Here is the example code:
// This example demonstrates the ESP RainMaker with a standard Switch device.
#include "RMaker.h"
#include "WiFi.h"
#include "WiFiProv.h"
#include "AppInsights.h"
#define DEFAULT_POWER_MODE true
const char *service_name = "PROV_1234";
const char *pop = "abcd1234";
// GPIO for push button
#if CONFIG_IDF_TARGET_ESP32C3
static int gpio_0 = 9;
static int gpio_switch = 7;
#else
// GPIO for virtual device
static int gpio_0 = 0;
static int gpio_switch = 16;
#endif
/* Variable for reading pin status*/
bool switch_state = true;
// The framework provides some standard device types like switch, lightbulb,
// fan, temperaturesensor.
static Switch *my_switch = NULL;
void sysProvEvent(arduino_event_t *sys_event)
{
switch (sys_event->event_id) {
case ARDUINO_EVENT_PROV_START:
#if CONFIG_IDF_TARGET_ESP32S2
Serial.printf("\nProvisioning Started with name \"%s\" and PoP \"%s\" on SoftAP\n",
service_name, pop);
printQR(service_name, pop, "softap");
#else
Serial.printf("\nProvisioning Started with name \"%s\" and PoP \"%s\" on BLE\n",
service_name, pop);
printQR(service_name, pop, "ble");
#endif
break;
case ARDUINO_EVENT_PROV_INIT:
wifi_prov_mgr_disable_auto_stop(10000);
break;
case ARDUINO_EVENT_PROV_CRED_SUCCESS:
wifi_prov_mgr_stop_provisioning();
break;
default:;
}
}
void write_callback(Device *device, Param *param, const param_val_t val,
void *priv_data, write_ctx_t *ctx)
{
const char *device_name = device->getDeviceName();
const char *param_name = param->getParamName();
if (strcmp(param_name, "Power") == 0) {
Serial.printf("Received value = %s for %s - %s\n",
val.val.b ? "true" : "false", device_name, param_name);
switch_state = val.val.b;
(switch_state == false) ? digitalWrite(gpio_switch, LOW)
: digitalWrite(gpio_switch, HIGH);
param->updateAndReport(val);
}
}
void setup()
{
Serial.begin(115200);
pinMode(gpio_0, INPUT);
pinMode(gpio_switch, OUTPUT);
digitalWrite(gpio_switch, DEFAULT_POWER_MODE);
Node my_node;
my_node = RMaker.initNode("ESP RainMaker Node");
// Initialize switch device
my_switch = new Switch("Switch", &gpio_switch);
if (!my_switch) {
return;
}
// Standard switch device
my_switch->addCb(write_callback);
// Add switch device to the node
my_node.addDevice(*my_switch);
// This is optional
RMaker.enableOTA(OTA_USING_TOPICS);
// If you want to enable scheduling, set time zone for your region using
// setTimeZone(). The list of available values are provided here
// https://rainmaker.espressif.com/docs/time-service.html
// RMaker.setTimeZone("Asia/Shanghai");
// Alternatively, enable the Timezone service and let the phone apps set the
// appropriate timezone
RMaker.enableTZService();
RMaker.enableSchedule();
RMaker.enableScenes();
// Enable ESP Insights. Insteads of using the default http transport, this function will
// reuse the existing MQTT connection of Rainmaker, thereby saving memory space.
initAppInsights();
RMaker.enableSystemService(SYSTEM_SERV_FLAGS_ALL, 2, 2, 2);
RMaker.start();
WiFi.onEvent(sysProvEvent);
#if CONFIG_IDF_TARGET_ESP32S2
WiFiProv.beginProvision(WIFI_PROV_SCHEME_SOFTAP, WIFI_PROV_SCHEME_HANDLER_NONE,
WIFI_PROV_SECURITY_1, pop, service_name);
#else
WiFiProv.beginProvision(WIFI_PROV_SCHEME_BLE, WIFI_PROV_SCHEME_HANDLER_FREE_BTDM,
WIFI_PROV_SECURITY_1, pop, service_name);
#endif
}
void loop()
{
if (digitalRead(gpio_0) == LOW) { // Push button pressed
// Key debounce handling
delay(100);
int startTime = millis();
while (digitalRead(gpio_0) == LOW) {
delay(50);
}
int endTime = millis();
if ((endTime - startTime) > 10000) {
// If key pressed for more than 10secs, reset all
Serial.printf("Reset to factory.\n");
RMakerFactoryReset(2);
} else if ((endTime - startTime) > 3000) {
Serial.printf("Reset Wi-Fi.\n");
// If key pressed for more than 3secs, but less than 10, reset Wi-Fi
RMakerWiFiReset(2);
} else {
// Toggle device state
switch_state = !switch_state;
Serial.printf("Toggle State to %s.\n", switch_state ? "true" : "false");
if (my_switch) {
my_switch->updateAndReportParam(ESP_RMAKER_DEF_POWER_NAME,
switch_state);
}
(switch_state == false) ? digitalWrite(gpio_switch, LOW)
: digitalWrite(gpio_switch, HIGH);
}
}
delay(100);
}