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Fwd: Question to 16x5x driver users
- From: "Alexander Aganichev" <aaganichev at gmail dot com>
- To: ecos-discuss at ecos dot sourceware dot org
- Date: Tue, 19 Jun 2007 09:46:31 +0400
- Subject: [ECOS] Fwd: Question to 16x5x driver users
- References: <c25335bc0706180611l36818bfbn77e052427f313a92@mail.gmail.com>
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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