1 /* 2 $License: 3 Copyright 2011 InvenSense, Inc. 4 5 Licensed under the Apache License, Version 2.0 (the "License"); 6 you may not use this file except in compliance with the License. 7 You may obtain a copy of the License at 8 9 http://www.apache.org/licenses/LICENSE-2.0 10 11 Unless required by applicable law or agreed to in writing, software 12 distributed under the License is distributed on an "AS IS" BASIS, 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 See the License for the specific language governing permissions and 15 limitations under the License. 16 $ 17 */ 18 #ifndef INVENSENSE_INV_FIFO_HW_H__ 19 #define INVENSENSE_INV_FIFO_HW_H__ 20 21 #include "mpu.h" 22 #include "mltypes.h" 23 #include "mlinclude.h" 24 #ifdef INV_INCLUDE_LEGACY_HEADERS 25 #include "mlFIFOHW_legacy.h" 26 #endif 27 28 #ifdef __cplusplus 29 extern "C" { 30 #endif 31 32 // This is the maximum amount of FIFO data we would read in one packet 33 #define MAX_FIFO_LENGTH (256) 34 // This is the hardware size of the FIFO 35 #define FIFO_FOOTER_SIZE (2) 36 37 uint_fast16_t inv_get_fifo(uint_fast16_t length, unsigned char *buffer); 38 inv_error_t inv_get_fifo_status(void); 39 inv_error_t inv_get_fifo_length(uint_fast16_t * len); 40 short inv_get_fifo_count(void); 41 inv_error_t inv_reset_fifo(void); 42 void inv_init_fifo_hardare(); 43 inv_error_t inv_read_fifo(unsigned char *data, uint_fast16_t len); 44 45 #ifdef __cplusplus 46 } 47 #endif 48 #endif // INVENSENSE_INV_FIFO_HW_H__ 49
