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measure the time over a longer range

pull/6225/head
Shrikant Tudavekar 2018-02-26 18:03:08 -06:00
parent 3d37d819e9
commit efe4600cee
1 changed files with 3 additions and 3 deletions
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6
TESTS/mbed_hal/flash/functional_tests/main.cpp
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@ -27,8 +27,8 @@
using namespace utest::v1; using namespace utest::v1;
#define TEST_CYCLES 1000000 #define TEST_CYCLES 10000000
#define ALLOWED_DRIFT_PPM 5000 //0.5% #define ALLOWED_DRIFT_PPM (1000000/5000) //0.5%
/* /*
return values to be checked are documented at: return values to be checked are documented at:
@ -269,7 +269,7 @@ void flash_buffer_alignment_test()
void flash_clock_and_cache_test() void flash_clock_and_cache_test()
{ {
const int timer_diff_end = time_cpu_cycles(TEST_CYCLES); const int timer_diff_end = time_cpu_cycles(TEST_CYCLES);
const int acceptable_range = timer_diff_start / (1000000 / ALLOWED_DRIFT_PPM); const int acceptable_range = timer_diff_start / (ALLOWED_DRIFT_PPM);
TEST_ASSERT_UINT32_WITHIN(acceptable_range, timer_diff_start, timer_diff_end); TEST_ASSERT_UINT32_WITHIN(acceptable_range, timer_diff_start, timer_diff_end);
} }