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FUNCTION "TIMEDIFF" : TIME
TITLE = Compute TIME0 minus TIME1
VAR_INPUT
TIME0 : TIME;
TIME1 : TIME;
END_VAR
BEGIN
L #TIME0
L #TIME1
-D
UD DW#16#7FFFFFFF
T #RET_VAL
END_FUNCTION
FUNCTION "UPDATE_TIME" : VOID
BEGIN
CALL "TIME_TCK" (
RET_VAL := "TIME",
)
END_FUNCTION
ORGANIZATION_BLOCK OB 1
BEGIN
M001: CALL "UPDATE_TIME"
// Check 0.1s trigger time
U "CLOCK_0.1s"
FN "CLOCK_0.1s_EDGE"
SPBN M010
CALL "TIMEDIFF" (
TIME0 := "TIME",
TIME1 := "STAMP_0.1s",
RET_VAL := "DIFF",
)
L "DIFF"
__ASSERT>= __ACCU 1, T#50ms
__ASSERT<= __ACCU 1, T#150ms
L "TIME"
T "STAMP_0.1s"
L "COUNT_0.1s"
+ 1
T "COUNT_0.1s"
// Check 0.2s trigger time
M010: U "CLOCK_0.2s"
FN "CLOCK_0.2s_EDGE"
SPBN M020
CALL "TIMEDIFF" (
TIME0 := "TIME",
TIME1 := "STAMP_0.2s",
RET_VAL := "DIFF",
)
L "DIFF"
__ASSERT>= __ACCU 1, T#150ms
__ASSERT<= __ACCU 1, T#250ms
L "TIME"
T "STAMP_0.2s"
L "COUNT_0.2s"
+ 1
T "COUNT_0.2s"
// Check 0.4s trigger time
M020: U "CLOCK_0.4s"
FN "CLOCK_0.4s_EDGE"
SPBN M030
CALL "TIMEDIFF" (
TIME0 := "TIME",
TIME1 := "STAMP_0.4s",
RET_VAL := "DIFF",
)
L "DIFF"
__ASSERT>= __ACCU 1, T#350ms
__ASSERT<= __ACCU 1, T#450ms
L "TIME"
T "STAMP_0.4s"
L "COUNT_0.4s"
+ 1
T "COUNT_0.4s"
// Check 0.5s trigger time
M030: U "CLOCK_0.5s"
FN "CLOCK_0.5s_EDGE"
SPBN M040
CALL "TIMEDIFF" (
TIME0 := "TIME",
TIME1 := "STAMP_0.5s",
RET_VAL := "DIFF",
)
L "DIFF"
__ASSERT>= __ACCU 1, T#450ms
__ASSERT<= __ACCU 1, T#550ms
L "TIME"
T "STAMP_0.5s"
L "COUNT_0.5s"
+ 1
T "COUNT_0.5s"
// Check 0.8s trigger time
M040: U "CLOCK_0.8s"
FN "CLOCK_0.8s_EDGE"
SPBN M050
CALL "TIMEDIFF" (
TIME0 := "TIME",
TIME1 := "STAMP_0.8s",
RET_VAL := "DIFF",
)
L "DIFF"
__ASSERT>= __ACCU 1, T#750ms
__ASSERT<= __ACCU 1, T#850ms
L "TIME"
T "STAMP_0.8s"
L "COUNT_0.8s"
+ 1
T "COUNT_0.8s"
// Check 1.0s trigger time
M050: U "CLOCK_1.0s"
FN "CLOCK_1.0s_EDGE"
SPBN M060
CALL "TIMEDIFF" (
TIME0 := "TIME",
TIME1 := "STAMP_1.0s",
RET_VAL := "DIFF",
)
L "DIFF"
__ASSERT>= __ACCU 1, T#950ms
__ASSERT<= __ACCU 1, T#1s50ms
L "TIME"
T "STAMP_1.0s"
L "COUNT_1.0s"
+ 1
T "COUNT_1.0s"
// Check 1.6s trigger time
M060: U "CLOCK_1.6s"
FN "CLOCK_1.6s_EDGE"
SPBN M070
CALL "TIMEDIFF" (
TIME0 := "TIME",
TIME1 := "STAMP_1.6s",
RET_VAL := "DIFF",
)
L "DIFF"
__ASSERT>= __ACCU 1, T#1s550ms
__ASSERT<= __ACCU 1, T#1s650ms
L "TIME"
T "STAMP_1.6s"
L "COUNT_1.6s"
+ 1
T "COUNT_1.6s"
// Check 2.0s trigger time
M070: U "CLOCK_2.0s"
FN "CLOCK_2.0s_EDGE"
SPBN M080
CALL "TIMEDIFF" (
TIME0 := "TIME",
TIME1 := "STAMP_2.0s",
RET_VAL := "DIFF",
)
L "DIFF"
__ASSERT>= __ACCU 1, T#1s950ms
__ASSERT<= __ACCU 1, T#2s50ms
L "TIME"
T "STAMP_2.0s"
L "COUNT_2.0s"
+ 1
T "COUNT_2.0s"
// Stop test, if test time complete
M080: CALL "TIMEDIFF" (
TIME0 := "TIME",
TIME1 := "START_TIME",
RET_VAL := "DIFF",
)
L "DIFF"
L T#4s50ms
<D
BEB // Not completed, yet
// Completed. Check trigger counts.
L "COUNT_0.1s"
__ASSERT== __ACCU 1, 40
L "COUNT_0.2s"
__ASSERT== __ACCU 1, 20
L "COUNT_0.4s"
__ASSERT== __ACCU 1, 10
L "COUNT_0.5s"
__ASSERT== __ACCU 1, 8
L "COUNT_0.8s"
__ASSERT== __ACCU 1, 5
L "COUNT_1.0s"
__ASSERT== __ACCU 1, 4
L "COUNT_1.6s"
__ASSERT== __ACCU 1, 2
L "COUNT_2.0s"
__ASSERT== __ACCU 1, 2
// Everything is ok. Abort the test.
CALL "STP" // Stop CPU
END_ORGANIZATION_BLOCK
ORGANIZATION_BLOCK OB 100
BEGIN
CALL "UPDATE_TIME"
L "TIME"
T "STAMP_0.1s"
T "STAMP_0.2s"
T "STAMP_0.4s"
T "STAMP_0.5s"
T "STAMP_0.8s"
T "STAMP_1.0s"
T "STAMP_1.6s"
T "STAMP_2.0s"
T "START_TIME"
END_ORGANIZATION_BLOCK
|
