WIP: GPS works

src/gps/GPS.cpp

@@ -1078,6 +1078,7 @@ void GPS::publishUpdate()
 
 int32_t GPS::runOnce()
 {
+#if !defined(SENSECAP_INDICATOR)
     if (!GPSInitFinished) {
         if (!_serial_gps || config.position.gps_mode == meshtastic_Config_PositionConfig_GpsMode_NOT_PRESENT) {
             LOG_INFO("GPS set to not-present. Skip probe");
@@ -1093,6 +1094,7 @@ int32_t GPS::runOnce()
         GPSInitFinished = true;
         publishUpdate();
     }
+#endif
 
     // Repeaters have no need for GPS
     if (config.device.role == meshtastic_Config_DeviceConfig_Role_REPEATER) {
@@ -1411,8 +1413,10 @@ GPS *GPS::createGps()
     if (!settingsMap[has_gps])
         return nullptr;
 #endif
+#if !defined(SENSECAP_INDICATOR)
     if (!_rx_gpio || !_serial_gps) // Configured to have no GPS at all
         return nullptr;
+#endif
 
     GPS *new_gps = new GPS;
     new_gps->rx_gpio = _rx_gpio;

src/mesh/IndicatorSerial.cpp

@@ -1,22 +1,23 @@
 #ifdef SENSECAP_INDICATOR
 
 #include "IndicatorSerial.h"
-#include "mesh/comms/FakeUART.h"
 #include "mesh/comms/FakeI2C.h"
+#include "mesh/comms/FakeUART.h"
 #include <HardwareSerial.h>
 #include <pb_decode.h>
 #include <pb_encode.h>
 
 SensecapIndicator *sensecapIndicator;
 
-SensecapIndicator::SensecapIndicator(HardwareSerial &serial) : OSThread("SensecapIndicator") {
+SensecapIndicator::SensecapIndicator(HardwareSerial &serial) : OSThread("SensecapIndicator")
+{
     if (!running) {
         _serial = &serial;
         _serial->setRxBufferSize(PB_BUFSIZE);
         _serial->setPins(SENSOR_RP2040_RXD, SENSOR_RP2040_TXD);
         _serial->begin(SENSOR_BAUD_RATE);
         running = true;
-        LOG_DEBUG("Start communication thread");
+        LOG_DEBUG("Start indicator communication thread");
     }
 }
 
@@ -121,6 +122,7 @@ bool SensecapIndicator::handle_packet(size_t payload_len)
     }
     switch (message.which_data) {
     case meshtastic_InterdeviceMessage_i2c_response_tag:
+        LOG_DEBUG("Got I2C response");
         if (message.data.i2c_response.status != meshtastic_I2CResponse_Status_OK) {
             LOG_DEBUG("I2C response error: %d", message.data.i2c_response.status);
             return false;

src/mesh/IndicatorSerial.h

@@ -25,7 +25,7 @@
 class SensecapIndicator : public concurrency::OSThread
 {
   public:
-    SensecapIndicator(HardwareSerial& serial);
+    SensecapIndicator(HardwareSerial &serial);
     int32_t runOnce() override;
     bool send_uplink(meshtastic_InterdeviceMessage message);
 
@@ -33,7 +33,7 @@ class SensecapIndicator : public concurrency::OSThread
     pb_byte_t pb_tx_buf[PB_BUFSIZE];
     pb_byte_t pb_rx_buf[PB_BUFSIZE];
     size_t pb_rx_size = 0; // Number of bytes currently in the buffer
-    HardwareSerial* _serial = &Serial2;
+    HardwareSerial *_serial = &Serial2;
     bool running = false;
     size_t serial_check(char *buf, size_t space_left);
     void check_packet();

src/mesh/comms/FakeUART.cpp

@@ -77,6 +77,8 @@ size_t FakeUART::write(char *buffer, size_t size)
         size = sizeof(message.data.nmea); // Truncate if buffer is too large
     }
     memcpy(message.data.nmea, buffer, size);
+    message.which_data = meshtastic_InterdeviceMessage_nmea_tag;
+    LOG_DEBUG("FakeUART::write(%s)", message.data.nmea);
     sensecapIndicator->send_uplink(message);
     return size;
 }

variants/seeed-sensecap-indicator/variant.h

@@ -44,13 +44,7 @@
 #define TOUCH_I2C_PORT 0
 #define TOUCH_SLAVE_ADDRESS 0x48
 
-// in future, we may want to add a buzzer and add all sensors to the indicator via a data protocol for now only GPS is supported
-// // Buzzer
-// #define PIN_BUZZER 19
-
 #define GPS_DEFAULT_NOT_PRESENT 1
-#define GPS_RX_PIN 20
-#define GPS_TX_PIN 19
 #define HAS_GPS 1
 
 #define USE_SX1262
@@ -78,3 +72,7 @@
 
 #define USE_VIRTUAL_KEYBOARD 1
 #define DISPLAY_CLOCK_FRAME 1
+
+// this powers the RP 2040 on boot.
+#define SENSOR_POWER_CTRL_EXPANDER (8 | IO_EXPANDER)
+#define SENSOR_POWER_ON_EXPANDER 1