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| 1 | +/* |
| 2 | + * Copyright (c) 2021 Nordic Semiconductor ASA |
| 3 | + * |
| 4 | + * SPDX-License-Identifier: Apache-2.0 |
| 5 | + */ |
| 6 | + |
| 7 | +#include <zephyr.h> |
| 8 | +#include <drivers/ipm.h> |
| 9 | +#include <sys/printk.h> |
| 10 | +#include <device.h> |
| 11 | +#include <stdio.h> |
| 12 | +#include <stdlib.h> |
| 13 | +#include <string.h> |
| 14 | + |
| 15 | +#include <ipc/ipc_service.h> |
| 16 | + |
| 17 | +#define APP_TASK_STACK_SIZE 1024 |
| 18 | + |
| 19 | +K_THREAD_STACK_DEFINE(thread_stack_1, APP_TASK_STACK_SIZE); |
| 20 | +K_THREAD_STACK_DEFINE(thread_stack_2, APP_TASK_STACK_SIZE); |
| 21 | + |
| 22 | +static struct k_thread thread_data_1; |
| 23 | +static struct k_thread thread_data_2; |
| 24 | + |
| 25 | +static volatile uint8_t received_data_1; |
| 26 | +static volatile uint8_t received_data_2; |
| 27 | + |
| 28 | +static K_SEM_DEFINE(bound_ept1_sem, 0, 1); |
| 29 | +static K_SEM_DEFINE(bound_ept2_sem, 0, 1); |
| 30 | + |
| 31 | +static K_SEM_DEFINE(data_rx1_sem, 0, 1); |
| 32 | +static K_SEM_DEFINE(data_rx2_sem, 0, 1); |
| 33 | + |
| 34 | +static struct ipc_ept *ept_1; |
| 35 | +static struct ipc_ept *ept_2; |
| 36 | + |
| 37 | +static void ept_bound_1(void *priv) |
| 38 | +{ |
| 39 | + k_sem_give(&bound_ept1_sem); |
| 40 | +} |
| 41 | + |
| 42 | +static void ept_recv_1(const void *data, size_t len, void *priv) |
| 43 | +{ |
| 44 | + received_data_1 = *((uint8_t *) data); |
| 45 | + k_sem_give(&data_rx1_sem); |
| 46 | +} |
| 47 | + |
| 48 | +static void ept_error_1(const char *message, void *priv) |
| 49 | +{ |
| 50 | + printk("Endpoint [1] error: %s", message); |
| 51 | +} |
| 52 | + |
| 53 | +static void ept_bound_2(void *priv) |
| 54 | +{ |
| 55 | + k_sem_give(&bound_ept2_sem); |
| 56 | +} |
| 57 | + |
| 58 | +static void ept_recv_2(const void *data, size_t len, void *priv) |
| 59 | +{ |
| 60 | + received_data_2 = *((uint8_t *) data); |
| 61 | + k_sem_give(&data_rx2_sem); |
| 62 | +} |
| 63 | + |
| 64 | +static void ept_error_2(const char *message, void *priv) |
| 65 | +{ |
| 66 | + printk("Endpoint [2] error: %s", message); |
| 67 | +} |
| 68 | + |
| 69 | +void app_task_1(void *arg1, void *arg2, void *arg3) |
| 70 | +{ |
| 71 | + ARG_UNUSED(arg1); |
| 72 | + ARG_UNUSED(arg2); |
| 73 | + ARG_UNUSED(arg3); |
| 74 | + int status = 0; |
| 75 | + uint8_t message = 0U; |
| 76 | + |
| 77 | + printk("\r\nIPC Service [remote 1] demo started\r\n"); |
| 78 | + |
| 79 | + static struct ipc_ept_cfg ept_cfg = { |
| 80 | + .name = "ep_1", |
| 81 | + .prio = 0, |
| 82 | + .priv = NULL, |
| 83 | + .cb = { |
| 84 | + .bound = ept_bound_1, |
| 85 | + .received = ept_recv_1, |
| 86 | + .error = ept_error_1, |
| 87 | + }, |
| 88 | + }; |
| 89 | + |
| 90 | + status = ipc_service_register_endpoint(&ept_1, &ept_cfg); |
| 91 | + if (status < 0) { |
| 92 | + printk("ipc_service_register_endpoint failed %d\n", status); |
| 93 | + return; |
| 94 | + } |
| 95 | + |
| 96 | + k_sem_take(&bound_ept1_sem, K_FOREVER); |
| 97 | + |
| 98 | + while (message < 99) { |
| 99 | + k_sem_take(&data_rx1_sem, K_FOREVER); |
| 100 | + message = received_data_1; |
| 101 | + printk("Remote [1] received a message: %d\n", message); |
| 102 | + |
| 103 | + message++; |
| 104 | + status = ipc_service_send(ept_1, &message, sizeof(message)); |
| 105 | + if (status < 0) { |
| 106 | + printk("send_message(%d) failed with status %d\n", |
| 107 | + message, status); |
| 108 | + break; |
| 109 | + } |
| 110 | + } |
| 111 | + |
| 112 | + printk("IPC Service [remote 1] demo ended.\n"); |
| 113 | +} |
| 114 | + |
| 115 | +void app_task_2(void *arg1, void *arg2, void *arg3) |
| 116 | +{ |
| 117 | + ARG_UNUSED(arg1); |
| 118 | + ARG_UNUSED(arg2); |
| 119 | + ARG_UNUSED(arg3); |
| 120 | + int status = 0; |
| 121 | + uint8_t message = 0U; |
| 122 | + |
| 123 | + printk("\r\nIPC Service [remote 2] demo started\r\n"); |
| 124 | + |
| 125 | + static struct ipc_ept_cfg ept_cfg = { |
| 126 | + .name = "ep_2", |
| 127 | + .prio = 0, |
| 128 | + .priv = NULL, |
| 129 | + .cb = { |
| 130 | + .bound = ept_bound_2, |
| 131 | + .received = ept_recv_2, |
| 132 | + .error = ept_error_2, |
| 133 | + }, |
| 134 | + }; |
| 135 | + |
| 136 | + status = ipc_service_register_endpoint(&ept_2, &ept_cfg); |
| 137 | + |
| 138 | + if (status < 0) { |
| 139 | + printk("ipc_service_register_endpoint failed %d\n", status); |
| 140 | + return; |
| 141 | + } |
| 142 | + |
| 143 | + k_sem_take(&bound_ept2_sem, K_FOREVER); |
| 144 | + |
| 145 | + while (message < 99) { |
| 146 | + k_sem_take(&data_rx2_sem, K_FOREVER); |
| 147 | + message = received_data_2; |
| 148 | + printk("Remote [2] received a message: %d\n", message); |
| 149 | + |
| 150 | + message++; |
| 151 | + status = ipc_service_send(ept_2, &message, sizeof(message)); |
| 152 | + if (status < 0) { |
| 153 | + printk("send_message(%d) failed with status %d\n", |
| 154 | + message, status); |
| 155 | + break; |
| 156 | + } |
| 157 | + } |
| 158 | + |
| 159 | + printk("IPC Service [remote 2] demo ended.\n"); |
| 160 | +} |
| 161 | + |
| 162 | +void main(void) |
| 163 | +{ |
| 164 | + k_thread_create(&thread_data_1, thread_stack_1, APP_TASK_STACK_SIZE, |
| 165 | + (k_thread_entry_t)app_task_1, |
| 166 | + NULL, NULL, NULL, K_PRIO_COOP(7), 0, K_NO_WAIT); |
| 167 | + |
| 168 | + k_thread_create(&thread_data_2, thread_stack_2, APP_TASK_STACK_SIZE, |
| 169 | + (k_thread_entry_t)app_task_2, |
| 170 | + NULL, NULL, NULL, K_PRIO_COOP(7), 0, K_NO_WAIT); |
| 171 | +} |
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