sample486.c File Reference

Implementation of user sampler interface functions. More...

#include "stm32l4xx_hal.h"
#include "stm32l476g_discovery.h"
#include <stdlib.h>
#include "sample486.h"
#include "err486.h"
#include "arm_math.h"

Go to the source code of this file.

Functions
int	getblocksize ()
	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	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...
void	getblockstereo (float *chan1, float *chan2)
	Request a block of data from the two ADC sample streams (Stereo input case) More...
void	HAL_ADC_ConvCpltCallback (ADC_HandleTypeDef *hadc)
void	HAL_ADC_ConvHalfCpltCallback (ADC_HandleTypeDef *hadc)

Variables
volatile uint32_t *	ADC_Input_Buffer =NULL
	Buffer to store samples transfered from the ADC by a DMA. More...
volatile uint32_t *	DAC_Output_Buffer =NULL
	Buffer to hold samples to be transfered to the DAC(s) by a DMA. More...
uint32_t	ADC_Block_Size = DEFAULT_BLOCKSIZE
	Number of samples user accesses per data block. More...
uint32_t	ADC_Buffer_Size = 2*DEFAULT_BLOCKSIZE
	Total buffer size being filled by DMA for ADC/DAC. More...
enum Processor_Task volatile	Sampler_Status
volatile int	Lower_Ready = 0
	Flag to indicate which half of ADC buffer may be processed. More...
static volatile uint32_t *	inbuf
static volatile uint32_t *	outbuf

Detailed Description

Implementation of user sampler interface functions.

Author

Don Hummels

Date

Jan 2016

Definition in file sample486.c.

Function Documentation

void HAL_ADC_ConvCpltCallback

(

ADC_HandleTypeDef *

hadc

)

Definition at line 220 of file sample486.c.

void HAL_ADC_ConvHalfCpltCallback

(

ADC_HandleTypeDef *

hadc

)

Definition at line 241 of file sample486.c.

Variable Documentation

volatile uint32_t* inbuf

static

Definition at line 50 of file sample486.c.

volatile uint32_t* outbuf

static

Definition at line 51 of file sample486.c.