diff --git a/eXoCAN.cpp b/eXoCAN.cpp
index 8aecc8e..2664880 100644
--- a/eXoCAN.cpp
+++ b/eXoCAN.cpp
@@ -1,6 +1,7 @@
 #include "eXoCAN.h"
 
 // vers 1.0.1  02/06/2021
+// vers 1.0.2  04/15/2021
 
 void eXoCAN::begin(idtype addrType, int brp, BusType hw)
 {
@@ -125,26 +126,27 @@ void eXoCAN::filter16Init(int bank, int mode, int a, int b, int c, int d) // 16b
     periphBit(FINIT) = 0;                            // ~FINIT  'active' filter mode ]
 }
 
-void eXoCAN::filterList32Init(int bank, int idA, int idB) //32b filters
+void eXoCAN::filterList32Init(int bank, u_int32_t idA, u_int32_t idB) //32b filters
 {
-    filter32Init(bank, 1, idA, idB);
+     filter32Init(bank, 1, idA, idB);
+   // filter32Init(0, 1, 0x00232461, 0x00232461);
 }
 
-void eXoCAN::filterMask32Init(int bank, int id, int mask) //32b filters
+void eXoCAN::filterMask32Init(int bank, u_int32_t id, u_int32_t mask) //32b filters
 {
     filter32Init(bank, 0, id, mask);
 }
 
-void eXoCAN::filter32Init(int bank, int mode, int a, int b) //32b filters
+void eXoCAN::filter32Init(int bank, int mode, u_int32_t a, u_int32_t b) //32b filters
 {
-    periphBit(FINIT) = 1;               // FINIT  'init' filter mode ]
-    periphBit(fa1r, bank) = 0;          // de-activate filter 'bank'
-    periphBit(fs1r, bank) = 1;          // fsc filter scale reg,  0 => 2ea. 16b,  1=>32b
-    periphBit(fm1r, bank) = mode;       // fbm list mode = 1, 0 = mask
-    MMIO32(fr1 + (8 * bank)) = a << 21; // the RXID/MASK to match ]
-    MMIO32(fr2 + (8 * bank)) = b << 21; // must replace a mask of zeros so that everything isn't passed
-    periphBit(fa1r, bank) = 1;          // activate this filter ]
-    periphBit(FINIT) = 0;               // ~FINIT  'active' filter mode ]
+    periphBit(FINIT) = 1;                   // FINIT  'init' filter mode 
+    periphBit(fa1r, bank) = 0;              // de-activate filter 'bank'
+    periphBit(fs1r, bank) = 1;              // fsc filter scale reg,  0 => 2ea. 16b,  1=>32b
+    periphBit(fm1r, bank) = mode;           // fbm list mode = 1, 0 = mask
+    MMIO32(fr1 + (8 * bank)) = (a << 3) | 4; // the RXID/MASK to match 
+    MMIO32(fr2 + (8 * bank)) = (b << 3) | 4; // must replace a mask of zeros so that everything isn't passed
+    periphBit(fa1r, bank) = 1;              // activate this filter 
+    periphBit(FINIT) = 0;                   // ~FINIT  'active' filter mode 
 }
 
 //bool eXoCAN::transmit(int txId, const void *ptr, unsigned int len)
diff --git a/eXoCAN.h b/eXoCAN.h
index da33bcc..dc2c61f 100644
--- a/eXoCAN.h
+++ b/eXoCAN.h
@@ -16,9 +16,10 @@ C:\Users\jhe\Documents\PlatformIO\Projects\eXoCanInt\lib\eXoCAN
   // 'list' filters get seached first even when the index is higher that a mask filter
 
 
-extended IDs are working                                                                  4/19
+extended IDs are working                                                                   4/19
 
-constructor now does all the setup                                                        4/27
+constructor now does all the setup                                                         4/27
+       bug fix: extended ID filtering wasn't working. Wrong shift + set IDE bit            4/15/21
 */
 #include <arduino.h>
 
@@ -130,8 +131,9 @@ struct msgFrm
   idtype idLen = STD_ID_LEN;
   uint8_t txMsgLen = 0x08;
   MSG txMsg;
+  //uint8_t txMsg[8];
   BusType busConfig = PORTA_11_12_XCVR;
-  int txDly = 5000;
+  uint32_t txDly = 5000;
 };
 
 class eXoCAN
@@ -140,7 +142,7 @@ class eXoCAN
   idtype _extIDs = STD_ID_LEN;
   idtype _rxExtended;
   void filter16Init(int bank, int mode, int a = 0, int b = 0, int c = 0, int d = 0); // 16b filters
-  void filter32Init(int bank, int mode, int a, int b);                               //32b filters
+  void filter32Init(int bank, int mode, u_int32_t a, u_int32_t b);                   //32b filters
 
 protected:
 public:
@@ -152,8 +154,8 @@ class eXoCAN
   void disableInterrupt();
   void filterMask16Init(int bank, int idA = 0, int maskA = 0, int idB = 0, int maskB = 0x7ff); // 16b mask filters
   void filterList16Init(int bank, int idA = 0, int idB = 0, int idC = 0, int idD = 0);         // 16b list filters
-  void filterMask32Init(int bank, int id = 0, int mask = 0);
-  void filterList32Init(int bank, int idA = 0, int idB = 0); // 32b filters
+  void filterMask32Init(int bank, u_int32_t id = 0, u_int32_t mask = 0);
+  void filterList32Init(int bank, u_int32_t idA = 0, u_int32_t idB = 0); // 32b filters
   bool transmit(int txId, const void *ptr, unsigned int len);
   //int receive(volatile int *id, volatile int *fltrIdx, volatile void *pData);
   int receive(volatile int &id, volatile int &fltrIdx, volatile uint8_t pData[]);
diff --git a/library.json b/library.json
index 397a113..a8e993e 100644
--- a/library.json
+++ b/library.json
@@ -7,7 +7,7 @@
         "type":"git",
         "url":"https://github.com/exothink/eXoCAN.git"
     },
-    "version":"1.0.1",
+    "version":"1.0.2",
     "authors":
     {
         "name": "John Eckert",
diff --git a/library.properties b/library.properties
index a65f1d7..7d0711a 100644
--- a/library.properties
+++ b/library.properties
@@ -1,7 +1,7 @@
 name=eXoThink STM32F103 CAN Bus Library
 keywords=CAN Bus, STM32DUINO, automobile, Blue Pill
 description=Easy to use eXoCAN supports polling/interrupts, single wire and CAN bus xcvrs, 16/32b filters, STD/Extended IDs, listen only,...
-version=1.0.1
+version=1.0.2
 author=John Eckert
 maintainer=https://github.com/exothink
 sentence=STM32duino CAN library for STM32F103.