Board specific definitions for the ATxmegaA3BU Xplained board. More...

Detailed Description

Board specific definitions for the ATxmegaA3BU Xplained board.

Author: Gerson Fernando Budke nando.nosp@m.jve@.nosp@m.gmail.nosp@m..com

Definition in file board.h.

#include "cpu.h"
#include "macros/units.h"

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Go to the source code of this file.

#define	CLOCK_CORECLOCK MHZ(32)
	Clock configuration.

Baudrate for STDIO terminal
The standard configuration for STDIO in cpu/atxmega/periph/uart.c is to use double speed. For 32MHz F_CPU following Baudrate have good error rates 115200 Matches this with BAUD in Board/Makefile.include
#define	STDIO_UART_BAUDRATE (115200U)

LED pin definitions and handlers
#define	LED_PORT PORTR

#define	LED0_PIN GPIO_PIN(PORT_R, 0)

#define	LED0_MODE GPIO_OUT

#define	LED0_MASK (PIN0_bm)

#define	LED0_ON (LED_PORT.OUTCLR = LED0_MASK)

#define	LED0_OFF (LED_PORT.OUTSET = LED0_MASK)

#define	LED0_TOGGLE (LED_PORT.OUTTGL = LED0_MASK)

#define	LED1_PIN GPIO_PIN(PORT_R, 1)

#define	LED1_MODE GPIO_OUT

#define	LED1_MASK (PIN1_bm)

#define	LED1_ON (LED_PORT.OUTCLR = LED1_MASK)

#define	LED1_OFF (LED_PORT.OUTSET = LED1_MASK)

#define	LED1_TOGGLE (LED_PORT.OUTTGL = LED1_MASK)

#define	LED_PORT_MASK (LED0_MASK \| LED1_MASK)

Button pin configuration
#define	BTN0_PIN GPIO_PIN(PORT_E, 5)

#define	BTN0_MODE (GPIO_IN \| GPIO_OPC_PU \| GPIO_SLEW_RATE)

#define	BTN0_INT_FLANK (GPIO_ISC_FALLING \| GPIO_LVL_LOW)

#define	BTN1_PIN GPIO_PIN(PORT_F, 1)

#define	BTN1_MODE (GPIO_IN \| GPIO_OPC_PU \| GPIO_SLEW_RATE)

#define	BTN1_INT_FLANK (GPIO_ISC_FALLING \| GPIO_LVL_LOW)

#define	BTN2_PIN GPIO_PIN(PORT_F, 2)

#define	BTN2_MODE (GPIO_IN \| GPIO_OPC_PU \| GPIO_SLEW_RATE)

#define	BTN2_INT_FLANK (GPIO_ISC_FALLING \| GPIO_LVL_LOW)

xtimer configuration values
if XTIMER_HZ > 1MHz then (XTIMER_HZ != (1000000ul << XTIMER_SHIFT)) if XTIMER_HZ < 1MHz then ((XTIMER_HZ << XTIMER_SHIFT) != 1000000ul) 32MHz Core Clock XTIMER_HZ 4000000 (clkdiv 8 ) XTIMER_SHIFT 2 XTIMER_HZ 1000000 () XTIMER_SHIFT 0 XTIMER_HZ 500000 (clkdiv 64) XTIMER_SHIFT 1 XTIMER_HZ 250000 (clkdiv 128) XTIMER_SHIFT 2 XTIMER_HZ 31250 (clkdiv 1024) XTIMER_SHIFT 5
#define	XTIMER_DEV TIMER_DEV(0)

#define	XTIMER_CHAN (0)

#define	XTIMER_WIDTH (16)

#define	XTIMER_HZ KHZ(500)

#define	XTIMER_BACKOFF (150)

Macro Definition Documentation

◆ BTN0_INT_FLANK

#define BTN0_INT_FLANK (GPIO_ISC_FALLING | GPIO_LVL_LOW)

Definition at line 81 of file board.h.

◆ BTN0_MODE

#define BTN0_MODE (GPIO_IN | GPIO_OPC_PU | GPIO_SLEW_RATE)

Definition at line 80 of file board.h.

◆ BTN0_PIN

#define BTN0_PIN GPIO_PIN(PORT_E, 5)

Definition at line 79 of file board.h.

◆ BTN1_INT_FLANK

#define BTN1_INT_FLANK (GPIO_ISC_FALLING | GPIO_LVL_LOW)

Definition at line 85 of file board.h.

◆ BTN1_MODE

#define BTN1_MODE (GPIO_IN | GPIO_OPC_PU | GPIO_SLEW_RATE)

Definition at line 84 of file board.h.

◆ BTN1_PIN

#define BTN1_PIN GPIO_PIN(PORT_F, 1)

Definition at line 83 of file board.h.

◆ BTN2_INT_FLANK

#define BTN2_INT_FLANK (GPIO_ISC_FALLING | GPIO_LVL_LOW)

Definition at line 89 of file board.h.

◆ BTN2_MODE

#define BTN2_MODE (GPIO_IN | GPIO_OPC_PU | GPIO_SLEW_RATE)

Definition at line 88 of file board.h.

◆ BTN2_PIN

#define BTN2_PIN GPIO_PIN(PORT_F, 2)

Definition at line 87 of file board.h.

◆ CLOCK_CORECLOCK

#define CLOCK_CORECLOCK MHZ(32)

Clock configuration.

Definition at line 32 of file board.h.

◆ LED0_MASK

#define LED0_MASK (PIN0_bm)

Definition at line 60 of file board.h.

◆ LED0_MODE

#define LED0_MODE GPIO_OUT

Definition at line 59 of file board.h.

◆ LED0_OFF

#define LED0_OFF (LED_PORT.OUTSET = LED0_MASK)

Definition at line 62 of file board.h.

◆ LED0_ON

#define LED0_ON (LED_PORT.OUTCLR = LED0_MASK)

Definition at line 61 of file board.h.

◆ LED0_PIN

#define LED0_PIN GPIO_PIN(PORT_R, 0)

Definition at line 58 of file board.h.

◆ LED0_TOGGLE

#define LED0_TOGGLE (LED_PORT.OUTTGL = LED0_MASK)

Definition at line 63 of file board.h.

◆ LED1_MASK

#define LED1_MASK (PIN1_bm)

Definition at line 67 of file board.h.

◆ LED1_MODE

#define LED1_MODE GPIO_OUT

Definition at line 66 of file board.h.

◆ LED1_OFF

#define LED1_OFF (LED_PORT.OUTSET = LED1_MASK)

Definition at line 69 of file board.h.

◆ LED1_ON

#define LED1_ON (LED_PORT.OUTCLR = LED1_MASK)

Definition at line 68 of file board.h.

◆ LED1_PIN

#define LED1_PIN GPIO_PIN(PORT_R, 1)

Definition at line 65 of file board.h.

◆ LED1_TOGGLE

#define LED1_TOGGLE (LED_PORT.OUTTGL = LED1_MASK)

Definition at line 70 of file board.h.

◆ LED_PORT

#define LED_PORT PORTR

Definition at line 56 of file board.h.

◆ LED_PORT_MASK

#define LED_PORT_MASK (LED0_MASK | LED1_MASK)

Definition at line 72 of file board.h.

◆ STDIO_UART_BAUDRATE

#define STDIO_UART_BAUDRATE (115200U)

Definition at line 48 of file board.h.

◆ XTIMER_BACKOFF

#define XTIMER_BACKOFF (150)

Definition at line 110 of file board.h.

◆ XTIMER_CHAN

#define XTIMER_CHAN (0)

Definition at line 107 of file board.h.

◆ XTIMER_DEV

#define XTIMER_DEV TIMER_DEV(0)

Definition at line 106 of file board.h.

◆ XTIMER_HZ

#define XTIMER_HZ KHZ(500)

Definition at line 109 of file board.h.

◆ XTIMER_WIDTH

#define XTIMER_WIDTH (16)

Definition at line 108 of file board.h.