/*
?*?adventures_with_ip.c
?*
?*?Main?source?file.?Contains?main（）?and?menu（）?functions.
?*/
#include?“adventures_with_ip.h“

/*?----------------------------------------------------------------------------?*
?*?									main（）										*
?*?----------------------------------------------------------------------------?*
?*?Runs?all?initial?setup?functions?to?initialise?the?audio?codec?and?IP
?*?peripherals?before?calling?the?interactive?menu?system.
?*?----------------------------------------------------------------------------?*/
int?main（void）
{
	xil_printf（“Entering?Main\r\n“）;
	//Configure?the?IIC?data?structure
	IicConfig（XPAR_XIICPS_0_DEVICE_ID）;

	//Configure?the?Audio?Codec‘s?PLL
	AudioPllConfig（）;

	//Configure?the?Line?in?and?Line?out?ports.
	//Call?LineInLineOutConfig（）?for?a?configuration?that
	//enables?the?HP?jack?too.
	AudioConfigureJacks（）;

	xil_printf（“ADAU1761?configured\n\r“）;

	/*?Initialise?GPIO?and?NCO?peripherals?*/
	gpio_init（）;
	nco_init（&Nco）;

	xil_printf（“GPIO?and?NCO?peripheral?configured\r\n“）;

	/*?Display?interactive?menu?interface?via?terminal?*/
	menu（）;
????return?1;
}

/*?----------------------------------------------------------------------------?*
?*?									menu（）										*
?*?----------------------------------------------------------------------------?*
?*?Presented?at?system?startup.?Allows?the?user?to?select?between?three
?*?options?by?pressing?certain?keys?on?the?keyboard:
?*?		‘s‘?-?	Audio?loopback?streaming
?*?		‘n‘?-?	Tonal?noise?is?generated?by?an?NCO?and?added?to?the?audio
?*?				being?captured?from?the?audio?codec.
?*?		‘f‘?-?	The?audio?+?tonal?noise?is?passed?to?an?adaptive?LMS?noise
?*?				cancellation?filter?which?will?use?the?tonal?noise?estimate
?*?				to?remove?the?noise?from?the?audio.
?*
?*?	This?menu?is?shown?upon?exiting?from?any?of?the?above?options.
?*?----------------------------------------------------------------------------?*/
void?menu（）{
	u8?inp?=?0x00;
	u32?CntrlRegister;

	/*?Turn?off?all?LEDs?*/
	Xil_Out32（LED_base?0）;

	CntrlRegister?=?XUartPs_ReadReg（UART_baseADDR?XUARTPS_CR_OFFSET）;

	XUartPs_WriteReg（UART_baseADDR?XUARTPS_CR_OFFSET
				??（（CntrlRegister?&?~XUARTPS_CR_EN_DIS_MASK）?|
				???XUARTPS_CR_TX_EN?|?XUARTPS_CR_RX_EN））;

	xil_printf（“\r\n\r\n“）;
	xil_printf（“embedded?LMS?Filtering?Demo\r\n“）;
	xil_printf（“Enter?‘s‘?to?stream?pure?audio?‘n‘?to?add?tonal?noise?and?‘f‘?to?adaptively?filter\r\n“）;
	xil_printf（“----------------------------------------\r\n“）;

	//?Wait?for?input?from?UART?via?the?terminal
	while?（!XUartPs_IsReceiveData（UART_baseADDR））;
				inp?=?XUartPs_ReadReg（UART_baseADDR?XUARTPS_FIFO_OFFSET）;
	//?Select?function?based?on?UART?input
	switch（inp）{
	case?‘s‘:
		xil_printf（“STREAMING?AUDIO\r\n“）;
		xil_printf（“Press?‘q‘?to?return?to?the?main?menu\r\n“）;
		audio_stream（）;
		break;
	case?‘n‘:
		xil_printf（“ENTERING?NOISE?GENERATION?OPERATION\r\n“）;
		xil_printf（“Select?step?size?via?the?DIP?switches...\r\n\n“）;
		xil_printf（“Press?‘q‘?to?return?to?th

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-07-11?01:12??adventures_with_ip_integrator\
?????目錄???????????0??2014-07-11?01:12??adventures_with_ip_integrator\constraints\
?????文件????????1998??2014-01-29?01:32??adventures_with_ip_integrator\constraints\adventures_with_ip.xdc
?????目錄???????????0??2014-07-11?01:12??adventures_with_ip_integrator\drivers\
?????文件????????3124??2013-10-30?01:42??adventures_with_ip_integrator\drivers\audio.h
?????目錄???????????0??2014-07-11?01:12??adventures_with_ip_integrator\ip\
?????文件???????12433??2013-10-24?19:23??adventures_with_ip_integrator\ip\xilinx.com_user_led_controller_1.0.zip
?????文件???????86668??2013-10-28?22:26??adventures_with_ip_integrator\ip\xilinx.com_user_lms_pcore_1.0.zip
?????文件???????29276??2013-10-25?19:36??adventures_with_ip_integrator\ip\xilinx_com_hls_nco_1_0.zip
?????文件???????67797??2013-07-24?18:32??adventures_with_ip_integrator\ip\zed_audio_ctrl.zip
?????文件?????3979052??2013-10-28?21:30??adventures_with_ip_integrator\original_speech.wav
?????目錄???????????0??2014-07-11?01:12??adventures_with_ip_integrator\software\
?????文件????????3249??2013-10-30?19:28??adventures_with_ip_integrator\software\adventures_with_ip.c
?????文件????????2666??2013-10-30?19:11??adventures_with_ip_integrator\software\adventures_with_ip.h
?????文件????????8616??2013-10-30?19:51??adventures_with_ip_integrator\software\audio.c
?????文件????????8946??2013-10-30?20:21??adventures_with_ip_integrator\software\ip_functions.c
?????目錄???????????0??2014-07-11?01:12??first_zynq_design\
?????文件????????2744??2014-01-27?23:00??first_zynq_design\LED_test_tut_1C.c
?????目錄???????????0??2014-07-11?01:12??hdl_coder_lms\
?????文件???????15091??2014-05-06?23:17??hdl_coder_lms\lms.slx
?????文件?????3979052??2013-10-28?17:19??hdl_coder_lms\original_speech.wav
?????文件?????????309??2013-10-28?17:51??hdl_coder_lms\playback.m
?????文件?????????208??2013-10-28?17:43??hdl_coder_lms\setup.m
?????目錄???????????0??2014-07-11?01:10??hls\
?????目錄???????????0??2014-07-15?21:39??hls\tut3A\
?????文件?????????585??2014-05-06?22:47??hls\tut3A\matrix_mult.cpp
?????文件?????????544??2014-05-06?22:47??hls\tut3A\matrix_mult.h
?????文件????????1593??2014-05-06?22:47??hls\tut3A\matrix_mult_test.cpp
?????文件?????????801??2014-05-06?22:47??hls\tut3A\run_hls.tcl
?????目錄???????????0??2014-07-15?21:39??hls\tut3B\
?????文件?????????585??2014-05-06?22:47??hls\tut3B\matrix_mult.cpp
............此處省略19個文件信息