diff options
author | Simon Glass <sjg@chromium.org> | 2016-01-17 20:53:52 -0700 |
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committer | Tom Rini <trini@konsulko.com> | 2016-01-25 10:39:43 -0500 |
commit | 2e192b245ed36a63bab0ef576999a95e23f60ecd (patch) | |
tree | ae6197f4a661aea2a19122d9862315695e3f1541 /cmd/terminal.c | |
parent | 72a8cf8dccf6f8b86d1683205e032a94eaa86938 (diff) | |
download | u-boot-imx-2e192b245ed36a63bab0ef576999a95e23f60ecd.zip u-boot-imx-2e192b245ed36a63bab0ef576999a95e23f60ecd.tar.gz u-boot-imx-2e192b245ed36a63bab0ef576999a95e23f60ecd.tar.bz2 |
Remove the cmd_ prefix from command files
Now that they are in their own directory, we can remove this prefix.
This makes it easier to find a file since the prefix does not get in the
way.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
Diffstat (limited to 'cmd/terminal.c')
-rw-r--r-- | cmd/terminal.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/cmd/terminal.c b/cmd/terminal.c new file mode 100644 index 0000000..4b9c0b3 --- /dev/null +++ b/cmd/terminal.c @@ -0,0 +1,76 @@ +/* + * (C) Copyright 2007 OpenMoko, Inc. + * Written by Harald Welte <laforge@openmoko.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Boot support + */ +#include <common.h> +#include <command.h> +#include <stdio_dev.h> +#include <serial.h> + +int do_terminal(cmd_tbl_t * cmd, int flag, int argc, char * const argv[]) +{ + int last_tilde = 0; + struct stdio_dev *dev = NULL; + + if (argc < 1) + return -1; + + /* Scan for selected output/input device */ + dev = stdio_get_by_name(argv[1]); + if (!dev) + return -1; + + serial_reinit_all(); + printf("Entering terminal mode for port %s\n", dev->name); + puts("Use '~.' to leave the terminal and get back to u-boot\n"); + + while (1) { + int c; + + /* read from console and display on serial port */ + if (stdio_devices[0]->tstc()) { + c = stdio_devices[0]->getc(); + if (last_tilde == 1) { + if (c == '.') { + putc(c); + putc('\n'); + break; + } else { + last_tilde = 0; + /* write the delayed tilde */ + dev->putc('~'); + /* fall-through to print current + * character */ + } + } + if (c == '~') { + last_tilde = 1; + puts("[u-boot]"); + putc(c); + } + dev->putc(c); + } + + /* read from serial port and display on console */ + if (dev->tstc()) { + c = dev->getc(); + putc(c); + } + } + return 0; +} + + +/***************************************************/ + +U_BOOT_CMD( + terminal, 3, 1, do_terminal, + "start terminal emulator", + "" +); |