periph_conf.h File Reference
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.
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. More... | |
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 [] |
| #define | AT6561_STBY_PIN GPIO_PIN(PC, 13) |
| ATA6561 STANDBY pin definition. | |
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. More... | |
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. More... | |
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
◆ 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.
Variable Documentation
◆ 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 }
}
Definition at line 365 of file periph_conf.h.
◆ candev_conf
|
static |
Initial value:
= {
{
.can = CAN1,
.gclk_src = SAM0_GCLK_PERIPH,
.enable_pin = AT6561_STBY_PIN,
.enable_pin_mode = GPIO_OUT,
.enable_pin_active_low = true,
}
}
Available CAN interfaces.
Definition at line 121 of file periph_conf.h.
◆ freqm_config
|
static |
Initial value:
Definition at line 437 of file periph_conf.h.
◆ i2c_config
|
static |
Initial value:
= {
{
.dev = &(SERCOM3->I2CM),
.speed = I2C_SPEED_NORMAL,
.mux = GPIO_MUX_C,
.gclk_src = SAM0_GCLK_PERIPH,
.flags = I2C_FLAG_NONE
},
{
.dev = &(SERCOM7->I2CM),
.speed = I2C_SPEED_NORMAL,
.mux = GPIO_MUX_C,
.gclk_src = SAM0_GCLK_PERIPH,
.flags = I2C_FLAG_NONE
}
}
Definition at line 305 of file periph_conf.h.
◆ pwm_chan0_config
|
static |
Initial value:
Definition at line 217 of file periph_conf.h.
◆ 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,
},
}
#define TCC_CONFIG(tim)
Static initializer for TCC timer configuration.
Definition: periph_cpu_common.h:410
Definition at line 227 of file periph_conf.h.
◆ sam_gmac_config
|
static |
Initial value:
= {
{
.dev = GMAC,
}
}
Definition at line 414 of file periph_conf.h.
◆ sam_usbdev_config
|
static |
Initial value:
Definition at line 342 of file periph_conf.h.
◆ sdhc_config
|
static |
Initial value:
SDHC devices.
Definition at line 398 of file periph_conf.h.
◆ 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 77 of file periph_conf.h.
