Mplayer--key.c
物理按键的程序
#include "main.h"
#include"s5pv210-gpio.h"
char *voice_table[6]={"./picture/voice0.bmp","./picture/voice1.bmp",
"./picture/voice2.bmp","./picture/voice3.bmp",
"./picture/voice4.bmp","./picture/voice5.bmp",};
void * key(void *arg){
int fp3=-1,fp2=-1,fp0=-1;
int key ,key_num,flag=0xaa;
fp3=open("/dev/gpH3",O_RDWR);
if(fp3<0){
perror("dev/gpH3");
//_/exit(-1);
}
fp2=open("/dev/gpH2",O_RDWR);
if(fp2<0){
perror("dev/gpH2");
//_exit(-1);
}
printf("\n 111111111111 %d %d\n\n",fp2,fp3);
ioctl(fp3,GPIO_SET_PIN_OUT,0);
ioctl(fp3,GPIO_SET_PULL_DIS,0);
ioctl(fp3,GPIO_CLR_PIN,0);
ioctl(fp3,GPIO_SET_PIN_OUT,1);
ioctl(fp3,GPIO_SET_PULL_DIS,1);
ioctl(fp3,GPIO_CLR_PIN,1);
ioctl(fp2,GPIO_SET_PIN_IN,3);
ioctl(fp2,GPIO_SET_PIN_IN,4);
ioctl(fp2,GPIO_SET_PIN_IN,5);
ioctl(fp2,GPIO_SET_PIN_IN,6);
ioctl(fp2,GPIO_SET_PIN_IN,7);
ioctl(fp2,GPIO_SET_PULL_UP,3);
ioctl(fp2,GPIO_SET_PULL_UP,4);
ioctl(fp2,GPIO_SET_PULL_UP,5);
ioctl(fp2,GPIO_SET_PULL_UP,6);
ioctl(fp2,GPIO_SET_PULL_UP,7);
ioctl(fp2,GPIO_SET_PIN,3);
ioctl(fp2,GPIO_SET_PIN,4);
ioctl(fp2,GPIO_SET_PIN,5);
ioctl(fp2,GPIO_SET_PIN,6);
ioctl(fp2,GPIO_SET_PIN,7);
int fp=open("./fifo_cmd",O_WRONLY);
SONGNAME *namehead=readsongname();
while(1){
printf("\n\n\nxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\n\n");
//sleep(1);
ioctl(fp3,GPIO_CLR_PIN,0);
ioctl(fp3,GPIO_SET_PIN,1);
read(fp2,&key_num,sizeof(key_num));
key=key_num;
usleep(100*1000);
read(fp2,&key_num,sizeof(key_num));
if(key==key_num){
key=key&0xf8;
int flag1=0;
if(key==0xf0){
printf("key1 pressed\n");
N--;
if(N<0)N=10;
SONGNAME *namecmd;
if(N>10)N=0;
char p[255]="loadfile ";
namecmd=namehead;
while(namecmd!=NULL){
if(namecmd->num==N){
strcat(p,namecmd->songname);
disp_song_name(namecmd);//歌曲名字显示
break;
}
namecmd=namecmd->next;
}
strcat(p,"\n");
write(fp,p,strlen(p));
TFT_File_Picture(windowHZ, 400, 0, "./picture/lrc.bmp", 1);
TFT_File_Picture(windowHZ, 25, 106, "./picture/title.bmp", 1);
TFT_File_Picture(windowHZ, 167, 189, "./picture/4.bmp", 1);
flag1=1;
}
if(key==0xe8){
printf("--------------key2 pressed-----------\n");
TFT_ClearWindow(windowHZ);
execlp("poweroff","poweroff",NULL);
//perror("execlp");
flag1=1;
}
if(key==0xd8){
printf("key3 pressed\n");
N++;
SONGNAME *namecmd;
if(N>10)N=0;
char p[255]="loadfile ";
namecmd=namehead;
while(namecmd!=NULL){
if(namecmd->num==N){
strcat(p,namecmd->songname);
disp_song_name(namecmd);//歌曲名字显示
break;
}
namecmd=namecmd->next;
}
strcat(p,"\n");
write(fp,p,strlen(p));
TFT_File_Picture(windowHZ, 400, 0, "./picture/lrc.bmp", 1);
TFT_File_Picture(windowHZ, 25, 106, "./picture/title.bmp", 1);
TFT_File_Picture(windowHZ, 216, 189, "./picture/5.bmp", 1);
flag1=1;
}
if(key==0xb8){
printf("key4 pressed\n");
write(fp,"seek 5\n",strlen("seek 5\n"));
TFT_File_Picture(windowHZ, 118, 189, "./picture/3.bmp", 1);
flag1=1;
}
if(key==0x78){
printf("key5 pressed\n");
write(fp,"seek -5\n",strlen("seek -5\n"));
TFT_File_Picture(windowHZ, 69, 189, "./picture/2.bmp", 1);
flag1=1;
}
if(flag1){
while(key==(key_num&0xf8)){
read(fp2,&key,sizeof(key));
}
}
}
/********************************************************/
ioctl(fp3,GPIO_CLR_PIN,1);
ioctl(fp3,GPIO_SET_PIN,0);
read(fp2,&key_num,sizeof(key_num));
key=key_num;
usleep(100*1000);
int flag2=0;
read(fp2,&key_num,sizeof(key_num));
if(key==key_num){
key=key&0xf0;
if(key==0xe0){
printf("key6 pressed\n");
write(fp,"pause\n",strlen("pause\n"));
if(!pic_flag){
pic_flag=~pic_flag;
TFT_File_Picture(windowHZ, 20, 189, "./picture/11.bmp", 1);
}
else {
pic_flag=~pic_flag;
TFT_File_Picture(windowHZ, 20, 189, "./picture/1.bmp", 1);
}
flag2=1;
}
if(key==0xd0){
printf("key7 pressed\n");
voice=voice+20;
if(!voice_flag){
TFT_File_Picture(windowHZ,265, 189, "./picture/voice.bmp", 1);
}
if(voice>100){
voice=1000;
write(fp,"volume 0\n",strlen("volume 0\n"));
}
printf("voice= %d\n",voice);
TFT_File_Picture(windowHZ, 314, 189, voice_table[voice/20], 1);
if(voice==0)
write(fp,"volume 0 1\n",strlen("volume 0 1\n"));
if(voice==20)
write(fp,"volume 20 1\n",strlen("volume 20 1\n"));
if(voice==40)
write(fp,"volume 40 1\n",strlen("volume 40 1\n"));
if(voice==60)
write(fp,"volume 60 1\n",strlen("volume 60 1\n"));
if(voice==80)
write(fp,"volume 80 1\n",strlen("volume 80 1\n"));
if(voice==100)
write(fp,"volume 100 1\n",strlen("volume 100 1\n"));
flag2=1;
}
if(key==0xb0){//静音
printf("key8 pressed\n");
if(voice_flag){
voice_flag=~voice_flag;
TFT_File_Picture(windowHZ,265, 189, "./picture/voice.bmp", 1);
write(fp,"mute 0\n",strlen("mute 0\n"));
}
else {
voice_flag=~voice_flag;
TFT_File_Picture(windowHZ, 265, 189, "./picture/no_voice.bmp", 1);
write(fp,"mute 1\n",strlen("mute 1\n"));
}
flag2=1;
}
if(key==0x70){
printf("key9 pressed\n");
voice=voice-20;
if(voice_flag){
TFT_File_Picture(windowHZ,265, 189, "./picture/voice.bmp", 1);
}
if(voice<0){
voice=0;
write(fp,"volume 0\n",strlen("volume 0\n"));
}
printf("voice= %d\n",voice);
TFT_File_Picture(windowHZ, 314, 189, voice_table[voice/20], 1);
if(voice==0)
write(fp,"volume 0 1\n",strlen("volume 0 1\n"));
if(voice==20)
write(fp,"volume 20 1\n",strlen("volume 20 1\n"));
if(voice==40)
write(fp,"volume 40 1\n",strlen("volume 40 1\n"));
if(voice==60)
write(fp,"volume 60 1\n",strlen("volume 60 1\n"));
if(voice==80)
write(fp,"volume 80 1\n",strlen("volume 80 1\n"));
if(voice==100)
write(fp,"volume 100 1\n",strlen("volume 100 1\n"));
flag2=1;
}
if(flag2){
while(key==(key_num&0xf0)){
read(fp2,&key,sizeof(key));
}
}
}
}
}