DigitalInfinity/ESP32-PaxCounter
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LMIC timings changed to avoid JOIN WAIT issue

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This commit is contained in:
Verkehrsrot 2019-10-06 18:48:46 +02:00
parent 27b3e88c3c
commit c58971a2c6
3 changed files with 6 additions and 18 deletions
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4
src/lmic_config.h
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@ -18,7 +18,7 @@
// use interrupts only if LORA_IRQ and LORA_DIO are connected to interrupt
// capable GPIO pins on your board, if not disable interrupts
#define LMIC_USE_INTERRUPTS 1
//#define LMIC_USE_INTERRUPTS 1
// time sync via LoRaWAN network, note: not supported by TTNv2
// #define LMIC_ENABLE_DeviceTimeReq 1
@ -28,7 +28,7 @@
// so consuming more power. You may sharpen (reduce) this value if you are
// limited on battery.
// ATTN: VALUES > 7 WILL CAUSE RECEPTION AND JOIN PROBLEMS WITH HIGH SF RATES
//#define CLOCK_ERROR_PROCENTAGE 7
#define CLOCK_ERROR_PROCENTAGE 7
// Set this to 1 to enable some basic debug output (using printf) about
// RF settings used during transmission and reception. Set to 2 to

16
src/lorawan.cpp
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@ -485,19 +485,8 @@ void lmictask(void *pvParameters) {
os_init(); // initialize lmic run-time environment
LMIC_reset(); // initialize lmic MAC
#if defined(CFG_eu868)
// Note that The Things Network uses the non-standard SF9BW125 data rate for
// RX2 in Europe and switches between RX1 and RX2 based on network congestion.
// Thus, to avoid occasionally join failures, we set datarate to SF9 and
// bypass the LORAWAN spec-compliant RX2 == SF12 setting
LMIC_setDrTxpow(EU868_DR_SF9, KEEP_TXPOW);
#else
// Set the data rate to Spreading Factor 7. This is the fastest supported
// rate for 125 kHz channels, and it minimizes air time and battery power.
// Set the transmission power to 14 dBi (25 mW).
LMIC_setDrTxpow(DR_SF7, 14);
#endif
// pre-join settings
LMIC_setDrTxpow(assertDR(LORADRDEFAULT), LORATXPOWDEFAULT);
LMIC_setLinkCheckMode(0);
// This tells LMIC to make the receive windows bigger, in case your clock is
@ -508,7 +497,6 @@ void lmictask(void *pvParameters) {
LMIC_setClockError(MAX_CLOCK_ERROR * CLOCK_ERROR_PROCENTAGE / 100);
#endif
//#if defined(CFG_US915) || defined(CFG_au921)
#if CFG_LMIC_US_like
// in the US, with TTN, it saves join time if we start on subband 1
// (channels 8-15). This will get overridden after the join by parameters

4
src/paxcounter.conf
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@ -47,8 +47,8 @@
#define MEM_LOW 2048 // [Bytes] low memory threshold triggering a send cycle
#define RETRANSMIT_RCMD 5 // [seconds] wait time before retransmitting rcommand results
#define PAYLOAD_BUFFER_SIZE 51 // maximum size of payload block per transmit
#define LORADRDEFAULT 5 // 0 .. 15, LoRaWAN datarate, according to regional LoRaWAN specs [default = 5]
#define LORATXPOWDEFAULT 7 // 0 .. 255, LoRaWAN TX power in dBm [default = 14]
#define LORADRDEFAULT 3 // 0 .. 15, LoRaWAN datarate, according to regional LoRaWAN specs [use 3 for TTN in EU]
#define LORATXPOWDEFAULT 14 // 0 .. 255, LoRaWAN TX power in dBm [default = 14]
#define MAXLORARETRY 500 // maximum count of TX retries if LoRa busy
#define SEND_QUEUE_SIZE 10 // maximum number of messages in payload send queue [1 = no queue]