Watchy/src/bma.cpp

#include "bma.h"

#define DEBUGPORT Serial
#ifdef DEBUGPORT
#define DEBUG(...) DEBUGPORT.printf(__VA_ARGS__)
#else
#define DEBUG(...)
#endif

BMA423::BMA423() {
  __readRegisterFptr   = nullptr;
  __writeRegisterFptr  = nullptr;
  __delayCallBlackFptr = nullptr;
  __init               = false;
}

BMA423::~BMA423() {}

bool BMA423::begin(bma4_com_fptr_t readCallBlack,
                   bma4_com_fptr_t writeCallBlack,
                   bma4_delay_fptr_t delayCallBlack, uint8_t address) {

  if (__init || readCallBlack == nullptr || writeCallBlack == nullptr ||
      delayCallBlack == nullptr) {
    return true;
  }

  __readRegisterFptr   = readCallBlack;
  __writeRegisterFptr  = writeCallBlack;
  __delayCallBlackFptr = delayCallBlack;

  __devFptr.dev_addr       = address;
  __devFptr.interface      = BMA4_I2C_INTERFACE;
  __devFptr.bus_read       = readCallBlack;
  __devFptr.bus_write      = writeCallBlack;
  __devFptr.delay          = delayCallBlack;
  __devFptr.read_write_len = 8;
  __devFptr.resolution     = 12;
  __devFptr.feature_len    = BMA423_FEATURE_SIZE;

  softReset();

  __delayCallBlackFptr(20);

  if (bma423_init(&__devFptr) != BMA4_OK) {
    DEBUG("BMA423 FAIL\n");
    return false;
  }

  if (bma423_write_config_file(&__devFptr) != BMA4_OK) {
    DEBUG("BMA423 Write Config FAIL\n");
    return false;
  }

  __init = true;

  struct bma4_int_pin_config config;
  config.edge_ctrl = BMA4_LEVEL_TRIGGER;
  config.lvl       = BMA4_ACTIVE_HIGH;
  config.od        = BMA4_PUSH_PULL;
  config.output_en = BMA4_OUTPUT_ENABLE;
  config.input_en  = BMA4_INPUT_DISABLE;

  if (bma4_set_int_pin_config(&config, BMA4_INTR1_MAP, &__devFptr) != BMA4_OK) {
    DEBUG("BMA423 SET INT FAIL\n");
    return false;
  }
  return true;
}

void BMA423::softReset() {
  uint8_t reg = BMA4_RESET_ADDR;
  __writeRegisterFptr(BMA4_I2C_ADDR_PRIMARY, BMA4_RESET_SET_MASK, &reg, 1);
}

void BMA423::shutDown() {
  bma4_set_advance_power_save(BMA4_DISABLE, &__devFptr);
}

void BMA423::wakeUp() { bma4_set_advance_power_save(BMA4_ENABLE, &__devFptr); }

uint16_t BMA423::getErrorCode() {
  struct bma4_err_reg err;
  uint16_t rslt = bma4_get_error_status(&err, &__devFptr);
  return rslt;
}

uint16_t BMA423::getStatus() {
  uint8_t status;
  bma4_get_status(&status, &__devFptr);
  return status;
}

uint32_t BMA423::getSensorTime() {
  uint32_t ms;
  bma4_get_sensor_time(&ms, &__devFptr);
  return ms;
}

bool BMA423::selfTest() {
  return (BMA4_OK ==
          bma4_selftest_config(BMA4_ACCEL_SELFTEST_ENABLE_MSK, &__devFptr));
}

uint8_t BMA423::getDirection() {
  Accel acc;
  if (bma4_read_accel_xyz(&acc, &__devFptr) != BMA4_OK) {
    return 0;
  }
  uint16_t absX = abs(acc.x);
  uint16_t absY = abs(acc.y);
  uint16_t absZ = abs(acc.z);

  if ((absZ > absX) && (absZ > absY)) {
    if (acc.z > 0) {
      return DIRECTION_DISP_DOWN;
    } else {
      return DIRECTION_DISP_UP;
    }
  } else if ((absY > absX) && (absY > absZ)) {
    if (acc.y > 0) {
      return DIRECTION_RIGHT_EDGE;
    } else {
      return DIRECTION_LEFT_EDGE;
    }
  } else {
    if (acc.x < 0) {
      return DIRECTION_BOTTOM_EDGE;
    } else {
      return DIRECTION_TOP_EDGE;
    }
  }
}

float BMA423::readTemperature() {
  int32_t data = 0;
  bma4_get_temperature(&data, BMA4_DEG, &__devFptr);
  float res = (float)data / (float)BMA4_SCALE_TEMP;
  /* 0x80 - temp read from the register and 23 is the ambient temp added.
   * If the temp read from register is 0x80, it means no valid
   * information is available */
  if (((data - 23) / BMA4_SCALE_TEMP) == 0x80) {
    res = 0;
  }
  return res;
}

float BMA423::readTemperatureF() {
  float temp = readTemperature();
  if (temp != 0) {
    temp = temp * 1.8 + 32.0;
  }
  return (temp);
}

bool BMA423::getAccel(Accel &acc) {
  memset(&acc, 0, sizeof(acc));
  if (bma4_read_accel_xyz(&acc, &__devFptr) != BMA4_OK) {
    return false;
  }
  return true;
}

bool BMA423::getAccelEnable() {
  uint8_t en;
  bma4_get_accel_enable(&en, &__devFptr);
  return (en & BMA4_ACCEL_ENABLE_POS) == BMA4_ACCEL_ENABLE_POS;
}

bool BMA423::disableAccel() { return enableAccel(false); }

bool BMA423::enableAccel(bool en) {
  return (BMA4_OK ==
          bma4_set_accel_enable(en ? BMA4_ENABLE : BMA4_DISABLE, &__devFptr));
}

bool BMA423::setAccelConfig(Acfg &cfg) {
  return (BMA4_OK == bma4_set_accel_config(&cfg, &__devFptr));
}

bool BMA423::getAccelConfig(Acfg &cfg) {
  return (BMA4_OK == bma4_get_accel_config(&cfg, &__devFptr));
}

bool BMA423::setRemapAxes(struct bma423_axes_remap *remap_data) {
  return (BMA4_OK == bma423_set_remap_axes(remap_data, &__devFptr));
}

bool BMA423::resetStepCounter() {
  return BMA4_OK == bma423_reset_step_counter(&__devFptr);
}

uint32_t BMA423::getCounter() {
  uint32_t stepCount;
  if (bma423_step_counter_output(&stepCount, &__devFptr) == BMA4_OK) {
    return stepCount;
  }
  return 0;
}

bool BMA423::setINTPinConfig(struct bma4_int_pin_config config,
                             uint8_t pinMap) {
  return BMA4_OK == bma4_set_int_pin_config(&config, pinMap, &__devFptr);
}

bool BMA423::getINT() {
  return bma423_read_int_status(&__IRQ_MASK, &__devFptr) == BMA4_OK;
}

uint8_t BMA423::getIRQMASK() { return __IRQ_MASK; }

bool BMA423::disableIRQ(uint16_t int_map) {
  return (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, int_map, BMA4_DISABLE,
                                          &__devFptr));
}

bool BMA423::enableIRQ(uint16_t int_map) {
  return (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, int_map, BMA4_ENABLE,
                                          &__devFptr));
}

bool BMA423::enableFeature(uint8_t feature, uint8_t enable) {
  if ((feature & BMA423_STEP_CNTR) == BMA423_STEP_CNTR) {
    bma423_step_detector_enable(enable ? BMA4_ENABLE : BMA4_DISABLE,
                                &__devFptr);
  }
  return (BMA4_OK == bma423_feature_enable(feature, enable, &__devFptr));
}

bool BMA423::isStepCounter() {
  return (bool)(BMA423_STEP_CNTR_INT & __IRQ_MASK);
}

bool BMA423::isDoubleClick() { return (bool)(BMA423_WAKEUP_INT & __IRQ_MASK); }

bool BMA423::isTilt() { return (bool)(BMA423_TILT_INT & __IRQ_MASK); }

bool BMA423::isActivity() { return (bool)(BMA423_ACTIVITY_INT & __IRQ_MASK); }

bool BMA423::isAnyNoMotion() {
  return (bool)(BMA423_ANY_NO_MOTION_INT & __IRQ_MASK);
}

bool BMA423::enableStepCountInterrupt(bool en) {
  return (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_STEP_CNTR_INT,
                                          en, &__devFptr));
}

bool BMA423::enableTiltInterrupt(bool en) {
  return (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_TILT_INT, en,
                                          &__devFptr));
}

bool BMA423::enableWakeupInterrupt(bool en) {
  return (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_WAKEUP_INT, en,
                                          &__devFptr));
}

bool BMA423::enableAnyNoMotionInterrupt(bool en) {
  return (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP,
                                          BMA423_ANY_NO_MOTION_INT, en,
                                          &__devFptr));
}

bool BMA423::enableActivityInterrupt(bool en) {
  return (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_ACTIVITY_INT,
                                          en, &__devFptr));
}

const char *BMA423::getActivity() {
  uint8_t activity;
  bma423_activity_output(&activity, &__devFptr);
  if (activity & BMA423_USER_STATIONARY) {
    return "BMA423_USER_STATIONARY";
  } else if (activity & BMA423_USER_WALKING) {
    return "BMA423_USER_WALKING";
  } else if (activity & BMA423_USER_RUNNING) {
    return "BMA423_USER_RUNNING";
  } else if (activity & BMA423_STATE_INVALID) {
    return "BMA423_STATE_INVALID";
  }
  return "None";
}