140 lines
5.6 KiB
C
140 lines
5.6 KiB
C
/*
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* Copyright (c) 2017, George Oikonomou - http://www.spd.gr
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* 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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*
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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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* 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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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "dev/gpio-hal.h"
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#include "sys/etimer.h"
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#include "lib/sensors.h"
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#include "dev/button-sensor.h"
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#include <stdio.h>
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/*---------------------------------------------------------------------------*/
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extern gpio_hal_pin_t out_pin1, out_pin2, out_pin3;
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extern gpio_hal_pin_t btn_pin;
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/*---------------------------------------------------------------------------*/
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static struct etimer et;
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static uint8_t counter;
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/*---------------------------------------------------------------------------*/
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PROCESS(gpio_hal_example, "GPIO HAL Example");
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AUTOSTART_PROCESSES(&gpio_hal_example);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(gpio_hal_example, ev, data)
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{
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PROCESS_BEGIN();
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counter = 0;
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etimer_set(&et, CLOCK_SECOND);
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while(1) {
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PROCESS_YIELD();
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if(ev == PROCESS_EVENT_TIMER && data == &et) {
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if((counter & 7) == 0) {
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/* Set output and test write, high */
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gpio_hal_arch_pin_set_output(out_pin1);
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gpio_hal_arch_pin_set_output(out_pin2);
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gpio_hal_arch_pin_set_output(out_pin3);
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gpio_hal_arch_write_pin(out_pin1, 1);
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gpio_hal_arch_write_pins(
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gpio_hal_pin_to_mask(out_pin2) | gpio_hal_pin_to_mask(out_pin3),
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gpio_hal_pin_to_mask(out_pin2) | gpio_hal_pin_to_mask(out_pin3));
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} else if((counter & 7) == 1) {
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/* Test write, low */
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gpio_hal_arch_write_pin(out_pin1, 0);
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gpio_hal_arch_write_pins(
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gpio_hal_pin_to_mask(out_pin2) | gpio_hal_pin_to_mask(out_pin3), 0);
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} else if((counter & 7) == 2) {
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/* Test set */
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gpio_hal_arch_set_pin(out_pin1);
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gpio_hal_arch_set_pins(
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gpio_hal_pin_to_mask(out_pin2) | gpio_hal_pin_to_mask(out_pin3));
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} else if((counter & 7) == 3) {
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/* Test clear */
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gpio_hal_arch_clear_pin(out_pin1);
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gpio_hal_arch_clear_pins(
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gpio_hal_pin_to_mask(out_pin2) | gpio_hal_pin_to_mask(out_pin3));
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} else if((counter & 7) == 4) {
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/* Test toggle (should go high) */
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gpio_hal_arch_toggle_pin(out_pin1);
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gpio_hal_arch_toggle_pins(
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gpio_hal_pin_to_mask(out_pin2) | gpio_hal_pin_to_mask(out_pin3));
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} else if((counter & 7) == 5) {
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/* Test toggle (should go low) */
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gpio_hal_arch_toggle_pin(out_pin1);
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gpio_hal_arch_toggle_pins(
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gpio_hal_pin_to_mask(out_pin2) | gpio_hal_pin_to_mask(out_pin3));
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} else if((counter & 7) == 6) {
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/* Set to input and then set. Should stay off */
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gpio_hal_arch_pin_set_input(out_pin1);
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gpio_hal_arch_pin_set_input(out_pin2);
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gpio_hal_arch_pin_set_input(out_pin3);
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gpio_hal_arch_set_pin(out_pin1);
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gpio_hal_arch_set_pins(
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gpio_hal_pin_to_mask(out_pin2) | gpio_hal_pin_to_mask(out_pin3));
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} else if((counter & 7) == 7) {
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/* Toggle button interrupt */
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gpio_hal_pin_cfg_t interrupt;
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interrupt = gpio_hal_arch_pin_cfg_get(btn_pin) &
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GPIO_HAL_PIN_CFG_INT_ENABLE;
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if(interrupt == 0) {
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printf("Enabling button interrupt\n");
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gpio_hal_arch_interrupt_enable(btn_pin);
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} else {
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printf("Disabling button interrupt\n");
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gpio_hal_arch_interrupt_disable(btn_pin);
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}
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}
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/* Test read */
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printf("%u: Pins are 1-%u, 2=%u, 3=%u, mask=0x%08lx\n", counter & 7,
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gpio_hal_arch_read_pin(out_pin1),
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gpio_hal_arch_read_pin(out_pin2),
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gpio_hal_arch_read_pin(out_pin3),
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gpio_hal_arch_read_pins(gpio_hal_pin_to_mask(out_pin1) |
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gpio_hal_pin_to_mask(out_pin2) |
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gpio_hal_pin_to_mask(out_pin3)));
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counter++;
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etimer_set(&et, CLOCK_SECOND);
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} else if(ev == sensors_event && data == &button_sensor) {
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printf("Button event\n");
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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