# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1583106571 0
# Node ID 69acf5e0a21d49fdbbd43df0ee770043864d24bb
# Parent  cd031e2501fad4d96e970824f356b7be501342e9
loadagent: implemented sertimeout calibration command

diff -r cd031e2501fa -r 69acf5e0a21d target-utils/loadagent/Makefile
--- a/target-utils/loadagent/Makefile	Sun Mar 01 21:30:49 2020 +0000
+++ b/target-utils/loadagent/Makefile	Sun Mar 01 23:49:31 2020 +0000
@@ -7,7 +7,7 @@
 INSTDIR=/opt/freecalypso/target-bin
 
 PROG=	loadagent
-OBJS=	crt0.o bindump.o cmdtab.o main.o
+OBJS=	crt0.o bindump.o cmdtab.o main.o sertimeout.o
 LIBS=	../libload/libload.a ../libcommon/libcommon.a ../libprintf/libprintf.a \
 	../libbase/libbase.a ../libc/libc.a
 LIBGCC=	`${CC} -print-file-name=libgcc.a`
diff -r cd031e2501fa -r 69acf5e0a21d target-utils/loadagent/cmdtab.c
--- a/target-utils/loadagent/cmdtab.c	Sun Mar 01 21:30:49 2020 +0000
+++ b/target-utils/loadagent/cmdtab.c	Sun Mar 01 23:49:31 2020 +0000
@@ -12,6 +12,7 @@
 extern void cmd_r8();
 extern void cmd_r16();
 extern void cmd_r32();
+extern void cmd_sertimeout();
 extern void cmd_w8();
 extern void cmd_w16();
 extern void cmd_w32();
@@ -49,6 +50,7 @@
 	{"r8", cmd_r8},
 	{"r16", cmd_r16},
 	{"r32", cmd_r32},
+	{"sertimeout", cmd_sertimeout},
 	{"w8", cmd_w8},
 	{"w16", cmd_w16},
 	{"w32", cmd_w32},
diff -r cd031e2501fa -r 69acf5e0a21d target-utils/loadagent/sertimeout.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/target-utils/loadagent/sertimeout.c	Sun Mar 01 23:49:31 2020 +0000
@@ -0,0 +1,33 @@
+/*
+ * Here we are going to implement a function for serial input with a timeout.
+ */
+
+#include <stdlib.h>
+
+serial_in_timeout(count)
+	unsigned count;
+{
+	int c;
+
+	do
+		c = serial_in_poll();
+	while (c < 0 && --count);
+	return c;
+}
+
+void
+cmd_sertimeout(argbulk)
+	char *argbulk;
+{
+	char *argv[2];
+	int count, c;
+
+	if (parse_args(argbulk, 1, 1, argv, 0) < 0)
+		return;
+	count = atoi(argv[0]);
+	c = serial_in_timeout(count);
+	if (c >= 0)
+		printf("Got char\n");
+	else
+		printf("Timeout\n");
+}