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testing/drivers: uart device open should use cfmakeraw to ensure raw. #3230

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Merged
xiaoxiang781216 merged 1 commit into from
Dec 1, 2025
Merged

testing/drivers: uart device open should use cfmakeraw to ensure raw. #3230

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20 changes: 20 additions & 0 deletions testing/drivers/drivertest/drivertest_uart.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <cmocka.h>
Expand Down Expand Up @@ -70,6 +71,7 @@ struct test_confs_s
struct test_state_s
{
FAR const char *dev_path;
struct termios devtio; /* Original serial port setting */
FAR char *buffer;
int fd;
};
Expand Down Expand Up @@ -170,6 +172,8 @@ static int setup(FAR void **state)
{
FAR struct test_confs_s *confs = (FAR struct test_confs_s *)*state;
FAR struct test_state_s *test_state = malloc(sizeof(struct test_state_s));
struct termios ti;
int ret = 0;
assert_true(test_state != NULL);

test_state->dev_path = confs->dev_path;
Expand All @@ -180,6 +184,16 @@ static int setup(FAR void **state)
test_state->fd = open(test_state->dev_path, O_RDWR);
assert_true(test_state->fd > 0);

ret = tcgetattr(test_state->fd, &ti);
assert_int_equal(ret, OK);

/* Backup and enable data to be processed as raw input */

memcpy(&test_state->devtio, &ti, sizeof(struct termios));
cfmakeraw(&ti);
ret = tcsetattr(test_state->fd, TCSANOW, &ti);
assert_int_equal(ret, OK);

*state = test_state;
return 0;
}
Expand All @@ -191,6 +205,12 @@ static int setup(FAR void **state)
static int teardown(FAR void **state)
{
FAR struct test_state_s *test_state = (FAR struct test_state_s *)*state;
int ret = 0;

/* Retrieve termios updated flags */

ret = tcsetattr(test_state->fd, TCSANOW, &test_state->devtio);
assert_int_equal(ret, OK);

free(test_state->buffer);
assert_int_equal(close(test_state->fd), 0);
Expand Down
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