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197 lines
7.0 KiB
C
197 lines
7.0 KiB
C
/*
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* Copyright (c) 2012, Texas Instruments Incorporated - http://www.ti.com/
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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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* 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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/**
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* \addtogroup remote
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* @{
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*
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* \defgroup remote-examples Re-Mote Example Projects
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* @{
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*
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* \defgroup remote-demo Re-Mote Demo Project
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*
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* Example project demonstrating the Re-Mote functionality
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*
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* - Boot sequence: LEDs flashing (Red, then yellow, finally green)
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*
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* - etimer/clock : Every LOOP_INTERVAL clock ticks (LOOP_PERIOD secs) the LED
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* defined as LEDS_PERIODIC will turn on
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* - rtimer : Exactly LEDS_OFF_HYSTERISIS rtimer ticks later,
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* LEDS_PERIODIC will turn back off
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* - ADC sensors : On-chip VDD / 3, temperature, and Phidget sensor
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* values are printed over UART periodically.
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* - UART : Every LOOP_INTERVAL the Remote will print something over
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* the UART. Receiving an entire line of text over UART (ending
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* in \\r) will cause LEDS_SERIAL_IN to toggle
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* - Radio comms : BTN_USER sends a rime broadcast. Reception of a rime
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* packet will toggle LEDs defined as LEDS_RF_RX
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* - Button : Keeping the button pressed will print a counter that
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* increments every BUTTON_PRESS_EVENT_INTERVAL ticks
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* - TMP102 : Built-in digital temperature sensor, every LOOP_INTERVAL
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* clock ticks a sensor reading will be taken
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*
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* @{
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*
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* \file
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* Example demonstrating the Re-Mote platform
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*/
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#include "contiki.h"
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#include "cpu.h"
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#include "sys/etimer.h"
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#include "sys/rtimer.h"
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#include "dev/leds.h"
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#include "dev/uart.h"
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#include "dev/button-sensor.h"
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#include "dev/remote-sensors.h"
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#include "dev/watchdog.h"
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#include "dev/serial-line.h"
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#include "dev/sys-ctrl.h"
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#include "net/rime/broadcast.h"
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#include "dev/antenna-sw.h"
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#include "dev/tmp102.h"
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#include <stdio.h>
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#include <stdint.h>
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/*---------------------------------------------------------------------------*/
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#define LOOP_PERIOD 8
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#define LOOP_INTERVAL (CLOCK_SECOND * LOOP_PERIOD)
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#define LEDS_OFF_HYSTERISIS ((RTIMER_SECOND * LOOP_PERIOD) >> 1)
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#define LEDS_PERIODIC LEDS_BLUE
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#define LEDS_BUTTON LEDS_RED
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#define LEDS_SERIAL_IN LEDS_GREEN
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#define LEDS_REBOOT LEDS_ALL
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#define LEDS_RF_RX (LEDS_YELLOW | LEDS_RED)
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#define BROADCAST_CHANNEL 129
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#define BUTTON_PRESS_EVENT_INTERVAL (CLOCK_SECOND)
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/*---------------------------------------------------------------------------*/
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static struct etimer et;
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static struct rtimer rt;
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static uint16_t counter, temperature;
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/*---------------------------------------------------------------------------*/
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PROCESS(cc2538_demo_process, "cc2538 demo process");
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AUTOSTART_PROCESSES(&cc2538_demo_process);
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/*---------------------------------------------------------------------------*/
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static void
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broadcast_recv(struct broadcast_conn *c, const linkaddr_t *from)
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{
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leds_toggle(LEDS_RF_RX);
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printf("*** Received %u bytes from %u:%u: '0x%04x'\n", packetbuf_datalen(),
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from->u8[0], from->u8[1], *(uint16_t *)packetbuf_dataptr());
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}
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/*---------------------------------------------------------------------------*/
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static const struct broadcast_callbacks bc_rx = { broadcast_recv };
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static struct broadcast_conn bc;
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/*---------------------------------------------------------------------------*/
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void
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rt_callback(struct rtimer *t, void *ptr)
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{
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leds_off(LEDS_PERIODIC);
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(cc2538_demo_process, ev, data)
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{
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PROCESS_EXITHANDLER(broadcast_close(&bc))
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PROCESS_BEGIN();
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counter = 0;
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broadcast_open(&bc, BROADCAST_CHANNEL, &bc_rx);
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/* Enable antenna */
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antenna_sw_select(ANTENNA_SW_SELECT_INTERNAL);
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button_sensor.configure(BUTTON_SENSOR_CONFIG_TYPE_INTERVAL,
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BUTTON_PRESS_EVENT_INTERVAL);
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tmp102_init();
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printf("Re-Mote test application, initial values:\n");
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etimer_set(&et, LOOP_INTERVAL);
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while(1) {
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PROCESS_YIELD();
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if(ev == PROCESS_EVENT_TIMER) {
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leds_on(LEDS_PERIODIC);
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printf("-----------------------------------------\n"
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"Counter = 0x%08x\n", counter);
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printf("VDD = %d mV\n",
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vdd3_sensor.value(CC2538_SENSORS_VALUE_TYPE_CONVERTED));
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printf("Temperature = %d mC\n",
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cc2538_temp_sensor.value(CC2538_SENSORS_VALUE_TYPE_CONVERTED));
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printf("Phidget ADC2 = %d raw\n",
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phidget_sensor.value(PHIDGET_SENSORS_ADC2));
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printf("Phidget ADC3 = %d raw\n",
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phidget_sensor.value(PHIDGET_SENSORS_ADC3));
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tmp102_read(&temperature);
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printf("TMP102 sensor = %u mC\n", temperature);
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etimer_set(&et, LOOP_INTERVAL);
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rtimer_set(&rt, RTIMER_NOW() + LEDS_OFF_HYSTERISIS, 1,
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rt_callback, NULL);
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counter++;
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} else if(ev == sensors_event) {
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if(data == &button_sensor) {
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if(button_sensor.value(BUTTON_SENSOR_VALUE_TYPE_LEVEL) ==
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BUTTON_SENSOR_PRESSED_LEVEL) {
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printf("Press\n");
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packetbuf_copyfrom(&counter, sizeof(counter));
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broadcast_send(&bc);
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} else {
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printf("Release\n");
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}
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}
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} else if(ev == serial_line_event_message) {
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leds_toggle(LEDS_SERIAL_IN);
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} else if(ev == button_press_duration_exceeded) {
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printf("Button pressed for %d ticks [%u events]\n",
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(*((uint8_t *)data) * BUTTON_PRESS_EVENT_INTERVAL),
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button_sensor.value(BUTTON_SENSOR_VALUE_TYPE_PRESS_DURATION));
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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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/**
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* @}
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* @}
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* @}
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*/
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