58874ea25d
This patch revises the I2C and GPIO initialization code to always be run during platform boot rather than within each process that requires it. This patch also revises the gpio-output example to use a pin that is set as an output by the default pinmux configuration. Previously, it used a pin that was set as an output by the pinmux configuration that is in effect when the OS does not change the pinmux configuration.
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/*
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* Copyright (C) 2015-2016, Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include "contiki.h"
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#include "contiki-net.h"
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#include "cpu.h"
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#include "eth-conf.h"
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#include "galileo-pinmux.h"
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#include "gpio.h"
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#include "i2c.h"
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#include "interrupt.h"
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#include "shared-isr.h"
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#include "uart.h"
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PROCINIT( &etimer_process
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, &tcpip_process
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#if WITH_DNS
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, &resolv_process
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#endif
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);
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int
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main(void)
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{
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cpu_init();
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/* Initialize UART connected to Galileo Gen2 FTDI header */
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quarkX1000_uart_init(QUARK_X1000_UART_1);
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clock_init();
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rtimer_init();
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printf("Starting Contiki\n");
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quarkX1000_i2c_init();
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quarkX1000_i2c_configure(QUARKX1000_I2C_SPEED_STANDARD,
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QUARKX1000_I2C_ADDR_MODE_7BIT);
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/* use default pinmux configuration */
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if(galileo_pinmux_initialize() < 0) {
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fprintf(stderr, "Failed to initialize pinmux\n");
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}
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quarkX1000_gpio_init();
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ENABLE_IRQ();
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process_init();
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procinit_init();
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ctimer_init();
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autostart_start(autostart_processes);
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eth_init();
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shared_isr_init();
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while(1) {
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process_run();
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}
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return 0;
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}
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