/*
 * SPDX-FileCopyrightText: 2019 Yegor Yefremov
 * SPDX-License-Identifier: LGPL-2.1-only
 */

#pragma once

/**
 * @ingroup     boards_esp32_ttgo-t-beam
 * @{
 *
 * @file
 * @brief       Mapping from MCU pins to Arduino pins
 *
 * @author      Yegor Yefremov <yegorslists@googlemail.com>
 */

#include "periph/gpio.h"
#include "periph/adc.h"

#ifdef __cplusplus
extern "C" {
#endif

#define ARDUINO_UART_D0D1       UART_DEV(0) /**< Arduino UART interface */
#define ARDUINO_SPI_D11D12D13   SPI_DEV(0)  /**< Arduino SPI bus */

#if MODULE_ESP32_TTGO_T_BEAM_V1_0
#  define ARDUINO_LED           (3)         /**< LED is connected to Arduino pin 3 */
#endif

/**
 * @name   Mapping of MCU pins to Arduino pins
 * @{
 */

#define ARDUINO_PIN_0       GPIO3   /**< Arduino pin 0 (RxD) */
#define ARDUINO_PIN_1       GPIO1   /**< Arduino pin 1 (TxD) */
#define ARDUINO_PIN_2       GPIO13  /**< Arduino pin 2 */
#define ARDUINO_PIN_3       GPIO14  /**< Arduino pin 3 (PWM / LED0) */
#define ARDUINO_PIN_4       GPIO4   /**< Arduino pin 4 */
#define ARDUINO_PIN_5       GPIO0   /**< Arduino pin 5 (PWM) */
#define ARDUINO_PIN_6       GPIO2   /**< Arduino pin 6 (PWM) */
#define ARDUINO_PIN_7       GPIO23  /**< Arduino pin 7 */

/* Arduino pin 8 is not available */

#define ARDUINO_PIN_9       GPIO25  /**< Arduino pin 9 (PWM / DAC0) */

#define ARDUINO_PIN_10      GPIO18  /**< Arduino pin 10 (CS0) */
#define ARDUINO_PIN_11      GPIO27  /**< Arduino pin 11 (MOSI) */
#define ARDUINO_PIN_12      GPIO19  /**< Arduino pin 12 (MISO) */
#define ARDUINO_PIN_13      GPIO5   /**< Arduino pin 13 (SCK) */

/* analog pins as digital pin: */
#define ARDUINO_PIN_14      GPIO32  /**< Arduino pin 14 input only (A0) */
#define ARDUINO_PIN_15      GPIO33  /**< Arduino pin 15 input only (A1) */
#define ARDUINO_PIN_16      GPIO35  /**< Arduino pin 16 input only (A2) */
#define ARDUINO_PIN_17      GPIO36  /**< Arduino pin 17 input only (A3) */

/* Arduino I2C signals */
#define ARDUINO_PIN_18      GPIO21  /**< Arduino pin 18 (SDA) */
#define ARDUINO_PIN_19      GPIO22  /**< Arduino pin 19 (SCL) */

#define ARDUINO_PIN_LAST    19
/** @} */

/**
 * @name    Aliases for analog pins
 * @{
 */
#define ARDUINO_PIN_A0      ARDUINO_PIN_14  /**< Arduino pin A0 */
#define ARDUINO_PIN_A1      ARDUINO_PIN_15  /**< Arduino pin A1 */
#define ARDUINO_PIN_A2      ARDUINO_PIN_16  /**< Arduino pin A2 */
#define ARDUINO_PIN_A3      ARDUINO_PIN_17  /**< Arduino pin A3 */

#define ARDUINO_PIN_DAC0    ARDUINO_PIN_9   /**< Arduino pin DAC0 */
/** @} */

/**
 * @name    Mapping of Arduino analog pins to RIOT ADC lines
 * @{
 */
#define ARDUINO_A0          ADC_LINE(5)     /**< ADC line for Arduino pin A0 */
#define ARDUINO_A1          ADC_LINE(6)     /**< ADC line for Arduino pin A1 */
#define ARDUINO_A2          ADC_LINE(7)     /**< ADC line for Arduino pin A2 */
#define ARDUINO_A3          ADC_LINE(8)     /**< ADC line for Arduino pin A3 */

#define ARDUINO_ANALOG_PIN_LAST 3           /**< Last Arduino analog pin index */
/** @} */

/**
 * @name    Mapping of Arduino DAC pins to RIOT DAC lines
 * @{
 */
#define ARDUINO_DAC0        DAC_LINE(0)     /**< DAC line for Arduino pin DAC0 */

#define ARDUINO_DAC_PIN_LAST    0           /**< Last Arduino DAC pin index */
/** @} */

/**
 * @name    Mapping of Arduino pins to RIOT PWM dev and channel pairs
 * @{
 */
#define ARDUINO_PIN_3_PWM_DEV   PWM_DEV(0)  /**< PWM device for Arduino pin 3 */
#define ARDUINO_PIN_3_PWM_CHAN  0           /**< PWM channel for Arduino pin 3 */

#define ARDUINO_PIN_5_PWM_DEV   PWM_DEV(0)  /**< PWM device for Arduino pin 5 */
#define ARDUINO_PIN_5_PWM_CHAN  1           /**< PWM channel for Arduino pin 5 */

#define ARDUINO_PIN_6_PWM_DEV   PWM_DEV(0)  /**< PWM device for Arduino pin 6 */
#define ARDUINO_PIN_6_PWM_CHAN  2           /**< PWM channel for Arduino pin 6 */

#define ARDUINO_PIN_9_PWM_DEV   PWM_DEV(0)  /**< PWM device for Arduino pin 9 */
#define ARDUINO_PIN_9_PWM_CHAN  3           /**< PWM channel for Arduino pin 9 */
/** @} */

#ifdef __cplusplus
}
#endif

/** @} */