commit
f38c4024a7
@ -26,7 +26,7 @@ description = Paxcounter is a proof-of-concept ESP32 device for metering passeng
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[common]
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; for release_version use max. 10 chars total, use any decimal format like "a.b.c"
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release_version = 1.5.8
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release_version = 1.5.9
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; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
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; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
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debug_level = 0
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@ -7,15 +7,15 @@
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static const char TAG[] = "main";
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void IRAM_ATTR ButtonIRQ() {
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portENTER_CRITICAL(&timerMux);
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portENTER_CRITICAL(&mutexButton);
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ButtonPressedIRQ++;
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portEXIT_CRITICAL(&timerMux);
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portEXIT_CRITICAL(&mutexButton);
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}
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void readButton() {
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portENTER_CRITICAL(&timerMux);
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portENTER_CRITICAL(&mutexButton);
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ButtonPressedIRQ = 0;
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portEXIT_CRITICAL(&timerMux);
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portEXIT_CRITICAL(&mutexButton);
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ESP_LOGI(TAG, "Button pressed");
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payload.reset();
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payload.addButton(0x01);
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@ -12,9 +12,9 @@ static const char TAG[] = "main";
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// do all housekeeping
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void doHousekeeping() {
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portENTER_CRITICAL(&timerMux);
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portENTER_CRITICAL(&mutexHomeCycle);
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HomeCycleIRQ = 0;
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portEXIT_CRITICAL(&timerMux);
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portEXIT_CRITICAL(&mutexHomeCycle);
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// update uptime counter
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uptime();
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@ -69,9 +69,9 @@ void doHousekeeping() {
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} // doHousekeeping()
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void IRAM_ATTR homeCycleIRQ() {
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portENTER_CRITICAL(&timerMux);
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portENTER_CRITICAL(&mutexHomeCycle);
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HomeCycleIRQ++;
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portEXIT_CRITICAL(&timerMux);
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portEXIT_CRITICAL(&mutexHomeCycle);
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}
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// uptime counter 64bit to prevent millis() rollover after 49 days
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@ -2,7 +2,7 @@
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#define _CYCLIC_H
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void doHousekeeping(void);
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void homeCycleIRQ(void);
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void IRAM_ATTR homeCycleIRQ(void);
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uint64_t uptime(void);
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void reset_counters(void);
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int redirect_log(const char *fmt, va_list args);
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@ -91,9 +91,9 @@ void init_display(const char *Productname, const char *Version) {
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void refreshtheDisplay() {
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portENTER_CRITICAL(&timerMux);
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portENTER_CRITICAL(&mutexDisplay);
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DisplayTimerIRQ = 0;
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portEXIT_CRITICAL(&timerMux);
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portEXIT_CRITICAL(&mutexDisplay);
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// set display on/off according to current device configuration
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if (DisplayState != cfg.screenon) {
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@ -191,9 +191,9 @@ void refreshtheDisplay() {
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} // refreshDisplay()
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void IRAM_ATTR DisplayIRQ() {
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portENTER_CRITICAL_ISR(&timerMux);
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portENTER_CRITICAL_ISR(&mutexDisplay);
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DisplayTimerIRQ++;
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portEXIT_CRITICAL_ISR(&timerMux);
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portEXIT_CRITICAL_ISR(&mutexDisplay);
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}
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#endif // HAS_DISPLAY
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@ -9,6 +9,6 @@ extern HAS_DISPLAY u8x8;
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void init_display(const char *Productname, const char *Version);
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void refreshtheDisplay(void);
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void DisplayKey(const uint8_t *key, uint8_t len, bool lsb);
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void DisplayIRQ(void);
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void IRAM_ATTR DisplayIRQ(void);
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#endif
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@ -46,7 +46,7 @@ extern uint16_t volatile macs_total, macs_wifi, macs_ble,
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batt_voltage; // display values
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extern std::set<uint16_t> macs; // temp storage for MACs
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extern hw_timer_t *channelSwitch, *sendCycle;
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extern portMUX_TYPE timerMux;
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extern portMUX_TYPE mutexButton, mutexDisplay, mutexHomeCycle, mutexSendCycle;
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extern volatile uint8_t SendCycleTimerIRQ, HomeCycleIRQ, DisplayTimerIRQ,
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ChannelTimerIRQ, ButtonPressedIRQ;
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@ -9,9 +9,9 @@
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#define HAS_LED NOT_A_PIN // no usable LED on board
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#define HAS_DISPLAY U8X8_SSD1306_128X64_NONAME_HW_I2C
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#define DISPLAY_FLIP 1 // rotated display
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#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // uses GPIO7
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#define BATT_FACTOR 2 // voltage divider 100k/100k on board
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//#define DISPLAY_FLIP 1 // rotated display
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//#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // uses GPIO7
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//#define BATT_FACTOR 2 // voltage divider 100k/100k on board
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// re-define pin definitions of pins_arduino.h
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#define PIN_SPI_SS GPIO_NUM_18 // ESP32 GPIO18 (Pin18) -- HPD13A NSS/SEL (Pin4) SPI Chip Select Input
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@ -34,9 +34,9 @@
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* SOFTWARE.
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*/
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#include <inttypes.h>
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#include "hash.h"
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uint32_t rokkit(const char *data, int len) {
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uint32_t IRAM_ATTR rokkit(const char *data, int len) {
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uint32_t hash, tmp;
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int rem;
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@ -1,6 +1,9 @@
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#ifndef _HASH_H
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#define _HASH_H
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uint32_t rokkit(const char *data, int len);
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#include <Arduino.h>
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#include <inttypes.h>
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#endif
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uint32_t IRAM_ATTR rokkit(const char *data, int len);
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#endif
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22
src/main.cpp
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src/main.cpp
@ -26,12 +26,12 @@ licenses. Refer to LICENSE.txt file in repository for more details.
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Uused tasks and timers:
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Task Core Prio Purpose
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====================================================================
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IDLE 0 0 ESP32 arduino scheduler
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====================================================================================
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IDLE 0 0 ESP32 arduino scheduler -> runs wifi sniffer task
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gpsloop 0 2 read data from GPS over serial or i2c
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IDLE 1 0 Arduino loop() -> used for LED switching
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loraloop 1 1 runs the LMIC stack
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statemachine 1 3 switches application process logic
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loraloop 1 3 runs the LMIC stack
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statemachine 1 1 switches application process logic
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wifiloop 0 4 rotates wifi channels
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ESP32 hardware timers
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@ -77,9 +77,11 @@ QueueHandle_t SPISendQueue;
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TaskHandle_t GpsTask = NULL;
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#endif
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portMUX_TYPE timerMux =
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portMUX_INITIALIZER_UNLOCKED; // sync main loop and ISR when modifying IRQ
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// handler shared variables
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// sync main loop and ISR when modifying IRQ handler shared variables
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portMUX_TYPE mutexButton = portMUX_INITIALIZER_UNLOCKED;
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portMUX_TYPE mutexDisplay = portMUX_INITIALIZER_UNLOCKED;
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portMUX_TYPE mutexHomeCycle = portMUX_INITIALIZER_UNLOCKED;
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portMUX_TYPE mutexSendCycle = portMUX_INITIALIZER_UNLOCKED;
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std::set<uint16_t> macs; // container holding unique MAC adress hashes
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@ -312,7 +314,7 @@ void setup() {
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"loraloop", /* name of task */
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2560, /* stack size of task */
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(void *)1, /* parameter of the task */
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1, /* priority of the task */
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3, /* priority of the task */
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&LoraTask, /* task handle*/
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1); /* CPU core */
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#endif
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@ -350,7 +352,7 @@ void setup() {
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// start wifi channel rotation task
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xTaskCreatePinnedToCore(switchWifiChannel, /* task function */
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"wifiloop", /* name of task */
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1024, /* stack size of task */
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1536, /* stack size of task */
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NULL, /* parameter of the task */
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4, /* priority of the task */
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&wifiSwitchTask, /* task handle*/
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@ -362,7 +364,7 @@ void setup() {
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"stateloop", /* name of task */
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2048, /* stack size of task */
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(void *)1, /* parameter of the task */
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3, /* priority of the task */
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1, /* priority of the task */
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&stateMachineTask, /* task handle */
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1); /* CPU core */
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@ -314,7 +314,8 @@ void do_ota_update() {
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client.stop();
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} // do_ota_update
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void display(const uint8_t row, const std::string status, const std::string msg) {
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void display(const uint8_t row, const std::string status,
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const std::string msg) {
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#ifdef HAS_DISPLAY
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u8x8.setCursor(14, row);
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u8x8.print((status.substr(0, 2)).c_str());
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@ -323,15 +324,17 @@ void display(const uint8_t row, const std::string status, const std::string msg)
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u8x8.setCursor(0, 7);
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u8x8.print(msg.substr(0, 16).c_str());
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}
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#endif
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}
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#ifdef HAS_DISPLAY
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// callback function to show download progress while streaming data
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void show_progress(size_t current, size_t size) {
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char buf[17];
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snprintf(buf, 17, "%-9lu (%3lu%%)", current, current * 100 / size);
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display(4, "**", buf);
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#endif
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}
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#endif
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// helper function to compare two versions. Returns 1 if v2 is
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// smaller, -1 if v1 is smaller, 0 if equal
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@ -14,8 +14,11 @@
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void do_ota_update();
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void start_ota_update();
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int version_compare(const String v1, const String v2);
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void display(const uint8_t row, const std::string status,
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const std::string msg);
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#ifdef HAS_DISPLAY
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void show_progress(size_t current, size_t size);
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void display(const uint8_t row, const std::string status, const std::string msg);
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#endif
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#endif // USE_OTA
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@ -37,9 +37,9 @@ void SendData(uint8_t port) {
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// interrupt triggered function to prepare payload to send
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void sendPayload() {
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portENTER_CRITICAL(&timerMux);
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portENTER_CRITICAL(&mutexSendCycle);
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SendCycleTimerIRQ = 0;
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portEXIT_CRITICAL(&timerMux);
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portEXIT_CRITICAL(&mutexSendCycle);
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// append counter data to payload
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payload.reset();
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@ -68,9 +68,9 @@ void sendPayload() {
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// interrupt handler used for payload send cycle timer
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void IRAM_ATTR SendCycleIRQ() {
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portENTER_CRITICAL(&timerMux);
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portENTER_CRITICAL(&mutexSendCycle);
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SendCycleTimerIRQ++;
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portEXIT_CRITICAL(&timerMux);
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portEXIT_CRITICAL(&mutexSendCycle);
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}
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// interrupt triggered function to eat data from send queues and transmit it
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@ -3,7 +3,7 @@
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void SendData(uint8_t port);
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void sendPayload(void);
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void SendCycleIRQ(void);
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void IRAM_ATTR SendCycleIRQ(void);
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void checkSendQueues(void);
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void flushQueues();
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@ -31,4 +31,5 @@ void stateMachine(void *pvParameters) {
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// give yield to CPU
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vTaskDelay(2 / portTICK_PERIOD_MS);
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}
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vTaskDelete(NULL); // shoud never be reached
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}
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@ -27,9 +27,11 @@ IRAM_ATTR void wifi_sniffer_packet_handler(void *buff,
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void wifi_sniffer_init(void) {
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wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
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cfg.nvs_enable = 0; // we don't need any wifi settings from NVRAM
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cfg.nvs_enable = 0; // we don't need any wifi settings from NVRAM
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cfg.wifi_task_core_id = 0; // we want wifi task running on core 0
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wifi_promiscuous_filter_t filter = {
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.filter_mask = WIFI_PROMIS_FILTER_MASK_MGMT}; // we need only MGMT frames
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// .filter_mask = WIFI_PROMIS_FILTER_MASK_MGMT}; // only MGMT frames
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.filter_mask = WIFI_PROMIS_FILTER_MASK_ALL}; // we use all frames
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// esp_event_loop_init(NULL, NULL);
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// ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL));
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@ -55,14 +57,15 @@ void ChannelSwitchIRQ() {
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}
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// Wifi channel rotation task
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void switchWifiChannel(void * parameter) {
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void switchWifiChannel(void *parameter) {
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while (1) {
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// task is remaining in block state waiting for channel switch timer interrupt event
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// task is remaining in block state waiting for channel switch timer
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// interrupt event
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xSemaphoreTake(xWifiChannelSwitchSemaphore, portMAX_DELAY);
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// rotates variable channel 1..WIFI_CHANNEL_MAX
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channel = (channel % WIFI_CHANNEL_MAX) + 1;
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esp_wifi_set_channel(channel, WIFI_SECOND_CHAN_NONE);
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ESP_LOGD(TAG, "Wifi set channel %d", channel);
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}
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vTaskDelete(NULL);
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vTaskDelete(NULL); // shoud never be reached
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}
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@ -26,7 +26,7 @@ typedef struct {
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} wifi_ieee80211_packet_t;
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void wifi_sniffer_init(void);
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void wifi_sniffer_packet_handler(void *buff, wifi_promiscuous_pkt_type_t type);
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void IRAM_ATTR wifi_sniffer_packet_handler(void *buff, wifi_promiscuous_pkt_type_t type);
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void ChannelSwitchIRQ(void);
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void switchWifiChannel(void * parameter);
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Block a user