Merge pull request #72 from cyberman54/development

TTGO T-Beam board support added

README.md

@@ -24,13 +24,14 @@ Supported ESP32 based LoRa IoT boards:
 - TTGOv1 {1}
 - TTGOv2 {1}{4}
 - TTGOv2.1 {1}{5}
+- TTGO T-Beam {4}{5}
 - Pycom LoPy {2}
 - Pycom LoPy4 {2}
 - Pycom FiPy {2}
 - LoLin32 with [LoraNode32 shield](https://github.com/hallard/LoLin32-Lora) {2}{3}
 - LoLin32 Lite with [LoraNode32-Lite shield](https://github.com/hallard/LoLin32-Lite-Lora) {2}{3}
 
-{1} on board OLED Display supported; {2} on board RGB LED supported; {3} on board Hardware unique DEVEUI supported; {4} special wiring needed, see instructions in /hal/ttgov2.h; {5} battery voltage monitoring supported
+{1} on board OLED Display supported; {2} on board RGB LED supported; {3} on board Hardware unique DEVEUI supported; {4} special wiring needed, see instructions in file /hal/<board>.h; {5} battery voltage monitoring supported
 
 Target platform must be selected in [platformio.ini](https://github.com/cyberman54/ESP32-Paxcounter/blob/master/platformio.ini).<br>
 Hardware dependent settings (pinout etc.) are stored in board files in /hal directory.<br>

platformio.ini

@@ -11,10 +11,11 @@
 
 ; ---> SELECT TARGET PLATFORM HERE! <---
 [platformio]
-env_default = heltec
+;env_default = heltec
 ;env_default = ttgov1
 ;env_default = ttgov2
 ;env_default = ttgov21
+env_default = ttgobeam
 ;env_default = lopy
 ;env_default = lopy4
 ;env_default = fipy
@@ -24,7 +25,7 @@ env_default = heltec
 description = Paxcounter is a proof-of-concept ESP32 device for metering passenger flows in realtime. It counts how many mobile devices are around.
 
 [common_env_data]
-platform_espressif32 = espressif32@>=1.0.1
+platform_espressif32 = espressif32@>=1.0.2
 board_build.partitions = no_ota.csv
 board_upload.maximum_size = 2097152
 lib_deps_display =
@@ -101,6 +102,20 @@ build_flags =
     ${common_env_data.build_flags}
     -include "src/hal/ttgov21.h"
 
+[env:ttgobeam]
+platform = ${common_env_data.platform_espressif32}
+framework = arduino
+board = esp32dev
+board_build.partitions = ${common_env_data.board_build.partitions}
+board_upload.maximum_size = ${common_env_data.board_upload.maximum_size}
+monitor_speed = 115200
+upload_speed = 921600
+lib_deps = 
+    ${common_env_data.lib_deps_display}
+build_flags = 
+    ${common_env_data.build_flags}
+    -include "src/hal/ttgobeam.h"
+
 [env:fipy]
 platform = espressif32@1.0.1
 framework = arduino

src/hal/ttgobeam.h

@@ -0,0 +1,21 @@
+// Hardware related definitions for TTGO T-Beam board
+
+#define CFG_sx1276_radio 1 // HPD13A LoRa SoC
+
+#define HAS_LED 21 // on board green LED_G1
+#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
+#define BATT_FACTOR 2 // voltage divider 100k/100k on board
+// #define HAS_GPS // to be done
+// GSP serial (9600, SERIAL_8N1, 12, 15);   //17-TX 18-RX
+
+// re-define pin definitions of pins_arduino.h
+#define PIN_SPI_SS    18 // ESP32 GPIO18 (Pin18) -- HPD13A NSS/SEL (Pin4) SPI Chip Select Input
+#define PIN_SPI_MOSI  27 // ESP32 GPIO27 (Pin27) -- HPD13A MOSI/DSI (Pin6) SPI Data Input
+#define PIN_SPI_MISO  19 // ESP32 GPIO19 (Pin19) -- HPD13A MISO/DSO (Pin7) SPI Data Output
+#define PIN_SPI_SCK   5  // ESP32 GPIO5 (Pin5)   -- HPD13A SCK (Pin5) SPI Clock Input
+
+// non arduino pin definitions
+#define RST   LMIC_UNUSED_PIN // connected to ESP32 RST/EN
+#define DIO0  26 // ESP32 GPIO26 <-> HPD13A IO0
+#define DIO1  33 // Lora1 <-> HPD13A IO1 // !! NEEDS EXTERNAL WIRING !!
+#define DIO2  32 // Lora2 <-> HPD13A IO2 // needs external wiring, but not necessary for LoRa, only FSK