Merge pull request #1136 from osmanovv/diy-v11

Meshtastic DIY v1.1 new schematic

platformio.ini

@@ -25,6 +25,7 @@ default_envs = tbeam
 ;default_envs = rak4631
 ;default_envs = rak4630
 ;default_envs = meshtastic-diy-v1
+;default_envs = meshtastic-diy-v1.1
 
 [common]
 ; common is not currently used
@@ -234,6 +235,16 @@ build_flags =
   -D EBYTE_E22
   -I variants/meshtastic_diy_v1
 
+; Meshtastic DIY v1.1 new schematic based on ESP32-WROOM-32 & SX1262/SX1268 modules
+[env:meshtastic-diy-v1.1]
+extends = esp32_base
+board = esp32doit-devkit-v1
+build_flags =
+  ${esp32_base.build_flags}
+  -D DIY_V1
+  -D EBYTE_E22
+  -I variants/diy/v1_1
+
 ; The Heltec Cubecell plus 
 ; IMPORTANT NOTE: This target doesn't yet work and probably won't ever work.  I'm keeping it around for now.
 ; For more details see my post in the forum.

variants/diy/v1_1/variant.h

@@ -0,0 +1,57 @@
+// For OLED LCD
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+// GPS
+#undef GPS_RX_PIN
+#define GPS_RX_PIN 15
+
+#define BUTTON_PIN 2 // The middle button GPIO on the T-Beam
+#define BUTTON_NEED_PULLUP
+#define EXT_NOTIFY_OUT 12 // Overridden default pin to use for Ext Notify Plugin (#975).
+
+#define LORA_DIO0 26  // a No connect on the SX1262/SX1268 module
+#define LORA_RESET 27 // RST for SX1276, and for SX1262/SX1268
+#define LORA_DIO1 33  // IRQ for SX1262/SX1268
+#define LORA_DIO2 32  // BUSY for SX1262/SX1268
+#define LORA_DIO3     // Not connected on PCB, but internally on the TTGO SX1262/SX1268, if DIO3 is high the TXCO is enabled
+
+// In transmitting, set TXEN as high communication level，RXEN pin is low level;
+// In receiving, set RXEN as high communication level, TXEN is lowlevel;
+// Before powering off, set TXEN、RXEN as low level.
+#define LORA_RXEN 14  // Input - RF switch RX control, connecting external MCU IO, valid in high level
+#define LORA_TXEN 13  // Input - RF switch TX control, connecting external MCU IO or DIO2, valid in high level
+
+#undef RF95_SCK
+#define RF95_SCK 18
+#undef RF95_MISO
+#define RF95_MISO 23
+#undef RF95_MOSI
+#define RF95_MOSI 19
+#undef RF95_NSS
+#define RF95_NSS 5
+
+// RX/TX for RFM95/SX127x
+#define RF95_RXEN LORA_RXEN
+#define RF95_TXEN LORA_TXEN
+// #define RF95_TCXO <GPIO#>
+
+// common pinouts for SX126X modules
+#define SX126X_CS 5
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_RXEN LORA_RXEN
+#define SX126X_TXEN LORA_TXEN
+
+// supported modules list
+#define USE_RF95 // RFM95/SX127x
+#define USE_SX1262
+#define USE_SX1268
+#define USE_LLCC68
+
+#ifdef EBYTE_E22
+// Internally the TTGO module hooks the SX126x-DIO2 in to control the TX/RX switch
+// (which is the default for the sx1262interface code)
+#define SX126X_E22
+#endif