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Mon, 23 Jan 2023 12:04:06 -0800 (PST) From: Svyatoslav Ryhel To: Lukasz Majewski , Simon Glass , Ilias Apalodimas , Heinrich Schuchardt , Masahisa Kojima , Ashok Reddy Soma , John Keeping , Marek Vasut , Svyatoslav Ryhel , =?utf-8?q?Jonas_Schw=C3=B6bel?= , Maxim Schwalm , Hector Palacios Cc: u-boot@lists.denx.de Subject: [PATCH v1 1/2] cmd: exit: add continue on key press command Date: Mon, 23 Jan 2023 22:03:53 +0200 Message-Id: <20230123200354.3642-2-clamor95@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230123200354.3642-1-clamor95@gmail.com> References: <20230123200354.3642-1-clamor95@gmail.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean This command stops performing script until any key is pressed. It is useful for keeping logs on screen until user decides to continue. Co-developed-by: Jonas Schwöbel Signed-off-by: Jonas Schwöbel Signed-off-by: Svyatoslav Ryhel --- cmd/exit.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/cmd/exit.c b/cmd/exit.c index 7bf241ec73..673b4b6be7 100644 --- a/cmd/exit.c +++ b/cmd/exit.c @@ -7,6 +7,17 @@ #include #include +static int do_continue(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + while (true) { + if (getchar()) + break; + } + + return 0; +} + static int do_exit(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { @@ -19,6 +30,12 @@ static int do_exit(struct cmd_tbl *cmdtp, int flag, int argc, return -r - 2; } +U_BOOT_CMD( + continue, 1, 0, do_continue, + "continue script on key pressed", + "" +); + U_BOOT_CMD( exit, 2, 1, do_exit, "exit script",