User`s guide

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Source Files Organization

3-12 AT85C51SND3Bx Firmware User’s Guide

7691A–MP3–08/07

3.1.3 conf Directory The conf directory contains header files allowing user to configure the Atmel libraries. Its

content is detailed in Section 6.

............conf_access.h: configuration of the memory access interfaces

.............................................conf_audio.h: configuration of the audio part (HW and SW)

.............................................conf_clock.h: configuration of the oscillator frequency

.............................................conf_explorer.h: configuration of the FAT and the navigator

.............................................conf_kbd.h: configuration of the keyboard (HW and SW)

.............................................conf_lbd.h: configuration of the LCD (HW and SW)

.............................................conf_lbd.h: configuration of the SD/MMC interface

.............................................conf_mmi.h: configuration of the MMI behavior

.............................................conf_nf.h: configuration of the nand-flash

.............................................conf_power.h: configuration of power (HW and SW)

.............................................conf_scheduler.h: scheduling of the tasks

.............................................conf_update.h: configuration of the firmware upgrade

.............................................conf_usb.h: configuration of the USB interface

3.1.4 drivers Directory The drivers directory contains the user’s MMI peripherals high-level API source code.

.............................user’s external DAC drivers

.............................................user’s FM receiver drivers

.............................................user’s LCD display drivers

.............................................user’s high-level API source code to display MMI graphical objects

3.1.5 lib_mcu Directory The lib_mcu directory contains the AT85C51SND3Bx core and peripherals drivers

source code.

.....................Audio Processor driver

.............................................Clock Manager driver

.............................................Data Flow Controller driver

.............................................Interrupt controller driver

.............................................Keyboard drivers

.............................................Display interface driver

.............................................MultiMediaCard drivers

.............................................Nand Flash Controller driver

.............................................Power management driver

.............................................Parallel Slave Interface driver

.............................................Serial I/O port driver

.............................................Memory space management driver

.............................................Timers driver

.............................................Universal Serial Bus controller driver

.............................................WatchDog Timer driver

.............................................Generic macro-functions define to get rid of compiler specificities

.............................................Routines of debug trace and assert

.............................................AT85C51SND3Bx SFR registers description file

.............................................Include file to enable and put traces

Note: mcu_drv.h file defines a list of masks related to peripherals controller and provides a list

of macro-functions that maps SFR and pages.

The AT85C51SND3Bx implements a SFR pagination mechanism which allows mapping

of high number of peripherals in the SFR space. Four pages are accessible through the

PPCON register.