From e09806b632a86c2b18fc4b129e10ab23e898b0dc Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Sun, 7 Jul 2013 22:38:11 +0200
Subject: [PATCH 1/1] always show timing warning, not only when debugging is
 enabled

---
 hmcfgusb.c | 3 +--
 hmland.c   | 3 ++-
 hmsniff.c  | 6 +++++-
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/hmcfgusb.c b/hmcfgusb.c
index 5939dd6..77f977f 100644
--- a/hmcfgusb.c
+++ b/hmcfgusb.c
@@ -183,8 +183,7 @@ int hmcfgusb_send(struct hmcfgusb_dev *usbdev, unsigned char* send_data, int len
 	msec = ((tv_end.tv_sec-tv_start.tv_sec)*1000)+((tv_end.tv_usec-tv_start.tv_usec)/1000);
 
 	if (msec > 100) {
-		if (debug)
-			fprintf(stderr, "usb-transfer took more than 100ms (%dms), this can lead to timing problems!\n", msec);
+		fprintf(stderr, "usb-transfer took more than 100ms (%dms), this can lead to timing problems!\n", msec);
 	} else if (debug) {
 		fprintf(stderr, "usb-transfer took %dms!\n", msec);
 	}
diff --git a/hmland.c b/hmland.c
index 15b46ab..f963e2b 100644
--- a/hmland.c
+++ b/hmland.c
@@ -359,6 +359,7 @@ static int comm(int fd_in, int fd_out, int master_socket, int flags)
 
 	memset(out, 0, sizeof(out));
 	out[0] = 'K';
+	hmcfgusb_send_null_frame(dev);
 	hmcfgusb_send(dev, out, sizeof(out), 1);
 
 	while(!quit) {
@@ -558,7 +559,7 @@ static int socket_server(char *iface, int port, int flags)
 					(client_addr & 0x0000ff00) >> 8,
 					(client_addr & 0x000000ff));
 		}
-
+		sleep(1);
 	}
 
 	return EXIT_SUCCESS;
diff --git a/hmsniff.c b/hmsniff.c
index e842453..837f4e0 100644
--- a/hmsniff.c
+++ b/hmsniff.c
@@ -188,6 +188,7 @@ int main(int argc, char **argv)
 		}
 		printf("HM-CFG-USB opened!\n");
 
+		hmcfgusb_send_null_frame(dev);
 		hmcfgusb_send(dev, (unsigned char*)"K", 1, 1);
 
 		while(!quit) {
@@ -199,7 +200,7 @@ int main(int argc, char **argv)
 				rdata.wrong_hmid = 0;
 				hmcfgusb_send(dev, (unsigned char*)"K", 1, 1);
 			}
-			fd = hmcfgusb_poll(dev, 10);
+			fd = hmcfgusb_poll(dev, 1);
 			if (fd >= 0) {
 				fprintf(stderr, "activity on unknown fd %d!\n", fd);
 				continue;
@@ -207,6 +208,9 @@ int main(int argc, char **argv)
 				if (errno) {
 					perror("hmcfgusb_poll");
 					break;
+				} else {
+					/* periodically wakeup the device */
+					hmcfgusb_send_null_frame(dev);
 				}
 			}
 		}
-- 
2.39.2