Changes needed to compile again with new idf

platforms/esp/32/clockless_rmt_esp32.cpp

@@ -6,7 +6,10 @@
 #include "esp_idf_version.h"
 
 #include "hal/rmt_ll.h"
+#include "driver/rmt.h"
 
+// RMTMEM address is declared in <target>.peripherals.ld
+extern "C" rmt_mem_t RMTMEM;
 
 // -- Forward reference
 class ESP32RMTController;
@@ -446,11 +449,7 @@ void ESP32RMTController::startOnChannel(int channel)
 
         // -- Initialize the counters that keep track of where we are in
         //    the pixel data and the RMT buffer
-        mRMT_mem_start = & (RMTMEM.chan[mRMT_channel].data32[0]
-#ifdef OLD_IDF
-                               .val
-#endif
-                           );
+        mRMT_mem_start = & (RMTMEM.chan[mRMT_channel].data32[0].val);
         mRMT_mem_ptr = mRMT_mem_start;
         mCur = 0;
         mWhichHalf = 0;