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 72bb908a671e4e2f790f1f6492c340627e43468a..5e13a91adecb3889727688e172e0f9a957458fb3 100644 (file)
--- 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) {