diff --git a/geeksville-private/TODO.md b/geeksville-private/TODO.md
index 53608c94c..1e5811508 100644
--- a/geeksville-private/TODO.md
+++ b/geeksville-private/TODO.md
@@ -2,13 +2,33 @@
 
 You probably don't care about this section - skip to the next one.
 
-* list portduino on platformio
+* assertion failur
+22:57:36 64409 [PositionPlugin] FIXME-update-db Sniffing packet
+22:57:36 64409 [PositionPlugin] Delivering rx packet (id=0x5851f437 Fr0xa1 To0xff, WantAck0, HopLim3 Ch0x0 Portnum=3 rxtime=1628895456 priority=10)
+22:57:36 64409 [PositionPlugin] Forwarding to phone (id=0x5851f437 Fr0xa1 To0xff, WantAck0, HopLim3 Ch0x0 Portnum=3 rxtime=1628895456 priority=10)
+22:57:36 64409 [PositionPlugin] Update DB node 0x85f4da1, rx_time=1628895456
+22:57:36 64409 [PositionPlugin] Plugin routing considered
+22:57:36 64409 [PositionPlugin] Add packet record (id=0x5851f437 Fr0xa1 To0xff, WantAck0, HopLim3 Ch0x0 Portnum=3 rxtime=1628895456 priority=10)
+22:57:36 64409 [PositionPlugin] Expanding short PSK #1
+22:57:36 64409 [PositionPlugin] Installing AES128 key!
+22:57:36 64409 [PositionPlugin] enqueuing for send (id=0x5851f437 Fr0xa1 To0xff, WantAck0, HopLim3 Ch0xb1 encrypted rxtime=1628895456 priority=10)
+22:57:36 64409 [PositionPlugin] (bw=125, sf=12, cr=4/8) packet symLen=32 ms, payloadSize=22, time 2596 ms
+22:57:36 64409 [PositionPlugin] txGood=6,rxGood=10,rxBad=0
+22:57:36 64409 [PositionPlugin] AirTime - Packet transmitted : 2596ms
+22:57:36 64409 [RadioIf] assert failed src/mesh/RadioLibInterface.cpp: 240, void RadioLibInterface::handleReceiveInterrupt(), test=isReceiving
+
+
+add segger systemview documentation
+
+* USB nrf52 blocks on reads!!! https://github.com/meshtastic/Meshtastic-device/issues/838
+* send debug info 'in-band'
+* fix wifi connections for mqtt
 * router mode dropping messages? https://meshtastic.discourse.group/t/router-mode-missing-messages/3329/3
-* fix ttgo eink screen
+* usb lora dongle from pine64
+  
+* list portduino on platformio
 * figure our wss for mqtt.meshtastic - use cloudflare? 2052 ws, 2053 crypt
 * measure rak4630 power draw and turn off power for GPS most of the time.  We should be able to run on the small solar panel.
-* pine64 lora module
-* @havealoha fixedposition not working
 * ask for vercel access
 * finish plan for riot.im
 * turn on setTx(timeout) and   state = setDioIrqParams(SX126X_IRQ_TX_DONE | SX126X_IRQ_TIMEOUT, SX126X_IRQ_TX_DONE | SX126X_IRQ_TIMEOUT); in sx1262 code
diff --git a/platformio.ini b/platformio.ini
index 2ed1d9928..79f838f82 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -362,6 +362,7 @@ upload_protocol = jlink
 # add our variants files to the include and src paths
 # define build flags for the TFT_eSPI library - NOTE: WE NOT LONGER USE TFT_eSPI, it was for an earlier version of the TTGO eink screens
 # -DBUSY_PIN=3 -DRST_PIN=2 -DDC_PIN=28 -DCS_PIN=30
+# add -DCFG_SYSVIEW if you want to use the Segger systemview tool for OS profiling.
 build_flags = ${nrf52840_base.build_flags} -Ivariants/t-echo 
 src_filter = ${nrf52_base.src_filter} +<../variants/t-echo>
 lib_deps = 
diff --git a/src/main.cpp b/src/main.cpp
index eecdd0bf1..3e845e22d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -646,7 +646,9 @@ void loop()
                   mainController.nextThread->tillRun(millis())); */
 
     // We want to sleep as long as possible here - because it saves power
-    if (!runASAP && loopCanSleep())
+    if (!runASAP && loopCanSleep()) {
+        // if(delayMsec > 100) DEBUG_MSG("sleeping %ld\n", delayMsec);
         mainDelay.delay(delayMsec);
+    }
     // if (didWake) DEBUG_MSG("wake!\n");
 }
diff --git a/src/mesh/StreamAPI.cpp b/src/mesh/StreamAPI.cpp
index 3e52506c7..e930f4f77 100644
--- a/src/mesh/StreamAPI.cpp
+++ b/src/mesh/StreamAPI.cpp
@@ -26,7 +26,11 @@ int32_t StreamAPI::readStream()
         return recentRx ? 5 : 250;
     } else {
         while (stream->available()) { // Currently we never want to block
-            uint8_t c = stream->read();
+            int cInt = stream->read();
+            if(cInt < 0)
+                break; // We ran out of characters (even though available said otherwise) - this can happen on rf52 adafruit arduino
+
+            uint8_t c = (uint8_t) cInt;
 
             // Use the read pointer for a little state machine, first look for framing, then length bytes, then payload
             size_t ptr = rxPtr;
diff --git a/src/nrf52/main-nrf52.cpp b/src/nrf52/main-nrf52.cpp
index 647aefe2b..ab109205b 100644
--- a/src/nrf52/main-nrf52.cpp
+++ b/src/nrf52/main-nrf52.cpp
@@ -5,7 +5,7 @@
 #include <ble_gap.h>
 #include <memory.h>
 #include <stdio.h>
-#include <Adafruit_USBD_Device.h>
+// #include <Adafruit_USBD_Device.h>
 
 #include "NRF52Bluetooth.h"
 #include "error.h"
@@ -22,7 +22,9 @@ static inline void debugger_break(void)
 
 bool loopCanSleep() {
     // turn off sleep only while connected via USB
-    return !(TinyUSBDevice.mounted() && !TinyUSBDevice.suspended());
+    // return true;
+    return !Serial; // the bool operator on the nrf52 serial class returns true if connected to a PC currently
+    // return !(TinyUSBDevice.mounted() && !TinyUSBDevice.suspended());
 }
 
 // handle standard gcc assert failures
@@ -92,7 +94,7 @@ void setBluetoothEnable(bool on)
 }
 
 /**
- * Override printf to use the SEGGER output library
+ * Override printf to use the SEGGER output library (note - this does not effect the printf method on the debug console)
  */
 int printf(const char *fmt, ...)
 {
diff --git a/version.properties b/version.properties
index 38a22e382..fd3c5049f 100644
--- a/version.properties
+++ b/version.properties
@@ -1,4 +1,4 @@
 [VERSION]  
 major = 1  
 minor = 2
-build = 43
+build = 44