jannik/esp32-sensornode
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[CODE] remember when wifi connect failed + fix reconnect sleep time

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This commit is contained in:
Jannik Beyerstedt 2018-08-04 13:13:35 +02:00
parent f967676088
commit c56085613d
1 changed files with 27 additions and 24 deletions
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39
main/esp32-sensornode_main.cpp
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@ -65,7 +65,9 @@ String serviceUri = "/write?db=test";
#endif #endif
/* GLOBAL VARIABLES */ /* GLOBAL VARIABLES */
const unsigned int wifiConnectTimeout = 30; /* num of 500ms intervals */ const uint16_t wlanConnectCheckInterval = 250; /* milli seconds: poll wifi.state after wifi.begin() */
const uint16_t wlanConnectTimeout = 15000; /* milli seconds */
RTC_DATA_ATTR uint8_t wlanConnectFailCnt = 0;
Si7021 si7021 = Si7021(); Si7021 si7021 = Si7021();
float temp = 0.0; float temp = 0.0;
@ -74,7 +76,7 @@ float humi = 0.0;
uint16_t battLevel = 0; uint16_t battLevel = 0;
float battPerc = 0.0; float battPerc = 0.0;
RTC_DATA_ATTR uint8_t sampleCnt = 0; RTC_DATA_ATTR uint8_t sampleCnt = 0; // for average value
RTC_DATA_ATTR float tempAccu = 0.0; // for average value RTC_DATA_ATTR float tempAccu = 0.0; // for average value
RTC_DATA_ATTR float humiAccu = 0.0; // for average value RTC_DATA_ATTR float humiAccu = 0.0; // for average value
@ -102,11 +104,10 @@ bool wlanConnect(void) {
WiFi.mode(WIFI_STA); WiFi.mode(WIFI_STA);
WiFi.begin(wlan_ssid, wlan_passwd); WiFi.begin(wlan_ssid, wlan_passwd);
while (WiFi.status() != WL_CONNECTED) { while (WiFi.status() != WL_CONNECTED) {
delay(500); delay(wlanConnectCheckInterval);
INFO_PRINT("."); INFO_PRINT(".");
cycles++; cycles++;
if (cycles > wifiConnectTimeout) { if (cycles > wlanConnectTimeout / wlanConnectCheckInterval) {
INFO_PRINTLN(" FAILED"); INFO_PRINTLN(" FAILED");
return false; return false;
} }
@ -154,10 +155,10 @@ void printWakeupReason() {
} }
extern "C" void app_main() { extern "C" void app_main() {
// ESP32 Setup
initArduino(); initArduino();
pinMode(4, OUTPUT); pinMode(4, OUTPUT);
digitalWrite(4, HIGH); digitalWrite(4, HIGH);
//do your own thing
#ifdef PRINT_INFO #ifdef PRINT_INFO
Serial.begin(115200); Serial.begin(115200);
@ -173,10 +174,6 @@ extern "C" void app_main() {
printWakeupReason(); printWakeupReason();
#endif #endif
// switch WiFi off for the moment
DEBUG_PRINTLN("[DEBUG] Turning wifi off for now");
WiFi.mode(WIFI_OFF);
// setup the si7021 sensor // setup the si7021 sensor
if (false == si7021.begin()) { if (false == si7021.begin()) {
INFO_PRINTLN("[ERROR] SI7021 not set up properly"); INFO_PRINTLN("[ERROR] SI7021 not set up properly");
@ -205,11 +202,9 @@ extern "C" void app_main() {
/* ---------- MAIN LOGIC START ---------- */ /* ---------- MAIN LOGIC START ---------- */
// accumulate and average $sampleAvgNum samples before sending data // accumulate and average $sampleAvgNum samples before sending data
if (sampleCnt < sampleAvgNum) {
sampleCnt++; sampleCnt++;
tempAccu += temp; tempAccu += temp;
humiAccu += humi; humiAccu += humi;
}
// calculate average and send data, if $sampleAvgNum are reached // calculate average and send data, if $sampleAvgNum are reached
if (sampleCnt >= sampleAvgNum) { if (sampleCnt >= sampleAvgNum) {
@ -217,9 +212,6 @@ extern "C" void app_main() {
INFO_PRINTLN("[INFO ] Enough samples collected -> send average to database"); INFO_PRINTLN("[INFO ] Enough samples collected -> send average to database");
temp = tempAccu / (float)sampleCnt; temp = tempAccu / (float)sampleCnt;
humi = humiAccu / (float)sampleCnt; humi = humiAccu / (float)sampleCnt;
sampleCnt = 0;
tempAccu = 0;
humiAccu = 0;
#ifdef PRINT_INFO #ifdef PRINT_INFO
Serial.printf("[INFO ] < Humidity: %5.2f Temperature: %5.2f\n", humi, temp); Serial.printf("[INFO ] < Humidity: %5.2f Temperature: %5.2f\n", humi, temp);
#endif #endif
@ -253,6 +245,13 @@ extern "C" void app_main() {
if (line.indexOf("204") == -1) { // expect a HTTP 204 status code if (line.indexOf("204") == -1) { // expect a HTTP 204 status code
INFO_PRINTLN("[ERROR]: invalid http status code"); INFO_PRINTLN("[ERROR]: invalid http status code");
INFO_PRINTLN(line); INFO_PRINTLN(line);
} else { // successful database submission
// reset average after successful database submission
sampleCnt = 0;
tempAccu = 0;
humiAccu = 0;
wlanConnectFailCnt = 0;
} }
break; break;
} else { } else {
@ -270,11 +269,15 @@ extern "C" void app_main() {
} else { // ELSE: !wifiConnect } else { // ELSE: !wifiConnect
/* WIFI CONNECT FAILED, WAIT MAX 5 MINUTES IN DEEP SLEEP */ /* WIFI CONNECT FAILED, WAIT MAX 5 MINUTES IN DEEP SLEEP */
INFO_PRINTLN("[INFO ] WiFi connect failed -> wait a bit and try again"); wlanConnectFailCnt++;
if (sendInterval_sec > (5 * 60)) { #ifdef PRINT_INFO
Serial.printf("[INFO ] WiFi connect failed %d time(s) -> wait %03d s and try again\n",
wlanConnectFailCnt, sampleInterval_sec);
#endif
if (sampleInterval_sec > (5 * 60)) {
doDeepSleep(5 * 60); doDeepSleep(5 * 60);
} else { } else {
doDeepSleep(sendInterval_sec); doDeepSleep(sampleInterval_sec);
} }
} // ENDIF: wifiConnect } // ENDIF: wifiConnect