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Diffstat (limited to 'peripheral/libupm/src/bma220/bma220.h')
| -rw-r--r-- | peripheral/libupm/src/bma220/bma220.h | 831 |
1 files changed, 0 insertions, 831 deletions
diff --git a/peripheral/libupm/src/bma220/bma220.h b/peripheral/libupm/src/bma220/bma220.h deleted file mode 100644 index e361d48..0000000 --- a/peripheral/libupm/src/bma220/bma220.h +++ /dev/null @@ -1,831 +0,0 @@ -/* - * Author: Jon Trulson <jtrulson@ics.com> - * Copyright (c) 2015 Intel Corporation. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ -#pragma once - -#include <string> -#include <mraa/common.hpp> -#include <mraa/i2c.hpp> -#include <mraa/gpio.hpp> - -#define BMA220_I2C_BUS 0 -#define BMA220_DEFAULT_ADDR 0x0a - -namespace upm { - - /** - * @brief BMA220 Accelerometer library - * @defgroup bma220 libupm-bma220 - * @ingroup i2c gpio accelerometer - */ - - /** - * @library bma220 - * @sensor bma220 - * @comname BMA220 3-axis Accelerometer - * @type accelerometer - * @man dfrobot - * @con i2c gpio - * @web http://www.dfrobot.com/index.php?route=product/product&product_id=1085 - * - * @brief API for the BMA220 3-axis Accelerometer - * - * The BMA220 is a low cost, very small 3-axis accelerometer with 6 - * bits of resolution. It can also detect orientation and tap events. - * - * The BMA220 has a linear acceleration full scale of - * 2g/4g/8g/16g. - * - * While not all of the functionality of this device is supported - * initially, methods and register definitions are provided that - * should allow an end user to implement whatever features are - * required. - * - * This driver was developed on a DFRobot BMA (Tiny). - * - * @image html bma220.jpg - * @snippet bma220.cxx Interesting - */ - - class BMA220 { - public: - - // NOTE: reserved registers must not be written into or read from. - // Reserved bitfields must always be 0. The registers aren't - // named in the datasheet, so I made up some hopefully useful - // names for them. The whole I2C register map design is a little - // strange, IMO. - - /** - * BMA220 Accelerometer registers - */ - typedef enum { - REG_CHIPID = 0x00, - REG_REVISIONID = 0x02, - - // 2 lsb bits of ACC regs are always 0, yeilding 6 bits resolution - REG_ACC_X = 0x04, // acceleration data - REG_ACC_Y = 0x06, - REG_ACC_Z = 0x08, - - REG_H_HYST_DUR = 0x0a, // high hysteresis/dur - REG_THRESHOLD = 0x0c, // high/low threshold - REG_L_HYST_DUR = 0x0e, // low hysteresis/dur - - REG_TAP_CONFIG = 0x10, - - REG_SLOPE_CONFIG = 0x12, - REG_TAP_CONFIG2 = 0x14, - - REG_INT_STATUS1 = 0x16, - REG_INT_STATUS2 = 0x18, - - REG_ENABLE_CONFIG = 0x1a, - REG_ENABLE_CONFIG2 = 0x1c, - REG_ENABLE_CONFIG3 = 0x1e, - - REG_FILTER_CONFIG = 0x20, - - REG_SBIST_FSL_CONFIG = 0x22, // self test and full scale range - - // 0x24 - 0x2c reserved - - REG_I2C_WATCHDOG = 0x2e, // + SPI 3-wire mode - - REG_SUSPEND = 0x30, - REG_SOFTRESET = 0x32 - } REG_T; - - - /** - * REG_H_HYST_DUR bits - */ - typedef enum { - H_HYST_DUR_HIGH_DUR0 = 0x01, - H_HYST_DUR_HIGH_DUR1 = 0x02, - H_HYST_DUR_HIGH_DUR2 = 0x04, - H_HYST_DUR_HIGH_DUR3 = 0x08, - H_HYST_DUR_HIGH_DUR4 = 0x10, - H_HYST_DUR_HIGH_DUR5 = 0x20, - _H_HYST_DUR_HIGH_DUR_MASK = 63, - _H_HYST_DUR_HIGH_DUR_SHIFT = 0, - - H_HYST_DUR_HIGH_HY1 = 0x40, - H_HYST_DUR_HIGH_HY2 = 0x80, - _H_HYST_DUR_HIGH_HY_MASK = 3, - _H_HYST_DUR_HIGH_HY_SHIFT = 6 - } H_HYST_DUR_HIGH_BITS_T; - - /** - * REG_THRESHOLD bits - */ - typedef enum { - THRESHOLD_HIGH0 = 0x01, - THRESHOLD_HIGH1 = 0x02, - THRESHOLD_HIGH2 = 0x04, - THRESHOLD_HIGH3 = 0x08, - _THRESHOLD_HIGH_MASK = 15, - _THRESHOLD_HIGH_SHIFT = 0, - - THRESHOLD_LOW0 = 0x10, - THRESHOLD_LOW1 = 0x20, - THRESHOLD_LOW2 = 0x40, - THRESHOLD_LOW3 = 0x80, - _THRESHOLD_LOW_MASK = 15, - _THRESHOLD_LOW_SHIFT = 4 - } THRESHOLD_BITS_T; - - /** - * REG_L_HYST_DUR bits - */ - typedef enum { - L_HYST_DUR_LOW_DUR0 = 0x01, - L_HYST_DUR_LOW_DUR1 = 0x02, - L_HYST_DUR_LOW_DUR2 = 0x04, - L_HYST_DUR_LOW_DUR3 = 0x08, - L_HYST_DUR_LOW_DUR4 = 0x10, - L_HYST_DUR_LOW_DUR5 = 0x20, - _L_HYST_DUR_LOW_DUR_MASK = 63, - _L_HYST_DUR_LOW_DUR_SHIFT = 0, - - L_HYST_DUR_LOW_HY1 = 0x40, - L_HYST_DUR_LOW_HY2 = 0x80, - _L_HYST_DUR_LOW_HY_MASK = 3, - _L_HYST_DUR_LOW_HY_SHIFT = 6 - } L_HYST_DUR_LOW_BITS_T; - - /** - * REG_TAP_CONFIG bits - */ - typedef enum { - TAP_CONFIG_DUR0 = 0x01, - TAP_CONFIG_DUR1 = 0x02, - TAP_CONFIG_DUR2 = 0x04, - _TAP_CONFIG_DUR_MASK = 7, - _TAP_CONFIG_DUR_SHIFT = 0, - - TAP_CONFIG_THRESH0 = 0x08, - TAP_CONFIG_THRESH1 = 0x10, - TAP_CONFIG_THRESH2 = 0x20, - TAP_CONFIG_THRESH3 = 0x40, - _TAP_CONFIG_THRESH_MASK = 15, - _TAP_CONFIG_THRESH_SHIFT = 3, - - TAP_CONFIG_FILTER = 0x80 - } TAP_CONFIG_BITS_T; - - /** - * REG_SLOPE_CONFIG bits - */ - typedef enum { - SLOPE_CONFIG_DUR0 = 0x01, - SLOPE_CONFIG_DUR1 = 0x02, - _SLOPE_CONFIG_DUR_MASK = 3, - _SLOPE_CONFIG_DUR_SHIFT = 0, - - SLOPE_CONFIG_THRESH0 = 0x04, - SLOPE_CONFIG_THRESH1 = 0x08, - SLOPE_CONFIG_THRESH2 = 0x10, - SLOPE_CONFIG_THRESH3 = 0x20, - _SLOPE_CONFIG_THRESH_MASK = 15, - _SLOPE_CONFIG_THRESH_SHIFT = 2, - - SLOPE_CONFIG_FILTER = 0x40, - SLOPE_CONFIG_ORIENT_EX = 0x80 // exchange x and z axis for orient - } SLOPE_CONFIG_BITS_T; - - /** - * REG_TAP_CONFIG2 bits - */ - typedef enum { - TAP_CONFIG2_SAMP0 = 0x01, - TAP_CONFIG2_SAMP1 = 0x02, - _TAP_CONFIG2_SAMP_MASK = 3, - _TAP_CONFIG2_SAMP_SHIFT = 0, - - TAP_CONFIG2_ORIENT_BLOCK0 = 0x04, - TAP_CONFIG2_ORIENT_BLOCK1 = 0x08, - _TAP_CONFIG2_ORIENT_BLOCK_MASK = 3, - _TAP_CONFIG2_ORIENT_BLOCK_SHIFT = 2, - - TAP_CONFIG2_TIP_EN = 0x10 - - // 0x20-0x80 reserved - } TAP_CONFIG2_BITS_T; - - /** - * TAP_CONFIG2_SAMP values - */ - typedef enum { - TAP_SAMP_2 = 0, // 2 data samples after wakeup - TAP_SAMP_4 = 1, - TAP_SAMP_8 = 2, - TAP_SAMP_16 = 3 - } TAP_SAMP_T; - - /** - * TAP_CONFIG2_ORIENT_BLOCK values - * - */ - typedef enum { - TAP_ORIENT_BLOCK_0 = 0, // orient blocking disabled - TAP_ORIENT_BLOCK_2 = 1, // |z|>0.9g OR |x|+|y| < 0.2g OR m<0.2g - TAP_ORIENT_BLOCK_3 = 2, // |z|>0.9g OR |x|+|y| < 0.3g OR m<0.3g - TAP_ORIENT_BLOCK_4 = 3, // |z|>0.9g OR |x|+|y| < 0.4g OR m<0.4g - } TAP_ORIENT_BLOCK_T; - - /** - * REG_INT_STATUS1 bits - */ - typedef enum { - INT_STATUS1_SIGN = 0x01, - INT_STATUS1_FIRST_Z = 0x02, - INT_STATUS1_FIRST_Y = 0x04, - INT_STATUS1_FIRST_X = 0x08, - - INT_STATUS1_ORIENT0 = 0x10, - INT_STATUS1_ORIENT1 = 0x20, - INT_STATUS1_ORIENT2 = 0x40, - _INT_STATUS1_ORIENT_MASK = 7, - _INT_STATUS1_ORIENT_SHIFT = 4, - - INT_STATUS1_ORIENT_INT = 0x80 // orient intr was generated - } INT_STATUS1_BITS_T; - - /** - * INT_STATUS1_ORIENT values - * - * These are values reported by the device if orientation - * detection is enabled. - */ - typedef enum { - CONFIG_ORI_UP_PORT_UPRIGHT = 0, // up portrait - CONFIG_ORI_UP_PORT_UPSIDE_DOWN = 1, - CONFIG_ORI_UP_LAND_LEFT = 2, // landscape - CONFIG_ORI_UP_LAND_RIGHT = 3, - CONFIG_ORI_DN_PORT_UPRIGHT = 4, // down portrait - CONFIG_ORI_DN_PORT_UPSIDE_DOWN = 5, - CONFIG_ORI_DN_LAND_LEFT = 6, // landscape - CONFIG_ORI_DN_LAND_RIGHT = 7 - } CONFIG_ORIENT_T; - - /** - * REG_INT_STATUS2 bits - */ - typedef enum { - INT_STATUS2_SLOPE = 0x01, - INT_STATUS2_DATA = 0x02, - INT_STATUS2_HIGH = 0x04, - INT_STATUS2_LOW = 0x08, - INT_STATUS2_TAP = 0x10 - - // 0x20-0x80 reserved - } INT_STATUS2_BITS_T; - - /** - * REG_ENABLE_CONFIG bits - */ - typedef enum { - ENABLE_CONFIG_TT_Z = 0x01, - ENABLE_CONFIG_TT_Y = 0x02, - ENABLE_CONFIG_TT_X = 0x04, - ENABLE_CONFIG_SLOPE_Z = 0x08, - ENABLE_CONFIG_SLOPE_Y = 0x10, - ENABLE_CONFIG_SLOPE_X = 0x20, - ENABLE_CONFIG_ORIENT = 0x40, - ENABLE_CONFIG_DATA = 0x80 - } ENABLE_CONFIG_BITS_T; - - /** - * REG_ENABLE_CONFIG2 bits - */ - typedef enum { - ENABLE_CONFIG2_HIGH_Z = 0x01, - ENABLE_CONFIG2_HIGH_Y = 0x02, - ENABLE_CONFIG2_HIGH_X = 0x04, - - ENABLE_CONFIG2_LOW = 0x08, - - ENABLE_CONFIG2_LAT_INT0 = 0x10, // interrupt latching - ENABLE_CONFIG2_LAT_INT1 = 0x20, - ENABLE_CONFIG2_LAT_INT2 = 0x40, - _ENABLE_CONFIG2_LAT_INT_MASK = 7, - _ENABLE_CONFIG2_LAT_INT_SHIFT = 4, - - ENABLE_CONFIG2_RESET_INT = 0x80 // reset interrupts - } ENABLE_CONFIG2_BITS_T; - - /** - * ENABLE_CONFIG2_LAT values - * - * These are values that define the interrupt latching behavior - */ - typedef enum { - CONFIG2_LAT_UNLATCH = 0, // unlatched intrs - CONFIG2_LAT_0_25 = 1, // latch intr for 0.25s - CONFIG2_LAT_0_5 = 2, // latch intr for 0.5s - CONFIG2_LAT_1 = 3, // latch intr for 1s - CONFIG2_LAT_2 = 4, // latch intr for 2s - CONFIG2_LAT_4 = 5, // latch intr for 4s - CONFIG2_LAT_8 = 6, // latch intr for 8s - CONFIG2_LAT_PERM = 7 // latch permanently - } CONFIG2_LAT_T; - - /** - * REG_ENABLE_CONFIG3 bits - */ - typedef enum { - ENABLE_CONFIG3_Z_CHAN = 0x01, - ENABLE_CONFIG3_Y_CHAN = 0x02, - ENABLE_CONFIG3_X_CHAN = 0x04, - - ENABLE_CONFIG3_SLEEP_DUR0 = 0x08, - ENABLE_CONFIG3_SLEEP_DUR1 = 0x10, - ENABLE_CONFIG3_SLEEP_DUR2 = 0x20, - _ENABLE_CONFIG3_SLEEP_DUR_MASK = 7, - _ENABLE_CONFIG3_SLEEP_DUR_SHIFT = 3, - - ENABLE_CONFIG3_SLEEP_EN = 0x40 - - // 0x80 reserved - } ENABLE_CONFIG3_BITS_T; - - /** - * ENABLE_CONFIG3_SLEEP_DUR values - * - * These are values that define the length of time the device - * sleeps before sampling when in sleep mode. - */ - typedef enum { - SLEEP_DUR_2MS = 0, // 2 ms - SLEEP_DUR_10MS = 1, - SLEEP_DUR_25MS = 2, - SLEEP_DUR_50MS = 3, - SLEEP_DUR_100MS = 4, - SLEEP_DUR_500MS = 5, - SLEEP_DUR_1S = 6, // 1 second - SLEEP_DUR_2S = 7 - } SLEEP_DUR_T; - - /** - * REG_FILTER_CONFIG bits - */ - typedef enum { - FILTER_CONFIG_FILTER0 = 0x01, - FILTER_CONFIG_FILTER1 = 0x02, - FILTER_CONFIG_FILTER2 = 0x04, - FILTER_CONFIG_FILTER3 = 0x08, - _FILTER_CONFIG_FILTER_MASK = 15, - _FILTER_CONFIG_FILTER_SHIFT = 0, - - // 0x10-0x40 reserved - - FILTER_CONFIG_SERIAL_HIGH_BW = 0x80 - } FILTER_CONFIG_BITS_T; - - /** - * FILTER_CONFIG_FILTER values - * - * These are values that define the digital filtering frequency - */ - typedef enum { - FILTER_CONFIG_1KHZ = 0, // 1Khz - FILTER_CONFIG_500HZ = 1, - FILTER_CONFIG_250HZ = 2, - FILTER_CONFIG_125HZ = 3, - FILTER_CONFIG_64HZ = 4, - FILTER_CONFIG_32HZ = 5 - } FILTER_CONFIG_T; - - /** - * REG_SBIST_FSL_CONFIG bits - */ - typedef enum { - REG_SBIST_FSL_RANGE0 = 0x01, // full scale range - REG_SBIST_FSL_RANGE1 = 0x02, - _REG_SBIST_FSL_RANGE_MASK = 3, - _REG_SBIST_FSL_RANGE_SHIFT = 0, - - REG_SBIST_FSL_SBIST0 = 0x04, // self test enables - REG_SBIST_FSL_SBIST1 = 0x08, - _REG_SBIST_FSL_SBIST_MASK = 3, - _REG_SBIST_FSL_SBIST_SHIFT = 2, - - REG_SBIST_FSL_SBIST_SIGN = 0x10 // signedness of self test - - // 0x20-0x80 reserved - } SBIST_FSL_CONFIG_BITS_T; - - /** - * REG_SBIST_FSL_RANGE values - * - * These are values that define the Full Scale configuration - */ - typedef enum { - FSL_RANGE_2G = 0, // 2G FSL - FSL_RANGE_4G = 1, - FSL_RANGE_8G = 2, - FSL_RANGE_16G = 3 - } FSL_RANGE_T; - - /** - * REG_SBIST_FSL_SBIST values - * - * These are values that enable self test mode - */ - typedef enum { - SBIST_OFF = 0, // self test off - SBIST_X = 1, // self test X - SBIST_Y = 2, - SBIST_Z = 3 - } SBIST_T; - - /** - * REG_I2C_WATCHDOG bits - */ - typedef enum { - I2C_WATCHDOG_SPI3 = 0x01, // SPI 3wire mode (SPI not supported) - - I2C_WATCHDOG_TO_SEL = 0x02, - I2C_WATCHDOG_TO_EN = 0x04 - - // 0x08-0x80 reserved - } I2C_WATCHDOG_BITS_T; - - - /** - * BMA220 constructor - * - * @param bus i2c bus to use - * @param address the address for this device - */ - BMA220(int bus=BMA220_I2C_BUS, uint8_t addr=BMA220_DEFAULT_ADDR); - - /** - * BMA220 Destructor - */ - ~BMA220(); - - /** - * update the accelerometer values - */ - void update(); - - /** - * read a register - * - * @param dev the device to access (XM or G) - * @param reg the register to read - * @return the value of the register - */ - uint8_t readReg(uint8_t reg); - - /** - * write to a register - * - * @param dev the device to access (XM or G) - * @param reg the register to write to - * @param val the value to write - * @return true if successful, false otherwise - */ - bool writeReg(uint8_t reg, uint8_t val); - - /** - * return the chip ID - * - * @return the chip ID (usually 0xdd) - */ - uint8_t getChipID(); - - /** - * return the chip revision - * - * @return the chip revision (usually 0x00) - */ - uint8_t getChipRevision(); - - /** - * set the scaling mode of the accelerometer (2g/4g/8g/16g) - * - * @param scale one of the FSL_RANGE_T values - * @return true if successful, false otherwise - */ - bool setAccelerometerScale(FSL_RANGE_T scale); - - /** - * get the accelerometer values in gravities - * - * @param x the returned x value, if arg is non-NULL - * @param y the returned y value, if arg is non-NULL - * @param z the returned z value, if arg is non-NULL - */ - void getAccelerometer(float *x, float *y, float *z); - -#if defined(SWIGJAVA) || defined(JAVACALLBACK) - /** - * get the accelerometer values in gravities - * - * @return Array containing X, Y, Z acceleration values - */ - float *getAccelerometer(); -#endif - - /** - * set the filtering configuration - * - * @param filter one of the FILTER_CONFIG_T values - * @return true if successful - */ - bool setFilterConfig(FILTER_CONFIG_T filter); - - /** - * enable or disable high bandwidth serial access (1Khz). This - * essentially disables filtering and makes the raw unfiltered - * data available in the axis registers. - * - * @param high true to enable high bw access, false otherwise - * @return true if successful - */ - bool setSerialHighBW(bool high); - - /** - * enable or disable axis channels - * - * @param xEn true to enable the axis, false otherwise - * @param yEn true to enable the axis, false otherwise - * @param zEn true to enable the axis, false otherwise - * @return true if successful - */ - bool enableAxes(bool xEn, bool yEn, bool zEn); - - /** - * place the device into, or take the device out of suspend mode - * - * @return 0x00 if the device was in active mode, 0xff if the - * device was in suspend mode - */ - uint8_t suspend(); - - /** - * place the device into, or take the device out of soft reset mode - * - * @return 0x00 if the device was in active mode, 0xff if the - * device was in soft reset mode - */ - uint8_t softReset(); - - /** - * place the device into, or take the device out of low power - * mode. See the datasheet for information on how low power mode - * is implemented on this device. - * - * @param enable true to set low power mode, false otherwise - * @return true if successful - */ - bool sleep(bool enable); - - /** - * when in low power (sleep) mode, specify how often the device - * wakes up to acquire samples. - * - * @param dur one of the SLEEP_DUR_T values - * @return true if successful - */ - bool setSleepDuration(SLEEP_DUR_T dur); - - /** - * specify the threshold for low G detection - * - * @param thresh see the datasheet - * @return true if successful - */ - bool setLowGThreshold(uint8_t thresh); - - /** - * specify the threshold for high G detection - * - * @param thresh see the datasheet - * @return true if successful - */ - bool setHighGThreshold(uint8_t thresh); - - /** - * specify the hysteresis for low G detection - * - * @param hyst 2 bit hysteresis value - * @return true if successful - */ - bool setLowGHysteresis(uint8_t hyst); - - /** - * specify the sample duration for low G detection - * - * @param dur the number of samples (depends on bandwidth) - * @return true if successful - */ - bool setLowGDuration(uint8_t dur); - - /** - * specify the hysteresis for high G detection - * - * @param hyst 2 bit hysteresis value - * @return true if successful - */ - bool setHighGHysteresis(uint8_t hyst); - - /** - * specify the sample duration for high G detection - * - * @param dur the number of samples (depends on bandwidth) - * @return true if successful - */ - bool setHighGDuration(uint8_t dur); - - /** - * specify the sample duration for tap detection - * - * @param dur the number of samples (depends on bandwidth) - * @return true if successful - */ - bool setTapDuration(uint8_t dur); - - /** - * specify the threshold for tap detection - * - * @param thresh see the datasheet - * @return true if successful - */ - bool setTapThreshold(uint8_t thresh); - - /** - * unable to disable tap filtering - * - * @param filt true to enable, false otherwise - * @return true if successful - */ - bool enableTapFilter(bool filt); - - /** - * specify the sample duration for slope detection - * - * @param dur the number of samples (depends on bandwidth) - * @return true if successful - */ - bool setSlopeDuration(uint8_t dur); - - /** - * specify the threshold for slope detection - * - * @param thresh see the datasheet - * @return true if successful - */ - bool setSlopeThreshold(uint8_t thresh); - - /** - * enable or disable slope filtering - * - * @param filt true to enable filtering, false otherwise - * @return true if successful - */ - bool enableSlopeFilter(bool filt); - - /** - * return a bitmask of the interrupt status 1 register - * - * @return bitmask of INT_STATUS1_BITS_T bits (minus the orient value) - */ - uint8_t getInterruptStatus1(); - - /** - * return the orient value from the interrupt status 1 register - * - * @return one of the CONFIG_ORIENT_T values - */ - CONFIG_ORIENT_T getOrient(); - - /** - * return a bitmask of the interrupt status 2 register - * - * @return bitmask of INT_STATUS2_BITS_T bits - */ - uint8_t getInterruptStatus2(); - - /** - * enable interrupts for events in interrupt config register 1 - * - * @param bits bitmask of ENABLE_CONFIG_BITS_T values - * @return true if successful - */ - bool setInterruptEnables1(uint8_t bits); - - /** - * return the enabled interrupts for events in interrupt config register 1 - * - * @return bitmask of ENABLE_CONFIG_BITS_T values - */ - uint8_t getInterruptEnables1(); - - /** - * enable interrupts for events in interrupt config register 2 - * - * @param bits bitmask of ENABLE_CONFIG2_BITS_T values - * @return true if successful - */ - bool setInterruptEnables2(uint8_t bits); - - /** - * return the enabled interrupts for events in interrupt config register 2 - * - * @return bitmask of ENABLE_CONFIG2_BITS_T values - */ - uint8_t getInterruptEnables2(); - - /** - * configure interrupt latching behavior - * - * @param lat one of the CONFIG2_LAT_T values - * @return true if successful - */ - bool setInterruptLatch(CONFIG2_LAT_T lat); - - /** - * reset the interrupt controller. This should be called after - * any changes are made to interrupt configuration, or to reset - * interrupts if latched interrupts have been enabled and an - * interrupt has occurred.. - * - * @return true if successful - */ - bool resetInterrupts(); - -#if defined(SWIGJAVA) || defined(JAVACALLBACK) - void installISR(int gpio, mraa::Edge level, jobject runnable); -#else - /** - * install an interrupt handler. - * - * @param gpio gpio pin to use as interrupt pin - * @param level the interrupt trigger level (one of mraa::Edge - * values). Make sure that you have configured the interrupt pin - * properly for whatever level you choose. - * @param isr the interrupt handler, accepting a void * argument - * @param arg the argument to pass the the interrupt handler - */ - void installISR(int gpio, mraa::Edge level, - void (*isr)(void *), void *arg); -#endif - - /** - * uninstall a previously installed interrupt handler - * - */ - void uninstallISR(); - - protected: - mraa::I2c m_i2c; - mraa::Gpio *m_gpioIntr; - uint8_t m_addr; - - // uncompensated accelerometer values - float m_accelX; - float m_accelY; - float m_accelZ; - - // accelerometer full scale - float m_accelScale; - - private: - /** - * update the accelerometer values - */ - void updateAccelerometer(); - // Adding a private function definition for java bindings -#if defined(SWIGJAVA) || defined(JAVACALLBACK) - void installISR(int gpio, mraa::Edge level, - void (*isr)(void *), void *arg); -#endif - - }; -} - - |