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- /****************************************************************************
- * drivers/rc/dummy.c
- *
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership. The
- * ASF licenses this file to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance with the
- * License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations
- * under the License.
- *
- ****************************************************************************/
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #include <nuttx/config.h>
- #include <nuttx/rc/lirc_dev.h>
- #include <nuttx/kmalloc.h>
- #include <nuttx/wqueue.h>
- #include <nuttx/clock.h>
- #include <debug.h>
- #include <inttypes.h>
- #include <stdio.h>
- #include <errno.h>
- /****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
- #define DUMMY_MAX_EVENT_SIZE 512
- #define DUMMY_WORK_PERIOD SEC2TICK(1)
- /****************************************************************************
- * Private
- ****************************************************************************/
- /****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
- static int dummy_open(FAR struct lirc_lowerhalf_s *lower);
- static void dummy_close(FAR struct lirc_lowerhalf_s *lower);
- static int dummy_s_tx_mask(FAR struct lirc_lowerhalf_s *lower,
- unsigned int mask);
- static int dummy_s_tx_carrier(FAR struct lirc_lowerhalf_s *lower,
- unsigned int carrier);
- static int dummy_s_tx_duty_cycle(FAR struct lirc_lowerhalf_s *lower,
- unsigned int duty_cycle);
- static int dummy_s_rx_carrier_range(FAR struct lirc_lowerhalf_s *lower,
- unsigned int min, unsigned int max);
- static int dummy_tx_ir(FAR struct lirc_lowerhalf_s *lower,
- FAR unsigned int *txbuf, unsigned int n);
- static int dummy_tx_scancode(FAR struct lirc_lowerhalf_s *lower,
- FAR struct lirc_scancode *txbuf);
- static int dummy_s_learning_mode(FAR struct lirc_lowerhalf_s *lower,
- int enable);
- static int dummy_s_carrier_report(FAR struct lirc_lowerhalf_s *lower,
- int enable);
- static int dummy_s_timeout(FAR struct lirc_lowerhalf_s *lower,
- unsigned int timeout);
- /****************************************************************************
- * Private Types
- ****************************************************************************/
- struct dummy_dev_s
- {
- struct lirc_lowerhalf_s lower;
- struct work_s work;
- unsigned test_sample;
- };
- /****************************************************************************
- * Private Data
- ****************************************************************************/
- static const struct lirc_ops_s g_dummy_ops =
- {
- .driver_type = LIRC_DRIVER_IR_RAW,
- .open = dummy_open,
- .close = dummy_close,
- .s_tx_mask = dummy_s_tx_mask,
- .s_tx_carrier = dummy_s_tx_carrier,
- .s_tx_duty_cycle = dummy_s_tx_duty_cycle,
- .s_rx_carrier_range = dummy_s_rx_carrier_range,
- .tx_ir = dummy_tx_ir,
- .tx_scancode = dummy_tx_scancode,
- .s_learning_mode = dummy_s_learning_mode,
- .s_carrier_report = dummy_s_carrier_report,
- .s_timeout = dummy_s_timeout,
- };
- /****************************************************************************
- * Private Functions
- ****************************************************************************/
- static void dummy_worker(FAR void *arg)
- {
- struct dummy_dev_s *dummy = arg;
- unsigned sample = dummy->test_sample;
- if (sample % 2 == 0)
- {
- sample = LIRC_SPACE(sample);
- }
- else
- {
- sample = LIRC_PULSE(sample);
- }
- lirc_sample_event(&dummy->lower, sample);
- rcinfo("Dummy RC read Raw Data from device:%d\n", sample);
- dummy->test_sample++;
- work_queue(LPWORK, &dummy->work, dummy_worker, dummy,
- DUMMY_WORK_PERIOD);
- }
- static int dummy_open(FAR struct lirc_lowerhalf_s *lower)
- {
- struct dummy_dev_s *dummy = (struct dummy_dev_s *)lower;
- rcinfo("Called %s\n", __func__);
- dummy->test_sample = 0;
- return work_queue(LPWORK, &dummy->work, dummy_worker, dummy,
- DUMMY_WORK_PERIOD);
- }
- static void dummy_close(FAR struct lirc_lowerhalf_s *lower)
- {
- struct dummy_dev_s *dummy = (struct dummy_dev_s *)lower;
- rcinfo("Called %s\n", __func__);
- work_cancel(LPWORK, &dummy->work);
- }
- static int dummy_s_tx_mask(FAR struct lirc_lowerhalf_s *lower,
- unsigned int mask)
- {
- rcinfo("Called %s, mask:%u\n", __func__, mask);
- return 0;
- }
- static int dummy_s_tx_carrier(FAR struct lirc_lowerhalf_s *lower,
- unsigned int carrier)
- {
- rcinfo("Called %s, carrier:%u\n", __func__, carrier);
- return 0;
- }
- static int dummy_s_tx_duty_cycle(FAR struct lirc_lowerhalf_s *lower,
- unsigned int duty_cycle)
- {
- rcinfo("Called %s, duty_cycle:%u\n", __func__, duty_cycle);
- return 0;
- }
- static int dummy_s_rx_carrier_range(FAR struct lirc_lowerhalf_s *lower,
- unsigned int min, unsigned int max)
- {
- rcinfo("Called %s, min:%u, max:%u\n", __func__, min, max);
- return 0;
- }
- static int dummy_tx_ir(FAR struct lirc_lowerhalf_s *lower,
- unsigned *txbuf, unsigned int n)
- {
- rcinfo("Dummy RC send raw data:%d(size:%d) to device\n", *txbuf, n);
- return n;
- }
- static int dummy_tx_scancode(FAR struct lirc_lowerhalf_s *lower,
- FAR struct lirc_scancode *txbuf)
- {
- rcinfo("Dummy RC send scancode data:%" PRIu64 " to device\n",
- txbuf->scancode);
- return 0;
- }
- static int dummy_s_learning_mode(FAR struct lirc_lowerhalf_s *lower,
- int enable)
- {
- rcinfo("Called %s, enable:%d\n", __func__, enable);
- return 0;
- }
- static int dummy_s_carrier_report(FAR struct lirc_lowerhalf_s *lower,
- int enable)
- {
- rcinfo("Called %s, enable:%d\n", __func__, enable);
- return 0;
- }
- static int dummy_s_timeout(FAR struct lirc_lowerhalf_s *lower,
- unsigned int timeout)
- {
- rcinfo("Called %s, timeout:%u\n", __func__, timeout);
- return 0;
- }
- /****************************************************************************
- * Public Functions
- ****************************************************************************/
- int rc_dummy_initialize(int devno)
- {
- struct dummy_dev_s *dummy;
- dummy = kmm_malloc(sizeof(*dummy));
- if (!dummy)
- {
- rcerr("failed to alloc memory for dummy\n");
- return -ENOMEM;
- }
- dummy->lower.ops = &g_dummy_ops;
- dummy->lower.buffer_bytes = DUMMY_MAX_EVENT_SIZE * sizeof(unsigned);
- dummy->work.worker = NULL;
- dummy->test_sample = 0;
- return lirc_register(&dummy->lower, devno);
- }
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