/***************************************************************************
- ftdi.cpp - C++ wraper for libftdi
+ ftdi.cpp - C++ wrapper for libftdi
-------------------
begin : Mon Oct 13 2008
- copyright : (C) 2008 by Marek Vavruša
+ copyright : (C) 2008-2020 by Marek Vavruša / libftdi developers
email : opensource@intra2net.com and marek@vavrusa.com
***************************************************************************/
/*
-Copyright (C) 2008 by Marek Vavruša
+Copyright (C) 2008-2017 by Marek Vavruša / libftdi developers
The software in this package is distributed under the GNU General
Public License version 2 (with a special exception described below).
This exception does not invalidate any other reasons why a work based
on this file might be covered by the GNU General Public License.
*/
+#include <libusb.h>
+#define _FTDI_DISABLE_DEPRECATED
#include "ftdi.hpp"
+#include "ftdi_i.h"
#include "ftdi.h"
namespace Ftdi
if (ret < 0)
return ret;
- return get_strings_and_reopen();
+ return get_strings_and_reopen(false,false,false);
}
int Context::open(int vendor, int product, const std::string& description, const std::string& serial, unsigned int index)
if (ret < 0)
return ret;
- return get_strings_and_reopen();
+ return get_strings_and_reopen(false,!description.empty(),!serial.empty());
}
int Context::open(const std::string& description)
if (ret < 0)
return ret;
- return get_strings_and_reopen();
+ return get_strings_and_reopen(false,true,false);
}
int Context::open(struct libusb_device *dev)
int Context::close()
{
d->open = false;
+ d->dev = 0;
return ftdi_usb_close(d->ftdi);
}
int Context::flush(int mask)
{
- int ret = 1;
+ int ret;
+
+ switch (mask & (Input | Output)) {
+ case Input:
+ ret = ftdi_usb_purge_rx_buffer(d->ftdi);
+ break;
- if (mask & Input)
- ret &= ftdi_usb_purge_rx_buffer(d->ftdi);
- if (mask & Output)
- ret &= ftdi_usb_purge_tx_buffer(d->ftdi);
+ case Output:
+ ret = ftdi_usb_purge_tx_buffer(d->ftdi);
+ break;
+
+ case Input | Output:
+ ret = ftdi_usb_purge_buffers(d->ftdi);
+ break;
+
+ default:
+ // Emulate behavior of previous version.
+ ret = 1;
+ break;
+ }
+
+ return ret;
+}
+
+int Context::tcflush(int mask)
+{
+ int ret;
+
+ switch (mask & (Input | Output)) {
+ case Input:
+ ret = ftdi_tciflush(d->ftdi);
+ break;
+
+ case Output:
+ ret = ftdi_tcoflush(d->ftdi);
+ break;
+
+ case Input | Output:
+ ret = ftdi_tcioflush(d->ftdi);
+ break;
+
+ default:
+ // Emulate behavior of previous version.
+ ret = 1;
+ break;
+ }
return ret;
}
return ftdi_set_line_property2(d->ftdi, bits, sbit, parity, break_type);
}
+int Context::get_usb_read_timeout() const
+{
+ return d->ftdi->usb_read_timeout;
+}
+
+void Context::set_usb_read_timeout(int usb_read_timeout)
+{
+ d->ftdi->usb_read_timeout = usb_read_timeout;
+}
+
+int Context::get_usb_write_timeout() const
+{
+ return d->ftdi->usb_write_timeout;
+}
+
+void Context::set_usb_write_timeout(int usb_write_timeout)
+{
+ d->ftdi->usb_write_timeout = usb_write_timeout;
+}
+
int Context::read(unsigned char *buf, int size)
{
return ftdi_read_data(d->ftdi, buf, size);
return chunk;
}
-int Context::write(unsigned char *buf, int size)
+int Context::write(const unsigned char *buf, int size)
{
return ftdi_write_data(d->ftdi, buf, size);
}
return ftdi_set_error_char(d->ftdi, errorch, enable);
}
-int Context::bitbang_enable(unsigned char bitmask)
-{
- return ftdi_set_bitmode(d->ftdi, bitmask, BITMODE_BITBANG);
-}
-
-int Context::bitbang_disable()
-{
- return ftdi_disable_bitbang(d->ftdi);
-}
-
int Context::set_bitmode(unsigned char bitmask, unsigned char mode)
{
return ftdi_set_bitmode(d->ftdi, bitmask, mode);
return ftdi_set_bitmode(d->ftdi, bitmask, mode);
}
+int Context::bitbang_disable()
+{
+ return ftdi_disable_bitbang(d->ftdi);
+}
+
int Context::read_pins(unsigned char *pins)
{
return ftdi_read_pins(d->ftdi, pins);
}
-char* Context::error_string()
+const char* Context::error_string()
{
return ftdi_get_error_string(d->ftdi);
}
-int Context::get_strings()
+int Context::get_strings(bool vendor, bool description, bool serial)
{
// Prepare buffers
- char vendor[512], desc[512], serial[512];
+ char ivendor[512], idesc[512], iserial[512];
- int ret = ftdi_usb_get_strings(d->ftdi, d->dev, vendor, 512, desc, 512, serial, 512);
+ int ret = ftdi_usb_get_strings(d->ftdi, d->dev, vendor?ivendor:NULL, 512, description?idesc:NULL, 512, serial?iserial:NULL, 512);
if (ret < 0)
return -1;
- d->vendor = vendor;
- d->description = desc;
- d->serial = serial;
+ d->vendor = ivendor;
+ d->description = idesc;
+ d->serial = iserial;
return 1;
}
-int Context::get_strings_and_reopen()
+int Context::get_strings_and_reopen(bool vendor, bool description, bool serial)
{
- // Get device strings (closes device)
- int ret=get_strings();
- if (ret < 0)
+ int ret = 0;
+
+ if(vendor || description || serial)
{
- d->open = 0;
- return ret;
- }
+ if (d->dev == 0)
+ {
+ d->dev = libusb_get_device(d->ftdi->usb_dev);
+ }
+
+ // Get device strings (closes device)
+ ret=get_strings(vendor, description, serial);
+ if (ret < 0)
+ {
+ d->open = 0;
+ return ret;
+ }
- // Reattach device
- ret = ftdi_usb_open_dev(d->ftdi, d->dev);
- d->open = (ret >= 0);
+ // Reattach device
+ ret = ftdi_usb_open_dev(d->ftdi, d->dev);
+ d->open = (ret >= 0);
+ }
return ret;
}
*/
const std::string& Context::vendor()
{
+ if(d->vendor.empty())
+ get_strings_and_reopen(true,false,false);
return d->vendor;
}
*/
const std::string& Context::description()
{
+ if(d->description.empty())
+ get_strings_and_reopen(false,true,false);
return d->description;
}
*/
const std::string& Context::serial()
{
+ if(d->serial.empty())
+ get_strings_and_reopen(false,false,true);
return d->serial;
}
{
}
-void Eeprom::init_defaults()
-{
- return ftdi_eeprom_initdefaults(d->context);
-}
-
-void Eeprom::set_size(int size)
-{
- return ftdi_eeprom_setsize(d->context, &d->eeprom, size);
-}
-
-int Eeprom::size(unsigned char *eeprom, int maxsize)
+int Eeprom::init_defaults(char* manufacturer, char *product, char * serial)
{
- return ftdi_read_eeprom_getsize(d->context, eeprom, maxsize);
+ return ftdi_eeprom_initdefaults(d->context, manufacturer, product, serial);
}
int Eeprom::chip_id(unsigned int *chipid)
int Eeprom::build(unsigned char *output)
{
- return ftdi_eeprom_build(d->context, output);
+ return ftdi_eeprom_build(d->context);
}
int Eeprom::read(unsigned char *eeprom)
{
- return ftdi_read_eeprom(d->context, eeprom);
+ return ftdi_read_eeprom(d->context);
}
int Eeprom::write(unsigned char *eeprom)
{
- return ftdi_write_eeprom(d->context, eeprom);
+ return ftdi_write_eeprom(d->context);
}
int Eeprom::read_location(int eeprom_addr, unsigned short *eeprom_val)
return d->list.erase(beg, end);
}
-List* List::find_all(int vendor, int product)
+List* List::find_all(Context &context, int vendor, int product)
{
struct ftdi_device_list* dlist = 0;
- struct ftdi_context ftdi;
- ftdi_init(&ftdi);
- ftdi_usb_find_all(&ftdi, &dlist, vendor, product);
- ftdi_deinit(&ftdi);
+ ftdi_usb_find_all(context.context(), &dlist, vendor, product);
return new List(dlist);
}