fixed rmt receive data pointer position. (#2353)

Author: hancheol-cho

cores/esp32/esp32-hal-rmt.c

@@ -637,13 +637,13 @@ static void IRAM_ATTR _rmt_isr(void* arg)
 data+=MAX_DATA_PER_CHANNEL*(g_rmt_objects[ch].buffers);
  }
  }
+uint32_t*data_received=data;
 for (i=0; i<g_rmt_objects[ch].data_size; i++ ) {
 *data++=RMTMEM.chan[ch].data32[i].val;
  }
 if (g_rmt_objects[ch].cb) {
-// actually received data ptr
-uint32_t*data=g_rmt_objects[ch].data_ptr;
- (g_rmt_objects[ch].cb)(data, _rmt_get_mem_len(ch));
+// actually received data ptr 
+ (g_rmt_objects[ch].cb)(data_received, _rmt_get_mem_len(ch));
 
 // restart the reception
 RMT.conf_ch[ch].conf1.mem_owner=1;