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periph_conf.h File Reference
Boards » Microchip SAM R34 Xplained Pro

Peripheral MCU configuration for the Microchip SAM R34 Xplained Pro board. More...

Detailed Description

Peripheral MCU configuration for the Microchip SAM R34 Xplained Pro board.

Author
Dylan Laduranty dylan.nosp@m..lad.nosp@m.urant.nosp@m.y@me.nosp@m.sotic.nosp@m..com

Definition in file periph_conf.h.

#include "periph_cpu.h"
#include "macros/units.h"
+ Include dependency graph for periph_conf.h:

Go to the source code of this file.

#define CLOCK_CORECLOCK   MHZ(48)
 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_1_CHANNELS   2
 
#define TIMER_1_ISR   isr_tc2
 
#define TIMER_NUMOF   ARRAY_SIZE(timer_config)
 
static const tc32_conf_t timer_config []
 

UART configuration

#define UART_0_ISR   isr_sercom0
 
#define UART_1_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 []
 

Macro Definition Documentation

◆ ADC_NEG_INPUT

#define ADC_NEG_INPUT   ADC_INPUTCTRL_MUXNEG(0x18u)

Definition at line 202 of file periph_conf.h.

◆ ADC_NUMOF

#define ADC_NUMOF   ARRAY_SIZE(adc_channels)

Definition at line 211 of file periph_conf.h.

◆ ADC_PRESCALER

#define ADC_PRESCALER   ADC_CTRLB_PRESCALER_DIV256

Definition at line 200 of file periph_conf.h.

◆ ADC_REF_DEFAULT

#define ADC_REF_DEFAULT   ADC_REFCTRL_REFSEL_INTVCC2

Definition at line 203 of file periph_conf.h.

◆ CLOCK_CORECLOCK

#define CLOCK_CORECLOCK   MHZ(48)

GCLK reference speed.

Definition at line 33 of file periph_conf.h.

◆ EXTERNAL_OSC32_SOURCE

#define EXTERNAL_OSC32_SOURCE   1

Definition at line 180 of file periph_conf.h.

◆ I2C_NUMOF

#define I2C_NUMOF   ARRAY_SIZE(i2c_config)

Definition at line 173 of file periph_conf.h.

◆ INTERNAL_OSC32_SOURCE

#define INTERNAL_OSC32_SOURCE   0

Definition at line 181 of file periph_conf.h.

◆ RTT_FREQUENCY

#define RTT_FREQUENCY   (32768U)

Definition at line 190 of file periph_conf.h.

◆ SPI_NUMOF

#define SPI_NUMOF   ARRAY_SIZE(spi_config)

Definition at line 155 of file periph_conf.h.

◆ TIMER_0_CHANNELS

#define TIMER_0_CHANNELS   2

Definition at line 67 of file periph_conf.h.

◆ TIMER_0_ISR

#define TIMER_0_ISR   isr_tc0

Definition at line 68 of file periph_conf.h.

◆ TIMER_1_CHANNELS

#define TIMER_1_CHANNELS   2

Definition at line 69 of file periph_conf.h.

◆ TIMER_1_ISR

#define TIMER_1_ISR   isr_tc2

Definition at line 70 of file periph_conf.h.

◆ TIMER_NUMOF

#define TIMER_NUMOF   ARRAY_SIZE(timer_config)

Definition at line 71 of file periph_conf.h.

◆ UART_0_ISR

#define UART_0_ISR   isr_sercom0

Definition at line 110 of file periph_conf.h.

◆ UART_1_ISR

#define UART_1_ISR   isr_sercom3

Definition at line 111 of file periph_conf.h.

◆ UART_NUMOF

#define UART_NUMOF   ARRAY_SIZE(uart_config)

Definition at line 113 of file periph_conf.h.

◆ ULTRA_LOW_POWER_INTERNAL_OSC_SOURCE

#define ULTRA_LOW_POWER_INTERNAL_OSC_SOURCE   0

Definition at line 182 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 39 of file periph_conf.h.

Variable Documentation

◆ adc_channels

const adc_conf_chan_t adc_channels[]
static
Initial value:
= {
{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PA06 },
{ .inputctrl = ADC_INPUTCTRL_MUXPOS_PA07 }
}
ADC_INPUTCTRL_MUXPOS_PA07
#define ADC_INPUTCTRL_MUXPOS_PA07
Alias for PIN7.
Definition periph_cpu.h:126
ADC_INPUTCTRL_MUXPOS_PA06
#define ADC_INPUTCTRL_MUXPOS_PA06
Alias for PIN6.
Definition periph_cpu.h:125

Definition at line 205 of file periph_conf.h.

◆ i2c_config

const i2c_conf_t i2c_config[]
static
Initial value:
= {
{
.dev = &(SERCOM1->I2CM),
.speed = I2C_SPEED_NORMAL,
.scl_pin = GPIO_PIN(PA, 17),
.sda_pin = GPIO_PIN(PA, 16),
.mux = GPIO_MUX_C,
.gclk_src = SAM0_GCLK_MAIN,
.flags = I2C_FLAG_NONE
}
}
GPIO_PIN
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
Definition periph_cpu.h:46
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
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
SAM0_GCLK_MAIN
#define SAM0_GCLK_MAIN
120 MHz main clock
Definition periph_cpu.h:74

Definition at line 162 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,
}
}
GPIO_MUX_G
@ GPIO_MUX_G
select peripheral function G
Definition periph_cpu_common.h:250

Definition at line 218 of file periph_conf.h.

◆ spi_config

const spi_conf_t spi_config[]
static

Definition at line 120 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_Msk | MCLK_APBCMASK_TC1_Msk,
.gclk_id = TC0_GCLK_ID,
.gclk_src = SAM0_GCLK_TIMER,
.flags = TC_CTRLA_MODE_COUNT32,
},
{
.dev = TC2,
.irq = TC2_IRQn,
.mclk = &MCLK->APBCMASK.reg,
.mclk_mask = MCLK_APBCMASK_TC2_Msk | MCLK_APBCMASK_TC3_Msk,
.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 45 of file periph_conf.h.

◆ uart_config

const uart_conf_t uart_config[]
static
Initial value:
= {
{
.dev = &SERCOM0->USART,
.rx_pin = GPIO_PIN(PA, 5),
.tx_pin = GPIO_PIN(PA, 4),
.mux = GPIO_MUX_D,
.rx_pad = UART_PAD_RX_1,
.tx_pad = UART_PAD_TX_0,
.flags = UART_FLAG_NONE,
.gclk_src = SAM0_GCLK_MAIN,
},
{
.dev = &SERCOM3->USART,
.rx_pin = GPIO_PIN(PA, 17),
.tx_pin = GPIO_PIN(PA, 16),
.mux = GPIO_MUX_D,
.rx_pad = UART_PAD_RX_1,
.tx_pad = UART_PAD_TX_0,
.flags = UART_FLAG_NONE,
.gclk_src = SAM0_GCLK_MAIN,
}
}
UART_PAD_RX_1
@ UART_PAD_RX_1
select pad 1
Definition periph_cpu_common.h:267
UART_FLAG_NONE
@ UART_FLAG_NONE
No flags set.
Definition periph_cpu_common.h:286
UART_PAD_TX_0
@ UART_PAD_TX_0
select pad 0
Definition periph_cpu_common.h:276
GPIO_MUX_D
@ GPIO_MUX_D
select peripheral function D
Definition periph_cpu_common.h:247

Definition at line 78 of file periph_conf.h.