Amanda Travieso / MODSERIAL1

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Fork of MODSERIAL by Andy K

Diff: ChangeLog.c

Revision:
6:c8f77fe1cc10
Parent:
5:8365c4cf8f33
Child:
7:ffa4a7cb7f8d
--- a/ChangeLog.c	Sun Nov 21 16:08:36 2010 +0000
+++ b/ChangeLog.c	Sun Nov 21 16:25:44 2010 +0000
@@ -1,5 +1,16 @@
 /* $Id:$
 
+1.6 - 21/11/2010
+
+   * Version 1.5 solved a blocking problem on putc() when called 
+     from another ISR. However, isr_tx() invokes a callback of it's
+     own when a byte is tranferred from TX buffer to TX FIFO. User
+     programs may interpret that as an IRQ callback. That's an ISR
+     call from within an existing ISR which is not good. So the 
+     TxIrq callback from isr_tx is now conditional. It will only
+     be called when isr_tx() is actually within it's own ISR and
+     not when called from alternate ISR handlers.
+     
 1.5 - 21/11/2010
 
     * Calling putc() (or any derived function that uses it like