yaokong.zip_linux 韦根_韦根_韦根接收

#include <linux/module.h> #include <linux/init.h> #include <linux/interrupt.h> #include <plat/irqs.h> #include <linux/errno.h> #include <linux/input.h> #include <linux/bitops.h> #include <plat/regs-gpio.h> #include <asm/io.h> #include <plat/regs-timer.h> #include <linux/cdev.h> #include <linux/kdev_t.h> #include <asm/uaccess.h> #include <linux/fs.h> #include <linux/semaphore.h> #define NUM 19 #define LEN 32 #define HIGH_V 30 #define ALL_ONE LEN*50+278 static int started = 0; static int count; static int data[LEN+10]; static char keys[LEN/8]; static char kiss[2];//最终传输 struct semaphore sema;//信号量 static char my_key[NUM] = { KEY_I, KEY_E, KEY_J, KEY_B, KEY_C, KEY_D, KEY_Q, KEY_F, KEY_P, KEY_G, KEY_A, KEY_H, KEY_LEFT, KEY_UP, KEY_RIGHT, KEY_DOWN, KEY_SPACE, KEY_ESC, }; static struct input_dev *my_dev;//为啥input_dev补不全 ////////////////////////////////////////////////////////// typedef struct { u8 irqno; u8 code; }MYKEY_T; static MYKEY_T keysss[5] = {{IRQ_EINT(0), KEY_UP},//六个按键 {IRQ_EINT(1), KEY_DOWN}, {IRQ_EINT(2), KEY_LEFT}, {IRQ_EINT(3), KEY_RIGHT}, {IRQ_EINT(4), KEY_ENTER}, }; irqreturn_t irq_key(int irqno, void *arg)//中断 { int i = (int)arg; if (i >= ARRAY_SIZE(keysss))//如果超过就丢弃防止越界 return IRQ_HANDLED; printk("=====>%d",i); if (ioread8(S3C64XX_GPNDAT) & (1 << i)) input_report_key(my_dev, keysss[i].code, 0); //released else input_report_key(my_dev, keysss[i].code, 1); //pressed input_sync(my_dev);//同步，为必须 return IRQ_HANDLED; } /////////////////////////////////////////////////// void my_time_stop() { u32 va; va = ioread32(S3C_TCON); va &= ~1; iowrite32(va, S3C_TCON); } void my_time_start() { u32 va; va = ioread32(S3C_TCON); va |= ((1<<3)|1); iowrite32(va ,S3C_TCON); } void my_time_updata() { u32 va; iowrite32(ALL_ONE,S3C_TCNTB(0)); va = ioread32(S3C_TCON); va |= 1<<1; iowrite32(va, S3C_TCON); va &= ~(1<<1); iowrite32(va, S3C_TCON); } void my_changge() { int i,j,tmp; for(i = 0;i < LEN/8 ;i++) { tmp = 0; for(j = 0;j <8; j++) { if(data[i*8+j+1] > HIGH_V) tmp |= 1<<j; } keys[i] = tmp; printk("before:%02x \n",keys[i]); } for(i=0;i < 2;i++) { keys[i] = keys[i+2]; printk("keys%02x \n",keys[i]); kiss[i] = keys[i];//最终数据 printk("here:%02x \n",kiss[i]); } switch(kiss[0]){ case 0x45: switch(kiss[1]){ case 0xba: input_report_key(my_dev,my_key[0],1);//I printk("-------->I!"); input_report_key(my_dev,my_key[0],0); break; } break; case 0x46: switch(kiss[1]){ case 0xb9: input_report_key(my_dev ,my_key[1] , 1);//E printk("-------->E!"); input_report_key(my_dev,my_key[1] , 0); break; } break; case 0x47: switch(kiss[1]){ case 0xb8: input_report_key(my_dev ,my_key[2],1);//J printk("-------->J!"); input_report_key(my_dev,my_key[2],0); break; } break; case 0x44: switch(kiss[1]){ case 0xbb: input_report_key(my_dev ,my_key[3],1);//B printk("-------->rB!"); input_report_key(my_dev,my_key[3],0); break; } break; case 0x40: switch(kiss[1]){ case 0xbf: input_report_key(my_dev ,my_key[4],1);//C printk("-------->C!"); input_report_key(my_dev,my_key[4],0); break; } break; case 0x43: switch(kiss[1]){ case 0xbc: input_report_key(my_dev ,my_key[5],1);//D printk("-------->D!"); input_report_key(my_dev,my_key[5],0); break; } break; case 0x07: switch(kiss[1]){ case 0xf8: input_report_key(my_dev ,my_key[6],1);//Q printk("-------->qqqq!"); input_report_key(my_dev,my_key[6],0); break; } break; case 0x15: switch(kiss[1]){ case 0xea: input_report_key(my_dev ,my_key[7],1);//F printk("-------->FFF!"); input_report_key(my_dev,my_key[7],0); break; } break; case 0x09: switch(kiss[1]){ case 0xf6: input_report_key(my_dev ,my_key[8],1);//p printk("-------->pp!"); input_report_key(my_dev,my_key[8],0); break; } break; case 0x16: switch(kiss[1]){ case 0xe9: input_report_key(my_dev ,my_key[9],1);//G printk("-------->GGG!"); input_report_key(my_dev,my_key[9],0); break; } break; case 0x19: switch(kiss[1]){ case 0xe6: input_report_key(my_dev ,my_key[10],1);//A printk("-------->AAA!"); input_report_key(my_dev,my_key[10],0); break; } break; case 0x0d: switch(kiss[1]){ case 0xf2: input_report_key(my_dev ,my_key[11],1);//H printk("-------->HHH!"); input_report_key(my_dev,my_key[11],0); break; } break; /* case 0x0c: switch(kiss[1]){ case 0xf3: input_report_key(my_dev ,my_key[7],1);//p printk("-------->ppp!"); input_report_key(my_dev,my_key[7],0); break; } break; case 0x18: switch(kiss[1]){ case 0xe7: input_report_key(my_dev ,my_key[7],1);//p printk("-------->ppp!"); input_report_key(my_dev,my_key[7],0); break; } break; case 0x5e: switch(kiss[1]){ case 0xa1: input_report_key(my_dev ,my_key[7],1);//p printk("-------->ppp!"); input_report_key(my_dev,my_key[7],0); break; } break; */ case 0x08: switch(kiss[1]){ case 0xf7: input_report_key(my_dev ,my_key[12],1);//LEFT printk("-------->LEFT!"); input_report_key(my_dev,my_key[12],0); break; } break; case 0x1c: switch(kiss[1]){ case 0xe3: input_report_key(my_dev ,my_key[13],1);//UP printk("-------->UP!"); input_report_key(my_dev,my_key[13],0); break; } break; case 0x5a: switch(kiss[1]){ case 0xa5: input_report_key(my_dev ,my_key[14],1);//RIGHT printk("-------->RIGH!"); input_report_key(my_dev,my_key[14],0); break; } break; case 0x42: switch(kiss[1]){ case 0xbd: input_report_key(my_dev ,my_key[15],1);//SPACE printk("-------->SACPE!"); input_report_key(my_dev,my_key[15],0); break; } break; case 0x52: switch(kiss[1]){ case 0xad: input_report_key(my_dev ,my_key[16],1);//DOWN printk("-------->DOWN!"); input_report_key(my_dev,my_key[16],0); break; } break; case 0x4a: switch(kiss[1]){ case 0xb5: input_report_key(my_dev ,my_key[17],1);//ESC printk("-------->ESC!"); input_report_key(my_dev,my_key[17],0); break; } break; ////////////////////////////////////////////////// } input_sync(my_dev); } irqreturn_t my_func(int num, void *arg)//当有遥控信号时 { static int a; int last; if(!started) { started = 1; count = 0; a = ALL_ONE; my_time_updata(); my_time_start(); return IRQ_HANDLED; } if(count >LEN) return IRQ_HANDLED; last = ioread32(S3C_TCNTO(0));//读定时器零剩下多少 data[count++] = a - last; a = last; return IRQ_HANDLED; } irqreturn_t my_time_func(int num, void * arg)//计时 { my_time_stop(); my_changge(); started = 0;//restart return IRQ_HANDLED; } int __init my_yaokong(void) { u