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fix JOIN WAIT problem with TTN

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This commit is contained in:
Verkehrsrot 2019-10-05 23:08:13 +02:00
parent 01fb7c53b4
commit 7762170fa1
1 changed files with 9 additions and 1 deletions
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10
src/lorawan.cpp
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@ -484,6 +484,14 @@ void lmictask(void *pvParameters) {
os_init(); // initialize lmic run-time environment os_init(); // initialize lmic run-time environment
LMIC_reset(); // initialize lmic MAC LMIC_reset(); // initialize lmic MAC
// 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
#if defined(CFG_eu868)
LMIC_setDrTxpow(EU868_DR_SF9, KEEP_TXPOW);
#endif
LMIC_setLinkCheckMode(0); LMIC_setLinkCheckMode(0);
// This tells LMIC to make the receive windows bigger, in case your clock is // This tells LMIC to make the receive windows bigger, in case your clock is
@ -645,7 +653,7 @@ uint8_t getBattLevel() {
// u1_t os_getBattLevel(void) { return getBattLevel(); }; // u1_t os_getBattLevel(void) { return getBattLevel(); };
const char *getSfName(rps_t rps) { const char *getSfName(rps_t rps) {
const char *const t[] = {"FSK", "SF7", "SF8", "SF9", const char *const t[] = {"FSK", "SF7", "SF8", "SF9",
"SF10", "SF11", "SF12", "SF?"}; "SF10", "SF11", "SF12", "SF?"};
return t[getSf(rps)]; return t[getSf(rps)];
} }