/*
 * Code generated from Atmel Start.
 *
 * This file will be overwritten when reconfiguring your Atmel Start project.
 * Please copy examples or other code you want to keep to a separate file
 * to avoid losing it when reconfiguring.
 */

#include "driver_init.h"
#include <peripheral_clk_config.h>
#include <utils.h>
#include <hal_init.h>
#include <hpl_gclk_base.h>
#include <hpl_pm_base.h>
#include <hpl_adc_base.h>
#include <hpl_rtc_base.h>

/*! The buffer size for USART */
#define USART_ASYNC_SERCOM2_BUFFER_SIZE 16

struct spi_m_sync_descriptor  SPI_M_SERCOM0;
struct usart_async_descriptor USART_ASYNC_SERCOM2;
struct timer_descriptor       TIMER_0;

static uint8_t USART_ASYNC_SERCOM2_buffer[USART_ASYNC_SERCOM2_BUFFER_SIZE];

struct adc_sync_descriptor ADC_0;

struct flash_descriptor FLASH_0;

struct i2c_m_sync_desc I2C_M_SYNC_SERCOM1;

struct spi_m_dma_descriptor SPI_M_DMA_SERCOM3;

struct pwm_descriptor PWM_0;

struct dac_sync_descriptor DAC_0;

void ADC_0_PORT_init(void)
{
}

void ADC_0_CLOCK_init(void)
{
	_pm_enable_bus_clock(PM_BUS_APBC, ADC);
	_gclk_enable_channel(ADC_GCLK_ID, CONF_GCLK_ADC_SRC);
}

void ADC_0_init(void)
{
	ADC_0_CLOCK_init();
	ADC_0_PORT_init();
	adc_sync_init(&ADC_0, ADC, (void *)NULL);
}

void FLASH_0_CLOCK_init(void)
{

	_pm_enable_bus_clock(PM_BUS_APBB, NVMCTRL);
}

void FLASH_0_init(void)
{
	FLASH_0_CLOCK_init();
	flash_init(&FLASH_0, NVMCTRL);
}

void SPI_M_SERCOM0_PORT_init(void)
{

	// Set pin direction to output
	gpio_set_pin_direction(PA04, GPIO_DIRECTION_OUT);

	gpio_set_pin_level(PA04,
	                   // <y> Initial level
	                   // <id> pad_initial_level
	                   // <false"> Low
	                   // <true"> High
	                   false);

	gpio_set_pin_function(PA04, PINMUX_PA04D_SERCOM0_PAD0);

	// Set pin direction to output
	gpio_set_pin_direction(PA05, GPIO_DIRECTION_OUT);

	gpio_set_pin_level(PA05,
	                   // <y> Initial level
	                   // <id> pad_initial_level
	                   // <false"> Low
	                   // <true"> High
	                   false);

	gpio_set_pin_function(PA05, PINMUX_PA05D_SERCOM0_PAD1);

	// Set pin direction to input
	gpio_set_pin_direction(PA06, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA06,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA06, PINMUX_PA06D_SERCOM0_PAD2);
}

void SPI_M_SERCOM0_CLOCK_init(void)
{
	_pm_enable_bus_clock(PM_BUS_APBC, SERCOM0);
	_gclk_enable_channel(SERCOM0_GCLK_ID_CORE, CONF_GCLK_SERCOM0_CORE_SRC);
}

void SPI_M_SERCOM0_init(void)
{
	SPI_M_SERCOM0_CLOCK_init();
	spi_m_sync_init(&SPI_M_SERCOM0, SERCOM0);
	SPI_M_SERCOM0_PORT_init();
}

void I2C_M_SYNC_SERCOM1_PORT_init(void)
{

	gpio_set_pin_pull_mode(PA16,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA16, PINMUX_PA16C_SERCOM1_PAD0);

	gpio_set_pin_pull_mode(PA17,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA17, PINMUX_PA17C_SERCOM1_PAD1);
}

void I2C_M_SYNC_SERCOM1_CLOCK_init(void)
{
	_pm_enable_bus_clock(PM_BUS_APBC, SERCOM1);
	_gclk_enable_channel(SERCOM1_GCLK_ID_CORE, CONF_GCLK_SERCOM1_CORE_SRC);
	_gclk_enable_channel(SERCOM1_GCLK_ID_SLOW, CONF_GCLK_SERCOM1_SLOW_SRC);
}

void I2C_M_SYNC_SERCOM1_init(void)
{
	I2C_M_SYNC_SERCOM1_CLOCK_init();
	i2c_m_sync_init(&I2C_M_SYNC_SERCOM1, SERCOM1);
	I2C_M_SYNC_SERCOM1_PORT_init();
}

/**
 * \brief USART Clock initialization function
 *
 * Enables register interface and peripheral clock
 */
void USART_ASYNC_SERCOM2_CLOCK_init()
{

	_pm_enable_bus_clock(PM_BUS_APBC, SERCOM2);
	_gclk_enable_channel(SERCOM2_GCLK_ID_CORE, CONF_GCLK_SERCOM2_CORE_SRC);
}

/**
 * \brief USART pinmux initialization function
 *
 * Set each required pin to USART functionality
 */
void USART_ASYNC_SERCOM2_PORT_init()
{

	gpio_set_pin_function(PA08, PINMUX_PA08D_SERCOM2_PAD0);

	gpio_set_pin_function(PA09, PINMUX_PA09D_SERCOM2_PAD1);
}

/**
 * \brief USART initialization function
 *
 * Enables USART peripheral, clocks and initializes USART driver
 */
void USART_ASYNC_SERCOM2_init(void)
{
	USART_ASYNC_SERCOM2_CLOCK_init();
	usart_async_init(
	    &USART_ASYNC_SERCOM2, SERCOM2, USART_ASYNC_SERCOM2_buffer, USART_ASYNC_SERCOM2_BUFFER_SIZE, (void *)NULL);
	USART_ASYNC_SERCOM2_PORT_init();
}

void SPI_M_DMA_SERCOM3_PORT_init(void)
{

	// Set pin direction to input
	gpio_set_pin_direction(PA22, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA22,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA22, PINMUX_PA22C_SERCOM3_PAD0);

	// Set pin direction to output
	gpio_set_pin_direction(PA20, GPIO_DIRECTION_OUT);

	gpio_set_pin_level(PA20,
	                   // <y> Initial level
	                   // <id> pad_initial_level
	                   // <false"> Low
	                   // <true"> High
	                   false);

	gpio_set_pin_function(PA20, PINMUX_PA20D_SERCOM3_PAD2);

	// Set pin direction to output
	gpio_set_pin_direction(PA19, GPIO_DIRECTION_OUT);

	gpio_set_pin_level(PA19,
	                   // <y> Initial level
	                   // <id> pad_initial_level
	                   // <false"> Low
	                   // <true"> High
	                   false);

	gpio_set_pin_function(PA19, PINMUX_PA19D_SERCOM3_PAD3);
}

void SPI_M_DMA_SERCOM3_CLOCK_init(void)
{
	_pm_enable_bus_clock(PM_BUS_APBC, SERCOM3);
	_gclk_enable_channel(SERCOM3_GCLK_ID_CORE, CONF_GCLK_SERCOM3_CORE_SRC);
}

void SPI_M_DMA_SERCOM3_init(void)
{
	SPI_M_DMA_SERCOM3_CLOCK_init();
	spi_m_dma_init(&SPI_M_DMA_SERCOM3, SERCOM3);
	SPI_M_DMA_SERCOM3_PORT_init();
}

void delay_driver_init(void)
{
	delay_init(SysTick);
}

/**
 * \brief Timer initialization function
 *
 * Enables Timer peripheral, clocks and initializes Timer driver
 */
static void TIMER_0_init(void)
{
	_pm_enable_bus_clock(PM_BUS_APBA, RTC);
	_gclk_enable_channel(RTC_GCLK_ID, CONF_GCLK_RTC_SRC);
	timer_init(&TIMER_0, RTC, _rtc_get_timer());
}

void PWM_0_PORT_init(void)
{
}

void PWM_0_CLOCK_init(void)
{
	_pm_enable_bus_clock(PM_BUS_APBC, TC3);
	_gclk_enable_channel(TC3_GCLK_ID, CONF_GCLK_TC3_SRC);
}

void PWM_0_init(void)
{
	PWM_0_CLOCK_init();
	PWM_0_PORT_init();
	pwm_init(&PWM_0, TC3, _tc_get_pwm());
}

void DAC_0_PORT_init(void)
{
}

void DAC_0_CLOCK_init(void)
{

	_pm_enable_bus_clock(PM_BUS_APBC, DAC);
	_gclk_enable_channel(DAC_GCLK_ID, CONF_GCLK_DAC_SRC);
}

void DAC_0_init(void)
{
	DAC_0_CLOCK_init();
	dac_sync_init(&DAC_0, DAC);
	DAC_0_PORT_init();
}

void USB_0_PORT_init(void)
{

	gpio_set_pin_direction(PA24,
	                       // <y> Pin direction
	                       // <id> pad_direction
	                       // <GPIO_DIRECTION_OFF"> Off
	                       // <GPIO_DIRECTION_IN"> In
	                       // <GPIO_DIRECTION_OUT"> Out
	                       GPIO_DIRECTION_OUT);

	gpio_set_pin_level(PA24,
	                   // <y> Initial level
	                   // <id> pad_initial_level
	                   // <false"> Low
	                   // <true"> High
	                   false);

	gpio_set_pin_pull_mode(PA24,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA24,
	                      // <y> Pin function
	                      // <id> pad_function
	                      // <i> Auto : use driver pinmux if signal is imported by driver, else turn off function
	                      // <PINMUX_PA24G_USB_DM"> Auto
	                      // <GPIO_PIN_FUNCTION_OFF"> Off
	                      // <GPIO_PIN_FUNCTION_A"> A
	                      // <GPIO_PIN_FUNCTION_B"> B
	                      // <GPIO_PIN_FUNCTION_C"> C
	                      // <GPIO_PIN_FUNCTION_D"> D
	                      // <GPIO_PIN_FUNCTION_E"> E
	                      // <GPIO_PIN_FUNCTION_F"> F
	                      // <GPIO_PIN_FUNCTION_G"> G
	                      // <GPIO_PIN_FUNCTION_H"> H
	                      PINMUX_PA24G_USB_DM);

	gpio_set_pin_direction(PA25,
	                       // <y> Pin direction
	                       // <id> pad_direction
	                       // <GPIO_DIRECTION_OFF"> Off
	                       // <GPIO_DIRECTION_IN"> In
	                       // <GPIO_DIRECTION_OUT"> Out
	                       GPIO_DIRECTION_OUT);

	gpio_set_pin_level(PA25,
	                   // <y> Initial level
	                   // <id> pad_initial_level
	                   // <false"> Low
	                   // <true"> High
	                   false);

	gpio_set_pin_pull_mode(PA25,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA25,
	                      // <y> Pin function
	                      // <id> pad_function
	                      // <i> Auto : use driver pinmux if signal is imported by driver, else turn off function
	                      // <PINMUX_PA25G_USB_DP"> Auto
	                      // <GPIO_PIN_FUNCTION_OFF"> Off
	                      // <GPIO_PIN_FUNCTION_A"> A
	                      // <GPIO_PIN_FUNCTION_B"> B
	                      // <GPIO_PIN_FUNCTION_C"> C
	                      // <GPIO_PIN_FUNCTION_D"> D
	                      // <GPIO_PIN_FUNCTION_E"> E
	                      // <GPIO_PIN_FUNCTION_F"> F
	                      // <GPIO_PIN_FUNCTION_G"> G
	                      // <GPIO_PIN_FUNCTION_H"> H
	                      PINMUX_PA25G_USB_DP);
}

/* The USB module requires a GCLK_USB of 48 MHz ~ 0.25% clock
 * for low speed and full speed operation. */
#if (CONF_GCLK_USB_FREQUENCY > (48000000 + 48000000 / 400)) || (CONF_GCLK_USB_FREQUENCY < (48000000 - 48000000 / 400))
#warning USB clock should be 48MHz ~ 0.25% clock, check your configuration!
#endif

void USB_0_CLOCK_init(void)
{

	_pm_enable_bus_clock(PM_BUS_APBB, USB);
	_pm_enable_bus_clock(PM_BUS_AHB, USB);
	_gclk_enable_channel(USB_GCLK_ID, CONF_GCLK_USB_SRC);
}

void USB_0_init(void)
{
	USB_0_CLOCK_init();
	usb_d_init();
	USB_0_PORT_init();
}

void system_init(void)
{
	init_mcu();

	// GPIO on PA02

	// Set pin direction to input
	gpio_set_pin_direction(PA02, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA02,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA02, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA03

	// Set pin direction to input
	gpio_set_pin_direction(PA03, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA03,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA03, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA07

	// Set pin direction to input
	gpio_set_pin_direction(PA07, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA07,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA07, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA10

	// Set pin direction to input
	gpio_set_pin_direction(PA10, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA10,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA10, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA11

	// Set pin direction to input
	gpio_set_pin_direction(PA11, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA11,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA11, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA13

	// Set pin direction to input
	gpio_set_pin_direction(PA13, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA13,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA13, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA14

	// Set pin direction to input
	gpio_set_pin_direction(PA14, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA14,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA14, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA15

	// Set pin direction to input
	gpio_set_pin_direction(PA15, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA15,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA15, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA18

	// Set pin direction to input
	gpio_set_pin_direction(PA18, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA18,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA18, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA23

	// Set pin direction to input
	gpio_set_pin_direction(PA23, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA23,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA23, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA27

	// Set pin direction to input
	gpio_set_pin_direction(PA27, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA27,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA27, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA28

	// Set pin direction to input
	gpio_set_pin_direction(PA28, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA28,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA28, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA30

	// Set pin direction to input
	gpio_set_pin_direction(PA30, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA30,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA30, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PA31

	// Set pin direction to input
	gpio_set_pin_direction(PA31, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PA31,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PA31, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PB02

	// Set pin direction to input
	gpio_set_pin_direction(PB02, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PB02,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PB02, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PB03

	// Set pin direction to input
	gpio_set_pin_direction(PB03, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PB03,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PB03, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PB08

	// Set pin direction to input
	gpio_set_pin_direction(PB08, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PB08,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PB08, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PB09

	// Set pin direction to input
	gpio_set_pin_direction(PB09, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PB09,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PB09, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PB22

	// Set pin direction to input
	gpio_set_pin_direction(PB22, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PB22,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PB22, GPIO_PIN_FUNCTION_OFF);

	// GPIO on PB23

	// Set pin direction to input
	gpio_set_pin_direction(PB23, GPIO_DIRECTION_IN);

	gpio_set_pin_pull_mode(PB23,
	                       // <y> Pull configuration
	                       // <id> pad_pull_config
	                       // <GPIO_PULL_OFF"> Off
	                       // <GPIO_PULL_UP"> Pull-up
	                       // <GPIO_PULL_DOWN"> Pull-down
	                       GPIO_PULL_OFF);

	gpio_set_pin_function(PB23, GPIO_PIN_FUNCTION_OFF);

	ADC_0_init();

	FLASH_0_init();

	SPI_M_SERCOM0_init();

	I2C_M_SYNC_SERCOM1_init();
	USART_ASYNC_SERCOM2_init();

	SPI_M_DMA_SERCOM3_init();

	delay_driver_init();

	TIMER_0_init();

	PWM_0_init();

	DAC_0_init();

	USB_0_init();
}