diff options
Diffstat (limited to 'atmel-samd/asf/sam0/drivers/sercom/sercom_interrupt.c')
| -rw-r--r-- | atmel-samd/asf/sam0/drivers/sercom/sercom_interrupt.c | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/atmel-samd/asf/sam0/drivers/sercom/sercom_interrupt.c b/atmel-samd/asf/sam0/drivers/sercom/sercom_interrupt.c deleted file mode 100644 index b26d05b6e..000000000 --- a/atmel-samd/asf/sam0/drivers/sercom/sercom_interrupt.c +++ /dev/null @@ -1,141 +0,0 @@ -/** - * \file - * - * \brief SAM Serial Peripheral Interface Driver - * - * Copyright (C) 2012-2015 Atmel Corporation. All rights reserved. - * - * \asf_license_start - * - * \page License - * - * 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 microcontroller 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. - * - * \asf_license_stop - * - */ -/* - * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> - */ -#include "sercom_interrupt.h" - -void *_sercom_instances[SERCOM_INST_NUM]; - -/** Save status of initialized handlers */ -static bool _handler_table_initialized = false; - -/** Void pointers for saving device instance structures */ -static void (*_sercom_interrupt_handlers[SERCOM_INST_NUM])(const uint8_t instance); - -/** - * \internal - * Default interrupt handler. - * - * \param[in] instance SERCOM instance used. - */ -static void _sercom_default_handler( - const uint8_t instance) -{ - Assert(false); -} - -/** - * \internal - * Saves the given callback handler. - * - * \param[in] instance Instance index. - * \param[in] interrupt_handler Pointer to instance callback handler. - */ -void _sercom_set_handler( - const uint8_t instance, - const sercom_handler_t interrupt_handler) -{ - /* Initialize handlers with default handler and device instances with 0 */ - if (_handler_table_initialized == false) { - for (uint32_t i = 0; i < SERCOM_INST_NUM; i++) { - _sercom_interrupt_handlers[i] = &_sercom_default_handler; - _sercom_instances[i] = NULL; - } - - _handler_table_initialized = true; - } - - /* Save interrupt handler */ - _sercom_interrupt_handlers[instance] = interrupt_handler; -} - - -/** \internal - * Converts a given SERCOM index to its interrupt vector index. - */ -#define _SERCOM_INTERRUPT_VECT_NUM(n, unused) \ - SYSTEM_INTERRUPT_MODULE_SERCOM##n, - -/** \internal - * Generates a SERCOM interrupt handler function for a given SERCOM index. - */ -#define _SERCOM_INTERRUPT_HANDLER(n, unused) \ - void SERCOM##n##_Handler(void) \ - { \ - _sercom_interrupt_handlers[n](n); \ - } - -/** - * \internal - * Returns the system interrupt vector. - * - * \param[in] sercom_instance Instance pointer - * - * \return Enum of system interrupt vector - * \retval SYSTEM_INTERRUPT_MODULE_SERCOM0 - * \retval SYSTEM_INTERRUPT_MODULE_SERCOM1 - * \retval SYSTEM_INTERRUPT_MODULE_SERCOM2 - * \retval SYSTEM_INTERRUPT_MODULE_SERCOM3 - * \retval SYSTEM_INTERRUPT_MODULE_SERCOM4 - * \retval SYSTEM_INTERRUPT_MODULE_SERCOM5 - * \retval SYSTEM_INTERRUPT_MODULE_SERCOM6 - * \retval SYSTEM_INTERRUPT_MODULE_SERCOM7 - */ -enum system_interrupt_vector _sercom_get_interrupt_vector( - Sercom *const sercom_instance) -{ - const uint8_t sercom_int_vectors[SERCOM_INST_NUM] = - { - MREPEAT(SERCOM_INST_NUM, _SERCOM_INTERRUPT_VECT_NUM, ~) - }; - - /* Retrieve the index of the SERCOM being requested */ - uint8_t instance_index = _sercom_get_sercom_inst_index(sercom_instance); - - /* Get the vector number from the lookup table for the requested SERCOM */ - return (enum system_interrupt_vector)sercom_int_vectors[instance_index]; -} - -/** Auto-generate a set of interrupt handlers for each SERCOM in the device */ -MREPEAT(SERCOM_INST_NUM, _SERCOM_INTERRUPT_HANDLER, ~) |