diff options
Diffstat (limited to 'atmel-samd/asf4/samd51/hal/src/hal_dac_sync.c')
| -rw-r--r-- | atmel-samd/asf4/samd51/hal/src/hal_dac_sync.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/atmel-samd/asf4/samd51/hal/src/hal_dac_sync.c b/atmel-samd/asf4/samd51/hal/src/hal_dac_sync.c new file mode 100644 index 000000000..a56e6aef7 --- /dev/null +++ b/atmel-samd/asf4/samd51/hal/src/hal_dac_sync.c @@ -0,0 +1,141 @@ +/** + * \file + * + * \brief DAC functionality implementation. + * + * Copyright (C) 2014 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_dac_sync.h" +#include <utils_assert.h> + +/** + * \brief Driver version + */ +#define DRIVER_VERSION 0x00000001u + +/** + * \brief Initialize the DAC HAL instance and hardware. + */ +int32_t dac_sync_init(struct dac_sync_descriptor *const descr, void *const hw) +{ + uint8_t i; + int32_t rc; + + ASSERT(descr && hw); + + rc = _dac_sync_init(&descr->device, hw); + if (rc) { + return rc; + } + + for (i = 0; i < CHANNEL_NUM; i++) { + descr->sel_ch[i].buffer = NULL; + descr->sel_ch[i].length = 0; + } + + return ERR_NONE; +} + +/** + * \brief Deinitialize the DAC HAL instance and hardware + */ +int32_t dac_sync_deinit(struct dac_sync_descriptor *const descr) +{ + ASSERT(descr); + + _dac_sync_deinit(&descr->device); + + return ERR_NONE; +} + +/** + * \brief Enable DAC channel + */ +int32_t dac_sync_enable_channel(struct dac_sync_descriptor *const descr, const uint8_t ch) +{ + ASSERT(descr && (ch < CHANNEL_NUM)); + + _dac_sync_enable_channel(&descr->device, ch); + + return ERR_NONE; +} + +/** + * \brief Disable DAC channel + */ +int32_t dac_sync_disable_channel(struct dac_sync_descriptor *const descr, const uint8_t ch) +{ + ASSERT(descr && (ch < CHANNEL_NUM)); + + _dac_sync_disable_channel(&descr->device, ch); + + return ERR_NONE; +} + +/** + * \brief DAC convert digital data to analog output + */ +int32_t dac_sync_write(struct dac_sync_descriptor *descr, const uint8_t ch, uint16_t *buffer, uint32_t length) +{ + ASSERT(descr && (ch < CHANNEL_NUM) && buffer && length); + + /* check whether channel is enable */ + if (!_dac_sync_is_channel_enable(&descr->device, ch)) { + return ERR_NOT_READY; + } + + descr->sel_ch[ch].buffer = buffer; + descr->sel_ch[ch].length = length; + + while (descr->sel_ch[ch].length) { + _dac_sync_write_data(&descr->device, *(descr->sel_ch[ch].buffer), ch); + descr->sel_ch[ch].buffer++; + descr->sel_ch[ch].length--; + } + + return ERR_NONE; +} + +/** + * \brief Get DAC driver version + */ +uint32_t dac_sync_get_version(void) +{ + return DRIVER_VERSION; +} |