diff options
Diffstat (limited to '')
-rw-r--r-- | testsuites/libtests/i2c01/init.c | 121 |
1 files changed, 120 insertions, 1 deletions
diff --git a/testsuites/libtests/i2c01/init.c b/testsuites/libtests/i2c01/init.c index 83027ed548..c71b78c275 100644 --- a/testsuites/libtests/i2c01/init.c +++ b/testsuites/libtests/i2c01/init.c @@ -336,6 +336,124 @@ static void test_simple_read_write(test_bus *bus, int fd) rtems_test_assert(memcmp(&buf[0], &abc[0], sizeof(buf)) == 0); } +typedef struct { + rtems_id caller; + int fd; +} bus_obtainer_ctx; + +static void bus_obtainer_task(rtems_task_argument arg) +{ + rtems_event_set e = 0; + bus_obtainer_ctx *c = (bus_obtainer_ctx *) arg; + int rv; + rtems_status_code sc; + + rv = ioctl(c->fd, I2C_BUS_OBTAIN); + rtems_test_assert(rv == 0); + + sc = rtems_event_send(c->caller, RTEMS_EVENT_1); + rtems_test_assert(sc == RTEMS_SUCCESSFUL); + sc = rtems_event_receive( + RTEMS_EVENT_1, + RTEMS_EVENT_ANY | RTEMS_WAIT, + 100, + &e + ); + rtems_test_assert(sc == RTEMS_SUCCESSFUL); + + rv = ioctl(c->fd, I2C_BUS_RELEASE); + rtems_test_assert(rv == 0); + + sc = rtems_event_send(c->caller, RTEMS_EVENT_1); + rtems_test_assert(sc == RTEMS_SUCCESSFUL); +} + +static void test_nonblock_read_write(test_bus *bus, int fd) +{ + int flags; + int rv; + char buf[3]; + ssize_t n; + i2c_msg msgs[] = {{ + .addr = 1, + .flags = I2C_M_STOP, + .len = sizeof(buf), + .buf = (uint8_t *) buf, + }}; + struct i2c_rdwr_ioctl_data payload = { + .msgs = msgs, + .nmsgs = sizeof(msgs)/sizeof(msgs[0]), + }; + rtems_id id; + rtems_event_set e = 0; + bus_obtainer_ctx ctx = { + .caller = rtems_task_self(), + .fd = fd, + }; + rtems_status_code sc; + + flags = fcntl(fd, F_GETFL, 0); + rtems_test_assert(flags > 0); + + rv = fcntl(fd, F_SETFL, flags | O_NONBLOCK); + rtems_test_assert(rv != -1); + + sc = rtems_task_create( + rtems_build_name('O', 'B', 'T', 'A'), + 2, + RTEMS_MINIMUM_STACK_SIZE, + RTEMS_DEFAULT_MODES, + RTEMS_DEFAULT_ATTRIBUTES, + &id + ); + rtems_test_assert(sc == RTEMS_SUCCESSFUL); + + sc = rtems_task_start( + id, + bus_obtainer_task, + (rtems_task_argument) &ctx + ); + rtems_test_assert(sc == RTEMS_SUCCESSFUL); + + sc = rtems_event_receive( + RTEMS_EVENT_1, + RTEMS_EVENT_ANY | RTEMS_WAIT, + 100, + &e + ); + rtems_test_assert(sc == RTEMS_SUCCESSFUL); + + errno = 0; + n = read(fd, &buf[0], sizeof(buf)); + rtems_test_assert(n == -1); + rtems_test_assert(errno == EAGAIN); + + errno = 0; + n = write(fd, &buf[0], sizeof(buf)); + rtems_test_assert(n == -1); + rtems_test_assert(errno == EAGAIN); + + errno = 0; + rv = ioctl(fd, I2C_RDWR, &payload); + rtems_test_assert(rv == -1); + rtems_test_assert(errno == EAGAIN); + + sc = rtems_event_send(id, RTEMS_EVENT_1); + rtems_test_assert(sc == RTEMS_SUCCESSFUL); + sc = rtems_event_receive( + RTEMS_EVENT_1, + RTEMS_EVENT_ANY | RTEMS_WAIT, + 100, + &e + ); + rtems_test_assert(sc == RTEMS_SUCCESSFUL); + sc = rtems_task_delete(id); + rtems_test_assert(sc == RTEMS_SUCCESSFUL); + + rv = fcntl(fd, F_SETFL, flags); + rtems_test_assert(rv != -1); +} + static void test_gpio_nxp_pca9535(void) { int rv; @@ -627,6 +745,7 @@ static void test(void) rtems_test_assert(bus->base.timeout == 0); test_simple_read_write(bus, fd); + test_nonblock_read_write(bus, fd); test_eeprom(bus); test_gpio_nxp_pca9535(); test_switch_nxp_pca9548a(); @@ -657,7 +776,7 @@ static void Init(rtems_task_argument arg) #define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 7 -#define CONFIGURE_MAXIMUM_TASKS 1 +#define CONFIGURE_MAXIMUM_TASKS 2 #define CONFIGURE_MAXIMUM_SEMAPHORES 1 |