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Simplify the triple buffer implementation

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This commit is contained in:
Fred Sundvik
2016-02-21 00:44:25 +02:00
parent 4bb5733cdc
commit 8e2d70d11f
2 changed files with 36 additions and 28 deletions
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18
serial_link/tests/triple_buffered_object_tests.c
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@@ -77,4 +77,22 @@ Ensure(TripleBufferedObject, performs_another_write_in_the_middle_of_read) {
triple_buffer_actual_read(4, (triple_buffer_object_t*)&test_object, &dst);
triple_buffer_end_read(4, (triple_buffer_object_t*)&test_object);
assert_that(dst, is_equal_to(1));
triple_buffer_read(4, (triple_buffer_object_t*)&test_object, &dst);
assert_that(dst, is_equal_to(2));
}
Ensure(TripleBufferedObject, performs_two_writes_in_the_middle_of_read) {
uint32_t src = 1;
uint32_t dst;
triple_buffer_write(4, (triple_buffer_object_t*)&test_object, &src);
triple_buffer_begin_read(4, (triple_buffer_object_t*)&test_object);
src = 2;
triple_buffer_write(4, (triple_buffer_object_t*)&test_object, &src);
src = 3;
triple_buffer_write(4, (triple_buffer_object_t*)&test_object, &src);
triple_buffer_actual_read(4, (triple_buffer_object_t*)&test_object, &dst);
triple_buffer_end_read(4, (triple_buffer_object_t*)&test_object);
assert_that(dst, is_equal_to(1));
triple_buffer_read(4, (triple_buffer_object_t*)&test_object, &dst);
assert_that(dst, is_equal_to(3));
}