feat: add UioAxiDmaIf::dump_status()

Author: patrislav1

example/demo_cpp/src/axi_dma_demo.cpp

@@ -147,6 +147,7 @@ int main(int argc, char* argv[]) {
         if (g_stop_loop) {
             data_handler.stop();
             fut.wait();
+            axi_dma->dump_status();
             break;
         }
     }

example/demo_python/axi_dma_demo.py

@@ -169,6 +169,7 @@ def main():
     print(f'{words_total} words OK')
     traffic_gen.stop()
     data_handler.stop()
+    axi_dma.dump_status()
 
 
 if __name__ == '__main__':

inc/udmaio/UioAxiDmaIf.hpp

@@ -41,6 +41,9 @@ class UioAxiDmaIf : public UioIf, AxiDmaBlock {
     /// @brief Check status register and log any errors
     /// @return true if any error occurred
     bool check_for_errors();
+
+    /// @brief Dump all status register flags in the log
+    void dump_status();
 };
 
 }  // namespace udmaio

pyudmaio/src/PythonBinding.cpp

@@ -109,7 +109,8 @@ PYBIND11_MODULE(binding, m) {
     py::class_<udmaio::UioAxiDmaIf, udmaio::UioIf, std::shared_ptr<udmaio::UioAxiDmaIf>>(
         m,
         "UioAxiDmaIf")
-        .def(py::init<udmaio::UioDeviceLocation>());
+        .def(py::init<udmaio::UioDeviceLocation>())
+        .def("dump_status", &udmaio::UioAxiDmaIf::dump_status);
 
     py::class_<udmaio::UioMemSgdma, udmaio::UioIf, std::shared_ptr<udmaio::UioMemSgdma>>(
         m,

src/DataHandlerAbstract.cpp

@@ -64,6 +64,7 @@ void DataHandlerAbstract::_handle_input(const boost::system::error_code& ec) {
     if (dma_stat.err_irq && _dma.check_for_errors()) {
         BOOST_LOG_SEV(_lg, bls::fatal)
             << "DMA error, curr.desc 0x" << std::hex << _dma.get_curr_desc();
+        _dma.dump_status();
         _desc.print_descs();
         throw std::runtime_error("DMA engine error raised");
     }

src/UioAxiDmaIf.cpp

@@ -15,6 +15,29 @@
 #include <ios>
 #include <stdexcept>
 
+#include "udmaio/FrameFormat.hpp"
+
+namespace axi_dma {
+
+std::ostream& operator<<(std::ostream& os, const s2mm_dmasr_t& stat) {
+    auto fmt = [](std::string name, bool val) { return (val ? "+" : "-") + name; };
+    os << fmt("halted", stat.halted) << " ";
+    os << fmt("idle", stat.idle) << " ";
+    os << fmt("sg_incld", stat.sg_incld) << " ";
+    os << fmt("dma_int_err", stat.dma_int_err) << " ";
+    os << fmt("dma_slv_err", stat.dma_slv_err) << " ";
+    os << fmt("dma_dec_err", stat.dma_dec_err) << " ";
+    os << fmt("sg_int_err", stat.sg_int_err) << " ";
+    os << fmt("sg_slv_err", stat.sg_slv_err) << " ";
+    os << fmt("sg_dec_err", stat.sg_dec_err) << " ";
+    os << fmt("ioc_irq", stat.ioc_irq) << " ";
+    os << fmt("dly_irq", stat.dly_irq) << " ";
+    os << fmt("err_irq", stat.err_irq);
+    return os;
+}
+
+}  // namespace axi_dma
+
 namespace udmaio {
 
 void UioAxiDmaIf::start(uintptr_t start_desc) {
@@ -123,4 +146,7 @@ bool UioAxiDmaIf::check_for_errors() {
     return has_errors;
 }
 
+void UioAxiDmaIf::dump_status() {
+    BOOST_LOG_SEV(_lg, bls::info) << s2mm_dmasr.rd();
+}
 }  // namespace udmaio