119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: CC0-1.0
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*
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* OpenThread Radio Co-Processor (RCP) Example
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*
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* This example code is in the Public Domain (or CC0-1.0 licensed, at your option.)
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*
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* Unless required by applicable law or agreed to in writing, this
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* software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include "esp_event.h"
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#include "nvs_flash.h"
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#include "esp_openthread.h"
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#include "esp_ot_config.h"
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#include "esp_vfs_eventfd.h"
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#include "driver/uart.h"
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#include "driver/rmt.h"
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#include "led_strip.h"
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#include "esp_err.h"
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#include "driver/rmt_tx.h"
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#if CONFIG_EXTERNAL_COEX_ENABLE
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#include "esp_coexist.h"
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#endif
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#if !SOC_IEEE802154_SUPPORTED
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#error "RCP is only supported for the SoCs which have IEEE 802.15.4 module"
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#endif
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#define TAG "ot_esp_rcp"
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extern void otAppNcpInit(otInstance *instance);
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#if CONFIG_EXTERNAL_COEX_ENABLE
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#if SOC_EXTERNAL_COEX_ADVANCE
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static void ot_external_coexist_init(void)
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{
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esp_external_coex_gpio_set_t gpio_pin = ESP_OPENTHREAD_DEFAULT_EXTERNAL_COEX_CONFIG();
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esp_external_coex_set_work_mode(EXTERNAL_COEX_FOLLOWER_ROLE);
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ESP_ERROR_CHECK(esp_enable_extern_coex_gpio_pin(CONFIG_EXTERNAL_COEX_WIRE_TYPE, gpio_pin));
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}
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#endif // SOC_EXTERNAL_COEX_ADVANCE
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#endif // CONFIG_EXTERNAL_COEX_ENABLE
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static void ot_task_worker(void *aContext)
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{
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esp_openthread_platform_config_t config = {
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.radio_config = ESP_OPENTHREAD_DEFAULT_RADIO_CONFIG(),
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.host_config = ESP_OPENTHREAD_DEFAULT_HOST_CONFIG(),
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.port_config = ESP_OPENTHREAD_DEFAULT_PORT_CONFIG(),
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};
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// Initialize the OpenThread stack
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ESP_ERROR_CHECK(esp_openthread_init(&config));
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#if CONFIG_EXTERNAL_COEX_ENABLE
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ot_external_coexist_init();
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#endif // CONFIG_EXTERNAL_COEX_ENABLE
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// Initialize the OpenThread ncp
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otAppNcpInit(esp_openthread_get_instance());
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// Run the main loop
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esp_openthread_launch_mainloop();
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// Clean up
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esp_vfs_eventfd_unregister();
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vTaskDelete(NULL);
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}
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#define LED_GPIO 18
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#define LED_COUNT 1
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static led_strip_handle_t led_strip = NULL;
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void init_led_strip(void)
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{
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led_strip_config_t strip_config = {
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.strip_gpio_num = LED_GPIO,
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.max_leds = LED_COUNT,
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};
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led_strip_rmt_config_t rmt_cfg = {
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.clk_src = RMT_CLK_SRC_DEFAULT,
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.resolution_hz = 10 * 1000 * 1000, // 10MHz is typical
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.mem_block_symbols = 0, // 0 to use default
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.flags.with_dma = false, // DMA optional
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};
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ESP_ERROR_CHECK(led_strip_new_rmt_device(&strip_config, &rmt_cfg, &led_strip));
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ESP_ERROR_CHECK(led_strip_clear(led_strip));
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ESP_ERROR_CHECK(led_strip_set_pixel(led_strip, 0, 255, 0, 255));
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ESP_ERROR_CHECK(led_strip_refresh(led_strip));
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}
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void app_main(void)
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{
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// Used eventfds:
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// * ot task queue
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// * radio driver
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esp_vfs_eventfd_config_t eventfd_config = {
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.max_fds = 2,
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};
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ESP_ERROR_CHECK(nvs_flash_init());
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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ESP_ERROR_CHECK(esp_vfs_eventfd_register(&eventfd_config));
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xTaskCreate(ot_task_worker, "ot_rcp_main", 3072, xTaskGetCurrentTaskHandle(), 5, NULL);
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}
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