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Macros
periph_conf.h File Reference
Boards » Microchip SAM E54 Xplained Pro

Configuration of CPU peripherals for the Microchip SAM E54 Xplained Pro board. More...

Detailed Description

Configuration of CPU peripherals for the Microchip SAM E54 Xplained Pro 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:

Go to the source code of this file.

Macros

#define USE_VREG_BUCK   (1)
 Enable the internal DC/DC converter The board is equipped with the necessary inductor.
 
#define USE_XOSC_ONLY   (0)
 Use the external oscillator to source all fast clocks.
 

external Oscillator (XOSC1) configuration

#define XOSC1_FREQUENCY   MHZ(12)
 

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_CAN1   isr_can1
 CAN 1 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_sercom2_2
 
#define UART_0_ISR_TX   isr_sercom2_0
 
#define UART_1_ISR   isr_sercom0_2
 
#define UART_1_ISR_TX   isr_sercom0_0
 
#define UART_2_ISR   isr_sercom5_2
 
#define UART_2_ISR_TX   isr_sercom5_0
 
#define UART_3_ISR   isr_sercom1_2
 
#define UART_3_ISR_TX   isr_sercom1_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
 

SDHC configuration

  This is entirely optional, but allows us to save a few bytes if only
  a single SDHC instance is used.
#define SDHC_DEV   SDHC1
 The SDHC instance to use.
 
#define SDHC_DEV_ISR   isr_sdhc1
 Interrupt service routing for SDHC1.
 
#define SDHC_CONFIG_NUMOF   1
 Number of configured SDHC devices.
 
static const sdhc_conf_t sdhc_config []
 SDHC devices.
 

USB peripheral configuration

static const sam0_common_usb_config_t sam_usbdev_config []
 

Ethernet peripheral configuration

static const sam0_common_gmac_config_t sam_gmac_config []
 

FREQM peripheral configuration

static const freqm_config_t freqm_config []
 

Macro Definition Documentation

◆ ADC_GCLK_SRC

#define ADC_GCLK_SRC   SAM0_GCLK_PERIPH

clock used for ADC

Definition at line 349 of file periph_conf.h.

◆ ADC_NEG_INPUT

#define ADC_NEG_INPUT   ADC_INPUTCTRL_MUXNEG(0x18u)

Definition at line 352 of file periph_conf.h.

◆ ADC_NUMOF

#define ADC_NUMOF   ARRAY_SIZE(adc_channels)

Definition at line 362 of file periph_conf.h.

◆ ADC_PRESCALER

#define ADC_PRESCALER   ADC_CTRLA_PRESCALER_DIV8

Definition at line 350 of file periph_conf.h.

◆ ADC_REF_DEFAULT

#define ADC_REF_DEFAULT   ADC_REFCTRL_REFSEL_INTVCC1

Definition at line 353 of file periph_conf.h.

◆ CAN_NUMOF

#define CAN_NUMOF   ARRAY_SIZE(candev_conf)

Number of CAN interfaces.

Definition at line 127 of file periph_conf.h.

◆ CLOCK_CORECLOCK

#define CLOCK_CORECLOCK   MHZ(120)

Definition at line 54 of file periph_conf.h.

◆ DAC_CLOCK

#define DAC_CLOCK   SAM0_GCLK_TIMER

Definition at line 370 of file periph_conf.h.

◆ DAC_VREF

#define DAC_VREF   DAC_CTRLB_REFSEL_VREFPU

Definition at line 374 of file periph_conf.h.

◆ EXTERNAL_OSC32_SOURCE

#define EXTERNAL_OSC32_SOURCE   1

Definition at line 63 of file periph_conf.h.

◆ I2C_NUMOF

#define I2C_NUMOF   ARRAY_SIZE(i2c_config)

Definition at line 316 of file periph_conf.h.

◆ ISR_CAN1

#define ISR_CAN1   isr_can1

CAN 1 configuration.

Definition at line 124 of file periph_conf.h.

◆ PWM_NUMOF

#define PWM_NUMOF   ARRAY_SIZE(pwm_config)

Definition at line 227 of file periph_conf.h.

◆ RTT_FREQUENCY

#define RTT_FREQUENCY   (32768U)

Definition at line 324 of file periph_conf.h.

◆ SDHC_CONFIG_NUMOF

#define SDHC_CONFIG_NUMOF   1

Number of configured SDHC devices.

Definition at line 397 of file periph_conf.h.

◆ SDHC_DEV

#define SDHC_DEV   SDHC1

The SDHC instance to use.

Definition at line 384 of file periph_conf.h.

◆ SDHC_DEV_ISR

#define SDHC_DEV_ISR   isr_sdhc1

Interrupt service routing for SDHC1.

Definition at line 385 of file periph_conf.h.

◆ SPI_NUMOF

#define SPI_NUMOF   ARRAY_SIZE(spi_config)

Definition at line 288 of file periph_conf.h.

◆ TIMER_0_CHANNELS

#define TIMER_0_CHANNELS   2

Definition at line 99 of file periph_conf.h.

◆ TIMER_0_ISR

#define TIMER_0_ISR   isr_tc0

Definition at line 100 of file periph_conf.h.

◆ TIMER_1_CHANNELS

#define TIMER_1_CHANNELS   2

Definition at line 103 of file periph_conf.h.

◆ TIMER_1_ISR

#define TIMER_1_ISR   isr_tc2

Definition at line 104 of file periph_conf.h.

◆ TIMER_NUMOF

#define TIMER_NUMOF   ARRAY_SIZE(timer_config)

Definition at line 106 of file periph_conf.h.

◆ UART_0_ISR

#define UART_0_ISR   isr_sercom2_2

Definition at line 186 of file periph_conf.h.

◆ UART_0_ISR_TX

#define UART_0_ISR_TX   isr_sercom2_0

Definition at line 187 of file periph_conf.h.

◆ UART_1_ISR

#define UART_1_ISR   isr_sercom0_2

Definition at line 189 of file periph_conf.h.

◆ UART_1_ISR_TX

#define UART_1_ISR_TX   isr_sercom0_0

Definition at line 190 of file periph_conf.h.

◆ UART_2_ISR

#define UART_2_ISR   isr_sercom5_2

Definition at line 192 of file periph_conf.h.

◆ UART_2_ISR_TX

#define UART_2_ISR_TX   isr_sercom5_0

Definition at line 193 of file periph_conf.h.

◆ UART_3_ISR

#define UART_3_ISR   isr_sercom1_2

Definition at line 195 of file periph_conf.h.

◆ UART_3_ISR_TX

#define UART_3_ISR_TX   isr_sercom1_0

Definition at line 196 of file periph_conf.h.

◆ UART_NUMOF

#define UART_NUMOF   ARRAY_SIZE(uart_config)

Definition at line 198 of file periph_conf.h.

◆ ULTRA_LOW_POWER_INTERNAL_OSC_SOURCE

#define ULTRA_LOW_POWER_INTERNAL_OSC_SOURCE   0

Definition at line 64 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 71 of file periph_conf.h.

◆ USE_XOSC_ONLY

#define USE_XOSC_ONLY   (0)

Use the external oscillator to source all fast clocks.

This allows us to use the buck voltage regulator for maximum power efficiency, but limits the maximum clock frequency to 12 MHz.

Definition at line 36 of file periph_conf.h.

◆ XOSC1_FREQUENCY

#define XOSC1_FREQUENCY   MHZ(12)

Definition at line 43 of file periph_conf.h.

Variable Documentation

◆ adc_channels

const adc_conf_chan_t adc_channels[]
static
Initial value:
= {
{ .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA03, .dev = ADC0 },
{ .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA05, .dev = ADC0 },
{ .inputctrl = ADC0_INPUTCTRL_MUXPOS_PA07, .dev = ADC0 }
}
ADC0_INPUTCTRL_MUXPOS_PA07
#define ADC0_INPUTCTRL_MUXPOS_PA07
Alias for AIN7.
Definition periph_cpu.h:133
ADC0_INPUTCTRL_MUXPOS_PA05
#define ADC0_INPUTCTRL_MUXPOS_PA05
Alias for AIN5.
Definition periph_cpu.h:131
ADC0_INPUTCTRL_MUXPOS_PA03
#define ADC0_INPUTCTRL_MUXPOS_PA03
Alias for AIN1.
Definition periph_cpu.h:127

Definition at line 355 of file periph_conf.h.

◆ candev_conf

const can_conf_t candev_conf[]
static
Initial value:
= {
{
.can = CAN1,
.rx_pin = GPIO_PIN(PB, 13),
.tx_pin = GPIO_PIN(PB, 12),
.gclk_src = SAM0_GCLK_PERIPH,
}
}
GPIO_PIN
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
Definition periph_cpu.h:46
PB
@ PB
port B
Definition periph_cpu_common.h:100
SAM0_GCLK_PERIPH
#define SAM0_GCLK_PERIPH
12-48 MHz (DFLL) clock
Definition periph_cpu.h:82

Available CAN interfaces.

Definition at line 114 of file periph_conf.h.

◆ freqm_config

const freqm_config_t freqm_config[]
static
Initial value:
= {
{
.pin = GPIO_PIN(PB, 17),
.gclk_src = SAM0_GCLK_32KHZ
}
}
SAM0_GCLK_32KHZ
#define SAM0_GCLK_32KHZ
32 kHz clock
Definition periph_cpu.h:76

Definition at line 427 of file periph_conf.h.

◆ i2c_config

const i2c_conf_t i2c_config[]
static
Initial value:
= {
{
.dev = &(SERCOM3->I2CM),
.speed = I2C_SPEED_NORMAL,
.scl_pin = GPIO_PIN(PA, 23),
.sda_pin = GPIO_PIN(PA, 22),
.mux = GPIO_MUX_C,
.gclk_src = SAM0_GCLK_PERIPH,
.flags = I2C_FLAG_NONE
},
{
.dev = &(SERCOM7->I2CM),
.speed = I2C_SPEED_NORMAL,
.scl_pin = GPIO_PIN(PD, 9),
.sda_pin = GPIO_PIN(PD, 8),
.mux = GPIO_MUX_C,
.gclk_src = SAM0_GCLK_PERIPH,
.flags = I2C_FLAG_NONE
}
}
I2C_SPEED_NORMAL
@ I2C_SPEED_NORMAL
normal mode: ~100 kbit/s
Definition periph_cpu.h:278
PA
@ PA
port A
Definition periph_cpu_common.h:99
PD
@ PD
port D
Definition periph_cpu_common.h:102
I2C_FLAG_NONE
@ I2C_FLAG_NONE
No flags set.
Definition periph_cpu_common.h:520
GPIO_MUX_C
@ GPIO_MUX_C
select peripheral function C
Definition periph_cpu_common.h:246

Definition at line 295 of file periph_conf.h.

◆ pwm_chan0_config

const pwm_conf_chan_t pwm_chan0_config[]
static
Initial value:
= {
{
.pin = GPIO_PIN(PC, 18),
.mux = GPIO_MUX_F,
.chan = 2
},
}
PC
@ PC
port C
Definition periph_cpu_common.h:101
GPIO_MUX_F
@ GPIO_MUX_F
select peripheral function F
Definition periph_cpu_common.h:249

Definition at line 207 of file periph_conf.h.

◆ pwm_config

const pwm_conf_t pwm_config[]
static
Initial value:
= {
{
.tim = TCC_CONFIG(TCC0),
.chan = pwm_chan0_config,
.chan_numof = ARRAY_SIZE(pwm_chan0_config),
.gclk_src = SAM0_GCLK_48MHZ,
},
}
ARRAY_SIZE
#define ARRAY_SIZE(a)
Calculate the number of elements in a static array.
Definition container.h:83
TCC_CONFIG
#define TCC_CONFIG(tim)
Static initializer for TCC timer configuration.
Definition periph_cpu_common.h:410

Definition at line 217 of file periph_conf.h.

◆ sam_gmac_config

const sam0_common_gmac_config_t sam_gmac_config[]
static
Initial value:
= {
{
.dev = GMAC,
.refclk = GPIO_PIN(PA, 14),
.txen = GPIO_PIN(PA, 17),
.txd0 = GPIO_PIN(PA, 18),
.txd1 = GPIO_PIN(PA, 19),
.crsdv = GPIO_PIN(PC, 20),
.rxd0 = GPIO_PIN(PA, 13),
.rxd1 = GPIO_PIN(PA, 12),
.rxer = GPIO_PIN(PA, 15),
.mdc = GPIO_PIN(PC, 11),
.mdio = GPIO_PIN(PC, 12),
.rst_pin = GPIO_PIN(PC, 21),
.int_pin = GPIO_PIN(PD, 12),
}
}

Definition at line 404 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,
}
}
GPIO_MUX_H
@ GPIO_MUX_H
select peripheral function H
Definition periph_cpu_common.h:251

Definition at line 332 of file periph_conf.h.

◆ sdhc_config

const sdhc_conf_t sdhc_config[]
static
Initial value:
= {
{
.sdhc = SDHC1,
.cd = GPIO_PIN(PD, 20),
.wp = GPIO_UNDEF,
},
}
GPIO_UNDEF
#define GPIO_UNDEF
Definition of a fitting UNDEF value.
Definition periph_cpu_common.h:54

SDHC devices.

Definition at line 388 of file periph_conf.h.

◆ spi_config

const spi_conf_t spi_config[]
static

Definition at line 234 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,
}
}
SAM0_GCLK_TIMER
#define SAM0_GCLK_TIMER
4-8 MHz clock for xTimer
Definition periph_cpu.h:79

Definition at line 77 of file periph_conf.h.

◆ uart_config

const uart_conf_t uart_config[]
static

Definition at line 134 of file periph_conf.h.