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samples/spi: Add a quick test for spi_release() API function

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Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2017-05-10 14:15:36 +02:00 • committed by Anas Nashif
commit 0938ccbbc1
1 changed files with 26 additions and 1 deletions
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27
samples/drivers/spi/src/spi.c
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@ -103,7 +103,7 @@ static int spi_complete_loop(struct spi_config *spi_conf)
ret = spi_transceive(spi_conf, tx_bufs, rx_bufs);
if (ret) {
SYS_LOG_ERR("Code %d", ret);
return -1;
return ret;
}
if (memcmp(buffer_tx, buffer_rx, BUF_SIZE)) {
@ -286,6 +286,27 @@ static int spi_async_call(struct spi_config *spi_conf)
return 0;
}
static int spi_ressource_lock_test(struct spi_config *spi_conf_lock,
struct spi_config *spi_conf_try)
{
spi_conf_lock->operation |= SPI_LOCK_ON;
if (spi_complete_loop(spi_conf_lock)) {
return -1;
}
if (spi_release(spi_conf_lock)) {
SYS_LOG_ERR("Deadlock now?");
return -1;
}
if (spi_complete_loop(spi_conf_try)) {
return -1;
}
return 0;
}
void main(void)
{
struct k_thread async_thread;
@ -327,6 +348,10 @@ void main(void)
goto end;
}
if (spi_ressource_lock_test(&spi_slow, &spi_fast)) {
goto end;
}
SYS_LOG_INF("All tx/rx passed");
end:
k_thread_cancel(async_thread_id);