Provide -P usb:vid:pid for USB hid i/f and allow long -P usb:serno

This commit is contained in:
Stefan Rueger
2024-08-03 16:14:27 +01:00
parent 375c406d23
commit 92d4db7262
2 changed files with 72 additions and 56 deletions

View File

@@ -17,7 +17,7 @@
*/
/*
* USB interface via libhidapi for avrdude.
* USB interface via libhidapi for avrdude; it's used for jtag3 programmers
*/
#include <ac_cfg.h>
@@ -45,9 +45,9 @@
* to pass the desired USB device ID.
*/
static int usbhid_open(const char *port, union pinfo pinfo, union filedescriptor *fd) {
hid_device *dev;
char *serno, *cp2;
size_t x;
hid_device *dev = NULL;
char serno[64], *s;
const char *serp, *vidp, *pidp;
unsigned char usbbuf[USBDEV_MAX_XFER_3 + 1];
if (fd->usb.max_xfer == 0)
@@ -56,31 +56,38 @@ static int usbhid_open(const char *port, union pinfo pinfo, union filedescriptor
/*
* The syntax for usb devices is defined as:
*
* -P usb[:serialnumber]
* -P usb:vid:pid
* -P usb:serialnumber
* -P usb
*
* See if we've got a serial number passed here. The serial number
* might contain colons which we remove below, and we compare it
* right-to-left, so only the least significant nibbles need to be
* specified.
* First check for a valid vid:pid pair, then see if there is a serial number
* passed here. The serial number might contain colons which are removed;
* comparison is right-to-left, so only the least significant nibbles need to
* be specified.
*/
if ((serno = strchr(port, ':')) != NULL) {
/* First, drop all colons there if any */
cp2 = ++serno;
while ((cp2 = strchr(cp2, ':')) != NULL) {
x = strlen(cp2) - 1;
memmove(cp2, cp2 + 1, x);
cp2[x] = '\0';
if((vidp = strchr(port, ':')) && (pidp = strchr(vidp+1, ':'))) {
int vid, pid;
if(sscanf(vidp+1, "%x", &vid) == 1 && sscanf(pidp+1, "%x", &pid) == 1) {
if((dev = hid_open(vid, pid, NULL))) {
pmsg_notice2("USB device with VID: 0x%04x and PID: 0x%04x\n", vid, pid);
pinfo.usbinfo.vid = vid;
pinfo.usbinfo.pid = pid;
}
}
}
if (strlen(serno) > 12) {
pmsg_error("invalid serial number %s\n", serno);
return -1;
}
if(!dev && (serp = vidp) && *++serp) {
// First, get a copy of the serial number w/out colons
for(s = serno; *serp && s < serno + sizeof serno - 1; serp++)
if(*serp != ':')
*s++ = *serp;
*s = 0;
wchar_t wserno[15];
mbstowcs(wserno, serno, 15);
size_t serlen = strlen(serno);
wchar_t wserno[sizeof serno] = {0};
mbstowcs(wserno, serno, sizeof serno);
size_t serlen = s - serno;
/*
* Now, try finding all devices matching VID:PID, and compare
@@ -117,7 +124,7 @@ static int usbhid_open(const char *port, union pinfo pinfo, union filedescriptor
pmsg_error("found device, but hid_open_path() failed\n");
return -1;
}
} else {
} else if(!dev) {
dev = hid_open(pinfo.usbinfo.vid, pinfo.usbinfo.pid, NULL);
if (dev == NULL)
{
@@ -142,6 +149,26 @@ static int usbhid_open(const char *port, union pinfo pinfo, union filedescriptor
fd->usb.handle = dev;
/*
* If a device contains the string "CMSIS-DAP" anywhere in its product name
* string, it claims to be a CMSIS-DAP spec HID device. HID interrupt packets
* can only be 64 byte (Full-Speed) or 512 byte (High-Speed) in length and
* cannot be any other value. Standard-Speed (8 bytes) will not work.
*/
wchar_t ps[256];
if (hid_get_product_string(dev, ps, 255) == 0) {
size_t n = wcstombs(NULL, ps, 0) + 1;
if (n) {
char cn[255];
if (wcstombs(cn, ps, n) != (size_t) -1 && str_contains(cn, "CMSIS-DAP")) {
// The JTAGICE3 running CMSIS-DAP doesn't use a separate endpoint for event reception
fd->usb.eep = 0;
fd->usb.max_xfer = 64;
pmsg_debug("usbhid_open(): product string: %s\n", cn);
}
}
}
/*
* Try finding out the endpoint size. Alas, libhidapi doesn't
* provide us with an API function for that, nor for the report
@@ -168,7 +195,8 @@ static int usbhid_open(const char *port, union pinfo pinfo, union filedescriptor
* be incremented by one, as the report ID will be omitted by the
* hidapi library.
*/
if (pinfo.usbinfo.vid == USB_VENDOR_ATMEL) {
if(pinfo.usbinfo.vid == USB_VENDOR_ATMEL || pinfo.usbinfo.vid == USB_VENDOR_MICROCHIP) {
pmsg_debug("%s(): probing for max packet size\n", __func__);
memset(usbbuf, 0, sizeof usbbuf);
usbbuf[0] = 0; /* no HID reports used */

View File

@@ -61,10 +61,10 @@ static int usbdev_open(const char *port, union pinfo pinfo, union filedescriptor
struct usb_bus *bus;
struct usb_device *dev;
usb_dev_handle *udev;
char *serno, *cp2;
char *s, serno[64] = {0};
const char *serp;
int i;
int iface;
size_t x;
/*
* The syntax for usb devices is defined as:
@@ -76,24 +76,13 @@ static int usbdev_open(const char *port, union pinfo pinfo, union filedescriptor
* right-to-left, so only the least significant nibbles need to be
* specified.
*/
if ((serno = strchr(port, ':')) != NULL)
{
/* first, drop all colons there if any */
cp2 = ++serno;
while ((cp2 = strchr(cp2, ':')) != NULL)
{
x = strlen(cp2) - 1;
memmove(cp2, cp2 + 1, x);
cp2[x] = '\0';
}
if (strlen(serno) > 12)
{
pmsg_error("invalid serial number %s\n", serno);
return -1;
}
}
if((serp = strchr(port, ':')) && *++serp) {
// First, get a copy of the serial number w/out colons
for(s = serno; *serp && s < serno + sizeof serno - 1; serp++)
if(*serp != ':')
*s++ = *serp;
*s = 0;
}
if (fd->usb.max_xfer == 0)
fd->usb.max_xfer = USBDEV_MAX_XFER_MKII;
@@ -126,10 +115,9 @@ static int usbdev_open(const char *port, union pinfo pinfo, union filedescriptor
* particular serial number, so we could
* continue anyway.
*/
if (serno != NULL)
if(*serno)
return -1; /* no chance */
else
strcpy(string, "[unknown]");
strcpy(string, "[unknown]");
}
if(serdev)
serdev->usbsn = cache_string(string);
@@ -173,20 +161,20 @@ static int usbdev_open(const char *port, union pinfo pinfo, union filedescriptor
fd->usb.wep = 0x02;
}
pmsg_notice2("%s(): found %s, serno: %s\n", __func__, product, string);
if (serno != NULL)
pmsg_notice2("%s(): found %s, serno: %s\n", __func__, product, string);
if (*serno)
{
/*
* See if the serial number requested by the
* user matches what we found, matching
* right-to-left.
*/
x = strlen(string) - strlen(serno);
if (!str_caseeq(string + x, serno))
int x = strlen(string) - strlen(serno);
if (x < 0 || !str_caseeq(string + x, serno))
{
pmsg_debug("%s(): serial number does not match\n", __func__);
pmsg_debug("%s(): serial number does not match\n", __func__);
usb_close(udev);
continue;
continue;
}
}
@@ -292,8 +280,8 @@ static int usbdev_open(const char *port, union pinfo pinfo, union filedescriptor
}
if ((pinfo.usbinfo.flags & PINFO_FL_SILENT) == 0)
pmsg_notice("%s(): did not find any%s USB device %s (0x%04x:0x%04x)\n", __func__,
serno? " (matching)": "", port, (unsigned)pinfo.usbinfo.vid, (unsigned)pinfo.usbinfo.pid);
pmsg_notice("%s(): did not find any%s USB device %s (0x%04x:0x%04x)\n", __func__,
*serno? " (matching)": "", port, (unsigned) pinfo.usbinfo.vid, (unsigned)pinfo.usbinfo.pid);
return -1;
}