#!/usr/bin/python3

def defines(name, suffix):
    print(f'mcu_pin_function_t {name} [] = {{')
    for instance in (0, 1):
        for function in 'HI':
            for port in 'ABCD':
                for idx in range(32):
                    pin = f'P{port}{idx:02d}'
                    pinmux = f'PINMUX_{pin}{function}_CAN{instance}_{suffix}'
                    print(f'''\
#if defined({pinmux}) && ! defined(IGNORE_PIN_{pin})
    {{&pin_{pin}, {instance}, PIN_{pin}, {pinmux} & 0xffff}},
#endif''')
    print(f'{{NULL, 0, 0}}')
    print(f'}};')
    print()

print('''\
#include <stdint.h>
#include "py/obj.h"
#include "sam.h"
#include "samd/pins.h"
#include "mpconfigport.h"
#include "atmel_start_pins.h"
#include "hal/include/hal_gpio.h"
#include "common-hal/microcontroller/Pin.h"
''')

defines('can_rx', 'RX')
defines('can_tx', 'TX')