lpcmanager

iec60870: add draft C template files and linking with crossbuilt IEC60870 library.
iec60870
2 months ago, Tomaz Orac
d263bbb72087
Parents bc72858a757c
Children 128f466480aa
iec60870: add draft C template files and linking with crossbuilt IEC60870 library.
3 files changed, 69 insertions(+), 1 deletions(-)
  • +34 -1
    iec60870/iec60870.py
  • +29 -0
    iec60870/iec60870_runtime.c
  • +6 -0
    iec60870/iec60870_runtime.h
    • --- a/iec60870/iec60870.py Fri Apr 10 11:20:01 2026 +0200
    +++ b/iec60870/iec60870.py Fri Apr 10 15:25:38 2026 +0200
    @@ -7,7 +7,9 @@
    from ConfigTreeNode import ConfigTreeNode
    from PLCControler import LOCATION_CONFNODE, LOCATION_VAR_INPUT, \
    LOCATION_VAR_OUTPUT, LOCATION_VAR_MEMORY
    +import util.paths as paths
    +iec60870_path = paths.ThirdPartyPath("IEC60870")
    # (type_id, IEC_type, datasize, direction, size_code, description)
    # direction: "I" for monitor (input), "Q" for control (output), "M" for memory
    @@ -469,4 +471,35 @@
    a3=port1, a4=addr1, a5=addr2)
    self.FatalError(error_message)
    - return [], "", False
    + # define a unique name for the generated C and h files
    + current_location = self.GetCurrentLocation()
    +
    + prefix = "_".join(map(str, current_location))
    + gen_iec60870_c_path = os.path.join(buildpath, "iec60870_%s.c" % prefix)
    + gen_iec60870_h_path = os.path.join(buildpath, "iec60870_%s.h" % prefix)
    + c_filename = os.path.join(os.path.split(__file__)[0], "iec60870_runtime.c")
    + h_filename = os.path.join(os.path.split(__file__)[0], "iec60870_runtime.h")
    +
    + # TODO: get located variables and merge them with template files
    + loc_vars = []
    + loc_dict = {"locstr": "_".join(map(str, self.GetCurrentLocation()))}
    + loc_dict["loc_vars"] = "\n".join(loc_vars)
    +
    + # create output files using templates
    + iec60870_main = open(h_filename).read() % loc_dict
    + f = open(gen_iec60870_h_path, 'w')
    + f.write(iec60870_main)
    + f.close()
    +
    + iec60870_main = open(c_filename).read() % loc_dict
    + f = open(gen_iec60870_c_path, 'w')
    + f.write(iec60870_main)
    + f.close()
    +
    + LDFLAGS = []
    + LDFLAGS.append(" \"-L" + iec60870_path + "\"")
    + #TODO: fix lib name
    + LDFLAGS.append(" \"" + os.path.join(iec60870_path, "liblib60870.a") + "\"")
    + LDFLAGS.append(" \"-Wl,-rpath," + iec60870_path + "\"")
    +
    + return [(gen_iec60870_c_path, ' -I"' + iec60870_path + '"')], LDFLAGS, False
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/iec60870/iec60870_runtime.c Fri Apr 10 15:25:38 2026 +0200
    @@ -0,0 +1,29 @@
    +/* iec60870 runtime C extension
    + * TODO: plugin-specific init/publish/retrieve/cleanup functions
    + * which Beremiz runtime can link and call.
    + */
    +
    +#include <stdio.h>
    +#include <string.h>
    +
    +
    +int __init_iec60870(int argc, char **argv) {
    + fprintf(stderr, "iec60870 extension: __init_iec60870\n");
    + // TODO: initialize resources, threads, state
    + return 0;
    +}
    +
    +void __publish_iec60870(void) {
    + // TODO: sync data from PLC to extension outputs (if needed)
    +}
    +
    +void __retrieve_iec60870(void) {
    + // TODO: sync data from extension inputs to PLC (if needed)
    +}
    +
    +int __cleanup_iec60870(void) {
    +
    + fprintf(stderr, "iec60870 extension: __cleanup_iec60870\n");
    + // TODO: release resources, stop threads
    + return 0;
    +}
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/iec60870/iec60870_runtime.h Fri Apr 10 15:25:38 2026 +0200
    @@ -0,0 +1,6 @@
    +
    +/*******************/
    +/*located variables*/
    +/*******************/
    +
    +%(loc_vars)s
    \ No newline at end of file