| /* |
| * Copyright (c) 2022 Nordic Semiconductor ASA |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/kernel.h> |
| #include <zephyr/device.h> |
| #include <zephyr/ipc/ipc_service.h> |
| #include <zephyr/logging/log.h> |
| LOG_MODULE_DECLARE(app); |
| |
| #define STACKSIZE 4096 |
| #define PRIORITY K_PRIO_PREEMPT(2) |
| |
| K_THREAD_STACK_DEFINE(ipc1_stack, STACKSIZE); |
| static volatile uint8_t ipc1_received_data; |
| static K_SEM_DEFINE(ipc1_bound_sem, 0, 1); |
| static K_SEM_DEFINE(ipc1_data_sem, 0, 1); |
| |
| /* |
| * ==> THREAD 1 (IPC instance 1) <== |
| */ |
| |
| static void ipc1_ept_bound(void *priv) |
| { |
| k_sem_give(&ipc1_bound_sem); |
| } |
| |
| static void ipc1_ept_recv(const void *data, size_t len, void *priv) |
| { |
| ipc1_received_data = *((uint8_t *) data); |
| |
| k_sem_give(&ipc1_data_sem); |
| } |
| |
| static struct ipc_ept_cfg ipc1_ept_cfg = { |
| .name = "ipc1", |
| .cb = { |
| .bound = ipc1_ept_bound, |
| .received = ipc1_ept_recv, |
| }, |
| }; |
| |
| static void ipc1_entry(void *dummy0, void *dummy1, void *dummy2) |
| { |
| ARG_UNUSED(dummy0); |
| ARG_UNUSED(dummy1); |
| ARG_UNUSED(dummy2); |
| |
| const struct device *ipc1_instance; |
| unsigned char message = 0; |
| struct ipc_ept ipc1_ept; |
| int ret; |
| |
| LOG_INF("IPC-service HOST [INST 1] demo started"); |
| |
| k_sleep(K_MSEC(1000)); |
| |
| ipc1_instance = DEVICE_DT_GET(DT_NODELABEL(ipc1)); |
| |
| ret = ipc_service_open_instance(ipc1_instance); |
| if (ret < 0 && ret != -EALREADY) { |
| LOG_ERR("ipc_service_open_instance() failure"); |
| return; |
| } |
| |
| LOG_INF("ipc open %d", ret); |
| ret = ipc_service_register_endpoint(ipc1_instance, &ipc1_ept, &ipc1_ept_cfg); |
| if (ret < 0) { |
| LOG_ERR("ipc_service_register_endpoint() failure"); |
| return; |
| } |
| |
| k_sem_take(&ipc1_bound_sem, K_FOREVER); |
| |
| while (message < 100) { |
| ret = ipc_service_send(&ipc1_ept, &message, sizeof(message)); |
| if (ret < 0) { |
| LOG_ERR("send_message(%d) failed with ret %d", message, ret); |
| break; |
| } |
| |
| k_sem_take(&ipc1_data_sem, K_FOREVER); |
| message = ipc1_received_data; |
| |
| LOG_INF("HOST [1]: %d", message); |
| message++; |
| } |
| |
| LOG_INF("IPC-service HOST [INST 1] demo ended."); |
| } |
| |
| K_THREAD_DEFINE(ipc1_thread_id, STACKSIZE, ipc1_entry, NULL, NULL, NULL, PRIORITY, 0, 0); |