TCPMv2: Compliance Unit Test - TD.PD.SRC.E5

BUG=none
BRANCH=none
TEST=make buildall

Signed-off-by: Denis Brockus <dbrockus@google.com>
Change-Id: Ie6e66859e5775145007dac331d3d66fec6f91e42
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2606583
Tested-by: Denis Brockus <dbrockus@chromium.org>
Commit-Queue: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Keith Short <keithshort@chromium.org>
Auto-Submit: Denis Brockus <dbrockus@chromium.org>

1 files changed, 71 insertions, 0 deletions

diff --git a/test/usb_tcpmv2_td_pd_src_e5.c b/test/usb_tcpmv2_td_pd_src_e5.c
new file mode 100644
index 0000000000..62c316ba9d
--- /dev/null
+++ b/test/usb_tcpmv2_td_pd_src_e5.c
@@ -0,0 +1,71 @@
+/* Copyright 2020 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 "mock/tcpci_i2c_mock.h"
+#include "task.h"
+#include "tcpci.h"
+#include "test_util.h"
+#include "timer.h"
+#include "usb_tcpmv2_compliance.h"
+#include "usb_tc_sm.h"
+
+/*****************************************************************************
+ * TD.PD.SRC.E5 SenderResponseTimer Timeout - Request
+ *
+ * Description:
+ *	As Consumer (UFP), the Tester intentionally does not send the Request
+ *	message, which is intended to cause a SenderResponseTimer timeout on
+ *	the Provider (DFP, UUT). The Tester verifies correct implementation
+ *	of this timer
+ */
+int test_td_pd_src_e5(void)
+{
+	partner_set_pd_rev(PD_REV20);
+
+	TEST_EQ(tcpci_startup(), EC_SUCCESS, "%d");
+
+	/*
+	 * a) Run PROC.PD.E1 Bring-up according to the UUT role.
+	 *
+	 * NOTE: Calling PROC.PD.E1 with INITIAL_ATTACH will stop just before
+	 * the PD_DATA_SOURCE_CAP is verified.  We need to stop the process
+	 * there to stop the REQUEST message.
+	 */
+	TEST_EQ(proc_pd_e1(PD_ROLE_DFP, INITIAL_ATTACH), EC_SUCCESS, "%d");
+
+	/*
+	 * b) Upon receipt of the Source Capabilities message from the
+	 *    Provider, the Tester replies with a GoodCRC message.
+	 */
+	TEST_EQ(verify_tcpci_transmit(TCPC_TX_SOP, 0, PD_DATA_SOURCE_CAP),
+		EC_SUCCESS, "%d");
+	mock_set_alert(TCPC_REG_ALERT_TX_SUCCESS);
+
+	/*
+	 * c) The Tester intentionally does not send a Request message and
+	 *    waits for a Hard Reset.
+	 */
+
+	/*
+	 * d) If a Hard Reset is not detected within 30 ms from the time the
+	 *    last bit of the GoodCRC message EOP has been sent, the test
+	 *    fails.
+	 * e) If a Hard Reset is detected before 24 ms from the time the
+	 *    last bit of the GoodCRC message EOP has been sent, the test
+	 *    fails.
+	 */
+	task_wait_event(24 * MSEC);
+	TEST_NE(mock_tcpci_get_reg(TCPC_REG_TRANSMIT),
+		TCPC_TX_HARD_RESET, "%d");
+
+	task_wait_event(7 * MSEC);
+	TEST_EQ(mock_tcpci_get_reg(TCPC_REG_TRANSMIT),
+		TCPC_TX_HARD_RESET, "%d");
+	mock_set_alert(TCPC_REG_ALERT_TX_SUCCESS | TCPC_REG_ALERT_TX_FAILED);
+	mock_tcpci_set_reg(TCPC_REG_TRANSMIT, 0);
+	task_wait_event(1 * MSEC);
+
+	return EC_SUCCESS;
+}