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bes_labs_2019
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Commit
605e8ed3
authored
Mar 12, 2019
by
vielex
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Final version
parent
3ca637f2
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1 changed file
with
5 additions
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4 deletions
Labware/Lab9_FunctionalDebugging/main.c
Labware/Lab9_FunctionalDebugging/main.c
View file @
605e8ed3
...
@@ -90,7 +90,8 @@ int main(void){ unsigned long i,last,now;
...
@@ -90,7 +90,8 @@ int main(void){ unsigned long i,last,now;
last
=
NVIC_ST_CURRENT_R
;
last
=
NVIC_ST_CURRENT_R
;
EnableInterrupts
();
// enable interrupts for the grader
EnableInterrupts
();
// enable interrupts for the grader
while
(
1
){
while
(
1
){
if
(
!
(
GPIO_PORTF_DATA_R
&
0x01
)
||
!
(
GPIO_PORTF_DATA_R
&
0x10
)){
// PF0 or PF4
//either PF4 or PF0 is 0
if
(
!
(
GPIO_PORTF_DATA_R
&
0x01
)
||
!
(
GPIO_PORTF_DATA_R
&
0x10
)){
Led
=
GPIO_PORTF_DATA_R
;
// read previous
Led
=
GPIO_PORTF_DATA_R
;
// read previous
Led
=
Led
^
0x02
;
// toggle red LED
Led
=
Led
^
0x02
;
// toggle red LED
GPIO_PORTF_DATA_R
=
Led
;
// output
GPIO_PORTF_DATA_R
=
Led
;
// output
...
@@ -100,11 +101,11 @@ int main(void){ unsigned long i,last,now;
...
@@ -100,11 +101,11 @@ int main(void){ unsigned long i,last,now;
//disable LED if nothing is pressed
//disable LED if nothing is pressed
GPIO_PORTF_DATA_R
&=~
0x02
;
GPIO_PORTF_DATA_R
&=~
0x02
;
}
}
if
(
i
<
50
&&
changed
){
if
(
i
<
50
){
changed
=
false
;
now
=
NVIC_ST_CURRENT_R
;
now
=
NVIC_ST_CURRENT_R
;
Time
[
i
]
=
(
last
-
now
)
&
0x00FFFFFF
;
// 24-bit time difference
Time
[
i
]
=
(
last
-
now
)
&
0x00FFFFFF
;
// 24-bit time difference
Data
[
i
]
=
GPIO_PORTF_DATA_R
&
0x
02
;
// record PF1
Data
[
i
]
=
GPIO_PORTF_DATA_R
&
0x
13
;
// record PF4,1,0
last
=
now
;
last
=
now
;
i
++
;
i
++
;
}
}
...
...
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