Merge pull request #6 from fhessel/feature/board-t-beam

Add support for LILYGO T-Beam

Author: fhessel

README.md

@@ -240,6 +240,7 @@ Currently supported hardware:
 * Raspberry Pi with [Dragino LoRa GPS HAT](https://wiki.dragino.com/index.php?title=Lora/GPS_HAT)
 * [Pycom LoPy 4](https://pycom.io/product/lopy4/) with external USB-to-Serial converter ([Documentation](docs/board_lopy4.md))
 * [Adafruit Feather M0 LoRa](https://www.adafruit.com/product/3178)
+* [LILYGO T-Beam](https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series), v1.1
 
 ## Development
 

chirpotle.sh

@@ -339,6 +339,21 @@ function chirpotle_deploy {
       fi
     fi
 
+    # Build T-Beam (UART mode)
+    if [[ "$USED_FIRMWARES" =~ " t-beam-uart " ]] || [[ $BUILD_ALL == 1 ]]; then
+      PRECONF=t-beam-uart make -C "$APPDIR" clean all preflash
+      if [[ "$?" != "0" ]]; then
+        echo "Building the companion application failed for (T-Beam, uart)." >&2
+        exit 1
+      fi
+      (mkdir -p "$APPDIR/dist/t-beam-uart" && cp "$REPODIR/submodules/RIOT/cpu/esp32/bin/bootloader.bin" \
+        "$APPDIR/bin/esp32-wroom-32/partitions.csv" "$APPDIR/bin/esp32-wroom-32"/*.bin "$APPDIR/dist/t-beam-uart/")
+      if [[ "$?" != "0" ]]; then
+        echo "Creating distribution of companion application failed for (T-Beam, uart)." >&2
+        exit 1
+      fi
+    fi
+
     # Build Feather M0 (UART mode)
     if [[ "$USED_FIRMWARES" =~ " lora-feather-m0 " ]] || [[ $BUILD_ALL == 1 ]]; then
       PRECONF=lora-feather-m0 make -C "$APPDIR" clean all

node/companion-app/riot-apps/chirpotle-companion/Makefile.preconf

@@ -240,7 +240,38 @@ ifeq ($(PRECONF),lopy4-uart)
 endif
 
 # ------------------------------------------------------------------------------
-# esp32-generic: Generic ESP32 board manually wired to a transceiver
+# t-beam: TTGO/LILYGO T-Beam ESP32 board manually wired to a transceiver
+# ------------------------------------------------------------------------------
+# The TTGO/LILYGO T-Beam is an ESP32-based board with GPS and LoRa module on it.
+# The following configuration is based on the LILYGO variant, Rev 1.1:
+# - https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/blob/master/assets/image/t-beam_v1.1_pinmap.jpg
+# - https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/blob/master/schematic/LilyGo_TBeam_V1.1.pdf
+#
+# Sadly, DIO3 is not connected on these boards.
+ifeq ($(PRECONF),t-beam-uart)
+	# Use the generic wroom-32 board as basis
+	BOARD           = esp32-wroom-32
+
+	# For simplicity: Same SPI pins as for the ESP32
+	LORA_SPI_BUS    ?= "SPI_DEV(0)"
+	CFLAGS          += -DSPI0_SCK=GPIO5
+	CFLAGS          += -DSPI0_MISO=GPIO19
+	CFLAGS          += -DSPI0_MOSI=GPIO27
+	LORA_SPI_CS     ?= GPIO18
+	LORA_GPIO_RESET ?= GPIO23
+ 
+	LORA_GPIO_DIO0  ?= GPIO26
+
+	# Jam on button press
+	LORA_GPIO_JAMMER ?= GPIO38
+
+	# We use the TCP interface over WiFi
+	INTERFACE       ?= uart
+
+endif
+
+# ------------------------------------------------------------------------------
+# esp32-generic: Generic ESP32 board with LoRa and GPS, v1.1
 # ------------------------------------------------------------------------------
 # Setup is very similar to the LoPy, but you can use any ESP32 DevBoard and
 # connect a LoRa Transceiver to it, like the [Dragino LoRa Bee](https://wiki.dragino.com/index.php?title=Lora_BEE)

node/remote-modules/requirements.txt

@@ -1,3 +1,3 @@
 py_ubjson==0.13.0
 pyserial==3.4
-esptool==2.8
+esptool==3.0

scripts/conf-editor.py

@@ -366,8 +366,9 @@ def prompt_conntype():
 "None".
             ''')
         firmwares = {
-            "LoPy 4 via UART": "lopy4-uart",
-            "LoRa Feather M0": "lora-feather-m0",
+            "Pycom LoPy 4 via UART": "lopy4-uart",
+            "Adafruit LoRa Feather M0": "lora-feather-m0",
+            "LILYGO T-Beam v1.1 via UART": "t-beam-uart",
         }
         firmware = Bullet(
             prompt="Which firmware should be flashed to the MCU?",

scripts/list-used-firmwares.py

@@ -50,6 +50,7 @@ def conf_path_to_obj(d):
         "lora-feather-m0": "arm_none",
         "lopy4-uart": "esp32",
         "lopy4": "esp32",
+        "t-beam-uart": "esp32",
         "native-raspi": "arm_linux",
     }
     used_platforms = set()