// SPDX-License-Identifier: GPL-3.0-only
// OpenScribe pin map. Defaults match hardware/BOM.md (Build B, ESP32-S3 devkit).
// Override per board via the OPENSCRIBE_BOARD_* flags set in platformio.ini.
#pragma once

#if defined(OPENSCRIBE_BOARD_XIAO)
// Seeed XIAO ESP32-S3 Sense: onboard PDM mic + microSD use the Sense board's fixed pins.
// The audio driver selects the PDM path for this board.
#define PIN_PDM_CLK     42  // XIAO ESP32-S3 Sense onboard PDM mic clock
#define PIN_PDM_DIN     41  // XIAO ESP32-S3 Sense onboard PDM mic data
// XIAO Sense onboard microSD (SDMMC-on-SPI fixed pins)
#define PIN_SD_CS       21
#define PIN_SD_SCK      7
#define PIN_SD_MOSI     9
#define PIN_SD_MISO     8
#define PIN_BUTTON      2   // external tactile button to GND
#define PIN_LED         LED_BUILTIN // XIAO onboard user LED (active-low)
#define PIN_LED_ACTIVE_LOW 1
#define PIN_VBUS_SENSE  -1  // use USB-serial/VBUS API on XIAO
#define PIN_CHARGE_STAT -1

#else // OPENSCRIBE_BOARD_DEV (default)
// I2S MEMS microphone (INMP441 / ICS-43434)
#define PIN_I2S_BCLK    4
#define PIN_I2S_WS      5
#define PIN_I2S_DIN     6

// microSD (SPI mode)
#define PIN_SD_SCK      12
#define PIN_SD_MOSI     11
#define PIN_SD_MISO     13
#define PIN_SD_CS       10

// Controls / status
#define PIN_BUTTON      7   // active-low, internal pull-up
#define PIN_LED         48  // plain LED via 330R (WS2812 support added later)
#define PIN_LED_ACTIVE_LOW 0
#define PIN_CHARGE_STAT 14  // TP4056 STAT (open-drain)
#define PIN_VBUS_SENSE  15  // USB 5V present -> on-charge / powered mode
#define PIN_MOTOR       16  // optional haptic, via transistor
#endif