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tests/periph/uart: redo implementation of changing eol

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This commit is contained in:
Kees Bakker 2024-01-20 21:48:19 +01:00
parent e95211eb14
commit 790bd989f7
1 changed files with 23 additions and 24 deletions
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47
tests/periph/uart/main.c
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@ -59,16 +59,11 @@
#define STX 0x2
#endif
static enum {
NEWLINE_CR = 2,
NEWLINE_NL = 3,
NEWLINE_CRNL = 4,
} _line_end = NEWLINE_NL;
static const uint8_t newline[] = { '\r', '\n' };
static char *_endline = "\n";
static void _write_newline(uart_t dev)
{
uart_write(dev, &newline[_line_end & 1], _line_end >> 1);
uart_write(dev, (uint8_t *)_endline, strlen(_endline));
}
typedef struct {
@ -376,25 +371,27 @@ static int cmd_test(int argc, char **argv)
return 0;
}
static int cmd_newline(int argc, char **argv)
static int cmd_eol_cr(int argc, char **argv)
{
static const char *modes[] = {
"<CR>", "<NL>", "<CR><NL>"
};
(void)argc;
(void)argv;
_endline = "\r";
return 0;
}
if (argc > 1) {
int sel = atoi(argv[1]);
if (sel < 3) {
_line_end = sel + NEWLINE_CR;
}
}
for (unsigned i = 0; i < ARRAY_SIZE(modes); ++i) {
char selected = (unsigned)_line_end - NEWLINE_CR == i
? '>' : ' ';
printf("%c%u: %s\n", selected, i, modes[i]);
}
static int cmd_eol_lf(int argc, char **argv)
{
(void)argc;
(void)argv;
_endline = "\n";
return 0;
}
static int cmd_eol_crlf(int argc, char **argv)
{
(void)argc;
(void)argv;
_endline = "\r\n";
return 0;
}
@ -405,7 +402,9 @@ static const shell_command_t shell_commands[] = {
#endif
{ "send", "Send a string through given UART device", cmd_send },
{ "test", "Run an automated test on a UART with RX and TX connected", cmd_test },
{ "nl", "Set line ending", cmd_newline },
{ "eol_cr", "Set CR as the end-of-line for send", cmd_eol_cr },
{ "eol_crlf", "Set CRLF as the end-of-line for send", cmd_eol_crlf },
{ "eol_lf", "Set LF as the end-of-line for send (default)", cmd_eol_lf },
{ NULL, NULL, NULL }
};