/**************************************************************************** * examples/bmi160/sixaxis_main.c * * Copyright 2018 Sony Semiconductor Solutions Corporation * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name of Sony Semiconductor Solutions Corporation nor * the names of its contributors may be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #define ACC_DEVPATH "/dev/accel0" /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * sixaxis_main ****************************************************************************/ int main(int argc, FAR char *argv[]) { int fd; struct accel_gyro_st_s data; uint32_t prev; fd = open(ACC_DEVPATH, O_RDONLY); if (fd < 0) { printf("Device %s open failure. %d\n", ACC_DEVPATH, fd); return -1; } prev = 0; for (; ; ) { int ret; ret = read(fd, &data, sizeof(struct accel_gyro_st_s)); if (ret != sizeof(struct accel_gyro_st_s)) { fprintf(stderr, "Read failed.\n"); break; } /* If sensing time has been changed, show 6 axis data. */ if (prev != data.sensor_time) { printf("[%d] %d, %d, %d / %d, %d, %d\n", data.sensor_time, data.gyro.x, data.gyro.y, data.gyro.z, data.accel.x, data.accel.y, data.accel.z); fflush(stdout); prev = data.sensor_time; } } close(fd); return 0; }