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Commit1557550

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Basic struct and unpack func in -c main source code.
1 parentbf0ed04 commit1557550

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2 files changed

+93
-0
lines changed

2 files changed

+93
-0
lines changed

‎src/codegen/c-main-generator.cpp‎

Lines changed: 89 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -48,6 +48,10 @@ void CiMainGenerator::Generate(std::vector<MessageDescriptor_t*>& msgs, const Fs
4848
// Load income messages to sig printer
4949
sigprt->LoadMessages(msgs);
5050

51+
// save pointer to output file descriptor struct to
52+
// enable using this information inside class member functions
53+
fdesc = &fsd;
54+
5155
std::sort(sigprt->sigs_expr.begin(), sigprt->sigs_expr.end(),
5256
[](const CiExpr_t* a,const CiExpr_t* b) ->bool
5357
{
@@ -177,7 +181,59 @@ void CiMainGenerator::Generate(std::vector<MessageDescriptor_t*>& msgs, const Fs
177181
fwriter->Flush(fsd.core_h.fpath);
178182

179183
// 3 step is to print main source file
184+
// include main header file
185+
fwriter->AppendLine(PrintF("#include""%s""", fsd.core_h.fname.c_str()),3);
186+
187+
// put diagmonitor ifdef selection for including @drv-fmon header
188+
// with FMon_* signatures to call from unpack function
189+
fwriter->AppendLine(PrintF("#ifdef %s", fsd.usemon_def.c_str()));
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191+
fwriter->AppendText(
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"// This file must define:\n"
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"// base monitor struct\n"
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"// function signature for CRC calculation\n"
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"// function signature for getting system tick value (100 us step)\n");
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fwriter->AppendLine(PrintF("#include""%s-fmon.h""", fsd.drvname.c_str()),2);
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fwriter->AppendLine(PrintF("#endif // %s", fsd.usemon_def.c_str()),3);
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201+
// for each message 3 functions must be defined - 1 unpack function,
202+
// 2: pack with raw signature
203+
// 3: pack with canstruct
204+
for (size_t num =0; num < sigprt->sigs_expr.size(); num++)
205+
{
206+
// write message typedef s and additional expressions
207+
MessageDescriptor_t& m = sigprt->sigs_expr[num]->msg;
208+
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// first function
210+
fwriter->AppendLine(
211+
PrintF("uint32_t Unpack_%s_%s(%s_t* _m, const uint8_t* _d, uint8_t dlc_)\n{",
212+
m.Name.c_str(), fsd.DrvName_orig.c_str(), m.Name.c_str()));
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WriteUnpackBody(sigprt->sigs_expr[num]);
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fwriter->AppendLine("}",2);
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fwriter->AppendLine(PrintF("#ifdef %s", fsd.usesruct_def.c_str()));
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// second function
222+
fwriter->AppendLine(
223+
PrintF("uint32_t Pack_%s_%s(const %s_t* _m, __CoderDbcCanFrame_t__* cframe);",
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m.Name.c_str(), fsd.DrvName_orig.c_str(), m.Name.c_str()));
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fwriter->AppendLine("#else");
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// third function
229+
fwriter->AppendLine(
230+
PrintF("uint32_t Pack_%s_%s(const %s_t* _m, uint8_t* _d, uint8_t* _len, uint8_t* _ide);",
231+
m.Name.c_str(), fsd.DrvName_orig.c_str(), m.Name.c_str()));
232+
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fwriter->AppendLine(PrintF("#endif // %s", fsd.usesruct_def.c_str()),2);
234+
}
235+
236+
fwriter->Flush(fsd.core_c.fpath);
181237
// 4 step is to pring fmon head file
182238

183239
// 5 step is to print fmon source file
@@ -237,3 +293,36 @@ void CiMainGenerator::WriteSigStructField(const SignalDescriptor_t& sig, bool bi
237293
fwriter->AppendLine("",2);
238294
}
239295

296+
voidCiMainGenerator::WriteUnpackBody(const CiExpr_t* sgs)
297+
{
298+
for (size_t num =0; num < sgs->to_signals.size(); num++)
299+
{
300+
auto expr = sgs->to_signals[num];
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fwriter->AppendLine(PrintF(" _m->%s = %s;", sgs->msg.Signals[num].Name.c_str(), expr.c_str()));
303+
}
304+
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fwriter->AppendLine("");
306+
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fwriter->AppendLine(PrintF("#ifdef %s", fdesc->usemon_def.c_str()));
308+
309+
fwriter->AppendLine(" // check DLC correctness");
310+
fwriter->AppendLine(PrintF(" _m->mon1.dlc_error = (dlc_ < %s_DLC);", sgs->msg.Name.c_str()));
311+
312+
313+
// TODO: put CRC and ROLLING COUNTER tests here
314+
// 1
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// 2
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317+
318+
fwriter->AppendLine(" _m->mon1.last_cycle = GetSysTick();");
319+
fwriter->AppendLine(" _m->mon1.frame_cnt++;",2);
320+
321+
auto Fmon_func ="FMon_" + sgs->msg.Name +"_" + fdesc->drvname;
322+
323+
fwriter->AppendLine(PrintF(" %s(&_m->mon1);", Fmon_func.c_str()));
324+
325+
fwriter->AppendLine(PrintF("#endif // %s", fdesc->usemon_def.c_str()),2);
326+
327+
fwriter->AppendLine(PrintF(" return %s_CANID;", sgs->msg.Name.c_str()));
328+
}

‎src/codegen/c-main-generator.h‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -17,10 +17,14 @@ class CiMainGenerator {
1717

1818
voidWriteSigStructField(const SignalDescriptor_t& sig,bool bitfield,size_t pad);
1919

20+
voidWriteUnpackBody(const CiExpr_t* sgs);
21+
2022
private:
2123
std::vector<std::string> tmpvect;
2224

2325
CSigPrinter* sigprt;
2426

2527
FileWriter* fwriter;
28+
29+
const FsDescriptor_t* fdesc;
2630
};

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