*/
int fx3_load_ram(libusb_device_handle *device, const char *path)
{
- unsigned int dCheckSum, dExpectedCheckSum, dAddress, i, dLen, dLength;
- unsigned short wSignature;
- unsigned int dImageBuf[512 * 1024];
+ uint32_t dCheckSum, dExpectedCheckSum, dAddress, i, dLen, dLength;
+ uint16_t wSignature;
+ uint32_t* dImageBuf;
unsigned char *bBuf, rBuf[4096];
FILE *image;
} else if (verbose)
logerror("open firmware image %s for RAM upload\n", path);
- fread(&wSignature, 1, 2, image); // read signature bytes
- if (wSignature != 0x5943) { // check CY signature byte
- logerror("Invalid image");
+ if ((fread(&wSignature, sizeof(uint16_t), 1, image) != 1) ||
+ (wSignature != 0x5943)) { // check "CY" signature byte
+ logerror("invalid image (signature error)");
+ return -3;
+ }
+ if (fread(&i, 1, 2, image) != 2) { // skip 2 dummy bytes
+ logerror("could not read image");
return -3;
}
- fread(&i, 2, 1, image); // skip 2 dummy bytes
dCheckSum = 0;
while (1) {
- fread(&dLength, 4, 1, image); // read dLength
- fread(&dAddress, 4, 1, image); // read dAddress
+ if ((fread(&dLength, sizeof(uint32_t), 1, image) != 1) || // read dLength
+ (fread(&dAddress, sizeof(uint32_t), 1, image) != 1)) { // read dAddress
+ logerror("could not read image");
+ return -3;
+ }
if (dLength == 0)
break; // done
+ dImageBuf = calloc(dLength, sizeof(uint32_t));
+ if (dImageBuf == NULL) {
+ logerror("could not allocate buffer for image chunk\n");
+ return -4;
+ }
+
// read sections
- fread(dImageBuf, 4, dLength, image);
+ if (fread(dImageBuf, sizeof(uint32_t), dLength, image) != dLength) {
+ logerror("could not read image");
+ free(dImageBuf);
+ return -3;
+ }
for (i = 0; i < dLength; i++)
dCheckSum += dImageBuf[i];
dLength <<= 2; // convert to Byte length
dLen = 4096; // 4K max
if (dLen > dLength)
dLen = dLength;
- ezusb_write(device, "Write firmware", RW_INTERNAL, dAddress, bBuf, dLen);
- ezusb_read(device, "Read firmware", RW_INTERNAL, dAddress, rBuf, dLen);
+ if ((ezusb_write(device, "write firmware", RW_INTERNAL, dAddress, bBuf, dLen) < 0) ||
+ (ezusb_read(device, "read firmware", RW_INTERNAL, dAddress, rBuf, dLen) < 0)) {
+ logerror("R/W error\n");
+ free(dImageBuf);
+ return -5;
+ }
// Verify data: rBuf with bBuf
for (i = 0; i < dLen; i++) {
if (rBuf[i] != bBuf[i]) {
- logerror("Fail to verify image");
- return -3;
+ logerror("verify error");
+ free(dImageBuf);
+ return -6;
}
}
bBuf += dLen;
dAddress += dLen;
}
+ free(dImageBuf);
}
// read pre-computed checksum data
- fread(&dExpectedCheckSum, 4, 1, image);
- if (dCheckSum != dExpectedCheckSum) {
- logerror("Fail to boot due to checksum error\n");
- return -4;
+ if ((fread(&dExpectedCheckSum, sizeof(uint32_t), 1, image) != 1) ||
+ (dCheckSum != dExpectedCheckSum)) {
+ logerror("checksum error\n");
+ return -7;
}
// transfer execution to Program Entry
- ezusb_write(device, "Jump command", RW_INTERNAL, dAddress, NULL, 0);
+ if (ezusb_write(device, "Jump command", RW_INTERNAL, dAddress, NULL, 0) < 0) {
+ logerror("failed to send jump command\n");
+ return -6;
+ }
- logerror("Done!\n");
return 0;
}
#define IMG_TYPE_MAX 4
#define IMG_TYPE_NAMES { "Intel HEX", "Cypress 8051 IIC", "Cypress 8051 BIX", "Cypress IMG format" }
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/*
* Automatically identified devices (VID, PID, type, designation).
* TODO: Could use some validation. Also where's the FX2?
/* boolean flag, says whether to write extra messages to stderr */
extern int verbose;
+
+#ifdef __cplusplus
+}
+#endif
+
#endif
* Copyright © 2001-2002 David Brownell (dbrownell@users.sourceforge.net)
* Copyright © 2008 Roger Williams (rawqux@users.sourceforge.net)
* Copyright © 2012 Pete Batard (pete@akeo.ie)
+ * Copyright © 2013 Federico Manzan (f.manzan@gmail.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
-/*
- * This program supports uploading firmware into a target USB device.
- *
- * -I <path> -- Upload this firmware
- * -t <type> -- uController type: an21, fx, fx2, fx2lp, fx3
- *
- * -D <vid:pid> -- Use this device, instead of $DEVICE
- *
- * -V -- Print version ID for program
- */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
{
fx_known_device known_device[] = FX_KNOWN_DEVICES;
const char *path[] = { NULL, NULL };
- const char *device_id = getenv("DEVICE");
+ const char *device_id = NULL;
+ const char *device_path = getenv("DEVICE");
const char *type = NULL;
const char *fx_name[FX_TYPE_MAX] = FX_TYPE_NAMES;
const char *ext, *img_name[] = IMG_TYPE_NAMES;
int fx_type = FX_TYPE_UNDEFINED, img_type[ARRAYSIZE(path)];
int i, j, opt, status;
unsigned vid = 0, pid = 0;
+ unsigned busnum = 0, devaddr = 0;
libusb_device *dev, **devs;
libusb_device_handle *device = NULL;
struct libusb_device_descriptor desc;
- while ((opt = getopt(argc, argv, "vV?D:I:c:s:t:")) != EOF)
+ while ((opt = getopt(argc, argv, "vV?hd:a:i:I:t:")) != EOF)
switch (opt) {
- case 'D':
+ case 'd':
device_id = optarg;
+ if (sscanf(device_id, "%x:%x" , &vid, &pid) != 2 ) {
+ fputs ("please specify VID & PID as \"vid:pid\", in hexadecimal format\n", stderr);
+ return -1;
+ }
break;
+ case 'a':
+ device_path = optarg;
+ if (sscanf(device_path, "%u:%u", &busnum, &devaddr) != 2 ) {
+ fputs ("please specify bus number & device address as \"bus:addr\", in decimal format\n", stderr);
+ return -1;
+ }
+ break;
+
+ case 'i':
case 'I':
path[FIRMWARE] = optarg;
break;
break;
case '?':
+ case 'h':
default:
goto usage;
if (path[FIRMWARE] == NULL) {
logerror("no firmware specified!\n");
usage:
- fprintf(stderr, "\nusage: %s [-vV] [-t type] [-D vid:pid] -I firmware\n", argv[0]);
- fprintf(stderr, " type: one of an21, fx, fx2, fx2lp, fx3\n");
- return -1;
- }
-
- if ((device_id != NULL) && (sscanf(device_id, "%x:%x" , &vid, &pid) != 2 )) {
- fputs ("please specify VID & PID as \"vid:pid\" in hexadecimal format\n", stderr);
+ fprintf(stderr, "\nUsage: fxload [-v] [-V] [-t type] [-d vid:pid] [-a bus:addr] -i firmware\n");
+ fprintf(stderr, " -i <path> -- Firmware to upload\n");
+ fprintf(stderr, " -t <type> -- Target type: an21, fx, fx2, fx2lp, fx3\n");
+ fprintf(stderr, " -d <vid:pid> -- Target device, as an USB VID:PID\n");
+ fprintf(stderr, " -a <bus:addr> -- Target device, as a libusbx bus and address\n");
+ fprintf(stderr, " -v -- Increase verbosity\n");
+ fprintf(stderr, " -V -- Print program version\n");
return -1;
}
libusb_set_debug(NULL, verbose);
/* try to pick up missing parameters from known devices */
- if ((type == NULL) || (device_id == NULL)) {
+ if (device_path || (type == NULL) || (device_id == NULL)) {
if (libusb_get_device_list(NULL, &devs) < 0) {
logerror("libusb_get_device_list() failed: %s\n", libusb_error_name(status));
goto err;
}
for (i=0; (dev=devs[i]) != NULL; i++) {
+ if (device_path) {
+ if ((libusb_get_bus_number(dev) == busnum) && (libusb_get_device_address(dev) == devaddr))
+ break;
+ continue;
+ }
status = libusb_get_device_descriptor(dev, &desc);
if (status >= 0) {
if (verbose >= 2)
}
if (dev == NULL) {
libusb_free_device_list(devs, 1);
- logerror("could not find a known device - please specify type and/or vid:pid\n");
+ logerror("could not find a known device - please specify type and/or vid:pid or bus:addr\n");
goto usage;
}
status = libusb_open(dev, &device);
goto err;
}
}
+
/* We need to claim the first interface */
status = libusb_claim_interface(device, 0);
#if defined(__linux__)
-#define LIBUSB_NANO 10628
+#define LIBUSB_NANO 10629