linuxmsm/cdba
0
0
Fork 0
mirror of https://github.com/linux-msm/cdba.git synced 2026-02-25 13:11:56 -08:00
Code Issues Packages Projects Releases Wiki Activity

laurent: add separate USB relays support

Browse Source 
Extend laurent driver, allowing using a relay to control USB circuits.
For example, the relay might be connected to the DIP switch on RB1 / RB2
boards.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
This commit is contained in:
Dmitry Baryshkov
2025-02-21 19:19:45 +02:00
parent bad935cbf2
commit 3c1e7cc886
2 changed files with 30 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/laurent.c
View File

@@ -23,6 +23,7 @@ struct laurent_options {
const char *server;
const char *password;
unsigned int relay;
int usb_relay;
};
struct laurent {
@@ -42,6 +43,7 @@ void *laurent_parse_options(struct device_parser *dp)
options = calloc(1, sizeof(*options));
options->password = DEFAULT_PASSWORD;
options->usb_relay = -1;
device_parser_accept(dp, YAML_MAPPING_START_EVENT, NULL, 0);
while (device_parser_accept(dp, YAML_SCALAR_EVENT, key, TOKEN_LENGTH)) {
@@ -54,6 +56,8 @@ void *laurent_parse_options(struct device_parser *dp)
options->password = strdup(value);
else if (!strcmp(key, "relay"))
options->relay = strtoul(value, NULL, 0);
else if (!strcmp(key, "usb_relay"))
options->usb_relay = strtoul(value, NULL, 0);
else
errx(1, "%s: unknown option \"%s\"", __func__, key);
}
@@ -124,7 +128,7 @@ static void *laurent_open(struct device *dev)
return laurent;
}
static int laurent_power(struct device *dev, bool on)
static int laurent_control(struct device *dev, unsigned int relay, bool on)
{
struct laurent *laurent = dev->cdb;
char buf[BUFSIZ];
@@ -145,7 +149,7 @@ static int laurent_power(struct device *dev, bool on)
len = snprintf(buf, sizeof(buf), "GET /cmd.cgi?psw=%s&cmd=REL,%u,%d HTTP/1.0\r\n\r\n",
laurent->options->password,
laurent->options->relay,
relay,
on);
if (len < 0) {
warn("asprintf failed\n");
@@ -190,8 +194,30 @@ err:
return -1;
}
static int laurent_power(struct device *dev, bool on)
{
struct laurent *laurent = dev->cdb;
return laurent_control(dev,
laurent->options->relay,
on);
}
static void laurent_usb(struct device *dev, bool on)
{
struct laurent *laurent = dev->cdb;
if (laurent->options->usb_relay < 0)
return;
laurent_control(dev,
laurent->options->usb_relay,
on);
}
const struct control_ops laurent_ops = {
.parse_options = laurent_parse_options,
.open = laurent_open,
.power = laurent_power,
.usb = laurent_usb,
};

2
schema.yaml
View File

@@ -152,6 +152,8 @@ properties:
type: string
relay:
type: integer
usb_relay:
type: integer
password:
description: password to access the relays, defaults to 'Laurent'
type: string