First commit

2026-09-20 18:55:16 +02:00
commit e8d61a1c98
26 changed files with 4351 additions and 0 deletions
@@ -0,0 +1,40 @@
+; TranspOtter (BLE gamepad build) — ESP32-C3 Supermini driving a hoverboard
+; mainboard running hoverboard-firmware-hack-FOC, controlled by a Bluetooth LE
+; gamepad paired through a USB serial terminal.
+;
+; The C3 has no Bluetooth Classic, so only BLE HID controllers work here.
+;
+;   pio run              build
+;   pio run -t upload    flash over USB-C
+;   pio device monitor   open the console (115200)
+
+[env:supermini-ble]
+platform  = espressif32
+board     = esp32-c3-devkitm-1
+framework = arduino
+
+monitor_speed   = 115200
+monitor_filters = send_on_enter, colorize
+; The C3's native USB-Serial-JTAG is not a real UART, so a baud change is both
+; pointless and harmful — esptool's stub loses the link mid-handshake. 115200 is
+; esptool's default, so it skips the renegotiation entirely.
+upload_speed    = 115200
+
+; Reset over USB rather than toggling DTR/RTS like a UART bridge. Without this,
+; a half-finished upload leaves the chip desynced and every later attempt hangs
+; in esptool's `Connecting....` until it is physically unplugged.
+board_upload.before_reset = usb_reset
+
+; Splices --no-stub into the esptool invocation; see the script for why.
+extra_scripts = post:scripts/no_stub.py
+
+lib_deps =
+    h2zero/NimBLE-Arduino
+
+build_flags =
+    ; The Supermini's USB-C is the C3's native USB, so the console is USB CDC
+    ; and UART1 stays free for the hoverboard link.
+    -DARDUINO_USB_MODE=1
+    -DARDUINO_USB_CDC_ON_BOOT=1
+    -Wall
+    -Wextra