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MeshTracker X1 GPS: use RTC backup for faster fix

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This commit is contained in:
taco
2026-09-29 20:14:19 +10:00
parent 037e27833b
commit 11755c8199
1 changed files with 10 additions and 28 deletions
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variants/meshtracker_x1/target.cpp
+10 -28
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@@ -1,6 +1,7 @@
#include <Arduino.h> #include <Arduino.h>
#include "target.h" #include "target.h"
#include <helpers/sensors/MicroNMEALocationProvider.h> #include <helpers/sensors/MicroNMEALocationProvider.h>
#include <helpers/sensors/AirohaSleep.h>
MeshTrackerX1Board board; MeshTrackerX1Board board;
@@ -27,46 +28,27 @@ mesh::LocalIdentity radio_new_identity() {
void MeshTrackerX1SensorManager::start_gps() { void MeshTrackerX1SensorManager::start_gps() {
gps_active = true; gps_active = true;
// this init sequence comes from seeed examples and deals with all gps pins
pinMode(GPS_EN, OUTPUT);
digitalWrite(GPS_EN, HIGH); digitalWrite(GPS_EN, HIGH);
delay(10); delay(10);
pinMode(GPS_VRTC_EN, OUTPUT); digitalWrite(GPS_RTC_INT, HIGH);
digitalWrite(GPS_VRTC_EN, HIGH); delay(5);
delay(10);
pinMode(GPS_RESET, OUTPUT);
digitalWrite(GPS_RESET, HIGH);
delay(10);
digitalWrite(GPS_RESET, LOW);
pinMode(GPS_SLEEP_INT, OUTPUT);
digitalWrite(GPS_SLEEP_INT, HIGH);
pinMode(GPS_RTC_INT, OUTPUT);
digitalWrite(GPS_RTC_INT, LOW);
}
void MeshTrackerX1SensorManager::sleep_gps() {
gps_active = false;
digitalWrite(GPS_VRTC_EN, HIGH); // keep RTC alive for faster fix on wake
digitalWrite(GPS_EN, LOW);
digitalWrite(GPS_RESET, LOW);
digitalWrite(GPS_SLEEP_INT, HIGH);
digitalWrite(GPS_RTC_INT, LOW); digitalWrite(GPS_RTC_INT, LOW);
} }
void MeshTrackerX1SensorManager::stop_gps() { void MeshTrackerX1SensorManager::stop_gps() {
gps_active = false; gps_active = false;
digitalWrite(GPS_VRTC_EN, LOW); digitalWrite(GPS_VRTC_EN, HIGH); // keep GPS RTC alive for faster fix on wake
digitalWrite(GPS_RTC_INT, LOW); // make sure this is LOW so we can pulse it to wake
airohaEnterSleep(_nmea);
digitalWrite(GPS_EN, LOW); digitalWrite(GPS_EN, LOW);
digitalWrite(GPS_RESET, LOW);
digitalWrite(GPS_SLEEP_INT, HIGH);
digitalWrite(GPS_RTC_INT, LOW);
} }
bool MeshTrackerX1SensorManager::begin() { bool MeshTrackerX1SensorManager::begin() {
// init GPS // init GPS
Serial1.begin(GPS_BAUD_RATE); Serial1.begin(GPS_BAUD_RATE);
digitalWrite(GPS_RESET, HIGH);
delay(10);
digitalWrite(GPS_RESET, LOW);
// init SPA06-003 barometer // init SPA06-003 barometer
baro_ok = spa06.begin(SPA06_003_DEFAULT_ADDR, &Wire) || spa06.begin(0x76, &Wire); baro_ok = spa06.begin(SPA06_003_DEFAULT_ADDR, &Wire) || spa06.begin(0x76, &Wire);
@@ -122,7 +104,7 @@ const char* MeshTrackerX1SensorManager::getSettingValue(int i) const {
bool MeshTrackerX1SensorManager::setSettingValue(const char* name, const char* value) { bool MeshTrackerX1SensorManager::setSettingValue(const char* name, const char* value) {
if (strcmp(name, "gps") == 0) { if (strcmp(name, "gps") == 0) {
if (strcmp(value, "0") == 0) { if (strcmp(value, "0") == 0) {
sleep_gps(); // sleep for faster fix ! stop_gps();
} else { } else {
start_gps(); start_gps();
} }