From 3221ecd80929d9f29ada6633c64c58e84c97d0fd Mon Sep 17 00:00:00 2001
From: "(no author)" <(no author)@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>
Date: Sun, 30 Jul 2006 12:47:38 +0000
Subject: skip FIFO DATA register to prevent altering fifo state while dumping

git-svn-id: https://svn.openpcd.org:2342/trunk@68 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
---
 openpcd/firmware/src/rc632.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

(limited to 'openpcd')

diff --git a/openpcd/firmware/src/rc632.c b/openpcd/firmware/src/rc632.c
index 54d06cd..8982395 100644
--- a/openpcd/firmware/src/rc632.c
+++ b/openpcd/firmware/src/rc632.c
@@ -472,7 +472,11 @@ int rc632_dump(void)
 	u_int16_t rx_len = sizeof(spi_inbuf);
 
 	for (i = 0; i <= 0x3f; i++) {
-		spi_outbuf[i] = i << 1;
+		u_int8_t reg = i;
+		if (reg == RC632_REG_FIFO_DATA)
+			reg = 0x3e;
+			
+		spi_outbuf[i] = reg << 1;
 		spi_inbuf[i] = 0x00;
 	}
 
@@ -485,8 +489,12 @@ int rc632_dump(void)
 
 	spi_transceive(spi_outbuf, 0x41, spi_inbuf, &rx_len);
 
-	for (i = 0; i < 0x3f; i++)
-		DEBUGPCR("REG 0x%02x = 0x%02x", i, spi_inbuf[i+1]);
+	for (i = 0; i < 0x3f; i++) {
+		if (i == RC632_REG_FIFO_DATA)
+			DEBUGPCR("REG 0x02 = NOT READ");
+		else
+			DEBUGPCR("REG 0x%02x = 0x%02x", i, spi_inbuf[i+1]);
+	}
 	
 	return 0;
 }
-- 
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