saml21-xpro/include/board.h¶
Board specific definitions for the Atmel SAM L21 Xplained Pro board.
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LED0_PIN¶ 1
GPIO_PIN(1, 10)
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LED_PORT¶ 1
PORT->Group[1]
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LED0_MASK¶ 1
(1 << 10)
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LED0_ON¶ 1
(LED_PORT.OUTCLR.reg = LED0_MASK)
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LED0_OFF¶ 1
(LED_PORT.OUTSET.reg = LED0_MASK)
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LED0_TOGGLE¶ 1
(LED_PORT.OUTTGL.reg = LED0_MASK)
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BTN0_PORT¶ 1
PORT->Group[PA]
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BTN0_PIN¶ 1
GPIO_PIN(PA, 2)
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BTN0_MODE¶ 1
GPIO_IN_PU
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void
board_init(void)¶ Initialize board specific hardware, including clock, LEDs and std-IO.