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controller.c
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controller.c
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#include <wiringPi.h>
#include <stdio.h>
#include <pthread.h>
#include <vector>
#include <string>
#include <string.h>
#include <iostream>
#include <time.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <softTone.h>
using namespace std;
//シフトレジスタ
#define CLOCKPIN 1
#define LATCHPIN 4
#define DATAPIN 5
//リードスイッチ
#define INPUTPIN 6
//デバッグLEDピン
#define DEBUGLEDPIN 10
//デバッグブザーピン
#define SOUNDPIN 29
//LED個数
#define LED_LENGTH 48
//デバッグブザー鳴らすか
#define SOUND 0
//各ステータス
#define READING 0
#define COMPLETE 1
#define NONE 2
//受信フレーム列
vector<vector<string>> frameList;
//フレーム列の長さ
int frameListLength = 1;
//フレーム列のインデックス
int frameListIndex = 0;
//フレーム列の切り替え速度
int frameListInterval = 1000000;
//現在のフレーム
vector<string> lineList;
//ラインのインデックス
int lineListIndex = 0;
//ラインの長さ
int lineListLength = 0;
//現在ステータス
int status = NONE;
//1回転の秒数(マイクロ秒)
unsigned int rpMicros = 1000000;
//1ラインの表示時間
unsigned int lineMicros = 100000;
//ブザー音階
int sounds[8] = {262, 294, 330, 349, 392, 440, 494, 525};
//排他制御
pthread_mutex_t mutex;
unsigned long getTime()
{
timeval time;
gettimeofday(&time, NULL);
return (time.tv_sec * 1000000ULL + time.tv_usec);
}
void update()
{
//一回転の時間をライン数で割って表示する時間を求めるのです
lineMicros = rpMicros / lineListLength;
lineListIndex = 0;
}
void write(string val)
{
digitalWrite(LATCHPIN, 0);
for(int i = 0; i < LED_LENGTH; i++ )
{
digitalWrite(DATAPIN, val[i] == '1');
digitalWrite(CLOCKPIN, 1);
digitalWrite(CLOCKPIN, 0);
}
digitalWrite(LATCHPIN, 1);
}
//コマンド受付用スレッド
void* thread_command(void* args)
{
while(1){
string str;
cin >> str;
if(str == "begin"){
pthread_mutex_lock(&mutex);
//status = READING;
cout << "+データ" << endl;
cin >> lineListLength;
cout << " -ライン数 > " << lineListLength << "ライン" << endl;
cin >> frameListLength;
cout << " -フレーム数 > " << frameListLength << "フレーム" << endl;
cin >> frameListInterval;
cout << " -フレーム秒 > " << frameListInterval << "μs" << endl;
cout << " +フレーム" << endl;
string tmpLine;
vector<vector<string>> tmpFrameList;
//全フレーム収集
for(int frameListIndex = 0; frameListIndex < frameListLength; frameListIndex ++){
//全ライン収集
vector<string> tmpLineList;
for(int lineListIndex = 0; lineListIndex < lineListLength; lineListIndex ++){
cin >> tmpLine;
tmpLineList.push_back(tmpLine);
}
tmpFrameList.push_back(tmpLineList);
cout << " -フレーム" << (frameListIndex+1) << "/" << frameListLength << endl;
}
cout << " -フレーム" << endl;
cout << "-データ" << endl;
frameList = tmpFrameList;
status = COMPLETE;
frameListIndex = 0;
lineListIndex = 0;
pthread_mutex_unlock(&mutex);
}
}
return NULL;
}
//回転速度検知用スレッド
void* thread_rotationTimer(void* args)
{
unsigned long pt = 0, nt = 0, diff;
int prevStatus = 1;
while(1){
int status = digitalRead(INPUTPIN);
if(status == prevStatus) continue;
prevStatus = status;
if(status == 0){
nt = getTime();
diff = nt - pt;
if(diff > 100000){
pt = nt;
//cout << diff << endl;
rpMicros = diff;
update();
}
}
}
return NULL;
}
//レンダリング用スレッド
void* thread_render(void* args)
{
unsigned long pt = 0, nt = 0;
while(1){
if(status != COMPLETE) continue;
nt = getTime();
if(pt + lineMicros < nt ){
pt = nt;
pthread_mutex_lock(&mutex);
if(lineListIndex >= lineListLength) lineListIndex = 0;
//フレームを取得
lineList = frameList[frameListIndex];
digitalWrite(DEBUGLEDPIN, lineListIndex == 0);
write(lineList[lineListIndex]);
if(SOUND) softToneWrite(SOUNDPIN, sounds[(int)((float)lineListIndex/lineListLength*8)]);
lineListIndex ++;
pthread_mutex_unlock(&mutex);
}
}
return NULL;
}
//フレーム進行用スレッド
void* thread_frame(void* args)
{
unsigned long pt = 0, nt = 0;
while(1){
if(status != COMPLETE) continue;
nt = getTime();
if(pt + frameListInterval < nt ){
pt = nt;
pthread_mutex_lock(&mutex);
frameListIndex ++;
if(frameListIndex >= frameListLength) frameListIndex = 0;
pthread_mutex_unlock(&mutex);
}
}
return NULL;
}
void init_music()
{
write("111111111111111111111111111111111111111111111111");
delay(500);
softToneWrite(SOUNDPIN, sounds[0]);
delay(500);
softToneWrite(SOUNDPIN, sounds[1]);
delay(500);
softToneWrite(SOUNDPIN, sounds[2]);
delay(500);
softToneWrite(SOUNDPIN, sounds[3]);
delay(500);
softToneWrite(SOUNDPIN, sounds[2]);
delay(500);
softToneWrite(SOUNDPIN, sounds[1]);
delay(500);
softToneWrite(SOUNDPIN, sounds[0]);
delay(500);
softToneWrite(SOUNDPIN, 0);
write("0000000000000000000000000000000000000000000000000");
}
int main(void)
{
if(wiringPiSetup() == -1){
return 1;
}
pullUpDnControl(INPUTPIN, PUD_UP);
pinMode(INPUTPIN, INPUT);
pinMode(DATAPIN, OUTPUT);
pinMode(LATCHPIN, OUTPUT);
pinMode(CLOCKPIN, OUTPUT);
pinMode(DEBUGLEDPIN, OUTPUT);
softToneCreate(SOUNDPIN);
init_music();
pthread_mutex_init(&mutex, NULL);
pthread_t _thread_rotationTimer;
pthread_create(&_thread_rotationTimer, NULL, thread_rotationTimer, (void *)NULL);
pthread_t _thread_frame;
pthread_create(&_thread_frame, NULL, thread_frame, (void *)NULL);
pthread_t _thread_render;
pthread_create(&_thread_render, NULL, thread_render, (void *)NULL);
pthread_t _thread_command;
pthread_create(&_thread_command, NULL, thread_command, (void *)NULL);
while(1){
}
pthread_mutex_destroy(&mutex);
return 0;
}