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authorAlec Berg <alecaberg@chromium.org>2014-08-11 16:21:41 +0000
committerPrathmesh Prabhu <pprabhu@chromium.org>2014-08-11 16:24:08 +0000
commitb2a426efaf7000ce6ed9074ef6c1000c694b82f6 (patch)
treef86920224fa6a07db69c5430df15f31e98833be9 /test/usb_pd.c
parent5ab558117d1953490140b20dea98fac30bbfff06 (diff)
downloadchrome-ec-b2a426efaf7000ce6ed9074ef6c1000c694b82f6.tar.gz
Revert "Add unit test for usb_pd"
This reverts commit 0739074fbf735cffefdac7ff6d086084449f6493. Change-Id: I1889138e5a8d5bc22d3bac2e48afe6378a59542a Reviewed-on: https://chromium-review.googlesource.com/211773 Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org> Tested-by: Prathmesh Prabhu <pprabhu@chromium.org>
Diffstat (limited to 'test/usb_pd.c')
-rw-r--r--test/usb_pd.c204
1 files changed, 0 insertions, 204 deletions
diff --git a/test/usb_pd.c b/test/usb_pd.c
deleted file mode 100644
index fd10d44840..0000000000
--- a/test/usb_pd.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/* Copyright 2014 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.
- *
- * Test USB PD module.
- */
-
-#include "common.h"
-#include "crc.h"
-#include "task.h"
-#include "test_util.h"
-#include "timer.h"
-#include "usb_pd.h"
-#include "usb_pd_config.h"
-#include "usb_pd_test_util.h"
-#include "util.h"
-
-struct pd_port_t {
- int host_mode;
- int cc_volt[2]; /* -1 for Hi-Z */
- int has_vbus;
- int msg_tx_id;
- int msg_rx_id;
- int polarity;
-} pd_port[PD_PORT_COUNT];
-
-/* Mock functions */
-
-int pd_adc_read(int port, int cc)
-{
- int val = pd_port[port].cc_volt[cc];
- if (val == -1)
- return pd_port[port].host_mode ? 3000 : 0;
- return val;
-}
-
-int pd_snk_is_vbus_provided(int port)
-{
- return pd_port[port].has_vbus;
-}
-
-void pd_set_host_mode(int port, int enable)
-{
- pd_port[port].host_mode = enable;
-}
-
-void pd_select_polarity(int port, int polarity)
-{
- pd_port[port].polarity = polarity;
-}
-
-/* Tests */
-
-void inc_tx_id(int port)
-{
- pd_port[port].msg_tx_id = (pd_port[port].msg_tx_id + 1) % 7;
-}
-
-void inc_rx_id(int port)
-{
- pd_port[port].msg_rx_id = (pd_port[port].msg_rx_id + 1) % 7;
-}
-
-static void init_ports(void)
-{
- int i;
-
- for (i = 0; i < PD_PORT_COUNT; ++i) {
- pd_port[i].host_mode = 0;
- pd_port[i].cc_volt[0] = pd_port[i].cc_volt[1] = -1;
- pd_port[i].has_vbus = 0;
- }
-}
-
-static void simulate_rx_msg(int port, uint16_t header, int cnt,
- const uint32_t *data)
-{
- int i;
-
- pd_test_rx_set_preamble(port, 1);
- pd_test_rx_msg_append_sop(port);
- pd_test_rx_msg_append_short(port, header);
-
- crc32_init();
- crc32_hash16(header);
- for (i = 0; i < cnt; ++i) {
- pd_test_rx_msg_append_word(port, data[i]);
- crc32_hash32(data[i]);
- }
- pd_test_rx_msg_append_word(port, crc32_result());
-
- pd_test_rx_msg_append_eop(port);
-
- pd_simulate_rx(port);
-}
-
-static void simulate_source_cap(int port)
-{
- uint16_t header = PD_HEADER(PD_DATA_SOURCE_CAP, PD_ROLE_SOURCE,
- pd_port[port].msg_rx_id, pd_src_pdo_cnt);
- simulate_rx_msg(port, header, pd_src_pdo_cnt, pd_src_pdo);
-}
-
-static void simulate_goodcrc(int port, int role, int id)
-{
- simulate_rx_msg(port, PD_HEADER(PD_CTRL_GOOD_CRC, role, id, 0),
- 0, NULL);
-}
-
-static int verify_goodcrc(int port, int role, int id)
-{
- return pd_test_tx_msg_verify_sop(0) &&
- pd_test_tx_msg_verify_short(0, PD_HEADER(PD_CTRL_GOOD_CRC,
- role, id, 0)) &&
- pd_test_tx_msg_verify_crc(0) &&
- pd_test_tx_msg_verify_eop(0);
-}
-
-static void plug_in_source(int port, int polarity)
-{
- pd_port[port].has_vbus = 1;
- pd_port[port].cc_volt[polarity] = 3000;
-}
-
-static void plug_in_sink(int port, int polarity)
-{
- pd_port[port].has_vbus = 0;
- pd_port[port].cc_volt[polarity] = 0;
-}
-
-static void unplug(int port)
-{
- pd_port[port].has_vbus = 0;
- pd_port[port].cc_volt[0] = -1;
- pd_port[port].cc_volt[1] = -1;
- task_wake(PORT_TO_TASK_ID(port));
- usleep(30 * MSEC);
-}
-
-static int test_request(void)
-{
- plug_in_source(0, 0);
- task_wake(PORT_TO_TASK_ID(0));
- usleep(30 * MSEC);
- TEST_ASSERT(pd_port[0].polarity == 0);
-
- simulate_source_cap(0);
- task_wait_event(3 * MSEC);
- TEST_ASSERT(verify_goodcrc(0, PD_ROLE_SINK, pd_port[0].msg_rx_id));
- task_wake(PORT_TO_TASK_ID(0));
- task_wait_event(35 * MSEC); /* tSenderResponse: 24~30 ms */
- inc_rx_id(0);
-
- /* Process the request */
- TEST_ASSERT(pd_test_tx_msg_verify_sop(0));
- TEST_ASSERT(pd_test_tx_msg_verify_short(0,
- PD_HEADER(PD_DATA_REQUEST, PD_ROLE_SINK,
- pd_port[0].msg_tx_id, 1)));
- TEST_ASSERT(pd_test_tx_msg_verify_word(0, RDO_FIXED(2, 450, 900, 0)));
- TEST_ASSERT(pd_test_tx_msg_verify_crc(0));
- TEST_ASSERT(pd_test_tx_msg_verify_eop(0));
- inc_tx_id(0);
- unplug(0);
- return EC_SUCCESS;
-}
-
-static int test_sink(void)
-{
- int i;
-
- plug_in_sink(1, 1);
- task_wake(PORT_TO_TASK_ID(1));
- task_wait_event(250 * MSEC); /* tTypeCSinkWaitCap: 210~250 ms */
- TEST_ASSERT(pd_port[1].polarity == 1);
-
- TEST_ASSERT(pd_test_tx_msg_verify_sop(1));
- TEST_ASSERT(pd_test_tx_msg_verify_short(1,
- PD_HEADER(PD_DATA_SOURCE_CAP, PD_ROLE_SOURCE,
- pd_port[1].msg_tx_id, pd_src_pdo_cnt)));
- for (i = 0; i < pd_src_pdo_cnt; ++i)
- TEST_ASSERT(pd_test_tx_msg_verify_word(1, pd_src_pdo[i]));
- TEST_ASSERT(pd_test_tx_msg_verify_crc(1));
- TEST_ASSERT(pd_test_tx_msg_verify_eop(1));
-
- simulate_goodcrc(1, PD_ROLE_SINK, pd_port[1].msg_tx_id);
- task_wake(PORT_TO_TASK_ID(1));
- usleep(30 * MSEC);
- inc_tx_id(1);
-
- unplug(1);
- return EC_SUCCESS;
-}
-
-void run_test(void)
-{
- test_reset();
- init_ports();
- pd_set_dual_role(PD_DRP_TOGGLE_ON);
-
- RUN_TEST(test_request);
- RUN_TEST(test_sink);
-
- test_print_result();
-}