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usbutils allow read termination match to be a string

nfactor-troky
Kano 12 years ago
parent
c63ae9d981
commit
b29828e8da
2 changed files with 33 additions and 16 deletions
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  1. 32
      usbutils.c
  2. 17
      usbutils.h

32
usbutils.c
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@ -1559,7 +1559,7 @@ static void rejected_inc(struct cgpu_info *cgpu)
} }
#endif #endif
int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, int eol, enum usb_cmds cmd, bool ftdi) int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, const char *end, enum usb_cmds cmd, bool ftdi)
{ {
struct cg_usb_device *usbdev = cgpu->usbdev; struct cg_usb_device *usbdev = cgpu->usbdev;
#if DO_USB_STATS #if DO_USB_STATS
@ -1568,8 +1568,10 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
struct timeval read_start, tv_finish; struct timeval read_start, tv_finish;
unsigned int initial_timeout; unsigned int initial_timeout;
double max, done; double max, done;
int err, got, tot, i; int err, got, tot;
bool first = true; bool first = true;
char *search;
int endlen;
if (cgpu->usbinfo.nodev) { if (cgpu->usbinfo.nodev) {
*buf = '\0'; *buf = '\0';
@ -1583,7 +1585,7 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
if (timeout == DEVTIMEOUT) if (timeout == DEVTIMEOUT)
timeout = usbdev->found->timeout; timeout = usbdev->found->timeout;
if (eol == -1) { if (end == NULL) {
got = 0; got = 0;
STATS_TIMEVAL(&tv_start); STATS_TIMEVAL(&tv_start);
err = libusb_bulk_transfer(usbdev->handle, err = libusb_bulk_transfer(usbdev->handle,
@ -1613,6 +1615,7 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
} }
tot = 0; tot = 0;
endlen = strlen(end);
err = LIBUSB_SUCCESS; err = LIBUSB_SUCCESS;
initial_timeout = timeout; initial_timeout = timeout;
max = ((double)timeout) / 1000.0; max = ((double)timeout) / 1000.0;
@ -1643,10 +1646,23 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
if (err) if (err)
break; break;
// WARNING - this will return data past EOL ('if' there is extra data) // WARNING - this will return data past END ('if' there is extra data)
for (i = 0; i < got; i++) if (endlen <= tot) {
if (buf[i] == eol) // If END is only 1 char - do a faster search
goto goteol; if (endlen == 1) {
if (strchr(buf, *end))
break;
} else {
// must allow END to have been chopped in 2 transfers
if ((tot - got) >= (endlen - 1))
search = buf - (endlen - 1);
else
search = buf - (tot - got);
if (strstr(search, end))
break;
}
}
buf += got; buf += got;
bufsiz -= got; bufsiz -= got;
@ -1661,8 +1677,6 @@ int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *pro
timeout = initial_timeout - (done * 1000); timeout = initial_timeout - (done * 1000);
} }
goteol:
*processed = tot; *processed = tot;
if (NODEV(err)) if (NODEV(err))

17
usbutils.h
Unescape View File

@ -135,26 +135,26 @@ bool usb_init(struct cgpu_info *cgpu, struct libusb_device *dev, struct usb_find
void usb_detect(struct device_drv *drv, bool (*device_detect)(struct libusb_device *, struct usb_find_devices *)); void usb_detect(struct device_drv *drv, bool (*device_detect)(struct libusb_device *, struct usb_find_devices *));
struct api_data *api_usb_stats(int *count); struct api_data *api_usb_stats(int *count);
void update_usb_stats(struct cgpu_info *cgpu); void update_usb_stats(struct cgpu_info *cgpu);
int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, int eol, enum usb_cmds, bool ftdi); int _usb_read(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, const char *end, enum usb_cmds cmd, bool ftdi);
int _usb_write(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, enum usb_cmds); int _usb_write(struct cgpu_info *cgpu, int ep, char *buf, size_t bufsiz, int *processed, unsigned int timeout, enum usb_cmds);
int _usb_transfer(struct cgpu_info *cgpu, uint8_t request_type, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, unsigned int timeout, enum usb_cmds cmd); int _usb_transfer(struct cgpu_info *cgpu, uint8_t request_type, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, unsigned int timeout, enum usb_cmds cmd);
void usb_cleanup(); void usb_cleanup();
void usb_initialise(); void usb_initialise();
#define usb_read(cgpu, buf, bufsiz, read, cmd) \ #define usb_read(cgpu, buf, bufsiz, read, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, -1, cmd, false) _usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, NULL, cmd, false)
#define usb_read_nl(cgpu, buf, bufsiz, read, cmd) \ #define usb_read_nl(cgpu, buf, bufsiz, read, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, '\n', cmd, false) _usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, "\n", cmd, false)
#define usb_read_ep(cgpu, ep, buf, bufsiz, read, cmd) \ #define usb_read_ep(cgpu, ep, buf, bufsiz, read, cmd) \
_usb_read(cgpu, ep, buf, bufsiz, read, DEVTIMEOUT, -1, cmd, false) _usb_read(cgpu, ep, buf, bufsiz, read, DEVTIMEOUT, NULL, cmd, false)
#define usb_read_timeout(cgpu, buf, bufsiz, read, timeout, cmd) \ #define usb_read_timeout(cgpu, buf, bufsiz, read, timeout, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, timeout, -1, cmd, false) _usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, timeout, NULL, cmd, false)
#define usb_read_ep_timeout(cgpu, ep, buf, bufsiz, read, timeout, cmd) \ #define usb_read_ep_timeout(cgpu, ep, buf, bufsiz, read, timeout, cmd) \
_usb_read(cgpu, ep, buf, bufsiz, read, timeout, -1, cmd, false) _usb_read(cgpu, ep, buf, bufsiz, read, timeout, NULL, cmd, false)
#define usb_write(cgpu, buf, bufsiz, wrote, cmd) \ #define usb_write(cgpu, buf, bufsiz, wrote, cmd) \
_usb_write(cgpu, DEFAULT_EP_OUT, buf, bufsiz, wrote, DEVTIMEOUT, cmd) _usb_write(cgpu, DEFAULT_EP_OUT, buf, bufsiz, wrote, DEVTIMEOUT, cmd)
@ -169,7 +169,10 @@ void usb_initialise();
_usb_write(cgpu, ep, buf, bufsiz, wrote, timeout, cmd) _usb_write(cgpu, ep, buf, bufsiz, wrote, timeout, cmd)
#define usb_ftdi_read_nl(cgpu, buf, bufsiz, read, cmd) \ #define usb_ftdi_read_nl(cgpu, buf, bufsiz, read, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, '\n', cmd, true) _usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, "\n", cmd, true)
#define usb_ftdi_read_ok(cgpu, buf, bufsiz, read, cmd) \
_usb_read(cgpu, DEFAULT_EP_IN, buf, bufsiz, read, DEVTIMEOUT, "OK\n", cmd, true)
#define usb_transfer(cgpu, typ, req, val, idx, cmd) \ #define usb_transfer(cgpu, typ, req, val, idx, cmd) \
_usb_transfer(cgpu, typ, req, val, idx, DEVTIMEOUT, cmd) _usb_transfer(cgpu, typ, req, val, idx, DEVTIMEOUT, cmd)

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