Paul Paterson / CANnucleo

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Dependents:   ppCANOpen_Example

Fork of CANnucleo by Zoltan Hudak

Diff: can_api.c

Revision:
17:1fd35431ee8e
Parent:
16:f4c8f45bded9
--- a/can_api.c	Wed Dec 30 08:23:30 2015 +0000
+++ b/can_api.c	Wed Dec 30 08:39:54 2015 +0000
@@ -155,9 +155,9 @@
         printf("Unknown frequency specified!\r\n");
         printf("Using default 125kbps\r\n");
 #endif
-        _canHandle.Init.Prescaler = 30;     // number of time quanta = 45000000/30/125000 = 12
+        _canHandle.Init.Prescaler = 18;     // number of time quanta = 36000000/18/125000 = 16
         _canHandle.Init.SJW = CAN_SJW_1TQ;
-        _canHandle.Init.BS1 = CAN_BS1_8TQ; // sample point at: (1 + 8) / 12 * 100 = 75%
+        _canHandle.Init.BS1 = CAN_BS1_11TQ; // sample point at: (1 + 11) / 16 * 100 = 75%
         _canHandle.Init.BS2 = CAN_BS2_4TQ;
     }
     
@@ -204,10 +204,10 @@
         printf("Unknown frequency specified!\r\n");
         printf("Using default 125kbps\r\n");
 #endif
-        _canHandle.Init.Prescaler = 18;     // number of time quanta = 36000000/18/125000 = 16
+        _canHandle.Init.Prescaler = 30;     // number of time quanta = 45000000/30/125000 = 12
         _canHandle.Init.SJW = CAN_SJW_1TQ;
-        _canHandle.Init.BS1 = CAN_BS1_11TQ; // sample point at: (1 + 11) / 16 * 100 = 75%
-        _canHandle.Init.BS2 = CAN_BS2_4TQ;
+        _canHandle.Init.BS1 = CAN_BS1_8TQ; // sample point at: (1 + 8) / 12 * 100 = 75%
+        _canHandle.Init.BS2 = CAN_BS2_3TQ;
     }
     
 #endif