Reading Raw Gyro data

surfrider
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Joined: 18 Jan 2021 17:03
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Reading Raw Gyro data

Post by surfrider »

I hope to get more accurate gyro angles. With Labview Mindstorms you can do a raw reading to get a value between 0 and 4095 instead of 0 and 360 degrees.
I would like to use GetData_UART to read the raw gyro data, hopefully get a higher resolution.
But I don't know what kind of data is read via GetData_UART(E_Port_1, E_UART_Type_Gyro, E_UART_Mode_GyroAngle);
I get a const void *, but what can I cast this to? That is not clear from the documentation.

cpp4robots_admin
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Re: Reading Raw Gyro data

Post by cpp4robots_admin »

Hi,

according to the original firmware(lms2012), the return type is array of "signed char" and the length of this array is 32.
You can cast to pointer to "const signed char".

Code: Select all

const signed char* pGyroData = static_cast<const signed char*>(GetData_UART(E_Port_1, E_UART_Type_Gyro, E_UART_Mode_GyroAngle));

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