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Merge pull request #2863 from benskigomez/fix/m6-gps-reset-pin

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thinknode_m6: don't drive GPS REINIT pin so the L76K is detected
This commit is contained in:
fdlamotte
2026-08-03 21:16:59 -04:00
committed by GitHub
parent 9d902e634a 5c534c4399
commit d6c2da98aa
2 changed files with 10 additions and 3 deletions
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variants/thinknode_m6/variant.cpp
+4 -2
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@@ -30,6 +30,8 @@ void initVariant() {
digitalWrite(PIN_GPS_STANDBY, HIGH);
pinMode(PIN_GPS_EN, OUTPUT);
digitalWrite(PIN_GPS_EN, HIGH);
pinMode(PIN_GPS_RESET, OUTPUT);
digitalWrite(PIN_GPS_RESET, HIGH);
// PIN_GPS_RESET (pin 29 / REINIT) is intentionally left floating (input).
// Driving it HIGH holds the L76K silent, so it never streams NMEA and the
// firmware reports "no GPS". Letting it float lets the module run, matching
// the Meshtastic M6 variant. See GPS_RESET (-1) in variant.h.
}
variants/thinknode_m6/variant.h
+6 -1
View File
@@ -102,7 +102,12 @@
#define PIN_GPS_RX (2)
#define PIN_GPS_TX (3)
#define PIN_GPS_EN (6) // EN
#define PIN_GPS_RESET (29)
#define PIN_GPS_RESET (29) // REINIT - must FLOAT; driving it (esp. HIGH) silences the L76K
// The M6's L76K streams NMEA on its own and must not have its REINIT pin driven.
// Tell the location provider there is no reset pin so it never touches pin 29
// (driving it HIGH holds the module silent). Matches Meshtastic, which leaves
// this pin as an input. See variant.cpp (pin 29 is intentionally not configured).
#define GPS_RESET (-1)
#define PIN_GPS_STANDBY (30) // STANDBY
#define PIN_GPS_PPS (31)
#define GPS_BAUD_RATE 9600