From: Keith Packard <keithp@keithp.com>
Date: Tue, 6 Jan 2009 05:45:21 +0000 (-0800)
Subject: Expose ccdbg_set_clock API
X-Git-Tag: 0.5~58^2~70
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=60940b4be23962db79b8e914ec943d0636dd68ad

Expose ccdbg_set_clock API

This allows applications to change the debug port clock
rate on the fly.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/lib/ccdbg-io.c b/lib/ccdbg-io.c
index 53ea7583..e5e85e43 100644
--- a/lib/ccdbg-io.c
+++ b/lib/ccdbg-io.c
@@ -24,12 +24,20 @@
 #include "cp-usb.h"
 #endif
 
+static uint32_t	cc_clock_us = CC_CLOCK_US;
+
+void
+ccdbg_set_clock(uint32_t us)
+{
+	cc_clock_us = us;
+}
+
 void
 ccdbg_half_clock(struct ccdbg *dbg)
 {
 	struct timespec	req, rem;
-	req.tv_sec = (CC_CLOCK_US / 2) / 1000000;
-	req.tv_nsec = ((CC_CLOCK_US / 2) % 1000000) * 1000;
+	req.tv_sec = (cc_clock_us / 2) / 1000000;
+	req.tv_nsec = ((cc_clock_us / 2) % 1000000) * 1000;
 	nanosleep(&req, &rem);
 }
 
diff --git a/lib/ccdbg.h b/lib/ccdbg.h
index 241c4eec..037d8ff5 100644
--- a/lib/ccdbg.h
+++ b/lib/ccdbg.h
@@ -258,6 +258,9 @@ int
 ccdbg_hex_image_equal(struct hex_image *a, struct hex_image *b);
 
 /* ccdbg-io.c */
+void
+ccdbg_set_clock(uint32_t us);
+
 void
 ccdbg_half_clock(struct ccdbg *dbg);