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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/examples/iot/coap/ipv6/server_observe/main.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/examples/iot/coap/ipv6/server_observe/main.c | 1099 |
1 files changed, 1099 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/iot/coap/ipv6/server_observe/main.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/iot/coap/ipv6/server_observe/main.c new file mode 100644 index 0000000..9d67257 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/iot/coap/ipv6/server_observe/main.c @@ -0,0 +1,1099 @@ +/** + * Copyright (c) 2014 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * 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, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, 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. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS 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. + * + */ +/** @file + * + * @defgroup ble_sdk_app_template_main main.c + * @{ + * @ingroup ble_sdk_app_template + * @brief Template project main file. + * + * This file contains a template for creating a new application. It has the code necessary to wakeup + * from button, advertise, get a connection restart advertising on disconnect and if no new + * connection created go back to system-off mode. + * It can easily be used as a starting point for creating a new application, the comments identified + * with 'YOUR_JOB' indicates where and how you can customize. + */ + +#include <stdbool.h> +#include <stdint.h> +#include "boards.h" +#include "nordic_common.h" +#include "nrf_delay.h" +#include "nrf_sdm.h" +#include "mem_manager.h" +#include "app_scheduler.h" +#include "app_timer.h" +#include "app_button.h" +#include "iot_defines.h" +#include "iot_common.h" +#include "ipv6_api.h" +#include "icmp6_api.h" +#include "udp_api.h" +#include "iot_timer.h" +#include "coap_api.h" +#include "coap_observe_api.h" +#include "ipv6_medium.h" +#include "sdk_config.h" + +#include "nrf_log.h" +#include "nrf_log_ctrl.h" +#include "nrf_log_default_backends.h" + +#define LOCAL_PORT_NUM 5683 /**< CoAP default port number. */ + +#define SCHED_MAX_EVENT_DATA_SIZE 16 /**< Maximum size of scheduler events. */ +#define SCHED_QUEUE_SIZE 192 /**< Maximum number of events in the scheduler queue. */ + +#define LED_ONE BSP_LED_0_MASK +#define LED_TWO BSP_LED_1_MASK +#define LED_THREE BSP_LED_2_MASK +#define LED_FOUR BSP_LED_3_MASK + +#define BUTTON_ONE BSP_BUTTON_0 +#ifdef COMMISSIONING_ENABLED +#define ERASE_BUTTON_PIN_NO BSP_BUTTON_3 /**< Button used to erase commissioning settings. */ +#endif // COMMISSIONING_ENABLED + +#define COMMAND_OFF 0x30 +#define COMMAND_ON 0x31 +#define COMMAND_TOGGLE 0x32 + +#define BUTTON_DETECTION_DELAY APP_TIMER_TICKS(50) /**< Button debounce interval. */ + +#define LED_BLINK_INTERVAL_MS 300 /**< LED blinking interval. */ +#define COAP_TICK_INTERVAL_MS 1000 /**< Interval between periodic callbacks to CoAP module. */ + +#define APP_RTR_SOLICITATION_DELAY 500 /**< Time before host sends an initial solicitation in ms. */ + +#define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ +#define MAX_LENGTH_FILENAME 128 /**< Max length of filename to copy for the debug error handler. */ + +#define OBSERVE_NOTIFY_DELTA_MAX_AGE 2 /**< Number of seconds prior to a max-age timeout which an updated state of the observed value should be sent to the observers. */ + + +#define APP_ENABLE_LOGS 1 /**< Enable logs in the application. */ + +#if (APP_ENABLE_LOGS == 1) + +#define APPL_LOG NRF_LOG_INFO +#define APPL_DUMP NRF_LOG_RAW_HEXDUMP_INFO +#define APPL_ADDR IPV6_ADDRESS_LOG + +#else // APP_ENABLE_LOGS + +#define APPL_LOG(...) +#define APPL_DUMP(...) +#define APPL_ADDR(...) + +#endif // APP_ENABLE_LOGS + +typedef enum +{ + LEDS_INACTIVE = 0, + LEDS_CONNECTABLE_MODE, + LEDS_IPV6_IF_DOWN, + LEDS_IPV6_IF_UP, +} display_state_t; + +static ipv6_medium_instance_t m_ipv6_medium; +eui64_t eui64_local_iid; /**< Local EUI64 value that is used as the IID for*/ +static const ipv6_addr_t local_routers_multicast_addr = {{0xFF, 0x02, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x02}}; /**< Multi-cast address of all routers on the local network segment. */ + +APP_TIMER_DEF(m_iot_timer_tick_src_id); /**< App timer instance used to update the IoT timer wall clock. */ +static uint8_t m_well_known_core[100]; +static display_state_t m_display_state = LEDS_INACTIVE; /**< Board LED display state. */ +static const char m_lights_name[] = "lights"; +static const char m_led3_name[] = "led3"; + +static coap_resource_t m_led3; +static uint32_t m_observer_sequence_num = 0; + +static void app_coap_time_tick(iot_timer_time_in_ms_t); + +#ifdef COMMISSIONING_ENABLED +static bool m_power_off_on_failure = false; +static bool m_identity_mode_active; +#endif // COMMISSIONING_ENABLED + + +/**@brief Callback function for asserts in the SoftDevice. + * + * @details This function will be called in case of an assert in the SoftDevice. + * + * @warning This handler is an example only and does not fit a final product. You need to analyze + * how your product is supposed to react in case of Assert. + * @warning On assert from the SoftDevice, the system can only recover on reset. + * + * @param[in] line_num Line number of the failing ASSERT call. + * @param[in] file_name File name of the failing ASSERT call. + */ +void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name) +{ + app_error_handler(DEAD_BEEF, line_num, p_file_name); +} + + +/**@brief Function for the Event Scheduler initialization. + */ +static void scheduler_init(void) +{ + APP_SCHED_INIT(SCHED_MAX_EVENT_DATA_SIZE, SCHED_QUEUE_SIZE); +} + + +/**@brief Function for the LEDs initialization. + * + * @details Initializes all LEDs used by this application. + */ +static void leds_init(void) +{ + // Configure LEDs. + LEDS_CONFIGURE((LED_ONE | LED_TWO | LED_THREE | LED_FOUR)); + + // Turn LEDs off. + LEDS_OFF((LED_ONE | LED_TWO | LED_THREE | LED_FOUR)); +} + + +/**@brief Timer callback used for controlling board LEDs to represent application state. + * + */ +static void blink_timeout_handler(iot_timer_time_in_ms_t wall_clock_value) +{ + UNUSED_PARAMETER(wall_clock_value); + +#ifdef COMMISSIONING_ENABLED + static bool id_mode_previously_enabled; +#endif // COMMISSIONING_ENABLED + + switch (m_display_state) + { + case LEDS_INACTIVE: + { + LEDS_OFF((LED_ONE | LED_TWO)); + break; + } + case LEDS_CONNECTABLE_MODE: + { + LEDS_INVERT(LED_ONE); + LEDS_OFF(LED_TWO); + break; + } + case LEDS_IPV6_IF_DOWN: + { + LEDS_ON(LED_ONE); + LEDS_INVERT(LED_TWO); + break; + } + case LEDS_IPV6_IF_UP: + { + LEDS_OFF(LED_ONE); + LEDS_ON(LED_TWO); + break; + } + default: + { + break; + } + } + +#ifdef COMMISSIONING_ENABLED + if ((id_mode_previously_enabled == false) && (m_identity_mode_active == true)) + { + LEDS_OFF(LED_THREE | LED_FOUR); + } + + if ((id_mode_previously_enabled == true) && (m_identity_mode_active == true)) + { + LEDS_INVERT(LED_THREE | LED_FOUR); + } + + if ((id_mode_previously_enabled == true) && (m_identity_mode_active == false)) + { + LEDS_OFF(LED_THREE | LED_FOUR); + } + + id_mode_previously_enabled = m_identity_mode_active; +#endif // COMMISSIONING_ENABLED +} + + +/**@brief Function for updating the wall clock of the IoT Timer module. + */ +static void iot_timer_tick_callback(void * p_context) +{ + UNUSED_VARIABLE(p_context); + uint32_t err_code = iot_timer_update(); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for the Timer initialization. + * + * @details Initializes the timer module. + */ +static void timers_init(void) +{ + uint32_t err_code; + + // Initialize timer module. + APP_ERROR_CHECK(app_timer_init()); + + // Create a sys timer. + err_code = app_timer_create(&m_iot_timer_tick_src_id, + APP_TIMER_MODE_REPEATED, + iot_timer_tick_callback); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for initializing the IoT Timer. */ +static void iot_timer_init(void) +{ + uint32_t err_code; + + static const iot_timer_client_t list_of_clients[] = + { + {blink_timeout_handler, LED_BLINK_INTERVAL_MS}, + {app_coap_time_tick, COAP_TICK_INTERVAL_MS}, +#ifdef COMMISSIONING_ENABLED + {commissioning_time_tick, SEC_TO_MILLISEC(COMMISSIONING_TICK_INTERVAL_SEC)} +#endif // COMMISSIONING_ENABLED + }; + + // The list of IoT Timer clients is declared as a constant. + static const iot_timer_clients_list_t iot_timer_clients = + { + (sizeof(list_of_clients) / sizeof(iot_timer_client_t)), + &(list_of_clients[0]), + }; + + // Passing the list of clients to the IoT Timer module. + err_code = iot_timer_client_list_set(&iot_timer_clients); + APP_ERROR_CHECK(err_code); + + // Starting the app timer instance that is the tick source for the IoT Timer. + err_code = app_timer_start(m_iot_timer_tick_src_id, + APP_TIMER_TICKS(IOT_TIMER_RESOLUTION_IN_MS), + NULL); + APP_ERROR_CHECK(err_code); +} + + +static void ip_app_handler(iot_interface_t * p_interface, ipv6_event_t * p_event) +{ + uint32_t err_code; + ipv6_addr_t src_addr; + + APPL_LOG("Got IP Application Handler Event on interface 0x%p", p_interface); + + switch (p_event->event_id) + { + case IPV6_EVT_INTERFACE_ADD: +#ifdef COMMISSIONING_ENABLED + commissioning_joining_mode_timer_ctrl(JOINING_MODE_TIMER_STOP_RESET); +#endif // COMMISSIONING_ENABLED + APPL_LOG("New interface added!"); + m_display_state = LEDS_IPV6_IF_UP; + + APPL_LOG("Sending Router Solicitation to all routers!"); + + // Create Link Local addresses + IPV6_CREATE_LINK_LOCAL_FROM_EUI64(&src_addr, p_interface->local_addr.identifier); + + // Delay first solicitation due to possible restriction on other side. + nrf_delay_ms(APP_RTR_SOLICITATION_DELAY); + + // Send Router Solicitation to all routers. + err_code = icmp6_rs_send(p_interface, + &src_addr, + &local_routers_multicast_addr); + APP_ERROR_CHECK(err_code); + break; + + case IPV6_EVT_INTERFACE_DELETE: +#ifdef COMMISSIONING_ENABLED + commissioning_joining_mode_timer_ctrl(JOINING_MODE_TIMER_START); +#endif // COMMISSIONING_ENABLED + APPL_LOG("Interface removed!"); + m_display_state = LEDS_IPV6_IF_DOWN; + break; + + case IPV6_EVT_INTERFACE_RX_DATA: + APPL_LOG("Got unsupported protocol data!"); + break; + + default: + //Unknown event. Should not happen. + break; + } +} + + +static void led_value_get(coap_content_type_t content_type, char ** str) +{ + if (content_type == COAP_CT_APP_JSON) + { + static char response_str_true[15] = {"{\"led3\": True}\0"}; + static char response_str_false[16] = {"{\"led3\": False}\0"}; + if ((bool)LED_IS_ON(LED_THREE) == true) + { + *str = response_str_true; + } + else + { + *str = response_str_false; + } + } + // For all other use plain text + else + { + static char response_str[2]; + memset(response_str, '\0', sizeof(response_str)); + sprintf(response_str, "%d", (bool)LED_IS_ON(LED_THREE)); + *str = response_str; + } +} + + +static void observer_con_message_callback(uint32_t status, void * arg, coap_message_t * p_response) +{ + uint32_t err_code; + switch (status) + { + case COAP_TRANSMISSION_RESET_BY_PEER: + { + } + // Fall through. + case COAP_TRANSMISSION_TIMEOUT: + { + coap_observer_t * p_observer = (coap_observer_t *)arg; + + // Remove observer from its list. + uint32_t handle; + err_code = coap_observe_server_search(&handle, &p_observer->remote, p_observer->p_resource_of_interest); + APP_ERROR_CHECK(err_code); + + err_code = coap_observe_server_unregister(handle); + APP_ERROR_CHECK(err_code); + } + break; + + default: + { + // The CON message went find. + } + break; + } +} + + +static void notify_all_led3_subscribers(coap_msg_type_t type) +{ + // Fetch all observers which are subscribed to this resource. + // Then send an update value too each observer. + coap_observer_t * p_observer = NULL; + while (coap_observe_server_next_get(&p_observer, p_observer, &m_led3) == NRF_SUCCESS) + { + // Generate a message. + coap_message_conf_t response_config; + memset(&response_config, 0x00, sizeof(coap_message_conf_t)); + + response_config.type = type; + response_config.code = COAP_CODE_205_CONTENT; + response_config.response_callback = observer_con_message_callback; + + // Copy token. + memcpy(&response_config.token[0], &p_observer->token[0], p_observer->token_len); + // Copy token length. + response_config.token_len = p_observer->token_len; + + // Set local port number to use. + response_config.port.port_number = LOCAL_PORT_NUM; + + coap_message_t * p_response; + uint32_t err_code = coap_message_new(&p_response, &response_config); + APP_ERROR_CHECK(err_code); + + // Set custom misc. argument. + p_response->p_arg = p_observer; + + err_code = coap_message_remote_addr_set(p_response, &p_observer->remote); + APP_ERROR_CHECK(err_code); + + err_code = coap_message_opt_uint_add(p_response, COAP_OPT_OBSERVE, m_observer_sequence_num++); + APP_ERROR_CHECK(err_code); + + err_code = coap_message_opt_uint_add(p_response, COAP_OPT_MAX_AGE, m_led3.expire_time); + APP_ERROR_CHECK(err_code); + + char * response_str; + led_value_get(p_observer->ct, &response_str); + err_code = coap_message_payload_set(p_response, response_str, strlen(response_str)); + APP_ERROR_CHECK(err_code); + + uint32_t msg_handle; + err_code = coap_message_send(&msg_handle, p_response); + APP_ERROR_CHECK(err_code); + + err_code = coap_message_delete(p_response); + APP_ERROR_CHECK(err_code); + } +} + + +void well_known_core_callback(coap_resource_t * p_resource, coap_message_t * p_request) +{ + coap_message_conf_t response_config; + memset(&response_config, 0x00, sizeof(coap_message_conf_t)); + + if (p_request->header.type == COAP_TYPE_NON) + { + response_config.type = COAP_TYPE_NON; + } + else if (p_request->header.type == COAP_TYPE_CON) + { + response_config.type = COAP_TYPE_ACK; + } + + // PIGGY BACKED RESPONSE + response_config.code = COAP_CODE_205_CONTENT; + // Copy message ID. + response_config.id = p_request->header.id; + // Set local port number to use. + response_config.port.port_number = LOCAL_PORT_NUM; + // Copy token. + memcpy(&response_config.token[0], &p_request->token[0], p_request->header.token_len); + // Copy token length. + response_config.token_len = p_request->header.token_len; + + coap_message_t * p_response; + uint32_t err_code = coap_message_new(&p_response, &response_config); + APP_ERROR_CHECK(err_code); + + err_code = coap_message_remote_addr_set(p_response, &p_request->remote); + APP_ERROR_CHECK(err_code); + + memcpy(&p_response->remote, &p_request->remote, sizeof(coap_remote_t)); + + err_code = coap_message_opt_uint_add(p_response, COAP_OPT_CONTENT_FORMAT, + COAP_CT_APP_LINK_FORMAT); + APP_ERROR_CHECK(err_code); + + err_code = coap_message_payload_set(p_response, m_well_known_core, + strlen((char *)m_well_known_core)); + APP_ERROR_CHECK(err_code); + + uint32_t msg_handle; + err_code = coap_message_send(&msg_handle, p_response); + APP_ERROR_CHECK(err_code); + + err_code = coap_message_delete(p_response); + APP_ERROR_CHECK(err_code); +} + + +static void led3_callback(coap_resource_t * p_resource, coap_message_t * p_request) +{ + coap_message_conf_t response_config; + memset(&response_config, 0x00, sizeof(coap_message_conf_t)); + + if (p_request->header.type == COAP_TYPE_NON) + { + response_config.type = COAP_TYPE_NON; + } + else if (p_request->header.type == COAP_TYPE_CON) + { + response_config.type = COAP_TYPE_ACK; + } + + // PIGGY BACKED RESPONSE + response_config.code = COAP_CODE_405_METHOD_NOT_ALLOWED; + // Copy message ID. + response_config.id = p_request->header.id; + // Set local port number to use. + response_config.port.port_number = LOCAL_PORT_NUM; + // Copy token. + memcpy(&response_config.token[0], &p_request->token[0], p_request->header.token_len); + // Copy token length. + response_config.token_len = p_request->header.token_len; + + coap_message_t * p_response; + uint32_t err_code = coap_message_new(&p_response, &response_config); + APP_ERROR_CHECK(err_code); + + err_code = coap_message_remote_addr_set(p_response, &p_request->remote); + APP_ERROR_CHECK(err_code); + + // Handle request. + switch (p_request->header.code) + { + case COAP_CODE_GET: + { + p_response->header.code = COAP_CODE_205_CONTENT; + + // Select the first common content type between the resource and the CoAP client. + coap_content_type_t ct_to_use; + err_code = coap_message_ct_match_select(&ct_to_use, p_request, p_resource); + if (err_code != NRF_SUCCESS) + { + // None of the accepted content formats are supported in this resource endpoint. + p_response->header.code = COAP_CODE_415_UNSUPPORTED_CONTENT_FORMAT; + p_response->header.type = COAP_TYPE_RST; + } + else + { + if (coap_message_opt_present(p_request, COAP_OPT_OBSERVE) == NRF_SUCCESS) + { + // Locate the option and check the value. + uint32_t observe_option = 0; + + uint8_t index; + for (index = 0; index < p_request->options_count; index++) + { + if (p_request->options[index].number == COAP_OPT_OBSERVE) + { + err_code = coap_opt_uint_decode(&observe_option, + p_request->options[index].length, + p_request->options[index].p_data); + if (err_code != NRF_SUCCESS) + { + APP_ERROR_CHECK(err_code); + } + break; + } + } + + if (observe_option == 0) + { + // Register observer, and if successful, add the Observe option in the reply. + uint32_t handle; + coap_observer_t observer; + + // Set the token length. + observer.token_len = p_request->header.token_len; + // Set the resource of interest. + observer.p_resource_of_interest = p_resource; + // Set the remote. + memcpy(&observer.remote, &p_request->remote, sizeof(coap_remote_t)); + // Set the token. + memcpy(observer.token, p_request->token, observer.token_len); + + // Set the content format to be used for subsequent notifications. + observer.ct = ct_to_use; + + err_code = coap_observe_server_register(&handle, &observer); + if (err_code == NRF_SUCCESS) + { + err_code = coap_message_opt_uint_add(p_response, COAP_OPT_OBSERVE, m_observer_sequence_num++); + APP_ERROR_CHECK(err_code); + + err_code = coap_message_opt_uint_add(p_response, COAP_OPT_MAX_AGE, p_resource->expire_time); + APP_ERROR_CHECK(err_code); + } + // If the registration of the observer could not be done, handle this as a normal message. + } + else + { + uint32_t handle; + err_code = coap_observe_server_search(&handle, &p_request->remote, p_resource); + if (err_code == NRF_SUCCESS) + { + err_code = coap_observe_server_unregister(handle); + APP_ERROR_CHECK(err_code); + } + } + } + + // Set response payload to the actual LED state. + char * response_str; + led_value_get(ct_to_use, &response_str); + err_code = coap_message_payload_set(p_response, response_str, strlen(response_str)); + APP_ERROR_CHECK(err_code); + } + break; + } + + case COAP_CODE_PUT: + { + p_response->header.code = COAP_CODE_204_CHANGED; + + // Change LED state according to request. + switch (p_request->p_payload[0]) + { + case COMMAND_ON: + { + LEDS_ON(LED_THREE); + break; + } + case COMMAND_OFF: + { + LEDS_OFF(LED_THREE); + break; + } + case COMMAND_TOGGLE: + { + LEDS_INVERT(LED_THREE); + break; + } + default: + { + p_response->header.code = COAP_CODE_400_BAD_REQUEST; + break; + } + } + break; + } + + default: + { + p_response->header.code = COAP_CODE_405_METHOD_NOT_ALLOWED; + break; + } + } + + uint32_t msg_handle; + err_code = coap_message_send(&msg_handle, p_response); + APP_ERROR_CHECK(err_code); + + err_code = coap_message_delete(p_response); + APP_ERROR_CHECK(err_code); + + if (p_request->header.code == COAP_CODE_PUT) + { + notify_all_led3_subscribers(COAP_TYPE_NON); + } +} + + +static void coap_endpoints_init(void) +{ + uint32_t err_code; + + static coap_resource_t root; + err_code = coap_resource_create(&root, "/"); + APP_ERROR_CHECK(err_code); + + static coap_resource_t well_known; + err_code = coap_resource_create(&well_known, ".well-known"); + APP_ERROR_CHECK(err_code); + err_code = coap_resource_child_add(&root, &well_known); + APP_ERROR_CHECK(err_code); + + static coap_resource_t core; + err_code = coap_resource_create(&core, "core"); + APP_ERROR_CHECK(err_code); + + core.permission = COAP_PERM_GET; + core.callback = well_known_core_callback; + + err_code = coap_resource_child_add(&well_known, &core); + APP_ERROR_CHECK(err_code); + + static coap_resource_t lights; + err_code = coap_resource_create(&lights, m_lights_name); + APP_ERROR_CHECK(err_code); + + err_code = coap_resource_child_add(&root, &lights); + APP_ERROR_CHECK(err_code); + + err_code = coap_resource_create(&m_led3, m_led3_name); + APP_ERROR_CHECK(err_code); + + m_led3.permission = (COAP_PERM_GET | COAP_PERM_PUT | COAP_PERM_OBSERVE); + m_led3.callback = led3_callback; + m_led3.ct_support_mask = COAP_CT_MASK_APP_JSON | COAP_CT_MASK_PLAIN_TEXT; + m_led3.max_age = 15; + + err_code = coap_resource_child_add(&lights, &m_led3); + APP_ERROR_CHECK(err_code); + + uint16_t size = sizeof(m_well_known_core); + err_code = coap_resource_well_known_generate(m_well_known_core, &size); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for handling button events. + * + * @param[in] pin_no The pin number of the button pressed. + * @param[in] button_action The action performed on button. + */ +static void button_event_handler(uint8_t pin_no, uint8_t button_action) +{ +#ifdef COMMISSIONING_ENABLED + if ((button_action == APP_BUTTON_PUSH) && (pin_no == ERASE_BUTTON_PIN_NO)) + { + APPL_LOG("Erasing all commissioning settings from persistent storage..."); + commissioning_settings_clear(); + return; + } +#endif // COMMISSIONING_ENABLED + + if (button_action == APP_BUTTON_PUSH) + { + if (pin_no == BUTTON_ONE) + { + LEDS_INVERT(LED_THREE); + notify_all_led3_subscribers(COAP_TYPE_NON); + } + } +} + + +/**@brief Function for the Button initialization. + * + * @details Initializes all Buttons used by this application. + */ +static void buttons_init(void) +{ + uint32_t err_code; + + static app_button_cfg_t buttons[] = + { + {BUTTON_ONE, false, BUTTON_PULL, button_event_handler}, +#ifdef COMMISSIONING_ENABLED + {ERASE_BUTTON_PIN_NO, false, BUTTON_PULL, button_event_handler} +#endif // COMMISSIONING_ENABLED + }; + + err_code = app_button_init(buttons, ARRAY_SIZE(buttons), BUTTON_DETECTION_DELAY); + APP_ERROR_CHECK(err_code); + + err_code = app_button_enable(); + APP_ERROR_CHECK(err_code); +} + + +/**@brief ICMP6 module event handler. + * + * @details Callback registered with the ICMP6 module to receive asynchronous events from + * the module, if the ICMP6_ENABLE_ALL_MESSAGES_TO_APPLICATION constant is not zero + * or the ICMP6_ENABLE_ND6_MESSAGES_TO_APPLICATION constant is not zero. + */ +uint32_t icmp6_handler(iot_interface_t * p_interface, + ipv6_header_t * p_ip_header, + icmp6_header_t * p_icmp_header, + uint32_t process_result, + iot_pbuffer_t * p_rx_packet) +{ + APPL_LOG("Got ICMP6 Application Handler Event on interface 0x%p", p_interface); + + APPL_LOG("Source IPv6 Address: "); + APPL_ADDR(p_ip_header->srcaddr); + APPL_LOG("Destination IPv6 Address: "); + APPL_ADDR(p_ip_header->destaddr); + APPL_LOG("Process result = 0x%08lx", process_result); + + switch (p_icmp_header->type) + { + case ICMP6_TYPE_DESTINATION_UNREACHABLE: + APPL_LOG("ICMP6 Message Type = Destination Unreachable Error"); + break; + case ICMP6_TYPE_PACKET_TOO_LONG: + APPL_LOG("ICMP6 Message Type = Packet Too Long Error"); + break; + case ICMP6_TYPE_TIME_EXCEED: + APPL_LOG("ICMP6 Message Type = Time Exceed Error"); + break; + case ICMP6_TYPE_PARAMETER_PROBLEM: + APPL_LOG("ICMP6 Message Type = Parameter Problem Error"); + break; + case ICMP6_TYPE_ECHO_REQUEST: + APPL_LOG("ICMP6 Message Type = Echo Request"); + break; + case ICMP6_TYPE_ECHO_REPLY: + APPL_LOG("ICMP6 Message Type = Echo Reply"); + break; + case ICMP6_TYPE_ROUTER_SOLICITATION: + APPL_LOG("ICMP6 Message Type = Router Solicitation"); + break; + case ICMP6_TYPE_ROUTER_ADVERTISEMENT: + APPL_LOG("ICMP6 Message Type = Router Advertisement"); + break; + case ICMP6_TYPE_NEIGHBOR_SOLICITATION: + APPL_LOG("ICMP6 Message Type = Neighbor Solicitation"); + break; + case ICMP6_TYPE_NEIGHBOR_ADVERTISEMENT: + APPL_LOG("ICMP6 Message Type = Neighbor Advertisement"); + break; + default: + break; + } + + return NRF_SUCCESS; +} + + +/**@brief Function for initializing IP stack. + * + * @details Initialize the IP Stack. + */ +static void ip_stack_init(void) +{ + uint32_t err_code; + ipv6_init_t init_param; + + err_code = ipv6_medium_eui64_get(m_ipv6_medium.ipv6_medium_instance_id, + &eui64_local_iid); + APP_ERROR_CHECK(err_code); + + init_param.p_eui64 = &eui64_local_iid; + init_param.event_handler = ip_app_handler; + + err_code = ipv6_init(&init_param); + APP_ERROR_CHECK(err_code); + + err_code = icmp6_receive_register(icmp6_handler); + APP_ERROR_CHECK(err_code); +} + + +/**@brief Function for catering CoAP module with periodic time ticks. +*/ +static void app_coap_time_tick(iot_timer_time_in_ms_t wall_clock_value) +{ + // Pass a tick to coap in order to re-transmit any pending messages. + (void)coap_time_tick(); + + // Check if any of the observers needs an update. + static uint32_t msg_count = 0; + + if (m_led3.expire_time <= (0 + OBSERVE_NOTIFY_DELTA_MAX_AGE)) + { + m_led3.expire_time = m_led3.max_age; + + if (msg_count % 4 == 0) + { + notify_all_led3_subscribers(COAP_TYPE_CON); + } + else + { + notify_all_led3_subscribers(COAP_TYPE_NON); + } + + msg_count++; + } + else + { + m_led3.expire_time--; + } +} + + +static void coap_error_handler(uint32_t error_code, coap_message_t * p_message) +{ + // If any response fill the p_response with a appropriate response message. +} + + +/**@brief Function for starting connectable mode. + */ +static void connectable_mode_enter(void) +{ + uint32_t err_code = ipv6_medium_connectable_mode_enter(m_ipv6_medium.ipv6_medium_instance_id); + APP_ERROR_CHECK(err_code); + + APPL_LOG("Physical layer in connectable mode."); + m_display_state = LEDS_CONNECTABLE_MODE; +} + + +static void on_ipv6_medium_evt(ipv6_medium_evt_t * p_ipv6_medium_evt) +{ + switch (p_ipv6_medium_evt->ipv6_medium_evt_id) + { + case IPV6_MEDIUM_EVT_CONN_UP: + { + APPL_LOG("Physical layer: connected."); + m_display_state = LEDS_IPV6_IF_DOWN; + break; + } + case IPV6_MEDIUM_EVT_CONN_DOWN: + { + APPL_LOG("Physical layer: disconnected."); + connectable_mode_enter(); + break; + } + default: + { + break; + } + } +} + + +static void on_ipv6_medium_error(ipv6_medium_error_t * p_ipv6_medium_error) +{ + // Do something. +} + + +#ifdef COMMISSIONING_ENABLED +void commissioning_id_mode_cb(mode_control_cmd_t control_command) +{ + switch (control_command) + { + case CMD_IDENTITY_MODE_ENTER: + { + LEDS_OFF(LED_THREE | LED_FOUR); + m_identity_mode_active = true; + + break; + } + case CMD_IDENTITY_MODE_EXIT: + { + m_identity_mode_active = false; + LEDS_OFF((LED_THREE | LED_FOUR)); + + break; + } + default: + { + + break; + } + } +} + + +void commissioning_power_off_cb(bool power_off_on_failure) +{ + m_power_off_on_failure = power_off_on_failure; + + APPL_LOG("Commissioning: do power_off on failure: %s.", + m_power_off_on_failure ? "true" : "false"); +} +#endif // COMMISSIONING_ENABLED + + +/**@brief Function for initializing the nrf log module. + */ +static void log_init(void) +{ + ret_code_t err_code = NRF_LOG_INIT(NULL); + APP_ERROR_CHECK(err_code); + + NRF_LOG_DEFAULT_BACKENDS_INIT(); +} + + +/**@brief Function for application main entry. + */ +int main(void) +{ + uint32_t err_code; + + // Initialize. + log_init(); + scheduler_init(); + leds_init(); + timers_init(); + buttons_init(); + + static ipv6_medium_init_params_t ipv6_medium_init_params; + memset(&ipv6_medium_init_params, 0x00, sizeof(ipv6_medium_init_params)); + ipv6_medium_init_params.ipv6_medium_evt_handler = on_ipv6_medium_evt; + ipv6_medium_init_params.ipv6_medium_error_handler = on_ipv6_medium_error; +#ifdef COMMISSIONING_ENABLED + ipv6_medium_init_params.commissioning_id_mode_cb = commissioning_id_mode_cb; + ipv6_medium_init_params.commissioning_power_off_cb = commissioning_power_off_cb; +#endif // COMMISSIONING_ENABLED + + err_code = ipv6_medium_init(&ipv6_medium_init_params, + IPV6_MEDIUM_ID_BLE, + &m_ipv6_medium); + APP_ERROR_CHECK(err_code); + + eui48_t ipv6_medium_eui48; + err_code = ipv6_medium_eui48_get(m_ipv6_medium.ipv6_medium_instance_id, + &ipv6_medium_eui48); + + ipv6_medium_eui48.identifier[EUI_48_SIZE - 1] = 0x00; + + err_code = ipv6_medium_eui48_set(m_ipv6_medium.ipv6_medium_instance_id, + &ipv6_medium_eui48); + APP_ERROR_CHECK(err_code); + + ip_stack_init(); + + coap_port_t local_port_list[COAP_PORT_COUNT] = + { + {.port_number = LOCAL_PORT_NUM} + }; + + coap_transport_init_t port_list; + port_list.p_port_table = &local_port_list[0]; + + err_code = coap_init(24, &port_list); + APP_ERROR_CHECK(err_code); + + err_code = coap_error_handler_register(coap_error_handler); + APP_ERROR_CHECK(err_code); + + coap_endpoints_init(); + + iot_timer_init(); + + APPL_LOG("Application started."); + + // Start execution. + connectable_mode_enter(); + + // Enter main loop. + for (;;) + { + app_sched_execute(); + + if (NRF_LOG_PROCESS() == false) + { + // Sleep waiting for an application event. + err_code = sd_app_evt_wait(); + APP_ERROR_CHECK(err_code); + } + } +} + +/** + * @} + */ |