/**************************************************************************** * apps/games/brickmatch/bm_input_gesture.h * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include "bm_inputs.h" /**************************************************************************** * Preprocessor Definitions ****************************************************************************/ #define APDS9960_DEVNAME "/dev/gest0" /**************************************************************************** * dev_input_init ****************************************************************************/ int dev_input_init(FAR struct input_state_s *dev) { /* Open the gesture sensor APDS9960 */ dev->fd_gest = open(APDS9960_DEVNAME, O_RDONLY | O_NONBLOCK); if (dev->fd_gest < 0) { int errcode = errno; printf("ERROR: Failed to open %s: %d\n", APDS9960_DEVNAME, errcode); return -ENODEV; } return OK; } /**************************************************************************** * dev_read_input ****************************************************************************/ int dev_read_input(FAR struct input_state_s *dev) { int nbytes; uint8_t gest; nbytes = read(dev->fd_gest, &gest, sizeof(gest)); if (nbytes == sizeof(gest)) { dev->dir = gest; } else { dev->dir = DIR_NONE; return -EINVAL; } return OK; }