ESP32-PaxCounter/src/cyclic.cpp
Klaus K Wilting 25a97fbbcc BME680 fixes
2019-01-06 19:41:42 +01:00

155 lines
4.4 KiB
C++

/* This routine is called by interrupt in regular intervals */
/* Interval can be set in paxcounter.conf (HOMECYCLE) */
// Basic config
#include "cyclic.h"
// Local logging tag
static const char TAG[] = "main";
uint32_t userUTCTime; // Seconds since the UTC epoch
unsigned long nextTimeSync = millis();
// do all housekeeping
void doHousekeeping() {
// update uptime counter
uptime();
// check if update mode trigger switch was set
if (cfg.runmode == 1)
do_reset();
spi_housekeeping();
lora_housekeeping();
// time sync once per TIME_SYNC_INTERVAL
#ifdef TIME_SYNC_INTERVAL
if (millis() >= nextTimeSync) {
nextTimeSync =
millis() + TIME_SYNC_INTERVAL * 60000; // set up next time sync period
do_timesync();
}
#endif
// task storage debugging //
ESP_LOGD(TAG, "Wifiloop %d bytes left | Taskstate = %d",
uxTaskGetStackHighWaterMark(wifiSwitchTask),
eTaskGetState(wifiSwitchTask));
ESP_LOGD(TAG, "IRQhandler %d bytes left | Taskstate = %d",
uxTaskGetStackHighWaterMark(irqHandlerTask),
eTaskGetState(irqHandlerTask));
#ifdef HAS_GPS
ESP_LOGD(TAG, "Gpsloop %d bytes left | Taskstate = %d",
uxTaskGetStackHighWaterMark(GpsTask), eTaskGetState(GpsTask));
#endif
#ifdef HAS_BME
ESP_LOGD(TAG, "Bmeloop %d bytes left | Taskstate = %d",
uxTaskGetStackHighWaterMark(BmeTask), eTaskGetState(BmeTask));
#endif
#if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
ESP_LOGD(TAG, "LEDloop %d bytes left | Taskstate = %d",
uxTaskGetStackHighWaterMark(ledLoopTask),
eTaskGetState(ledLoopTask));
#endif
// read battery voltage into global variable
#ifdef HAS_BATTERY_PROBE
batt_voltage = read_voltage();
ESP_LOGI(TAG, "Voltage: %dmV", batt_voltage);
#endif
// display BME sensor data
#ifdef HAS_BME
ESP_LOGI(TAG, "BME680 Temp: %.2f°C | IAQ: %.2f | IAQacc: %d",
bme_status.temperature, bme_status.iaq, bme_status.iaq_accuracy);
#endif
// check free heap memory
if (ESP.getMinFreeHeap() <= MEM_LOW) {
ESP_LOGI(TAG,
"Memory full, counter cleared (heap low water mark = %d Bytes / "
"free heap = %d bytes)",
ESP.getMinFreeHeap(), ESP.getFreeHeap());
SendPayload(COUNTERPORT); // send data before clearing counters
reset_counters(); // clear macs container and reset all counters
get_salt(); // get new salt for salting hashes
if (ESP.getMinFreeHeap() <= MEM_LOW) // check again
do_reset(); // memory leak, reset device
}
// check free PSRAM memory
#ifdef BOARD_HAS_PSRAM
if (ESP.getMinFreePsram() <= MEM_LOW) {
ESP_LOGI(TAG, "PSRAM full, counter cleared");
SendPayload(COUNTERPORT); // send data before clearing counters
reset_counters(); // clear macs container and reset all counters
get_salt(); // get new salt for salting hashes
if (ESP.getMinFreePsram() <= MEM_LOW) // check again
do_reset(); // memory leak, reset device
}
#endif
} // doHousekeeping()
// uptime counter 64bit to prevent millis() rollover after 49 days
uint64_t uptime() {
static uint32_t low32, high32;
uint32_t new_low32 = millis();
if (new_low32 < low32)
high32++;
low32 = new_low32;
return (uint64_t)high32 << 32 | low32;
}
uint32_t getFreeRAM() {
#ifndef BOARD_HAS_PSRAM
return ESP.getFreeHeap();
#else
return ESP.getFreePsram();
#endif
}
void reset_counters() {
macs.clear(); // clear all macs container
macs_total = 0; // reset all counters
macs_wifi = 0;
macs_ble = 0;
}
void do_timesync() {
#ifdef TIME_SYNC_INTERVAL
// sync time & date by GPS if we have valid gps time
#ifdef HAS_GPS
if (gps.time.isValid()) {
setTime(gps.time.hour(), gps.time.minute(), gps.time.second(),
gps.date.day(), gps.date.month(), gps.date.year());
ESP_LOGI(TAG, "Time synced by GPS to %02d:%02d:%02d", hour(), minute(),
second());
return;
} else {
ESP_LOGI(TAG, "No valid GPS time");
}
#endif // HAS_GPS
// sync time by LoRa Network if network supports DevTimeReq
#ifdef LMIC_ENABLE_DeviceTimeReq
// Schedule a network time request at the next possible time
LMIC_requestNetworkTime(user_request_network_time_callback, &userUTCTime);
ESP_LOGI(TAG, "Network time request scheduled");
#endif
#endif // TIME_SYNC_INTERVAL
} // do_timesync()
#ifndef VERBOSE
int redirect_log(const char *fmt, va_list args) {
// do nothing
return 0;
}
#endif