/*
 * SPDX-FileCopyrightText: 2022 Gunar Schorcht
 * SPDX-License-Identifier: LGPL-2.1-only
 */

#pragma once

/**
 * @ingroup     boards_esp32c3_wemos_mini
 * @{
 *
 * @file
 * @brief       Mapping from MCU pins to Arduino pins
 *
 * @author      Gunar Schorcht <gunar@schorcht.net>
 */

#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 */

#ifdef MODULE_ESP32C3_WEMOS_MINI_V1_0_0
#  define ARDUINO_LED           (5)         /**< LED is connected to Arduino pin 5 */
#endif

/**
 * @name   Mapping of MCU pins to Arduino pins
 * @{
 */
#define ARDUINO_PIN_0       GPIO20      /**< Arduino pin 0 (RxD) */
#define ARDUINO_PIN_1       GPIO21      /**< Arduino pin 1 (TxD) */
#define ARDUINO_PIN_2       GPIO9       /**< Arduino pin 2 (BTN0) */
#define ARDUINO_PIN_3       GPIO6       /**< Arduino pin 3 (PWM) */

#ifdef MODULE_ESP32C3_WEMOS_MINI_V1_0_0

#  define ARDUINO_PIN_4     GPIO0       /**< Arduino pin 4 */
#  define ARDUINO_PIN_5     GPIO1       /**< Arduino pin 5 (PWM/LED) */
#  define ARDUINO_PIN_6     GPIO7       /**< Arduino pin 6 (PWM) */

#  define ARDUINO_PIN_10    GPIO5       /**< Arduino pin 10 (CS0)  */
#  define ARDUINO_PIN_11    GPIO4       /**< Arduino pin 11 (MOSI) */
#  define ARDUINO_PIN_12    GPIO3       /**< Arduino pin 12 (MISO) */
#  define ARDUINO_PIN_13    GPIO2       /**< Arduino pin 13 (SCK)  */

#else /* MODULE_ESP32C3_WEMOS_MINI_V2_1_0 */

#  define ARDUINO_PIN_4     GPIO7       /**< Arduino pin 4 (RGB LED) */
#  define ARDUINO_PIN_6     GPIO2       /**< Arduino pin 5 (PWM) */
#  define ARDUINO_PIN_7     GPIO3       /**< Arduino pin 6 (PWM) */

#  define ARDUINO_PIN_10    GPIO5       /**< Arduino pin 10 (CS0)  */
#  define ARDUINO_PIN_11    GPIO4       /**< Arduino pin 11 (MOSI) */
#  define ARDUINO_PIN_12    GPIO0       /**< Arduino pin 12 (MISO) */
#  define ARDUINO_PIN_13    GPIO1       /**< Arduino pin 13 (SCK)  */

#endif

/* Arduino pins 7 ... 9 are not available */

/* analog pins as digital pin: */
#define ARDUINO_PIN_14      GPIO0       /**< Arduino pin 14 (A0) */
#define ARDUINO_PIN_15      GPIO1       /**< Arduino pin 15 (A1) */
#define ARDUINO_PIN_16      GPIO2       /**< Arduino pin 16 (A2) */
#define ARDUINO_PIN_17      GPIO3       /**< Arduino pin 17 (A3) */
#define ARDUINO_PIN_18      GPIO4       /**< Arduino pin 18 (A4) */
#define ARDUINO_PIN_19      GPIO5       /**< Arduino pin 19 (A5) */

#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_A4      ARDUINO_PIN_18  /**< Arduino pin A4 */
#define ARDUINO_PIN_A5      ARDUINO_PIN_19  /**< Arduino pin A5 */
/** @} */

/**
 * @name    Mapping of Arduino analog pins to RIOT ADC lines
 * @{
 */
#define ARDUINO_A0          ADC_LINE(0)     /**< ADC line for Arduino pin A0 */
#define ARDUINO_A1          ADC_LINE(1)     /**< ADC line for Arduino pin A1 */
#define ARDUINO_A2          ADC_LINE(2)     /**< ADC line for Arduino pin A2 */
#define ARDUINO_A3          ADC_LINE(3)     /**< ADC line for Arduino pin A3 */
#define ARDUINO_A4          ADC_LINE(4)     /**< ADC line for Arduino pin A4 */
#define ARDUINO_A5          ADC_LINE(5)     /**< ADC line for Arduino pin A5 */

#define ARDUINO_ANALOG_PIN_LAST 5
/** @} */

/**
 * @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  1           /**< 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  0           /**< 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 */
/** @} */

#ifdef __cplusplus
}
#endif

/** @} */