1 /* ipm_console.c - Console messages to/from another processor */
6  * SPDX-License-Identifier: Apache-2.0
35 		k_sem_take(&driver_data->sem, K_FOREVER);  in ipm_console_thread()
37 		ret = ring_buf_item_get(&driver_data->rb, &type,  in ipm_console_thread()
38 					(uint8_t *)&config_info->line_buf[pos],  in ipm_console_thread()
47 		if (config_info->line_buf[pos] == '\n' ||  in ipm_console_thread()
48 		    pos == config_info->lb_size - 2) {  in ipm_console_thread()
49 			if (pos != config_info->lb_size - 2) {  in ipm_console_thread()
50 				config_info->line_buf[pos] = '\0';  in ipm_console_thread()
52 				config_info->line_buf[pos + 1] = '\0';  in ipm_console_thread()
54 			if (config_info->flags & IPM_CONSOLE_PRINTK) {  in ipm_console_thread()
56 				       config_info->line_buf);  in ipm_console_thread()
58 			if (config_info->flags & IPM_CONSOLE_STDOUT) {  in ipm_console_thread()
60 				       config_info->line_buf);  in ipm_console_thread()
69 		 * re-enable it.  in ipm_console_thread()
75 		if (driver_data->channel_disabled &&  in ipm_console_thread()
76 		    ring_buf_item_space_get(&driver_data->rb)) {  in ipm_console_thread()
78 			ipm_set_enabled(driver_data->ipm_device, 1);  in ipm_console_thread()
79 			driver_data->channel_disabled = 0;  in ipm_console_thread()
95 	ret = ring_buf_item_put(&driver_data->rb, 0, id, NULL, 0);  in ipm_console_receive_callback()
97 	k_sem_give(&driver_data->sem);  in ipm_console_receive_callback()
102 	 * This works without losing data if the sending side tries to send  in ipm_console_receive_callback()
103 	 * more characters because the sending side is making an ipm_send()  in ipm_console_receive_callback()
105 	 * re-enables the channel and consumes the data.  in ipm_console_receive_callback()
107 	if (ring_buf_item_space_get(&driver_data->rb) == 0) {  in ipm_console_receive_callback()
109 		driver_data->channel_disabled = 1;  in ipm_console_receive_callback()
117 		d->config;  in ipm_console_receiver_init()
118 	struct ipm_console_receiver_runtime_data *driver_data = d->data;  in ipm_console_receiver_init()
121 	ipm = device_get_binding(config_info->bind_to);  in ipm_console_receiver_init()
125 		       config_info->bind_to);  in ipm_console_receiver_init()
126 		return -EINVAL;  in ipm_console_receiver_init()
130 		printk("IPM driver %s doesn't support 8-bit id values",  in ipm_console_receiver_init()
131 		       config_info->bind_to);  in ipm_console_receiver_init()
132 		return -EINVAL;  in ipm_console_receiver_init()
135 	driver_data->ipm_device = ipm;  in ipm_console_receiver_init()
136 	driver_data->channel_disabled = 0;  in ipm_console_receiver_init()
137 	k_sem_init(&driver_data->sem, 0, K_SEM_MAX_LIMIT);  in ipm_console_receiver_init()
138 	ring_buf_item_init(&driver_data->rb, config_info->rb_size32,  in ipm_console_receiver_init()
139 			   config_info->ring_buf_data);  in ipm_console_receiver_init()
143 	k_thread_create(&driver_data->rx_thread, config_info->thread_stack,  in ipm_console_receiver_init()