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authorDavid Madison <dmadison@users.noreply.github.com>2019-02-15 12:08:19 -0500
committerDavid Madison <dmadison@users.noreply.github.com>2019-02-15 12:08:31 -0500
commit4a7ef06b516dba4cdda939a16e5458c59592f6b1 (patch)
treeb00e15e665a2f456c1fb207aeb9ac12283181a00 /firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/PDCA/pdca.c
parent98f00eb533e0ed571b90f8e014d1eb59052a0597 (diff)
Delete 'firmwares' folder
Diffstat (limited to 'firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/PDCA/pdca.c')
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diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/PDCA/pdca.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/PDCA/pdca.c
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-/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
-
-/*This file is prepared for Doxygen automatic documentation generation.*/
-/*! \file *********************************************************************
- *
- * \brief PDCA driver for AVR32 UC3.
- *
- * This file defines a useful set of functions for the PDCA interface on AVR32
- * devices.
- *
- * - Compiler: IAR EWAVR32 and GNU GCC for AVR32
- * - Supported devices: All AVR32 devices with a PDCA module.
- * - AppNote:
- *
- * \author Atmel Corporation: http://www.atmel.com \n
- * Support and FAQ: http://support.atmel.no/
- *
- ******************************************************************************/
-
-/* Copyright (c) 2009 Atmel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. The name of Atmel may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * 4. This software may only be redistributed and used in connection with an Atmel
- * AVR product.
- *
- * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
- *
- */
-
-#include "compiler.h"
-#include "pdca.h"
-
-
-volatile avr32_pdca_channel_t *pdca_get_handler(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = &AVR32_PDCA.channel[pdca_ch_number];
-
- if (pdca_ch_number >= AVR32_PDCA_CHANNEL_LENGTH)
- return (volatile avr32_pdca_channel_t *)PDCA_INVALID_ARGUMENT;
-
- return pdca_channel;
-}
-
-
-int pdca_init_channel(unsigned int pdca_ch_number, const pdca_channel_options_t *opt)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- pdca_disable_interrupt_transfer_complete(pdca_ch_number); // disable channel interrupt
- pdca_disable_interrupt_reload_counter_zero(pdca_ch_number); // disable channel interrupt
-
- Bool global_interrupt_enabled = Is_global_interrupt_enabled();
-
- if (global_interrupt_enabled) Disable_global_interrupt();
- pdca_channel->mar = (unsigned long)opt->addr;
- pdca_channel->tcr = opt->size;
- pdca_channel->psr = opt->pid;
- pdca_channel->marr = (unsigned long)opt->r_addr;
- pdca_channel->tcrr = opt->r_size;
- pdca_channel->mr =
-#if (defined AVR32_PDCA_120_H_INCLUDED ) || (defined AVR32_PDCA_121_H_INCLUDED ) || (defined AVR32_PDCA_122_H_INCLUDED )
-opt->etrig << AVR32_PDCA_ETRIG_OFFSET |
-#endif // #ifdef AVR32_PDCA_120_H_INCLUDED
- opt->transfer_size << AVR32_PDCA_SIZE_OFFSET;
- pdca_channel->cr = AVR32_PDCA_ECLR_MASK;
- pdca_channel->isr;
- if (global_interrupt_enabled) Enable_global_interrupt();
-
- return PDCA_SUCCESS;
-}
-
-
-unsigned int pdca_get_channel_status(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- return (pdca_channel->sr & AVR32_PDCA_TEN_MASK) != 0;
-}
-
-
-void pdca_disable(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- // Disable transfer
- pdca_channel->cr = AVR32_PDCA_TDIS_MASK;
-
-}
-
-
-void pdca_enable(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- // Enable transfer
- pdca_channel->cr = AVR32_PDCA_TEN_MASK;
-}
-
-
-unsigned int pdca_get_load_size(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- return pdca_channel->tcr;
-}
-
-
-void pdca_load_channel(unsigned int pdca_ch_number, volatile void *addr, unsigned int size)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- Bool global_interrupt_enabled = Is_global_interrupt_enabled();
-
- if (global_interrupt_enabled) Disable_global_interrupt();
- pdca_channel->mar = (unsigned long)addr;
- pdca_channel->tcr = size;
- pdca_channel->cr = AVR32_PDCA_ECLR_MASK;
- pdca_channel->isr;
- if (global_interrupt_enabled) Enable_global_interrupt();
-}
-
-
-unsigned int pdca_get_reload_size(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- return pdca_channel->tcrr;
-}
-
-
-void pdca_reload_channel(unsigned int pdca_ch_number, volatile void *addr, unsigned int size)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- Bool global_interrupt_enabled = Is_global_interrupt_enabled();
-
- if (global_interrupt_enabled) Disable_global_interrupt();
- // set up next memory address
- pdca_channel->marr = (unsigned long)addr;
- // set up next memory size
- pdca_channel->tcrr = size;
- pdca_channel->cr = AVR32_PDCA_ECLR_MASK;
- pdca_channel->isr;
- if (global_interrupt_enabled) Enable_global_interrupt();
-}
-
-
-void pdca_set_peripheral_select(unsigned int pdca_ch_number, unsigned int pid)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- pdca_channel->psr = pid;
-}
-
-
-void pdca_set_transfer_size(unsigned int pdca_ch_number, unsigned int transfer_size)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- pdca_channel->mr = (pdca_channel->mr & ~AVR32_PDCA_SIZE_MASK) |
- transfer_size << AVR32_PDCA_SIZE_OFFSET;
-}
-
-
-#if (defined AVR32_PDCA_120_H_INCLUDED ) || (defined AVR32_PDCA_121_H_INCLUDED ) || (defined AVR32_PDCA_122_H_INCLUDED )
-
-
-void pdca_disable_event_trigger(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- pdca_channel->mr &= ~AVR32_PDCA_ETRIG_MASK;
-}
-
-
-void pdca_enable_event_trigger(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- pdca_channel->mr |= AVR32_PDCA_ETRIG_MASK;
-}
-
-
-#endif // #ifdef AVR32_PDCA_120_H_INCLUDED
-
-
-void pdca_disable_interrupt_transfer_error(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- Bool global_interrupt_enabled = Is_global_interrupt_enabled();
-
- if (global_interrupt_enabled) Disable_global_interrupt();
- pdca_channel->idr = AVR32_PDCA_TERR_MASK;
- pdca_channel->isr;
- if (global_interrupt_enabled) Enable_global_interrupt();
-}
-
-
-void pdca_enable_interrupt_transfer_error(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- pdca_channel->ier = AVR32_PDCA_TERR_MASK;
-}
-
-
-void pdca_disable_interrupt_transfer_complete(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- Bool global_interrupt_enabled = Is_global_interrupt_enabled();
-
- if (global_interrupt_enabled) Disable_global_interrupt();
- pdca_channel->idr = AVR32_PDCA_TRC_MASK;
- pdca_channel->isr;
- if (global_interrupt_enabled) Enable_global_interrupt();
-}
-
-
-void pdca_enable_interrupt_transfer_complete(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- pdca_channel->ier = AVR32_PDCA_TRC_MASK;
-}
-
-
-void pdca_disable_interrupt_reload_counter_zero(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- Bool global_interrupt_enabled = Is_global_interrupt_enabled();
-
- if (global_interrupt_enabled) Disable_global_interrupt();
- pdca_channel->idr = AVR32_PDCA_RCZ_MASK;
- pdca_channel->isr;
- if (global_interrupt_enabled) Enable_global_interrupt();
-}
-
-
-void pdca_enable_interrupt_reload_counter_zero(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- pdca_channel->ier = AVR32_PDCA_RCZ_MASK;
-}
-
-
-unsigned long pdca_get_transfer_status(unsigned int pdca_ch_number)
-{
- // get the correct channel pointer
- volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(pdca_ch_number);
-
- return pdca_channel->isr;
-}