242 lines
8.5 KiB
C
242 lines
8.5 KiB
C
/*******************************************************************************
|
|
Copyright © 2015, STMicroelectronics International N.V.
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* 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.
|
|
* Neither the name of STMicroelectronics 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, FITNESS FOR A PARTICULAR PURPOSE, AND
|
|
NON-INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS ARE DISCLAIMED.
|
|
IN NO EVENT SHALL STMICROELECTRONICS INTERNATIONAL N.V. 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.
|
|
********************************************************************************/
|
|
|
|
|
|
#ifndef _VL53L0X_PLATFORM_H_
|
|
#define _VL53L0X_PLATFORM_H_
|
|
|
|
#include "vl53l0x_def.h"
|
|
#include "vl53l0x_platform_log.h"
|
|
#include "vl53l0x_i2c_platform.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @file vl53l0x_platform.h
|
|
*
|
|
* @brief All end user OS/platform/application porting
|
|
*/
|
|
|
|
/**
|
|
* @defgroup VL53L0X_platform_group VL53L0X Platform Functions
|
|
* @brief VL53L0X Platform Functions
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @struct VL53L0X_Dev_t
|
|
* @brief Generic PAL device type that does link between API and platform abstraction layer
|
|
*
|
|
*/
|
|
typedef struct {
|
|
VL53L0X_DevData_t Data; /*!< embed ST Ewok Dev data as "Data"*/
|
|
|
|
/*!< user specific field */
|
|
uint8_t I2cDevAddr; /*!< i2c device address user specific field */
|
|
uint8_t comms_type; /*!< Type of comms : VL53L0X_COMMS_I2C or VL53L0X_COMMS_SPI */
|
|
uint16_t comms_speed_khz; /*!< Comms speed [kHz] : typically 400kHz for I2C */
|
|
|
|
} VL53L0X_Dev_t;
|
|
|
|
|
|
/**
|
|
* @brief Declare the device Handle as a pointer of the structure @a VL53L0X_Dev_t.
|
|
*
|
|
*/
|
|
typedef VL53L0X_Dev_t* VL53L0X_DEV;
|
|
|
|
/**
|
|
* @def PALDevDataGet
|
|
* @brief Get ST private structure @a VL53L0X_DevData_t data access
|
|
*
|
|
* @param Dev Device Handle
|
|
* @param field ST structure field name
|
|
* It maybe used and as real data "ref" not just as "get" for sub-structure item
|
|
* like PALDevDataGet(FilterData.field)[i] or PALDevDataGet(FilterData.MeasurementIndex)++
|
|
*/
|
|
#define PALDevDataGet(Dev, field) (Dev->Data.field)
|
|
|
|
/**
|
|
* @def PALDevDataSet(Dev, field, data)
|
|
* @brief Set ST private structure @a VL53L0X_DevData_t data field
|
|
* @param Dev Device Handle
|
|
* @param field ST structure field name
|
|
* @param data Data to be set
|
|
*/
|
|
#define PALDevDataSet(Dev, field, data) (Dev->Data.field)=(data)
|
|
|
|
|
|
/**
|
|
* @defgroup VL53L0X_registerAccess_group PAL Register Access Functions
|
|
* @brief PAL Register Access Functions
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* Lock comms interface to serialize all commands to a shared I2C interface for a specific device
|
|
* @param Dev Device Handle
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_LockSequenceAccess(VL53L0X_DEV Dev);
|
|
|
|
/**
|
|
* Unlock comms interface to serialize all commands to a shared I2C interface for a specific device
|
|
* @param Dev Device Handle
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_UnlockSequenceAccess(VL53L0X_DEV Dev);
|
|
|
|
|
|
/**
|
|
* Writes the supplied byte buffer to the device
|
|
* @param Dev Device Handle
|
|
* @param index The register index
|
|
* @param pdata Pointer to uint8_t buffer containing the data to be written
|
|
* @param count Number of bytes in the supplied byte buffer
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_WriteMulti(VL53L0X_DEV Dev, uint8_t index, uint8_t *pdata, uint32_t count);
|
|
|
|
/**
|
|
* Reads the requested number of bytes from the device
|
|
* @param Dev Device Handle
|
|
* @param index The register index
|
|
* @param pdata Pointer to the uint8_t buffer to store read data
|
|
* @param count Number of uint8_t's to read
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_ReadMulti(VL53L0X_DEV Dev, uint8_t index, uint8_t *pdata, uint32_t count);
|
|
|
|
/**
|
|
* Write single byte register
|
|
* @param Dev Device Handle
|
|
* @param index The register index
|
|
* @param data 8 bit register data
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_WrByte(VL53L0X_DEV Dev, uint8_t index, uint8_t data);
|
|
|
|
/**
|
|
* Write word register
|
|
* @param Dev Device Handle
|
|
* @param index The register index
|
|
* @param data 16 bit register data
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_WrWord(VL53L0X_DEV Dev, uint8_t index, uint16_t data);
|
|
|
|
/**
|
|
* Write double word (4 byte) register
|
|
* @param Dev Device Handle
|
|
* @param index The register index
|
|
* @param data 32 bit register data
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_WrDWord(VL53L0X_DEV Dev, uint8_t index, uint32_t data);
|
|
|
|
/**
|
|
* Read single byte register
|
|
* @param Dev Device Handle
|
|
* @param index The register index
|
|
* @param data pointer to 8 bit data
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_RdByte(VL53L0X_DEV Dev, uint8_t index, uint8_t *data);
|
|
|
|
/**
|
|
* Read word (2byte) register
|
|
* @param Dev Device Handle
|
|
* @param index The register index
|
|
* @param data pointer to 16 bit data
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_RdWord(VL53L0X_DEV Dev, uint8_t index, uint16_t *data);
|
|
|
|
/**
|
|
* Read dword (4byte) register
|
|
* @param Dev Device Handle
|
|
* @param index The register index
|
|
* @param data pointer to 32 bit data
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_RdDWord(VL53L0X_DEV Dev, uint8_t index, uint32_t *data);
|
|
|
|
/**
|
|
* Threat safe Update (read/modify/write) single byte register
|
|
*
|
|
* Final_reg = (Initial_reg & and_data) |or_data
|
|
*
|
|
* @param Dev Device Handle
|
|
* @param index The register index
|
|
* @param AndData 8 bit and data
|
|
* @param OrData 8 bit or data
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_UpdateByte(VL53L0X_DEV Dev, uint8_t index, uint8_t AndData, uint8_t OrData);
|
|
|
|
/** @} end of VL53L0X_registerAccess_group */
|
|
|
|
|
|
/**
|
|
* @brief execute delay in all polling API call
|
|
*
|
|
* A typical multi-thread or RTOs implementation is to sleep the task for some 5ms (with 100Hz max rate faster polling is not needed)
|
|
* if nothing specific is need you can define it as an empty/void macro
|
|
* @code
|
|
* #define VL53L0X_PollingDelay(...) (void)0
|
|
* @endcode
|
|
* @param Dev Device Handle
|
|
* @return VL53L0X_ERROR_NONE Success
|
|
* @return "Other error code" See ::VL53L0X_Error
|
|
*/
|
|
VL53L0X_Error VL53L0X_PollingDelay(VL53L0X_DEV Dev); /* usually best implemented as a real function */
|
|
|
|
/** @} end of VL53L0X_platform_group */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _VL53L0X_PLATFORM_H_ */
|
|
|
|
|
|
|