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Add support for '-h' (help).
https://github.com/PaulStoffregen/teensy_loader_cli/pull/26
---
teensy_loader_cli.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/teensy_loader_cli.c b/teensy_loader_cli.c
index d4a6cc5..0a06209 100644
--- a/teensy_loader_cli.c
+++ b/teensy_loader_cli.c
@@ -37,7 +37,8 @@ void usage(const char *err)
{
if(err != NULL) fprintf(stderr, "%s\n\n", err);
fprintf(stderr,
- "Usage: teensy_loader_cli --mcu=<MCU> [-w] [-h] [-n] [-b] [-v] <file.hex>\n"
+ "Usage: teensy_loader_cli --mcu=<MCU> [-h] [-w] [-n] [-b] [-v] <file.hex>\n"
+ "\t-h : Print this help message\n"
"\t-w : Wait for device to appear\n"
"\t-r : Use hard reboot if device not online\n"
"\t-s : Use soft reboot if device not online (Teensy3.x only)\n"
@@ -1081,6 +1082,7 @@ void parse_flag(char *arg)
int i;
for(i=1; arg[i]; i++) {
switch(arg[i]) {
+ case 'h': usage(NULL); break;
case 'w': wait_for_device_to_appear = 1; break;
case 'r': hard_reboot_device = 1; break;
case 's': soft_reboot_device = 1; break;
--
2.7.4
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