137 lines
4.5 KiB
Plaintext
137 lines
4.5 KiB
Plaintext
/*
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ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @defgroup AT91SAM7 AT91SAM7 Drivers
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* @details This section describes all the supported drivers on the AT91SAM7
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* platform and the implementation details of the single drivers.
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*
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* @ingroup platforms
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*/
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/**
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* @defgroup AT91SAM7_HAL AT91SAM7 Initialization Support
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* @details The AT91SAM7 HAL support is responsible for system initialization.
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*
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* @section at91sam7_hal_1 Supported HW resources
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* - MC.
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* - PMC.
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* .
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* @section at91sam7_hal_2 AT91SAM7 HAL driver implementation features
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* - PLLs startup and stabilization.
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* - Clock source selection.
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* - Flash wait states.
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* .
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* @ingroup AT91SAM7
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*/
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/**
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* @defgroup AT91SAM7_MAC AT91SAM7 MAC Support
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* @details The AT91SAM7 MAC driver supports the EMAC peripheral.
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*
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* @section at91sam7_mac_1 Supported HW resources
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* - EMAC.
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* .
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* @ingroup AT91SAM7
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*/
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/**
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* @defgroup AT91SAM7_MII AT91SAM7 MII Support
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* @details This driver supports the AT91SAM7 EMAC peripheral communicating
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* with an external PHY transceiver. The driver currently supports
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* the Micrel KS8721 PHY and the Davicom DV9161 modules. This driver
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* is used internally by the MAC driver.
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*
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* @ingroup AT91SAM7
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*/
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/**
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* @defgroup AT91SAM7_PAL AT91SAM7 PAL Support
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* @details The AT91SAM7 PAL driver supports the PIO peripherals.
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*
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* @section at91sam7_pal_1 Supported HW resources
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* - PIOA.
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* - PIOB.
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* .
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* @section at91sam7_pal_2 AT91SAM7 PAL driver implementation features
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* The PAL driver implementation fully supports the following hardware
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* capabilities:
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* - 32 bits wide ports.
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* - Atomic set/reset functions.
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* - Output latched regardless of the pad setting.
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* - Direct read of input pads regardless of the pad setting.
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* .
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* @section at91sam7_pal_3 Supported PAL setup modes
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* The AT91SAM7 PAL driver supports the following I/O modes:
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* - @p PAL_MODE_RESET.
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* - @p PAL_MODE_UNCONNECTED.
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* - @p PAL_MODE_INPUT.
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* - @p PAL_MODE_INPUT_ANALOG (same as @p PAL_MODE_INPUT).
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* - @p PAL_MODE_INPUT_PULLUP.
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* - @p PAL_MODE_OUTPUT_PUSHPULL.
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* - @p PAL_MODE_OUTPUT_OPENDRAIN.
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* .
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* Any attempt to setup an invalid mode is ignored.
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*
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* @section at91sam7_pal_4 Suboptimal behavior
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* The AT91SAM7 PIO is less than optimal in several areas, the limitations
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* should be taken in account while using the PAL driver:
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* - Pad/port toggling operations are not atomic.
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* - Pad/group mode setup is not atomic.
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* .
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* @ingroup AT91SAM7
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*/
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/**
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* @defgroup AT91SAM7_SERIAL AT91SAM7 Serial Support
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* @details The AT91SAM7 Serial driver uses the USART/UART peripherals in a
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* buffered, interrupt driven, implementation.
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*
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* @section at91sam7_serial_1 Supported HW resources
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* The serial driver can support any of the following hardware resources:
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* - USART1.
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* - USART2.
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* - DBGU.
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* .
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* @section at91sam7_serial_2 AT91SAM7 Serial driver implementation features
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* - Clock stop for reduced power usage when the driver is in stop state.
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* - Each USART can be independently enabled and programmed. Unused
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* peripherals are left in low power mode.
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* - Fully interrupt driven.
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* - Programmable priority levels for each USART.
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* .
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* @ingroup AT91SAM7
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*/
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/**
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* @defgroup AT91SAM7_SPI AT91SAM7 SPI Support
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* @details The SPI driver supports the AT91SAM7 SPI peripherals using DMA
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* channels for maximum performance.
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*
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* @section at91sam7_spi_1 Supported HW resources
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* - SPI1.
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* - SPI2.
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* .
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* @section at91sam7_spi_2 AT91SAM7 SPI driver implementation features
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* - Clock stop for reduced power usage when the driver is in stop state.
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* - Each SPI can be independently enabled and programmed. Unused
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* peripherals are left in low power mode.
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* - Programmable interrupt priority levels for each SPI.
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* - DMA is used for receiving and transmitting.
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* .
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* @ingroup AT91SAM7
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*/
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