/*
 * MTG RFID Companion - Hardware pin assignments
 *
 * Do NOT change these unless explicitly instructed. SPI2_HOST (VSPI) is
 * shared by the ST7789 display and the MFRC522 RFID reader.
 */

#pragma once

#include "sdkconfig.h"
#include "hal/gpio_types.h"
#include "driver/spi_master.h"

/* Shared SPI2_HOST (VSPI) bus.
 * NOTE: on 7-pin ST7789 modules, the display labels these SDA (MOSI) and
 * SCL (SCK) - they tap the SAME shared bus as the MFRC522. */
#define HW_SPI_HOST        (SPI2_HOST)
#define HW_SPI_SCK_GPIO    (GPIO_NUM_18)   /* display SCL + MFRC522 SCK */
#define HW_SPI_MOSI_GPIO   (GPIO_NUM_23)   /* display SDA + MFRC522 MOSI */
#define HW_SPI_MISO_GPIO   (GPIO_NUM_19)   /* MFRC522 MISO only */

/* MFRC522 RFID reader */
#define HW_RC522_CS_GPIO   (GPIO_NUM_5)
#define HW_RC522_RST_GPIO  (GPIO_NUM_22)

/* ST7789 display - 7-pin breakout: CS / DC / RST / SDA / SCL / GND / VCC.
 * SDA and SCL share the SPI bus above (SCL=HW_SPI_SCK, SDA=HW_SPI_MOSI). */
#define HW_LCD_CS_GPIO     (GPIO_NUM_15)
#define HW_LCD_DC_GPIO     (GPIO_NUM_2)
#define HW_LCD_RST_GPIO    (GPIO_NUM_4)

/* EC11 rotary encoder */
#define HW_ENC_CLK_GPIO    (GPIO_NUM_32)
#define HW_ENC_DT_GPIO     (GPIO_NUM_33)
#define HW_ENC_SW_GPIO     (GPIO_NUM_25)

/* WS2812B Neopixel */
#define HW_NEOPIXEL_GPIO   (GPIO_NUM_27)

/* Piezo buzzer */
#define HW_BUZZER_GPIO     (GPIO_NUM_14)