OSStatus bmm050_data_readout(s16 *v_mag_datax_s16, s16 *v_mag_datay_s16, s16 *v_mag_dataz_s16)
{
OSStatus err = kUnknownErr;
struct bmm050_mag_data_s16_t data;
/* result of communication results*/
s32 com_rslt = BMM050_ERROR;
//-------------------------- NOTE ----------------------------------
// this is to avoid i2c pin is re-init by other module because they use the same pin.
MicoI2cInitialize(&bmm050_i2c_device);
//------------------------------------------------------------------
/************ START READ TRUE PRESSURE, TEMPERATURE AND HUMIDITY DATA *********/
/* accessing the bmm050_mdata parameter by using data*/
com_rslt = bmm050_read_mag_data_XYZ(&data);/* Reads the mag x y z data*/
*v_mag_datax_s16 = data.datax;
*v_mag_datay_s16 = data.datay;
*v_mag_dataz_s16 = data.dataz;
/************ END READ TRUE PRESSURE, TEMPERATURE AND HUMIDITY ********/
if(0 == com_rslt){
err = kNoErr;
}
return err;
}
static int sensor_board_bmm150_read(i2c_device dev)
{
/* Structure used for read the mag xyz data*/
struct bmm050_mag_data_s16_t data;
/* result of communication results*/
s32 com_rslt = ERROR;
bmm150_dev = dev;
bool sign;
uint32_t conv_val;
/*
* Initialize driver data, feed Bosch driver with functions needed to access I2C bus.
*/
com_rslt = bmm050_init(&bmm150);
/*
* For initialization it is required to set the state of
* the sensor as "NORMAL MODE"
* data acquisition/read/write is possible in this mode
* by using the below API able to set the power mode as NORMAL
*/
com_rslt += bmm050_set_functional_state(BMM050_NORMAL_MODE);
/*
* Set data rate
*/
com_rslt += bmm050_set_data_rate(BMM050_DATA_RATE_30HZ);
/* Wait for data ready */
OS_DELAY(1000 / 30 + 1);
/* accessing the bmm050_mdata parameter by using data*/
com_rslt += bmm050_read_mag_data_XYZ(&data);
/* print raw values */
printf(NEWLINE "Compensated magnetometer data (raw 16 bit) - x: %04X, y: %04X, z: %04X",
(uint16_t) data.datax, (uint16_t) data.datay, (uint16_t) data.dataz);
/* convert and print values in uT (microtesla unit) */
printf(NEWLINE "Compensated magnetometer data - ");
convert_xy_value(data.datax, &sign, &conv_val);
printf("x: %s%lu.%02lu uT, ", (sign ? "-" : ""), conv_val / 100, conv_val % 100);
convert_xy_value(data.datay, &sign, &conv_val);
printf("y: %s%lu.%02lu uT, ", (sign ? "-" : ""), conv_val / 100, conv_val % 100);
convert_z_value(data.dataz, &sign, &conv_val);
printf("z: %s%lu.%02lu uT", (sign ? "-" : ""), conv_val / 100, conv_val % 100);
/* For de-initialization it is required to set the mode of
* the sensor as "SUSPEND"
* the SUSPEND mode set from the register 0x4B bit BMM050_INIT_VALUE should be disabled
* by using the below API able to set the power mode as SUSPEND
*/
com_rslt += bmm050_set_functional_state(BMM050_SUSPEND_MODE);
return com_rslt;
}
/* This function is an example for reading sensor data
* \param: None
* \return: communication result
*/
s32 bmm050_data_readout_template(void)
{
/* Structure used for read the mag xyz data*/
struct bmm050_mag_data_s16_t data;
/* Structure used for read the mag xyz data with 32 bit output*/
struct bmm050_mag_s32_data_t data_s32;
/* Structure used for read the mag xyz data with float output*/
struct bmm050_mag_data_float_t data_float;
/* Variable used to get the data rate*/
u8 v_data_rate_u8 = BMM050_INIT_VALUE;
/* Variable used to set the data rate*/
u8 v_data_rate_value_u8 = BMM050_INIT_VALUE;
/* result of communication results*/
s32 com_rslt = 0;
/*---------------------------------------------------------------------------*
*********************** START INITIALIZATION ************************
*--------------------------------------------------------------------------*/
/* Based on the user need configure I2C or SPI interface.
* It is sample code to explain how to use the bmm050 API*/
#ifdef BMM050_API
BMM050_I2C_routine();
/*BMM050_SPI_routine(); */
#endif
/*--------------------------------------------------------------------------*
* This function used to assign the value/reference of
* the following parameters
* I2C address
* Bus Write
* Bus read
* company_id
*-------------------------------------------------------------------------*/
com_rslt = bmm050_init(&bmm050_t);
/* For initialization it is required to set the mode of
* the sensor as "NORMAL"
* but before set the mode needs to configure the power control bit
* in the register 0x4B bit BMM050_INIT_VALUE should be enabled
* This bit is enabled by calling bmm050_init function
* For the Normal data acquisition/read/write is possible in this mode
* by using the below API able to set the power mode as NORMAL*/
/* Set the power mode as NORMAL*/
com_rslt += bmm050_set_functional_state(BMM050_NORMAL_MODE);
/*--------------------------------------------------------------------------*
************************* END INITIALIZATION *************************
*---------------------------------------------------------------------------*/
/*------------------------------------------------------------------------*
************************* START GET and SET FUNCTIONS DATA ****************
*---------------------------------------------------------------------------*/
/* This API used to Write the data rate of the sensor, input
value have to be given
data rate value set from the register 0x4C bit 3 to 5*/
v_data_rate_value_u8 = BMM050_DATA_RATE_30HZ;/* set data rate of 30Hz*/
com_rslt += bmm050_set_data_rate(v_data_rate_value_u8);
/* This API used to read back the written value of data rate*/
com_rslt += bmm050_get_data_rate(&v_data_rate_u8);
/*-----------------------------------------------------------------*
************************* END GET and SET FUNCTIONS ****************
*-------------------------------------------------------------------*/
/*------------------------------------------------------------------*
************************* START READ SENSOR DATA(X,Y and Z axis) ********
*------------------------------------------------------------------*/
/* accessing the bmm050_mdata parameter by using data*/
com_rslt += bmm050_read_mag_data_XYZ(&data);/* Reads the mag x y z data*/
/* accessing the bmm050_mdata_float parameter by using data_float*/
com_rslt += bmm050_read_mag_data_XYZ_float(&data_float);/* Reads mag xyz data output as 32bit value*/
/* accessing the bmm050_mdata_s32 parameter by using data_s32*/
com_rslt += bmm050_read_mag_data_XYZ_s32(&data_s32);/* Reads mag xyz data output as float value*/
/*--------------------------------------------------------------------*
************************* END READ SENSOR DATA(X,Y and Z axis) ************
*-------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------*
************************* START DE-INITIALIZATION ***********************
*-------------------------------------------------------------------------*/
/* For de-initialization it is required to set the mode of
* the sensor as "SUSPEND"
* the SUSPEND mode set from the register 0x4B bit BMM050_INIT_VALUE should be disabled
* by using the below API able to set the power mode as SUSPEND*/
/* Set the power mode as SUSPEND*/
com_rslt += bmm050_set_functional_state(BMM050_SUSPEND_MODE);
/*---------------------------------------------------------------------*
************************* END DE-INITIALIZATION **********************
*---------------------------------------------------------------------*/
return com_rslt;
}
