Library Description

Library initializes and defines SPI bus driver and driver functions which offer a choice to write data in registers and to read data from registers. Library also offers a choice to sets absolute resolution read data and sets the direction. A user has an angle-reading function, a function for starting the measurement, and starting the chip calibration that is necessary for operation.

Key functions:

• vuint8_t angle4_getNewAngle(uint16_t *dataOut) - Functions for read Angle
• void angle4_startMesuremenet() - Functions for start measurement
• void angle4_calibration(uint8_t dir, uint8_t data_resolution) - Functions for calibration chip

Example description

The application is composed of three sections:

• System Initialization - Initializes SPI module and set CS pin as OUTPUT
• Application Initialization - Driver initialization, standard configurations, and start measurement
• Application Task - (code snippet) - Reads Angle in degrees and logs data to USBUART every 200 ms.

void applicationTask()
{
 angle4_getNewAngle(&Angle);

 IntToStr(Angle, demoText);
 mikrobus_logWrite(" Angle : ", _LOG_TEXT);
 mikrobus_logWrite(demoText, _LOG_TEXT );
 mikrobus_logWrite(" deg", _LOG_LINE);
 Delay_ms( 200 );
}

Other MikroElektronika libraries used in the example:

• SPI
• Conversions

Additional notes and information

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.