Add protocol.md

laurent: driver for KernelChip Laurent family of relays

README

@@ -5,6 +5,7 @@ attached using a CDB Assist [https://github.com/sonyxperiadev/CDB-Assist] or Con
 = Dependencies
 sudo apt-get install libudev-dev libyaml-dev libftdi1-dev pkg-config meson for debian systems
 dnf install systemd-devel libyaml-devel libftdi1-devel pkg-config meson for fedora systems
+pacman -S libftdi libgpiod libyaml pkgconf meson for Arch systems
 
 = Device side
 On the host with the CDB Assist or Conmux attached the "cdba-server" executable is run
@@ -18,7 +19,7 @@ from sandbox/cdba/cdba-server. Available devices are read from $HOME/.cdba
 = Client side
 The client is invoked as:
 
-  cdba -b <board> -h <host> [-c <power-cylce-count>] boot.img
+  cdba -b <board> -h <host> [-c <power-cylce-count>] [-s <status-fifo>] boot.img
 
 <host> will be connected to using ssh and <board> will be selected for
 operation. As the board's fastboot interface shows up the given boot.img will
@@ -31,9 +32,25 @@ If the optional -c is given, the board will upon receiving the tilde sequence
 restart the board the given number of times. Each time booting the given
 boot.img.
 
+The optional -s argument can be used to specify that a fifo should be created
+and opened. cdba will request the server to start sending status/measurement
+updates, which will be written to this fifo.
+
+How to quit the console and close session: ctrl+a then q
+
+= Server side
+
 == Device configuration
 The list of attached devices is read from $HOME/.cdba and is YAML formatted.
 
+== Status command
+
+The "status-cmd" property for a board specifies a command line that should be
+executed to perform measurements and report status updates to the client. The
+command is expected to run for the duration of the board session and should
+produce a continuous stream of json-formatted lines of status updates according
+to the format defined in this document.
+
 === Example
 devices:
   - board: db2k
@@ -110,3 +127,38 @@ devices:
     fastboot: cacafada
     fastboot_set_active: true
     fastboot_key_timeout: 2
+
+= Status messages
+
+The status messages that are used by the client fifo and the server's status
+command should be json-formatted, with one status update per line.
+
+Each message should contain one timestamp member "ts", and one or more
+measurement members. Like so:
+
+  {"ts":%d.%03d, "name": {["mv"|"ma"]: %u}(, "name2": {["mv"|"ma"]: %u})*}
+
+The timestamp member ("ts"), should provide the time since first measurement in
+decimal form with millisecond accuracy.
+
+The key for the measurement members should be an identifier of the measured
+resources, and the value should be an object with members for each unit
+measured for the given resource and the measured value.
+
+Valid units to report are "mv", "ma", and "mw".
+
+Note that the cadence of measurement might differ between different items to be
+measured, so not all status messages contains data for all items that can be
+measured.
+
+== Examples
+
+Single resource "dc" measured at 20.271s, with voltage and current reported:
+
+  {"ts":20.271, "dc":{ "mv": 12165, "ma": 114}}
+
+Multiple resources measured in a single status message, followed by single
+resource measurement, all with voltage and current reported:
+
+  {"ts":38.341, "battery":{"mv":8023, "ma":725}, "vdd_cx":{"mv":750, "ma":466}}
+  {"ts":44.339, "battery":{"mv":8023, "ma":733}}

cdba-power.c

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2024, Linaro Ltd.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "cdba-server.h"
+#include "device.h"
+#include "device_parser.h"
+#include "watch.h"
+
+void cdba_send_buf(int type, size_t len, const void *buf)
+{
+	/* ignore console messages */
+}
+
+static void usage(const char *name)
+{
+	fprintf(stderr, "Usage: %s <board> on|off\n", name);
+	exit(EXIT_FAILURE);
+}
+
+static struct device *selected_device;
+
+bool ready(void)
+{
+	return device_is_running(selected_device);
+}
+
+int main(int argc, char **argv)
+{
+	const char *home;
+	const char *name;
+	bool on;
+	int ret;
+
+	if (argc != 3)
+		usage(argv[0]);
+
+	if (!strcmp(argv[2], "on"))
+		on = true;
+	else if (!strcmp(argv[2], "off"))
+		on = false;
+	else
+		usage(argv[0]);
+
+	home = getenv("HOME");
+	if (home)
+		chdir(home);
+
+	ret = device_parser(".cdba");
+	if (ret) {
+		ret = device_parser("/etc/cdba");
+		if (ret) {
+			fprintf(stderr, "device parser: unable to open config file\n");
+			exit(1);
+		}
+	}
+
+	name = argv[1];
+	selected_device = device_open(name, "nobody");
+	if (!selected_device) {
+		fprintf(stderr, "failed to open %s\n", name);
+		exit(EXIT_FAILURE);
+	}
+
+	if (on) {
+		device_power(selected_device, true);
+		watch_main_loop(ready);
+
+		selected_device->usb_always_on = true;
+		selected_device->power_always_on = true;
+	} else {
+		device_usb(selected_device, false);
+		device_power(selected_device, false);
+	}
+
+	device_close(selected_device);
+
+	return 0;
+}

cdba-server.c

@@ -2,34 +2,8 @@
  * Copyright (c) 2016-2018, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
-#include <sys/time.h>
-#include <alloca.h>
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -38,6 +12,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
+#include <syslog.h>
 
 #include "cdba-server.h"
 #include "circ_buf.h"
@@ -45,40 +20,12 @@
 #include "device_parser.h"
 #include "fastboot.h"
 #include "list.h"
+#include "watch.h"
 
-static bool quit_invoked;
 static const char *username;
 
 struct device *selected_device;
 
-int tty_open(const char *tty, struct termios *old)
-{
-	struct termios tios;
-	int ret;
-	int fd;
-
-	fd = open(tty, O_RDWR | O_NOCTTY | O_EXCL);
-	if (fd < 0)
-		err(1, "unable to open \"%s\"", tty);
-
-	ret = tcgetattr(fd, old);
-	if (ret < 0)
-		err(1, "unable to retrieve \"%s\" tios", tty);
-
-	memset(&tios, 0, sizeof(tios));
-	tios.c_cflag = B115200 | CS8 | CLOCAL | CREAD;
-	tios.c_iflag = IGNPAR;
-	tios.c_oflag = 0;
-
-	tcflush(fd, TCIFLUSH);
-
-	ret = tcsetattr(fd, TCSANOW, &tios);
-	if (ret < 0)
-		err(1, "unable to update \"%s\" tios", tty);
-
-	return fd;
-}
-
 static void fastboot_opened(struct fastboot *fb, void *data)
 {
 	const uint8_t one = 1;
@@ -108,12 +55,14 @@ static struct fastboot_ops fastboot_ops = {
 
 static void msg_select_board(const void *param)
 {
-	selected_device = device_open(param, username, &fastboot_ops);
+	selected_device = device_open(param, username);
 	if (!selected_device) {
 		fprintf(stderr, "failed to open %s\n", (const char *)param);
-		quit_invoked = true;
+		watch_quit();
 	}
 
+	device_fastboot_open(selected_device, &fastboot_ops);
+
 	cdba_send(MSG_SELECT_BOARD);
 }
 
@@ -144,6 +93,12 @@ static void msg_fastboot_download(const void *data, size_t len)
 	}
 }
 
+static void msg_fastboot_continue(void)
+{
+	device_fastboot_continue(selected_device);
+	cdba_send(MSG_FASTBOOT_CONTINUE);
+}
+
 void cdba_send_buf(int type, size_t len, const void *buf)
 {
 	struct msg msg = {
@@ -210,7 +165,7 @@ static int handle_stdin(int fd, void *buf)
 			// fprintf(stderr, "fastboot boot\n");
 			break;
 		case MSG_STATUS_UPDATE:
-			device_print_status(selected_device);
+			device_status_enable(selected_device);
 			break;
 		case MSG_VBUS_ON:
 			device_usb(selected_device, true);
@@ -227,6 +182,9 @@ static int handle_stdin(int fd, void *buf)
 		case MSG_BOARD_INFO:
 			device_info(username, msg->data, msg->len);
 			break;
+		case MSG_FASTBOOT_CONTINUE:
+			msg_fastboot_continue();
+			break;
 		default:
 			fprintf(stderr, "unk %d len %d\n", msg->type, msg->len);
 			exit(1);
@@ -238,124 +196,27 @@ static int handle_stdin(int fd, void *buf)
 	return 0;
 }
 
-struct watch {
-	struct list_head node;
-
-	int fd;
-	int (*cb)(int, void*);
-	void *data;
-};
-
-struct timer {
-	struct list_head node;
-	struct timeval tv;
-
-	void (*cb)(void *);
-	void *data;
-};
-
-static struct list_head read_watches = LIST_INIT(read_watches);
-static struct list_head timer_watches = LIST_INIT(timer_watches);
-
-void watch_add_readfd(int fd, int (*cb)(int, void*), void *data)
-{
-	struct watch *w;
-
-	w = calloc(1, sizeof(*w));
-	w->fd = fd;
-	w->cb = cb;
-	w->data = data;
-
-	list_add(&read_watches, &w->node);
-}
-
-void watch_timer_add(int timeout_ms, void (*cb)(void *), void *data)
-{
-	struct timeval tv_timeout;
-	struct timeval now;
-	struct timer *t;
-
-	t = calloc(1, sizeof(*t));
-
-	gettimeofday(&now, NULL);
-
-	tv_timeout.tv_sec = timeout_ms / 1000;
-	tv_timeout.tv_usec = (timeout_ms % 1000) * 1000;
-
-	t->cb = cb;
-	t->data = data;
-	timeradd(&now, &tv_timeout, &t->tv);
-
-	list_add(&timer_watches, &t->node);
-}
-
-static struct timeval *watch_timer_next(void)
-{
-	static struct timeval timeout;
-	struct timeval now;
-	struct timer *next;
-	struct timer *t;
-
-	if (list_empty(&timer_watches))
-		return NULL;
-
-	next = list_entry_first(&timer_watches, struct timer, node);
-
-	list_for_each_entry(t, &timer_watches, node) {
-		if (timercmp(&t->tv, &next->tv, <))
-			next = t;
-	}
-
-	gettimeofday(&now, NULL);
-	timersub(&next->tv, &now, &timeout);
-	if (timeout.tv_sec < 0) {
-		timeout.tv_sec = 0;
-		timeout.tv_usec = 0;
-	}
-
-	return &timeout;
-}
-
-static void watch_timer_invoke(void)
-{
-	struct timeval now;
-	struct timer *tmp;
-	struct timer *t;
-
-	gettimeofday(&now, NULL);
-
-	list_for_each_entry_safe(t, tmp, &timer_watches, node) {
-		if (timercmp(&t->tv, &now, <)) {
-			t->cb(t->data);
-
-			list_del(&t->node);
-			free(t);
-		}
-	}
-}
-
 static void sigpipe_handler(int signo)
 {
-	quit_invoked = true;
-}
-
-void watch_quit(void)
-{
-	quit_invoked = true;
+	watch_quit();
 }
 
 int main(int argc, char **argv)
 {
-	struct timeval *timeoutp;
-	struct watch *w;
-	fd_set rfds;
 	int flags;
-	int nfds;
 	int ret;
 
 	signal(SIGPIPE, sigpipe_handler);
 
+	fprintf(stderr, "Starting cdba server\n");
+
 	username = getenv("CDBA_USER");
+	if (!username)
+		username = getenv("USER");
+	if (!username)
+		username = "nobody";
+
+	openlog("cdba-server", 0, LOG_DAEMON);
 
 	ret = device_parser(".cdba");
 	if (ret) {
@@ -371,40 +232,7 @@ int main(int argc, char **argv)
 	flags = fcntl(STDIN_FILENO, F_GETFL, 0);
 	fcntl(STDIN_FILENO, F_SETFL, flags | O_NONBLOCK);
 
-	while (!quit_invoked) {
-		nfds = 0;
-
-		list_for_each_entry(w, &read_watches, node) {
-			nfds = MAX(nfds, w->fd);
-			FD_SET(w->fd, &rfds);
-		}
-
-		if (!FD_ISSET(STDIN_FILENO, &rfds)) {
-			fprintf(stderr, "rfds is trash!\n");
-			goto done;
-		}
-
-		timeoutp = watch_timer_next();
-		ret = select(nfds + 1, &rfds, NULL, NULL, timeoutp);
-		if (ret < 0 && errno == EINTR)
-			continue;
-		else if (ret < 0)
-			break;
-
-		watch_timer_invoke();
-
-		list_for_each_entry(w, &read_watches, node) {
-			if (FD_ISSET(w->fd, &rfds)) {
-				ret = w->cb(w->fd, w->data);
-				if (ret < 0) {
-					fprintf(stderr, "cb returned %d\n", ret);
-					goto done;
-				}
-			}
-		}
-	}
-
-done:
+	watch_run();
 
 	/* if we got here, stdin/out/err might be not accessible anymore */
 	ret = open("/dev/null", O_RDWR);

cdba-server.h

@@ -6,14 +6,6 @@
 
 #include "cdba.h"
 
-void watch_add_readfd(int fd, int (*cb)(int, void*), void *data);
-int watch_add_quit(int (*cb)(int, void*), void *data);
-void watch_timer_add(int timeout_ms, void (*cb)(void *), void *data);
-void watch_quit(void);
-int watch_run(void);
-
-int tty_open(const char *tty, struct termios *old);
-
 void cdba_send_buf(int type, size_t len, const void *buf);
 #define cdba_send(type) cdba_send_buf(type, 0, NULL)
 

cdba.c

@@ -2,31 +2,7 @@
  * Copyright (c) 2016-2018, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #include <sys/select.h>
 #include <sys/stat.h>
@@ -51,6 +27,9 @@
 static bool quit;
 static bool fastboot_repeat;
 static bool fastboot_done;
+static bool fastboot_continue;
+
+static int status_fd = -1;
 
 static const char *fastboot_file;
 
@@ -338,6 +317,22 @@ static void request_power_off(void)
 	list_add(&work_items, &work.node);
 }
 
+static void request_fastboot_continue_fn(struct work *work, int ssh_stdin)
+{
+	int ret;
+
+	ret = cdba_send(ssh_stdin, MSG_FASTBOOT_CONTINUE);
+	if (ret < 0)
+		err(1, "failed to send fastboot continue request");
+}
+
+static void request_fastboot_continue(void)
+{
+	static struct work work = { request_fastboot_continue_fn };
+
+	list_add(&work_items, &work.node);
+}
+
 struct fastboot_download_work {
 	struct work work;
 
@@ -398,12 +393,40 @@ static void request_fastboot_files(void)
 
 static void handle_status_update(const void *data, size_t len)
 {
-	char *str = alloca(len + 1);
+	if (status_fd < 0)
+		return;
 
-	memcpy(str, data, len);
-	str[len] = '\n';
+	write(status_fd, data, len);
+}
 
-	write(STDOUT_FILENO, str, len + 1);
+static void status_enable_fn(struct work *work, int ssh_stdin)
+{
+	cdba_send(ssh_stdin, MSG_STATUS_UPDATE);
+
+	free(work);
+}
+
+static void status_pipe_open(const char *path)
+{
+	struct work *work;
+	int ret;
+	int fd;
+
+	ret = mkfifo(path, 0600);
+	if (ret < 0 && errno != EEXIST)
+		err(1, "failed to create fifo %s", path);
+
+	fd = open(path, O_RDWR | O_NONBLOCK);
+	if (fd < 0)
+		err(1, "failed to open fifo %s", path);
+
+	status_fd = fd;
+
+	/* Queue a MSG_STATUS_UPDATE request */
+	work = malloc(sizeof(*work));
+	work->fn = status_enable_fn;
+
+	list_add(&work_items, &work->node);
 }
 
 static void handle_list_devices(const void *data, size_t len)
@@ -502,10 +525,14 @@ static int handle_message(struct circ_buf *buf)
 		case MSG_FASTBOOT_PRESENT:
 			if (*(uint8_t*)msg->data) {
 				// printf("======================================== MSG_FASTBOOT_PRESENT(on)\n");
-				if (!fastboot_done || fastboot_repeat)
+				if (fastboot_continue) {
+					request_fastboot_continue();
+					fastboot_continue = false;
+				} else if (!fastboot_done || fastboot_repeat) {
 					request_fastboot_files();
-				else
+				} else {
 					quit = true;
+				}
 			} else {
 				fastboot_done = true;
 				// printf("======================================== MSG_FASTBOOT_PRESENT(off)\n");
@@ -527,6 +554,9 @@ static int handle_message(struct circ_buf *buf)
 			handle_board_info(msg->data, msg->len);
 			return -1;
 			break;
+		case MSG_FASTBOOT_CONTINUE:
+			// printf("======================================== MSG_FASTBOOT_CONTINUE\n");
+			break;
 		default:
 			fprintf(stderr, "unk %d len %d\n", msg->type, msg->len);
 			return -1;
@@ -555,7 +585,7 @@ static void usage(void)
 	extern const char *__progname;
 
 	fprintf(stderr, "usage: %s -b <board> -h <host> [-t <timeout>] "
-			"[-T <inactivity-timeout>] boot.img\n",
+			"[-T <inactivity-timeout>] <boot.img>\n",
 			__progname);
 	fprintf(stderr, "usage: %s -i -b <board> -h <host>\n",
 			__progname);
@@ -577,6 +607,7 @@ int main(int argc, char **argv)
 	struct timeval timeout_total_tv;
 	struct termios *orig_tios;
 	const char *server_binary = "cdba-server";
+	const char *status_pipe = NULL;
 	int timeout_inactivity = 0;
 	int timeout_total = 600;
 	struct work *next;
@@ -597,7 +628,7 @@ int main(int argc, char **argv)
 	int opt;
 	int ret;
 
-	while ((opt = getopt(argc, argv, "b:c:C:h:ilRt:S:T:")) != -1) {
+	while ((opt = getopt(argc, argv, "b:c:C:h:ilRt:S:s:T:")) != -1) {
 		switch (opt) {
 		case 'b':
 			board = optarg;
@@ -623,6 +654,9 @@ int main(int argc, char **argv)
 		case 'S':
 			server_binary = optarg;
 			break;
+		case 's':
+			status_pipe = optarg;
+			break;
 		case 't':
 			timeout_total = atoi(optarg);
 			break;
@@ -639,13 +673,15 @@ int main(int argc, char **argv)
 
 	switch (verb) {
 	case CDBA_BOOT:
-		if (optind >= argc || !board)
+		if (optind > argc || !board)
 			usage();
 
 		fastboot_file = argv[optind];
-		if (lstat(fastboot_file, &sb))
+		if (!fastboot_file)
+			fastboot_continue = true;
+		else if (lstat(fastboot_file, &sb))
 			err(1, "unable to read \"%s\"", fastboot_file);
-		if (!S_ISREG(sb.st_mode) && !S_ISLNK(sb.st_mode))
+		else if (!S_ISREG(sb.st_mode) && !S_ISLNK(sb.st_mode))
 			errx(1, "\"%s\" is not a regular file", fastboot_file);
 
 		request_select_board(board);
@@ -661,6 +697,9 @@ int main(int argc, char **argv)
 		break;
 	}
 
+	if (status_pipe)
+		status_pipe_open(status_pipe);
+
 	ret = fork_ssh(host, server_binary, ssh_fds);
 	if (ret)
 		err(1, "failed to connect to \"%s\"", host);

cdba.h

@@ -30,6 +30,7 @@ enum {
 	MSG_SEND_BREAK,
 	MSG_LIST_DEVICES,
 	MSG_BOARD_INFO,
+	MSG_FASTBOOT_CONTINUE,
 };
 
 #endif

ci/archlinux.sh

@@ -17,7 +17,7 @@ case $CC in
 esac
 
 pacman -Syu --noconfirm \
-	libftdi-compat \
+	libftdi \
 	libyaml \
 	systemd-libs \
 	libgpiod \

circ_buf.c

@@ -2,31 +2,7 @@
  * Copyright (c) 2018, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <errno.h>

circ_buf.h

@@ -2,31 +2,7 @@
  * Copyright (c) 2018, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #ifndef __CIRC_BUF_H__
 #define __CIRC_BUF_H__

config-samples/sample11.yaml

@@ -0,0 +1,8 @@
+---
+devices:
+  - board: myboard
+    name: "My Board"
+    alpaca: /dev/ttyACM0
+    console: /dev/ttyUSB0
+    fastboot: cacafada
+    status-cmd: /usr/bin/sample-measure-app --sample-rate 100 /dev/measure0

config-samples/sample12.yaml

@@ -0,0 +1,13 @@
+---
+devices:
+  - board: myboard
+    name: "My Board"
+    description: |
+      My Awesome board
+    console: /dev/ttyABC0
+    fastboot: cacafada
+    fastboot_set_active: true
+    fastboot_key_timeout: 2
+    laurent:
+      server: laurent.lan
+      relay: 5

console.c

@@ -2,31 +2,7 @@
  * Copyright (c) 2020, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #include <sys/file.h>
 #include <sys/stat.h>
@@ -37,6 +13,8 @@
 
 #include "cdba-server.h"
 #include "device.h"
+#include "tty.h"
+#include "watch.h"
 
 struct console {
 	int console_fd;

device.c

@@ -2,31 +2,7 @@
  * Copyright (c) 2016-2018, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #include <sys/file.h>
 #include <sys/stat.h>
@@ -39,12 +15,15 @@
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <syslog.h>
 
 #include "cdba-server.h"
 #include "device.h"
 #include "fastboot.h"
 #include "list.h"
 #include "ppps.h"
+#include "status-cmd.h"
+#include "watch.h"
 
 #define ARRAY_SIZE(x) ((sizeof(x)/sizeof((x)[0])))
 
@@ -115,9 +94,10 @@ static bool device_check_access(struct device *device,
 	return false;
 }
 
+static int device_power_off(struct device *device);
+
 struct device *device_open(const char *board,
-			   const char *username,
-			   struct fastboot_ops *fastboot_ops)
+			   const char *username)
 {
 	struct device *device;
 
@@ -126,11 +106,17 @@ struct device *device_open(const char *board,
 			goto found;
 	}
 
+	syslog(LOG_INFO, "user %s asked for non-existing board %s", username, board);
 	return NULL;
 
 found:
-	if (!device_check_access(device, username))
+	if (!device_check_access(device, username)) {
+		syslog(LOG_INFO, "user %s access denied to the board %s", username, board);
+
 		return NULL;
+	}
+
+	syslog(LOG_INFO, "user %s opening board %s", username, board);
 
 	assert(device->console_ops);
 	assert(device->console_ops->open);
@@ -148,11 +134,21 @@ found:
 	if (!device->console)
 		errx(1, "failed to open device console");
 
+	/*
+	 * Power off before opening fastboot. Otherwise if the device is
+	 * already in the fastboot state, CDBA will detect it, then power up
+	 * procedure will restart the device causing fastboot to disappear and
+	 * appear again. This will cause CDBA to exit, ending up with the
+	 * unbreakable fastboot-reset-second_fastboot-quit cycle.
+	 * */
+	if (device->power_always_on) {
+		device_power_off(device);
+		sleep(2);
+	}
+
 	if (device->usb_always_on)
 		device_usb(device, true);
 
-	device->fastboot = fastboot_open(device->serial, fastboot_ops, NULL);
-
 	return device;
 }
 
@@ -231,6 +227,11 @@ static void device_tick(void *data)
 	}
 }
 
+bool device_is_running(struct device *device)
+{
+	return device->state == DEVICE_STATE_RUNNING;
+}
+
 static int device_power_on(struct device *device)
 {
 	if (!device || !device_has_control(device, power))
@@ -260,10 +261,18 @@ int device_power(struct device *device, bool on)
 		return device_power_off(device);
 }
 
-void device_print_status(struct device *device)
+void device_status_enable(struct device *device)
 {
-	if (device_has_control(device, print_status))
-		device_control(device, print_status);
+	if (device->status_enabled)
+		return;
+
+	if (device_has_control(device, status_enable))
+		device_control(device, status_enable);
+
+	if (device->status_cmd)
+		status_cmd_open(device);
+
+	device->status_enabled = true;
 }
 
 void device_usb(struct device *device, bool on)
@@ -282,13 +291,36 @@ int device_write(struct device *device, const void *buf, size_t len)
 	return device_console(device, write, buf, len);
 }
 
+void device_fastboot_open(struct device *device,
+			  struct fastboot_ops *fastboot_ops)
+{
+	device->fastboot = fastboot_open(device->serial, fastboot_ops, NULL);
+}
+
 void device_fastboot_boot(struct device *device)
 {
+	if (!device->fastboot) {
+		fprintf(stderr, "fastboot not opened\n");
+		return;
+	}
 	fastboot_boot(device->fastboot);
 }
 
+void device_fastboot_continue(struct device *device)
+{
+	if (!device->fastboot) {
+		fprintf(stderr, "fastboot not opened\n");
+		return;
+	}
+	fastboot_continue(device->fastboot);
+}
+
 void device_fastboot_flash_reboot(struct device *device)
 {
+	if (!device->fastboot) {
+		fprintf(stderr, "fastboot not opened\n");
+		return;
+	}
 	fastboot_flash(device->fastboot, "boot");
 	fastboot_reboot(device->fastboot);
 }
@@ -300,6 +332,11 @@ void device_boot(struct device *device, const void *data, size_t len)
 		fastboot_set_active(device->fastboot, device->set_active);
 	fastboot_download(device->fastboot, data, len);
 	device->boot(device);
+
+	if (device->status_enabled && !device->usb_always_on) {
+		warnx("disabling USB, use ^A V to enable");
+		device_usb(device, false);
+	}
 }
 
 void device_send_break(struct device *device)
@@ -356,7 +393,8 @@ void device_close(struct device *dev)
 {
 	if (!dev->usb_always_on)
 		device_usb(dev, false);
-	device_power(dev, false);
+	if (!dev->power_always_on)
+		device_power(dev, false);
 
 	if (device_has_control(dev, close))
 		device_control(dev, close);

device.h

@@ -17,7 +17,7 @@ struct control_ops {
 	int (*power)(struct device *dev, bool on);
 	void (*usb)(struct device *dev, bool on);
 	void (*key)(struct device *device, int key, bool asserted);
-	void (*print_status)(struct device *dev);
+	void (*status_enable)(struct device *dev);
 };
 
 struct console_ops {
@@ -41,11 +41,14 @@ struct device {
 	unsigned voltage;
 	bool tickle_mmc;
 	bool usb_always_on;
+	bool power_always_on;
 	struct fastboot *fastboot;
 	unsigned int fastboot_key_timeout;
 	int state;
 	bool has_power_key;
 
+	bool status_enabled;
+
 	void (*boot)(struct device *);
 
 	const struct control_ops *control_ops;
@@ -56,6 +59,8 @@ struct device {
 	void *cdb;
 	void *console;
 
+	char *status_cmd;
+
 	struct list_head node;
 };
 
@@ -68,22 +73,25 @@ struct device_user {
 void device_add(struct device *device);
 
 struct device *device_open(const char *board,
-			   const char *username,
-			   struct fastboot_ops *fastboot_ops);
+			   const char *username);
 void device_close(struct device *dev);
 int device_power(struct device *device, bool on);
 
-void device_print_status(struct device *device);
+void device_status_enable(struct device *device);
 void device_usb(struct device *device, bool on);
 int device_write(struct device *device, const void *buf, size_t len);
 
 void device_boot(struct device *device, const void *data, size_t len);
 
+void device_fastboot_open(struct device *device,
+			  struct fastboot_ops *fastboot_ops);
 void device_fastboot_boot(struct device *device);
 void device_fastboot_flash_reboot(struct device *device);
 void device_send_break(struct device *device);
 void device_list_devices(const char *username);
 void device_info(const char *username, const void *data, size_t dlen);
+void device_fastboot_continue(struct device *device);
+bool device_is_running(struct device *device);
 
 enum {
 	DEVICE_KEY_FASTBOOT,
@@ -97,6 +105,7 @@ extern const struct control_ops ftdi_gpio_ops;
 extern const struct control_ops local_gpio_ops;
 extern const struct control_ops external_ops;
 extern const struct control_ops qcomlt_dbg_ops;
+extern const struct control_ops laurent_ops;
 
 extern const struct console_ops conmux_console_ops;
 extern const struct console_ops console_ops;

device_parser.c

@@ -2,31 +2,7 @@
  * Copyright (c) 2018, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #include <stdio.h>
 #include <stdbool.h>
@@ -139,6 +115,11 @@ static void parse_board(struct device_parser *dp)
 			if (dev->control_options)
 				set_control_ops(dev, &ftdi_gpio_ops);
 			continue;
+		} else if (!strcmp(key, "laurent")) {
+			dev->control_options = laurent_ops.parse_options(dp);
+			if (dev->control_options)
+				set_control_ops(dev, &laurent_ops);
+			continue;
 		}
 
 		device_parser_expect(dp, YAML_SCALAR_EVENT, value, TOKEN_LENGTH);
@@ -193,6 +174,10 @@ static void parse_board(struct device_parser *dp)
 			dev->ppps_path = strdup(value);
 		} else if (!strcmp(key, "ppps3_path")) {
 			dev->ppps3_path = strdup(value);
+		} else if (!strcmp(key, "status-cmd")) {
+			dev->status_cmd = strdup(value);
+		} else if (!strcmp(key, "power_always_on")) {
+			dev->power_always_on = !strcmp(value, "true");
 		} else {
 			fprintf(stderr, "device parser: unknown key \"%s\"\n", key);
 			exit(1);

drivers/alpaca.c

@@ -2,31 +2,7 @@
  * Copyright (c) 2018, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #include <sys/socket.h>
 #include <sys/types.h>
@@ -41,8 +17,8 @@
 #include <termios.h>
 #include <unistd.h>
 
-#include "cdba-server.h"
 #include "device.h"
+#include "tty.h"
 
 struct alpaca {
 	int alpaca_fd;

drivers/cdb_assist.c

@@ -2,31 +2,7 @@
  * Copyright (c) 2016-2018, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #include <sys/types.h>
 #include <ctype.h>
@@ -41,8 +17,10 @@
 #include <termios.h>
 #include <unistd.h>
 
-#include "cdba-server.h"
 #include "device.h"
+#include "status.h"
+#include "tty.h"
+#include "watch.h"
 
 struct cdb_assist {
 	char serial[9];
@@ -99,7 +77,7 @@ static void cdb_parser_bool(struct cdb_assist *cdb, const char *key, bool set)
 	for (i = 0; i < 5; i++)
 		if (strcmp(key, sz_keys[i]) == 0)
 			break;
-	
+
 	switch (i) {
 	case 0:
 		cdb->vbat = set;
@@ -125,7 +103,7 @@ static void cdb_parser_voltage(struct cdb_assist *cdb, unsigned set, unsigned ac
 	cdb->voltage_actual = actual;
 	cdb->voltage_set = set;
 }
-			
+
 static void cdb_parser_vref(struct cdb_assist *cdb, unsigned vref)
 {
 	cdb->vref = vref;
@@ -223,7 +201,7 @@ static void cdb_parser_push(struct cdb_assist *cdb, char ch)
 	case STATE_key_of:
 		if (ch == 'f')
 			cdb_parser_bool(cdb, cdb->key, false);
-		cdb->state = STATE_;	
+		cdb->state = STATE_;
 		break;
 	case STATE_key_value:
 		if (isdigit(ch)) {
@@ -338,23 +316,37 @@ static void cdb_gpio(struct cdb_assist *cdb, int gpio, bool on)
 	cdb_ctrl_write(cdb, &cmd[gpio][on], 1);
 }
 
-static void cdb_assist_print_status(struct device *dev)
+static void cdb_assist_print_status(void *data)
+{
+	struct cdb_assist *cdb = data;
+	struct status_value vbat[] = {
+		{
+			.unit = STATUS_MV,
+			.value = cdb->voltage_set,
+		},
+		{
+			.unit = STATUS_MA,
+			.value = cdb->current_actual,
+		},
+		{}
+	};
+	struct status_value vref[] = {
+		{
+			.unit = STATUS_MV,
+			.value = cdb->vref,
+		},
+		{}
+	};
+
+	status_send_values("vbat", vbat);
+	status_send_values("vref", vref);
+}
+
+static void cdb_assist_status_enable(struct device *dev)
 {
 	struct cdb_assist *cdb = dev->cdb;
-	char buf[128];
-	int n;
 
-	n = sprintf(buf, "%umV %umA%s%s%s%s%s ref: %umV",
-			 cdb->voltage_set,
-			 cdb->current_actual,
-			 cdb->vbat ? " vbat" : "",
-			 cdb->vbus ? " vbus" : "",
-			 cdb->btn[0] ? " btn1" : "",
-			 cdb->btn[1] ? " btn2" : "",
-			 cdb->btn[2] ? " btn3" : "",
-			 cdb->vref);
-
-	cdba_send_buf(MSG_STATUS_UPDATE, n, buf);
+	watch_timer_add(1000, cdb_assist_print_status, cdb);
 }
 
 static void cdb_set_voltage(struct cdb_assist *cdb, unsigned mV)
@@ -384,7 +376,7 @@ const struct control_ops cdb_assist_ops = {
 	.open = cdb_assist_open,
 	.close = cdb_assist_close,
 	.power = cdb_assist_power,
-	.print_status = cdb_assist_print_status,
+	.status_enable = cdb_assist_status_enable,
 	.usb = cdb_assist_usb,
 	.key = cdb_assist_key,
 };

drivers/conmux.c

@@ -2,31 +2,7 @@
  * Copyright (c) 2018, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #include <sys/socket.h>
 #include <sys/types.h>
@@ -42,6 +18,7 @@
 
 #include "cdba-server.h"
 #include "device.h"
+#include "watch.h"
 
 extern int h_errno;
 

drivers/external.c

@@ -2,31 +2,7 @@
  * Copyright (c) 2021-2023, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <sys/types.h>

drivers/ftdi-gpio.c

@@ -2,31 +2,7 @@
  * Copyright (c) 2023, Linaro Ltd.
  * 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 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 the copyright holder nor the names of its contributors
- * may be used to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 #define _GNU_SOURCE
 #include <sys/socket.h>