From 2fa6c7d93e72f28b1d1c8095fdd733dbe0c1e936 Mon Sep 17 00:00:00 2001
From: Ray Votyn <23479402+Votyn@users.noreply.github.com>
Date: Thu, 8 Feb 2024 04:03:50 +0000
Subject: [PATCH] Add seeed xiao esp32c3 support (#307)

* Add seeed xiao esp32c3 support

* Fix defines spacing

* Add board to platformio-tools.ini

---------

Co-authored-by: Butterscotch! <bscotchvanilla@gmail.com>
---
 platformio-tools.ini |  7 +++++++
 src/consts.h         |  1 +
 src/defines.h        | 17 +++++++++++++++++
 3 files changed, 25 insertions(+)

diff --git a/platformio-tools.ini b/platformio-tools.ini
index f3d1bb3d2..9d82ca9b8 100644
--- a/platformio-tools.ini
+++ b/platformio-tools.ini
@@ -64,3 +64,10 @@ build_flags =
   ${env.build_flags}
   -DESP32C3
 board = esp32-c3-devkitm-1
+
+[env:BOARD_XIAO_ESP32C3]
+platform = espressif32 @ 6.1.0
+build_flags = 
+  ${env.build_flags}
+  -DESP32C3
+board = seeed_xiao_esp32c3
diff --git a/src/consts.h b/src/consts.h
index c6af4fe44..69145cfe4 100644
--- a/src/consts.h
+++ b/src/consts.h
@@ -56,6 +56,7 @@
 #define BOARD_WRANGLER 14 // Only used by wrangler app
 #define BOARD_MOCOPI 15 // Used by mocopi/moslime
 #define BOARD_WEMOSWROOM02 16
+#define BOARD_XIAO_ESP32C3 17
 #define BOARD_DEV_RESERVED 250 // Reserved, should not be used in any release firmware
 
 #define BAT_EXTERNAL 1
diff --git a/src/defines.h b/src/defines.h
index bb32739e8..33296454a 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -189,4 +189,21 @@ IMU_DESC_ENTRY(IMU_BMP160, PRIMARY_IMU_ADDRESS_ONE, IMU_ROTATION, PIN_IMU_SCL, P
   #define PIN_BATTERY_LEVEL A0
   #define LED_PIN 16
   #define LED_INVERTED true
+#elif BOARD == BOARD_XIAO_ESP32C3
+  #define PIN_IMU_SDA 6 // D4
+  #define PIN_IMU_SCL 7 // D5
+  #define PIN_IMU_INT 5 // D3
+  #define PIN_IMU_INT_2 10 // D10
+  #define LED_PIN 4 // D2
+  #define LED_INVERTED false
+  #define PIN_BATTERY_LEVEL 2 // D0 / A0
+  #ifndef BATTERY_SHIELD_RESISTANCE
+    #define BATTERY_SHIELD_RESISTANCE 0
+  #endif
+  #ifndef BATTERY_SHIELD_R1
+    #define BATTERY_SHIELD_R1 100
+  #endif
+  #ifndef BATTERY_SHIELD_R2
+    #define BATTERY_SHIELD_R2 100
+  #endif
 #endif