DigitalInfinity/ESP32-PaxCounter
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reworked rtos tasking & minor core sanitizations

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This commit is contained in:
Klaus K Wilting 2018-05-21 17:48:43 +02:00
parent 61bd56860f
commit 7b8367fa4a
4 changed files with 53 additions and 68 deletions
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4
platformio.ini
View File

@ -33,8 +33,8 @@ build_flags =
; ---> NOTE: For production run set DEBUG_LEVEL level to NONE! <---
; otherwise device may crash in dense environments due to serial buffer overflow
;
-DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_NONE
; -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_INFO
; -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_NONE
-DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_INFO
; -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_VERBOSE
; -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_DEBUG
;

6
src/globals.h
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@ -44,16 +44,10 @@ typedef struct {
} configData_t;
extern configData_t cfg;
extern uint8_t mydata[];
extern uint64_t uptimecounter;
extern osjob_t sendjob;
extern char display_lora[], display_lmic[];
extern int countermode, screensaver, adrmode, lorasf, txpower, rlim;
extern uint16_t macs_total, macs_wifi, macs_ble; // MAC counters
extern bool joinstate;
extern std::set<uint16_t> macs;
extern hw_timer_t * channelSwitch; // hardware timer used for wifi channel switching
#ifdef HAS_DISPLAY
extern HAS_DISPLAY u8x8;
#endif

9
src/lorawan.cpp
View File

@ -116,9 +116,9 @@ void do_send(osjob_t* j){
goto end;
}
uint8_t mydata[4];
// prepare payload with sum of unique WIFI MACs seen
static uint8_t mydata[4];
mydata[0] = (macs_wifi & 0xff00) >> 8;
mydata[1] = macs_wifi & 0xff;
@ -169,13 +169,12 @@ void onEvent (ev_t ev) {
case EV_JOINED:
joinstate=true;
strcpy_P(buff, PSTR("JOINED"));
sprintf(display_lora, ""); // clear previous lmic status message from display
// Disable link check validation (automatically enabled
// during join, but not supported by TTN at this time).
// LMIC_setLinkCheckMode(0); -> do we need this?
// during join, but not supported by TTN at this time). -> do we need this?
LMIC_setLinkCheckMode(0);
// set data rate adaptation
LMIC_setAdrMode(cfg.adrmode);

100
src/main.cpp
View File

@ -39,7 +39,7 @@ Refer to LICENSE.txt file in repository for more details.
// Initialize global variables
configData_t cfg; // struct holds current device configuration
osjob_t sendjob, initjob; // LMIC jobs
osjob_t sendjob; // LMIC job handler
uint64_t uptimecounter = 0; // timer global for uptime counter
uint8_t DisplayState = 0; // globals for state machine
uint16_t macs_total = 0, macs_wifi = 0, macs_ble = 0; // MAC counters globals for display
@ -50,8 +50,6 @@ led_states previousLEDState = LED_ON; // This will force LED to be off at boo
unsigned long LEDBlinkStarted = 0; // When (in millis() led blink started)
uint16_t LEDBlinkDuration = 0; // How long the blink need to be
uint16_t LEDColor = COLOR_NONE; // state machine variable to set RGB LED color
bool joinstate = false; // LoRa network joined? global flag
bool blinkdone = true; // flag for state machine for blinking LED once
hw_timer_t * displaytimer = NULL; // configure hardware timer used for cyclic display refresh
hw_timer_t * channelSwitch = NULL; // configure hardware timer used for wifi channel switching
@ -128,34 +126,20 @@ const lmic_pinmap lmic_pins = {
.dio = {DIO0, DIO1, DIO2}
};
// LoRaWAN Initjob
static void lora_init (osjob_t* j) {
// reset MAC state
LMIC_reset();
// This tells LMIC to make the receive windows bigger, in case your clock is 1% faster or slower.
LMIC_setClockError(MAX_CLOCK_ERROR * 1 / 100);
// start joining -> will happen automatically after first do_send job
// LMIC_startJoining();
// lmic init done - onEvent() callback will be invoked when events occur
}
// LMIC FreeRTos Task
void lorawan_loop(void * pvParameters) {
configASSERT( ( ( uint32_t ) pvParameters ) == 1 ); // FreeRTOS check
static uint16_t lorawait = 0;
//static uint16_t lorawait = 0;
while(1) {
// execute LMIC jobs
os_runloop_once();
// indicate LMIC state on LEDs if present
#if (HAS_LED != NOT_A_PIN) || defined (HAS_RGB_LED)
led_loop();
#endif
/*
/*
// check if payload is sent
while(LMIC.opmode & OP_TXRXPEND) {
if(!lorawait)
@ -169,13 +153,14 @@ void lorawan_loop(void * pvParameters) {
};
vTaskDelay(1000/portTICK_PERIOD_MS);
}
*/
*/
vTaskDelay(10/portTICK_PERIOD_MS); // reset watchdog
}
}
/* end LMIC specific parts --------------------------------------------------------------- */
/* end LMIC specific parts --------------------------------------------------------------- */
/* beginn hardware specific parts -------------------------------------------------------- */
@ -384,6 +369,7 @@ uint64_t uptime() {
#endif
#if (HAS_LED != NOT_A_PIN) || defined (HAS_RGB_LED)
void blink_LED(uint16_t set_color, uint16_t set_blinkduration) {
LEDColor = set_color; // set color for RGB LED
LEDBlinkDuration = set_blinkduration; // duration
@ -457,7 +443,6 @@ uint64_t uptime() {
#endif
/* begin Aruino SETUP ------------------------------------------------------------ */
void setup() {
@ -575,10 +560,16 @@ ESP_LOGI(TAG, "Features %s", features);
printKeys();
#endif
os_init(); // initialize lmic run-time environment
os_setCallback(&initjob, lora_init); // setup initial job & join LoRaWAN network
// initialize LoRaWAN LMIC run-time environment
os_init();
// reset LMIC MAC state
LMIC_reset();
// This tells LMIC to make the receive windows bigger, in case your clock is 1% faster or slower.
LMIC_setClockError(MAX_CLOCK_ERROR * 1 / 100);
// start lmic runloop in rtos task on core 1 (note: arduino main loop runs on core 1, too)
// https://techtutorialsx.com/2017/05/09/esp32-get-task-execution-core/
// start lmic runloop in rtos task on core 1 (arduino main loop runs on core 1)
ESP_LOGI(TAG, "Starting Lora task on core 1");
xTaskCreatePinnedToCore(lorawan_loop, "loratask", 2048, ( void * ) 1, ( 5 | portPRIVILEGE_BIT ), NULL, 1);
@ -597,46 +588,47 @@ xTaskCreatePinnedToCore(sniffer_loop, "wifisniffer", 2048, ( void * ) 1, 1, NULL
}
#endif
// kickoff first sendjob -> joins network and transmits initial payload "0000"
uint8_t mydata[] = "0000";
// kickoff sendjob -> joins network and rescedules sendjob for cyclic transmitting payload
do_send(&sendjob);
}
/* end Aruino SETUP ------------------------------------------------------------ */
/* end Arduino SETUP ------------------------------------------------------------ */
/* begin Arduino main loop ------------------------------------------------------ */
/* begin Aruino LOOP ------------------------------------------------------------ */
// Arduino main moop, runs on core 1
// https://techtutorialsx.com/2017/05/09/esp32-get-task-execution-core/
void loop() {
// simple state machine for controlling display, LED, button, etc.
uptimecounter = uptime() / 1000; // counts uptime in seconds (64bit)
while (1) {
#if (HAS_LED != NOT_A_PIN) || defined (HAS_RGB_LED)
led_loop();
#endif
// simple state machine for controlling uptime, display, LED, button, memory.
#ifdef HAS_BUTTON
readButton();
#endif
uptimecounter = uptime() / 1000; // counts uptime in seconds (64bit)
#ifdef HAS_DISPLAY
updateDisplay();
#endif
#if (HAS_LED != NOT_A_PIN) || defined (HAS_RGB_LED)
led_loop();
#endif
// check free memory
if (esp_get_minimum_free_heap_size() <= MEM_LOW) {
ESP_LOGI(TAG, "Memory full, counter cleared (heap low water mark = %d Bytes / free heap = %d bytes)", \
esp_get_minimum_free_heap_size(), ESP.getFreeHeap());
do_send(&sendjob); // send count
reset_counters(); // clear macs container and reset all counters
reset_salt(); // get new salt for salting hashes
}
#ifdef HAS_BUTTON
readButton();
#endif
vTaskDelay(10/portTICK_PERIOD_MS); // reset watchdog
#ifdef HAS_DISPLAY
updateDisplay();
#endif
}
// check free memory
if (esp_get_minimum_free_heap_size() <= MEM_LOW) {
ESP_LOGI(TAG, "Memory full, counter cleared (heap low water mark = %d Bytes / free heap = %d bytes)", \
esp_get_minimum_free_heap_size(), ESP.getFreeHeap());
do_send(&sendjob); // send count
reset_counters(); // clear macs container and reset all counters
reset_salt(); // get new salt for salting hashes
}
/* end Aruino LOOP ------------------------------------------------------------ */
vTaskDelay(10/portTICK_PERIOD_MS); // reset watchdog
} // end of infinite main loop
}
/* end Arduino main loop ------------------------------------------------------------ */