allow heltec boards to boot without i2c when jtag debugging

TODO.md

@@ -1,8 +1,7 @@
 # High priority
 
-* implement new ble characteristics
-* have MeshService keep a node DB by sniffing user messages
-* figure out why protobuf reads of Owner fail - possibly related to having the wrong number of chracterstics exported over bluetooth
+* implement regen user and radio prefs
+* figure out why protobuf reads of Owner fail - debug with jtag
 * have meshservice send location data on mesh (if device has a GPS)
 * implement getCurrentTime() - set based off gps but then updated locally
 * confirm second device receives that gps message and updates device db
@@ -64,4 +63,6 @@ until the phone pulls those packets.  Ever so often power on bluetooth just so w
 * make message receive from radio go through to android
 * test loopback tx/rx path code without using radio
 * notify phone when rx packets arrive, currently the phone polls at startup only
-* figure out if we can use PA_BOOST - yes, it seems to be on both boards
+* figure out if we can use PA_BOOST - yes, it seems to be on both boards
+* implement new ble characteristics
+* have MeshService keep a node DB by sniffing user messages

platformio.ini

@@ -24,12 +24,12 @@ build_flags = -Wall -Wextra -Wno-missing-field-initializers -ggdb -O3 -Wl,-Map,.
 ; -DLOG_LOCAL_LEVEL=ESP_LOG_DEBUG -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_DEBUG
 
 upload_speed = 921600
-upload_port = /dev/ttyUSB0
+;upload_port = /dev/ttyUSB1
 
 ; the default is esptool
 ; upload_protocol = esp-prog
 
-; monitor_port = /dev/ttyUSB0
+;monitor_port = /dev/ttyUSB1
 monitor_speed = 115200
 
 # debug_tool = esp-prog
@@ -46,4 +46,5 @@ lib_deps =
   TinyGPSPlus
   ESP8266_SSD1306
   AXP202X_Library
-  SPI
+  SPI
+  Wire ; explicitly needed here because the AXP202 library forgets to add it

src/MeshBluetoothService.cpp

@@ -122,7 +122,6 @@ static ProtobufCharacteristic
     meshMyNodeCharacteristic("ea9f3f82-8dc4-4733-9452-1f6da28892a2", BLECharacteristic::PROPERTY_READ, MyNodeInfo_fields, &myNodeInfo);
 
 static OwnerCharacteristic meshOwnerCharacteristic;
-
 static RadioCharacteristic meshRadioCharacteristic;
 
 /**
@@ -170,7 +169,7 @@ class BluetoothMeshCallbacks : public BLECharacteristicCallbacks
         }
         else
         {
-            assert(0); // fixme not yet implemented
+            // we are uninterested in the other reads
         }
     }
 
@@ -185,7 +184,7 @@ class BluetoothMeshCallbacks : public BLECharacteristicCallbacks
         }
         else
         {
-            assert(0); // Not yet implemented
+            // we are uninterested in the other writes
         }
     }
 };
@@ -250,8 +249,8 @@ A variable keepAllPackets, if set to true will suppress this behavior and instea
  */
 BLEService *createMeshBluetoothService(BLEServer *server)
 {
-    // Create the BLE Service
-    BLEService *service = server->createService("6ba1b218-15a8-461f-9fa8-5dcae273eafd");
+    // Create the BLE Service, we need more than the default of 15 handles
+    BLEService *service = server->createService(BLEUUID("6ba1b218-15a8-461f-9fa8-5dcae273eafd"), 25, 0);
 
     addWithDesc(service, &meshFromRadioCharacteristic, "fromRadio");
     addWithDesc(service, &meshToRadioCharacteristic, "toRadio");
@@ -271,5 +270,8 @@ BLEService *createMeshBluetoothService(BLEServer *server)
     service->start();
     server->getAdvertising()->addServiceUUID(service->getUUID());
 
+    Serial.println("*** Mesh service:");
+    service->dump();
+
     return service;
 }

src/configuration.h

@@ -37,7 +37,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // -----------------------------------------------------------------------------
 
 // Select which T-Beam board is being used. Only uncomment one.
-// #define T_BEAM_V10  // AKA Rev1 (second board released)
+//#define T_BEAM_V10  // AKA Rev1 (second board released)
 #define HELTEC_LORA32
 
 // If we are using the JTAG port for debugging, some pins must be left free for that (and things like GPS have to be disabled)
@@ -115,8 +115,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #elif defined(HELTEC_LORA32)
 #define HW_VENDOR       "Heltec"
 
+#ifndef USE_JTAG // gpio15 is TDO for JTAG, so no I2C on this board while doing jtag
 #define I2C_SDA         4
 #define I2C_SCL         15
+#endif
 
 #define RESET_OLED      16
 

src/main.ino

@@ -83,7 +83,7 @@ void doDeepSleep(uint64_t msecToWake)
 
     // No need to turn this off if the power draw in sleep mode really is just 0.2uA and turning it off would
     // leave floating input for the IRQ line
-    
+
     // If we want to leave the radio receving in would be 11.5mA current draw, but most of the time it is just waiting
     // in its sequencer (true?) so the average power draw should be much lower even if we were listinging for packets
     // all the time.
@@ -107,16 +107,19 @@ void doDeepSleep(uint64_t msecToWake)
 
   Note: we don't isolate pins that are used for the LORA, LED, i2c, spi or the wake button
   */
-  static const uint8_t rtcGpios[] = { /* 0, */ 2, 
-    /* 4, */ 12,13, /* 14, */ /* 15, */
-    /* 25, */ 26, /* 27, */
-    32,33,34,35,36,37,/* 38, */ 39 };
+  static const uint8_t rtcGpios[] = {/* 0, */ 2,
+  /* 4, */
+#ifndef USE_JTAG
+                                     12, 13, /* 14, */ /* 15, */
+#endif
+                                     /* 25, */ 26, /* 27, */
+                                     32, 33, 34, 35, 36, 37, /* 38, */ 39};
 
-  for(int i = 0; i < sizeof(rtcGpios); i++)
-    rtc_gpio_isolate((gpio_num_t) rtcGpios[i]);
+  for (int i = 0; i < sizeof(rtcGpios); i++)
+    rtc_gpio_isolate((gpio_num_t)rtcGpios[i]);
 
-    // FIXME, disable internal rtc pullups/pulldowns on the non isolated pins. for inputs that we aren't using
-    // to detect wake and in normal operation the external part drives them hard.
+  // FIXME, disable internal rtc pullups/pulldowns on the non isolated pins. for inputs that we aren't using
+  // to detect wake and in normal operation the external part drives them hard.
 
   // FIXME - use an external 10k pulldown so we can leave the RTC peripherals powered off
   // until then we need the following lines
@@ -252,7 +255,7 @@ void axp192Init()
     Serial.printf("Exten: %s\n", axp.isExtenEnable() ? "ENABLE" : "DISABLE");
 
     axp.debugCharging();
-    
+
     pinMode(PMU_IRQ, INPUT_PULLUP);
     attachInterrupt(PMU_IRQ, [] {
       pmu_irq = true;
@@ -291,7 +294,6 @@ void initDeepSleep()
   Serial.printf("booted, wake cause %d (boot count %d)\n", wakeCause, bootCount);
 }
 
-
 const char *getDeviceName()
 {
   uint8_t dmac[6];
@@ -299,11 +301,10 @@ const char *getDeviceName()
 
   // Meshtastic_ab3c
   static char name[20];
-  sprintf(name, "Meshtastic_%02x%02x", dmac[4], dmac[5]); 
+  sprintf(name, "Meshtastic_%02x%02x", dmac[4], dmac[5]);
   return name;
 }
 
-
 void setup()
 {
 // Debug
@@ -324,8 +325,10 @@ void setup()
   digitalWrite(RESET_OLED, 1);
 #endif
 
+#ifdef I2C_SDA
   Wire.begin(I2C_SDA, I2C_SCL);
   scanI2Cdevice();
+#endif
 
   axp192Init();
 
@@ -381,7 +384,8 @@ void loop()
 #endif
 
 #ifdef T_BEAM_V10
-  if(axp192_found) {
+  if (axp192_found)
+  {
     // blink the axp led
     axp.setChgLEDMode(ledon ? AXP20X_LED_LOW_LEVEL : AXP20X_LED_OFF);
   }

src/screen.ino

@@ -109,6 +109,7 @@ void screen_update() {
 }
 
 void screen_setup() {
+#ifdef I2C_SDA
     // Display instance
     display = new SSD1306Wire(SSD1306_ADDRESS, I2C_SDA, I2C_SCL);
     display->init();
@@ -117,6 +118,7 @@ void screen_setup() {
 
     // Scroll buffer
     display->setLogBuffer(5, 30);
+#endif
 }
 
 void screen_loop() {