Configuration of CPU peripherals for the Microchip SAM E51 Curiosity Nano board. More...

Detailed Description

Configuration of CPU peripherals for the Microchip SAM E51 Curiosity Nano board.

Author: Benjamin Valentin benja.nosp@m.min..nosp@m.valen.nosp@m.tin@.nosp@m.ml-pa.nosp@m..com

Definition in file periph_conf.h.

#include "periph_cpu.h"

Include dependency graph for periph_conf.h:

Macros
#define	USE_VREG_BUCK (1)
	Enable the internal DC/DC converter The board is equipped with the necessary inductor.

desired core clock frequency
#define	CLOCK_CORECLOCK MHZ(120)

32kHz Oscillator configuration
#define	EXTERNAL_OSC32_SOURCE 1

#define	ULTRA_LOW_POWER_INTERNAL_OSC_SOURCE 0

Timer peripheral configuration
#define	TIMER_0_CHANNELS 2

#define	TIMER_0_ISR isr_tc0

#define	TIMER_1_CHANNELS 2

#define	TIMER_1_ISR isr_tc2

#define	TIMER_NUMOF ARRAY_SIZE(timer_config)

static const tc32_conf_t	timer_config []

CAN configuration
#define	ISR_CAN0 isr_can0
	CAN 0 ISR configuration.

#define	ISR_CAN1 isr_can1
	CAN 1 ISR configuration.

#define	CAN_NUMOF ARRAY_SIZE(candev_conf)
	Number of CAN interfaces.

static const can_conf_t	candev_conf []
	Available CAN interfaces.

UART configuration
#define	UART_0_ISR isr_sercom5_2

#define	UART_0_ISR_TX isr_sercom5_0

#define	UART_1_ISR isr_sercom4_2

#define	UART_1_ISR_TX isr_sercom4_0

#define	UART_2_ISR isr_sercom0_2

#define	UART_2_ISR_TX isr_sercom0_0

#define	UART_3_ISR isr_sercom3_2

#define	UART_3_ISR_TX isr_sercom3_0

#define	UART_NUMOF ARRAY_SIZE(uart_config)

static const uart_conf_t	uart_config []

PWM configuration
#define	PWM_NUMOF ARRAY_SIZE(pwm_config)

static const pwm_conf_chan_t	pwm_chan0_config []

static const pwm_conf_t	pwm_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 []

RTT configuration
#define	RTT_FREQUENCY (32768U)

ADC Configuration
#define	ADC_GCLK_SRC SAM0_GCLK_PERIPH
	clock used for ADC

#define	ADC_PRESCALER ADC_CTRLA_PRESCALER_DIV8

#define	ADC_NEG_INPUT ADC_INPUTCTRL_MUXNEG(0x18u)

#define	ADC_REF_DEFAULT ADC_REFCTRL_REFSEL_INTVCC1

#define	ADC_NUMOF ARRAY_SIZE(adc_channels)

static const adc_conf_chan_t	adc_channels []

DAC configuration
#define	DAC_CLOCK SAM0_GCLK_TIMER

#define	DAC_VREF DAC_CTRLB_REFSEL_VREFPU

USB peripheral configuration
Pins are only routed to solder pads on the board, no connector populated
static const sam0_common_usb_config_t	sam_usbdev_config []

Macro Definition Documentation

◆ ADC_GCLK_SRC

#define ADC_GCLK_SRC SAM0_GCLK_PERIPH

clock used for ADC

Definition at line 300 of file periph_conf.h.

◆ ADC_NEG_INPUT

#define ADC_NEG_INPUT ADC_INPUTCTRL_MUXNEG(0x18u)

Definition at line 303 of file periph_conf.h.

◆ ADC_NUMOF

#define ADC_NUMOF ARRAY_SIZE(adc_channels)

Definition at line 325 of file periph_conf.h.

◆ ADC_PRESCALER

#define ADC_PRESCALER ADC_CTRLA_PRESCALER_DIV8

Definition at line 301 of file periph_conf.h.

◆ ADC_REF_DEFAULT

#define ADC_REF_DEFAULT ADC_REFCTRL_REFSEL_INTVCC1

Definition at line 304 of file periph_conf.h.

◆ CAN_NUMOF

#define CAN_NUMOF ARRAY_SIZE(candev_conf)

Number of CAN interfaces.

Definition at line 111 of file periph_conf.h.

◆ CLOCK_CORECLOCK

#define CLOCK_CORECLOCK MHZ(120)

Definition at line 30 of file periph_conf.h.

◆ DAC_CLOCK

#define DAC_CLOCK SAM0_GCLK_TIMER

Definition at line 333 of file periph_conf.h.

◆ DAC_VREF

#define DAC_VREF DAC_CTRLB_REFSEL_VREFPU

Definition at line 337 of file periph_conf.h.

◆ EXTERNAL_OSC32_SOURCE

#define EXTERNAL_OSC32_SOURCE 1

Definition at line 38 of file periph_conf.h.

◆ I2C_NUMOF

#define I2C_NUMOF ARRAY_SIZE(i2c_config)

Definition at line 265 of file periph_conf.h.

◆ ISR_CAN0

#define ISR_CAN0 isr_can0

CAN 0 ISR configuration.

Definition at line 105 of file periph_conf.h.

◆ ISR_CAN1

#define ISR_CAN1 isr_can1

CAN 1 ISR configuration.

Definition at line 108 of file periph_conf.h.

◆ PWM_NUMOF

#define PWM_NUMOF ARRAY_SIZE(pwm_config)

Definition at line 219 of file periph_conf.h.

◆ RTT_FREQUENCY

#define RTT_FREQUENCY (32768U)

Definition at line 273 of file periph_conf.h.

◆ SPI_NUMOF

#define SPI_NUMOF ARRAY_SIZE(spi_config)

Definition at line 246 of file periph_conf.h.

◆ TIMER_0_CHANNELS

#define TIMER_0_CHANNELS 2

Definition at line 74 of file periph_conf.h.

◆ TIMER_0_ISR

#define TIMER_0_ISR isr_tc0

Definition at line 75 of file periph_conf.h.

◆ TIMER_1_CHANNELS

#define TIMER_1_CHANNELS 2

Definition at line 78 of file periph_conf.h.

◆ TIMER_1_ISR

#define TIMER_1_ISR isr_tc2

Definition at line 79 of file periph_conf.h.

◆ TIMER_NUMOF

#define TIMER_NUMOF ARRAY_SIZE(timer_config)

Definition at line 81 of file periph_conf.h.

◆ UART_0_ISR

#define UART_0_ISR isr_sercom5_2

Definition at line 178 of file periph_conf.h.

◆ UART_0_ISR_TX

#define UART_0_ISR_TX isr_sercom5_0

Definition at line 179 of file periph_conf.h.

◆ UART_1_ISR

#define UART_1_ISR isr_sercom4_2

Definition at line 181 of file periph_conf.h.

◆ UART_1_ISR_TX

#define UART_1_ISR_TX isr_sercom4_0

Definition at line 182 of file periph_conf.h.

◆ UART_2_ISR

#define UART_2_ISR isr_sercom0_2

Definition at line 184 of file periph_conf.h.

◆ UART_2_ISR_TX

#define UART_2_ISR_TX isr_sercom0_0

Definition at line 185 of file periph_conf.h.

◆ UART_3_ISR

#define UART_3_ISR isr_sercom3_2

Definition at line 187 of file periph_conf.h.

◆ UART_3_ISR_TX

#define UART_3_ISR_TX isr_sercom3_0

Definition at line 188 of file periph_conf.h.

◆ UART_NUMOF

#define UART_NUMOF ARRAY_SIZE(uart_config)

Definition at line 190 of file periph_conf.h.

◆ ULTRA_LOW_POWER_INTERNAL_OSC_SOURCE

#define ULTRA_LOW_POWER_INTERNAL_OSC_SOURCE 0

Definition at line 39 of file periph_conf.h.

◆ USE_VREG_BUCK

#define USE_VREG_BUCK (1)

Enable the internal DC/DC converter The board is equipped with the necessary inductor.

Definition at line 46 of file periph_conf.h.

Variable Documentation

◆ adc_channels

const adc_conf_chan_t adc_channels[]

static

Initial value:

= {
    
    { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA07, .dev = ADC0 },
    { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA04, .dev = ADC0 },
    { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PB09, .dev = ADC0 },
    { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA11, .dev = ADC0 },
    { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA10, .dev = ADC0 },
    { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PB08, .dev = ADC0 },
    { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PB03, .dev = ADC0 },
    { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA02, .dev = ADC0 },
    { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PB04, .dev = ADC1 },
    { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PB05, .dev = ADC1 },
    { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PB06, .dev = ADC1 },
    { .inputctrl = ADC1_INPUTCTRL_MUXPOS_PB07, .dev = ADC1 },
    { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PB01, .dev = ADC0 },
    { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PB00, .dev = ADC0 },
    { .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA03, .dev = ADC0 },
}

Definition at line 306 of file periph_conf.h.

◆ candev_conf

const can_conf_t candev_conf[]

static

Initial value:

= {
    {
        .can = CAN0,
        .rx_pin = GPIO_PIN(PA, 22),
        .tx_pin = GPIO_PIN(PB, 23),
        .gclk_src = SAM0_GCLK_PERIPH,
    },
    {
        .can = CAN1,
        .rx_pin = GPIO_PIN(PB, 15),
        .tx_pin = GPIO_PIN(PB, 14),
        .gclk_src = SAM0_GCLK_PERIPH,
    }
}

Available CAN interfaces.

Definition at line 89 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, 13),
        .sda_pin  = GPIO_PIN(PA, 12),
        .mux      = GPIO_MUX_C,
        .gclk_src = SAM0_GCLK_PERIPH,
        .flags    = I2C_FLAG_NONE
    },
}

Definition at line 253 of file periph_conf.h.

◆ pwm_chan0_config

const pwm_conf_chan_t pwm_chan0_config[]

static

Initial value:

= {
    
    {
        .pin  = GPIO_PIN(PA, 14),   
        .mux  = GPIO_MUX_F,
        .chan = 0,
    },
}

Definition at line 199 of file periph_conf.h.

◆ pwm_config

const pwm_conf_t pwm_config[]

static

Initial value:

= {
    {
        .tim  = TCC_CONFIG(TCC2),
        .chan = pwm_chan0_config,
        .chan_numof = ARRAY_SIZE(pwm_chan0_config),
        .gclk_src = SAM0_GCLK_48MHZ,
    },
}

Definition at line 209 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_H,
        .device = &USB->DEVICE,
        .gclk_src = SAM0_GCLK_PERIPH,
    }
}

Definition at line 283 of file periph_conf.h.

◆ spi_config

const spi_conf_t spi_config[]

static

Initial value:

= {
    {
        .dev      = &SERCOM1->SPI,
        .miso_pin = GPIO_PIN(PA, 19),
        .mosi_pin = GPIO_PIN(PA, 16),
        .clk_pin  = GPIO_PIN(PA, 27),
        .miso_mux = GPIO_MUX_C,
        .mosi_mux = GPIO_MUX_C,
        .clk_mux  = GPIO_MUX_C,
        .miso_pad = SPI_PAD_MISO_3,
        .mosi_pad = SPI_PAD_MOSI_0_SCK_1,
        .gclk_src = SAM0_GCLK_PERIPH,
 
 
 
 
 
    },
}

Definition at line 226 of file periph_conf.h.

◆ timer_config

const tc32_conf_t timer_config[]

static

Initial value:

= {
    {   
        .dev            = TC0,
        .irq            = TC0_IRQn,
        .mclk           = &MCLK->APBAMASK.reg,
        .mclk_mask      = MCLK_APBAMASK_TC0 | MCLK_APBAMASK_TC1,
        .gclk_id        = TC0_GCLK_ID,
        .gclk_src       = SAM0_GCLK_TIMER,
        .flags          = TC_CTRLA_MODE_COUNT32,
    },
    {   
        .dev            = TC2,
        .irq            = TC2_IRQn,
        .mclk           = &MCLK->APBBMASK.reg,
        .mclk_mask      = MCLK_APBBMASK_TC2 | MCLK_APBBMASK_TC3,
        .gclk_id        = TC2_GCLK_ID,
        .gclk_src       = SAM0_GCLK_TIMER,
        .flags          = TC_CTRLA_MODE_COUNT32,
    }
}

Definition at line 52 of file periph_conf.h.

◆ uart_config

const uart_conf_t uart_config[]

static

Definition at line 118 of file periph_conf.h.

Detailed Description

Macros

desired core clock frequency

32kHz Oscillator configuration

Timer peripheral configuration

CAN configuration

UART configuration

PWM configuration

SPI configuration

I2C configuration

RTT configuration

ADC Configuration

DAC configuration

USB peripheral configuration

Macro Definition Documentation

◆ ADC_GCLK_SRC

◆ ADC_NEG_INPUT

◆ ADC_NUMOF

◆ ADC_PRESCALER

◆ ADC_REF_DEFAULT

◆ CAN_NUMOF

◆ CLOCK_CORECLOCK

◆ DAC_CLOCK

◆ DAC_VREF

◆ EXTERNAL_OSC32_SOURCE

◆ I2C_NUMOF

◆ ISR_CAN0

◆ ISR_CAN1

◆ PWM_NUMOF

◆ RTT_FREQUENCY

◆ SPI_NUMOF

◆ TIMER_0_CHANNELS

◆ TIMER_0_ISR

◆ TIMER_1_CHANNELS

◆ TIMER_1_ISR

◆ TIMER_NUMOF

◆ UART_0_ISR

◆ UART_0_ISR_TX

◆ UART_1_ISR

◆ UART_1_ISR_TX

◆ UART_2_ISR

◆ UART_2_ISR_TX

◆ UART_3_ISR

◆ UART_3_ISR_TX

◆ UART_NUMOF

◆ ULTRA_LOW_POWER_INTERNAL_OSC_SOURCE

◆ USE_VREG_BUCK

Variable Documentation

◆ adc_channels

◆ candev_conf

◆ i2c_config

◆ pwm_chan0_config

◆ pwm_config

◆ sam_usbdev_config

◆ spi_config

◆ timer_config

◆ uart_config