電容螢幕觸控式螢幕驅動——ft5406 晶片
阿新 • • 發佈：2018-12-20
/*產生一個 SYN_MT_REPORT event來標記一個點的結束，告訴接收方接收當前手指的資訊並準備接收其它手指的觸控資訊*/ input_mt_sync(i2c.input_dev); #ifdef DEBUG_MSG printk(KERN_INFO "input press x=%d y%d\n",x,y); #endif case 4:i2c.event.x4 = (s16)(buf[0x15] & 0x0F)<<8 | (s16)buf[0x16];i2c.event.y4 = (s16)(buf[0x17] & 0x0F)<<8 | (s16)buf[0x18]; x = i2c.event.x4; y = i2c.event.y4; input_event(i2c.input_dev, EV_ABS, ABS_MT_TRACKING_ID, 4); input_event(i2c.input_dev, EV_ABS, ABS_MT_POSITION_X, x); input_event(i2c.input_dev, EV_ABS, ABS_MT_POSITION_Y, y); input_event(i2c.input_dev, EV_ABS, ABS_MT_TOUCH_MAJOR, 1); input_mt_sync(i2c.input_dev); #ifdef DEBUG_MSG printk(KERN_INFO "input press x=%d y%d\n",x,y); #endifcase 3:i2c.event.x3 = (s16)(buf[0x0f] & 0x0F)<<8 | (s16)buf[0x10];i2c.event.y3 = (s16)(buf[0x11] & 0x0F)<<8 | (s16)buf[0x12]; x = i2c.event.x3; y = i2c.event.y3; input_event(i2c.input_dev, EV_ABS, ABS_MT_TRACKING_ID, 3); input_event(i2c.input_dev, EV_ABS, ABS_MT_POSITION_X, x); input_event(i2c.input_dev, EV_ABS, ABS_MT_POSITION_Y, y); input_event(i2c.input_dev, EV_ABS, ABS_MT_TOUCH_MAJOR, 1); input_mt_sync(i2c.input_dev); #ifdef DEBUG_MSG printk(KERN_INFO "input press x=%d y%d\n",x,y); #endif case 2:i2c.event.x2 = (s16)(buf[9] & 0x0F)<<8 | (s16)buf[10];i2c.event.y2 = (s16)(buf[11] & 0x0F)<<8 | (s16)buf[12]; x = i2c.event.x2; y = i2c.event.y2; input_event(i2c.input_dev, EV_ABS, ABS_MT_TRACKING_ID, 2); input_event(i2c.input_dev, EV_ABS, ABS_MT_POSITION_X, x); input_event(i2c.input_dev, EV_ABS, ABS_MT_POSITION_Y, y); input_event(i2c.input_dev, EV_ABS, ABS_MT_TOUCH_MAJOR, 1); input_mt_sync(i2c.input_dev); #ifdef DEBUG_MSG printk(KERN_INFO "input press x=%d y%d\n",x,y); #endif case 1:i2c.event.x1 = (s16)(buf[3] & 0x0F)<<8 | (s16)buf[4];i2c.event.y1 = (s16)(buf[5] & 0x0F)<<8 | (s16)buf[6]; x = i2c.event.x1; y = i2c.event.y1; input_event(i2c.input_dev, EV_ABS, ABS_MT_TRACKING_ID,1); input_event(i2c.input_dev, EV_ABS, ABS_MT_POSITION_X, x); input_event(i2c.input_dev, EV_ABS, ABS_MT_POSITION_Y, y); input_event(i2c.input_dev, EV_ABS, ABS_MT_TOUCH_MAJOR, 1); input_mt_sync(i2c.input_dev); #ifdef DEBUG_MSG printk(KERN_INFO "input press x=%d y%d\n",x,y); #endif break;default: return -1; } } else{input_event(i2c.input_dev, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);input_mt_sync(i2c.input_dev);#ifdef DEBUG_MSGprintk(KERN_INFO "realse\n");#endifret = 1; // stop timer interrupt } input_sync(i2c.input_dev);return ret;}