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display_service.c
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display_service.c
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/*
* ESPRESSIF MIT License
*
* Copyright (c) 2019 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
*
* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
* it is free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/queue.h"
#include "freertos/event_groups.h"
#include "board.h"
#include "sdkconfig.h"
#include "audio_mem.h"
#include "display_service.h"
#include "esp_log.h"
#include "audio_error.h"
#include "periph_service.h"
#define DISPLAY_TASK_PRIORITY 5
#define DISPLAY_TASK_STACK_SIZE 6*1024
static const char *TAG = "DISPLAY";
typedef struct display_service_impl {
periph_service_handle_t based;
void *instance;
char *service_name;
void *user_data;
} display_service_impl_t;
display_service_handle_t display_service_create(display_service_config_t *config)
{
AUDIO_NULL_CHECK(TAG, config, return NULL);
display_service_impl_t *disp = audio_calloc(1, sizeof(display_service_impl_t));
AUDIO_MEM_CHECK(TAG, disp, return NULL);
config->based_cfg.user_data = (void *)disp;
disp->based = periph_service_create(&config->based_cfg);
disp->instance = config->instance;
return disp;
}
esp_err_t display_service_set_pattern(void *handle, int display_pattern, int value)
{
AUDIO_NULL_CHECK(TAG, handle, return ESP_FAIL);
display_service_impl_t *dis = (display_service_impl_t *)handle;
esp_err_t ret = periph_service_ioctl(dis->based, (void *)dis->instance, display_pattern, value);
return ret;
}
esp_err_t display_destroy(display_service_handle_t handle)
{
AUDIO_NULL_CHECK(TAG, handle, return ESP_FAIL);
periph_service_destroy(handle->based);
audio_free(handle);
return ESP_OK;
}