Added Voltage/Current sensing interface

toggle it on with 'v' in the main menu. You'll need the new Wokwi bridge app to connect the current sensor lines

Jumperless Wokwi Bridge App/JumperlessWokwiBridge.py

@@ -629,8 +629,11 @@ while True:
             print("\n\n\rsketch.ino\n\r")
             print(sketch)
             
-            print("\n\n\rlibraries.txt\n\r")
+            try: 
-            print(libraries)
+                print("\n\n\rlibraries.txt\n\r")
+                print(libraries)
+            except:
+                print("\n\n\rNo libraries.txt\n\r")
 
         # if (justreconnected == 1):
 
@@ -662,6 +665,10 @@ while True:
                         conn1 = "112"
                     elif conn1.endswith('3'):
                         conn1 = "113"
+                    elif conn1.endswith('4'):
+                        conn1 = "108"
+                    elif conn1.endswith('5'):
+                        conn1 = "109"                        
 
                 if conn1.startswith("bb1:") == True:
                     periodIndex = conn1.find('.')
@@ -727,6 +734,10 @@ while True:
                         conn2 = "112"
                     elif conn2.endswith('3'):
                         conn2 = "113"
+                    elif conn2.endswith('4'):
+                        conn2 = "108"
+                    elif conn2.endswith('5'):
+                        conn2 = "109"
 
                 if conn2.startswith("bb1:") == True:
                     periodIndex = conn2.find('.')

Jumperless Wokwi Bridge App/savedWokwiProjects.txt

@@ -2,4 +2,5 @@ fuck		https://wokwi.com/projects/369614891595393025
 
fuck2		https://wokwi.com/projects/367384677537829889
 
fuck3		https://wokwi.com/projects/369024970682423297
 
LEDarray		https://wokwi.com/projects/370450364106546177
+
current		https://wokwi.com/projects/374273521728204801
 

JumperlessNano/src/ArduinoStuff.cpp

@@ -14,7 +14,7 @@
 
 //SerialPIO ardSerial(1, 0);
 
-void initArduino (void)
+void initArduino (void) //if the UART is set up, the Arduino won't flash from it's own USB port
 {
 
 //Serial1.setRX(1);

JumperlessNano/src/CH446Q.cpp

@@ -237,7 +237,10 @@ void sendPath(int i, int setOrClear)
 
       if (path[i].y[chip] == -1 || path[i].x[chip] == -1)
       {
-        // Serial.print("!");
+        if (debugNTCC)
+         Serial.print("!");
+
+         
         continue;
       }
 

JumperlessNano/src/FileParsing.cpp

@@ -660,6 +660,24 @@ void parseStringToBridges(void)
 void debugFlagInit(void)
 {
 
+    if (EEPROM.read(FIRSTSTARTUPADDRESS) == 255)
+    {
+        EEPROM.write(FIRSTSTARTUPADDRESS, 0);
+        EEPROM.write(DEBUG_FILEPARSINGADDRESS, 0);
+        EEPROM.write(TIME_FILEPARSINGADDRESS, 0);
+        EEPROM.write(DEBUG_NETMANAGERADDRESS, 0);
+        EEPROM.write(TIME_NETMANAGERADDRESS, 0);
+        EEPROM.write(DEBUG_NETTOCHIPCONNECTIONSADDRESS, 0);
+        EEPROM.write(DEBUG_NETTOCHIPCONNECTIONSALTADDRESS, 0);
+        EEPROM.write(DEBUG_LEDSADDRESS, 0);
+        EEPROM.write(LEDBRIGHTNESSADDRESS, DEFAULTBRIGHTNESS);
+        EEPROM.write(RAILBRIGHTNESSADDRESS, DEFAULTRAILBRIGHTNESS);
+        EEPROM.write(SPECIALBRIGHTNESSADDRESS, DEFAULTSPECIALNETBRIGHTNESS);
+       
+        EEPROM.commit();
+        delay(5);
+    }
+
 #ifdef EEPROMSTUFF
     debugFP = EEPROM.read(DEBUG_FILEPARSINGADDRESS);
     debugFPtime = EEPROM.read(TIME_FILEPARSINGADDRESS);
@@ -741,18 +759,18 @@ void debugFlagSet(int flag)
     case 1:
     {
         flagStatus = EEPROM.read(DEBUG_FILEPARSINGADDRESS);
-        if (flagStatus == 1)
+        if (flagStatus == 0)
-        {
-            EEPROM.write(DEBUG_FILEPARSINGADDRESS, 0);
-
-            debugFP = false;
-        }
-        else
         {
             EEPROM.write(DEBUG_FILEPARSINGADDRESS, 1);
 
             debugFP = true;
         }
+        else
+        {
+            EEPROM.write(DEBUG_FILEPARSINGADDRESS, 0);
+
+            debugFP = false;
+        }
 
         break;
     }
@@ -760,18 +778,18 @@ void debugFlagSet(int flag)
     {
         flagStatus = EEPROM.read(TIME_FILEPARSINGADDRESS);
 
-        if (flagStatus == 1)
+        if (flagStatus == 0)
-        {
-            EEPROM.write(TIME_FILEPARSINGADDRESS, 0);
-
-            debugFPtime = false;
-        }
-        else
         {
             EEPROM.write(TIME_FILEPARSINGADDRESS, 1);
 
             debugFPtime = true;
         }
+        else
+        {
+            EEPROM.write(TIME_FILEPARSINGADDRESS, 0);
+
+            debugFPtime = false;
+        }
 
         break;
     }
@@ -779,72 +797,73 @@ void debugFlagSet(int flag)
     {
         flagStatus = EEPROM.read(DEBUG_NETMANAGERADDRESS);
 
-        if (flagStatus == 1)
+        if (flagStatus == 0)
-        {
-            EEPROM.write(DEBUG_NETMANAGERADDRESS, 0);
-
-            debugNM = false;
-        }
-        else
         {
             EEPROM.write(DEBUG_NETMANAGERADDRESS, 1);
 
             debugNM = true;
         }
+        else
+        {
+            EEPROM.write(DEBUG_NETMANAGERADDRESS, 0);
+
+            debugNM = false;
+        }
         break;
     }
     case 4:
     {
         flagStatus = EEPROM.read(TIME_NETMANAGERADDRESS);
 
-        if (flagStatus == 1)
+        if (flagStatus == 0)
-        {
-            EEPROM.write(TIME_NETMANAGERADDRESS, 0);
-
-            debugNMtime = false;
-        }
-        else
         {
             EEPROM.write(TIME_NETMANAGERADDRESS, 1);
 
             debugNMtime = true;
         }
+        else
+        {
+            EEPROM.write(TIME_NETMANAGERADDRESS, 0);
+
+            debugNMtime = false;
+        }
         break;
     }
     case 5:
     {
         flagStatus = EEPROM.read(DEBUG_NETTOCHIPCONNECTIONSADDRESS);
 
-        if (flagStatus == 1)
+        if (flagStatus == 0)
-        {
-            EEPROM.write(DEBUG_NETTOCHIPCONNECTIONSADDRESS, 0);
-
-            debugNTCC = false;
-        }
-        else
         {
             EEPROM.write(DEBUG_NETTOCHIPCONNECTIONSADDRESS, 1);
 
             debugNTCC = true;
         }
+        else
+        {
+            EEPROM.write(DEBUG_NETTOCHIPCONNECTIONSADDRESS, 0);
+
+            debugNTCC = false;
+        }
 
         break;
     }
     case 6:
     {
         flagStatus = EEPROM.read(DEBUG_NETTOCHIPCONNECTIONSALTADDRESS);
-        if (flagStatus == 1)
-        {
-            EEPROM.write(DEBUG_NETTOCHIPCONNECTIONSALTADDRESS, 0);
 
-            debugNTCC2 = false;
+        if (flagStatus == 0)
-        }
-        else
         {
             EEPROM.write(DEBUG_NETTOCHIPCONNECTIONSALTADDRESS, 1);
 
             debugNTCC2 = true;
         }
+        else
+        {
+            EEPROM.write(DEBUG_NETTOCHIPCONNECTIONSALTADDRESS, 0);
+
+            debugNTCC2 = false;
+        }
         break;
     }
 
@@ -852,18 +871,18 @@ void debugFlagSet(int flag)
     {
         flagStatus = EEPROM.read(DEBUG_LEDSADDRESS);
 
-        if (flagStatus == 1)
+        if (flagStatus == 0)
-        {
-            EEPROM.write(DEBUG_LEDSADDRESS, 0);
-
-            debugLEDs = false;
-        }
-        else
         {
             EEPROM.write(DEBUG_LEDSADDRESS, 1);
 
             debugLEDs = true;
         }
+        else
+        {
+            EEPROM.write(DEBUG_LEDSADDRESS, 0);
+
+            debugLEDs = false;
+        }
         break;
     }
 

JumperlessNano/src/JumperlessDefinesRP2040.h

@@ -15,6 +15,8 @@
 #define RAILBRIGHTNESSADDRESS 40
 #define SPECIALBRIGHTNESSADDRESS 41
 
+#define FIRSTSTARTUPADDRESS 42
+
 
 
 

JumperlessNano/src/MatrixStateRP2040.cpp

@@ -113,7 +113,7 @@ struct chipStatus ch[12] = {
   {11,'L',
   {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1}, // x status
   {-1,-1,-1,-1,-1,-1,-1,-1}, //y status
-  {CURRENT_SENSE_MINUS, CURRENT_SENSE_PLUS, ADC0_5V, ADC1_5V, ADC2_5V, ADC3_8V, DAC1_8V, DAC0_5V, t1, t30, b1, b30, NANO_A4, NANO_A5, SUPPLY_5V, RP_GPIO_0},
+  {CURRENT_SENSE_MINUS, CURRENT_SENSE_PLUS, ADC0_5V, ADC1_5V, ADC2_5V, ADC3_8V, DAC1_8V, DAC0_5V, t1, t30, b1, b30, RP_UART_RX, RP_UART_TX, SUPPLY_5V, RP_GPIO_0},
   {CHIP_A,CHIP_B,CHIP_C,CHIP_D,CHIP_E,CHIP_F,CHIP_G,CHIP_H}}
   };
 
@@ -132,7 +132,7 @@ struct nanoStatus nano = {  //there's only one of these so ill declare and inita
                            {  1     , 1      , 2      , 2      , 2      , 2      , 2      , 2      , 2      , 2      , 2       , 2       ,  2       , 1       , 1         , 1        , 2      , 2      , 2      , 2      , 2      , 2      , 1      , 1      },//Whether this pin has 1 or 2 connections to special function chips    (OR maybe have it be a map like i = 2  j = 3  k = 4  l = 5 if there's 2 it's the product of them ij = 6  ik = 8  il = 10 jk = 12 jl = 15 kl = 20 we're trading minuscule amounts of CPU for RAM)  
 //                         |        |        |        |        |        |        |        |        |        |        |         |         |          |         |           |          |        |        |        |        |        |        |        |        |    
                            { CHIP_J , CHIP_I , CHIP_J , CHIP_I , CHIP_J , CHIP_I , CHIP_J , CHIP_I , CHIP_J , CHIP_I , CHIP_J  , CHIP_I  ,  CHIP_J  , CHIP_I  , CHIP_I    ,  CHIP_J  , CHIP_I , CHIP_J , CHIP_I , CHIP_J , CHIP_I , CHIP_J , CHIP_I , CHIP_J },//Since there's no overlapping connections between Chip I and J, this holds which of those 2 chips has a connection at that index, if numConns is 1, you only need to check this one
-                           { -1     , -1     , CHIP_K , CHIP_K , CHIP_K , CHIP_K , CHIP_K , CHIP_K , CHIP_K , CHIP_K , CHIP_K  , CHIP_K  ,  CHIP_K  , -1      , -1        , -1       , CHIP_K , CHIP_K , CHIP_K , CHIP_K , CHIP_L , CHIP_L , -1     , -1     },//Since there's no overlapping connections between Chip K and L, this holds which of those 2 chips has a connection at that index, -1 for no connection
+                           { -1     , -1     , CHIP_K , CHIP_K , CHIP_K , CHIP_K , CHIP_K , CHIP_K , CHIP_K , CHIP_K , CHIP_K  , CHIP_K  ,  CHIP_K  , -1      , -1        , -1       , CHIP_K , CHIP_K , CHIP_K , CHIP_K , -1     , -1     , -1     , -1     },//Since there's no overlapping connections between Chip K and L, this holds which of those 2 chips has a connection at that index, -1 for no connection
 //                         |        |        |        |        |        |        |        |        |        |        |         |         |          |         |           |          |        |        |        |        |        |        |        |        |   
                            { -1     , 1      , -1     , 3      , -1     , 5      , -1     , 7      , -1     , 9      , -1      , 8       ,  -1      , 10      , 11        , -1       , 0      , -1     , 2      , -1     , 4      , -1     , 6      , -1     },//holds which X pin is connected to the index on Chip I, -1 for none
                            { -1     , 0      , -1     , 0      , -1     , 0      , -1     , 0      , -1     , 0      , -1      , 0       ,  -1      , 0       , 0         , -1       , 0      , -1     , 0      , -1     , 0      , -1     , 0      , -1     },//-1 for not connected to that chip, 0 for available, >0 means it's connected and the netNumber is stored here

JumperlessNano/src/NetsToChipConnections.cpp

@@ -473,7 +473,7 @@ void commitPaths(void)
 
             if (path[i].chip[0] != CHIP_L && path[i].chip[1] == CHIP_L) // if theyre both chip L we'll deal with it differently
             {
-                // Serial.print("\tBBtoCHIP L  ");
+                // Serial.print("\tBBtoCHIP L  \n\n\n\n");
                 int yMapBBc0 = 0; // y 0 is always connected to chip L
 
                 int xMapChipL = xMapForNode(path[i].node2, CHIP_L);
@@ -1151,6 +1151,7 @@ void resolveAltPaths(void)
 
                     if (foundPath == 1)
                     {
+                        
                         break;
                     }
                     int giveUpOnL = 0;
@@ -2487,7 +2488,7 @@ void assignPathType(int pathIndex)
     if ((path[pathIndex].node1 == 1 || path[pathIndex].node1 == 30 || path[pathIndex].node1 == 31 || path[pathIndex].node1 == 60) || path[pathIndex].chip[0] == CHIP_L)
     {
         // Serial.print("\n\n\rthis should be a bb to sf connection\n\n\n\r ");
-        path[pathIndex].altPathNeeded = true;
+        //path[pathIndex].altPathNeeded = true;
         swapNodes(pathIndex);
         path[pathIndex].Lchip = true;
 
@@ -2510,7 +2511,7 @@ void assignPathType(int pathIndex)
     if ((path[pathIndex].node2 == 1 || path[pathIndex].node2 == 30 || path[pathIndex].node2 == 31 || path[pathIndex].node2 == 60) || path[pathIndex].chip[1] == CHIP_L)
     {
         // Serial.print("\n\n\rthis should be a bb to sf connection 2\n\n\n\r ");
-        path[pathIndex].altPathNeeded = true;
+        //path[pathIndex].altPathNeeded = true;
         path[pathIndex].Lchip = true;
         path[pathIndex].nodeType[1] = SF;
     }

JumperlessNano/src/Peripherals.cpp

@@ -5,7 +5,7 @@
 #include "Adafruit_INA219.h"
 
 #include "NetManager.h"
-
+#include "MatrixStateRP2040.h"
 #include "LEDs.h"
 
 #include <Arduino.h>
@@ -21,10 +21,24 @@
 
 #include <SPI.h>
 
+#define CSI Serial.write("\x1B\x5B");
+
 #define DAC_RESOLUTION 9
 
 int revisionNumber = 0;
 
+int showReadings = 0;
+
+int showADCreadings[4] = {1,1,1,1};
+
+int showINA0[3] = {1,1,1}; //0 = current, 1 = voltage, 2 = power
+int showINA1[3] = {0, 0, 0}; //0 = current, 1 = voltage, 2 = power
+
+
+int showDAC0 = 0;
+int showDAC1 = 0;
+
+
 float freq[3] = {1, 1, 0};
 uint32_t period[3] = {0, 0, 0};
 uint32_t halvePeriod[3] = {0, 0, 0};
@@ -147,8 +161,8 @@ void initINA219(void)
     Serial.println("Failed to find INA219 chip");
   }
 
-  INA0.setMaxCurrentShunt(1, 2);
+  INA0.setMaxCurrentShunt(1, 2.0);
-  INA1.setMaxCurrentShunt(1, 2);
+  INA1.setMaxCurrentShunt(1, 2.0);
 
   Serial.println(INA0.setBusVoltageRange(16));
   Serial.println(INA1.setBusVoltageRange(16));
@@ -266,20 +280,208 @@ void setDac1_8VinputCode(uint16_t inputCode)
   }
 }
 
+void chooseShownReadings(void)
+{
+  showADCreadings[0] = 0;
+  showADCreadings[1] = 0;
+  showADCreadings[2] = 0;
+  showADCreadings[3] = 0;
+
+
+
+
+  for (int i = 0; i <= newBridgeIndex; i++)
+  {
+
+    if (path[i].node1 == ADC0_5V || path[i].node2 == ADC0_5V)
+    {
+      showADCreadings[0] = 1;
+    }
+
+   if (path[i].node1 == ADC1_5V || path[i].node2 == ADC1_5V)
+    {
+      showADCreadings[1] = 1;
+    }
+
+    if (path[i].node1 == ADC2_5V || path[i].node2 == ADC2_5V)
+    {
+      showADCreadings[2] = 1;
+    }
+
+    if (path[i].node1 == ADC3_8V || path[i].node2 == ADC3_8V)
+    {
+      showADCreadings[3] = 1;
+    }
+
+    if (path[i].node1 == CURRENT_SENSE_PLUS || path[i].node1 == CURRENT_SENSE_PLUS || path[i].node2 == CURRENT_SENSE_MINUS || path[i].node2 == CURRENT_SENSE_MINUS)
+    {
+
+      switch (showReadings)
+      {
+      case 0:
+
+      case 1:
+        showINA0[0] = 1;
+        showINA0[1] = 0;
+        showINA0[2] = 0;
+        break;
+      case 2:
+        showINA0[0] = 1;
+        showINA0[1] = 1;
+        showINA0[2] = 0;
+        break;
+      case 3:
+
+        showINA0[0] = 1;
+        showINA0[1] = 1;
+        showINA0[2] = 1;
+        break;
+      }
+    }
+
+  }
+}
+
+
+void showMeasurements(int samples)
+{
+
+
+while (Serial.available() == 0)
+{
+  CSI
+Serial.write("2K");
+  int adc0ReadingUnscaled;
+  float adc0Reading;
+
+  int adc1ReadingUnscaled;
+  float adc1Reading;
+
+  int adc2ReadingUnscaled;
+  float adc2Reading;
+
+  int adc3ReadingUnscaled;
+  float adc3Reading;
+int bs = 0;
+
+
+  if (showADCreadings[0] == 1)
+  {
+
+  adc0ReadingUnscaled = readAdc(0, samples);
+  adc0Reading = (adc0ReadingUnscaled) * (5.0 / 4095);
+  //adc0Reading -= 0.1; // offset
+bs+= Serial.print("D0: ");
+bs+=Serial.print(adc0Reading);
+bs+=Serial.print("V\t");
+  }
+
+  if (showADCreadings[1] == 1)
+  {
+
+  adc1ReadingUnscaled = readAdc(1, samples);
+  adc1Reading = (adc1ReadingUnscaled) * (5.0 / 4095);
+  //adc1Reading -= 0.1; // offset
+bs+=Serial.print("D1: ");
+bs+=Serial.print(adc1Reading);
+bs+=Serial.print("V\t");
+  }
+
+  if (showADCreadings[2] == 1)
+  {
+
+  adc2ReadingUnscaled = readAdc(2, samples);
+  adc2Reading = (adc2ReadingUnscaled) * (5.0 / 4095);
+  //adc2Reading -= 0.1; // offset
+
+bs+=Serial.print("D2: ");
+bs+=Serial.print(adc2Reading);
+bs+=Serial.print("V\t");
+  }
+
+  if (showADCreadings[3] == 1)
+  {
+
+  adc3ReadingUnscaled = readAdc(3, samples);
+  adc3Reading = (adc3ReadingUnscaled) * (16.0 / 4010);
+  adc3Reading -= 8.7; // offset
+bs+=Serial.print("D3: ");
+bs+=Serial.print(adc3Reading);
+bs+=Serial.print("V\t");
+  }
+
+if (showINA0[0] == 1 || showINA0[1] == 1 || showINA0[2] == 1)
+{
+  bs+=Serial.print("   INA219: ");
+}
+
+if (showINA0[0] == 1)
+{
+bs+=Serial.print("I: ");
+bs+=Serial.print(INA0.getCurrent_mA());
+bs+=Serial.print("mA\t");
+}
+if (showINA0[1] == 1)
+{
+bs+=Serial.print(" V: ");
+bs+=Serial.print(INA0.getBusVoltage());
+bs+=Serial.print("V\t");
+}
+if (showINA0[2] == 1)
+{
+bs+=Serial.print("P: ");
+bs+=Serial.print(INA0.getPower_mW());
+bs+=Serial.print("mW\t");
+}
+
+ bs+=Serial.print("                     \r");
+
+
+
+
+
+// for (int i = 0; i < bs; i++)
+// {
+//   Serial.print("\b");
+// }
+
+// Serial.print("ADC1: ");
+// Serial.print(adc1ReadingUnscaled);
+// Serial.print("V\n\r");
+// Serial.print("ADC2: ");
+// Serial.print(adc2ReadingUnscaled);
+// Serial.print("V\n\r");
+// Serial.print("ADC3: ");
+// Serial.print(adc3ReadingUnscaled);
+// Serial.print("V\n\n\r");
+delay(250);
+
+}
+
+}
+
+
+
+
+
+
 int readAdc(int channel, int samples)
 {
   int adcReadingAverage = 0;
+
+  uint8_t adcChannel = channel+ ADC0_PIN;
+
   for (int i = 0; i < samples; i++)
   {
-    adcReadingAverage += analogRead(channel);
+    adcReadingAverage += analogRead(adcChannel);
     delay(1);
   }
 
-  int adc3Reading = adcReadingAverage / samples;
+  int adcReading = adcReadingAverage / samples;
   // Serial.print(adc3Reading);
 
   // float adc3Voltage = (adc3Reading - 2528) / 220.0; // painstakingly measured
-  return adc3Reading;
+  return adcReading;
 }
 
 int waveGen(void)

JumperlessNano/src/Peripherals.h

@@ -6,6 +6,17 @@
   #include "INA219.h"
 #include <Wire.h>
 
+extern int showReadings;
+
+extern int showINA0[3]; //0 = current, 1 = voltage, 2 = power
+extern int showINA1[3]; //0 = current, 1 = voltage, 2 = power
+
+extern int showDAC0;
+extern int showDAC1;
+
+extern int showADCreadings[4];
+
+
 extern int revisionNumber;
 
 void initINA219(void);
@@ -26,7 +37,8 @@ int waveGen(void);
 void GetAdc29Status(int i);
 int readAdc(int channel, int samples = 10);
 
-
+void chooseShownReadings(void);
+void showMeasurements(int samples = 50);
 
 
 const uint16_t DACLookup_FullSine_9Bit[512] =

JumperlessNano/src/main.cpp

@@ -49,7 +49,7 @@ void setup()
 
   initADC();
   delay(1);
-  initDAC();
+  initDAC(); // also sets revisionNumber
   delay(1);
   initINA219();
   delay(1);
@@ -87,25 +87,29 @@ void loop()
   char input;
   unsigned long timer = 0;
 
-  // while (1) rainbowBounce(80); //I uncomment this to test the LEDs on a fresh board
-// while (1) randomColors(0,90);
 menu:
+  // showMeasurements();
 
-  // showLEDsCore2 = 1;
   Serial.print("\n\n\r\t\t\tMenu\n\n\r");
   Serial.print("\tn = show netlist\n\r");
   Serial.print("\tb = show bridge array\n\r");
   Serial.print("\tw = waveGen\n\r");
-  // Serial.print("\tm = measure current/voltage\n\r");
+  Serial.print("\tv = toggle show current/voltage\n\r");
   Serial.print("\tf = load formatted nodeFile\n\r");
   Serial.print("\tp = paste new Wokwi diagram\n\r");
   Serial.print("\tl = LED brightness / test\n\r");
   Serial.print("\td = toggle debug flags\n\r");
   Serial.print("\tr = reset Arduino\n\r");
-  Serial.print("\n\r");
+  Serial.print("\n\n\r");
 
+dontshowmenu:
   while (Serial.available() == 0)
-    ;
+  {
+    if (showReadings >= 1)
+    {
+      showMeasurements();
+    }
+  }
 
   input = Serial.read();
 
@@ -114,6 +118,31 @@ menu:
 
   switch (input)
   {
+  case 'v':
+
+    if (showReadings >= 3)
+    {
+      showReadings = 0;
+      // goto dontshowmenu;
+      break;
+    }
+    else
+    {
+            showReadings++;
+      chooseShownReadings();
+
+      Serial.write("\x1B\x5B");
+      Serial.write("1F");//scroll up one line
+      Serial.write("\x1B\x5B");
+      Serial.write("2K");//clear line
+      Serial.write("\x1B\x5B");
+      Serial.write("1F");//scroll up one line
+      Serial.write("\x1B\x5B");
+      Serial.write("2K");//clear line
+
+      goto dontshowmenu;
+      //break;
+    }
 
   case 'n':
 
@@ -129,6 +158,9 @@ menu:
     Serial.print("\n\n\rChip Status\n\r");
     printChipStatus();
     Serial.print("\n\n\r");
+    Serial.print("Revision ");
+    Serial.print(revisionNumber);
+    Serial.print("\n\n\r");
     break;
 
   case 'm':
@@ -142,11 +174,11 @@ menu:
       break;
     }
 
-  // case 'a':
+    // case 'a':
-  // {
+    // {
-  //   resetArduino(); // reset works
+    //   resetArduino(); // reset works
-  //   // uploadArduino(); //this is unwritten
+    //   // uploadArduino(); //this is unwritten
-  // }
+    // }
 
   case 'f':
     digitalWrite(RESETPIN, HIGH);