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authorJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 16:59:49 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2019-07-31 16:59:49 +0200
commit1687222e1b9e74c89cafbb5910e72d8ec7bfd40f (patch)
treed78102ce30207c63e7608eeba743efd680c888dc /backend/hp5590_low.c
parent58912f68c2489bcee787599837447e0d64dfd61a (diff)
New upstream version 1.0.28upstream/1.0.28
Diffstat (limited to 'backend/hp5590_low.c')
-rw-r--r--backend/hp5590_low.c656
1 files changed, 328 insertions, 328 deletions
diff --git a/backend/hp5590_low.c b/backend/hp5590_low.c
index 4961fd7..4936c58 100644
--- a/backend/hp5590_low.c
+++ b/backend/hp5590_low.c
@@ -59,9 +59,9 @@
#include "hp5590_low.h"
/* Debug levels */
-#define DBG_err 0
-#define DBG_proc 10
-#define DBG_usb 50
+#define DBG_err 0
+#define DBG_proc 10
+#define DBG_usb 50
/* Custom assert() macro */
#define hp5590_low_assert(exp) if(!(exp)) { \
@@ -72,38 +72,38 @@
/* Structure describing bulk transfer size */
struct bulk_size
{
- uint16_t size;
- uint8_t unused;
+ uint16_t size;
+ uint8_t unused;
} __attribute__ ((packed));
/* Structure describing bulk URB */
/* FIXME: Verify according to USB standard */
struct usb_in_usb_bulk_setup
{
- uint8_t bRequestType;
- uint8_t bRequest;
- uint8_t bEndpoint;
- uint16_t unknown;
- uint16_t wLength; /* MSB first */
- uint8_t pad;
+ uint8_t bRequestType;
+ uint8_t bRequest;
+ uint8_t bEndpoint;
+ uint16_t unknown;
+ uint16_t wLength; /* MSB first */
+ uint8_t pad;
} __attribute__ ((packed));
/* Structure describing control URB */
struct usb_in_usb_ctrl_setup {
uint8_t bRequestType;
uint8_t bRequest;
- uint16_t wValue; /* MSB first */
- uint16_t wIndex; /* MSB first */
- uint16_t wLength; /* LSB first */
+ uint16_t wValue; /* MSB first */
+ uint16_t wIndex; /* MSB first */
+ uint16_t wLength; /* LSB first */
} __attribute__ ((packed));
/* CORE status flag - ready or not */
-#define CORE_FLAG_NOT_READY 1 << 1
+#define CORE_FLAG_NOT_READY 1 << 1
/* Bulk transfers are done in pages, below their respective sizes */
-#define BULK_WRITE_PAGE_SIZE 0x0f000
-#define BULK_READ_PAGE_SIZE 0x10000
-#define ALLOCATE_BULK_READ_PAGES 16 /* 16 * 65536 = 1Mb */
+#define BULK_WRITE_PAGE_SIZE 0x0f000
+#define BULK_READ_PAGE_SIZE 0x10000
+#define ALLOCATE_BULK_READ_PAGES 16 /* 16 * 65536 = 1Mb */
/* Structure describing bulk read state, because bulk reads will be done in
* pages, but function caller uses its own buffer, whose size is certainly
@@ -112,14 +112,14 @@ struct usb_in_usb_ctrl_setup {
*/
struct bulk_read_state
{
- unsigned char *buffer;
- unsigned int buffer_size;
- unsigned int bytes_available;
+ unsigned char *buffer;
+ unsigned int buffer_size;
+ unsigned int bytes_available;
unsigned char *buffer_out_ptr;
unsigned char *buffer_in_ptr;
- unsigned int total_pages;
+ unsigned int total_pages;
unsigned char *buffer_end_ptr;
- unsigned int initialized;
+ unsigned int initialized;
};
/*******************************************************************************
@@ -134,10 +134,10 @@ struct bulk_read_state
*/
static SANE_Status
hp5590_get_ack (SANE_Int dn,
- enum proto_flags proto_flags)
+ enum proto_flags proto_flags)
{
- uint8_t status;
- SANE_Status ret;
+ uint8_t status;
+ SANE_Status ret;
/* Bypass reading acknowledge if the device doesn't need it */
if (proto_flags & PF_NO_USB_IN_USB_ACK)
@@ -147,22 +147,22 @@ hp5590_get_ack (SANE_Int dn,
/* Check if USB-in-USB operation was accepted */
ret = sanei_usb_control_msg (dn, USB_DIR_IN | USB_TYPE_VENDOR,
- 0x0c, 0x8e, 0x20,
- sizeof (status), &status);
+ 0x0c, 0x8e, 0x20,
+ sizeof (status), &status);
if (ret != SANE_STATUS_GOOD)
{
DBG (DBG_err, "%s: USB-in-USB: error getting acknowledge\n",
- __func__);
+ __func__);
return ret;
}
DBG (DBG_usb, "%s: USB-in-USB: accepted\n", __func__);
- /* Check if we received correct acknowledgement */
+ /* Check if we received correct acknowledgment */
if (status != 0x01)
{
DBG (DBG_err, "%s: USB-in-USB: not accepted (status %u)\n",
- __func__, status);
+ __func__, status);
return SANE_STATUS_DEVICE_BUSY;
}
@@ -181,7 +181,7 @@ hp5590_get_ack (SANE_Int dn,
*/
static SANE_Status
hp5590_get_status (SANE_Int dn,
- __sane_unused__ enum proto_flags proto_flags)
+ __sane_unused__ enum proto_flags proto_flags)
{
uint8_t status;
SANE_Status ret;
@@ -189,12 +189,12 @@ hp5590_get_status (SANE_Int dn,
DBG (DBG_proc, "%s\n", __func__);
ret = sanei_usb_control_msg (dn, USB_DIR_IN | USB_TYPE_VENDOR,
- 0x0c, 0x8e, 0x00,
- sizeof (status), &status);
+ 0x0c, 0x8e, 0x00,
+ sizeof (status), &status);
if (ret != SANE_STATUS_GOOD)
{
DBG (DBG_err, "%s: USB-in-USB: error getting device status\n",
- __func__);
+ __func__);
return ret;
}
@@ -202,7 +202,7 @@ hp5590_get_status (SANE_Int dn,
if (status != 0x00)
{
DBG (DBG_err, "%s: USB-in-USB: got non-zero device status (status %u)\n",
- __func__, status);
+ __func__, status);
return SANE_STATUS_DEVICE_BUSY;
}
@@ -214,15 +214,15 @@ hp5590_get_status (SANE_Int dn,
*
* Parameters
* dn - sanei_usb device descriptor
- * requesttype, request, value, index - their meaninings are similar to
+ * requesttype, request, value, index - their meanings are similar to
* sanei_control_msg()
* bytes - pointer to data buffer
* size - size of data
- * core_flags -
+ * core_flags -
* CORE_NONE - no CORE operation will be performed
* CORE_DATA - operation on CORE data will be performed
* CORE_BULK_IN - preparation for bulk IN transfer (not used yet)
- * CORE_BULK_OUT - preparation for bulk OUT trasfer
+ * CORE_BULK_OUT - preparation for bulk OUT transfer
*
* Returns
* SANE_STATUS_GOOD - control message was sent w/o any errors
@@ -230,18 +230,18 @@ hp5590_get_status (SANE_Int dn,
*/
static SANE_Status
hp5590_control_msg (SANE_Int dn,
- enum proto_flags proto_flags,
- int requesttype, int request,
- int value, int index, unsigned char *bytes,
- int size, int core_flags)
+ enum proto_flags proto_flags,
+ int requesttype, int request,
+ int value, int index, unsigned char *bytes,
+ int size, int core_flags)
{
- struct usb_in_usb_ctrl_setup ctrl;
- SANE_Status ret;
- unsigned int len;
- unsigned char *ptr;
- uint8_t ack;
- uint8_t response;
- unsigned int needed_response;
+ struct usb_in_usb_ctrl_setup ctrl;
+ SANE_Status ret;
+ unsigned int len;
+ unsigned char *ptr;
+ uint8_t ack;
+ uint8_t response;
+ unsigned int needed_response;
DBG (DBG_proc, "%s: USB-in-USB: core data: %s\n",
__func__, core_flags & CORE_DATA ? "yes" : "no");
@@ -262,60 +262,60 @@ hp5590_control_msg (SANE_Int dn,
DBG (DBG_usb, "%s: USB-in-USB: sending control msg\n", __func__);
/* Send USB-in-USB control message */
ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
- 0x04, 0x8f, 0x00,
- sizeof (ctrl), (unsigned char *) &ctrl);
+ 0x04, 0x8f, 0x00,
+ sizeof (ctrl), (unsigned char *) &ctrl);
if (ret != SANE_STATUS_GOOD)
- {
- DBG (DBG_err, "%s: USB-in-USB: error sending control message\n",
- __func__);
- return ret;
- }
+ {
+ DBG (DBG_err, "%s: USB-in-USB: error sending control message\n",
+ __func__);
+ return ret;
+ }
/* USB-in-USB: checking acknowledge for control message */
ret = hp5590_get_ack (dn, proto_flags);
if (ret != SANE_STATUS_GOOD)
- return ret;
+ return ret;
len = size;
ptr = bytes;
/* Data is read in 8 byte portions */
while (len)
- {
- unsigned int next_packet_size;
- next_packet_size = 8;
- if (len < 8)
- next_packet_size = len;
-
- /* Read USB-in-USB data */
- ret = sanei_usb_control_msg (dn, USB_DIR_IN | USB_TYPE_VENDOR,
- core_flags & CORE_DATA ? 0x0c : 0x04,
- 0x90, 0x00, next_packet_size, ptr);
- if (ret != SANE_STATUS_GOOD)
- {
- DBG (DBG_err, "%s: USB-in-USB: error reading data\n", __func__);
- return ret;
- }
-
- ptr += next_packet_size;
- len -= next_packet_size;
- }
+ {
+ unsigned int next_packet_size;
+ next_packet_size = 8;
+ if (len < 8)
+ next_packet_size = len;
+
+ /* Read USB-in-USB data */
+ ret = sanei_usb_control_msg (dn, USB_DIR_IN | USB_TYPE_VENDOR,
+ core_flags & CORE_DATA ? 0x0c : 0x04,
+ 0x90, 0x00, next_packet_size, ptr);
+ if (ret != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_err, "%s: USB-in-USB: error reading data\n", __func__);
+ return ret;
+ }
+
+ ptr += next_packet_size;
+ len -= next_packet_size;
+ }
/* Confirm data reception */
ack = 0;
ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
- 0x0c, 0x8f, 0x00,
- sizeof (ack), &ack);
+ 0x0c, 0x8f, 0x00,
+ sizeof (ack), &ack);
if (ret != SANE_STATUS_GOOD)
- {
- DBG (DBG_err, "%s: USB-in-USB: error confirming data reception\n",
- __func__);
- return -1;
- }
+ {
+ DBG (DBG_err, "%s: USB-in-USB: error confirming data reception\n",
+ __func__);
+ return -1;
+ }
/* USB-in-USB: checking if confirmation was acknowledged */
ret = hp5590_get_ack (dn, proto_flags);
if (ret != SANE_STATUS_GOOD)
- return ret;
+ return ret;
}
/* OUT (write) operation will be performed */
@@ -332,112 +332,112 @@ hp5590_control_msg (SANE_Int dn,
DBG (DBG_usb, "%s: USB-in-USB: sending control msg\n", __func__);
/* Send USB-in-USB control message */
ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
- 0x04, 0x8f, 0x00,
- sizeof (ctrl), (unsigned char *) &ctrl);
+ 0x04, 0x8f, 0x00,
+ sizeof (ctrl), (unsigned char *) &ctrl);
if (ret != SANE_STATUS_GOOD)
- {
- DBG (DBG_err, "%s: USB-in-USB: error sending control message\n",
- __func__);
- return ret;
- }
+ {
+ DBG (DBG_err, "%s: USB-in-USB: error sending control message\n",
+ __func__);
+ return ret;
+ }
/* USB-in-USB: checking acknowledge for control message */
ret = hp5590_get_ack (dn, proto_flags);
if (ret != SANE_STATUS_GOOD)
- return ret;
+ return ret;
len = size;
ptr = bytes;
/* Data is sent in 8 byte portions */
while (len)
- {
- unsigned int next_packet_size;
- next_packet_size = 8;
- if (len < 8)
- next_packet_size = len;
-
- /* Send USB-in-USB data */
- ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
- core_flags & CORE_DATA ? 0x04 : 0x0c,
- 0x8f, 0x00, next_packet_size, ptr);
- if (ret != SANE_STATUS_GOOD)
- {
- DBG (DBG_err, "%s: USB-in-USB: error sending data\n", __func__);
- return ret;
- }
-
- /* CORE data is acknowledged packet by packet */
- if (core_flags & CORE_DATA)
- {
- /* USB-in-USB: checking if data was accepted */
- ret = hp5590_get_ack (dn, proto_flags);
- if (ret != SANE_STATUS_GOOD)
- return ret;
- }
-
- ptr += next_packet_size;
- len -= next_packet_size;
- }
+ {
+ unsigned int next_packet_size;
+ next_packet_size = 8;
+ if (len < 8)
+ next_packet_size = len;
+
+ /* Send USB-in-USB data */
+ ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
+ core_flags & CORE_DATA ? 0x04 : 0x0c,
+ 0x8f, 0x00, next_packet_size, ptr);
+ if (ret != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_err, "%s: USB-in-USB: error sending data\n", __func__);
+ return ret;
+ }
+
+ /* CORE data is acknowledged packet by packet */
+ if (core_flags & CORE_DATA)
+ {
+ /* USB-in-USB: checking if data was accepted */
+ ret = hp5590_get_ack (dn, proto_flags);
+ if (ret != SANE_STATUS_GOOD)
+ return ret;
+ }
+
+ ptr += next_packet_size;
+ len -= next_packet_size;
+ }
/* Normal (non-CORE) data is acknowledged after its full transmission */
if (!(core_flags & CORE_DATA))
- {
- /* USB-in-USB: checking if data was accepted */
- ret = hp5590_get_ack (dn, proto_flags);
- if (ret != SANE_STATUS_GOOD)
- return ret;
- }
+ {
+ /* USB-in-USB: checking if data was accepted */
+ ret = hp5590_get_ack (dn, proto_flags);
+ if (ret != SANE_STATUS_GOOD)
+ return ret;
+ }
/* Getting response after data transmission */
DBG (DBG_usb, "%s: USB-in-USB: getting response\n", __func__);
ret = sanei_usb_control_msg (dn, USB_DIR_IN | USB_TYPE_VENDOR,
- 0x0c, 0x90, 0x00,
- sizeof (response), &response);
+ 0x0c, 0x90, 0x00,
+ sizeof (response), &response);
if (ret != SANE_STATUS_GOOD)
- {
- DBG (DBG_err, "%s: USB-in-USB: error getting response\n", __func__);
- return ret;
- }
+ {
+ DBG (DBG_err, "%s: USB-in-USB: error getting response\n", __func__);
+ return ret;
+ }
/* Necessary response after normal (non-CORE) data is 0x00,
* after bulk OUT preparation - 0x24
*/
needed_response = core_flags & CORE_BULK_OUT ? 0x24 : 0x00;
if (response == needed_response)
- DBG (DBG_usb, "%s: USB-in-USB: got correct response\n",
- __func__);
+ DBG (DBG_usb, "%s: USB-in-USB: got correct response\n",
+ __func__);
if (response != needed_response)
- {
- DBG (DBG_err,
- "%s: USB-in-USB: invalid response received "
- "(needed %04x, got %04x)\n",
- __func__, needed_response, response);
- return SANE_STATUS_IO_ERROR;
- }
+ {
+ DBG (DBG_err,
+ "%s: USB-in-USB: invalid response received "
+ "(needed %04x, got %04x)\n",
+ __func__, needed_response, response);
+ return SANE_STATUS_IO_ERROR;
+ }
/* Send bulk OUT flags is bulk OUT preparation is performed */
if (core_flags & CORE_BULK_OUT)
- {
- uint8_t bulk_flags = 0x24;
- DBG (DBG_usb, "%s: USB-in-USB: sending bulk flags\n",
- __func__);
-
- ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
- 0x0c, 0x83, 0x00,
- sizeof (bulk_flags), &bulk_flags);
- if (ret != SANE_STATUS_GOOD)
- {
- DBG (DBG_err, "%s: USB-in-USB: error sending bulk flags\n",
- __func__);
- return ret;
- }
-
- /* USB-in-USB: checking confirmation for bulk flags */
- ret = hp5590_get_ack (dn, proto_flags);
- if (ret != SANE_STATUS_GOOD)
- return ret;
- }
+ {
+ uint8_t bulk_flags = 0x24;
+ DBG (DBG_usb, "%s: USB-in-USB: sending bulk flags\n",
+ __func__);
+
+ ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
+ 0x0c, 0x83, 0x00,
+ sizeof (bulk_flags), &bulk_flags);
+ if (ret != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_err, "%s: USB-in-USB: error sending bulk flags\n",
+ __func__);
+ return ret;
+ }
+
+ /* USB-in-USB: checking confirmation for bulk flags */
+ ret = hp5590_get_ack (dn, proto_flags);
+ if (ret != SANE_STATUS_GOOD)
+ return ret;
+ }
}
return SANE_STATUS_GOOD;
@@ -458,24 +458,24 @@ hp5590_control_msg (SANE_Int dn,
*/
static SANE_Status
hp5590_verify_last_cmd (SANE_Int dn,
- enum proto_flags proto_flags,
- unsigned int cmd)
+ enum proto_flags proto_flags,
+ unsigned int cmd)
{
- uint16_t verify_cmd;
- unsigned int last_cmd;
- unsigned int core_status;
- SANE_Status ret;
+ uint16_t verify_cmd;
+ unsigned int last_cmd;
+ unsigned int core_status;
+ SANE_Status ret;
DBG (3, "%s: USB-in-USB: command verification requested\n",
__func__);
/* Read last command along with CORE status */
ret = hp5590_control_msg (dn,
- proto_flags,
- USB_DIR_IN,
- 0x04, 0xc5, 0x00,
- (unsigned char *) &verify_cmd,
- sizeof (verify_cmd), CORE_NONE);
+ proto_flags,
+ USB_DIR_IN,
+ 0x04, 0xc5, 0x00,
+ (unsigned char *) &verify_cmd,
+ sizeof (verify_cmd), CORE_NONE);
if (ret != SANE_STATUS_GOOD)
return ret;
@@ -493,8 +493,8 @@ hp5590_verify_last_cmd (SANE_Int dn,
if ((cmd & 0x00ff) != last_cmd)
{
DBG (DBG_err, "%s: USB-in-USB: command verification failed: "
- "expected 0x%04x, got 0x%04x\n",
- __func__, cmd, last_cmd);
+ "expected 0x%04x, got 0x%04x\n",
+ __func__, cmd, last_cmd);
return SANE_STATUS_IO_ERROR;
}
@@ -511,15 +511,15 @@ hp5590_verify_last_cmd (SANE_Int dn,
*
* Parameters
* dn - sanei_usb device descriptor
- * requesttype, request, value, index - their meaninings are similar to
+ * requesttype, request, value, index - their meanings are similar to
* sanei_control_msg()
* bytes - pointer to data buffer
* size - size of data
- * core_flags -
+ * core_flags -
* CORE_NONE - no CORE operation will be performed
* CORE_DATA - operation on CORE data will be performed
* CORE_BULK_IN - preparation for bulk IN transfer (not used yet)
- * CORE_BULK_OUT - preparation for bulk OUT trasfer
+ * CORE_BULK_OUT - preparation for bulk OUT transfer
*
* Returns
* SANE_STATUS_GOOD - command was sent (and possible verified) w/o any errors
@@ -527,19 +527,19 @@ hp5590_verify_last_cmd (SANE_Int dn,
*/
static SANE_Status
hp5590_cmd (SANE_Int dn,
- enum proto_flags proto_flags,
- unsigned int flags,
- unsigned int cmd, unsigned char *data, unsigned int size,
- unsigned int core_flags)
+ enum proto_flags proto_flags,
+ unsigned int flags,
+ unsigned int cmd, unsigned char *data, unsigned int size,
+ unsigned int core_flags)
{
SANE_Status ret;
DBG (3, "%s: USB-in-USB: command : %04x\n", __func__, cmd);
ret = hp5590_control_msg (dn,
- proto_flags,
- flags & CMD_IN ? USB_DIR_IN : USB_DIR_OUT,
- 0x04, cmd, 0x00, data, size, core_flags);
+ proto_flags,
+ flags & CMD_IN ? USB_DIR_IN : USB_DIR_OUT,
+ 0x04, cmd, 0x00, data, size, core_flags);
if (ret != SANE_STATUS_GOOD)
return ret;
@@ -578,21 +578,21 @@ hp5590_low_init_bulk_read_state (void **state)
memset (bulk_read_state, 0, sizeof (struct bulk_read_state));
bulk_read_state->buffer = malloc (ALLOCATE_BULK_READ_PAGES
- * BULK_READ_PAGE_SIZE);
+ * BULK_READ_PAGE_SIZE);
if (!bulk_read_state->buffer)
{
DBG (DBG_err, "%s: Memory allocation failed for %u bytes\n",
- __func__, ALLOCATE_BULK_READ_PAGES * BULK_READ_PAGE_SIZE);
+ __func__, ALLOCATE_BULK_READ_PAGES * BULK_READ_PAGE_SIZE);
return SANE_STATUS_NO_MEM;
}
bulk_read_state->buffer_size = ALLOCATE_BULK_READ_PAGES
- * BULK_READ_PAGE_SIZE;
+ * BULK_READ_PAGE_SIZE;
bulk_read_state->bytes_available = 0;
bulk_read_state->buffer_out_ptr = bulk_read_state->buffer;
bulk_read_state->buffer_in_ptr = bulk_read_state->buffer;
bulk_read_state->total_pages = 0;
bulk_read_state->buffer_end_ptr = bulk_read_state->buffer
- + bulk_read_state->buffer_size;
+ + bulk_read_state->buffer_size;
bulk_read_state->initialized = 1;
*state = bulk_read_state;
@@ -644,17 +644,17 @@ hp5590_low_free_bulk_read_state (void **state)
*/
static SANE_Status
hp5590_bulk_read (SANE_Int dn,
- enum proto_flags proto_flags,
- unsigned char *bytes, unsigned int size,
- void *state)
+ enum proto_flags proto_flags,
+ unsigned char *bytes, unsigned int size,
+ void *state)
{
- struct usb_in_usb_bulk_setup ctrl;
- SANE_Status ret;
- unsigned int next_pages;
- uint8_t bulk_flags;
- size_t next_portion;
- struct bulk_read_state *bulk_read_state;
- unsigned int bytes_until_buffer_end;
+ struct usb_in_usb_bulk_setup ctrl;
+ SANE_Status ret;
+ unsigned int next_pages;
+ uint8_t bulk_flags;
+ size_t next_portion;
+ struct bulk_read_state *bulk_read_state;
+ unsigned int bytes_until_buffer_end;
DBG (3, "%s\n", __func__);
@@ -665,7 +665,7 @@ hp5590_bulk_read (SANE_Int dn,
if (bulk_read_state->initialized == 0)
{
DBG (DBG_err, "%s: USB-in-USB: bulk read state not initialized\n",
- __func__);
+ __func__);
return SANE_STATUS_INVAL;
}
@@ -675,8 +675,8 @@ hp5590_bulk_read (SANE_Int dn,
if (size > bulk_read_state->buffer_size)
{
DBG (DBG_err, "Data requested won't fit in the bulk read buffer "
- "(requested: %u, buffer size: %u\n", size,
- bulk_read_state->buffer_size);
+ "(requested: %u, buffer size: %u\n", size,
+ bulk_read_state->buffer_size);
return SANE_STATUS_NO_MEM;
}
@@ -684,8 +684,8 @@ hp5590_bulk_read (SANE_Int dn,
while (bulk_read_state->bytes_available < size)
{
DBG (DBG_usb, "%s: USB-in-USB: not enough data in buffer available "
- "(available: %u, requested: %u)\n",
- __func__, bulk_read_state->bytes_available, size);
+ "(available: %u, requested: %u)\n",
+ __func__, bulk_read_state->bytes_available, size);
/* IMPORTANT! 'next_pages' means 'request and receive next_pages pages in
* one bulk transfer request '. Windows driver uses 4 pages between each
@@ -703,114 +703,114 @@ hp5590_bulk_read (SANE_Int dn,
*/
bulk_read_state->total_pages++;
DBG (DBG_usb, "%s: USB-in-USB: total pages done: %u\n",
- __func__, bulk_read_state->total_pages);
+ __func__, bulk_read_state->total_pages);
/* Send another bulk request for 'next_pages' before first
* page or next necessary one
*/
if ( bulk_read_state->total_pages == 1
- || bulk_read_state->total_pages % next_pages == 0)
- {
- /* Send bulk flags */
- DBG (DBG_usb, "%s: USB-in-USB: sending USB-in-USB bulk flags\n",
- __func__);
- bulk_flags = 0x24;
- ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
- 0x0c, 0x83, 0x00,
- sizeof (bulk_flags), &bulk_flags);
- if (ret != SANE_STATUS_GOOD)
- {
- DBG (DBG_err, "%s: USB-in-USB: error sending bulk flags\n",
- __func__);
- return ret;
- }
-
- /* USB-in-USB: checking confirmation for bulk flags\n" */
- ret = hp5590_get_ack (dn, proto_flags);
- if (ret != SANE_STATUS_GOOD)
- return ret;
-
- /* Prepare bulk read request */
- memset (&ctrl, 0, sizeof (ctrl));
- ctrl.bRequestType = 0x00;
- ctrl.bEndpoint = 0x82;
- ctrl.wLength = htons (next_pages);
-
- /* Send bulk read request */
- DBG (DBG_usb, "%s: USB-in-USB: sending control msg for bulk\n",
- __func__);
- ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
- 0x04, 0x82, 0x00,
- sizeof (ctrl),
- (unsigned char *) &ctrl);
- if (ret != SANE_STATUS_GOOD)
- {
- DBG (DBG_err, "%s: USB-in-USB: error sending control msg\n",
- __func__);
- return ret;
- }
-
- /* USB-in-USB: checking if control msg was accepted */
- ret = hp5590_get_ack (dn, proto_flags);
- if (ret != SANE_STATUS_GOOD)
- return ret;
- }
+ || bulk_read_state->total_pages % next_pages == 0)
+ {
+ /* Send bulk flags */
+ DBG (DBG_usb, "%s: USB-in-USB: sending USB-in-USB bulk flags\n",
+ __func__);
+ bulk_flags = 0x24;
+ ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
+ 0x0c, 0x83, 0x00,
+ sizeof (bulk_flags), &bulk_flags);
+ if (ret != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_err, "%s: USB-in-USB: error sending bulk flags\n",
+ __func__);
+ return ret;
+ }
+
+ /* USB-in-USB: checking confirmation for bulk flags\n" */
+ ret = hp5590_get_ack (dn, proto_flags);
+ if (ret != SANE_STATUS_GOOD)
+ return ret;
+
+ /* Prepare bulk read request */
+ memset (&ctrl, 0, sizeof (ctrl));
+ ctrl.bRequestType = 0x00;
+ ctrl.bEndpoint = 0x82;
+ ctrl.wLength = htons (next_pages);
+
+ /* Send bulk read request */
+ DBG (DBG_usb, "%s: USB-in-USB: sending control msg for bulk\n",
+ __func__);
+ ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
+ 0x04, 0x82, 0x00,
+ sizeof (ctrl),
+ (unsigned char *) &ctrl);
+ if (ret != SANE_STATUS_GOOD)
+ {
+ DBG (DBG_err, "%s: USB-in-USB: error sending control msg\n",
+ __func__);
+ return ret;
+ }
+
+ /* USB-in-USB: checking if control msg was accepted */
+ ret = hp5590_get_ack (dn, proto_flags);
+ if (ret != SANE_STATUS_GOOD)
+ return ret;
+ }
next_portion = BULK_READ_PAGE_SIZE;
/* Check if next page will fit into the buffer */
if (bulk_read_state->buffer_size
- - bulk_read_state->bytes_available < next_portion)
- {
- DBG (DBG_err, "%s: USB-in-USB: buffer too small\n", __func__);
- return SANE_STATUS_NO_MEM;
- }
+ - bulk_read_state->bytes_available < next_portion)
+ {
+ DBG (DBG_err, "%s: USB-in-USB: buffer too small\n", __func__);
+ return SANE_STATUS_NO_MEM;
+ }
/* Bulk read next page */
DBG (DBG_usb, "%s: USB-in-USB: bulk reading %lu bytes\n",
- __func__, (u_long) next_portion);
+ __func__, (u_long) next_portion);
ret = sanei_usb_read_bulk (dn,
- bulk_read_state->buffer_in_ptr,
- &next_portion);
+ bulk_read_state->buffer_in_ptr,
+ &next_portion);
if (ret != SANE_STATUS_GOOD)
- {
- if (ret == SANE_STATUS_EOF)
- return ret;
- DBG (DBG_err, "%s: USB-in-USB: error during bulk read: %s\n",
- __func__, sane_strstatus (ret));
- return ret;
- }
-
- /* Check if we received the same amount of data as requsted */
+ {
+ if (ret == SANE_STATUS_EOF)
+ return ret;
+ DBG (DBG_err, "%s: USB-in-USB: error during bulk read: %s\n",
+ __func__, sane_strstatus (ret));
+ return ret;
+ }
+
+ /* Check if we received the same amount of data as requested */
if (next_portion != BULK_READ_PAGE_SIZE)
- {
- DBG (DBG_err, "%s: USB-in-USB: incomplete bulk read "
- "(requested %u bytes, got %lu bytes)\n",
- __func__, BULK_READ_PAGE_SIZE, (u_long) next_portion);
- return SANE_STATUS_IO_ERROR;
- }
+ {
+ DBG (DBG_err, "%s: USB-in-USB: incomplete bulk read "
+ "(requested %u bytes, got %lu bytes)\n",
+ __func__, BULK_READ_PAGE_SIZE, (u_long) next_portion);
+ return SANE_STATUS_IO_ERROR;
+ }
/* Move pointers to the next position */
bulk_read_state->buffer_in_ptr += next_portion;
/* Check for the end of the buffer */
if (bulk_read_state->buffer_in_ptr > bulk_read_state->buffer_end_ptr)
- {
- DBG (DBG_err,
- "%s: USB-in-USB: attempted to access over the end of buffer "
- "(in_ptr: %p, end_ptr: %p, ptr: %p, buffer size: %u\n",
- __func__, bulk_read_state->buffer_in_ptr,
- bulk_read_state->buffer_end_ptr, bulk_read_state->buffer,
- bulk_read_state->buffer_size);
- return SANE_STATUS_NO_MEM;
- }
+ {
+ DBG (DBG_err,
+ "%s: USB-in-USB: attempted to access over the end of buffer "
+ "(in_ptr: %p, end_ptr: %p, ptr: %p, buffer size: %u\n",
+ __func__, bulk_read_state->buffer_in_ptr,
+ bulk_read_state->buffer_end_ptr, bulk_read_state->buffer,
+ bulk_read_state->buffer_size);
+ return SANE_STATUS_NO_MEM;
+ }
/* Check for buffer pointer wrapping */
if (bulk_read_state->buffer_in_ptr == bulk_read_state->buffer_end_ptr)
- {
- DBG (DBG_usb, "%s: USB-in-USB: buffer wrapped while writing\n",
- __func__);
- bulk_read_state->buffer_in_ptr = bulk_read_state->buffer;
- }
+ {
+ DBG (DBG_usb, "%s: USB-in-USB: buffer wrapped while writing\n",
+ __func__);
+ bulk_read_state->buffer_in_ptr = bulk_read_state->buffer;
+ }
/* Count the amount of data we read */
bulk_read_state->bytes_available += next_portion;
@@ -832,13 +832,13 @@ hp5590_bulk_read (SANE_Int dn,
bulk_read_state->buffer_out_ptr = bulk_read_state->buffer;
/* And second part (if any) */
if (bytes_until_buffer_end < size)
- {
- DBG (DBG_usb, "%s: USB-in-USB: giving 2nd buffer part\n", __func__);
- memcpy (bytes + bytes_until_buffer_end,
- bulk_read_state->buffer_out_ptr,
- size - bytes_until_buffer_end);
- bulk_read_state->buffer_out_ptr += size - bytes_until_buffer_end;
- }
+ {
+ DBG (DBG_usb, "%s: USB-in-USB: giving 2nd buffer part\n", __func__);
+ memcpy (bytes + bytes_until_buffer_end,
+ bulk_read_state->buffer_out_ptr,
+ size - bytes_until_buffer_end);
+ bulk_read_state->buffer_out_ptr += size - bytes_until_buffer_end;
+ }
}
else
{
@@ -846,11 +846,11 @@ hp5590_bulk_read (SANE_Int dn,
memcpy (bytes, bulk_read_state->buffer_out_ptr, size);
bulk_read_state->buffer_out_ptr += size;
if (bulk_read_state->buffer_out_ptr == bulk_read_state->buffer_end_ptr)
- {
- DBG (DBG_usb, "%s: USB-in-USB: buffer wrapped while reading\n",
- __func__);
- bulk_read_state->buffer_out_ptr = bulk_read_state->buffer;
- }
+ {
+ DBG (DBG_usb, "%s: USB-in-USB: buffer wrapped while reading\n",
+ __func__);
+ bulk_read_state->buffer_out_ptr = bulk_read_state->buffer;
+ }
}
/* Count the amount of data transferred to the caller */
@@ -870,17 +870,17 @@ hp5590_bulk_read (SANE_Int dn,
*
* Returns
* SANE_STATUS_GOOD - all data transferred successfully
- * all other SANE_Status value - otherwise
+ * all other SANE_Status value - otherwise
*/
static SANE_Status
hp5590_bulk_write (SANE_Int dn,
- enum proto_flags proto_flags,
- int cmd, unsigned char *bytes,
- unsigned int size)
+ enum proto_flags proto_flags,
+ int cmd, unsigned char *bytes,
+ unsigned int size)
{
- struct usb_in_usb_bulk_setup ctrl;
- SANE_Status ret;
- struct bulk_size bulk_size;
+ struct usb_in_usb_bulk_setup ctrl;
+ SANE_Status ret;
+ struct bulk_size bulk_size;
unsigned int len;
unsigned char *ptr;
@@ -891,7 +891,7 @@ hp5590_bulk_write (SANE_Int dn,
hp5590_low_assert (bytes != NULL);
- /* Prepare bulk write request */
+ /* Prepare bulk write request */
memset (&bulk_size, 0, sizeof (bulk_size));
/* Counted in page size */
bulk_size.size = size / BULK_WRITE_PAGE_SIZE;
@@ -900,11 +900,11 @@ hp5590_bulk_write (SANE_Int dn,
DBG (3, "%s: USB-in-USB: total %u pages (each of %u bytes)\n",
__func__, bulk_size.size, BULK_WRITE_PAGE_SIZE);
ret = hp5590_control_msg (dn,
- proto_flags,
- USB_DIR_OUT,
- 0x04, cmd, 0,
- (unsigned char *) &bulk_size, sizeof (bulk_size),
- CORE_DATA | CORE_BULK_OUT);
+ proto_flags,
+ USB_DIR_OUT,
+ 0x04, cmd, 0,
+ (unsigned char *) &bulk_size, sizeof (bulk_size),
+ CORE_DATA | CORE_BULK_OUT);
if (ret != SANE_STATUS_GOOD)
return ret;
@@ -916,10 +916,10 @@ hp5590_bulk_write (SANE_Int dn,
{
next_portion = BULK_WRITE_PAGE_SIZE;
if (len < next_portion)
- next_portion = len;
+ next_portion = len;
DBG (3, "%s: USB-in-USB: next portion %lu bytes\n",
- __func__, (u_long) next_portion);
+ __func__, (u_long) next_portion);
/* Prepare bulk write request */
memset (&ctrl, 0, sizeof (ctrl));
@@ -929,29 +929,29 @@ hp5590_bulk_write (SANE_Int dn,
/* Send bulk write request */
ret = sanei_usb_control_msg (dn, USB_DIR_OUT | USB_TYPE_VENDOR,
- 0x04, 0x82, 0,
- sizeof (ctrl), (unsigned char *) &ctrl);
+ 0x04, 0x82, 0,
+ sizeof (ctrl), (unsigned char *) &ctrl);
if (ret != SANE_STATUS_GOOD)
- return ret;
+ return ret;
/* USB-in-USB: checking if command was accepted */
ret = hp5590_get_ack (dn, proto_flags);
if (ret != SANE_STATUS_GOOD)
- return ret;
+ return ret;
/* Write bulk data */
DBG (3, "%s: USB-in-USB: bulk writing %lu bytes\n",
- __func__, (u_long) next_portion);
+ __func__, (u_long) next_portion);
ret = sanei_usb_write_bulk (dn, ptr, &next_portion);
if (ret != SANE_STATUS_GOOD)
- {
- /* Treast EOF as successful result */
- if (ret == SANE_STATUS_EOF)
- break;
- DBG (DBG_err, "%s: USB-in-USB: error during bulk write: %s\n",
- __func__, sane_strstatus (ret));
- return ret;
- }
+ {
+ /* Treast EOF as successful result */
+ if (ret == SANE_STATUS_EOF)
+ break;
+ DBG (DBG_err, "%s: USB-in-USB: error during bulk write: %s\n",
+ __func__, sane_strstatus (ret));
+ return ret;
+ }
/* Move to the next page */
len -= next_portion;