243 lines
6.2 KiB
C
243 lines
6.2 KiB
C
/*
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* Code generated from Atmel Start.
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*
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* This file will be overwritten when reconfiguring your Atmel Start project.
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* Please copy examples or other code you want to keep to a separate file
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* to avoid losing it when reconfiguring.
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*/
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#include "driver_init.h"
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#include <peripheral_clk_config.h>
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#include <utils.h>
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#include <hal_init.h>
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#include <hpl_gclk_base.h>
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#include <hpl_pm_base.h>
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/*! The buffer size for USART */
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#define USART_0_BUFFER_SIZE 16
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struct usart_async_descriptor USART_0;
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struct spi_m_sync_descriptor SPI_0;
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static uint8_t USART_0_buffer[USART_0_BUFFER_SIZE];
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void EXTERNAL_IRQ_0_init(void)
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{
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_gclk_enable_channel(EIC_GCLK_ID, CONF_GCLK_EIC_SRC);
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// Set pin direction to input
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gpio_set_pin_direction(PA00, GPIO_DIRECTION_IN);
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gpio_set_pin_pull_mode(PA00,
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// <y> Pull configuration
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// <id> pad_pull_config
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// <GPIO_PULL_OFF"> Off
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// <GPIO_PULL_UP"> Pull-up
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// <GPIO_PULL_DOWN"> Pull-down
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GPIO_PULL_OFF);
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gpio_set_pin_function(PA00, PINMUX_PA00A_EIC_EXTINT0);
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ext_irq_init();
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}
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/**
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* \brief USART Clock initialization function
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*
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* Enables register interface and peripheral clock
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*/
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void USART_0_CLOCK_init()
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{
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_pm_enable_bus_clock(PM_BUS_APBC, SERCOM0);
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_gclk_enable_channel(SERCOM0_GCLK_ID_CORE, CONF_GCLK_SERCOM0_CORE_SRC);
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}
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/**
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* \brief USART pinmux initialization function
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*
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* Set each required pin to USART functionality
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*/
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void USART_0_PORT_init()
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{
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gpio_set_pin_function(IN_UART_TX, PINMUX_PA08C_SERCOM0_PAD0);
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gpio_set_pin_function(OUT_UART_RX, PINMUX_PA09C_SERCOM0_PAD1);
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}
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/**
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* \brief USART initialization function
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*
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* Enables USART peripheral, clocks and initializes USART driver
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*/
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void USART_0_init(void)
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{
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USART_0_CLOCK_init();
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usart_async_init(&USART_0, SERCOM0, USART_0_buffer, USART_0_BUFFER_SIZE, (void *)NULL);
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USART_0_PORT_init();
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}
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void SPI_0_PORT_init(void)
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{
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// Set pin direction to input
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gpio_set_pin_direction(PA16, GPIO_DIRECTION_IN);
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gpio_set_pin_pull_mode(PA16,
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// <y> Pull configuration
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// <id> pad_pull_config
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// <GPIO_PULL_OFF"> Off
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// <GPIO_PULL_UP"> Pull-up
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// <GPIO_PULL_DOWN"> Pull-down
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GPIO_PULL_OFF);
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gpio_set_pin_function(PA16, PINMUX_PA16C_SERCOM1_PAD0);
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gpio_set_pin_level(PA18,
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// <y> Initial level
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// <id> pad_initial_level
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// <false"> Low
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// <true"> High
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false);
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// Set pin direction to output
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gpio_set_pin_direction(PA18, GPIO_DIRECTION_OUT);
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gpio_set_pin_function(PA18, PINMUX_PA18C_SERCOM1_PAD2);
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gpio_set_pin_level(PA19,
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// <y> Initial level
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// <id> pad_initial_level
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// <false"> Low
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// <true"> High
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false);
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// Set pin direction to output
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gpio_set_pin_direction(PA19, GPIO_DIRECTION_OUT);
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gpio_set_pin_function(PA19, PINMUX_PA19C_SERCOM1_PAD3);
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}
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void SPI_0_CLOCK_init(void)
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{
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_pm_enable_bus_clock(PM_BUS_APBC, SERCOM1);
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_gclk_enable_channel(SERCOM1_GCLK_ID_CORE, CONF_GCLK_SERCOM1_CORE_SRC);
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}
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void SPI_0_init(void)
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{
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SPI_0_CLOCK_init();
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spi_m_sync_init(&SPI_0, SERCOM1);
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SPI_0_PORT_init();
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}
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void system_init(void)
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{
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init_mcu();
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// GPIO on PA06
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gpio_set_pin_level(OUT_LED_TX,
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// <y> Initial level
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// <id> pad_initial_level
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// <false"> Low
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// <true"> High
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false);
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// Set pin direction to output
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gpio_set_pin_direction(OUT_LED_TX, GPIO_DIRECTION_OUT);
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gpio_set_pin_function(OUT_LED_TX, GPIO_PIN_FUNCTION_OFF);
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// GPIO on PA07
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gpio_set_pin_level(OUT_XBEE_REMOTE_RESET,
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// <y> Initial level
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// <id> pad_initial_level
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// <false"> Low
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// <true"> High
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false);
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// Set pin direction to output
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gpio_set_pin_direction(OUT_XBEE_REMOTE_RESET, GPIO_DIRECTION_OUT);
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gpio_set_pin_function(OUT_XBEE_REMOTE_RESET, GPIO_PIN_FUNCTION_OFF);
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// GPIO on PA14
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gpio_set_pin_level(OUT_XBEE_HEARTBEAT,
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// <y> Initial level
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// <id> pad_initial_level
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// <false"> Low
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// <true"> High
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false);
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// Set pin direction to output
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gpio_set_pin_direction(OUT_XBEE_HEARTBEAT, GPIO_DIRECTION_OUT);
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gpio_set_pin_function(OUT_XBEE_HEARTBEAT, GPIO_PIN_FUNCTION_OFF);
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// GPIO on PA15
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gpio_set_pin_level(OUT_LED_OTAU,
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// <y> Initial level
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// <id> pad_initial_level
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// <false"> Low
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// <true"> High
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false);
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// Set pin direction to output
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gpio_set_pin_direction(OUT_LED_OTAU, GPIO_DIRECTION_OUT);
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gpio_set_pin_function(OUT_LED_OTAU, GPIO_PIN_FUNCTION_OFF);
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// GPIO on PA17
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gpio_set_pin_level(OUT_SPI_CS,
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// <y> Initial level
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// <id> pad_initial_level
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// <false"> Low
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// <true"> High
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false);
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// Set pin direction to output
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gpio_set_pin_direction(OUT_SPI_CS, GPIO_DIRECTION_OUT);
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gpio_set_pin_function(OUT_SPI_CS, GPIO_PIN_FUNCTION_OFF);
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// GPIO on PA27
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gpio_set_pin_level(OUT_LED_LINK,
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// <y> Initial level
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// <id> pad_initial_level
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// <false"> Low
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// <true"> High
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false);
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// Set pin direction to output
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gpio_set_pin_direction(OUT_LED_LINK, GPIO_DIRECTION_OUT);
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gpio_set_pin_function(OUT_LED_LINK, GPIO_PIN_FUNCTION_OFF);
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// GPIO on PA28
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gpio_set_pin_level(OUT_LED_RX,
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// <y> Initial level
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// <id> pad_initial_level
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// <false"> Low
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// <true"> High
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false);
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// Set pin direction to output
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gpio_set_pin_direction(OUT_LED_RX, GPIO_DIRECTION_OUT);
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gpio_set_pin_function(OUT_LED_RX, GPIO_PIN_FUNCTION_OFF);
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EXTERNAL_IRQ_0_init();
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USART_0_init();
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SPI_0_init();
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}
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