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Merge pull request #530 from ourairquality/sysparam-editor-flushing

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sysparam editor: more stdout flushing.
This commit is contained in:
Ruslan V. Uss 2017-12-27 12:37:11 +05:00 committed by GitHub
commit 2d22be9bac
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 3 deletions
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16
examples/sysparam_editor/sysparam_editor.c
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@ -50,16 +50,25 @@ size_t tty_readline(char *buffer, size_t buf_size, bool echo) {
break; break;
} else if (c == '\b' || c == 0x7f) { } else if (c == '\b' || c == 0x7f) {
if (i) { if (i) {
if (echo) printf("\b \b"); if (echo) {
printf("\b \b");
fflush(stdout);
}
i--; i--;
} }
} else if (c < 0x20) { } else if (c < 0x20) {
/* Ignore other control characters */ /* Ignore other control characters */
} else if (i >= buf_size - 1) { } else if (i >= buf_size - 1) {
if (echo) putchar('\a'); if (echo) {
putchar('\a');
fflush(stdout);
}
} else { } else {
buffer[i++] = c; buffer[i++] = c;
if (echo) putchar(c); if (echo) {
putchar(c);
fflush(stdout);
}
} }
} }
@ -177,6 +186,7 @@ void sysparam_editor_task(void *pvParameters) {
} }
while (true) { while (true) {
printf("==> "); printf("==> ");
fflush(stdout);
len = tty_readline(cmd_buffer, CMD_BUF_SIZE, echo); len = tty_readline(cmd_buffer, CMD_BUF_SIZE, echo);
status = 0; status = 0;
if (!len) continue; if (!len) continue;