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Merge pull request #20128 from benpicco/tests/periph/uart-nl

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tests/periph/uart: allow to set line ending
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benpicco 2023-12-13 22:11:54 +00:00 committed by GitHub
commit 690efb2655
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1 changed files with 36 additions and 2 deletions
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38
tests/periph/uart/main.c
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@ -59,6 +59,18 @@
#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 void _write_newline(uart_t dev)
{
uart_write(dev, &newline[_line_end & 1], _line_end >> 1);
}
typedef struct {
char rx_mem[UART_BUFSIZE];
ringbuffer_t rx_buf;
@ -315,7 +327,6 @@ static int cmd_mode(int argc, char **argv)
static int cmd_send(int argc, char **argv)
{
int dev;
uint8_t endline = (uint8_t)'\n';
if (argc < 3) {
printf("usage: %s <dev> <data (string)>\n", argv[0]);
@ -329,7 +340,7 @@ static int cmd_send(int argc, char **argv)
printf("UART_DEV(%i) TX: %s\n", dev, argv[2]);
uart_write(UART_DEV(dev), (uint8_t *)argv[2], strlen(argv[2]));
uart_write(UART_DEV(dev), &endline, 1);
_write_newline(UART_DEV(dev));
return 0;
}
@ -361,6 +372,28 @@ static int cmd_test(int argc, char **argv)
return 0;
}
static int cmd_newline(int argc, char **argv)
{
static const char *modes[] = {
"<CR>", "<NL>", "<CR><NL>"
};
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]);
}
return 0;
}
static const shell_command_t shell_commands[] = {
{ "init", "Initialize a UART device with a given baudrate", cmd_init },
#ifdef MODULE_PERIPH_UART_MODECFG
@ -368,6 +401,7 @@ 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 },
{ NULL, NULL, NULL }
};