wait longer after soft restart

Author: mkalkbrenner

platforms/config.sh

@@ -2,7 +2,7 @@
 
 set -e
 
-IO_BOARDS_SHA=b45e1154c041b25fb4206e31d35fa0a5800f2c37
+IO_BOARDS_SHA=2e524ec19edfafeb868fdc65af6b1e4df7bde38f
 LIBSERIALPORT_SHA=21b3dfe5f68c205be4086469335fd2fc2ce11ed2
 YAML_CPP_SHA=28f93bdec6387d42332220afa9558060c8016795
 

src/RS485Comm.cpp

@@ -433,9 +433,13 @@ bool RS485Comm::RestartBoards() {
     return false;
   }
   sp_drain(m_pSerialPort);
-  std::this_thread::sleep_for(std::chrono::milliseconds(100));
+  // Soft restart keeps the RP2040 alive, but a board with heavier local
+  // teardown work (for example WS2812/effects state on the first board on the
+  // bus) may need a little longer before it can reliably acknowledge the first
+  // config frame of the next session.
+  std::this_thread::sleep_for(std::chrono::milliseconds(250));
   sp_flush(m_pSerialPort, SP_BUF_INPUT);
-  std::this_thread::sleep_for(std::chrono::milliseconds(100));
+  std::this_thread::sleep_for(std::chrono::milliseconds(150));
   return true;
 }