rt-thread/bsp/microchip/same54/bsp/driver_init.c

/*
 * 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_adc_base.h>

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

struct aes_sync_descriptor    CRYPTOGRAPHY_0;
struct usart_async_descriptor TARGET_IO;
struct can_async_descriptor   CAN_0;

static uint8_t TARGET_IO_buffer[TARGET_IO_BUFFER_SIZE];

struct adc_sync_descriptor ADC_0;

struct i2c_m_sync_desc I2C_0;

struct mac_async_descriptor MACIF;

void ADC_0_PORT_init(void)
{

	// Disable digital pin circuitry
	gpio_set_pin_direction(PA02, GPIO_DIRECTION_OFF);

	gpio_set_pin_function(PA02, PINMUX_PA02B_ADC0_AIN0);
}

void ADC_0_CLOCK_init(void)
{
	hri_mclk_set_APBDMASK_ADC0_bit(MCLK);
	hri_gclk_write_PCHCTRL_reg(GCLK, ADC0_GCLK_ID, CONF_GCLK_ADC0_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));
}

void ADC_0_init(void)
{
	ADC_0_CLOCK_init();
	ADC_0_PORT_init();
	adc_sync_init(&ADC_0, ADC0, (void *)NULL);
}

/**
 * \brief AES initialization function
 *
 * Enables AES peripheral, clocks and initializes AES driver
 */
void CRYPTOGRAPHY_0_init(void)
{
	hri_mclk_set_APBCMASK_AES_bit(MCLK);
	aes_sync_init(&CRYPTOGRAPHY_0, AES);
}

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

	hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM2_GCLK_ID_CORE, CONF_GCLK_SERCOM2_CORE_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));
	hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM2_GCLK_ID_SLOW, CONF_GCLK_SERCOM2_SLOW_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));

	hri_mclk_set_APBBMASK_SERCOM2_bit(MCLK);
}

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

	gpio_set_pin_function(PB25, PINMUX_PB25D_SERCOM2_PAD0);

	gpio_set_pin_function(PB24, PINMUX_PB24D_SERCOM2_PAD1);
}

/**
 * \brief USART initialization function
 *
 * Enables USART peripheral, clocks and initializes USART driver
 */
void TARGET_IO_init(void)
{
	TARGET_IO_CLOCK_init();
	usart_async_init(&TARGET_IO, SERCOM2, TARGET_IO_buffer, TARGET_IO_BUFFER_SIZE, (void *)NULL);
	TARGET_IO_PORT_init();
}

void I2C_0_PORT_init(void)
{

	gpio_set_pin_pull_mode(PD08,
	                       // <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(PD08, PINMUX_PD08C_SERCOM7_PAD0);

	gpio_set_pin_pull_mode(PD09,
	                       // <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(PD09, PINMUX_PD09C_SERCOM7_PAD1);
}

void I2C_0_CLOCK_init(void)
{
	hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM7_GCLK_ID_CORE, CONF_GCLK_SERCOM7_CORE_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));
	hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM7_GCLK_ID_SLOW, CONF_GCLK_SERCOM7_SLOW_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));

	hri_mclk_set_APBDMASK_SERCOM7_bit(MCLK);
}

void I2C_0_init(void)
{
	I2C_0_CLOCK_init();
	i2c_m_sync_init(&I2C_0, SERCOM7);
	I2C_0_PORT_init();
}

void CAN_0_PORT_init(void)
{

	gpio_set_pin_function(PB13, PINMUX_PB13H_CAN1_RX);

	gpio_set_pin_function(PB12, PINMUX_PB12H_CAN1_TX);
}
/**
 * \brief CAN initialization function
 *
 * Enables CAN peripheral, clocks and initializes CAN driver
 */
void CAN_0_init(void)
{
	hri_mclk_set_AHBMASK_CAN1_bit(MCLK);
	hri_gclk_write_PCHCTRL_reg(GCLK, CAN1_GCLK_ID, CONF_GCLK_CAN1_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));
	can_async_init(&CAN_0, CAN1);
	CAN_0_PORT_init();
}

void MACIF_PORT_init(void)
{

	gpio_set_pin_function(PC11, PINMUX_PC11L_GMAC_GMDC);

	gpio_set_pin_function(PC12, PINMUX_PC12L_GMAC_GMDIO);

	gpio_set_pin_function(PA13, PINMUX_PA13L_GMAC_GRX0);

	gpio_set_pin_function(PA12, PINMUX_PA12L_GMAC_GRX1);

	gpio_set_pin_function(PC20, PINMUX_PC20L_GMAC_GRXDV);

	gpio_set_pin_function(PA15, PINMUX_PA15L_GMAC_GRXER);

	gpio_set_pin_function(PA18, PINMUX_PA18L_GMAC_GTX0);

	gpio_set_pin_function(PA19, PINMUX_PA19L_GMAC_GTX1);

	gpio_set_pin_function(PA14, PINMUX_PA14L_GMAC_GTXCK);

	gpio_set_pin_function(PA17, PINMUX_PA17L_GMAC_GTXEN);
}

void MACIF_CLOCK_init(void)
{
	hri_mclk_set_AHBMASK_GMAC_bit(MCLK);
	hri_mclk_set_APBCMASK_GMAC_bit(MCLK);
}

void MACIF_init(void)
{
	MACIF_CLOCK_init();
	mac_async_init(&MACIF, GMAC);
	MACIF_PORT_init();
}

void MACIF_example(void)
{
	mac_async_enable(&MACIF);
	mac_async_write(&MACIF, (uint8_t *)"Hello World!", 12);
}

void system_init(void)
{
	init_mcu();

	// GPIO on PC18

	gpio_set_pin_level(LED0,
	                   // <y> Initial level
	                   // <id> pad_initial_level
	                   // <false"> Low
	                   // <true"> High
	                   false);

	// Set pin direction to output
	gpio_set_pin_direction(LED0, GPIO_DIRECTION_OUT);

	gpio_set_pin_function(LED0, GPIO_PIN_FUNCTION_OFF);

	ADC_0_init();
	CRYPTOGRAPHY_0_init();

	TARGET_IO_init();

	I2C_0_init();
	CAN_0_init();

	MACIF_init();
}