[ECOS] Fwd: Question to 16x5x driver users

Alexander Aganichev aaganichev@gmail.com
Tue Jun 19 12:14:00 GMT 2007


Sorry, posted to the wrong list initially.

---------- Forwarded message ----------
From: Alexander Aganichev <aaganichev@gmail.com>
To: ecos-devel@ecos.sourceware.org


I found that driver not transmit anything in interrupt driving mode
unless I made the following patch:

Index: packages/devs/serial/generic/16x5x/current/src/ser_16x5x.c
===================================================================
RCS file: /cvs/ecos/ecos/packages/devs/serial/generic/16x5x/current/src/ser_16x5x.c,v
retrieving revision 1.14
diff -u -r1.14 ser_16x5x.c
--- packages/devs/serial/generic/16x5x/current/src/ser_16x5x.c  27 Nov
2006 13:59:50 -0000     1.14
+++ packages/devs/serial/generic/16x5x/current/src/ser_16x5x.c  18 Jun
2007 12:21:30 -0000
@@ -516,6 +516,7 @@
     HAL_READ_UINT8(base+REG_ier, _ier);
     _ier |= IER_XMT;                    // Enable xmit interrupt
     HAL_WRITE_UINT8(base+REG_ier, _ier);
+    (chan->callbacks->xmt_char)(chan); // <<<<<<
 }

 // Disable the transmitter on the device

Am I right to make this change or I just missed another process that
should call xmt_char? I'm using LPC2294 based board and use this
driver for the UART1.

-- 
WBR, Alexander

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