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Working triple buffering

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This commit is contained in:
Fred Sundvik
2016-02-21 01:07:44 +02:00
parent 8e2d70d11f
commit b7059d35f9
4 changed files with 74 additions and 10 deletions
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8
serial_link/tests/triple_buffered_object_tests.c
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@ -47,6 +47,12 @@ Ensure(TripleBufferedObject, writes_and_reads_object) {
assert_that(dst, is_equal_to(src));
}
Ensure(TripleBufferedObject, does_not_read_empty) {
uint32_t dst;
bool res = triple_buffer_read(4, (triple_buffer_object_t*)&test_object, &dst);
assert_that(res, is_equal_to(false));
}
Ensure(TripleBufferedObject, writes_and_reads_object_decomposed) {
uint32_t src = 0x3456ABCC;
uint32_t dst;
@ -79,6 +85,7 @@ Ensure(TripleBufferedObject, performs_another_write_in_the_middle_of_read) {
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));
assert_that(triple_buffer_read(4, (triple_buffer_object_t*)&test_object, &dst), is_equal_to(false));
}
Ensure(TripleBufferedObject, performs_two_writes_in_the_middle_of_read) {
@ -95,4 +102,5 @@ Ensure(TripleBufferedObject, performs_two_writes_in_the_middle_of_read) {
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));
assert_that(triple_buffer_read(4, (triple_buffer_object_t*)&test_object, &dst), is_equal_to(false));
}