/* * 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 #include #include struct usart_sync_descriptor TARGET_IO; struct spi_m_dma_descriptor SPI_0; struct spi_s_sync_descriptor SPI_1; void TARGET_IO_PORT_init(void) { gpio_set_pin_function(PB25, PINMUX_PB25D_SERCOM2_PAD0); gpio_set_pin_function(PB24, PINMUX_PB24D_SERCOM2_PAD1); } void TARGET_IO_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 TARGET_IO_init(void) { TARGET_IO_CLOCK_init(); usart_sync_init(&TARGET_IO, SERCOM2, (void *)NULL); TARGET_IO_PORT_init(); } void SPI_0_PORT_init(void) { gpio_set_pin_level(PB27, // Initial level // pad_initial_level // Low // 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, // Initial level // pad_initial_level // Low // 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, // Pull configuration // pad_pull_config // Off // Pull-up // Pull-down GPIO_PULL_OFF); gpio_set_pin_function(PB29, PINMUX_PB29D_SERCOM4_PAD3); } void SPI_0_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_0_init(void) { SPI_0_CLOCK_init(); spi_m_dma_init(&SPI_0, SERCOM4); SPI_0_PORT_init(); } void SPI_1_PORT_init(void) { // Set pin direction to input gpio_set_pin_direction(PC04, GPIO_DIRECTION_IN); gpio_set_pin_pull_mode(PC04, // Pull configuration // pad_pull_config // Off // Pull-up // Pull-down GPIO_PULL_OFF); gpio_set_pin_function(PC04, PINMUX_PC04C_SERCOM6_PAD0); gpio_set_pin_level(PC05, // Initial level // pad_initial_level // Low // High false); // Set pin direction to output gpio_set_pin_direction(PC05, GPIO_DIRECTION_OUT); gpio_set_pin_function(PC05, PINMUX_PC05C_SERCOM6_PAD1); // Set pin direction to input gpio_set_pin_direction(PC06, GPIO_DIRECTION_IN); gpio_set_pin_pull_mode(PC06, // Pull configuration // pad_pull_config // Off // Pull-up // Pull-down GPIO_PULL_OFF); gpio_set_pin_function(PC06, PINMUX_PC06C_SERCOM6_PAD2); gpio_set_pin_level(PC07, // Initial level // pad_initial_level // Low // High false); // Set pin direction to output gpio_set_pin_direction(PC07, GPIO_DIRECTION_OUT); gpio_set_pin_function(PC07, PINMUX_PC07C_SERCOM6_PAD3); } void SPI_1_CLOCK_init(void) { hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM6_GCLK_ID_CORE, CONF_GCLK_SERCOM6_CORE_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos)); hri_gclk_write_PCHCTRL_reg(GCLK, SERCOM6_GCLK_ID_SLOW, CONF_GCLK_SERCOM6_SLOW_SRC | (1 << GCLK_PCHCTRL_CHEN_Pos)); hri_mclk_set_APBDMASK_SERCOM6_bit(MCLK); } void SPI_1_init(void) { SPI_1_CLOCK_init(); spi_s_sync_init(&SPI_1, SERCOM6); SPI_1_PORT_init(); } void system_init(void) { init_mcu(); // GPIO on PB28 gpio_set_pin_level(SPI_CS, // Initial level // pad_initial_level // Low // High true); // Set pin direction to output gpio_set_pin_direction(SPI_CS, GPIO_DIRECTION_OUT); gpio_set_pin_function(SPI_CS, GPIO_PIN_FUNCTION_OFF); TARGET_IO_init(); SPI_0_init(); SPI_1_init(); }