fingerprint: Add test that reads hwid

BUG=b:157576189
BRANCH=none
TEST=make buildall -j,
     Using dragonclaw v0.2 and servo_micro:
     ./test/run_device_test.py -t fpsensor_hw
     --flasher=servo_micro,
     Using icetower and servo_micro:
     ./test/run_device_test.py -t fpsensor_wh
     --flasher=servo_micro --board dartmonkey;
     note: the testrunner hung after printing Test
     "fpsensor_hw": PASSED, but this hang seems
     unrelated

Cq-Depend: chromium:2872432
Change-Id: I2a3b31776cd40d7f0b422f4845869953b8f07249
Signed-off-by: Kevin Shelton <kmshelton@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2314101
Reviewed-by: Tom Hughes <tomhughes@chromium.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/test/fpsensor_hw.c b/test/fpsensor_hw.c
new file mode 100644
index 0000000000..1ca4a9f505
--- /dev/null
+++ b/test/fpsensor_hw.c
@@ -0,0 +1,27 @@
+/* Copyright 2021 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "common.h"
+#include "test_util.h"
+#include "fpc_private.h"
+
+/* Hardware-dependent smoke test that makes a SPI transaction with the
+ * fingerprint sensor.
+ */
+test_static int test_fp_check_hwid(void)
+{
+	/* TODO(b/187134801): modify fpc_check_hwid() to return the hwid. */
+	if (IS_ENABLED(SECTION_IS_RW))
+		TEST_EQ(fpc_check_hwid(), EC_SUCCESS, "%d");
+
+	return EC_SUCCESS;
+}
+
+
+void run_test(int argc, char **argv)
+{
+	RUN_TEST(test_fp_check_hwid);
+	test_print_result();
+}