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nolo: Implement nolo_set_string and nolo_get_string

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Pali Rohár committed 2012-09-22 22:29:05 +02:00
1 parent d636ef78dd
commit 11410296a7
1 file changed
+34 -13
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src/nolo.c
+34 -13
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@@ -38,8 +38,9 @@
#define NOLO_IDENTIFY 4
#define NOLO_SET 16
#define NOLO_GET 17
#define NOLO_REQUEST_VERSION 18
#define NOLO_RESPONCE_VERSION 20
#define NOLO_STRING 18
#define NOLO_SET_STRING 19
#define NOLO_GET_STRING 20
#define NOLO_BOOT 130
#define NOLO_REBOOT 131
@@ -94,8 +95,34 @@ static int nolo_identify_string(struct usb_device_info * dev, const char * str,
}
static int nolo_set_string(struct usb_device_info * dev, char * str, char * arg) {
if ( usb_control_msg(dev->udev, NOLO_WRITE, NOLO_STRING, 0, 0, str, strlen(str), 2000) < 0 )
ERROR_RETURN("NOLO_REQUEST_STRING failed", -1);
if ( usb_control_msg(dev->udev, NOLO_WRITE, NOLO_SET_STRING, 0, 0, arg, strlen(arg), 2000) < 0 )
ERROR_RETURN("NOLO_REQUEST_STRING_ARG failed", -1);
return 0;
}
static int nolo_get_string(struct usb_device_info * dev, char * str, char * out, size_t size) {
if ( usb_control_msg(dev->udev, NOLO_WRITE, NOLO_STRING, 0, 0, str, strlen(str), 2000) < 0 )
ERROR_RETURN("NOLO_REQUEST_STRING failed", -1);
if ( usb_control_msg(dev->udev, NOLO_QUERY, NOLO_GET_STRING, 0, 0, out, size, 2000) < 0 )
ERROR_RETURN("NOLO_RESPONCE_STRING failed", -1);
out[size-1] = 0;
return strlen(out);
}
static int nolo_get_version_string(struct usb_device_info * dev, const char * str, char * out, size_t size) {
int ret;
char buf[512];
if ( strlen(str) > 500 )
@@ -103,20 +130,14 @@ static int nolo_get_version_string(struct usb_device_info * dev, const char * st
sprintf(buf, "version:%s", str);
if ( usb_control_msg(dev->udev, NOLO_WRITE, NOLO_REQUEST_VERSION, 0, 0, (char *)&buf, strlen(buf), 2000) < 0 )
ERROR_RETURN("NOLO_REQUEST_VERSION failed", -1);
ret = nolo_get_string(dev, buf, out, size);
if ( ret < 0 )
return ret;
memset(buf, 0, sizeof(buf));
if ( usb_control_msg(dev->udev, NOLO_QUERY, NOLO_RESPONCE_VERSION, 0, 0, (char *)&buf, sizeof(buf), 2000) < 0 )
ERROR_RETURN("NOLO_RESPONCE_VERSION failed", -1);
if ( ! buf[0] )
if ( ! out[0] )
return -1;
strncpy(out, buf, size-1);
out[size-1] = 0;
return strlen(out);
return ret;
}