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"Matthias Jentsch <i...@easydevkits.com>" just uploaded a new patch set to
Gerrit, which you can find at https://review.openocd.org/c/openocd/+/9015
-- gerrit
commit 2c3f6093f8447b414b6c8ab232a143485cd4f982
Author: EasyDevKits <i...@easydevkits.com>
Date: Wed Sep 3 22:21:21 2025 +0200
configs: Add OpenOCD config for EasyDevKits CH347 JTAG adapter
This adds a configuration file for the EasyDevKits JTAG adapter based on
the WCH CH347 chip. The file sets up the driver, USB identifiers,
activity LED, and a default JTAG speed of 15 MHz, which has proven to be
reliable on this hardware.
The configuration provides an easy way to use the adapter with OpenOCD
without requiring manual setup.
Change-Id: I5524290297adcc004e00af919181868d2b6303af
Signed-off-by: EasyDevKits <i...@easydevkits.com>
diff --git a/tcl/interface/easydevkits-ch347.cfg
b/tcl/interface/easydevkits-ch347.cfg
new file mode 100644
index 0000000000..168d97d11e
--- /dev/null
+++ b/tcl/interface/easydevkits-ch347.cfg
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# OpenOCD configuration for the CH347 JTAG interface
+# used on the EasyDevKits JTAG Adapter.
+#
+
+# Select the CH347 JTAG driver
+adapter driver ch347
+
+# Identify the device
+ch347 device_desc "EasyDevKit"
+ch347 vid_pid 0x1a86 0x55dd
+
+# Configure activity LED
+# Note: The LED is active-low on GPIO4 (n4).
+ch347 activity_led n4
+
+# ---------------------------------------------------------------------------
+# JTAG speed (in kHz)
+#
+# If you encounter DSR/DIR errors that are not caused by OpenOCD
+# attempting to read unmapped memory regions, try lowering this value.
+#
+# Recommended settings for EasyDevKits:
+# - Do not exceed 30 MHz.
+# - Best results are typically achieved at 15 MHz.
+#
+# Supported frequencies (kHz):
+# 469, 938, 1875, 3750, 7500, 15000, 30000, 60000
+# ---------------------------------------------------------------------------
+adapter speed 15000
--
