diff options
Diffstat (limited to 'atmel-samd/asf4/samd21/hal/src/hal_usart_sync.c')
| -rw-r--r-- | atmel-samd/asf4/samd21/hal/src/hal_usart_sync.c | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/atmel-samd/asf4/samd21/hal/src/hal_usart_sync.c b/atmel-samd/asf4/samd21/hal/src/hal_usart_sync.c deleted file mode 100644 index ccc832db8..000000000 --- a/atmel-samd/asf4/samd21/hal/src/hal_usart_sync.c +++ /dev/null @@ -1,285 +0,0 @@ -/** - * \file - * - * \brief I/O USART related functionality implementation. - * - * Copyright (C) 2014 - 2016 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 - * - */ - -#include "hal_usart_sync.h" -#include <utils_assert.h> -#include <utils.h> - -/** - * \brief Driver version - */ -#define DRIVER_VERSION 0x00000001u - -static int32_t usart_sync_write(struct io_descriptor *const io_descr, const uint8_t *const buf, const uint16_t length); -static int32_t usart_sync_read(struct io_descriptor *const io_descr, uint8_t *const buf, const uint16_t length); - -/** - * \brief Initialize usart interface - */ -int32_t usart_sync_init(struct usart_sync_descriptor *const descr, void *const hw, void *const func) -{ - int32_t init_status; - ASSERT(descr && hw); - init_status = _usart_sync_init(&descr->device, hw); - if (init_status) { - return init_status; - } - - descr->io.read = usart_sync_read; - descr->io.write = usart_sync_write; - - return ERR_NONE; -} - -/** - * \brief Uninitialize usart interface - */ -int32_t usart_sync_deinit(struct usart_sync_descriptor *const descr) -{ - ASSERT(descr); - _usart_sync_deinit(&descr->device); - - descr->io.read = NULL; - descr->io.write = NULL; - - return ERR_NONE; -} - -/** - * \brief Enable usart interface - */ -int32_t usart_sync_enable(struct usart_sync_descriptor *const descr) -{ - ASSERT(descr); - _usart_sync_enable(&descr->device); - - return ERR_NONE; -} - -/** - * \brief Disable usart interface - */ -int32_t usart_sync_disable(struct usart_sync_descriptor *const descr) -{ - ASSERT(descr); - _usart_sync_disable(&descr->device); - - return ERR_NONE; -} - -/** - * \brief Retrieve I/O descriptor - */ -int32_t usart_sync_get_io_descriptor(struct usart_sync_descriptor *const descr, struct io_descriptor **io) -{ - ASSERT(descr && io); - - *io = &descr->io; - return ERR_NONE; -} - -/** - * \brief Specify action for flow control pins - */ -int32_t usart_sync_set_flow_control(struct usart_sync_descriptor *const descr, - const union usart_flow_control_state state) -{ - ASSERT(descr); - _usart_sync_set_flow_control_state(&descr->device, state); - - return ERR_NONE; -} - -/** - * \brief Set usart baud rate - */ -int32_t usart_sync_set_baud_rate(struct usart_sync_descriptor *const descr, const uint32_t baud_rate) -{ - ASSERT(descr); - _usart_sync_set_baud_rate(&descr->device, baud_rate); - - return ERR_NONE; -} - -/** - * \brief Set usart data order - */ -int32_t usart_sync_set_data_order(struct usart_sync_descriptor *const descr, const enum usart_data_order data_order) -{ - ASSERT(descr); - _usart_sync_set_data_order(&descr->device, data_order); - - return ERR_NONE; -} - -/** - * \brief Set usart mode - */ -int32_t usart_sync_set_mode(struct usart_sync_descriptor *const descr, const enum usart_mode mode) -{ - ASSERT(descr); - _usart_sync_set_mode(&descr->device, mode); - - return ERR_NONE; -} - -/** - * \brief Set usart parity - */ -int32_t usart_sync_set_parity(struct usart_sync_descriptor *const descr, const enum usart_parity parity) -{ - ASSERT(descr); - _usart_sync_set_parity(&descr->device, parity); - - return ERR_NONE; -} - -/** - * \brief Set usart stop bits - */ -int32_t usart_sync_set_stopbits(struct usart_sync_descriptor *const descr, const enum usart_stop_bits stop_bits) -{ - ASSERT(descr); - _usart_sync_set_stop_bits(&descr->device, stop_bits); - - return ERR_NONE; -} - -/** - * \brief Set usart character size - */ -int32_t usart_sync_set_character_size(struct usart_sync_descriptor *const descr, const enum usart_character_size size) -{ - ASSERT(descr); - _usart_sync_set_character_size(&descr->device, size); - - return ERR_NONE; -} - -/** - * \brief Retrieve the state of flow control pins - */ -int32_t usart_sync_flow_control_status(const struct usart_sync_descriptor *const descr, - union usart_flow_control_state *const state) -{ - ASSERT(descr && state); - *state = _usart_sync_get_flow_control_state(&descr->device); - - return ERR_NONE; -} - -/** - * \brief Check if the usart transmitter is empty - */ -int32_t usart_sync_is_tx_empty(const struct usart_sync_descriptor *const descr) -{ - ASSERT(descr); - return _usart_sync_is_byte_sent(&descr->device); -} - -/** - * \brief Check if the usart receiver is not empty - */ -int32_t usart_sync_is_rx_not_empty(const struct usart_sync_descriptor *const descr) -{ - ASSERT(descr); - return _usart_sync_is_byte_received(&descr->device); -} - -/** - * \brief Retrieve the current driver version - */ -uint32_t usart_sync_get_version(void) -{ - return DRIVER_VERSION; -} - -/* - * \internal Write the given data to usart interface - * - * \param[in] descr The pointer to an io descriptor - * \param[in] buf Data to write to usart - * \param[in] length The number of bytes to write - * - * \return The number of bytes written. - */ -static int32_t usart_sync_write(struct io_descriptor *const io_descr, const uint8_t *const buf, const uint16_t length) -{ - uint32_t offset = 0; - struct usart_sync_descriptor *descr = CONTAINER_OF(io_descr, struct usart_sync_descriptor, io); - - ASSERT(io_descr && buf && length); - while (!_usart_sync_is_byte_sent(&descr->device)) - ; - do { - _usart_sync_write_byte(&descr->device, buf[offset]); - while (!_usart_sync_is_byte_sent(&descr->device)) - ; - } while (++offset < length); - - return (int32_t)offset; -} - -/* - * \internal Read data from usart interface - * - * \param[in] descr The pointer to an io descriptor - * \param[in] buf A buffer to read data to - * \param[in] length The size of a buffer - * - * \return The number of bytes read. - */ -static int32_t usart_sync_read(struct io_descriptor *const io_descr, uint8_t *const buf, const uint16_t length) -{ - uint32_t offset = 0; - struct usart_sync_descriptor *descr = CONTAINER_OF(io_descr, struct usart_sync_descriptor, io); - - ASSERT(io_descr && buf && length); - do { - while (!_usart_sync_is_byte_received(&descr->device)) - ; - buf[offset] = _usart_sync_read_byte(&descr->device); - } while (++offset < length); - - return (int32_t)offset; -} |