Atmel AT89C51SND1C Manuale utente

Firmware Package

.............................................................................................

User Guide

Firmware Package User Guide 1

4209A–MP3–12/02

Section 1

Introduction...........................................................................................1-1

1.1 Doc Control...............................................................................................1-1

1.2 References................................................................................................1-1

1.3 Abbreviations ............................................................................................1-1

Section 2

Installation.............................................................................................2-3

2.1 Architecture...............................................................................................2-3

2.2 Firmware Configuration.............................................................................2-8

2.3 SBC Libraries Interface.............................................................................2-9

2.4 Mass Storage Drivers..............................................................................2-10

Section 3

Operating Description.........................................................................3-11

3.1 Keypad Assignment................................................................................3-11

3.2 Firmware Upgrade ..................................................................................3-11

3.3 Start-Up...................................................................................................3-11

3.4 Mode Selection .......................................................................................3-12

3.5 Song Operating Mode.............................................................................3-12

3.6 Voice Operating Mode ............................................................................3-15

3.7 Tool Operating Mode ..............................................................................3-17

3.8 Download Operating Mode .....................................................................3-18

Firmware Package User Guide 1-1

Rev. 4209A–MP3–12/02

Section 1

Introduction

The AT89C51SND1C demonstration firmware is part of the AT8xC51SND1C starter kit.

This document is the user’s manual of the AT89C51SND1C demonstration firmware. It

is based on the development board V2.1 or V2.2.

1.1 Doc Control

1.2 References nAT8xC51SND1C Datasheet

nAT89C51SND1C Errata Sheet

nAT8xC51SND1 Development Board User’s Manual

1.3 Abbreviations nMP3: MPEG layer 3

nMMC: MultiMediaCard

nDF: Atmel on-board DataFlash memories

nUSB: Universal Serial Bus

nFAT: File Allocation Table

nSBC: SCSI Block Command

Rev Pages Purpose of Modifications Author Date

AAll

Document creation based on V1.2.x user’s

manual. Support for AT89C51SND1C. Fosse. F Oct. 22, 2002

Installation

Firmware Package User Guide 2-3

4209A–MP3–12/02

Section 2

Installation

The firmware package is delivered in a zip file: snd1-demof-2_0_x.zip that extracts in an

Atmel\at89c51snd1c directory.

2.1 Architecture

2.1.1 Overview Figure 2-1 shows the organization of the Atmel\t89c51snd1 directory. The follwoing sec-

tions detail the content of the sub-directories.

Figure 2-1. Atmel\at89c51snd1c Directory Organization

2.1.2 usb_ms_drv

Directory As shown in Figure 2-2, the win_drv directory contains the windows 98™driver for the

USB mass storage application. The ‘readme’files gives some advice on how to instal

drivers on windows 98™platform and how to mount the removable disk on Linux™

platform.

Figure 2-2. usb_ms_drv Directory Organization

lib\

lib_demob\

lib_mem\

Atmel\at89c51snd1c\

demo\

usb_ms_drv\

lib_storage\

usb_ms_drv\ atusbms.zip

readme.txt

readme_linux.pdf

Installation

2-4 Firmware Package User Guide

4209A–MP3–12/02

2.1.3 lib Directory As shown in Figure 2-3, the lib directory is organized in sub-directories that contain the

low-level drivers of the AT89C51SND1C peripherals.

The lib directory also contains the following files:

nc51_drv.h: this header file contains macro functions able to configure c51 core

features such as clock mode, ERAM size, global interrupt…

ncompiler.h: this header file contains new type definitions, general purpose constants

and macro functions able to get rid of compiler type.

nregsnd1.h: this header file contains special function registers and bit definition of the

AT8xC51SND1C products.

nextsnd1.h: this header file contains mask definitions for special function registers of

the AT8xC51SND1C products.

Figure 2-3. lib Directory Organization

adc\

pll\

adc_drv.c

adc_drv.h

aud\ aud_drv.c

aud_drv.h

pll_drv.h

kbd\ kbd_drv.c

kbd_drv.h

mmc\ mmc_drv.c

mmc_drv.h

mp3\ mp3_drv.c

mp3_drv.h

spi\ spi_drv.c

spi_drv.h

timer\ timer_drv.c

timer_drv.h

usb\ usb_drv.c

usb_drv.h

c51_drv.h

compiler.h

regsnd1.h

extsnd1.h

wdt\ wdt_drv.h

lib\

clock\ clock.c

clock.h

Installation

Firmware Package User Guide 2-5

4209A–MP3–12/02

2.1.4 lib_demob Directory As shown in Figure 2-4, the lib_demob directory is organized in sub-directories that con-

tain the low-level drivers of the AT8xC51SND1C development board peripherals.

The lib_demob directory also contains the following file:

ndemob.h: this header file contains definitions of the board hardware such as LCD

address, On-board Flash chip select ports…

Figure 2-4. lib_demob Directory Organization

2.1.5 lib_mem Directory As shown in Figure 2-5, the lib_mem directory is organized in sub-directories that con-

tain the high-level drivers of memories or cards that can be connected to the

AT8xC51SND1C products.

Figure 2-5. lib_mem Directory Organization

2.1.6 lib_storage

Directory As shown in Figure 2-6, the lib_storage directory contains the libraries for SBC mass

storage support. In order to standardize the interfaces and to keep confidentiality on

these modules embedded SCSI modules are delivered in library form (source code not

delivered).

SBC module is composed of the following libraries:

nsbc.lib

This lib contains the common (not memory dependant) SBC functions.

nsbc_df.lib

This lib contains the specific SBC functions for DataFlash support.

nsbc_mmc.lib

This lib contains the specific SBC functions for MultiMediaCard support.

nsbc_nf.lib

This lib contains the specific SBC functions for Nand Flash support.

nsbc_smc.lib

This lib contains the specific SBC functions for SmartMediaCard support.

nsbc_cf.lib

This lib contains the specific SBC functions for CompactFlash support.

Information on how to interface with those libraries is given in Section 2.3.

dac\

demob.h

lib_demob\ dac_drv.h

lcd\ lcd_drv.c

lcd_drv.h

df\

nf\

lib_mem\ df.c

mmc\ mmc.c

mmc.h

df.h

nf.c

nf.h

nf_drv.c

nf_drv.h

nf_drv.a51

xxx\

Installation

2-6 Firmware Package User Guide

4209A–MP3–12/02

Figure 2-6. lib_storage Directory Organization

2.1.7 demo Directory The demo directory contains all the demonstration firmware core directories. These

directories contain some important companion files giving information on the demon-

stration firmware. Please read this files carefully.

Figure 2-7. demo Directory Organization

2.1.7.1 demo_fat\doc

Directory The demo\demo_fat\doc directory contains the user’s manual of the firmware in PDF

format.

2.1.7.2 demo_fat\bin

Directory The demo\demo_fat\bin directory contains the Keil™µ-vision2 project files, and the exe-

cutable file in Intel™“.hex”format. Depending on the demo, up to three “.hex”files can

be found under this directory:

nplayer.hex: compilation result of the current configuration.

nsnd1c-demo-df-b21-2_0_x.hex: V2.0.X firmware for the V2.1 board.

nsnd1c-demo-df-b22-2_0_x.hex: V2.0.X firmware for the V2.2 board.

2.1.7.3 demo_fat\obj

Directory The demo\demo_fat\obj directory contains the object files of all modules after

compilation.

2.1.7.4 demo_fat\src

Directory As shown in Figure 2-8, the demo\demo_fat\src directory is organized in sub-directories

that contain files such as system header and source files, task header and source file.

sbc.h

sbc_mmc.lib

lib_storage\

sbc_df.lib

sbc_nf.lib

sbc_smc.lib

sbc_xxx.lib

sbc.lib

demo\ demo_fat\ bin\

obj\

src\

tst\

doc\

demo_nf\

CHANGES.txt

INSTALL.txt

LICENSE.txt

NEWS.txt

README.txt

…

doc\

Installation

Firmware Package User Guide 2-7

4209A–MP3–12/02

Figure 2-8. demo\demo_fat\src Directory Organization

clock\

file\

demo\demo_fat\src\ clock.c

clock.h

display\ disp.c

disp.h

fat.c

kbd\ kbd_task.c

kbd_task.h

mass\ usb_task.c

mem\ hard.h

mem_task.c

mode\ mode_task.c

mode_task.h

song\ song_drv.c

song_drv.h

system\ config.h

main.c

voice\ voice_drv.c

voice_drv.h

fat.h

disp_task.c

disp_task.h

file.c

file.h

mem_task.h

song_task.c

song_task.h

scheduler.c

scheduler.h

startup.a51

variable.c

voice_task.c

voice_task.h

tool\ tool_task.c

tool_task.h

usb_task.h

sbc.h

sbc.lib

sbc_df.lib

sbc_mmc.lib

Installation

2-8 Firmware Package User Guide

4209A–MP3–12/02

2.2 Firmware

Configuration There are two files that are used to configure the firmware:

nthe “config.h”located under the demo\demo_fat\src\system\ directory used to

configure the library/drivers as detailed in each driver header files.

nthe “board.h”located under lib_demob\ directory used to configure the board type

between V2.1 or V2.2 and the component information of the board.

Note: When working with the starter kit, only the board type has to be configured,

component configuration must not be changed.

2.2.1 USB IDs Three IDs are available for configuration by the user in config.h file:

nVendor ID

nProduct ID

nRelease Number ID

According to USB Organization: “Vendor ID (VID) is owned by the vendor company and

is assigned and maintained by the USB-IF only. E-mail admin@usb.org for more infor-

mation on USB-IF membership and obtaining a VID”.

Atmel allows usage of its VID (03EBh) during product development phase. In any case

Atmel’s VID may be used by customer for market release. Deviation to this rule may

lead to host USB crash in case of IDs confusion.

2.2.2 USB Mass Storage

Strings Six strings are available for configuration by user in config.h file. those strings are

printed during USB drivers installation and during disk drivers status report in host

system:

nUSB_MANUFACTURER_NAMEunicode character string

nUSB_MN_LENGTHnumber of unicode character

nUSB_PRODUCT_NAMEat least 12 unicode characters string

nUSB_PN_LENGTHnumber of unicode characters

nUSB_SERIAL_NUMBERat least 12 unicode characters string

nUSB_SN_LENGTHnumber of unicode character

nSBC_VENDOR_ID8 ASCII characters string

nSBC_PRODUCT_ID16 ASCII characters string

nSBC_REVISION_ID4 ASCII characters string

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