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/*
* Copyright (c) 2010 NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_NVODM_PRIV_ACCELEROMETER_H
#define INCLUDED_NVODM_PRIV_ACCELEROMETER_H
#if defined(__cplusplus)
extern "C"
{
#endif
#include "nvodm_accelerometer.h"
#include "nvodm_services.h"
#include "nvodm_query_discovery.h"
#include "nvos.h"
#define NVODMACCELEROMETER_ENABLE_PRINTF 0
#if NVODMACCELEROMETER_ENABLE_PRINTF
#define NVODMACCELEROMETER_PRINTF(x) \
do { \
NvOdmOsPrintf x; \
} while (0)
#else
#define NVODMACCELEROMETER_PRINTF(x)
#endif
// Set 1 to have display orientation aligning correctly in 3 orientations
// (0, 90 & 270 degrees) on Tango with (froyo + K32).
// set 0 to have acceleration values on different axes matching to android
// phones, but display orientation not changing properly.
#define AXES_MAPPING_FOR_PROPER_DISPLAY_ALIGNMENT 1
/*
* Defines the threshold source for the accelerometer.
*/
typedef enum
{
/// Indicates the accelerometer generated interrupt by exceeding the x threshold.
NvOdmAccelerometerThresholdSource_X = 0,
/// Indicates the accelerometer generated interrupt by exceeding the y threshold.
NvOdmAccelerometerThresholdSource_Y,
/// Indicates the accelerometer generated interrupt by exceeding the z threshold.
NvOdmAccelerometerThresholdSource_Z,
NvOdmAccelerometerThresholdSource_Force32 = 0x7FFFFFFF
} NvOdmAccelerometerThresholdSource;
// Timeout for I2C transaction.
enum { I2C_ACCELRATOR_TRANSACTION_TIMEOUT = 1000 };
// Maximum number of packetsize supported by the I2C controller.
enum { I2C_ACCELRATOR_PACKET_SIZE = 8};
NvBool bma150_init(NvOdmAccelHandle* hDevice);
NvBool kxtf9_init(NvOdmAccelHandle* hDevice);
typedef NvBool (*NvOdmPrivAccelOpen)(NvOdmAccelHandle hDevice);
typedef void (*NvOdmPrivAccelClose)(NvOdmAccelHandle hDevice);
typedef NvBool
(*NvOdmPrivAccelSetIntForceThreshold)(NvOdmAccelHandle hDevice,
NvOdmAccelIntType IntType,
NvU32 IntNum,
NvU32 Threshold);
typedef NvBool
(*NvOdmPrivAccelSetIntTimeThreshold)(NvOdmAccelHandle hDevice,
NvOdmAccelIntType IntType,
NvU32 IntNum,
NvU32 Threshold);
typedef NvBool
(*NvOdmPrivAccelSetIntEnable)(NvOdmAccelHandle hDevice,
NvOdmAccelIntType IntType,
NvOdmAccelAxisType IntAxis,
NvU32 IntNum,
NvBool Toggle);
typedef void
(*NvOdmPrivAccelWaitInt)(NvOdmAccelHandle hDevice,
NvOdmAccelIntType *IntType,
NvOdmAccelAxisType *IntMotionAxis,
NvOdmAccelAxisType *IntTapAxis);
typedef void (*NvOdmPrivAccelSignal)(NvOdmAccelHandle hDevice);
typedef NvBool (*NvOdmPrivAccelGetAcceleration)(NvOdmAccelHandle hDevice,
NvS32 *AccelX,
NvS32 *AccelY,
NvS32 *AccelZ);
typedef NvOdmAccelerometerCaps (*NvOdmPrivAccelGetCaps)(NvOdmAccelHandle hDevice);
typedef NvBool (*NvOdmPrivAccelSetPowerState)(NvOdmAccelHandle hDevice,
NvOdmAccelPowerType PowerState);
typedef NvBool
(*NvOdmPrivAccelSetSampleRate)(NvOdmAccelHandle hDevice,
NvU32 SampleRate);
typedef NvBool
(*NvOdmPrivAccelGetSampleRate)(NvOdmAccelHandle hDevice, NvU32* pSampleRate);
/*
* Holds register address and value pairs.
*/
typedef struct NvDevCtrlRegRec {
/// Holds the register offset.
NvU8 RegAddr;
/// Holds the value programmed into the upper address.
NvU8 RegValue;
} NvDevCtrlReg;
/*
* Max accelerometer registers number.
*/
#define ACCELEROMETER_CONTROL_REGS_MAX_LENGHT 100
/*
* Max accelerometer callback functions number.
*/
#define ACCELEROMETER_CALLBACK_ARRAY_LENGTH 5
/*
* Defines the way to read accelerometer registers.
*/
typedef NvBool
(*AccelerometerRegsRead)(
NvOdmAccelHandle hDevice,
NvU8 nRegOffset,
NvU8* nData,
NvU32 nLen);
/*
* Defines the way to write accelerometer registers.
*/
typedef NvBool
(*AccelerometerRegsWrite)(
NvOdmAccelHandle hDevice,
NvU8 nRegOffset,
NvU8* nData,
NvU32 nLen);
typedef struct NvOdmAccelRec
{
// Specifies use I2C or SPI to configure accelerometer registers.
NvU8 nBusType;
// Specifies accelerometer device address, for example, I2C write address.
NvU8 nDevAddr;
// Specifies the initial value that make accelerometer work,
// ACCELEROMETER_CONTROL_REGS_MAX_LENGHT is always 100.
NvDevCtrlReg CtrlRegsList[ACCELEROMETER_CONTROL_REGS_MAX_LENGHT];
// Specifies the initial CtrlRegsList length.
NvU8 nLength;
// Specifies accelerometer chip ID.
NvU8 nChipID;
// Specifies the way to get accelerometer register information.
AccelerometerRegsRead RegsRead;
// Specifies the way to set accelerometer register information.
AccelerometerRegsWrite RegsWrite;
// various pointers to access accelerometer functions
NvOdmPrivAccelOpen AccelOpen;
NvOdmPrivAccelClose AccelClose;
NvOdmPrivAccelSetIntForceThreshold AccelSetIntForceThreshold;
NvOdmPrivAccelSetIntTimeThreshold AccelSetIntTimeThreshold;
NvOdmPrivAccelSetIntEnable AccelSetIntEnable;
NvOdmPrivAccelWaitInt AccelWaitInt;
NvOdmPrivAccelSignal AccelSignal;
NvOdmPrivAccelGetAcceleration AccelGetAcceleration;
NvOdmPrivAccelGetCaps AccelGetCaps;
NvOdmPrivAccelSetPowerState AccelSetPowerState;
NvOdmPrivAccelSetSampleRate AccelSetSampleRate;
NvOdmPrivAccelGetSampleRate AccelGetSampleRate;
// Specifies I2C handle from the system.
NvOdmServicesI2cHandle hOdmI2C;
// Interrupt pin to ap15.
NvOdmServicesGpioHandle hGpioINT;
NvOdmGpioPinHandle hPinINT;
NvU32 GPIOPortINT;
NvU32 GPIOPinINT;
NvOdmOsSemaphoreHandle SemaphoreForINT;
NvOdmServicesGpioIntrHandle hGpioInterrupt;
NvOdmAccelIntType Data;
NvOdmServicesPmuHandle hPmu;
NvU32 VddId;
NvU32 I2CChannelId;
NvOdmAccelerometerCaps Caption;
NvOdmAccelPowerType PowerState;
// In real case, when the board put in frontispiece, the value from z axis
// should be g, but due to physical connect on different board, the axis
// should be remapped to the correct one.
NvOdmAccelAxisType AxisXMapping;
// If the physical direct is the same with our expection, the value
// should be set to 1, or else the value should be -1.
NvS32 AxisXDirection;
NvOdmAccelAxisType AxisYMapping;
NvS32 AxisYDirection;
NvOdmAccelAxisType AxisZMapping;
NvS32 AxisZDirection;
} NvOdmAccel;
#if defined(__cplusplus)
}
#endif
/** @} */
#endif // INCLUDED_NVODM_PRIV_ACCELEROMETER_H
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