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C2: Add termination group support

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This commit is contained in:
David Rebbe
2026-07-07 21:25:23 -04:00
committed by Kyle Schwarz
parent 743246e813
commit d708f8081a
9 changed files with 313 additions and 1 deletions
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test/unit/icsneoc2.cpp
+65
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@@ -261,6 +261,13 @@ TEST(icsneoc2, test_icsneoc2_error_invalid_parameters_and_invalid_device)
ASSERT_EQ(icsneoc2_error_invalid_parameters, icsneoc2_settings_termination_can_enable(NULL, 0, &placeholderBool));
ASSERT_EQ(icsneoc2_error_invalid_parameters, icsneoc2_settings_termination_is_enabled(NULL, 0, &placeholderBool));
ASSERT_EQ(icsneoc2_error_invalid_parameters, icsneoc2_settings_termination_set(NULL, 0, false));
{
icsneoc2_termination_group_t* placeholderGroups = nullptr;
ASSERT_EQ(icsneoc2_error_invalid_parameters, icsneoc2_settings_termination_groups_enumerate(NULL, &placeholderGroups, &placeholderSizeT));
ASSERT_EQ(icsneoc2_error_invalid_parameters, icsneoc2_termination_group_networks_get(NULL, NULL, &placeholderSizeT));
ASSERT_EQ(icsneoc2_error_invalid_parameters, icsneoc2_settings_termination_groups_free(NULL));
ASSERT_EQ(nullptr, icsneoc2_termination_group_next(NULL));
}
ASSERT_EQ(icsneoc2_error_invalid_parameters, icsneoc2_settings_commander_resistor_enabled(NULL, 0, &placeholderBool));
ASSERT_EQ(icsneoc2_error_invalid_parameters, icsneoc2_settings_commander_resistor_set(NULL, 0, false));
ASSERT_EQ(icsneoc2_error_invalid_parameters, icsneoc2_settings_lin_mode_get(NULL, 0, &placeholderLinMode));
@@ -1143,6 +1150,64 @@ TEST(icsneoc2, test_icsneoc2_chip_versions_free_list)
ASSERT_EQ(icsneoc2_error_success, icsneoc2_chip_versions_free(head));
}
TEST(icsneoc2, test_icsneoc2_termination_group_walk_and_networks)
{
// Build an in-memory list of two termination groups:
// group A: { DWCAN_01, DWCAN_02 }
// group B: { DWCAN_03 }
icsneoc2_termination_group_t second{};
second.netids = { icsneoc2_netid_dwcan_03 };
second.next = nullptr;
icsneoc2_termination_group_t first{};
first.netids = { icsneoc2_netid_dwcan_01, icsneoc2_netid_dwcan_02 };
first.next = &second;
// next() walks the list
ASSERT_EQ(&second, icsneoc2_termination_group_next(&first));
ASSERT_EQ(nullptr, icsneoc2_termination_group_next(&second));
// networks_get with NULL buffer reports the required count
size_t count = 0;
ASSERT_EQ(icsneoc2_error_success, icsneoc2_termination_group_networks_get(&first, NULL, &count));
ASSERT_EQ(count, 2u);
// networks_get fills the buffer and updates count
icsneoc2_netid_t netids[2] = {0, 0};
count = 2;
ASSERT_EQ(icsneoc2_error_success, icsneoc2_termination_group_networks_get(&first, netids, &count));
ASSERT_EQ(count, 2u);
ASSERT_EQ(netids[0], icsneoc2_netid_dwcan_01);
ASSERT_EQ(netids[1], icsneoc2_netid_dwcan_02);
// second group has a single network
count = 0;
ASSERT_EQ(icsneoc2_error_success, icsneoc2_termination_group_networks_get(&second, NULL, &count));
ASSERT_EQ(count, 1u);
// a buffer smaller than the group truncates to capacity
icsneoc2_netid_t one[1] = {0};
count = 1;
ASSERT_EQ(icsneoc2_error_success, icsneoc2_termination_group_networks_get(&first, one, &count));
ASSERT_EQ(count, 1u);
ASSERT_EQ(one[0], icsneoc2_netid_dwcan_01);
}
TEST(icsneoc2, test_icsneoc2_termination_groups_free_list)
{
// Allocate a two-node list the same way the API does, so free() walks and deletes it.
auto* head = new icsneoc2_termination_group_t{};
head->netids = { icsneoc2_netid_dwcan_01 };
head->next = new icsneoc2_termination_group_t{};
head->next->netids = { icsneoc2_netid_dwcan_02 };
head->next->next = nullptr;
ASSERT_EQ(icsneoc2_error_success, icsneoc2_settings_termination_groups_free(head));
// Freeing an empty (NULL) list returns invalid_parameters, matching chip_versions_free.
ASSERT_EQ(icsneoc2_error_invalid_parameters, icsneoc2_settings_termination_groups_free(nullptr));
}
TEST(icsneoc2, test_icsneoc2_open_options_default)
{
icsneoc2_open_options_t expected = ICSNEOC2_OPEN_OPTIONS_GO_ONLINE | ICSNEOC2_OPEN_OPTIONS_SYNC_RTC | ICSNEOC2_OPEN_OPTIONS_ENABLE_AUTO_UPDATE;