#define _GNU_SOURCE #include #include #include "lis3dh.h" #include "i2c.h" int main() { lis3dh_t lis; struct lis3dh_fifo_data data; int i; lis.dev.init = i2c_init; lis.dev.read = i2c_read; lis.dev.write = i2c_write; lis.dev.sleep = usleep; lis.dev.deinit = i2c_deinit; /* initialise LIS3DH struct */ if (lis3dh_init(&lis)) { /* error handling */ } /* reset device just in case */ if (lis3dh_reset(&lis)) { /* error handling */ } lis.cfg.mode = LIS3DH_MODE_HR; lis.cfg.range = LIS3DH_FS_4G; lis.cfg.rate = LIS3DH_ODR_100_HZ; lis.cfg.fifo.mode = LIS3DH_FIFO_MODE_NORMAL; /* write device config */ if (lis3dh_configure(&lis)) { /* error handling */ } /* poll fifo register until it reports that the watermark level has been reached, or that it has overwritten old data, whichever happens first. */ if (lis3dh_poll_fifo(&lis)) { /* error handling */ } /* read as many [x y z] sets as specified by watermark level (fth) */ /* copy them to the fifo data struct given below as `fifo' */ if (lis3dh_read_fifo(&lis, &data)) { /* error handling */ } /* read out fifo buffer data */ for(i=0; i