141 lines
4.7 KiB
Plaintext
141 lines
4.7 KiB
Plaintext
/*
|
|
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
|
|
2011,2012,2013 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/>.
|
|
*/
|
|
|
|
/**
|
|
* @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
|
|
*/
|