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author | Alec Berg <alecaberg@chromium.org> | 2014-08-11 16:21:41 +0000 |
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committer | Prathmesh Prabhu <pprabhu@chromium.org> | 2014-08-11 16:24:08 +0000 |
commit | b2a426efaf7000ce6ed9074ef6c1000c694b82f6 (patch) | |
tree | f86920224fa6a07db69c5430df15f31e98833be9 /test/usb_pd.c | |
parent | 5ab558117d1953490140b20dea98fac30bbfff06 (diff) | |
download | chrome-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.c | 204 |
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(); -} |