periph_conf.h File Reference

Peripheral MCU configuration for the Acmesystems YARM board. More...

Detailed Description

Peripheral MCU configuration for the Acmesystems YARM board.

Author

Antonio Galea anton.nosp@m.io.g.nosp@m.alea@.nosp@m.gmai.nosp@m.l.com

Definition in file periph_conf.h.

#include "periph_cpu.h"

Include dependency graph for periph_conf.h:

Go to the source code of this file.

#define	CLOCK_CORECLOCK   (48000000U)
	GCLK reference speed.
#define	USE_VREG_BUCK   (1)
	Enable the internal DC/DC converter The board is equipped with the necessary inductor.

Timer peripheral configuration
#define	TIMER_0_CHANNELS   2
#define	TIMER_0_ISR   isr_tc0
#define	TIMER_NUMOF   ARRAY_SIZE(timer_config)
static const tc32_conf_t	timer_config []

UART configuration
#define	UART_0_ISR   isr_sercom3
#define	UART_NUMOF   ARRAY_SIZE(uart_config)
static const uart_conf_t	uart_config []

SPI configuration
#define	SPI_NUMOF   ARRAY_SIZE(spi_config)
static const spi_conf_t	spi_config []

I2C configuration
#define	I2C_NUMOF   ARRAY_SIZE(i2c_config)
static const i2c_conf_t	i2c_config []

RTC configuration
#define	EXTERNAL_OSC32_SOURCE   1
#define	INTERNAL_OSC32_SOURCE   0
#define	ULTRA_LOW_POWER_INTERNAL_OSC_SOURCE   0

RTT configuration
#define	RTT_FREQUENCY   (32768U)

ADC Configuration
#define	ADC_PRESCALER   ADC_CTRLB_PRESCALER_DIV256
#define	ADC_NEG_INPUT   ADC_INPUTCTRL_MUXNEG(0x18u)
#define	ADC_REF_DEFAULT   ADC_REFCTRL_REFSEL_INTVCC2
#define	ADC_NUMOF   ARRAY_SIZE(adc_channels)
static const adc_conf_chan_t	adc_channels []

USB peripheral configuration
static const sam0_common_usb_config_t	sam_usbdev_config []

Variable Documentation

adc_channels

const adc_conf_chan_t adc_channels[]

static

Initial value:

= {
    
    {GPIO_PIN(PA, 10), ADC_INPUTCTRL_MUXPOS(ADC_INPUTCTRL_MUXPOS_AIN18)},
    {GPIO_PIN(PA, 11), ADC_INPUTCTRL_MUXPOS(ADC_INPUTCTRL_MUXPOS_AIN19)},
    {GPIO_PIN(PA, 2), ADC_INPUTCTRL_MUXPOS(ADC_INPUTCTRL_MUXPOS_AIN0)},
    {GPIO_PIN(PA, 3), ADC_INPUTCTRL_MUXPOS(ADC_INPUTCTRL_MUXPOS_AIN1)}
}

Definition at line 164 of file periph_conf.h.

i2c_config

const i2c_conf_t i2c_config[]

static

Initial value:

= {
    {
        .dev      = &(SERCOM2->I2CM),
        .speed    = I2C_SPEED_NORMAL,
        .scl_pin  = GPIO_PIN(PA, 9),
        .sda_pin  = GPIO_PIN(PA, 8),
        .mux      = GPIO_MUX_D,
        .gclk_src = SAM0_GCLK_MAIN,
        .flags    = I2C_FLAG_NONE
    }
}

Definition at line 119 of file periph_conf.h.

sam_usbdev_config

const sam0_common_usb_config_t sam_usbdev_config[]

static

Initial value:

= {
    {
        .dm     = GPIO_PIN(PA, 24),
        .dp     = GPIO_PIN(PA, 25),
        .d_mux  = GPIO_MUX_G,
        .device = &USB->DEVICE,
        .gclk_src = SAM0_GCLK_48MHZ,
    }
}

Definition at line 179 of file periph_conf.h.

spi_config

const spi_conf_t spi_config[]

static

Initial value:

= {
    {
        .dev      = &(SERCOM0->SPI),
        .miso_pin = GPIO_PIN(PA, 4),
        .mosi_pin = GPIO_PIN(PA, 6),
        .clk_pin  = GPIO_PIN(PA, 7),
        .miso_mux = GPIO_MUX_D,
        .mosi_mux = GPIO_MUX_D,
        .clk_mux  = GPIO_MUX_D,
        .miso_pad = SPI_PAD_MISO_0,
        .mosi_pad = SPI_PAD_MOSI_2_SCK_3,
        .gclk_src = SAM0_GCLK_MAIN,
 
 
 
 
    }
}

Definition at line 93 of file periph_conf.h.

timer_config

const tc32_conf_t timer_config[]

static

Initial value:

= {
    {   
        .dev            = TC0,
        .irq            = TC0_IRQn,
        .mclk           = &MCLK->APBCMASK.reg,
        .mclk_mask      = MCLK_APBCMASK_TC0 | MCLK_APBCMASK_TC1,
        .gclk_id        = TC0_GCLK_ID,
        .gclk_src       = SAM0_GCLK_8MHZ,
        .flags          = TC_CTRLA_MODE_COUNT32,
    }
}

Definition at line 44 of file periph_conf.h.

uart_config

const uart_conf_t uart_config[]

static

Initial value:

= {
    {
        .dev      = &SERCOM3->USART,
        .rx_pin   = GPIO_PIN(PA, 23),
        .tx_pin   = GPIO_PIN(PA, 22),
 
 
 
 
        .mux      = GPIO_MUX_C,
        .rx_pad   = UART_PAD_RX_1,
        .tx_pad   = UART_PAD_TX_0,
        .flags    = UART_FLAG_NONE,
        .gclk_src = SAM0_GCLK_MAIN,
    }
}

Definition at line 66 of file periph_conf.h.