feat: Add hwconfs for C3 dev-boards

main/hwconf/devboards/hw_blink_example.lbm

@@ -0,0 +1,14 @@
+; LED blink (e.g. Supermini)
+
+; Getting started
+; - https://github.com/svenssonjoel/lispBM/tree/master/doc
+; - https://github.com/vedderb/bldc/tree/master/lispBM
+
+(gpio-configure 8 'pin-mode-out) ; configure pin 8 as output
+
+(loopwhile t {              ; loop endlessly
+        (gpio-write 8 1)    ; set pin 8 high
+        (sleep 1.0)         ; wait 1s
+        (gpio-write 8 0)    ; set pin 8 low
+        (sleep 0.5)         ; wait 0.5s
+})

main/hwconf/devboards/hw_blink_example_rgb.lbm

@@ -0,0 +1,28 @@
+; RGB LED blink (e.g. ESP32-C3-DevKit boards)
+
+; Getting started
+; - https://github.com/svenssonjoel/lispBM/tree/master/doc
+; - https://github.com/vedderb/bldc/tree/master/lispBM
+
+; LED functions
+; - https://github.com/vedderb/bldc/blob/master/lispBM/README.md#rgb-led-eg-ws2812
+
+(rgbled-init 8) ; Initialize RGB LEDs on pin 8
+
+(def led-num 1) ; Number of LEDs in strip
+(def strip1 (rgbled-buffer led-num 1)) ; type 1=RGB
+
+(def colors '(
+    0x00550000i32 ; red   (R channel)
+    0x00005500i32 ; green (G channel)
+    0x00000055i32 ; blue  (B channel)
+    0x55000000i32 ; white (W channel, if present)
+))
+
+(loopwhile t
+    (loopforeach c colors
+        (progn
+            (rgbled-color strip1 0 c) ; Set first LED of strip1 to color c
+            (rgbled-update strip1)    ; Apply configured color
+            (sleep 0.2)               ; Wait 200ms
+)))

main/hwconf/devboards/hw_c3_supermini.c

@@ -0,0 +1,25 @@
+/*
+	Copyright 2024 Benjamin Vedder	benjamin@vedder.se
+
+	This file is part of the VESC firmware.
+
+	The VESC firmware is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    The VESC firmware is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    */
+
+#include "hw_c3_supermini.h"
+
+void hw_init(void) {
+
+}
+

main/hwconf/devboards/hw_c3_supermini.h

@@ -0,0 +1,55 @@
+/*
+	Copyright 2026 Benjamin Vedder	benjamin@vedder.se
+
+	This file is part of the VESC firmware.
+
+	The VESC firmware is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    The VESC firmware is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    */
+
+/* ESP32C3 Supermini
+   - https://www.fambach.net/esp32-c3-super-mini-board/
+   - https://forum.esk8.news/t/usb-c-to-vesc-can-forward-adapter-cheap-and-diy/79789
+
+   HW_HEADER=hwconf/devboards/hw_c3_supermini.h && HW_SRC=hwconf/devboards/hw_c3_supermini.c && idf.py build
+   */
+
+#ifndef MAIN_HWCONF_C3_SUPERMINI_H_
+#define MAIN_HWCONF_C3_SUPERMINI_H_
+
+#include "driver/gpio.h"
+
+#define HW_NAME						"C3 Supermini"
+#define HW_DEFAULT_ID				2
+
+#define HW_INIT_HOOK()				hw_init()
+
+// LEDs
+// Blue is shared (GPIO8/SCK/D8), Red is not controllable (Power LED)
+// On the VESC-Express, blue LED is used for feedback of BT and red for Wifi
+#define LED_BLUE_PIN				8
+
+#define LED_BLUE_ON()				gpio_set_level(LED_BLUE_PIN, 1)
+#define LED_BLUE_OFF()				gpio_set_level(LED_BLUE_PIN, 0)
+
+// CAN
+#define CAN_TX_GPIO_NUM				1
+#define CAN_RX_GPIO_NUM				0
+
+// UART
+#define HW_NO_UART
+
+// Functions
+void hw_init(void);
+
+#endif

main/hwconf/hw_devkit_c3.h → main/hwconf/devboards/hw_devkit_c3.h

@@ -17,6 +17,12 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
     */
 
+/*  ESP32-C3-DevKit (multiple)
+    - https://www.espressif.com/en/products/devkits#:~:text=ESP32%2DC3
+
+    HW_HEADER=hwconf/devboards/hw_devkit_c3.h && HW_SRC=hwconf/devboards/hw_devkit_c3.c && idf.py build
+    */
+
 #ifndef MAIN_HWCONF_DEVKIT_C3_H_
 #define MAIN_HWCONF_DEVKIT_C3_H_
 
@@ -25,6 +31,9 @@
 
 #define HW_INIT_HOOK()				hw_init()
 
+// LEDs
+// RGB on GPIO8 (see hw_blink_example_rgb.lbm), Red is not controllable (Power LED)
+
 // UART
 #define UART_NUM					0
 #define UART_BAUDRATE				115200

main/hwconf/devboards/hw_xiao_c3.c

@@ -0,0 +1,25 @@
+/*
+	Copyright 2024 Benjamin Vedder	benjamin@vedder.se
+
+	This file is part of the VESC firmware.
+
+	The VESC firmware is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    The VESC firmware is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    */
+
+#include "hw_xiao_c3.h"
+
+void hw_init(void) {
+
+}
+

main/hwconf/devboards/hw_xiao_c3.h

@@ -0,0 +1,50 @@
+/*
+	Copyright 2026 Benjamin Vedder	benjamin@vedder.se
+
+	This file is part of the VESC firmware.
+
+	The VESC firmware is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    The VESC firmware is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+    */
+
+/* XIAO ESP32C3
+   - https://wiki.seeedstudio.com/XIAO_ESP32C3_Getting_Started/
+   - https://forum.esk8.news/t/usb-c-to-vesc-can-forward-adapter-cheap-and-diy/79789
+
+   HW_HEADER=hwconf/devboards/hw_xiao_c3.h && HW_SRC=hwconf/devboards/hw_xiao_c3.c && idf.py build
+   */
+
+#ifndef MAIN_HWCONF_XIAO_C3_H_
+#define MAIN_HWCONF_XIAO_C3_H_
+
+#include "driver/gpio.h"
+
+#define HW_NAME						"XIAO C3"
+#define HW_DEFAULT_ID				2
+
+#define HW_INIT_HOOK()				hw_init()
+
+// LEDs
+// Red is not controllable (Charge LED)
+
+// CAN
+#define CAN_TX_GPIO_NUM				9
+#define CAN_RX_GPIO_NUM				8
+
+// UART
+#define HW_NO_UART
+
+// Functions
+void hw_init(void);
+
+#endif