From 0bf21399d3d47d58410df4c6ce89fc20fcd42c89 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sun, 29 Jul 2012 19:34:00 -0700 Subject: altosui: Handle Monitor Idle errors better Deal with missing data by checking for MISSING in more places. Handle serial communication failures during send by reporting back from libaltos. Signed-off-by: Keith Packard --- altosui/AltosSerial.java | 14 ++++++++++++-- altosui/libaltos/libaltos.c | 4 ++-- 2 files changed, 14 insertions(+), 4 deletions(-) (limited to 'altosui') diff --git a/altosui/AltosSerial.java b/altosui/AltosSerial.java index c4e9c697..8b692fa9 100644 --- a/altosui/AltosSerial.java +++ b/altosui/AltosSerial.java @@ -54,13 +54,19 @@ public class AltosSerial extends AltosLink implements Runnable { Frame frame; public int getchar() { + if (altos == null) + return ERROR; return libaltos.altos_getchar(altos, 0); } public void flush_output() { super.flush_output(); if (altos != null) { - libaltos.altos_flush(altos); + if (libaltos.altos_flush(altos) != 0) { + libaltos.altos_close(altos); + altos = null; + abort_reply(); + } } } @@ -155,7 +161,11 @@ public class AltosSerial extends AltosLink implements Runnable { private void putc(char c) { if (altos != null) - libaltos.altos_putchar(altos, c); + if (libaltos.altos_putchar(altos, c) != 0) { + libaltos.altos_close(altos); + altos = null; + abort_reply(); + } } public void print(String data) { diff --git a/altosui/libaltos/libaltos.c b/altosui/libaltos/libaltos.c index 1cc27cbe..515432f9 100644 --- a/altosui/libaltos/libaltos.c +++ b/altosui/libaltos/libaltos.c @@ -221,7 +221,7 @@ altos_flush(struct altos_file *file) #endif if (ret < 0) { altos_set_last_posix_error(); - return -errno; + return -last_error.code; } if (ret) { memmove(file->out_data, file->out_data + ret, @@ -247,7 +247,7 @@ altos_putchar(struct altos_file *file, char c) ret = 0; if (file->out_used == USB_BUF_SIZE) ret = altos_flush(file); - return 0; + return ret; } #ifdef USE_POLL -- cgit v1.2.3