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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/**
* @defgroup AT91SAM7 AT91SAM7 Drivers
* @details This section describes all the supported drivers on the AT91SAM7
* platform and the implementation details of the single drivers.
*
* @ingroup platforms
*/
/**
* @defgroup AT91SAM7_HAL AT91SAM7 Initialization Support
* @details The AT91SAM7 HAL support is responsible for system initialization.
*
* @section at91sam7_hal_1 Supported HW resources
* - MC.
* - PMC.
* .
* @section at91sam7_hal_2 AT91SAM7 HAL driver implementation features
* - PLLs startup and stabilization.
* - Clock source selection.
* - Flash wait states.
* .
* @ingroup AT91SAM7
*/
/**
* @defgroup AT91SAM7_MAC AT91SAM7 MAC Support
* @details The AT91SAM7 MAC driver supports the EMAC peripheral.
*
* @section at91sam7_mac_1 Supported HW resources
* - EMAC.
* .
* @ingroup AT91SAM7
*/
/**
* @defgroup AT91SAM7_MII AT91SAM7 MII Support
* @details This driver supports the AT91SAM7 EMAC peripheral communicating
* with an external PHY transceiver. The driver currently supports
* the Micrel KS8721 PHY and the Davicom DV9161 modules. This driver
* is used internally by the MAC driver.
*
* @ingroup AT91SAM7
*/
/**
* @defgroup AT91SAM7_PAL AT91SAM7 PAL Support
* @details The AT91SAM7 PAL driver supports the PIO peripherals.
*
* @section at91sam7_pal_1 Supported HW resources
* - PIOA.
* - PIOB.
* .
* @section at91sam7_pal_2 AT91SAM7 PAL driver implementation features
* The PAL driver implementation fully supports the following hardware
* capabilities:
* - 32 bits wide ports.
* - Atomic set/reset functions.
* - Output latched regardless of the pad setting.
* - Direct read of input pads regardless of the pad setting.
* .
* @section at91sam7_pal_3 Supported PAL setup modes
* The AT91SAM7 PAL driver supports the following I/O modes:
* - @p PAL_MODE_RESET.
* - @p PAL_MODE_UNCONNECTED.
* - @p PAL_MODE_INPUT.
* - @p PAL_MODE_INPUT_ANALOG (same as @p PAL_MODE_INPUT).
* - @p PAL_MODE_INPUT_PULLUP.
* - @p PAL_MODE_OUTPUT_PUSHPULL.
* - @p PAL_MODE_OUTPUT_OPENDRAIN.
* .
* Any attempt to setup an invalid mode is ignored.
*
* @section at91sam7_pal_4 Suboptimal behavior
* The AT91SAM7 PIO is less than optimal in several areas, the limitations
* should be taken in account while using the PAL driver:
* - Pad/port toggling operations are not atomic.
* - Pad/group mode setup is not atomic.
* .
* @ingroup AT91SAM7
*/
/**
* @defgroup AT91SAM7_SERIAL AT91SAM7 Serial Support
* @details The AT91SAM7 Serial driver uses the USART/UART peripherals in a
* buffered, interrupt driven, implementation.
*
* @section at91sam7_serial_1 Supported HW resources
* The serial driver can support any of the following hardware resources:
* - USART1.
* - USART2.
* - DBGU.
* .
* @section at91sam7_serial_2 AT91SAM7 Serial driver implementation features
* - Clock stop for reduced power usage when the driver is in stop state.
* - Each USART can be independently enabled and programmed. Unused
* peripherals are left in low power mode.
* - Fully interrupt driven.
* - Programmable priority levels for each USART.
* .
* @ingroup AT91SAM7
*/
/**
* @defgroup AT91SAM7_SPI AT91SAM7 SPI Support
* @details The SPI driver supports the AT91SAM7 SPI peripherals using DMA
* channels for maximum performance.
*
* @section at91sam7_spi_1 Supported HW resources
* - SPI1.
* - SPI2.
* .
* @section at91sam7_spi_2 AT91SAM7 SPI driver implementation features
* - Clock stop for reduced power usage when the driver is in stop state.
* - Each SPI can be independently enabled and programmed. Unused
* peripherals are left in low power mode.
* - Programmable interrupt priority levels for each SPI.
* - DMA is used for receiving and transmitting.
* .
* @ingroup AT91SAM7
*/
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