS);
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btStart();
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break;
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case STEP_END: //All Off
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Serial.println("** Stopping WiFi+BT");
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WiFi.mode(WIFI_OFF);
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btStop();
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break;
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default: break;
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}
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if (step == STEP_END) {
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step = STEP_BTON;
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} else {
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step++;
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}
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//little debounce
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delay(100);
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}
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// WARNING: WiFiEvent is called from a separate FreeRTOS task (thread)!
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void WiFiEvent(WiFiEvent_t event) {
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switch (event) {
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case ARDUINO_EVENT_WIFI_AP_START:
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Serial.println("AP Started");
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WiFi.softAPsetHostname(AP_SSID);
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break;
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case ARDUINO_EVENT_WIFI_AP_STOP: Serial.println("AP Stopped"); break;
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case ARDUINO_EVENT_WIFI_STA_START:
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Serial.println("STA Started");
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WiFi.setHostname(AP_SSID);
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break;
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case ARDUINO_EVENT_WIFI_STA_CONNECTED: Serial.println("STA Connected"); break;
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case ARDUINO_EVENT_WIFI_STA_GOT_IP6:
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Serial.print("STA IPv6: ");
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Serial.println(WiFi.linkLocalIPv6());
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break;
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case ARDUINO_EVENT_WIFI_STA_GOT_IP:
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Serial.print("STA IPv4: ");
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Serial.println(WiFi.localIP());
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break;
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case ARDUINO_EVENT_WIFI_STA_DISCONNECTED: Serial.println("STA Disconnected"); break;
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case ARDUINO_EVENT_WIFI_STA_STOP: Serial.println("STA Stopped"); break;
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default: break;
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}
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}
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void setup() {
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Serial.begin(115200);
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pinMode(0, INPUT_PULLUP);
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WiFi.onEvent(WiFiEvent); // Will call WiFiEvent() from another thread.
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WiFi.enableIPv6();
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Serial.print("ESP32 SDK: ");
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Serial.println(ESP.getSdkVersion());
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Serial.println("Press the button to select the next mode");
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}
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void loop() {
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static uint8_t lastPinState = 1;
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uint8_t pinState = digitalRead(0);
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if (!pinState && lastPinState) {
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onButton();
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}
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lastPinState = pinState;
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}
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