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112 lines
2.8 KiB

/*
* 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>
struct spi_m_sync_descriptor SPI_SD_MMC;
struct usart_sync_descriptor USART_DBG;
void USART_DBG_PORT_init(void)
{
gpio_set_pin_function(PB25, PINMUX_PB25D_SERCOM2_PAD0);
gpio_set_pin_function(PB24, PINMUX_PB24D_SERCOM2_PAD1);
}
void USART_DBG_CLOCK_init(void)
{
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);
}
void USART_DBG_init(void)
{
USART_DBG_CLOCK_init();
usart_sync_init(&USART_DBG, SERCOM2, (void *)NULL);
USART_DBG_PORT_init();
}
void SPI_SD_MMC_PORT_init(void)
{
gpio_set_pin_level(PB27,
// <y> Initial level
// <id> pad_initial_level
// <false"> Low
// <true"> High
false);
// Set pin direction to output
gpio_set_pin_direction(PB27, GPIO_DIRECTION_OUT);
gpio_set_pin_function(PB27, PINMUX_PB27D_SERCOM4_PAD0);
gpio_set_pin_level(PB26,
// <y> Initial level
// <id> pad_initial_level
// <false"> Low
// <true"> High
false);
// Set pin direction to output
gpio_set_pin_direction(PB26, GPIO_DIRECTION_OUT);
gpio_set_pin_function(PB26, PINMUX_PB26D_SERCOM4_PAD1);
// Set pin direction to input
gpio_set_pin_direction(PB29, GPIO_DIRECTION_IN);
gpio_set_pin_pull_mode(PB29,
// <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(PB29, PINMUX_PB29D_SERCOM4_PAD3);
}
void SPI_SD_MMC_CLOCK_init(void)
{
hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM4_GCLK_ID_CORE, CONF_GCLK_SERCOM4_CORE_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));
hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM4_GCLK_ID_SLOW, CONF_GCLK_SERCOM4_SLOW_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos));
hri_mclk_set_APBDMASK_SERCOM4_bit(MCLK);
}
void SPI_SD_MMC_init(void)
{
SPI_SD_MMC_CLOCK_init();
spi_m_sync_init(&SPI_SD_MMC, SERCOM4);
SPI_SD_MMC_PORT_init();
}
void delay_driver_init(void)
{
delay_init(SysTick);
}
void system_init(void)
{
init_mcu();
USART_DBG_init();
SPI_SD_MMC_init();
delay_driver_init();
}