/*
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* rotary_test.c -- rotary test application
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*
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* Copyright (c) 2017 Rockchip Electronics Co. Ltd.
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* Author: Bin Yang <yangbin@rock-chips.com>
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* Author: Panzhenzhuan Wang <randy.wang@rock-chips.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <linux/input.h>
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#include <signal.h>
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#include <unistd.h>
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#define LOG_TAG "rotary_test"
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#include "common.h"
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#define ROTARY_INPUT_EVENT "/dev/input/event1"
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#define ROTARY_TIMEOUT_ROTATE 60 //60s³¬Ê±
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static char result[COMMAND_VALUESIZE] = RESULT_FAIL;
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static int rotary_wait_event(int maxfd, fd_set *readfds, int time)
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{
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int ret;
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struct timeval timeout;
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FD_ZERO(readfds);
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FD_SET(maxfd, readfds);
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timeout.tv_sec = time;
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timeout.tv_usec = 0;
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ret = select(maxfd + 1, readfds, NULL, NULL, &timeout);
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switch (ret) {
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case -1:
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return -1;
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case 0:
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log_err("select timeout(%ds)\n", time);
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return 1;
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default:
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if (FD_ISSET(maxfd, readfds)) {
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FD_CLR (maxfd, readfds);
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return 0;
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}
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break;
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}
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return -1;
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}
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static int rotary_event_read(int fd, struct input_event *buf)
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{
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int read_len = 0;
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read_len = read(fd, buf, sizeof(*buf));
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if (read_len < 0) {
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if ((errno != EINTR) && (errno != EAGAIN))
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return 0;
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return -1;
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}
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if (buf->type)
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return 1;
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return 0;
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}
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//* ÐźŴ¦Àíº¯Êý£¬ÔÚ½áÊø½ø³ÌÇ°£¬Îªrotary²âÊÔ·µ»ØÒ»¸ö½á¹û£»
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static int rotary_result_send(int sign_no)
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{
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int err_code =0;
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printf("====================function : %s start =================\n",__func__);
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if(!memcmp(result,RESULT_FAIL,strlen(RESULT_FAIL))){
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err_code = ROTARY_QUERY_FAIL;
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}
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send_msg_to_server("rotary_test", result, err_code);
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printf("====================function : %s finished =================\n",__func__);
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exit(0);
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}
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int main(int argc, char **argv)
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{
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int fd;
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int ret = 0;
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int err_code = 0;
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int time = ROTARY_TIMEOUT_ROTATE;
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fd_set rdfds;
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struct input_event rotary_event;
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unsigned short clockwise=0,anticlockwise=0; //±êÖ¾Ðýת·½Ïò
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char buf[COMMAND_VALUESIZE] = {0};
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//char result[COMMAND_VALUESIZE] = RESULT_VERIFY;
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log_info("rotary test process start...\n");
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//* ×¢²áÐźŴ¦Àíº¯Êý
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signal(SIGTERM,(__sighandler_t)rotary_result_send);
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fd = open(ROTARY_INPUT_EVENT, O_RDONLY | O_NOCTTY);
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if (fd < 0) {
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log_err("open fail:%s\n", strerror(errno));
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err_code = ROTARY_OPEN_FAIL;
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goto EXIT;
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}
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while (1&&!(clockwise&&anticlockwise)) {
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if (rotary_wait_event(fd, &rdfds, time) == 0) {
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ret = rotary_event_read(fd, &rotary_event);
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if (ret > 0) {
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if (1==rotary_event.value) {
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log_info("rotary(%d) is clockwise\n", rotary_event.code);
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time = ROTARY_TIMEOUT_ROTATE;
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clockwise = 0x1;
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} else if(-1 == rotary_event.value){
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log_info("rotary(%d) is anticlockwise\n", rotary_event.code);
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time = ROTARY_TIMEOUT_ROTATE;
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anticlockwise = 0x1;
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}
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}
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} else {
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log_err("wait rotary event fail, errno=%d\n", errno);
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err_code = ROTARY_EVENT_TIMEOUT;
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goto EXIT;
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}
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}
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snprintf(buf, sizeof(buf), "rotary_code:%d", rotary_event.code);
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EXIT:
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if (!err_code)
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strcpy(result, RESULT_VERIFY);
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send_msg_to_server(buf, result, err_code);
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return err_code;
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}
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