Add scrap command

plugins/DaphneController.cpp

@@ -32,6 +32,7 @@ DaphneController::DaphneController(const std::string& name)
   : dunedaq::appfwk::DAQModule(name)
 {
   register_command("conf", &DaphneController::do_conf);
+  register_command("scrap", &DaphneController::do_scrap);
   register_command("dump_buffers", &DaphneController::dump_buffers);
 }
 
@@ -139,7 +140,7 @@ DaphneController::do_conf(const data_t& conf_as_json)
 
   configure_timing_endpoints();
 
-  configure_analog_chain();
+  configure_analog_chain(true);
 
   align_DDR();
 
@@ -162,6 +163,39 @@ DaphneController::do_conf(const data_t& conf_as_json)
 }
 
 
+void
+DaphneController::do_scrap(const data_t& conf_as_json)
+{
+  auto start_time = std::chrono::high_resolution_clock::now();
+
+  // during configuration no other operations are allowed
+  const std::lock_guard<std::mutex> lock(m_mutex);
+
+  // we want to write 0 in all the bias variables an all the trims
+  m_bias_ctrl = 0;
+  for ( auto & c : m_afe_confs ) {
+    c.v_bias = 0;
+  }
+  for ( auto & c : m_channel_confs ) {
+    c.trim = 0;
+  }
+
+  configure_analog_chain(false);
+
+  // break the interface
+  m_interface.release();
+
+  m_full_stream_channels.clear();
+
+  auto end_time = std::chrono::high_resolution_clock::now();
+
+  auto duration = std::chrono::duration_cast<std::chrono::microseconds>(end_time - start_time);
+  TLOG() << get_name() << ": board releasd in " << duration.count() << " microseconds";
+
+}
+
+
+
 void
 DaphneController::create_interface(const std::string & ip) {
 
@@ -408,14 +442,16 @@ DaphneController::configure_timing_endpoints() {
 
 }
 
-void DaphneController::configure_analog_chain() {
+void DaphneController::configure_analog_chain(bool initial_config) {
 
   TLOG() << get_name() << ": configuring analog chain";
-
-  auto result = m_interface->send_command("CFG AFE ALL INITIAL");
-  TLOG() << result.command << " -> " << result.result;
 
-  result = m_interface->send_command("WR VBIASCTRL V " + std::to_string(m_bias_ctrl));
+  if ( initial_config) {
+    auto result = m_interface->send_command("CFG AFE ALL INITIAL");
+    TLOG() << result.command << " -> " << result.result;
+  }
+
+  auto result = m_interface->send_command("WR VBIASCTRL V " + std::to_string(m_bias_ctrl));
   TLOG() << result.command << " -> " << result.result;
 
   for ( size_t ch = 0; ch < m_channel_confs.size() ; ++ch ) {

plugins/DaphneController.hpp

@@ -145,13 +145,14 @@ class DaphneController : public dunedaq::appfwk::DAQModule
 
   // Commands DaphneController can receive
   void do_conf(const data_t&);
+  void do_scrap(const data_t&);
   void dump_buffers(const data_t&);
 
   // specific actions
   void create_interface( const std::string & ip ) ;
   void validate_configuration(const daphnecontroller::Conf &);   
   void configure_timing_endpoints();
-  void configure_analog_chain();
+  void configure_analog_chain(bool intial_config);
   void align_DDR();
   void configure_trigger_mode();