--- /dev/null
+/***************************************************************************
+ ftdi.h - description
+ -------------------
+ begin : Fri Apr 4 2003
+ copyright : (C) 2003 by Intra2net AG
+ email : opensource@intra2net.com
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU Lesser General Public License *
+ * version 2.1 as published by the Free Software Foundation; *
+ * *
+ ***************************************************************************/
+
+#ifndef __libftdi_h__
+#define __libftdi_h__
+
+#include <usb.h>
+
+enum ftdi_chip_type { TYPE_AM=0, TYPE_BM=1, TYPE_2232C=2 };
+enum ftdi_parity_type { NONE=0, ODD=1, EVEN=2, MARK=3, SPACE=4 };
+enum ftdi_stopbits_type { STOP_BIT_1=0, STOP_BIT_15=1, STOP_BIT_2=2 };
+enum ftdi_bits_type { BITS_7=7, BITS_8=8 };
+
+enum ftdi_mpsse_mode {
+ BITMODE_RESET = 0x00,
+ BITMODE_BITBANG= 0x01,
+ BITMODE_MPSSE = 0x02,
+ BITMODE_SYNCBB = 0x04,
+ BITMODE_MCU = 0x08,
+ BITMODE_OPTO = 0x10
+};
+
+/* Port interface code for FT2232C */
+enum ftdi_interface {
+ INTERFACE_ANY = 0,
+ INTERFACE_A = 1,
+ INTERFACE_B = 2
+};
+
+/* Shifting commands IN MPSSE Mode*/
+#define MPSSE_WRITE_NEG 0x01 /* Write TDI/DO on negative TCK/SK edge*/
+#define MPSSE_BITMODE 0x02 /* Write bits, not bytes */
+#define MPSSE_READ_NEG 0x04 /* Sample TDO/DI on negative TCK/SK edge */
+#define MPSSE_LSB 0x08 /* LSB first */
+#define MPSSE_DO_WRITE 0x10 /* Write TDI/DO */
+#define MPSSE_DO_READ 0x20 /* Read TDO/DI */
+#define MPSSE_WRITE_TMS 0x40 /* Write TMS/CS */
+
+/* FTDI MPSSE commands */
+#define SET_BITS_LOW 0x80
+/*BYTE DATA*/
+/*BYTE Direction*/
+#define SET_BITS_HIGH 0x82
+/*BYTE DATA*/
+/*BYTE Direction*/
+#define GET_BITS_LOW 0x81
+#define GET_BITS_HIGH 0x83
+#define LOOPBACK_START 0x84
+#define LOOPBACK_END 0x85
+#define TCK_DIVISOR 0x86
+/* Value Low */
+/* Value HIGH */ /*rate is 12000000/((1+value)*2) */
+#define DIV_VALUE(rate) (rate > 6000000)?0:((6000000/rate -1) > 0xffff)? 0xffff: (6000000/rate -1)
+
+/* Commands in MPSSE and Host Emulation Mode */
+#define SEND_IMMEDIATE 0x87
+#define WAIT_ON_HIGH 0x88
+#define WAIT_ON_LOW 0x89
+
+/* Commands in Host Emulation Mode */
+#define READ_SHORT 0x90
+/* Address_Low */
+#define READ_EXTENDED 0x91
+/* Address High */
+/* Address Low */
+#define WRITE_SHORT 0x92
+/* Address_Low */
+#define WRITE_EXTENDED 0x93
+/* Address High */
+/* Address Low */
+
+/* Definitions for flow control */
+/*
+ * Flow control code adapted from Linux kernel sources
+ * by Lorenz Moesenlechner (lorenz@hcilab.org) and
+ * Matthias Kranz (matthias@hcilab.org)
+ * */
+#define SIO_MODEM_CTRL 1 /* Set the modem control register */
+#define SIO_SET_FLOW_CTRL 2 /* Set flow control register */
+
+#define SIO_SET_FLOW_CTRL_REQUEST_TYPE 0x40
+#define SIO_SET_FLOW_CTRL_REQUEST SIO_SET_FLOW_CTRL
+
+#define SIO_DISABLE_FLOW_CTRL 0x0
+#define SIO_RTS_CTS_HS (0x1 << 8)
+#define SIO_DTR_DSR_HS (0x2 << 8)
+#define SIO_XON_XOFF_HS (0x4 << 8)
+
+#define SIO_SET_MODEM_CTRL_REQUEST_TYPE 0x40
+#define SIO_SET_MODEM_CTRL_REQUEST SIO_MODEM_CTRL
+
+#define SIO_SET_DTR_MASK 0x1
+#define SIO_SET_DTR_HIGH ( 1 | ( SIO_SET_DTR_MASK << 8))
+#define SIO_SET_DTR_LOW ( 0 | ( SIO_SET_DTR_MASK << 8))
+#define SIO_SET_RTS_MASK 0x2
+#define SIO_SET_RTS_HIGH ( 2 | ( SIO_SET_RTS_MASK << 8 ))
+#define SIO_SET_RTS_LOW ( 0 | ( SIO_SET_RTS_MASK << 8 ))
+
+#define SIO_RTS_CTS_HS (0x1 << 8)
+
+
+struct ftdi_context {
+ // USB specific
+ struct usb_dev_handle *usb_dev;
+ int usb_read_timeout;
+ int usb_write_timeout;
+
+ // FTDI specific
+ enum ftdi_chip_type type;
+ int baudrate;
+ unsigned char bitbang_enabled;
+ unsigned char *readbuffer;
+ unsigned int readbuffer_offset;
+ unsigned int readbuffer_remaining;
+ unsigned int readbuffer_chunksize;
+ unsigned int writebuffer_chunksize;
+
+ // FTDI FT2232C requirecments
+ int interface; // 0 or 1
+ int index; // 1 or 2
+ // Endpoints
+ int in_ep;
+ int out_ep; // 1 or 2
+
+ /* 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */
+ unsigned char bitbang_mode;
+
+ // misc
+ char *error_str;
+};
+
+struct ftdi_device_list {
+ struct ftdi_device_list *next;
+ struct usb_device *dev;
+};
+
+struct ftdi_eeprom {
+ int vendor_id;
+ int product_id;
+
+ int self_powered;
+ int remote_wakeup;
+ int BM_type_chip;
+
+ int in_is_isochronous;
+ int out_is_isochronous;
+ int suspend_pull_downs;
+
+ int use_serial;
+ int change_usb_version;
+ int usb_version;
+ int max_power;
+
+ char *manufacturer;
+ char *product;
+ char *serial;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+ int ftdi_init(struct ftdi_context *ftdi);
+ int ftdi_set_interface(struct ftdi_context *ftdi, enum ftdi_interface interface);
+
+ void ftdi_deinit(struct ftdi_context *ftdi);
+ void ftdi_set_usbdev (struct ftdi_context *ftdi, usb_dev_handle *usbdev);
+
+ int ftdi_usb_find_all(struct ftdi_context *ftdi, struct ftdi_device_list **devlist,
+ int vendor, int product);
+ void ftdi_list_free(struct ftdi_device_list **devlist);
+
+ int ftdi_usb_open(struct ftdi_context *ftdi, int vendor, int product);
+ int ftdi_usb_open_desc(struct ftdi_context *ftdi, int vendor, int product,
+ const char* description, const char* serial);
+ int ftdi_usb_open_dev(struct ftdi_context *ftdi, struct usb_device *dev);
+
+ int ftdi_usb_close(struct ftdi_context *ftdi);
+ int ftdi_usb_reset(struct ftdi_context *ftdi);
+ int ftdi_usb_purge_buffers(struct ftdi_context *ftdi);
+
+ int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate);
+ int ftdi_set_line_property(struct ftdi_context *ftdi, enum ftdi_bits_type bits,
+ enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity);
+
+ int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size);
+ int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize);
+ int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize);
+
+ int ftdi_write_data(struct ftdi_context *ftdi, unsigned char *buf, int size);
+ int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize);
+ int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize);
+
+ int ftdi_enable_bitbang(struct ftdi_context *ftdi, unsigned char bitmask);
+ int ftdi_disable_bitbang(struct ftdi_context *ftdi);
+ int ftdi_set_bitmode(struct ftdi_context *ftdi, unsigned char bitmask, unsigned char mode);
+ int ftdi_read_pins(struct ftdi_context *ftdi, unsigned char *pins);
+
+ int ftdi_set_latency_timer(struct ftdi_context *ftdi, unsigned char latency);
+ int ftdi_get_latency_timer(struct ftdi_context *ftdi, unsigned char *latency);
+
+ // init and build eeprom from ftdi_eeprom structure
+ void ftdi_eeprom_initdefaults(struct ftdi_eeprom *eeprom);
+ int ftdi_eeprom_build(struct ftdi_eeprom *eeprom, unsigned char *output);
+
+ // "eeprom" needs to be valid 128 byte eeprom (generated by the eeprom generator)
+ // the checksum of the eeprom is valided
+ int ftdi_read_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom);
+ int ftdi_write_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom);
+ int ftdi_erase_eeprom(struct ftdi_context *ftdi);
+
+ char *ftdi_get_error_string(struct ftdi_context *ftdi);
+
+ /*
+ * Flow control code adapted from Linux kernel sources
+ * by Lorenz Moesenlechner (lorenz@hcilab.org) and
+ * Matthias Kranz (matthias@hcilab.org)
+ * */
+
+ /**
+ * Set flowcontrol for ftdi chip
+ * \param ftdi device context of ftdi
+ * \param flowctrl flow control to use. should be
+ * SIO_DISABLE_FLOW_CTRL, SIO_RTS_CTS_HS, SIO_DTR_DSR_HS or SIO_XON_XOFF_HS
+ */
+ int ftdi_setflowctrl(struct ftdi_context *ftdi, int flowctrl);
+
+ /**
+ * Set dtr line
+ * \param ftdi device context of ftdi
+ * \param state state to set line to (1 or 0)
+ */
+ int ftdi_setdtr(struct ftdi_context *ftdi, int state);
+
+ /**
+ * Set rts line
+ * \param ftdi device context of ftdi
+ * \param state state to set line to (1 or 0)
+ */
+ int ftdi_setrts(struct ftdi_context *ftdi, int state);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __libftdi_h__ */