Improved GPS Settings app and GPS service (#222)

- Fixes and improvements to `GpsSettings` app, `GpsDevice` and `GpsService` - Implemented location/GPS statusbar icon - Added app icon - Added support for other GPS models (based on Meshtastic code)
2025-02-18 22:07:37 +01:00
parent ad2cad3bf1
commit 5055fa7822
30 changed files with 2130 additions and 384 deletions
@@ -0,0 +1,68 @@
+/**
+ * Source: https://raw.githubusercontent.com/meshtastic/firmware/3b0232de1b6282eacfbff6e50b68fca7e67b8511/src/gps/cas.h
+ */
+#pragma once
+
+#include <cstdint>
+
+// CASIC binary message definitions
+// Reference: https://www.icofchina.com/d/file/xiazai/2020-09-22/20f1b42b3a11ac52089caf3603b43fb5.pdf
+// ATGM33H-5N: https://www.icofchina.com/pro/mokuai/2016-08-01/4.html
+// (https://www.icofchina.com/d/file/xiazai/2016-12-05/b5c57074f4b1fcc62ba8c7868548d18a.pdf)
+
+// NEMA (Class ID - 0x4e) message IDs
+#define CAS_NEMA_GGA 0x00
+#define CAS_NEMA_GLL 0x01
+#define CAS_NEMA_GSA 0x02
+#define CAS_NEMA_GSV 0x03
+#define CAS_NEMA_RMC 0x04
+#define CAS_NEMA_VTG 0x05
+#define CAS_NEMA_GST 0x07
+#define CAS_NEMA_ZDA 0x08
+#define CAS_NEMA_DHV 0x0D
+
+// Size of a CAS-ACK-(N)ACK message (14 bytes)
+#define CAS_ACK_NACK_MSG_SIZE 0x0E
+
+// CFG-RST (0x06, 0x02)
+// Factory reset
+constexpr uint8_t _message_CAS_CFG_RST_FACTORY[] = {
+    0xFF, 0x03, // Fields to clear
+    0x01,       // Reset Mode: Controlled Software reset
+    0x03        // Startup Mode: Factory
+};
+
+// CFG_RATE (0x06, 0x01)
+// 1HZ update rate, this should always be the case after
+// factory reset but update it regardless
+constexpr uint8_t _message_CAS_CFG_RATE_1HZ[] = {
+    0xE8, 0x03, // Update Rate: 0x03E8 = 1000ms
+    0x00, 0x00  // Reserved
+};
+
+// CFG-NAVX (0x06, 0x07)
+// Initial ATGM33H-5N configuration, Updates for Dynamic Mode, Fix Mode, and SV system
+// Qwirk: The ATGM33H-5N-31 should only support GPS+BDS, however it will happily enable
+//  and use GPS+BDS+GLONASS iff the correct CFG_NAVX command is used.
+constexpr uint8_t _message_CAS_CFG_NAVX_CONF[] = {
+    0x03, 0x01, 0x00, 0x00, // Update Mask: Dynamic Mode, Fix Mode, Nav Settings
+    0x03,                   // Dynamic Mode: Automotive
+    0x03,                   // Fix Mode: Auto 2D/3D
+    0x00,                   // Min SV
+    0x00,                   // Max SVs
+    0x00,                   // Min CNO
+    0x00,                   // Reserved1
+    0x00,                   // Init 3D fix
+    0x00,                   // Min Elevation
+    0x00,                   // Dr Limit
+    0x07,                   // Nav System: 2^0 = GPS, 2^1 = BDS 2^2 = GLONASS: 2^3
+    // 3=GPS+BDS, 7=GPS+BDS+GLONASS
+    0x00, 0x00,             // Rollover Week
+    0x00, 0x00, 0x00, 0x00, // Fix Altitude
+    0x00, 0x00, 0x00, 0x00, // Fix Height Error
+    0x00, 0x00, 0x00, 0x00, // PDOP Maximum
+    0x00, 0x00, 0x00, 0x00, // TDOP Maximum
+    0x00, 0x00, 0x00, 0x00, // Position Accuracy Max
+    0x00, 0x00, 0x00, 0x00, // Time Accuracy Max
+    0x00, 0x00, 0x00, 0x00  // Static Hold Threshold
+};