Library Description

Library contains functions for setting and getting pin states as well as function for device reset Library contains functions for i2c reading and writing data Library contains functions for sending and receiving packets (packet is data to send + 4 byte header) Library contains functions for requesting reports and receiving reports Library contains function for basic device initialization Library contains constants for boot modes, sensor Q points, channels, commands, sub-commands, report IDs and FRS report IDs.

Key functions:

• void smartdof_sendPacket( uint8_t channel_number, uint16_t data_length, uint8_t * packet_data ) - forms a packet of data by attaching proper header to data.
• uint8_t smartdof_receivePacket( uint32_t n_cycles_timeout ) - receives data packet from device.
• void smartdof_getData( uint8_t * data_header, uint16_t * data_length, uint8_t * data_buffer ) - returns data received by 'smartdof_receivePacket()' function to user.

Examples description

The application is composed of the three sections :

• System Initialization - Initializes I2C, LOG, INT, RST and PWM pins.
• Application Initialization - Initializes I2C driver and Smart DOF device.
• Application Task - Executes one of 'smartdof_xxx_task()' additional functions.

void applicationTask( )
{
    smartdof_magnetometer_task( );
}

Additional Functions :

• smartdof_accelerometer_task() - initializes accelerometer reports in 100000 micro second intervals, receives, parses and logs report data.
• smartdof_gyroscope_task() - initializes gyroscope calibrated reports in 100000 micro second intervals, receives, parses and logs report data.
• smartdof_magnetometer_task() - initializes magnetometer calibrated reports in 100000 micro second intervals, receives, parses and logs report data.

Other mikroE Libraries used in the example:

• I2C
• UART
• Conversions

Additional notes and informations

Depending on the development board you are using, you may need USB UART click, USB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.