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-rw-r--r--openpcd/opcd_test/Makefile15
-rw-r--r--openpcd/opcd_test/opcd_test.c251
-rw-r--r--openpcd/opcd_test/openpcd.h24
3 files changed, 290 insertions, 0 deletions
diff --git a/openpcd/opcd_test/Makefile b/openpcd/opcd_test/Makefile
new file mode 100644
index 0000000..580e3a9
--- /dev/null
+++ b/openpcd/opcd_test/Makefile
@@ -0,0 +1,15 @@
+#!/usr/bin/make
+LDFLAGS=-lusb
+
+all: opcd_test
+
+clean:
+ -rm -f *.o opcd_test
+
+opcd_test: opcd_test.o
+ $(CC) $(LDFLAGS) -o $@ $<
+
+opcd_test.o: opcd_test.c
+ $(CC) $(CFLAGS) -o $@ -c $<
+
+.PHONEY: all clean
diff --git a/openpcd/opcd_test/opcd_test.c b/openpcd/opcd_test/opcd_test.c
new file mode 100644
index 0000000..1c2e909
--- /dev/null
+++ b/openpcd/opcd_test/opcd_test.c
@@ -0,0 +1,251 @@
+/* opcd_test - Low-Level test program for OpenPCD
+ * (C) 2006 by Harald Welte <laforge@gnumonks.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * 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
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#define _GNU_SOURCE
+#include <getopt.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+
+#include <usb.h>
+
+#include "openpcd.h"
+
+const char *
+hexdump(const void *data, unsigned int len)
+{
+ static char string[65535];
+ unsigned char *d = (unsigned char *) data;
+ unsigned int i, left;
+
+ string[0] = '\0';
+ left = sizeof(string);
+ for (i = 0; len--; i += 3) {
+ if (i >= sizeof(string) -4)
+ break;
+ snprintf(string+i, 4, " %02x", *d++);
+ }
+ return string;
+}
+
+#define OPCD_VENDOR_ID 0x2342
+#define OPCD_PRODUCT_ID 0x0001
+#define OPCD_OUT_EP 0x01
+#define OPCD_IN_EP 0x81
+
+static struct usb_dev_handle *hdl;
+static struct usb_device *find_opcd_device(void)
+{
+ struct usb_bus *bus;
+
+ for (bus = usb_busses; bus; bus = bus->next) {
+ struct usb_device *dev;
+ for (dev = bus->devices; dev; dev = dev->next) {
+ if (dev->descriptor.idVendor == OPCD_VENDOR_ID
+ && dev->descriptor.idProduct == OPCD_PRODUCT_ID
+ && dev->descriptor.iManufacturer == 0
+ && dev->descriptor.iProduct == 0
+ && dev->descriptor.bNumConfigurations == 1
+ && dev->config->bNumInterfaces == 1
+ && dev->config->iConfiguration == 0)
+ return dev;
+ }
+ }
+ return NULL;
+}
+
+static int opcd_recv_reply(void)
+{
+ char buf[8192];
+ int ret, i;
+
+ memset(buf, 0, sizeof(buf));
+
+ ret = usb_bulk_read(hdl, OPCD_IN_EP, buf, sizeof(buf), 0);
+
+ for (i = 0; i < ret; i ++)
+ if (buf[i] == 0x03)
+ buf[i] = 0x00;
+
+ printf("RX: %s\n", buf, hexdump(buf, ret));
+
+ return ret;
+}
+
+
+static int opcd_send_command(u_int8_t cmd, u_int8_t reg, u_int8_t val, u_int16_t len,
+ const unsigned char *data)
+{
+ unsigned char buf[8192];
+ struct openpcd_hdr *ohdr = (struct openpcd_hdr *)buf;
+ int cur = 0;
+ int ret;
+
+ memset(buf, 0, sizeof(buf));
+
+ ohdr->cmd = cmd;
+ ohdr->reg = reg;
+ ohdr->val = val;
+ ohdr->len = len;
+ if (data && len)
+ memcpy(ohdr->data, data, len);
+
+ cur = sizeof(*ohdr) + len;
+
+ printf("TX: %s\n", buf, hexdump(buf, cur));
+
+ ret = usb_bulk_write(hdl, OPCD_OUT_EP, buf, cur, 0);
+ if (ret < 0)
+ return ret;
+
+ /* this usleep is required in order to make the process work.
+ * apparently some race condition in the bootloader if we feed
+ * data too fast */
+ usleep(5000);
+
+ //return ezx_blob_recv_reply();
+}
+
+static struct option opts[] = {
+ { "led-set", 1, 0, 'l' },
+ { "reg-write", 1, 0, 'w' },
+ { "reg-read", 1, 0, 'r' },
+ { "fifo-write", 1, 0, 'W' },
+ { "fifo-read", 1, 0, 'R' },
+};
+
+static int get_number(const char *optarg, unsigned int min,
+ unsigned int max, unsigned int *num)
+{
+ char *endptr;
+ unsigned long nbr = strtoul(optarg, &endptr, 10);
+
+ if (nbr == 0 && optarg == endptr)
+ return -EINVAL;
+
+ if (nbr <= min || nbr >= max)
+ return -ERANGE;
+
+ *num = nbr;
+ return 0;
+}
+
+
+int main(int argc, char **argv)
+{
+ struct usb_device *dev;
+ int c;
+
+ usb_init();
+ if (!usb_find_busses())
+ exit(1);
+ if (!usb_find_devices())
+ exit(1);
+
+ dev = find_opcd_device();
+ if (!dev) {
+ printf("Cannot find OpenPCD device. Are you sure it is connected?\n");
+ exit(1);
+ }
+
+ hdl = usb_open(dev);
+ if (!hdl) {
+ printf("Unable to open usb device: %s\n", usb_strerror());
+ exit(1);
+ }
+
+ if (usb_claim_interface(hdl, 0) < 0) {
+ printf("Unable to claim usb interface 1 of device: %s\n", usb_strerror());
+ exit(1);
+ }
+
+ while (1) {
+ int option_index = 0;
+
+ c = getopt_long(argc, argv, "l:r:w:R:W:", opts,
+ &option_index);
+
+ if (c == -1)
+ break;
+
+ switch (c) {
+ unsigned int i,j;
+ case 'l':
+ if (get_number(optarg, 1, 2, &i) < 0)
+ exit(2);
+ if (get_number(argv[optind], 0, 1, &j) < 0)
+ exit(2);
+ opcd_send_command(OPENPCD_CMD_SET_LED, i, j, 0, NULL);
+ opcd_recv_reply();
+ break;
+ case 'r':
+ if (get_number(optarg, 0x00, 0x3f, &i) < 0)
+ exit(2);
+ opcd_send_command(OPENPCD_CMD_READ_REG, i, 0, 0, NULL);
+ opcd_recv_reply();
+ break;
+ case 'w':
+ if (get_number(optarg, 0x00, 0x3f, &i) < 0)
+ exit(2);
+ if (get_number(argv[optind], 0x00, 0xff, &j) < 0)
+ exit(2);
+ fprintf(stdout, "setting register 0x%02x to 0x%02x\n", i, j);
+ opcd_send_command(OPENPCD_CMD_WRITE_REG, i, j, 0, NULL);
+ opcd_recv_reply();
+ break;
+ case 'R':
+ if (get_number(optarg, 0x00, 0x3f, &i) < 0)
+ exit(2);
+ opcd_send_command(OPENPCD_CMD_READ_FIFO, 0, i, 0, NULL);
+ opcd_recv_reply();
+ break;
+ case 'W':
+ fprintf(stderr, "FIFO write not implemented yet\n");
+ break;
+ default:
+ fprintf(stderr, "unknown key `%c'\n", c);
+ break;
+ }
+ }
+
+#if 0
+ //opcd_send_command(OPENPCD_CMD_SET_LED, 2, 1, 0, NULL);
+
+ opcd_send_command(OPENPCD_CMD_WRITE_REG, 0x1b, 0x11, 0, NULL);
+ opcd_recv_reply();
+
+ opcd_send_command(OPENPCD_CMD_READ_REG, 0x1b, 0x00, 0, NULL);
+ opcd_recv_reply();
+
+ opcd_send_command(OPENPCD_CMD_WRITE_REG, 0x1b, 0x33, 0, NULL);
+ opcd_recv_reply();
+
+ opcd_send_command(OPENPCD_CMD_READ_REG, 0x1b, 0x00, 0, NULL);
+ opcd_recv_reply();
+
+ opcd_send_command(OPENPCD_CMD_WRITE_REG, 0x15, 0x33, 0, NULL);
+#endif
+
+ exit(0);
+}
diff --git a/openpcd/opcd_test/openpcd.h b/openpcd/opcd_test/openpcd.h
new file mode 100644
index 0000000..88478a4
--- /dev/null
+++ b/openpcd/opcd_test/openpcd.h
@@ -0,0 +1,24 @@
+#ifndef _OPENPCD_PROTO_H
+#define _OPENPCD_PROTO_H
+
+#include <sys/types.h>
+
+struct openpcd_hdr {
+ u_int8_t cmd; /* command */
+ u_int8_t flags;
+ u_int8_t reg; /* register */
+ u_int8_t val; /* value (in case of write *) */
+ u_int16_t len;
+ u_int16_t res;
+ u_int8_t data[0];
+} __attribute__ ((packed));
+
+#define OPENPCD_CMD_WRITE_REG 0x01
+#define OPENPCD_CMD_WRITE_FIFO 0x02
+#define OPENPCD_CMD_WRITE_VFIFO 0x03
+#define OPENPCD_CMD_READ_REG 0x11
+#define OPENPCD_CMD_READ_FIFO 0x12
+#define OPENPCD_CMD_READ_VFIFO 0x13
+#define OPENPCD_CMD_SET_LED 0x21
+
+#endif
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