@@ -3,7 +3,7 @@
if WITH_MANPAGES
-dist_man1_MANS = gpiodetect.man gpioinfo.man gpioget.man gpioset.man gpiofind.man gpiomon.man
+dist_man1_MANS = gpiodetect.man gpioinfo.man gpioget.man gpioset.man gpiomon.man
%.man: $(top_builddir)/tools/$(*F)
help2man $(top_builddir)/tools/$(*F) --include=$(srcdir)/template --output=$(builddir)/$@ --no-info
@@ -6,4 +6,3 @@ gpioinfo
gpioget
gpioset
gpiomon
-gpiofind
@@ -9,7 +9,7 @@ libtools_common_la_SOURCES = tools-common.c tools-common.h
LDADD = libtools-common.la $(top_builddir)/lib/libgpiod.la
-bin_PROGRAMS = gpiodetect gpioinfo gpioget gpioset gpiomon gpiofind
+bin_PROGRAMS = gpiodetect gpioinfo gpioget gpioset gpiomon
gpiodetect_SOURCES = gpiodetect.c
@@ -21,8 +21,6 @@ gpioset_SOURCES = gpioset.c
gpiomon_SOURCES = gpiomon.c
-gpiofind_SOURCES = gpiofind.c
-
EXTRA_DIST = gpio-tools-test gpio-tools-test.bats
if WITH_TESTS
@@ -220,896 +220,3 @@ teardown() {
gpiosim_cleanup
}
-#
-# gpiodetect test cases
-#
-
-@test "gpiodetect: list chips" {
- gpiosim_chip sim0 num_lines=4
- gpiosim_chip sim1 num_lines=8
- gpiosim_chip sim2 num_lines=16
-
- run_tool gpiodetect
-
- test "$status" -eq 0
- output_contains_line "$(gpiosim_chip_name sim0) [$(gpiosim_dev_name sim0)-node0] (4 lines)"
- output_contains_line "$(gpiosim_chip_name sim1) [$(gpiosim_dev_name sim1)-node0] (8 lines)"
- output_contains_line "$(gpiosim_chip_name sim2) [$(gpiosim_dev_name sim2)-node0] (16 lines)"
-}
-
-@test "gpiodetect: invalid args" {
- run_tool gpiodetect unimplemented-arg
- test "$status" -eq 1
-}
-
-#
-# gpioinfo test cases
-#
-
-@test "gpioinfo: dump all chips" {
- gpiosim_chip sim0 num_lines=4
- gpiosim_chip sim1 num_lines=8
-
- run_tool gpioinfo
-
- test "$status" -eq 0
- output_contains_line "$(gpiosim_chip_name sim0) - 4 lines:"
- output_contains_line "$(gpiosim_chip_name sim1) - 8 lines:"
-
- output_regex_match "\\s+line\\s+0:\\s+unnamed\\s+unused\\s+input\\s+active-high"
- output_regex_match "\\s+line\\s+7:\\s+unnamed\\s+unused\\s+input\\s+active-high"
-}
-
-@test "gpioinfo: dump all chips with one line exported" {
- gpiosim_chip sim0 num_lines=4
- gpiosim_chip sim1 num_lines=8
-
- coproc_run_tool gpioset --mode=signal --active-low "$(gpiosim_chip_name sim1)" 7=1
-
- run_tool gpioinfo
-
- test "$status" -eq 0
- output_contains_line "$(gpiosim_chip_name sim0) - 4 lines:"
- output_contains_line "$(gpiosim_chip_name sim1) - 8 lines:"
- output_regex_match "\\s+line\\s+0:\\s+unnamed\\s+unused\\s+input\\s+active-high"
- output_regex_match "\\s+line\\s+7:\\s+unnamed\\s+\\\"gpioset\\\"\\s+output\\s+active-low"
-
- coproc_tool_kill
- coproc_tool_wait
-}
-
-@test "gpioinfo: dump one chip" {
- gpiosim_chip sim0 num_lines=8
- gpiosim_chip sim1 num_lines=4
-
- run_tool gpioinfo "$(gpiosim_chip_name sim1)"
-
- test "$status" -eq 0
- assert_fail output_contains_line "$(gpiosim_chip_name sim0) - 8 lines:"
- output_contains_line "$(gpiosim_chip_name sim1) - 4 lines:"
- output_regex_match "\\s+line\\s+0:\\s+unnamed\\s+unused\\s+input\\s+active-high"
- assert_fail output_regex_match "\\s+line\\s+7:\\s+unnamed\\s+unused\\s+input\\s+active-high"
-}
-
-@test "gpioinfo: dump all but one chip" {
- gpiosim_chip sim0 num_lines=4
- gpiosim_chip sim1 num_lines=4
- gpiosim_chip sim2 num_lines=8
- gpiosim_chip sim3 num_lines=4
-
- run_tool gpioinfo "$(gpiosim_chip_name sim0)" \
- "$(gpiosim_chip_name sim1)" "$(gpiosim_chip_name sim3)"
-
- test "$status" -eq 0
- output_contains_line "$(gpiosim_chip_name sim0) - 4 lines:"
- output_contains_line "$(gpiosim_chip_name sim1) - 4 lines:"
- assert_fail output_contains_line "$(gpiosim_chip_name sim2) - 8 lines:"
- output_contains_line "$(gpiosim_chip_name sim3) - 4 lines:"
- output_regex_match "\\s+line\\s+0:\\s+unnamed\\s+unused\\s+input\\s+active-high"
- assert_fail output_regex_match "\\s+line\\s+7:\\s+unnamed\\s+unused\\s+input\\s+active-high"
-}
-
-@test "gpioinfo: inexistent chip" {
- run_tool gpioinfo "inexistent"
-
- test "$status" -eq 1
-}
-
-#
-# gpiofind test cases
-#
-
-@test "gpiofind: line found" {
- gpiosim_chip sim0 num_lines=4 line_name=1:foo line_name=3:bar
- gpiosim_chip sim1 num_lines=8 line_name=0:baz line_name=4:xyz line_name=7:foobar
- gpiosim_chip sim2 num_lines=16
-
- run_tool gpiofind foobar
-
- test "$status" -eq "0"
- test "$output" = "$(gpiosim_chip_name sim1) 7"
-}
-
-@test "gpiofind: line not found" {
- gpiosim_chip sim0 num_lines=4
- gpiosim_chip sim1 num_lines=8
- gpiosim_chip sim2 num_lines=16
-
- run_tool gpiofind nonexistent-line
-
- test "$status" -eq "1"
-}
-
-@test "gpiofind: invalid args" {
- run_tool gpiodetect unimplemented-arg
- test "$status" -eq 1
-}
-
-#
-# gpioget test cases
-#
-
-@test "gpioget: read all lines" {
- gpiosim_chip sim0 num_lines=8
-
- gpiosim_set_pull sim0 2 pull-up
- gpiosim_set_pull sim0 3 pull-up
- gpiosim_set_pull sim0 5 pull-up
- gpiosim_set_pull sim0 7 pull-up
-
- run_tool gpioget "$(gpiosim_chip_name sim0)" 0 1 2 3 4 5 6 7
-
- test "$status" -eq "0"
- test "$output" = "0 0 1 1 0 1 0 1"
-}
-
-@test "gpioget: read all lines (active-low)" {
- gpiosim_chip sim0 num_lines=8
-
- gpiosim_set_pull sim0 2 pull-up
- gpiosim_set_pull sim0 3 pull-up
- gpiosim_set_pull sim0 5 pull-up
- gpiosim_set_pull sim0 7 pull-up
-
- run_tool gpioget --active-low "$(gpiosim_chip_name sim0)" 0 1 2 3 4 5 6 7
-
- test "$status" -eq "0"
- test "$output" = "1 1 0 0 1 0 1 0"
-}
-
-@test "gpioget: read all lines (pull-up)" {
- gpiosim_chip sim0 num_lines=8
-
- gpiosim_set_pull sim0 2 pull-up
- gpiosim_set_pull sim0 3 pull-up
- gpiosim_set_pull sim0 5 pull-up
- gpiosim_set_pull sim0 7 pull-up
-
- run_tool gpioget --bias=pull-up "$(gpiosim_chip_name sim0)" 0 1 2 3 4 5 6 7
-
- test "$status" -eq "0"
- test "$output" = "1 1 1 1 1 1 1 1"
-}
-
-@test "gpioget: read all lines (pull-down)" {
- gpiosim_chip sim0 num_lines=8
-
- gpiosim_set_pull sim0 2 pull-up
- gpiosim_set_pull sim0 3 pull-up
- gpiosim_set_pull sim0 5 pull-up
- gpiosim_set_pull sim0 7 pull-up
-
- run_tool gpioget --bias=pull-down "$(gpiosim_chip_name sim0)" 0 1 2 3 4 5 6 7
-
- test "$status" -eq "0"
- test "$output" = "0 0 0 0 0 0 0 0"
-}
-
-@test "gpioget: read some lines" {
- gpiosim_chip sim0 num_lines=8
-
- gpiosim_set_pull sim0 1 pull-up
- gpiosim_set_pull sim0 4 pull-up
- gpiosim_set_pull sim0 6 pull-up
-
- run_tool gpioget "$(gpiosim_chip_name sim0)" 0 1 4 6
-
- test "$status" -eq "0"
- test "$output" = "0 1 1 1"
-}
-
-@test "gpioget: no arguments" {
- run_tool gpioget
-
- test "$status" -eq "1"
- output_regex_match ".*gpiochip must be specified"
-}
-
-@test "gpioget: no lines specified" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioget "$(gpiosim_chip_name sim0)"
-
- test "$status" -eq "1"
- output_regex_match ".*at least one GPIO line offset must be specified"
-}
-
-@test "gpioget: too many lines specified" {
- gpiosim_chip sim0 num_lines=4
-
- run_tool gpioget "$(gpiosim_chip_name sim0)" 0 1 2 3 4
-
- test "$status" -eq "1"
- output_regex_match ".*unable to request lines.*"
-}
-
-@test "gpioget: same line twice" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioget "$(gpiosim_chip_name sim0)" 0 0
-
- test "$status" -eq "1"
- output_regex_match ".*offsets must be unique"
-}
-
-@test "gpioget: invalid bias" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioget --bias=bad "$(gpiosim_chip_name sim0)" 0 1
-
- test "$status" -eq "1"
- output_regex_match ".*invalid bias.*"
-}
-
-#
-# gpioset test cases
-#
-
-@test "gpioset: set lines and wait for SIGTERM" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpioset --mode=signal "$(gpiosim_chip_name sim0)" \
- 0=0 1=0 2=1 3=1 4=1 5=1 6=0 7=1
-
- gpiosim_check_value sim0 0 0
- gpiosim_check_value sim0 1 0
- gpiosim_check_value sim0 2 1
- gpiosim_check_value sim0 3 1
- gpiosim_check_value sim0 4 1
- gpiosim_check_value sim0 5 1
- gpiosim_check_value sim0 6 0
- gpiosim_check_value sim0 7 1
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
-}
-
-@test "gpioset: set lines and wait for SIGTERM (active-low)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpioset --active-low --mode=signal "$(gpiosim_chip_name sim0)" \
- 0=0 1=0 2=1 3=1 4=1 5=1 6=0 7=1
-
- gpiosim_check_value sim0 0 1
- gpiosim_check_value sim0 1 1
- gpiosim_check_value sim0 2 0
- gpiosim_check_value sim0 3 0
- gpiosim_check_value sim0 4 0
- gpiosim_check_value sim0 5 0
- gpiosim_check_value sim0 6 1
- gpiosim_check_value sim0 7 0
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
-}
-
-@test "gpioset: set lines and wait for SIGTERM (push-pull)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpioset --drive=push-pull --mode=signal "$(gpiosim_chip_name sim0)" \
- 0=0 1=0 2=1 3=1 4=1 5=1 6=0 7=1
-
- gpiosim_check_value sim0 0 0
- gpiosim_check_value sim0 1 0
- gpiosim_check_value sim0 2 1
- gpiosim_check_value sim0 3 1
- gpiosim_check_value sim0 4 1
- gpiosim_check_value sim0 5 1
- gpiosim_check_value sim0 6 0
- gpiosim_check_value sim0 7 1
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
-}
-
-@test "gpioset: set lines and wait for SIGTERM (open-drain)" {
- gpiosim_chip sim0 num_lines=8
-
- gpiosim_set_pull sim0 2 pull-up
- gpiosim_set_pull sim0 3 pull-up
- gpiosim_set_pull sim0 5 pull-up
- gpiosim_set_pull sim0 7 pull-up
-
- coproc_run_tool gpioset --drive=open-drain --mode=signal "$(gpiosim_chip_name sim0)" \
- 0=0 1=0 2=1 3=1 4=1 5=1 6=0 7=1
-
- gpiosim_check_value sim0 0 0
- gpiosim_check_value sim0 1 0
- gpiosim_check_value sim0 2 1
- gpiosim_check_value sim0 3 1
- gpiosim_check_value sim0 4 0
- gpiosim_check_value sim0 5 1
- gpiosim_check_value sim0 6 0
- gpiosim_check_value sim0 7 1
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
-}
-
-@test "gpioset: set lines and wait for SIGTERM (open-source)" {
- gpiosim_chip sim0 num_lines=8
-
- gpiosim_set_pull sim0 2 pull-up
- gpiosim_set_pull sim0 3 pull-up
- gpiosim_set_pull sim0 5 pull-up
- gpiosim_set_pull sim0 7 pull-up
-
- coproc_run_tool gpioset --drive=open-source --mode=signal "$(gpiosim_chip_name sim0)" \
- 0=0 1=0 2=1 3=0 4=1 5=1 6=0 7=1
-
- gpiosim_check_value sim0 0 0
- gpiosim_check_value sim0 1 0
- gpiosim_check_value sim0 2 1
- gpiosim_check_value sim0 3 1
- gpiosim_check_value sim0 4 1
- gpiosim_check_value sim0 5 1
- gpiosim_check_value sim0 6 0
- gpiosim_check_value sim0 7 1
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
-}
-
-@test "gpioset: set some lines and wait for ENTER" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpioset --mode=wait "$(gpiosim_chip_name sim0)" \
- 1=0 2=1 5=1 6=0 7=1
-
- gpiosim_check_value sim0 1 0
- gpiosim_check_value sim0 2 1
- gpiosim_check_value sim0 5 1
- gpiosim_check_value sim0 6 0
- gpiosim_check_value sim0 7 1
-
- coproc_tool_stdin_write ""
- coproc_tool_wait
-
- test "$status" -eq "0"
-}
-
-@test "gpioset: set some lines and wait for SIGINT" {
- gpiosim_chip sim0 num_lines=4
-
- coproc_run_tool gpioset --mode=signal "$(gpiosim_chip_name sim0)" 0=1
-
- gpiosim_check_value sim0 0 1
-
- coproc_tool_kill -SIGINT
- coproc_tool_wait
-
- test "$status" -eq "0"
-}
-
-@test "gpioset: set some lines and wait with --mode=time" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpioset --mode=time --sec=1 --usec=200000 \
- "$(gpiosim_chip_name sim0)" 0=1 5=0 7=1
-
- gpiosim_check_value sim0 0 1
- gpiosim_check_value sim0 5 0
- gpiosim_check_value sim0 7 1
-
- coproc_tool_wait
-
- test "$status" -eq "0"
-}
-
-@test "gpioset: no arguments" {
- run_tool gpioset
-
- test "$status" -eq "1"
- output_regex_match ".*gpiochip must be specified"
-}
-
-@test "gpioset: no lines specified" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioset "$(gpiosim_chip_name sim1)"
-
- test "$status" -eq "1"
- output_regex_match ".*at least one GPIO line offset to value mapping must be specified"
-}
-
-@test "gpioset: too many lines specified" {
- gpiosim_chip sim0 num_lines=4
-
- run_tool gpioset "$(gpiosim_chip_name sim0)" 0=1 1=1 2=1 3=1 4=1 5=1
-
- test "$status" -eq "1"
- output_regex_match ".*unable to request lines.*"
-}
-
-@test "gpioset: use --sec without --mode=time" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioset --mode=exit --sec=1 "$(gpiosim_chip_name sim0)" 0=1
-
- test "$status" -eq "1"
- output_regex_match ".*can't specify wait time in this mode"
-}
-
-@test "gpioset: use --usec without --mode=time" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioset --mode=exit --usec=1 "$(gpiosim_chip_name sim1)" 0=1
-
- test "$status" -eq "1"
- output_regex_match ".*can't specify wait time in this mode"
-}
-
-@test "gpioset: default mode" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioset "$(gpiosim_chip_name sim0)" 0=1
-
- test "$status" -eq "0"
-}
-
-@test "gpioset: invalid mapping" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioset "$(gpiosim_chip_name sim1)" 0=c
-
- test "$status" -eq "1"
- output_regex_match ".*invalid offset<->value mapping"
-}
-
-@test "gpioset: invalid value" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioset "$(gpiosim_chip_name sim1)" 0=3
-
- test "$status" -eq "1"
- output_regex_match ".*value must be 0 or 1"
-}
-
-@test "gpioset: invalid offset" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioset "$(gpiosim_chip_name sim1)" 4000000000=0
-
- test "$status" -eq "1"
- output_regex_match ".*invalid offset"
-}
-
-@test "gpioset: invalid bias" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioset --bias=bad "$(gpiosim_chip_name sim1)" 0=1 1=1
-
- test "$status" -eq "1"
- output_regex_match ".*invalid bias.*"
-}
-
-@test "gpioset: invalid drive" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioset --drive=bad "$(gpiosim_chip_name sim1)" 0=1 1=1
-
- test "$status" -eq "1"
- output_regex_match ".*invalid drive.*"
-}
-
-@test "gpioset: daemonize in invalid mode" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioset --background "$(gpiosim_chip_name sim1)" 0=1
-
- test "$status" -eq "1"
- output_regex_match ".*can't daemonize in this mode"
-}
-
-@test "gpioset: same line twice" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpioset "$(gpiosim_chip_name sim0)" 0=1 0=1
-
- test "$status" -eq "1"
- output_regex_match ".*offsets must be unique"
-}
-
-#
-# gpiomon test cases
-#
-
-@test "gpiomon: single rising edge event" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon --rising-edge "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- output_regex_match \
-"event:\\s+RISING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[\s*[0-9]+\.[0-9]+\]"
-}
-
-@test "gpiomon: single falling edge event" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon --falling-edge "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- gpiosim_set_pull sim0 4 pull-down
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- output_regex_match \
-"event:\\s+FALLING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[\s*[0-9]+\.[0-9]+\]"
-}
-
-@test "gpiomon: single falling edge event (pull-up)" {
- gpiosim_chip sim0 num_lines=8
-
- gpiosim_set_pull sim0 4 pull-down
-
- coproc_run_tool gpiomon --bias=pull-up "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-down
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- output_regex_match \
-"event:\\s+FALLING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[\s*[0-9]+\.[0-9]+\]"
-}
-
-@test "gpiomon: single rising edge event (pull-down)" {
- gpiosim_chip sim0 num_lines=8
-
- gpiosim_set_pull sim0 4 pull-up
-
- coproc_run_tool gpiomon --bias=pull-down "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- output_regex_match \
-"event:\\s+RISING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[\s*[0-9]+\.[0-9]+\]"
-}
-
-@test "gpiomon: single rising edge event (active-low)" {
- gpiosim_chip sim0 num_lines=8
-
- gpiosim_set_pull sim0 4 pull-up
-
- coproc_run_tool gpiomon --rising-edge --active-low "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-down
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- output_regex_match \
-"event:\\s+RISING\\s+EDGE\\s+offset:\\s+4\\s+timestamp:\\s+\[\s*[0-9]+\.[0-9]+\]"
-}
-
-@test "gpiomon: single rising edge event (silent mode)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon --rising-edge --silent "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- test -z "$output"
-}
-
-@test "gpiomon: four alternating events" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon --num-events=4 "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
- gpiosim_set_pull sim0 4 pull-down
- sleep 0.2
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
- gpiosim_set_pull sim0 4 pull-down
- sleep 0.2
-
- coproc_tool_wait
-
- test "$status" -eq "0"
- output_regex_match \
-"event\\:\\s+FALLING\\s+EDGE\\s+offset\\:\\s+4\\s+timestamp:\\s+\\[\s*[0-9]+\\.[0-9]+\\]"
- output_regex_match \
-"event\\:\\s+RISING\\s+EDGE\\s+offset\\:\\s+4\\s+timestamp:\\s+\\[\s*[0-9]+\\.[0-9]+\\]"
-}
-
-@test "gpiomon: exit after SIGINT" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon "$(gpiosim_chip_name sim0)" 4
-
- coproc_tool_kill -SIGINT
- coproc_tool_wait
-
- test "$status" -eq "0"
- test -z "$output"
-}
-
-@test "gpiomon: exit after SIGTERM" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon "$(gpiosim_chip_name sim0)" 4
-
- coproc_tool_kill -SIGTERM
- coproc_tool_wait
-
- test "$status" -eq "0"
- test -z "$output"
-}
-
-@test "gpiomon: both event flags" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon --falling-edge --rising-edge "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
- gpiosim_set_pull sim0 4 pull-down
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- output_regex_match \
-"event\\:\\s+FALLING\\s+EDGE\\s+offset\\:\\s+4\\s+timestamp:\\s+\\[\s*[0-9]+\\.[0-9]+\\]"
- output_regex_match \
-"event\\:\\s+RISING\\s+EDGE\\s+offset\\:\\s+4\\s+timestamp:\\s+\\[\s*[0-9]+\\.[0-9]+\\]"
-}
-
-@test "gpiomon: watch multiple lines" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon --format=%o "$(gpiosim_chip_name sim0)" 1 2 3 4 5
-
- gpiosim_set_pull sim0 2 pull-up
- gpiosim_set_pull sim0 3 pull-up
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- test "${lines[0]}" = "2"
- test "${lines[1]}" = "3"
- test "${lines[2]}" = "4"
-}
-
-@test "gpiomon: watch multiple lines (lines in mixed-up order)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon --format=%o "$(gpiosim_chip_name sim0)" 5 2 7 1 6
-
- gpiosim_set_pull sim0 2 pull-up
- gpiosim_set_pull sim0 1 pull-up
- gpiosim_set_pull sim0 6 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- test "${lines[0]}" = "2"
- test "${lines[1]}" = "1"
- test "${lines[2]}" = "6"
-}
-
-@test "gpiomon: same line twice" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpiomon "$(gpiosim_chip_name sim0)" 0 0
-
- test "$status" -eq "1"
- output_regex_match ".*offsets must be unique"
-}
-
-@test "gpiomon: no arguments" {
- run_tool gpiomon
-
- test "$status" -eq "1"
- output_regex_match ".*gpiochip must be specified"
-}
-
-@test "gpiomon: line not specified" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpiomon "$(gpiosim_chip_name sim0)"
-
- test "$status" -eq "1"
- output_regex_match ".*GPIO line offset must be specified"
-}
-
-@test "gpiomon: line out of range" {
- gpiosim_chip sim0 num_lines=4
-
- run_tool gpiomon "$(gpiosim_chip_name sim0)" 5
-
- test "$status" -eq "1"
- output_regex_match ".*unable to request lines"
-}
-
-@test "gpiomon: invalid bias" {
- gpiosim_chip sim0 num_lines=8
-
- run_tool gpiomon --bias=bad "$(gpiosim_chip_name sim0)" 0 1
-
- test "$status" -eq "1"
- output_regex_match ".*invalid bias.*"
-}
-
-@test "gpiomon: custom format (event type + offset)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon "--format=%e %o" "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- test "$output" = "1 4"
-}
-
-@test "gpiomon: custom format (event type + offset joined)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon "--format=%e%o" "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- test "$output" = "14"
-}
-
-@test "gpiomon: custom format (timestamp)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon "--format=%e %o %s.%n" "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- output_regex_match "1 4 [0-9]+\\.[0-9]+"
-}
-
-@test "gpiomon: custom format (double percent sign)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon "--format=%%" "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- test "$output" = "%"
-}
-
-@test "gpiomon: custom format (double percent sign + event type specifier)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon "--format=%%e" "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- test "$output" = "%e"
-}
-
-@test "gpiomon: custom format (single percent sign)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon "--format=%" "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- test "$output" = "%"
-}
-
-@test "gpiomon: custom format (single percent sign between other characters)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon "--format=foo % bar" "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- test "$output" = "foo % bar"
-}
-
-@test "gpiomon: custom format (unknown specifier)" {
- gpiosim_chip sim0 num_lines=8
-
- coproc_run_tool gpiomon "--format=%x" "$(gpiosim_chip_name sim0)" 4
-
- gpiosim_set_pull sim0 4 pull-up
- sleep 0.2
-
- coproc_tool_kill
- coproc_tool_wait
-
- test "$status" -eq "0"
- test "$output" = "%x"
-}
@@ -11,82 +11,3 @@
#include "tools-common.h"
-static const struct option longopts[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, 'v' },
- { GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hv";
-
-static void print_help(void)
-{
- printf("Usage: %s [OPTIONS]\n", get_progname());
- printf("\n");
- printf("List all GPIO chips, print their labels and number of GPIO lines.\n");
- printf("\n");
- printf("Options:\n");
- printf(" -h, --help:\t\tdisplay this message and exit\n");
- printf(" -v, --version:\tdisplay the version and exit\n");
-}
-
-int main(int argc, char **argv)
-{
- int optc, opti, num_chips, i;
- struct gpiod_chip *chip;
- struct gpiod_chip_info *info;
- struct dirent **entries;
-
- for (;;) {
- optc = getopt_long(argc, argv, shortopts, longopts, &opti);
- if (optc < 0)
- break;
-
- switch (optc) {
- case 'h':
- print_help();
- return EXIT_SUCCESS;
- case 'v':
- print_version();
- return EXIT_SUCCESS;
- case '?':
- die("try %s --help", get_progname());
- default:
- abort();
- }
- }
-
- argc -= optind;
- argv += optind;
-
- if (argc > 0)
- die("unrecognized argument: %s", argv[0]);
-
- num_chips = scandir("/dev/", &entries, chip_dir_filter, alphasort);
- if (num_chips < 0)
- die_perror("unable to scan /dev");
-
- for (i = 0; i < num_chips; i++) {
- chip = chip_open_by_name(entries[i]->d_name);
- if (!chip)
- die_perror("unable to open %s", entries[i]->d_name);
-
- info = gpiod_chip_get_info(chip);
- if (!info)
- die_perror("unable to get info for %s", entries[i]->d_name);
-
-
- printf("%s [%s] (%zu lines)\n",
- gpiod_chip_info_get_name(info),
- gpiod_chip_info_get_label(info),
- gpiod_chip_info_get_num_lines(info));
-
- gpiod_chip_info_free(info);
- gpiod_chip_close(chip);
- free(entries[i]);
- }
-
- free(entries);
-
- return EXIT_SUCCESS;
-}
deleted file mode 100644
@@ -1,93 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-// SPDX-FileCopyrightText: 2017-2021 Bartosz Golaszewski <bartekgola@gmail.com>
-
-#include <dirent.h>
-#include <errno.h>
-#include <getopt.h>
-#include <gpiod.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "tools-common.h"
-
-static const struct option longopts[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, 'v' },
- { GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hv";
-
-static void print_help(void)
-{
- printf("Usage: %s [OPTIONS] <name>\n", get_progname());
- printf("\n");
- printf("Find a GPIO line by name. The output of this command can be used as input for gpioget/set.\n");
- printf("\n");
- printf("Options:\n");
- printf(" -h, --help:\t\tdisplay this message and exit\n");
- printf(" -v, --version:\tdisplay the version and exit\n");
-}
-
-int main(int argc, char **argv)
-{
- int i, num_chips, optc, opti, offset;
- struct gpiod_chip *chip;
- struct gpiod_chip_info *info;
- struct dirent **entries;
-
- for (;;) {
- optc = getopt_long(argc, argv, shortopts, longopts, &opti);
- if (optc < 0)
- break;
-
- switch (optc) {
- case 'h':
- print_help();
- return EXIT_SUCCESS;
- case 'v':
- print_version();
- return EXIT_SUCCESS;
- case '?':
- die("try %s --help", get_progname());
- default:
- abort();
- }
- }
-
- argc -= optind;
- argv += optind;
-
- if (argc != 1)
- die("exactly one GPIO line name must be specified");
-
- num_chips = scandir("/dev/", &entries, chip_dir_filter, alphasort);
- if (num_chips < 0)
- die_perror("unable to scan /dev");
-
- for (i = 0; i < num_chips; i++) {
- chip = chip_open_by_name(entries[i]->d_name);
- if (!chip) {
- if (errno == EACCES)
- continue;
-
- die_perror("unable to open %s", entries[i]->d_name);
- }
-
- offset = gpiod_chip_get_line_offset_from_name(chip, argv[0]);
- if (offset >= 0) {
- info = gpiod_chip_get_info(chip);
- if (!info)
- die_perror("unable to get info for %s", entries[i]->d_name);
-
- printf("%s %u\n",
- gpiod_chip_info_get_name(info), offset);
- gpiod_chip_info_free(info);
- gpiod_chip_close(chip);
- return EXIT_SUCCESS;
- }
- }
-
- return EXIT_FAILURE;
-}
@@ -10,156 +10,3 @@
#include "tools-common.h"
-static const struct option longopts[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, 'v' },
- { "active-low", no_argument, NULL, 'l' },
- { "dir-as-is", no_argument, NULL, 'n' },
- { "bias", required_argument, NULL, 'B' },
- { GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hvlnB:";
-
-static void print_help(void)
-{
- printf("Usage: %s [OPTIONS] <chip name/number> <offset 1> <offset 2> ...\n",
- get_progname());
- printf("\n");
- printf("Read line value(s) from a GPIO chip\n");
- printf("\n");
- printf("Options:\n");
- printf(" -h, --help:\t\tdisplay this message and exit\n");
- printf(" -v, --version:\tdisplay the version and exit\n");
- printf(" -l, --active-low:\tset the line active state to low\n");
- printf(" -n, --dir-as-is:\tdon't force-reconfigure line direction\n");
- printf(" -B, --bias=[as-is|disable|pull-down|pull-up] (defaults to 'as-is'):\n");
- printf(" set the line bias\n");
- printf("\n");
- print_bias_help();
-}
-
-int main(int argc, char **argv)
-{
- int direction = GPIOD_LINE_DIRECTION_INPUT;
- int optc, opti, bias = 0, ret, *values;
- struct gpiod_line_settings *settings;
- struct gpiod_request_config *req_cfg;
- struct gpiod_line_request *request;
- struct gpiod_line_config *line_cfg;
- struct gpiod_chip *chip;
- bool active_low = false;
- unsigned int *offsets;
- size_t i, num_lines;
- char *device, *end;
-
- for (;;) {
- optc = getopt_long(argc, argv, shortopts, longopts, &opti);
- if (optc < 0)
- break;
-
- switch (optc) {
- case 'h':
- print_help();
- return EXIT_SUCCESS;
- case 'v':
- print_version();
- return EXIT_SUCCESS;
- case 'l':
- active_low = true;
- break;
- case 'n':
- direction = GPIOD_LINE_DIRECTION_AS_IS;
- break;
- case 'B':
- bias = parse_bias(optarg);
- break;
- case '?':
- die("try %s --help", get_progname());
- default:
- abort();
- }
- }
-
- argc -= optind;
- argv += optind;
-
- if (argc < 1)
- die("gpiochip must be specified");
-
- if (argc < 2)
- die("at least one GPIO line offset must be specified");
-
- device = argv[0];
- num_lines = argc - 1;
-
- offsets = calloc(num_lines, sizeof(*offsets));
- values = calloc(num_lines, sizeof(*values));
- if (!offsets || ! values)
- die("out of memory");
-
- for (i = 0; i < num_lines; i++) {
- offsets[i] = strtoul(argv[i + 1], &end, 10);
- if (*end != '\0' || offsets[i] > INT_MAX)
- die("invalid GPIO offset: %s", argv[i + 1]);
- }
-
- if (has_duplicate_offsets(num_lines, offsets))
- die("offsets must be unique");
-
- chip = chip_open_lookup(device);
- if (!chip)
- die_perror("unable to open %s", device);
-
- settings = gpiod_line_settings_new();
- if (!settings)
- die_perror("unable to allocate line settings");
-
- gpiod_line_settings_set_direction(settings, direction);
-
- if (bias)
- gpiod_line_settings_set_bias(settings, bias);
-
- if (active_low)
- gpiod_line_settings_set_active_low(settings, active_low);
-
- req_cfg = gpiod_request_config_new();
- if (!req_cfg)
- die_perror("unable to allocate the request config structure");
-
- gpiod_request_config_set_consumer(req_cfg, "gpioget");
-
- line_cfg = gpiod_line_config_new();
- if (!line_cfg)
- die_perror("unable to allocate the line config structure");
-
- ret = gpiod_line_config_add_line_settings(line_cfg, offsets,
- num_lines, settings);
- if (ret)
- die_perror("unable to add line settings");
-
- request = gpiod_chip_request_lines(chip, req_cfg, line_cfg);
- if (!request)
- die_perror("unable to request lines");
-
- ret = gpiod_line_request_get_values(request, values);
- if (ret)
- die_perror("unable to read GPIO line values");
-
- for (i = 0; i < num_lines; i++) {
- printf("%d", values[i]);
- if (i != num_lines - 1)
- printf(" ");
- }
- printf("\n");
-
- gpiod_line_request_release(request);
- gpiod_request_config_free(req_cfg);
- gpiod_line_config_free(line_cfg);
- gpiod_line_settings_free(settings);
- gpiod_chip_close(chip);
- free(offsets);
- free(values);
-
- return EXIT_SUCCESS;
-}
@@ -12,243 +12,3 @@
#include "tools-common.h"
-typedef bool (*is_set_func)(struct gpiod_line_info *);
-
-struct flag {
- const char *name;
- is_set_func is_set;
-};
-
-static bool line_bias_is_pullup(struct gpiod_line_info *info)
-{
- return gpiod_line_info_get_bias(info) == GPIOD_LINE_BIAS_PULL_UP;
-}
-
-static bool line_bias_is_pulldown(struct gpiod_line_info *info)
-{
- return gpiod_line_info_get_bias(info) == GPIOD_LINE_BIAS_PULL_DOWN;
-}
-
-static bool line_bias_is_disabled(struct gpiod_line_info *info)
-{
- return gpiod_line_info_get_bias(info) == GPIOD_LINE_BIAS_DISABLED;
-}
-
-static bool line_drive_is_open_drain(struct gpiod_line_info *info)
-{
- return gpiod_line_info_get_drive(info) == GPIOD_LINE_DRIVE_OPEN_DRAIN;
-}
-
-static bool line_drive_is_open_source(struct gpiod_line_info *info)
-{
- return gpiod_line_info_get_drive(info) == GPIOD_LINE_DRIVE_OPEN_SOURCE;
-}
-
-static const struct flag flags[] = {
- {
- .name = "used",
- .is_set = gpiod_line_info_is_used,
- },
- {
- .name = "open-drain",
- .is_set = line_drive_is_open_drain,
- },
- {
- .name = "open-source",
- .is_set = line_drive_is_open_source,
- },
- {
- .name = "pull-up",
- .is_set = line_bias_is_pullup,
- },
- {
- .name = "pull-down",
- .is_set = line_bias_is_pulldown,
- },
- {
- .name = "bias-disabled",
- .is_set = line_bias_is_disabled,
- },
-};
-
-static const struct option longopts[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, 'v' },
- { GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hv";
-
-static void print_help(void)
-{
- printf("Usage: %s [OPTIONS] <gpiochip1> ...\n", get_progname());
- printf("\n");
- printf("Print information about all lines of the specified GPIO chip(s) (or all gpiochips if none are specified).\n");
- printf("\n");
- printf("Options:\n");
- printf(" -h, --help:\t\tdisplay this message and exit\n");
- printf(" -v, --version:\tdisplay the version and exit\n");
-}
-
-static PRINTF(3, 4) void prinfo(bool *of,
- unsigned int prlen, const char *fmt, ...)
-{
- char *buf, *buffmt = NULL;
- size_t len;
- va_list va;
- int rv;
-
- va_start(va, fmt);
- rv = vasprintf(&buf, fmt, va);
- va_end(va);
- if (rv < 0)
- die("vasprintf: %s\n", strerror(errno));
-
- len = strlen(buf) - 1;
-
- if (len >= prlen || *of) {
- *of = true;
- printf("%s", buf);
- } else {
- rv = asprintf(&buffmt, "%%%us", prlen);
- if (rv < 0)
- die("asprintf: %s\n", strerror(errno));
-
- printf(buffmt, buf);
- }
-
- free(buf);
- if (fmt)
- free(buffmt);
-}
-
-static void list_lines(struct gpiod_chip *chip)
-{
- bool flag_printed, of, active_low;
- struct gpiod_chip_info *chip_info;
- struct gpiod_line_info *info;
- const char *name, *consumer;
- size_t i, offset, num_lines;
- int direction;
-
- chip_info = gpiod_chip_get_info(chip);
- if (!chip_info)
- die_perror("unable to retrieve the chip info from chip");
-
- num_lines = gpiod_chip_info_get_num_lines(chip_info);
- printf("%s - %zu lines:\n",
- gpiod_chip_info_get_name(chip_info), num_lines);
-
- for (offset = 0; offset < num_lines; offset++) {
- info = gpiod_chip_get_line_info(chip, offset);
- if (!info)
- die_perror("unable to retrieve the line info from chip");
- name = gpiod_line_info_get_name(info);
- consumer = gpiod_line_info_get_consumer(info);
- direction = gpiod_line_info_get_direction(info);
- active_low = gpiod_line_info_is_active_low(info);
-
- of = false;
-
- printf("\tline ");
- prinfo(&of, 3, "%zu", offset);
- printf(": ");
-
- name ? prinfo(&of, 12, "\"%s\"", name)
- : prinfo(&of, 12, "unnamed");
- printf(" ");
-
- if (!gpiod_line_info_is_used(info))
- prinfo(&of, 12, "unused");
- else
- consumer ? prinfo(&of, 12, "\"%s\"", consumer)
- : prinfo(&of, 12, "kernel");
-
- printf(" ");
-
- prinfo(&of, 8, "%s ", direction == GPIOD_LINE_DIRECTION_INPUT
- ? "input" : "output");
- prinfo(&of, 13, "%s ",
- active_low ? "active-low" : "active-high");
-
- flag_printed = false;
- for (i = 0; i < ARRAY_SIZE(flags); i++) {
- if (flags[i].is_set(info)) {
- if (flag_printed)
- printf(" ");
- else
- printf("[");
- printf("%s", flags[i].name);
- flag_printed = true;
- }
- }
- if (flag_printed)
- printf("]");
-
- printf("\n");
-
- gpiod_line_info_free(info);
- }
- gpiod_chip_info_free(chip_info);
-}
-
-int main(int argc, char **argv)
-{
- int num_chips, i, optc, opti;
- struct gpiod_chip *chip;
- struct dirent **entries;
-
- for (;;) {
- optc = getopt_long(argc, argv, shortopts, longopts, &opti);
- if (optc < 0)
- break;
-
- switch (optc) {
- case 'h':
- print_help();
- return EXIT_SUCCESS;
- case 'v':
- print_version();
- return EXIT_SUCCESS;
- case '?':
- die("try %s --help", get_progname());
- default:
- abort();
- }
- }
-
- argc -= optind;
- argv += optind;
-
- if (argc == 0) {
- num_chips = scandir("/dev/", &entries,
- chip_dir_filter, alphasort);
- if (num_chips < 0)
- die_perror("unable to scan /dev");
-
- for (i = 0; i < num_chips; i++) {
- chip = chip_open_by_name(entries[i]->d_name);
- if (!chip)
- die_perror("unable to open %s",
- entries[i]->d_name);
-
- list_lines(chip);
-
- gpiod_chip_close(chip);
- free(entries[i]);
- }
- free(entries);
- } else {
- for (i = 0; i < argc; i++) {
- chip = chip_open_lookup(argv[i]);
- if (!chip)
- die_perror("looking up chip %s", argv[i]);
-
- list_lines(chip);
-
- gpiod_chip_close(chip);
- }
- }
-
- return EXIT_SUCCESS;
-}
@@ -17,317 +17,3 @@
#define EVENT_BUF_SIZE 32
-static const struct option longopts[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, 'v' },
- { "active-low", no_argument, NULL, 'l' },
- { "bias", required_argument, NULL, 'B' },
- { "num-events", required_argument, NULL, 'n' },
- { "silent", no_argument, NULL, 's' },
- { "rising-edge", no_argument, NULL, 'r' },
- { "falling-edge", no_argument, NULL, 'f' },
- { "line-buffered", no_argument, NULL, 'b' },
- { "format", required_argument, NULL, 'F' },
- { GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hvlB:n:srfbF:";
-
-static void print_help(void)
-{
- printf("Usage: %s [OPTIONS] <chip name/number> <offset 1> <offset 2> ...\n",
- get_progname());
- printf("\n");
- printf("Wait for events on GPIO lines and print them to standard output\n");
- printf("\n");
- printf("Options:\n");
- printf(" -h, --help:\t\tdisplay this message and exit\n");
- printf(" -v, --version:\tdisplay the version and exit\n");
- printf(" -l, --active-low:\tset the line active state to low\n");
- printf(" -B, --bias=[as-is|disable|pull-down|pull-up] (defaults to 'as-is'):\n");
- printf(" set the line bias\n");
- printf(" -n, --num-events=NUM:\texit after processing NUM events\n");
- printf(" -s, --silent:\t\tdon't print event info\n");
- printf(" -r, --rising-edge:\tonly process rising edge events\n");
- printf(" -f, --falling-edge:\tonly process falling edge events\n");
- printf(" -b, --line-buffered:\tset standard output as line buffered\n");
- printf(" -F, --format=FMT\tspecify custom output format\n");
- printf("\n");
- print_bias_help();
- printf("\n");
- printf("Format specifiers:\n");
- printf(" %%o: GPIO line offset\n");
- printf(" %%e: event type (0 - falling edge, 1 rising edge)\n");
- printf(" %%s: seconds part of the event timestamp\n");
- printf(" %%n: nanoseconds part of the event timestamp\n");
-}
-
-struct mon_ctx {
- unsigned int offset;
- bool silent;
- char *fmt;
-};
-
-static void event_print_custom(unsigned int offset, uint64_t timeout,
- int event_type, struct mon_ctx *ctx)
-{
- char *prev, *curr, fmt;
-
- for (prev = curr = ctx->fmt;;) {
- curr = strchr(curr, '%');
- if (!curr) {
- fputs(prev, stdout);
- break;
- }
-
- if (prev != curr)
- fwrite(prev, curr - prev, 1, stdout);
-
- fmt = *(curr + 1);
-
- switch (fmt) {
- case 'o':
- printf("%u", offset);
- break;
- case 'e':
- if (event_type == GPIOD_EDGE_EVENT_RISING_EDGE)
- fputc('1', stdout);
- else
- fputc('0', stdout);
- break;
- case 's':
- printf("%"PRIu64, timeout / 1000000000);
- break;
- case 'n':
- printf("%"PRIu64, timeout % 1000000000);
- break;
- case '%':
- fputc('%', stdout);
- break;
- case '\0':
- fputc('%', stdout);
- goto end;
- default:
- fwrite(curr, 2, 1, stdout);
- break;
- }
-
- curr += 2;
- prev = curr;
- }
-
-end:
- fputc('\n', stdout);
-}
-
-static void event_print_human_readable(unsigned int offset,
- uint64_t timeout, int event_type)
-{
- char *evname;
-
- if (event_type == GPIOD_EDGE_EVENT_RISING_EDGE)
- evname = " RISING EDGE";
- else
- evname = "FALLING EDGE";
-
- printf("event: %s offset: %u timestamp: [%8"PRIu64".%09"PRIu64"]\n",
- evname, offset, timeout / 1000000000, timeout % 1000000000);
-}
-
-static void handle_event(unsigned int line_offset, unsigned int event_type,
- uint64_t timestamp, struct mon_ctx *ctx)
-{
- if (!ctx->silent) {
- if (ctx->fmt)
- event_print_custom(line_offset, timestamp,
- event_type, ctx);
- else
- event_print_human_readable(line_offset,
- timestamp, event_type);
- }
-}
-
-static void handle_signal(int signum UNUSED)
-{
- exit(EXIT_SUCCESS);
-}
-
-int main(int argc, char **argv)
-{
- bool watch_rising = false, watch_falling = false, active_low = false;
- size_t num_lines = 0, events_wanted = 0, events_done = 0;
- struct gpiod_edge_event_buffer *event_buffer;
- int optc, opti, ret, i, edge, bias = 0;
- uint64_t timeout = 10 * 1000000000LLU;
- struct gpiod_line_settings *settings;
- struct gpiod_request_config *req_cfg;
- struct gpiod_line_request *request;
- struct gpiod_line_config *line_cfg;
- unsigned int offsets[64], offset;
- struct gpiod_edge_event *event;
- struct gpiod_chip *chip;
- struct mon_ctx ctx;
- char *end;
-
- /*
- * FIXME: use signalfd once the API has been converted to using a single file
- * descriptor as provided by uAPI v2.
- */
- signal(SIGINT, handle_signal);
- signal(SIGTERM, handle_signal);
-
- memset(&ctx, 0, sizeof(ctx));
-
- for (;;) {
- optc = getopt_long(argc, argv, shortopts, longopts, &opti);
- if (optc < 0)
- break;
-
- switch (optc) {
- case 'h':
- print_help();
- return EXIT_SUCCESS;
- case 'v':
- print_version();
- return EXIT_SUCCESS;
- case 'l':
- active_low = true;
- break;
- case 'B':
- bias = parse_bias(optarg);
- break;
- case 'n':
- events_wanted = strtoul(optarg, &end, 10);
- if (*end != '\0')
- die("invalid number: %s", optarg);
- break;
- case 's':
- ctx.silent = true;
- break;
- case 'r':
- watch_rising = true;
- break;
- case 'f':
- watch_falling = true;
- break;
- case 'b':
- setlinebuf(stdout);
- break;
- case 'F':
- ctx.fmt = optarg;
- break;
- case '?':
- die("try %s --help", get_progname());
- default:
- abort();
- }
- }
-
- argc -= optind;
- argv += optind;
-
- if (watch_rising && !watch_falling)
- edge = GPIOD_LINE_EDGE_RISING;
- else if (watch_falling && !watch_rising)
- edge = GPIOD_LINE_EDGE_FALLING;
- else
- edge = GPIOD_LINE_EDGE_BOTH;
-
- if (argc < 1)
- die("gpiochip must be specified");
-
- if (argc < 2)
- die("at least one GPIO line offset must be specified");
-
- if (argc > 65)
- die("too many offsets given");
-
- for (i = 1; i < argc; i++) {
- offset = strtoul(argv[i], &end, 10);
- if (*end != '\0' || offset > INT_MAX)
- die("invalid GPIO offset: %s", argv[i]);
-
- offsets[i - 1] = offset;
- num_lines++;
- }
-
- if (has_duplicate_offsets(num_lines, offsets))
- die("offsets must be unique");
-
- chip = chip_open_lookup(argv[0]);
- if (!chip)
- die_perror("unable to open %s", argv[0]);
-
- settings = gpiod_line_settings_new();
- if (!settings)
- die_perror("unable to allocate line settings");
-
- if (bias)
- gpiod_line_settings_set_bias(settings, bias);
- if (active_low)
- gpiod_line_settings_set_active_low(settings, active_low);
- gpiod_line_settings_set_edge_detection(settings, edge);
-
- req_cfg = gpiod_request_config_new();
- if (!req_cfg)
- die_perror("unable to allocate the request config structure");
-
- gpiod_request_config_set_consumer(req_cfg, "gpiomon");
-
- line_cfg = gpiod_line_config_new();
- if (!line_cfg)
- die_perror("unable to allocate the line config structure");
-
- ret = gpiod_line_config_add_line_settings(line_cfg, offsets,
- num_lines, settings);
- if (ret)
- die_perror("unable to add line settings");
-
- request = gpiod_chip_request_lines(chip, req_cfg, line_cfg);
- if (!request)
- die_perror("unable to request lines");
-
- event_buffer = gpiod_edge_event_buffer_new(EVENT_BUF_SIZE);
- if (!event_buffer)
- die_perror("unable to allocate the line event buffer");
-
- for (;;) {
- ret = gpiod_line_request_wait_edge_event(request, timeout);
- if (ret < 0)
- die_perror("error waiting for events");
- if (ret == 0)
- continue;
-
- ret = gpiod_line_request_read_edge_event(request, event_buffer,
- EVENT_BUF_SIZE);
- if (ret < 0)
- die_perror("error reading line events");
-
- for (i = 0; i < ret; i++) {
- event = gpiod_edge_event_buffer_get_event(event_buffer,
- i);
- if (!event)
- die_perror("unable to retrieve the event from the buffer");
-
- handle_event(gpiod_edge_event_get_line_offset(event),
- gpiod_edge_event_get_event_type(event),
- gpiod_edge_event_get_timestamp_ns(event),
- &ctx);
-
- events_done++;
-
- if (events_wanted && events_done >= events_wanted)
- goto done;
- }
- }
-
-done:
- gpiod_edge_event_buffer_free(event_buffer);
- gpiod_line_request_release(request);
- gpiod_request_config_free(req_cfg);
- gpiod_line_config_free(line_cfg);
- gpiod_line_settings_free(settings);
- gpiod_chip_close(chip);
-
- return EXIT_SUCCESS;
-}
@@ -14,333 +14,3 @@
#include "tools-common.h"
-static const struct option longopts[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, 'v' },
- { "active-low", no_argument, NULL, 'l' },
- { "bias", required_argument, NULL, 'B' },
- { "drive", required_argument, NULL, 'D' },
- { "mode", required_argument, NULL, 'm' },
- { "sec", required_argument, NULL, 's' },
- { "usec", required_argument, NULL, 'u' },
- { "background", no_argument, NULL, 'b' },
- { GETOPT_NULL_LONGOPT },
-};
-
-static const char *const shortopts = "+hvlB:D:m:s:u:b";
-
-static void print_help(void)
-{
- printf("Usage: %s [OPTIONS] <chip name/number> <offset1>=<value1> <offset2>=<value2> ...\n",
- get_progname());
- printf("\n");
- printf("Set GPIO line values of a GPIO chip and maintain the state until the process exits\n");
- printf("\n");
- printf("Options:\n");
- printf(" -h, --help:\t\tdisplay this message and exit\n");
- printf(" -v, --version:\tdisplay the version and exit\n");
- printf(" -l, --active-low:\tset the line active state to low\n");
- printf(" -B, --bias=[as-is|disable|pull-down|pull-up] (defaults to 'as-is'):\n");
- printf(" set the line bias\n");
- printf(" -D, --drive=[push-pull|open-drain|open-source] (defaults to 'push-pull'):\n");
- printf(" set the line drive mode\n");
- printf(" -m, --mode=[exit|wait|time|signal] (defaults to 'exit'):\n");
- printf(" tell the program what to do after setting values\n");
- printf(" -s, --sec=SEC:\tspecify the number of seconds to wait (only valid for --mode=time)\n");
- printf(" -u, --usec=USEC:\tspecify the number of microseconds to wait (only valid for --mode=time)\n");
- printf(" -b, --background:\tafter setting values: detach from the controlling terminal\n");
- printf("\n");
- print_bias_help();
- printf("\n");
- printf("Drives:\n");
- printf(" push-pull:\tdrive the line both high and low\n");
- printf(" open-drain:\tdrive the line low or go high impedance\n");
- printf(" open-source:\tdrive the line high or go high impedance\n");
- printf("\n");
- printf("Modes:\n");
- printf(" exit:\t\tset values and exit immediately\n");
- printf(" wait:\t\tset values and wait for user to press ENTER\n");
- printf(" time:\t\tset values and sleep for a specified amount of time\n");
- printf(" signal:\tset values and wait for SIGINT or SIGTERM\n");
- printf("\n");
- printf("Note: the state of a GPIO line controlled over the character device reverts to default\n");
- printf("when the last process referencing the file descriptor representing the device file exits.\n");
- printf("This means that it's wrong to run gpioset, have it exit and expect the line to continue\n");
- printf("being driven high or low. It may happen if given pin is floating but it must be interpreted\n");
- printf("as undefined behavior.\n");
-}
-
-struct callback_data {
- /* Replace with a union once we have more modes using callback data. */
- struct timeval tv;
- bool daemonize;
-};
-
-static void maybe_daemonize(bool daemonize)
-{
- int rv;
-
- if (daemonize) {
- rv = daemon(0, 0);
- if (rv < 0)
- die("unable to daemonize: %s", strerror(errno));
- }
-}
-
-static void wait_enter(void *data UNUSED)
-{
- getchar();
-}
-
-static void wait_time(void *data)
-{
- struct callback_data *cbdata = data;
-
- maybe_daemonize(cbdata->daemonize);
- select(0, NULL, NULL, NULL, &cbdata->tv);
-}
-
-static void wait_signal(void *data)
-{
- struct callback_data *cbdata = data;
- struct pollfd pfd;
- int sigfd, rv;
-
- sigfd = make_signalfd();
-
- memset(&pfd, 0, sizeof(pfd));
- pfd.fd = sigfd;
- pfd.events = POLLIN | POLLPRI;
-
- maybe_daemonize(cbdata->daemonize);
-
- for (;;) {
- rv = poll(&pfd, 1, 1000 /* one second */);
- if (rv < 0)
- die("error polling for signals: %s", strerror(errno));
- else if (rv > 0)
- break;
- }
-
- /*
- * Don't bother reading siginfo - it's enough to know that we
- * received any signal.
- */
- close(sigfd);
-}
-
-enum {
- MODE_EXIT = 0,
- MODE_WAIT,
- MODE_TIME,
- MODE_SIGNAL,
-};
-
-struct mode_mapping {
- int id;
- const char *name;
- void (*callback)(void *);
-};
-
-static const struct mode_mapping modes[] = {
- [MODE_EXIT] = {
- .id = MODE_EXIT,
- .name = "exit",
- .callback = NULL,
- },
- [MODE_WAIT] = {
- .id = MODE_WAIT,
- .name = "wait",
- .callback = wait_enter,
- },
- [MODE_TIME] = {
- .id = MODE_TIME,
- .name = "time",
- .callback = wait_time,
- },
- [MODE_SIGNAL] = {
- .id = MODE_SIGNAL,
- .name = "signal",
- .callback = wait_signal,
- },
-};
-
-static const struct mode_mapping *parse_mode(const char *mode)
-{
- size_t i;
-
- for (i = 0; i < ARRAY_SIZE(modes); i++)
- if (strcmp(mode, modes[i].name) == 0)
- return &modes[i];
-
- return NULL;
-}
-
-static int parse_drive(const char *option)
-{
- if (strcmp(option, "open-drain") == 0)
- return GPIOD_LINE_DRIVE_OPEN_DRAIN;
- if (strcmp(option, "open-source") == 0)
- return GPIOD_LINE_DRIVE_OPEN_SOURCE;
- if (strcmp(option, "push-pull") != 0)
- die("invalid drive: %s", option);
- return 0;
-}
-
-int main(int argc, char **argv)
-{
- const struct mode_mapping *mode = &modes[MODE_EXIT];
- int ret, optc, opti, bias = 0, drive = 0, *values;
- struct gpiod_line_settings *settings;
- struct gpiod_request_config *req_cfg;
- struct gpiod_line_request *request;
- struct gpiod_line_config *line_cfg;
- struct callback_data cbdata;
- struct gpiod_chip *chip;
- bool active_low = false;
- unsigned int *offsets;
- size_t i, num_lines;
- char *device, *end;
-
- memset(&cbdata, 0, sizeof(cbdata));
-
- for (;;) {
- optc = getopt_long(argc, argv, shortopts, longopts, &opti);
- if (optc < 0)
- break;
-
- switch (optc) {
- case 'h':
- print_help();
- return EXIT_SUCCESS;
- case 'v':
- print_version();
- return EXIT_SUCCESS;
- case 'l':
- active_low = true;
- break;
- case 'B':
- bias = parse_bias(optarg);
- break;
- case 'D':
- drive = parse_drive(optarg);
- break;
- case 'm':
- mode = parse_mode(optarg);
- if (!mode)
- die("invalid mode: %s", optarg);
- break;
- case 's':
- cbdata.tv.tv_sec = strtoul(optarg, &end, 10);
- if (*end != '\0')
- die("invalid time value in seconds: %s", optarg);
- break;
- case 'u':
- cbdata.tv.tv_usec = strtoul(optarg, &end, 10);
- if (*end != '\0')
- die("invalid time value in microseconds: %s",
- optarg);
- break;
- case 'b':
- cbdata.daemonize = true;
- break;
- case '?':
- die("try %s --help", get_progname());
- default:
- abort();
- }
- }
-
- argc -= optind;
- argv += optind;
-
- if (mode->id != MODE_TIME && (cbdata.tv.tv_sec || cbdata.tv.tv_usec))
- die("can't specify wait time in this mode");
-
- if (mode->id != MODE_SIGNAL &&
- mode->id != MODE_TIME &&
- cbdata.daemonize)
- die("can't daemonize in this mode");
-
- if (argc < 1)
- die("gpiochip must be specified");
-
- if (argc < 2)
- die("at least one GPIO line offset to value mapping must be specified");
-
- device = argv[0];
-
- num_lines = argc - 1;
-
- offsets = calloc(num_lines, sizeof(*offsets));
- values = calloc(num_lines, sizeof(*values));
- if (!offsets)
- die("out of memory");
-
- for (i = 0; i < num_lines; i++) {
- ret = sscanf(argv[i + 1], "%u=%d", &offsets[i], &values[i]);
- if (ret != 2)
- die("invalid offset<->value mapping: %s", argv[i + 1]);
-
- if (values[i] != 0 && values[i] != 1)
- die("value must be 0 or 1: %s", argv[i + 1]);
-
- if (offsets[i] > INT_MAX)
- die("invalid offset: %s", argv[i + 1]);
- }
-
- if (has_duplicate_offsets(num_lines, offsets))
- die("offsets must be unique");
-
- chip = chip_open_lookup(device);
- if (!chip)
- die_perror("unable to open %s", device);
-
- settings = gpiod_line_settings_new();
- if (!settings)
- die_perror("unable to allocate line settings");
-
- if (bias)
- gpiod_line_settings_set_bias(settings, bias);
- if (drive)
- gpiod_line_settings_set_drive(settings, drive);
- if (active_low)
- gpiod_line_settings_set_active_low(settings, active_low);
- gpiod_line_settings_set_direction(settings,
- GPIOD_LINE_DIRECTION_OUTPUT);
-
- req_cfg = gpiod_request_config_new();
- if (!req_cfg)
- die_perror("unable to allocate the request config structure");
-
- gpiod_request_config_set_consumer(req_cfg, "gpioset");
-
- line_cfg = gpiod_line_config_new();
- if (!line_cfg)
- die_perror("unable to allocate the line config structure");
-
- for (i = 0; i < num_lines; i++) {
- gpiod_line_settings_set_output_value(settings, values[i]);
-
- ret = gpiod_line_config_add_line_settings(line_cfg, &offsets[i],
- 1, settings);
- if (ret)
- die_perror("unable to add line settings");
- }
-
- request = gpiod_chip_request_lines(chip, req_cfg, line_cfg);
- if (!request)
- die_perror("unable to request lines");
-
- if (mode->callback)
- mode->callback(&cbdata);
-
- gpiod_line_request_release(request);
- gpiod_request_config_free(req_cfg);
- gpiod_line_config_free(line_cfg);
- gpiod_line_settings_free(settings);
- gpiod_chip_close(chip);
- free(offsets);
-
- return EXIT_SUCCESS;
-}
@@ -79,26 +79,6 @@ void print_bias_help(void)
printf(" pull-down:\tenable pull-down\n");
}
-int make_signalfd(void)
-{
- sigset_t sigmask;
- int sigfd, rv;
-
- sigemptyset(&sigmask);
- sigaddset(&sigmask, SIGTERM);
- sigaddset(&sigmask, SIGINT);
-
- rv = sigprocmask(SIG_BLOCK, &sigmask, NULL);
- if (rv < 0)
- die("error masking signals: %s", strerror(errno));
-
- sigfd = signalfd(-1, &sigmask, 0);
- if (sigfd < 0)
- die("error creating signalfd: %s", strerror(errno));
-
- return sigfd;
-}
-
int chip_dir_filter(const struct dirent *entry)
{
bool is_chip;
@@ -114,38 +94,6 @@ int chip_dir_filter(const struct dirent *entry)
return !!is_chip;
}
-struct gpiod_chip *chip_open_by_name(const char *name)
-{
- struct gpiod_chip *chip;
- char *path;
- int ret;
-
- ret = asprintf(&path, "/dev/%s", name);
- if (ret < 0)
- return NULL;
-
- chip = gpiod_chip_open(path);
- free(path);
-
- return chip;
-}
-
-static struct gpiod_chip *chip_open_by_number(unsigned int num)
-{
- struct gpiod_chip *chip;
- char *path;
- int ret;
-
- ret = asprintf(&path, "/dev/gpiochip%u", num);
- if (!ret)
- return NULL;
-
- chip = gpiod_chip_open(path);
- free(path);
-
- return chip;
-}
-
static bool isuint(const char *str)
{
for (; *str && isdigit(*str); str++)
@@ -153,32 +101,3 @@ static bool isuint(const char *str)
return *str == '\0';
}
-
-struct gpiod_chip *chip_open_lookup(const char *device)
-{
- struct gpiod_chip *chip;
-
- if (isuint(device)) {
- chip = chip_open_by_number(strtoul(device, NULL, 10));
- } else {
- if (strncmp(device, "/dev/", 5))
- chip = chip_open_by_name(device);
- else
- chip = gpiod_chip_open(device);
- }
-
- return chip;
-}
-
-bool has_duplicate_offsets(size_t num_offsets, unsigned int *offsets)
-{
- size_t i, j;
-
- for (i = 0; i < num_offsets; i++) {
- for (j = i + 1; j < num_offsets; j++)
- if (offsets[i] == offsets[j])
- return true;
- }
-
- return false;
-}
Remove functions that are so heavily modified in the subsequent patch that they are effectively complete re-writes, so the old code just obfuscates the new. The gpiofind tool is removed completely, as its functionality is absorbed into the other tools. Signed-off-by: Kent Gibson <warthog618@gmail.com> --- man/Makefile.am | 2 +- tools/.gitignore | 1 - tools/Makefile.am | 4 +- tools/gpio-tools-test.bats | 893 ------------------------------------- tools/gpiodetect.c | 79 ---- tools/gpiofind.c | 93 ---- tools/gpioget.c | 153 ------- tools/gpioinfo.c | 240 ---------- tools/gpiomon.c | 314 ------------- tools/gpioset.c | 330 -------------- tools/tools-common.c | 81 ---- 11 files changed, 2 insertions(+), 2188 deletions(-) delete mode 100644 tools/gpiofind.c