68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
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* Copyright 2010 - 2012 Michael Ossmann
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*
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* This file is part of HackRF.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include <libopencm3/lpc43xx/gpio.h>
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#include <libopencm3/lpc43xx/scu.h>
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#include <libopencm3/lpc43xx/i2c.h>
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#include "hackrf_core.h"
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void gpio_setup(void)
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{
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/* Configure SCU Pin Mux as GPIO */
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scu_pinmux(SCU_PINMUX_LED1, SCU_GPIO_FAST);
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scu_pinmux(SCU_PINMUX_LED2, SCU_GPIO_FAST);
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scu_pinmux(SCU_PINMUX_LED3, SCU_GPIO_FAST);
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scu_pinmux(SCU_PINMUX_EN1V8, SCU_GPIO_FAST);
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/* Configure all GPIO as Input (safe state) */
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GPIO0_DIR = 0;
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GPIO1_DIR = 0;
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GPIO2_DIR = 0;
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GPIO3_DIR = 0;
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GPIO4_DIR = 0;
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GPIO5_DIR = 0;
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GPIO6_DIR = 0;
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GPIO7_DIR = 0;
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/* Configure GPIO2[1/2/8] (P4_1/2 P6_12) as output. */
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GPIO2_DIR |= (PIN_LED1|PIN_LED2|PIN_LED3);
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/* GPIO3[6] on P6_10 as output. */
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GPIO3_DIR |= PIN_EN1V8;
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}
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int main(void)
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{
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gpio_setup();
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gpio_set(PORT_EN1V8, PIN_EN1V8); /* 1V8 on */
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cpu_clock_init();
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gpio_set(PORT_LED1_3, (PIN_LED1|PIN_LED2|PIN_LED3)); /* LEDs on */
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while (1);
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return 0;
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}
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