ECE 486 Interface fuctions to manipulate blocks of sampled data. More...

Macros
#define	DEFAULT_BLOCKSIZE 100
	Default # samples per block of streamed ADC/DAC data. More...

Enumerations
enum	Processor_Task { STARTUP, PROCESS_BUFFER, WAIT_FOR_NEXT_BUFFER }
	keep track of whether a user is working on a buffer, or waiting for the next buffer More...

Functions
int	getblocksize (void)
	Return the number of samples that the user should expect to process per block. More...

void	setblocksize (uint32_t blksiz)
	Set the number of samples that the user should expect to process per block. More...

void	getblock (float *working)
	Request a block of data from the ADC sample stream. More...

void	getblockstereo (float chan1, float chan2)
	Request a block of data from the two ADC sample streams (Stereo input case) More...

void	putblock (float *working)
	Send a buffer of data to the DAC output stream. More...

void	putblockstereo (float chan1, float chan2)
	Send two buffers of data to the DACs for stereo output. More...

Variables
uint32_t	ADC_Block_Size
	Number of samples user accesses per data block. More...

uint32_t	ADC_Buffer_Size
	Total buffer size being filled by DMA for ADC/DAC. More...

volatile int	Lower_Ready
	Flag to indicate which half of ADC buffer may be processed. More...

volatile uint32_t *	ADC_Input_Buffer
	Buffer to store samples transfered from the ADC by a DMA. More...

volatile uint32_t *	DAC_Output_Buffer
	Buffer to hold samples to be transfered to the DAC(s) by a DMA. More...

enum Processor_Task volatile	Sampler_Status

Detailed Description

ECE 486 Interface fuctions to manipulate blocks of sampled data.

Interface routines that users call to handle data samples which are being streamed from the ADC and back to the DAC.

Definition in file sample486.h.

Macros