From: Keith Packard <keithp@keithp.com>
Date: Mon, 30 Aug 2010 05:41:18 +0000 (-0700)
Subject: altos: flush pending output when terminating packet mode
X-Git-Tag: debian/0.7+22+g4790f78~16
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=c4a8569f61eddf690d00337543462235ecbfbe54

altos: flush pending output when terminating packet mode

Just in case the last command sent hasn't been transmitted, hang
around for up to a second waiting for the data to get across the link.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/ao_packet_master.c b/src/ao_packet_master.c
index 72bb908a..5e13a91a 100644
--- a/src/ao_packet_master.c
+++ b/src/ao_packet_master.c
@@ -121,6 +121,10 @@ ao_packet_forward(void) __reentrant
 		if (c == '\r') c = '\n';
 		ao_packet_putchar(c);
 	}
+
+	/* Wait for a second if there is any pending data */
+	for (c = 0; (ao_packet_tx_used || ao_tx_packet.len) && c < 10; c++)
+		ao_delay(AO_MS_TO_TICKS(100));
 	ao_packet_enable = 0;
 	ao_radio_abort();
 	while (ao_packet_echo_task.wchan || ao_packet_task.wchan) {