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authorRob Landley <rob@landley.net>2017-01-25 16:23:58 -0600
committerRob Landley <rob@landley.net>2017-01-25 16:23:58 -0600
commit4d8ffe62d06b1f7472e3dc0c63344311af5d68d0 (patch)
treecc9aba34bf7e59444838c8e1bd88f9cbe8b87038 /toys/pending
parentcd2063dfba6f0e95bdbc87de42923c387ead08c4 (diff)
downloadtoybox-4d8ffe62d06b1f7472e3dc0c63344311af5d68d0.tar.gz
Promote microcom to net.
Diffstat (limited to 'toys/pending')
-rw-r--r--toys/pending/microcom.c106
1 files changed, 0 insertions, 106 deletions
diff --git a/toys/pending/microcom.c b/toys/pending/microcom.c
deleted file mode 100644
index b354b263..00000000
--- a/toys/pending/microcom.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/* microcom.c - Simple serial console.
- *
- * Copyright 2017 The Android Open Source Project.
-
-USE_MICROCOM(NEWTOY(microcom, "<1>1s:X", TOYFLAG_BIN))
-
-config MICROCOM
- bool "microcom"
- default n
- help
- usage: microcom [-s SPEED] [-X] DEVICE
-
- Simple serial console.
-
- -s Set baud rate to SPEED
- -X Ignore ^@ (send break) and ^] (exit).
-*/
-
-#define FOR_microcom
-#include "toys.h"
-
-GLOBALS(
- char *s;
-
- int fd;
- struct termios original_stdin_state, original_fd_state;
-)
-
-// Puts `fd` into raw mode, setting the baud rate if `speed` != 0,
-// and saving the original terminal state.
-static void xraw(int fd, const char *name, speed_t speed,
- struct termios *original)
-{
- struct termios t;
-
- if (tcgetattr(fd, &t)) perror_exit("tcgetattr %s", name);
- *original = t;
-
- cfmakeraw(&t);
- if (speed) cfsetspeed(&t, speed);
-
- if (tcsetattr(fd, TCSAFLUSH, &t)) perror_exit("tcsetattr %s", name);
-}
-
-static void restore_states(int i)
-{
- tcsetattr(0, TCSAFLUSH, &TT.original_stdin_state);
- tcsetattr(TT.fd, TCSAFLUSH, &TT.original_fd_state);
-}
-
-void microcom_main(void)
-{
- int speeds[] = {50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400,
- 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800,
- 500000, 576000, 921600, 1000000, 1152000, 1500000, 2000000,
- 2500000, 3000000, 3500000, 4000000};
- struct pollfd fds[2];
- int i, speed;
-
- if (!TT.s) speed = 115200;
- else speed = atoi(TT.s);
-
- // Find speed in table, adjust to constant
- for (i = 0; i < ARRAY_LEN(speeds); i++) if (speeds[i] == speed) break;
- if (i == ARRAY_LEN(speeds)) error_exit("unknown speed: %s", TT.s);
- speed = i+1+4081*(i>15);
-
- // Open with O_NDELAY, but switch back to blocking for reads.
- TT.fd = xopen(*toys.optargs, O_RDWR | O_NOCTTY | O_NDELAY);
- if (-1==(i = fcntl(TT.fd, F_GETFL, 0)) || fcntl(TT.fd, F_SETFL, i&~O_NDELAY))
- perror_exit_raw(*toys.optargs);
-
- // Set both input and output to raw mode.
- xraw(TT.fd, "fd", speed, &TT.original_fd_state);
- xraw(0, "stdin", 0, &TT.original_stdin_state);
- // ...and arrange to restore things, however we may exit.
- sigatexit(restore_states);
-
- fds[0].fd = TT.fd;
- fds[0].events = POLLIN;
- fds[1].fd = 0;
- fds[1].events = POLLIN;
-
- while (poll(fds, 2, -1) > 0) {
- char buf[BUFSIZ];
-
- // Read from connection, write to stdout.
- if (fds[0].revents) {
- ssize_t n = read(TT.fd, buf, sizeof(buf));
- if (n > 0) xwrite(0, buf, n);
- else break;
- }
-
- // Read from stdin, write to connection.
- if (fds[1].revents) {
- if (read(0, buf, 1) != 1) break;
- if (!(toys.optflags & FLAG_X)) {
- if (!*buf) {
- tcsendbreak(TT.fd, 0);
- continue;
- } else if (*buf == (']'-'@')) break;
- }
- xwrite(TT.fd, buf, 1);
- }
- }
-}