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drivertest_uart: uart device open should use cfmakeraw to ensure raw.

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reference: https://www.man7.org/linux/man-pages/man3/termios.3.html

Signed-off-by: buxiasen <buxiasen@xiaomi.com>
This commit is contained in:
buxiasen 2024-10-22 19:44:36 +08:00 • committed by Xiang Xiao
parent 3bd8506ae8
commit 4ac0b10318
1 changed files with 20 additions and 0 deletions
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20
testing/drivers/drivertest/drivertest_uart.c
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@ -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>
@ -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;
};
@ -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;
@ -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;
}
@ -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);