sai_playsound/src/main.c File Reference

#include <string.h>
#include "fsl_clock_manager.h"
#include "fsl_uart_hal.h"
#include "fsl_uart_driver.h"
#include "playsound.h"
#include "shell.h"
#include "PCM_S16B_44100_2C.h"
#include "board.h"

Macros
#define	WAV_FILE_DECODE_BUFFER_SIZE

Functions
static uint8_t	Getchar (void)
	get a char More...
static void	Putchar (uint8_t ch)
	put a char More...
uint32_t	AppGetDataCallBack (uint32_t NumBytesReq, uint8_t **ppData, uint32_t offest)
	Callback function for getting data. More...
uint32_t	main (void)
	Main function. More...
static int	Do_PlaySound (int argc, char *const argv[])
	Shell play audio function. More...
static int	Do_SetVolume (int argc, char *const argv[])
	Shell set volume function. More...
static int	Do_ShowWavInfo (int argc, char *const argv[])
	Shell display wave file information function. More...

Variables
const cmd_tbl_t	CommandFun_Help
static const cmd_tbl_t	CommandFun_PlaySound
static const cmd_tbl_t	CommandFun_SetVolume
static const cmd_tbl_t	CommandFun_ShowWaveInfo
static uart_state_t	gUARTState
static uart_user_config_t	gShellUARTConfig
static shell_io_install_t	Shell_IOInstallStruct1
static uint8_t	WavBuffer [WAV_FILE_DECODE_BUFFER_SIZE]
sound_card_t	g_card

Macro Definition Documentation

#define WAV_FILE_DECODE_BUFFER_SIZE

Function Documentation

uint32_t AppGetDataCallBack	(	uint32_t	NumBytesReq,
		uint8_t **	ppData,
		uint32_t	offest
	)

Parameters

NumBytesReq	request data len
ppData	Pointer to a buffer memory area
offest	file offset

Returns

MUST return the acutal requested btyes, It can be less or equal then NumBytesReq.

static int Do_PlaySound ( int  argc, char *const  argv[]  )

static

static int Do_SetVolume ( int  argc, char *const  argv[]  )

static

<volume> should be in the range of 0-150 to indicate 0 - -75db. User should avoid set the volume to large for that it may cause distortion in codec.

static int Do_ShowWavInfo ( int  argc, char *const  argv[]  )

static

static uint8_t Getchar ( void  )

static

uint32_t main

(

void

)

static void Putchar ( uint8_t  ch )

static

Variable Documentation

const cmd_tbl_t CommandFun_Help

static const cmd_tbl_t CommandFun_PlaySound

static

static const cmd_tbl_t CommandFun_SetVolume

static

static const cmd_tbl_t CommandFun_ShowWaveInfo

static

sound_card_t g_card

uart_user_config_t gShellUARTConfig

static

uart_state_t gUARTState

static

shell_io_install_t Shell_IOInstallStruct1

static

uint8_t WavBuffer[WAV_FILE_DECODE_BUFFER_SIZE]

static