Read values from the frequency meter.
int32_t freqmeter_async_read( struct freqmeter_async_descriptor *const descr, uint32_t *const data, const uint16_t length )
Type: struct freqmeter_async_descriptor Struct *const
The pointer to the frequency meter descriptor
Type: uint32_t *const
The point to the data buffer to write data to
Type: const uint16_t
The amount of measurements to read
Type: int32_t
Amount of bytes read