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[nrf fromlist] tests: drivers: spi: extend error_cases test. #3380

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[nrf fromlist] tests: drivers: spi: extend error_cases test. #3380

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25 changes: 25 additions & 0 deletions tests/drivers/spi/spi_error_cases/src/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -221,6 +221,31 @@ ZTEST(spi_error_cases, test_spis_tx_buf_not_in_ram)
zassert_equal(slave_rv, -ENOTSUP, "Got %d instead", slave_rv);
}

ZTEST(spi_error_cases, test_no_configure_in_each_transceive)
{
int rv;
struct spi_dt_spec spim_valid = spim;
struct spi_dt_spec spim_invalid = spim;

/* configure device during first transceive with valid config */
rv = spi_transceive_dt(&spim_valid, tdata.stx_set, tdata.srx_set);
zassert_equal(rv, 0, "Got %d instead", rv);

/* change valid config frequency to invalid value */
spim_valid.config.frequency = 124999;

/* make sure device is not reconfigured because conf structure pointer is the same
* thus do not report error because of invalid frequency setting
*/
rv = spi_transceive_dt(&spim_valid, tdata.stx_set, tdata.srx_set);
zassert_equal(rv, 0, "Got %d instead", rv);

/* use different config structure - force reconfiguration and thus report error */
spim_invalid.config.frequency = 124999;
rv = spi_transceive_dt(&spim_invalid, tdata.stx_set, tdata.srx_set);
zassert_equal(rv, -EINVAL, "Got %d instead", rv);
}

static void before(void *not_used)
{
ARG_UNUSED(not_used);
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