; TranspOtter — ESP32-C3 Supermini motion controller for a hoverboard mainboard
; running hoverboard-firmware-hack-FOC (VARIANT_USART + TANK_STEERING + SPD_MODE).
;
;   pio run              build
;   pio run -t upload    flash over USB-C
;   pio device monitor   open the console (115200)

[env:supermini]
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

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