cdl_package CYGPKG_IO_CAN {
display "CAN device drivers"
+ parent CYGPKG_IO
active_if CYGPKG_IO
requires CYGPKG_ERROR
include_dir cyg/io
puts $::cdl_header "#endif "
puts $::cdl_header "/****** proc output end ******/"
}
-
+
+ #-----------------------------------------------------------------
+ # Interfaces
+ # A hardware device driver should implement each interface it
+ # supports
+ #
cdl_interface CYGINT_IO_CAN_TIMESTAMP {
display "CAN driver supports timestamps"
}
+ cdl_interface CYGINT_IO_CAN_STD_CAN_ID {
+ display "11 Bit standard CAN ID support"
+ }
+
+ cdl_interface CYGINT_IO_CAN_EXT_CAN_ID {
+ display "29 Bit extended CAN ID support"
+ }
+
+ cdl_interface CYGINT_IO_CAN_RUNTIME_MBOX_CFG {
+ display "CAN driver supports message box runtime configuration"
+ }
+
+ cdl_interface CYGINT_IO_CAN_REMOTE_BUF {
+ display "CAN driver supports remote response buffers"
+ }
+
+ cdl_interface CYGINT_IO_CAN_AUTOBAUD {
+ display "CAN driver supports automatic baudrate detection"
+ }
+
+ cdl_interface CYGINT_IO_CAN_TX_EVENTS {
+ display "CAN driver supports TX events"
+ }
+
+ #-----------------------------------------------------------------
+ # Each single channel of a CAN chip or on chip CAN module should
+ # implement this interface. It counts the number of available
+ # CAN channels
+ #
+ cdl_interface CYGINT_IO_CAN_CHANNELS {
+ display "Number of CAN channels"
+ }
+
+
+ #-----------------------------------------------------------------
+ # Generic CAN driver configuration
+ #
+ cdl_component CYGPKG_IO_CAN_DEVICES {
+ display "Hardware CAN device drivers"
+ flavor bool
+ default_value 1
+ description "
+ This option enables the hardware device drivers
+ for the current platform."
+ }
+
cdl_option CYGOPT_IO_CAN_SUPPORT_TIMESTAMP {
display "Support CAN event timestamps"
requires { CYGINT_IO_CAN_TIMESTAMP > 0 }
+ active_if { CYGINT_IO_CAN_TIMESTAMP > 0 }
default_value 0
description "
If the CAN hardware driver supports some kind of timestamps
cdl_option CYGOPT_IO_CAN_TX_EVENT_SUPPORT {
display "Support TX events"
+ requires { CYGINT_IO_CAN_TX_EVENTS > 0 }
+ active_if { CYGINT_IO_CAN_TX_EVENTS > 0 }
default_value 0
description "
This option enables support for TX events. If a CAN message is
option is enabled the RX event queue will be filled faster."
}
- cdl_component CYGPKG_IO_CAN_DEVICES {
- display "Hardware CAN device drivers"
- flavor bool
+ cdl_option CYGOPT_IO_CAN_STD_CAN_ID {
+ display "11 Bit standard CAN ID support"
+ requires { CYGINT_IO_CAN_STD_CAN_ID > 0 }
+ active_if { CYGINT_IO_CAN_STD_CAN_ID > 0 }
+ default_value { CYGINT_IO_CAN_STD_CAN_ID > 0 ? 1 : 0 }
+ description "
+ This option enables support for 11 Bit standard CAN identifiers.
+ If the application deals only with 29 Bit extended CAN messages
+ then disabling this option may reduce codesize or increase
+ performance."
+ }
+
+ cdl_option CYGOPT_IO_CAN_EXT_CAN_ID {
+ display "29 Bit extended CAN ID support"
+ requires { CYGINT_IO_CAN_EXT_CAN_ID > 0 }
+ active_if { CYGINT_IO_CAN_EXT_CAN_ID > 0 }
+ default_value { CYGINT_IO_CAN_EXT_CAN_ID > 0 ? 1 : 0 }
+ description "
+ This option enables support for 29 Bit extended CAN identifiers.
+ If the application deals only with 11 Bit standard CAN messages
+ then disabling this option may reduce codesize or increase
+ performance."
+ }
+
+ cdl_option CYGOPT_IO_CAN_AUTOBAUD {
+ display "Support automatic baudrate detection."
+ requires { CYGINT_IO_CAN_AUTOBAUD > 0 }
+ active_if { CYGINT_IO_CAN_AUTOBAUD > 0 }
+ default_value 0
+ description "
+ If the CAN hardware device driver supports any kind of automatic
+ baudrate detection then this option enables support for this feature.
+ If automatic baudrate detection is not required, then disabling this
+ option may reduce codesize."
+ }
+
+ cdl_option CYGOPT_IO_CAN_RUNTIME_MBOX_CFG {
+ display "Message box runtime configuration support"
+ requires { CYGINT_IO_CAN_RUNTIME_MBOX_CFG > 0 }
+ active_if { CYGINT_IO_CAN_RUNTIME_MBOX_CFG > 0 }
default_value 1
- description "
- This option enables the hardware device drivers
- for the current platform."
+ description "
+ Message box runtime configuration is required for for hardware message
+ filtering and for hardware remote response buffers. If no hardware
+ filtering is required and if the application does not need remote
+ response buffers this option can be disabled to decrease codesize."
}
+ cdl_option CYGOPT_IO_CAN_REMOTE_BUF {
+ display "Remote response buffer support"
+ requires { CYGOPT_IO_CAN_RUNTIME_MBOX_CFG }
+ requires { CYGINT_IO_CAN_REMOTE_BUF > 0}
+ active_if { CYGINT_IO_CAN_REMOTE_BUF > 0 }
+ default_value 1
+ description "
+ If the driver should handle remote requests automatically then remote
+ response buffers are required. Disabling this option may save some
+ bytes of ROM memory."
+ }
+
cdl_option CYGOPT_IO_CAN_SUPPORT_NONBLOCKING {
display "Support non-blocking read and write calls"
default_value 0
which allows clients to switch read() and write() call
semantics from blocking to non-blocking."
}
-
+
+ cdl_option CYGOPT_IO_CAN_SUPPORT_CALLBACK {
+ display "Support callback on events"
+ default_value 0
+ description "
+ This option enables extra code in the generic CAN driver
+ which allows application to register a callback for
+ events. The callback function is called from DSR
+ context so you should be careful to only call API
+ functions that are safe in DSR context."
+ }
+
cdl_component CYGOPT_IO_CAN_SUPPORT_TIMEOUTS {
display "Support read/write timeouts"
flavor bool
The initial timeout value in clock ticks for cyg_io_write() calls."
}
}
-
- cdl_component CYGPKG_IO_CAN_OPTIONS {
- display "CAN device driver build options"
- flavor none
- description "
- Package specific build options including control over
- compiler flags used only in building this package,
- and details of which tests are built."
-
-
- cdl_option CYGPKG_IO_CAN_CFLAGS_ADD {
- display "Additional compiler flags"
- flavor data
- no_define
- default_value { "" }
- description "
- This option modifies the set of compiler flags for
- building the CAN device drivers. These flags are used in addition
- to the set of global flags."
+
+ cdl_option CYGBLD_IO_CAN_EXTRA_TESTS {
+ display "Build extra CAN tests"
+ default_value 0
+ no_define
+ description "
+ This option enables the building of some extra tests which
+ can be used when testing / debugging CAN drivers. These
+ are not built by default since they do not use the dedicated
+ testing infrastructure. All tests require a properly configured
+ CAN network with a second CAN node that can send and receive
+ CAN messages."
+
+ make -priority 320 {
+ <PREFIX>/bin/can_load : <PACKAGE>/tests/can_load.c
+ @sh -c "mkdir -p tests $(dir $@)"
+ $(CC) -c $(INCLUDE_PATH) -Wp,-MD,deps.tmp -I$(dir $<) $(CFLAGS) -o tests/can_load.o $<
+ @echo $@ ": \\" > $(notdir $@).deps
+ @echo $(wildcard $(PREFIX)/lib/*) " \\" >> $(notdir $@).deps
+ @tail -n +2 deps.tmp >> $(notdir $@).deps
+ @echo >> $(notdir $@).deps
+ @rm deps.tmp
+ $(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -o $@ tests/can_load.o
}
-
- cdl_option CYGPKG_IO_CAN_CFLAGS_REMOVE {
- display "Suppressed compiler flags"
- flavor data
- no_define
- default_value { "" }
- description "
- This option modifies the set of compiler flags for
- building the CAN device drivers. These flags are removed from
- the set of global flags if present."
+
+ make -priority 320 {
+ <PREFIX>/bin/can_remote : <PACKAGE>/tests/can_remote.c
+ @sh -c "mkdir -p tests $(dir $@)"
+ $(CC) -c $(INCLUDE_PATH) -Wp,-MD,deps.tmp -I$(dir $<) $(CFLAGS) -o tests/can_remote.o $<
+ @echo $@ ": \\" > $(notdir $@).deps
+ @echo $(wildcard $(PREFIX)/lib/*) " \\" >> $(notdir $@).deps
+ @tail -n +2 deps.tmp >> $(notdir $@).deps
+ @echo >> $(notdir $@).deps
+ @rm deps.tmp
+ $(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -o $@ tests/can_remote.o
+ }
+
+ make -priority 320 {
+ <PREFIX>/bin/can_tx : <PACKAGE>/tests/can_tx.c
+ @sh -c "mkdir -p tests $(dir $@)"
+ $(CC) -c $(INCLUDE_PATH) -Wp,-MD,deps.tmp -I$(dir $<) $(CFLAGS) -o tests/can_tx.o $<
+ @echo $@ ": \\" > $(notdir $@).deps
+ @echo $(wildcard $(PREFIX)/lib/*) " \\" >> $(notdir $@).deps
+ @tail -n +2 deps.tmp >> $(notdir $@).deps
+ @echo >> $(notdir $@).deps
+ @rm deps.tmp
+ $(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -o $@ tests/can_tx.o
+ }
+
+ make -priority 320 {
+ <PREFIX>/bin/can_filter : <PACKAGE>/tests/can_filter.c
+ @sh -c "mkdir -p tests $(dir $@)"
+ $(CC) -c $(INCLUDE_PATH) -Wp,-MD,deps.tmp -I$(dir $<) $(CFLAGS) -o tests/can_filter.o $<
+ @echo $@ ": \\" > $(notdir $@).deps
+ @echo $(wildcard $(PREFIX)/lib/*) " \\" >> $(notdir $@).deps
+ @tail -n +2 deps.tmp >> $(notdir $@).deps
+ @echo >> $(notdir $@).deps
+ @rm deps.tmp
+ $(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -o $@ tests/can_filter.o
+ }
+
+ make -priority 320 {
+ <PREFIX>/bin/can_hdi : <PACKAGE>/tests/can_hdi.c
+ @sh -c "mkdir -p tests $(dir $@)"
+ $(CC) -c $(INCLUDE_PATH) -Wp,-MD,deps.tmp -I$(dir $<) $(CFLAGS) -o tests/can_hdi.o $<
+ @echo $@ ": \\" > $(notdir $@).deps
+ @echo $(wildcard $(PREFIX)/lib/*) " \\" >> $(notdir $@).deps
+ @tail -n +2 deps.tmp >> $(notdir $@).deps
+ @echo >> $(notdir $@).deps
+ @rm deps.tmp
+ $(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -o $@ tests/can_hdi.o
}
-
}
}
projects / karo-tx-redboot.git / blobdiff