Samples: Add fxload sample for Cypress EZ-USB chips
* This program was modified from the original fxload at:
http://linux-hotplug.sourceforge.net to add libusbx
as well as non HEX images support.
* Only supports RAM upload for now, with EEPROM and FX3
support to be added at a later stage.
diff --git a/examples/ezusb.h b/examples/ezusb.h
new file mode 100644
index 0000000..5ea4237
--- /dev/null
+++ b/examples/ezusb.h
@@ -0,0 +1,107 @@
+#ifndef __ezusb_H
+#define __ezusb_H
+/*
+ * Copyright © 2001 Stephen Williams (steve@icarus.com)
+ * Copyright © 2002 David Brownell (dbrownell@users.sourceforge.net)
+ *
+ * This source code is free software; you can redistribute it
+ * and/or modify it in source code form under the terms of the GNU
+ * General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+#if !defined(_MSC_VER)
+#include <stdbool.h>
+#else
+#define __attribute__(x)
+#if !defined(bool)
+#define bool int
+#endif
+#if !defined(true)
+#define true (1 == 1)
+#endif
+#if !defined(false)
+#define false (!true)
+#endif
+#if defined(_PREFAST_)
+#pragma warning(disable:28193)
+#endif
+#endif
+
+#define FX_TYPE_UNDEFINED -1
+#define FX_TYPE_AN21 0 /* Original AnchorChips parts */
+#define FX_TYPE_FX1 1 /* Updated Cypress versions */
+#define FX_TYPE_FX2 2 /* USB 2.0 versions */
+#define FX_TYPE_FX2LP 3 /* Updated FX2 */
+#define FX_TYPE_MAX 4
+#define FX_TYPE_NAMES { "an21", "fx", "fx2", "fx2lp" }
+
+#define IMG_TYPE_UNDEFINED -1
+#define IMG_TYPE_HEX 0 /* Intel HEX */
+#define IMG_TYPE_IIC 1 /* Cypress 8051 IIC */
+#define IMG_TYPE_BIX 2 /* Cypress 8051 BIX */
+#define IMG_TYPE_MAX 3
+#define IMG_TYPE_NAMES { "Intel HEX", "Cypress 8051 IIC", "Cypress 8051 BIX" }
+
+/*
+ * Automatically identified devices (VID, PID, type, designation).
+ * TODO: Could use some validation. Also where's the FX2?
+ */
+typedef struct {
+ uint16_t vid;
+ uint16_t pid;
+ int type;
+ const char* designation;
+} fx_known_device;
+
+#define FX_KNOWN_DEVICES { \
+ { 0x0547, 0x2122, FX_TYPE_AN21, "Cypress EZ-USB (2122S)" },\
+ { 0x0547, 0x2125, FX_TYPE_AN21, "Cypress EZ-USB (2121S/2125S)" },\
+ { 0x0547, 0x2126, FX_TYPE_AN21, "Cypress EZ-USB (2126S)" },\
+ { 0x0547, 0x2131, FX_TYPE_AN21, "Cypress EZ-USB (2131Q/2131S/2135S)" },\
+ { 0x0547, 0x2136, FX_TYPE_AN21, "Cypress EZ-USB (2136S)" },\
+ { 0x0547, 0x2225, FX_TYPE_AN21, "Cypress EZ-USB (2225)" },\
+ { 0x0547, 0x2226, FX_TYPE_AN21, "Cypress EZ-USB (2226)" },\
+ { 0x0547, 0x2235, FX_TYPE_AN21, "Cypress EZ-USB (2235)" },\
+ { 0x0547, 0x2236, FX_TYPE_AN21, "Cypress EZ-USB (2236)" },\
+ { 0x04b4, 0x6473, FX_TYPE_FX1, "Cypress EZ-USB FX1" },\
+ { 0x04b4, 0x8613, FX_TYPE_FX2LP, "Cypress EZ-USB FX2LP (68013A/68014A/68015A/68016A)" }, \
+}
+
+/*
+ * This function uploads the firmware from the given file into RAM.
+ * Stage == 0 means this is a single stage load (or the first of
+ * two stages). Otherwise it's the second of two stages; the
+ * caller having preloaded the second stage loader.
+ *
+ * The target processor is reset at the end of this upload.
+ */
+extern int ezusb_load_ram(libusb_device_handle *device,
+ const char *path, int fx_type, int img_type, int stage);
+
+/*
+ * This function uploads the firmware from the given file into EEPROM.
+ * This uses the right CPUCS address to terminate the EEPROM load with
+ * a reset command where FX parts behave differently than FX2 ones.
+ * The configuration byte is as provided here (zero for an21xx parts)
+ * and the EEPROM type is set so that the microcontroller will boot
+ * from it.
+ *
+ * The caller must have preloaded a second stage loader that knows
+ * how to respond to the EEPROM write request.
+ */
+extern int ezusb_load_eeprom(libusb_device_handle *device,
+ const char *path, int fx_type, int img_type, int config);
+
+/* boolean flag, says whether to write extra messages to stderr */
+extern int verbose;
+#endif
