feat: New variant esp32c3_super_mini (#7133)

https://www.espboards.dev/esp32/esp32-c3-super-mini/

DIY build by @AntonKartajaya on Meshtastic Discord and a PCB version WIP by https://github.com/NomDeTom.

- I2C
  - I2C_SDA: 1
  - I2C_SCL: 0
  - OLED: SSD1306
- GPS
  - GPS_RX_PIN: 20
  - GPS_TX_PIN: 21
- Button
  - BUTTON_PIN: 9
- SPI
  - SCK: 10
  - MISO: 6
  - MOSI: 7
  - CS: 8
- LoRa: SX1262
  - LORA_RESET: 5
  - LORA_DIO1: 3
  - LORA_RXEN: 2
  - LORA_BUSY: 4

Signed-off-by: Andrew Yong <me@ndoo.sg>
This commit is contained in:
Andrew Yong 2025-07-13 19:12:24 +08:00 committed by GitHub
parent fd414ed149
commit 0133c5dc9e
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
3 changed files with 98 additions and 0 deletions

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@ -0,0 +1,24 @@
#ifndef Pins_Arduino_h
#define Pins_Arduino_h
#include <stdint.h>
static const uint8_t TX = 21;
static const uint8_t RX = 20;
static const uint8_t SDA = 1;
static const uint8_t SCL = 0;
static const uint8_t SS = 8;
static const uint8_t MOSI = 7;
static const uint8_t MISO = 6;
static const uint8_t SCK = 10;
static const uint8_t A0 = 0;
static const uint8_t A1 = 1;
static const uint8_t A2 = 2;
static const uint8_t A3 = 3;
static const uint8_t A4 = 4;
static const uint8_t A5 = 5;
#endif /* Pins_Arduino_h */

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@ -0,0 +1,61 @@
#ifndef _VARIANT_ESP32C3_SUPER_MINI_
#define _VARIANT_ESP32C3_SUPER_MINI_
/*----------------------------------------------------------------------------
* Headers
*----------------------------------------------------------------------------*/
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
// I2C (Wire) & OLED
#define WIRE_INTERFACES_COUNT (1)
#define I2C_SDA (1)
#define I2C_SCL (0)
#define USE_SSD1306
// GPS
#undef GPS_RX_PIN
#undef GPS_TX_PIN
#define GPS_RX_PIN (20)
#define GPS_TX_PIN (21)
// Button
#define BUTTON_PIN (9) // BOOT button
// LoRa
#define USE_LLCC68
#define USE_SX1262
// #define USE_RF95
#define USE_SX1268
#define LORA_DIO0 RADIOLIB_NC
#define LORA_RESET (5)
#define LORA_DIO1 (3)
#define LORA_RXEN (2)
#define LORA_BUSY (4)
#define LORA_SCK (10)
#define LORA_MISO (6)
#define LORA_MOSI (7)
#define LORA_CS (8)
#define SX126X_CS LORA_CS
#define SX126X_DIO1 LORA_DIO1
#define SX126X_BUSY LORA_BUSY
#define SX126X_RESET LORA_RESET
#define SX126X_RXEN LORA_RXEN
#define SX126X_DIO3_TCXO_VOLTAGE (1.8)
#define TCXO_OPTIONAL // make it so that the firmware can try both TCXO and XTAL
#ifdef __cplusplus
}
#endif
/*----------------------------------------------------------------------------
* Arduino objects - C++ only
*----------------------------------------------------------------------------*/
#endif

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@ -141,3 +141,16 @@ build_flags =
-D ARDUINO_USB_MODE=0
-D ARDUINO_USB_CDC_ON_BOOT=1
-I variants/diy/t-energy-s3_e22
; ESP32 C3 Super Mini Development Board
; https://www.espboards.dev/esp32/esp32-c3-super-mini/
[env:esp32c3_super_mini]
extends = esp32c3_base
board = esp32-c3-devkitm-1
build_flags =
${esp32_base.build_flags}
-D PRIVATE_HW
-I variants/diy/esp32c3_super_mini
-D ARDUINO_USB_MODE=1
-D ARDUINO_USB_CDC_ON_BOOT=1
board_level = extra