Diff: inv_mpu.h

Revision:

0:61a7cadab29e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inv_mpu.h	Mon Sep 08 23:16:52 2014 +0000
@@ -0,0 +1,124 @@
+/*
+ $License:
+    Copyright (C) 2011-2012 InvenSense Corporation, All Rights Reserved.
+    See included License.txt for License information.
+ $
+ */
+/**
+ *  @addtogroup  DRIVERS Sensor Driver Layer
+ *  @brief       Hardware drivers to communicate with sensors via I2C.
+ *
+ *  @{
+ *      @file       inv_mpu.h
+ *      @brief      An I2C-based driver for Invensense gyroscopes.
+ *      @details    This driver currently works for the following devices:
+ *                  MPU6050
+ *                  MPU6500
+ *                  MPU9150 (or MPU6050 w/ AK8975 on the auxiliary bus)
+ *                  MPU9250 (or MPU6500 w/ AK8963 on the auxiliary bus)
+ */
+
+#ifndef _INV_MPU_H_
+#define _INV_MPU_H_
+
+#define INV_X_GYRO      (0x40)
+#define INV_Y_GYRO      (0x20)
+#define INV_Z_GYRO      (0x10)
+#define INV_XYZ_GYRO    (INV_X_GYRO | INV_Y_GYRO | INV_Z_GYRO)
+#define INV_XYZ_ACCEL   (0x08)
+#define INV_XYZ_COMPASS (0x01)
+
+
+struct int_param_s {
+    void (*cb)(void);
+};
+
+#define MPU_INT_STATUS_DATA_READY       (0x0001)
+#define MPU_INT_STATUS_DMP              (0x0002)
+#define MPU_INT_STATUS_PLL_READY        (0x0004)
+#define MPU_INT_STATUS_I2C_MST          (0x0008)
+#define MPU_INT_STATUS_FIFO_OVERFLOW    (0x0010)
+#define MPU_INT_STATUS_ZMOT             (0x0020)
+#define MPU_INT_STATUS_MOT              (0x0040)
+#define MPU_INT_STATUS_FREE_FALL        (0x0080)
+#define MPU_INT_STATUS_DMP_0            (0x0100)
+#define MPU_INT_STATUS_DMP_1            (0x0200)
+#define MPU_INT_STATUS_DMP_2            (0x0400)
+#define MPU_INT_STATUS_DMP_3            (0x0800)
+#define MPU_INT_STATUS_DMP_4            (0x1000)
+#define MPU_INT_STATUS_DMP_5            (0x2000)
+
+/* Set up APIs */
+int mpu_init(struct int_param_s *int_param);
+int mpu_init_slave(void);
+int mpu_set_bypass(unsigned char bypass_on);
+
+/* Configuration APIs */
+int mpu_lp_accel_mode(unsigned short rate);
+int mpu_lp_motion_interrupt(unsigned short thresh, unsigned char time,
+    unsigned short lpa_freq);
+int mpu_set_int_level(unsigned char active_low);
+int mpu_set_int_latched(unsigned char enable);
+
+int mpu_set_dmp_state(unsigned char enable);
+int mpu_get_dmp_state(unsigned char *enabled);
+
+int mpu_get_lpf(unsigned short *lpf);
+int mpu_set_lpf(unsigned short lpf);
+
+int mpu_get_gyro_fsr(unsigned short *fsr);
+int mpu_set_gyro_fsr(unsigned short fsr);
+
+int mpu_get_accel_fsr(unsigned char *fsr);
+int mpu_set_accel_fsr(unsigned char fsr);
+
+int mpu_get_compass_fsr(unsigned short *fsr);
+
+int mpu_get_gyro_sens(float *sens);
+int mpu_get_accel_sens(unsigned short *sens);
+
+int mpu_get_sample_rate(unsigned short *rate);
+int mpu_set_sample_rate(unsigned short rate);
+int mpu_get_compass_sample_rate(unsigned short *rate);
+int mpu_set_compass_sample_rate(unsigned short rate);
+
+int mpu_get_fifo_config(unsigned char *sensors);
+int mpu_configure_fifo(unsigned char sensors);
+
+int mpu_get_power_state(unsigned char *power_on);
+int mpu_set_sensors(unsigned char sensors);
+
+int mpu_read_6500_accel_bias(long *accel_bias);
+int mpu_set_gyro_bias_reg(long * gyro_bias);
+int mpu_set_accel_bias_6500_reg(const long *accel_bias);
+int mpu_read_6050_accel_bias(long *accel_bias);
+int mpu_set_accel_bias_6050_reg(const long *accel_bias);
+
+/* Data getter/setter APIs */
+int mpu_get_gyro_reg(short *data, unsigned long *timestamp);
+int mpu_get_accel_reg(short *data, unsigned long *timestamp);
+int mpu_get_compass_reg(short *data, unsigned long *timestamp);
+int mpu_get_temperature(long *data, unsigned long *timestamp);
+
+int mpu_get_int_status(short *status);
+int mpu_read_fifo(short *gyro, short *accel, unsigned long *timestamp,
+    unsigned char *sensors, unsigned char *more);
+int mpu_read_fifo_stream(unsigned short length, unsigned char *data,
+    unsigned char *more);
+int mpu_reset_fifo(void);
+
+int mpu_write_mem(unsigned short mem_addr, unsigned short length,
+    unsigned char *data);
+int mpu_read_mem(unsigned short mem_addr, unsigned short length,
+    unsigned char *data);
+int mpu_load_firmware(unsigned short length, const unsigned char *firmware,
+    unsigned short start_addr, unsigned short sample_rate);
+
+int mpu_reg_dump(void);
+int mpu_read_reg(unsigned char reg, unsigned char *data);
+int mpu_run_self_test(long *gyro, long *accel);
+int mpu_run_6500_self_test(long *gyro, long *accel, unsigned char debug);
+int mpu_register_tap_cb(void (*func)(unsigned char, unsigned char));
+
+#endif  /* #ifndef _INV_MPU_H_ */
+