DigitalInfinity/ESP32-PaxCounter
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Merge pull request #673 from cyberman54/development

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v2.0.4
This commit is contained in:
Verkehrsrot 2020-11-10 11:27:58 +01:00 committed by GitHub
commit 7f20c198b9
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15 changed files with 222 additions and 196 deletions
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1
README.md
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@ -55,7 +55,6 @@ Depending on board hardware following features are supported:
- OLED Display (shows detailed status)
- RGB LED (shows colorized status)
- Button (short press: flip display page / long press: send alarm message)
- Silicon unique ID
- Battery voltage monitoring (analog read / AXP192 / IP5306)
- GPS (Generic serial NMEA, or Quectel L76 I2C)
- Environmental sensors (Bosch BMP180/BME280/BME680 I2C; SDS011 serial)

18
include/globals.h
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@ -18,10 +18,6 @@
#include "mallocator.h"
#include <bsec.h>
// sniffing types
#define MAC_SNIFF_WIFI 0
#define MAC_SNIFF_BLE 1
// bits in payloadmask for filtering payload data
#define GPS_DATA (0x01)
#define ALARM_DATA (0x02)
@ -67,9 +63,9 @@
enum sendprio_t { prio_low, prio_normal, prio_high };
enum timesource_t { _gps, _rtc, _lora, _unsynced };
enum snifftype_t { MAC_SNIFF_WIFI, MAC_SNIFF_BLE, MAC_SNIFF_BLE_ENS };
enum runmode_t {
RUNMODE_POWERCYCLE = 0,
RUNMODE_POWERCYCLE,
RUNMODE_NORMAL,
RUNMODE_WAKEUP,
RUNMODE_UPDATE
@ -114,6 +110,13 @@ typedef struct {
uint8_t Message[PAYLOAD_BUFFER_SIZE];
} MessageBuffer_t;
// Struct for MAC processing queue
typedef struct {
uint8_t mac[6];
int8_t rssi;
snifftype_t sniff_type;
} MacBuffer_t;
typedef struct {
int32_t latitude;
int32_t longitude;
@ -145,13 +148,14 @@ extern std::array<uint64_t, 0xff> beacons;
extern configData_t cfg; // current device configuration
extern char lmic_event_msg[LMIC_EVENTMSG_LEN]; // display buffer
extern uint8_t volatile channel; // wifi channel rotation counter
extern uint8_t volatile rf_load; // RF traffic indicator
extern uint8_t batt_level; // display value
extern uint16_t volatile macs_wifi, macs_ble; // display values
extern bool volatile TimePulseTick; // 1sec pps flag set by GPS or RTC
extern timesource_t timeSource;
extern hw_timer_t *displayIRQ, *matrixDisplayIRQ, *ppsIRQ;
extern SemaphoreHandle_t I2Caccess;
extern TaskHandle_t irqHandlerTask, ClockTask;
extern TaskHandle_t irqHandlerTask, ClockTask, macProcessTask;
extern TimerHandle_t WifiChanTimer;
extern Timezone myTZ;
extern RTC_DATA_ATTR runmode_t RTC_runmode;

9
include/macsniff.h
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@ -14,13 +14,12 @@
#include "corona.h"
#endif
#define MAC_SNIFF_WIFI 0
#define MAC_SNIFF_BLE 1
#define MAC_SNIFF_BLE_CWA 2
uint16_t get_salt(void);
uint64_t macConvert(uint8_t *paddr);
uint16_t mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type);
esp_err_t macQueueInit(void);
void mac_process(void *pvParameters);
void IRAM_ATTR mac_add(uint8_t *paddr, int8_t rssi, snifftype_t sniff_type);
uint16_t mac_analyze(MacBuffer_t MacBuffer);
void printKey(const char *name, const uint8_t *key, uint8_t len, bool lsb);
#endif

2
platformio_orig.ini
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@ -46,7 +46,7 @@ description = Paxcounter is a device for metering passenger flows in realtime. I
[common]
; for release_version use max. 10 chars total, use any decimal format like "a.b.c"
release_version = 2.0.3
release_version = 2.0.4
; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
debug_level = 3

56
src/blecsan.cpp
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@ -6,14 +6,10 @@
#define BT_BD_ADDR_HEX(addr) \
addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]
// UUID of Exposure Notification Service (ENS)
// see
// https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification_v1.2.2.pdf
static const char ensMagicBytes[] = "\x16\x6f\xfd";
// local Tag for logging
static const char TAG[] = "bluetooth";
#ifdef VERBOSE
const char *bt_addr_t_to_string(esp_ble_addr_type_t type) {
switch (type) {
case BLE_ADDR_TYPE_PUBLIC:
@ -110,15 +106,24 @@ const char *btsig_gap_type(uint32_t gap_type) {
return "Unknown type";
}
} // btsig_gap_type
#endif
// using IRAM_:ATTR here to speed up callback function
// using IRAM_ATTR here to speed up callback function
IRAM_ATTR void gap_callback_handler(esp_gap_ble_cb_event_t event,
esp_ble_gap_cb_param_t *param) {
esp_ble_gap_cb_param_t *p = (esp_ble_gap_cb_param_t *)param;
#if (COUNT_ENS)
// UUID of Exposure Notification Service (ENS)
// https://blog.google/documents/70/Exposure_Notification_-_Bluetooth_Specification_v1.2.2.pdf
static const char ensMagicBytes[] = "\x16\x6f\xfd";
#endif
#ifdef VERBOSE
ESP_LOGV(TAG, "BT payload rcvd -> type: 0x%.2x -> %s", *p->scan_rst.ble_adv,
btsig_gap_type(*p->scan_rst.ble_adv));
#endif
switch (event) {
case ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT:
@ -138,42 +143,37 @@ IRAM_ATTR void gap_callback_handler(esp_gap_ble_cb_event_t event,
if (p->scan_rst.search_evt ==
ESP_GAP_SEARCH_INQ_RES_EVT) // Inquiry result for a peer device
{ // evaluate sniffed packet
#ifdef VERBOSE
ESP_LOGV(TAG, "Device address (bda): %02x:%02x:%02x:%02x:%02x:%02x",
BT_BD_ADDR_HEX(p->scan_rst.bda));
ESP_LOGV(TAG, "Addr_type : %s",
bt_addr_t_to_string(p->scan_rst.ble_addr_type));
ESP_LOGV(TAG, "RSSI : %d", p->scan_rst.rssi);
if ((cfg.rssilimit) &&
(p->scan_rst.rssi < cfg.rssilimit)) { // rssi is negative value
ESP_LOGI(TAG, "BLTH RSSI %d -> ignoring (limit: %d)", p->scan_rst.rssi,
cfg.rssilimit);
break;
}
#endif
#if (VENDORFILTER)
if ((p->scan_rst.ble_addr_type == BLE_ADDR_TYPE_RANDOM) ||
(p->scan_rst.ble_addr_type == BLE_ADDR_TYPE_RPA_RANDOM)) {
#ifdef VERBOSE
ESP_LOGV(TAG, "BT device filtered");
#endif
break;
}
#endif
// hash and add this device and show new count total if it was not
// previously added
// add this device mac to processing queue
#if (COUNT_ENS)
uint16_t hashedmac =
#endif
mac_add((uint8_t *)p->scan_rst.bda, p->scan_rst.rssi, MAC_SNIFF_BLE);
#if (COUNT_ENS)
if (cfg.enscount) {
// check for ens signature
if (NULL != strstr((const char *)p->scan_rst.ble_adv, ensMagicBytes))
cwa_mac_add(hashedmac);
if (cfg.enscount) {
if (strstr((const char *)p->scan_rst.ble_adv, ensMagicBytes) != NULL)
mac_add((uint8_t *)p->scan_rst.bda, p->scan_rst.rssi,
MAC_SNIFF_BLE_ENS);
else
mac_add((uint8_t *)p->scan_rst.bda, p->scan_rst.rssi, MAC_SNIFF_BLE);
}
#else
mac_add((uint8_t *)p->scan_rst.bda, p->scan_rst.rssi, MAC_SNIFF_BLE);
#endif
/* to be improved in vendorfilter if:
@ -186,8 +186,8 @@ IRAM_ATTR void gap_callback_handler(esp_gap_ble_cb_event_t event,
// uint8_t *data = esp_ble_resolve_adv_data(p->scan_rst.ble_adv,
ESP_BLE_AD_TYPE_NAME_CMPL, &len);
filter BLE devices using their advertisements to get filter alternative to
vendor OUI if vendorfiltering is on, we ...
filter BLE devices using their advertisements to get filter alternative
to vendor OUI if vendorfiltering is on, we ...
- want to count: mobile phones and tablets
- don't want to count: beacons, peripherals (earphones, headsets,
printers), cars and machines see
@ -211,13 +211,13 @@ IRAM_ATTR void gap_callback_handler(esp_gap_ble_cb_event_t event,
default:
break;
}
} // switch
} // gap_callback_handler
esp_err_t register_ble_callback(void) {
ESP_LOGI(TAG, "Register GAP callback");
// This function is called to occur gap event, such as scan result.
// This function is called when gap event occurs, such as scan result.
// register the scan callback function to the gap module
ESP_ERROR_CHECK(esp_ble_gap_register_callback(&gap_callback_handler));

13
src/corona.cpp
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@ -23,18 +23,13 @@ static std::map<uint16_t, unsigned long> cwaSeenNotifiers;
// Remove notifiers last seen over FORGET_AFTER_MINUTES ago.
void cwa_clear() {
/*
#ifdef SOME_FORM_OF_DEBUG
ESP_LOGD(TAG, "CWA: forget old notifier: %d", cwaSeenNotifiers.size());
#ifdef VERBOSE
ESP_LOGV(TAG, "CWA: forget old notifier: %d", cwaSeenNotifiers.size());
for (auto const &notifier : cwaSeenNotifiers) {
ESP_LOGD(TAG, "CWA forget <%X>", notifier.first);
ESP_LOGD(TAG, "CWA forget <%04X>", notifier.first);
// }
}
#endif
*/
#endif
// clear everything, otherwise we would count the same device again, as in the
// next cycle it likely will advertise with a different hash-value
cwaSeenNotifiers.clear();

3
src/cyclic.cpp
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@ -40,6 +40,9 @@ void doHousekeeping() {
ESP_LOGD(TAG, "IRQhandler %d bytes left | Taskstate = %d",
uxTaskGetStackHighWaterMark(irqHandlerTask),
eTaskGetState(irqHandlerTask));
ESP_LOGD(TAG, "MACprocessor %d bytes left | Taskstate = %d",
uxTaskGetStackHighWaterMark(macProcessTask),
eTaskGetState(macProcessTask));
#if (HAS_LORA)
ESP_LOGD(TAG, "LMiCtask %d bytes left | Taskstate = %d",
uxTaskGetStackHighWaterMark(lmicTask), eTaskGetState(lmicTask));

1
src/display.cpp
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@ -311,6 +311,7 @@ void dp_drawPage(time_t t, bool nextpage) {
dp_printf(" ");
#endif
dp_printf(" ch:%02d", channel);
// dp_printf(" due:%02d", rf_load);
dp_println();
// line 5: RSSI limiter + free memory

4
src/hal/generic.h
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@ -105,8 +105,4 @@
#define LORA_IO1 (33)
#define LORA_IO2 LMIC_UNUSED_PIN
// I2C config for Microchip 24AA02E64 DEVEUI unique address
#define MCP_24AA02E64_I2C_ADDRESS 0x50 // I2C address for the 24AA02E64
#define MCP_24AA02E64_MAC_ADDRESS 0xF8 // Memory adress of unique deveui 64 bits
#endif

42
src/lorawan.cpp
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@ -162,49 +162,7 @@ void os_getDevEui(u1_t *buf) {
} else {
gen_lora_deveui(buf); // generate DEVEUI from device's MAC
}
// Get MCP 24AA02E64 hardware DEVEUI (override default settings if found)
#ifdef MCP_24AA02E64_I2C_ADDRESS
get_hard_deveui(buf);
RevBytes(buf, 8); // swap bytes to LSB format
#endif
#endif
}
void get_hard_deveui(uint8_t *pdeveui) {
// read DEVEUI from Microchip 24AA02E64 2Kb serial eeprom if present
#ifdef MCP_24AA02E64_I2C_ADDRESS
uint8_t i2c_ret;
// Init this just in case, no more to 100KHz
Wire.begin(SDA, SCL, 100000);
Wire.beginTransmission(MCP_24AA02E64_I2C_ADDRESS);
Wire.write(MCP_24AA02E64_MAC_ADDRESS);
i2c_ret = Wire.endTransmission();
// check if device was seen on i2c bus
if (i2c_ret == 0) {
char deveui[32] = "";
uint8_t data;
Wire.beginTransmission(MCP_24AA02E64_I2C_ADDRESS);
Wire.write(MCP_24AA02E64_MAC_ADDRESS);
Wire.endTransmission();
Wire.requestFrom(MCP_24AA02E64_I2C_ADDRESS, 8);
while (Wire.available()) {
data = Wire.read();
sprintf(deveui + strlen(deveui), "%02X ", data);
*pdeveui++ = data;
}
ESP_LOGI(TAG, "Serial EEPROM found, read DEVEUI %s", deveui);
} else
ESP_LOGI(TAG, "Could not read DEVEUI from serial EEPROM");
// Set back to 400KHz to speed up OLED
Wire.setClock(400000);
#endif // MCP 24AA02E64
}
#if (VERBOSE)

166
src/macsniff.cpp
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@ -10,6 +10,9 @@
// Local logging tag
static const char TAG[] = __FILE__;
QueueHandle_t MacQueue;
TaskHandle_t macProcessTask;
uint16_t salt = 0;
uint16_t get_salt(void) {
@ -43,31 +46,106 @@ uint64_t macConvert(uint8_t *paddr) {
return (__builtin_bswap64(*mac) >> 16);
}
uint16_t mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
esp_err_t macQueueInit() {
_ASSERT(MAC_QUEUE_SIZE > 0);
MacQueue = xQueueCreate(MAC_QUEUE_SIZE, sizeof(MacBuffer_t));
if (MacQueue == 0) {
ESP_LOGE(TAG, "Could not create MAC processing queue. Aborting.");
return ESP_FAIL;
}
ESP_LOGI(TAG, "MAC processing queue created, size %d Bytes",
MAC_QUEUE_SIZE * sizeof(MacBuffer_t));
xTaskCreatePinnedToCore(mac_process, // task function
"mac_process", // name of task
2048, // stack size of task
(void *)1, // parameter of the task
1, // priority of the task
&macProcessTask, // task handle
1); // CPU core
return ESP_OK;
}
// sniffed MAC processing task
void mac_process(void *pvParameters) {
_ASSERT((uint32_t)pvParameters == 1); // FreeRTOS check
MacBuffer_t MacBuffer;
while (1) {
// fetch next or wait for incoming MAC from sniffing queue
if (xQueueReceive(MacQueue, &MacBuffer, portMAX_DELAY) != pdTRUE) {
ESP_LOGE(TAG, "Premature return from xQueueReceive() with no data!");
continue;
}
// update traffic indicator
rf_load = uxQueueMessagesWaiting(MacQueue);
// process fetched mac
mac_analyze(MacBuffer);
}
delay(2); // yield to CPU
}
// enqueue message in MAC processing queue
void IRAM_ATTR mac_add(uint8_t *paddr, int8_t rssi, snifftype_t sniff_type) {
MacBuffer_t MacBuffer;
MacBuffer.rssi = rssi;
MacBuffer.sniff_type = sniff_type;
memcpy(MacBuffer.mac, paddr, 6);
if (xQueueSendToBackFromISR(MacQueue, (void *)&MacBuffer, (TickType_t)0) !=
pdPASS)
ESP_LOGW(TAG, "Dense radio traffic, packet lost!");
}
uint16_t mac_analyze(MacBuffer_t MacBuffer) {
if (salt == 0) // ensure we have salt (appears after radio is turned on)
return 0;
uint16_t hashedmac = 0; // temporary buffer for generated hash value
if ((cfg.rssilimit) &&
(MacBuffer.rssi < cfg.rssilimit)) { // rssi is negative value
ESP_LOGI(TAG, "%s RSSI %d -> ignoring (limit: %d)",
(MacBuffer.sniff_type == MAC_SNIFF_WIFI) ? "WIFI" : "BLTH",
MacBuffer.rssi, cfg.rssilimit);
return 0;
}
// in beacon monitor mode check if seen MAC is a known beacon
if (cfg.monitormode) {
int8_t beaconID = isBeacon(macConvert(MacBuffer.mac));
if (beaconID >= 0) {
ESP_LOGI(TAG, "Beacon ID#%d detected", beaconID);
#if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
blink_LED(COLOR_WHITE, 2000);
#endif
payload.reset();
payload.addAlarm(MacBuffer.rssi, beaconID);
SendPayload(BEACONPORT, prio_high);
}
};
#if (VENDORFILTER)
uint32_t *oui; // temporary buffer for vendor OUI
oui = (uint32_t *)MacBuffer.mac;
// if we find OUI on vendor filter list we don't analyze and return early
if (std::find(vendors.begin(), vendors.end(), __builtin_bswap32(*oui) >> 8) !=
vendors.end())
return 0;
#endif
char buff[10]; // temporary buffer for printf
bool added = false;
int8_t beaconID; // beacon number in test monitor mode
uint32_t *mac; // temporary buffer for shortened MAC
// only last 3 MAC Address bytes are used for MAC address anonymization
// but since it's uint32 we take 4 bytes to avoid 1st value to be 0.
// this gets MAC in msb (= reverse) order, but doesn't matter for hashing it.
mac = (uint32_t *)(paddr + 2);
#if (VENDORFILTER)
uint32_t *oui; // temporary buffer for vendor OUI
oui = (uint32_t *)paddr;
// use OUI vendor filter list only on Wifi, not on BLE
if ((sniff_type == MAC_SNIFF_BLE) ||
std::find(vendors.begin(), vendors.end(), __builtin_bswap32(*oui) >> 8) !=
vendors.end()) {
#endif
mac = (uint32_t *)(MacBuffer.mac + 2);
// salt and hash MAC, and if new unique one, store identifier in container
// and increment counter on display
@ -76,43 +154,44 @@ uint16_t mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
snprintf(buff, sizeof(buff), "%08X",
*mac + (uint32_t)salt); // convert unsigned 32-bit salted MAC
// to 8 digit hex string
hashedmac = rokkit(&buff[3], 5); // hash MAC 8 digit -> 5 digit
uint16_t hashedmac = rokkit(&buff[3], 5); // hash MAC 8 digit -> 5 digit
auto newmac = macs.insert(hashedmac); // add hashed MAC, if new unique
added = newmac.second ? true
: false; // true if hashed MAC is unique in container
bool added =
newmac.second ? true : false; // true if hashed MAC is unique in container
// Count only if MAC was not yet seen
if (added) {
// increment counter and one blink led
if (sniff_type == MAC_SNIFF_WIFI) {
switch (MacBuffer.sniff_type) {
case MAC_SNIFF_WIFI:
macs_wifi++; // increment Wifi MACs counter
#if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
blink_LED(COLOR_GREEN, 50);
#endif
}
break;
#if (BLECOUNTER)
else if (sniff_type == MAC_SNIFF_BLE) {
case MAC_SNIFF_BLE:
macs_ble++; // increment BLE Macs counter
#if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
blink_LED(COLOR_MAGENTA, 50);
#endif
}
#endif
break;
// in beacon monitor mode check if seen MAC is a known beacon
if (cfg.monitormode) {
beaconID = isBeacon(macConvert(paddr));
if (beaconID >= 0) {
ESP_LOGI(TAG, "Beacon ID#%d detected", beaconID);
#if (COUNT_ENS)
case MAC_SNIFF_BLE_ENS:
macs_ble++; // increment BLE Macs counter
cwa_mac_add(hashedmac); // process ENS beacon
#if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
blink_LED(COLOR_WHITE, 2000);
blink_LED(COLOR_WHITE, 50);
#endif
payload.reset();
payload.addAlarm(rssi, beaconID);
SendPayload(BEACONPORT, prio_high);
}
};
break;
#endif // COUNT_ENS
#endif // BLECOUNTER
} // switch
} // added
// Log scan result
@ -124,22 +203,13 @@ uint16_t mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
#endif
"-> %d Bytes left",
added ? "new " : "known",
sniff_type == MAC_SNIFF_WIFI ? "WiFi" : "BLTH", rssi, buff,
hashedmac, macs_wifi, macs_ble,
MacBuffer.sniff_type == MAC_SNIFF_WIFI ? "WiFi" : "BLTH",
MacBuffer.rssi, buff, hashedmac, macs_wifi, macs_ble,
#if (COUNT_ENS)
cwa_report(),
#endif
getFreeRAM());
#if (VENDORFILTER)
} else {
// Very noisy
// ESP_LOGD(TAG, "Filtered MAC %02X:%02X:%02X:%02X:%02X:%02X",
// paddr[0],paddr[1],paddr[2],paddr[3],paddr[5],paddr[5]);
}
#endif
// if a new and unique Wifi or BLE mac was counted, returs hash of this mac,
// else 0
return hashedmac;
// if an unknown Wifi or BLE mac was counted, return hash of this mac, else 0
return (added ? hashedmac : 0);
}

22
src/main.cpp
View File

@ -35,9 +35,10 @@ IDLE 0 0 ESP32 arduino scheduler -> runs wifi sniffer
lmictask 1 2 MCCI LMiC LORAWAN stack
clockloop 1 4 generates realtime telegrams for external clock
timesync_proc 1 3 processes realtime time sync requests
irqhandler 1 1 cyclic tasks (i.e. displayrefresh) triggered by timers
irqhandler 1 2 cyclic tasks (i.e. displayrefresh) triggered by timers
gpsloop 1 1 reads data from GPS via serial or i2c
lorasendtask 1 1 feeds data from lora sendqueue to lmcic
macprocess 1 1 analyzes sniffed MACs
IDLE 1 0 ESP32 arduino scheduler -> runs wifi channel rotator
Low priority numbers denote low priority tasks.
@ -86,8 +87,9 @@ triggers pps 1 sec impulse
configData_t cfg; // struct holds current device configuration
char lmic_event_msg[LMIC_EVENTMSG_LEN]; // display buffer for LMIC event message
uint8_t volatile channel = 0; // channel rotation counter
uint8_t batt_level = 0; // display value
uint8_t volatile channel = 0; // channel rotation counter
uint8_t volatile rf_load = 0; // RF traffic indicator
uint16_t volatile macs_wifi = 0, macs_ble = 0; // globals for display
hw_timer_t *ppsIRQ = NULL, *displayIRQ = NULL, *matrixDisplayIRQ = NULL;
@ -285,6 +287,10 @@ void setup() {
start_ota_update();
#endif
// start mac processing task
ESP_LOGI(TAG, "Starting MAC processor...");
macQueueInit();
// start BLE scan callback if BLE function is enabled in NVRAM configuration
// or switch off bluetooth, if not compiled
#if (BLECOUNTER)
@ -490,12 +496,9 @@ void setup() {
sendTimer.attach(cfg.sendcycle * 2, setSendIRQ);
cyclicTimer.attach(HOMECYCLE, setCyclicIRQ);
#if (TIME_SYNC_INTERVAL)
#if (!(TIME_SYNC_LORAWAN) && !(TIME_SYNC_LORASERVER) && !defined HAS_GPS && \
!defined HAS_RTC)
#warning you did not specify a time source, time will not be synched
#endif
// only if we have a timesource we do timesync
#if ((TIME_SYNC_LORAWAN) || (TIME_SYNC_LORASERVER) || (HAS_GPS) || \
defined HAS_RTC)
#if (defined HAS_IF482 || defined HAS_DCF77)
ESP_LOGI(TAG, "Starting Clock Controller...");
@ -509,8 +512,9 @@ void setup() {
ESP_LOGI(TAG, "Starting Timekeeper...");
_ASSERT(timepulse_init()); // setup pps timepulse
timepulse_start(); // starts pps and cyclic time sync
strcat_P(features, " TIME");
#endif // TIME_SYNC_INTERVAL
#endif // timesync
// show compiled features
ESP_LOGI(TAG, "Features:%s", features);

10
src/paxcounter_orig.conf
View File

@ -14,10 +14,11 @@
#define PAYLOAD_ENCODER 2 // payload encoder: 1=Plain, 2=Packed, 3=Cayenne LPP dynamic, 4=Cayenne LPP packed
#define COUNTERMODE 0 // 0=cyclic, 1=cumulative, 2=cyclic confirmed
// Set this to include BLE counting and vendor filter functions, or to switch off WIFI counting
// MAC sniffing parameters
#define VENDORFILTER 0 // set to 0 if you want to scan all devices, not filtering smartphone OUIs
#define BLECOUNTER 0 // set to 0 if you do not want to install the BLE sniffer
#define WIFICOUNTER 1 // set to 0 if you do not want to install the WIFI sniffer
#define MAC_QUEUE_SIZE 50 // size of MAC processing buffer (number of MACs) [default = 50]
// BLE scan parameters
#define BLESCANTIME 0 // [seconds] scan duration, 0 means infinite [default], see note below
@ -29,10 +30,9 @@
// set to 0 if you do not want to enable this function
// for additional sensors (added by some user)
#define HAS_SENSOR_1 0 // set to 1 if you want to transmit CWA counter
#define HAS_SENSOR_2 0 // not used
#define HAS_SENSOR_3 0 // not used
#define HAS_SENSORS (HAS_SENSOR_1 || HAS_SENSOR_2 || HAS_SENSOR_3) // to simplify things
#define HAS_SENSOR_1 0 // set to 1 to enable data transfer of user sensor #1 (also used as ENS counter) [default=0]
#define HAS_SENSOR_2 0 // set to 1 to enable data transfer of user sensor #2 [default=0]
#define HAS_SENSOR_3 0 // set to 1 to enable data transfer of user sensor #3 [default=0]
/* Note: guide for setting bluetooth parameters
*

2
src/sensor.cpp
View File

@ -57,7 +57,7 @@ uint8_t *sensor_read(uint8_t sensor) {
// note: Sensor1 fields are used for ENS count, if ENS detection enabled
#if (COUNT_ENS)
if (cfg.enscount)
payload.addCount(cwa_report(), MAC_SNIFF_BLE_CWA);
payload.addCount(cwa_report(), MAC_SNIFF_BLE_ENS);
#else
buf[0] = length;
buf[1] = 0x01;

9
src/wifiscan.cpp
View File

@ -26,7 +26,7 @@ typedef struct {
uint8_t payload[0]; // network data ended with 4 bytes csum (CRC32)
} wifi_ieee80211_packet_t;
// using IRAM_:ATTR here to speed up callback function
// using IRAM_ATTR here to speed up callback function
IRAM_ATTR void wifi_sniffer_packet_handler(void *buff,
wifi_promiscuous_pkt_type_t type) {
@ -35,16 +35,13 @@ IRAM_ATTR void wifi_sniffer_packet_handler(void *buff,
(wifi_ieee80211_packet_t *)ppkt->payload;
const wifi_ieee80211_mac_hdr_t *hdr = &ipkt->hdr;
if ((cfg.rssilimit) &&
(ppkt->rx_ctrl.rssi < cfg.rssilimit)) // rssi is negative value
ESP_LOGD(TAG, "WiFi RSSI %d -> ignoring (limit: %d)", ppkt->rx_ctrl.rssi,
cfg.rssilimit);
else // count seen MAC
// process seen MAC
mac_add((uint8_t *)hdr->addr2, ppkt->rx_ctrl.rssi, MAC_SNIFF_WIFI);
}
// Software-timer driven Wifi channel rotation callback function
void switchWifiChannel(TimerHandle_t xTimer) {
// static uint8_t channel = 0; // channel rotation counter
_ASSERT(xTimer != NULL);
channel =
(channel % WIFI_CHANNEL_MAX) + 1; // rotate channel 1..WIFI_CHANNEL_MAX