mathieu/esp8266_deepsleep
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Can use bssid and channel to save power

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It's much faster to connect to wifi, so less power hungry
This commit is contained in:
Mathieu Maret 2019-05-13 22:11:38 +02:00
parent b19406af98
commit 27145540e1
1 changed files with 11 additions and 5 deletions
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16
deepSleep.ino
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@ -37,6 +37,8 @@ Adafruit_MQTT_Publish *mqtt_voltage;
const char *ssid = "XXXXX"; const char *ssid = "XXXXX";
const char *password = "XXXXX"; const char *password = "XXXXX";
uint8_t bssid[6] = {0x14, 0x0C, 0x76, 0xB1, 0x37, 0x32};
int32_t channel = 11; //0 for Auto
ADC_MODE(ADC_VCC); ADC_MODE(ADC_VCC);
void setup() void setup()
@ -95,9 +97,9 @@ int mqttConnect(float h, float t)
mqtt_temp = new Adafruit_MQTT_Publish(mqtt, TEMPERATURE_FEED_FORMAT, 0); mqtt_temp = new Adafruit_MQTT_Publish(mqtt, TEMPERATURE_FEED_FORMAT, 0);
mqtt_pressure = new Adafruit_MQTT_Publish(mqtt, HUMIDITY_FEED_FORMAT, 0); mqtt_pressure = new Adafruit_MQTT_Publish(mqtt, HUMIDITY_FEED_FORMAT, 0);
mqtt_voltage = new Adafruit_MQTT_Publish(mqtt, VOLTAGE_FEED_FORMAT, 0); mqtt_voltage = new Adafruit_MQTT_Publish(mqtt, VOLTAGE_FEED_FORMAT, 0);
if(!mqtt_temp->publish(t)){ if (!mqtt_temp->publish(t)) {
Serial.println("failed to send temp"); Serial.println("failed to send temp");
} }
mqtt_pressure->publish(h); mqtt_pressure->publish(h);
mqtt_voltage->publish(ESP.getVcc()); mqtt_voltage->publish(ESP.getVcc());
mqtt->disconnect(); mqtt->disconnect();
@ -135,11 +137,15 @@ int doMeasure()
IPAddress gateway(192, 168, 0, 254); IPAddress gateway(192, 168, 0, 254);
IPAddress subnet(255, 255, 255, 0); IPAddress subnet(255, 255, 255, 0);
WiFi.config(ip, gateway, subnet); WiFi.config(ip, gateway, subnet);
WiFi.begin(ssid, password); WiFi.begin(ssid, password, channel, bssid);
int retry = 10;
while (WiFi.status() != WL_CONNECTED) { while (WiFi.status() != WL_CONNECTED) {
delay(100); delay(100);
Serial.print("."); Serial.print(".");
if (retry < 0)
continue;
retry --;
} }
@ -148,8 +154,8 @@ int doMeasure()
Serial.println("IP address: "); Serial.println("IP address: ");
Serial.println(WiFi.localIP()); Serial.println(WiFi.localIP());
mqttConnect(h, t); mqttConnect(h, t);
if (WiFiOff()){ if (WiFiOff()) {
//if (WiFi.forceSleepBegin(0)) { //if (WiFi.forceSleepBegin(0)) {
Serial.println("Fail to set sleep mode"); Serial.println("Fail to set sleep mode");
} }
return 0; return 0;