arduino_iomap.h

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/*
 * SPDX-FileCopyrightText: 2024 TU Dresden
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include "periph/gpio.h"
#include "periph/adc.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define ARDUINO_UART_DEV    UART_UNDEF  

#define ARDUINO_SPI_DEV     SPI_DEV(0)  

#define ARDUINO_I2C_DEV     I2C_DEV(0)  

#define ARDUINO_LED     (11)            

/* Left pins */
#define ARDUINO_PIN_0       GPIO_PIN(0,  2) 
#define ARDUINO_PIN_1       GPIO_PIN(0,  3) 
#define ARDUINO_PIN_2       GPIO_PIN(0, 28) 
#define ARDUINO_PIN_3       GPIO_PIN(0, 29) 
#define ARDUINO_PIN_4       GPIO_PIN(0,  4) 
#define ARDUINO_PIN_5       GPIO_PIN(0,  5) 
#define ARDUINO_PIN_6       GPIO_PIN(1, 11) 
 
/* Right side */
#define ARDUINO_PIN_7       GPIO_PIN(1, 12) 
#define ARDUINO_PIN_8       GPIO_PIN(1, 13) 
#define ARDUINO_PIN_9       GPIO_PIN(1, 14) 
#define ARDUINO_PIN_10      GPIO_PIN(1, 15) 
 
/* Internal (LEDs) */
#define ARDUINO_PIN_11      GPIO_PIN(0, 26) 
#define ARDUINO_PIN_12      GPIO_PIN(0,  6) 
#define ARDUINO_PIN_13      GPIO_PIN(0, 30) 
 
#define ARDUINO_PIN_LAST    13              

#define ARDUINO_PIN_A0      ARDUINO_PIN_0   
#define ARDUINO_PIN_A1      ARDUINO_PIN_1   
#define ARDUINO_PIN_A2      ARDUINO_PIN_2   
#define ARDUINO_PIN_A3      ARDUINO_PIN_3   
#define ARDUINO_PIN_A4      ARDUINO_PIN_4   
#define ARDUINO_PIN_A5      ARDUINO_PIN_5   

/* The Seeed Studio XIAO nRF52840 has a fixed ADC to GPIO mapping:
 *
 * nRF  | MCU pin   | Exposed as Arduino pin
 * -----|-----------|-----------------------
 * AIN0 | P0.02     | A0 (D0)
 * AIN1 | P0.03     | A1 (D1)
 * AIN2 | P0.04     | A4 (D4)
 * AIN3 | P0.05     | A5 (D5)
 * AIN4 | P0.28     | A2 (D2)
 * AIN5 | P0.29     | A3 (D3)
 * AIN6 | P0.30     | - (D13)
 * AIN7 | P0.31     | - (-)
 */
#define ARDUINO_A0          ADC_LINE(0)     
#define ARDUINO_A1          ADC_LINE(1)     
#define ARDUINO_A2          ADC_LINE(4)     
#define ARDUINO_A3          ADC_LINE(5)     
#define ARDUINO_A4          ADC_LINE(2)     
#define ARDUINO_A5          ADC_LINE(3)     
 
#define ARDUINO_ANALOG_PIN_LAST 5           
 
#ifdef __cplusplus
}
#endif