#ifndef __libftdi_h__
#define __libftdi_h__
-#include <usb.h>
+#include <libusb.h>
-enum ftdi_chip_type { TYPE_AM=0, TYPE_BM=1, TYPE_2232C=2 };
+/* Evne on 93xx66 at max 256 bytes are used (AN_121)*/
+#define FTDI_MAX_EEPROM_SIZE 256
+
+/** FTDI chip type */
+enum ftdi_chip_type { TYPE_AM=0, TYPE_BM=1, TYPE_2232C=2, TYPE_R=3, TYPE_2232H=4, TYPE_4232H=5 };
+/** Parity mode for ftdi_set_line_property() */
enum ftdi_parity_type { NONE=0, ODD=1, EVEN=2, MARK=3, SPACE=4 };
+/** Number of stop bits for ftdi_set_line_property() */
enum ftdi_stopbits_type { STOP_BIT_1=0, STOP_BIT_15=1, STOP_BIT_2=2 };
+/** Number of bits for ftdi_set_line_property() */
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
+/** Break type for ftdi_set_line_property2() */
+enum ftdi_break_type { BREAK_OFF=0, BREAK_ON=1 };
+
+/** MPSSE bitbang modes */
+enum ftdi_mpsse_mode
+{
+ BITMODE_RESET = 0x00, /**< switch off bitbang mode, back to regular serial/FIFO */
+ BITMODE_BITBANG= 0x01, /**< classical asynchronous bitbang mode, introduced with B-type chips */
+ BITMODE_MPSSE = 0x02, /**< MPSSE mode, available on 2232x chips */
+ BITMODE_SYNCBB = 0x04, /**< synchronous bitbang mode, available on 2232x and R-type chips */
+ BITMODE_MCU = 0x08, /**< MCU Host Bus Emulation mode, available on 2232x chips */
+ /* CPU-style fifo mode gets set via EEPROM */
+ BITMODE_OPTO = 0x10, /**< Fast Opto-Isolated Serial Interface Mode, available on 2232x chips */
+ BITMODE_CBUS = 0x20, /**< Bitbang on CBUS pins of R-type chips, configure in EEPROM before */
+ BITMODE_SYNCFF = 0x40, /**< Single Channel Synchronous FIFO mode, available on 2232H chips */
};
-/* Port interface code for FT2232C */
-enum ftdi_interface {
+/** Port interface for chips with multiple interfaces */
+enum ftdi_interface
+{
INTERFACE_ANY = 0,
INTERFACE_A = 1,
- INTERFACE_B = 2
+ INTERFACE_B = 2,
+ INTERFACE_C = 3,
+ INTERFACE_D = 4
};
/* Shifting commands IN MPSSE Mode*/
#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 SEND_IMMEDIATE 0x87
#define WAIT_ON_HIGH 0x88
#define WAIT_ON_LOW 0x89
/* 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_RESET 0 /* Reset the port */
#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_SET_BAUD_RATE 3 /* Set baud rate */
+#define SIO_SET_DATA 4 /* Set the data characteristics of the port */
+
+#define FTDI_DEVICE_OUT_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_OUT)
+#define FTDI_DEVICE_IN_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE | LIBUSB_ENDPOINT_IN)
+
+/* Requests */
+#define SIO_RESET_REQUEST SIO_RESET
+#define SIO_SET_BAUDRATE_REQUEST SIO_SET_BAUD_RATE
+#define SIO_SET_DATA_REQUEST SIO_SET_DATA
+#define SIO_SET_FLOW_CTRL_REQUEST SIO_SET_FLOW_CTRL
+#define SIO_SET_MODEM_CTRL_REQUEST SIO_MODEM_CTRL
+#define SIO_POLL_MODEM_STATUS_REQUEST 0x05
+#define SIO_SET_EVENT_CHAR_REQUEST 0x06
+#define SIO_SET_ERROR_CHAR_REQUEST 0x07
+#define SIO_SET_LATENCY_TIMER_REQUEST 0x09
+#define SIO_GET_LATENCY_TIMER_REQUEST 0x0A
+#define SIO_SET_BITMODE_REQUEST 0x0B
+#define SIO_READ_PINS_REQUEST 0x0C
+#define SIO_READ_EEPROM_REQUEST 0x90
+#define SIO_WRITE_EEPROM_REQUEST 0x91
+#define SIO_ERASE_EEPROM_REQUEST 0x92
+
+
+#define SIO_RESET_SIO 0
+#define SIO_RESET_PURGE_RX 1
+#define SIO_RESET_PURGE_TX 2
+
+#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_RTS_CTS_HS (0x1 << 8)
+/* marker for unused usb urb structures
+ (taken from libusb) */
+#define FTDI_URB_USERCONTEXT_COOKIE ((void *)0x1)
+
+#ifdef __GNUC__
+ #define DEPRECATED(func) func __attribute__ ((deprecated))
+#elif defined(_MSC_VER)
+ #define DEPRECATED(func) __declspec(deprecated) func
+#else
+ #pragma message("WARNING: You need to implement DEPRECATED for this compiler")
+ #define DEPRECATED(func) func
+#endif
+
+struct ftdi_transfer_control
+{
+ int completed;
+ unsigned char *buf;
+ int size;
+ int offset;
+ struct ftdi_context *ftdi;
+ struct libusb_transfer *transfer;
+};
+
+/**
+ \brief FTDI eeprom structure
+*/
+struct ftdi_eeprom
+{
+ /** vendor id */
+ int vendor_id;
+ /** product id */
+ int product_id;
+
+ /** self powered */
+ int self_powered;
+ /** remote wakeup */
+ int remote_wakeup;
+ /** release */
+ int release;
-struct ftdi_context {
- // USB specific
- struct usb_dev_handle *usb_dev;
+ /** input in isochronous transfer mode */
+ int in_is_isochronous;
+ /** output in isochronous transfer mode */
+ int out_is_isochronous;
+ /** suspend pull downs */
+ int suspend_pull_downs;
+
+ /** use serial */
+ int use_serial;
+ /** fake usb version */
+ int change_usb_version;
+ /** usb version */
+ int usb_version;
+ /** maximum power */
+ int max_power;
+
+ /** manufacturer name */
+ char *manufacturer;
+ /** product name */
+ char *product;
+ /** serial number */
+ char *serial;
+
+ /* Special function of FT232R devices (and possibly others as well) */
+ /** CBUS pin function. See CBUS_xxx defines. */
+ int cbus_function[5];
+ /** Select hight current drive. */
+ int high_current;
+ /** Select inversion of data lines (bitmask). */
+ int invert;
+
+ /** eeprom size in bytes. This doesn't get stored in the eeprom
+ but is the only way to pass it to ftdi_eeprom_build. */
+ int size;
+ /* EEPROM Type 46 for 93xx46, 56 for 93xx56 and 66 for 93xx66*/
+ int chip;
+};
+
+/**
+ \brief Main context structure for all libftdi functions.
+
+ Do not access directly if possible.
+*/
+struct ftdi_context
+{
+ /* USB specific */
+ /** libusb's context */
+ struct libusb_context *usb_ctx;
+ /** libusb's usb_dev_handle */
+ struct libusb_device_handle *usb_dev;
+ /** usb read timeout */
int usb_read_timeout;
+ /** usb write timeout */
int usb_write_timeout;
- // FTDI specific
+ /* FTDI specific */
+ /** FTDI chip type */
enum ftdi_chip_type type;
+ /** baudrate */
int baudrate;
+ /** bitbang mode state */
unsigned char bitbang_enabled;
+ /** pointer to read buffer for ftdi_read_data */
unsigned char *readbuffer;
+ /** read buffer offset */
unsigned int readbuffer_offset;
+ /** number of remaining data in internal read buffer */
unsigned int readbuffer_remaining;
+ /** read buffer chunk size */
unsigned int readbuffer_chunksize;
+ /** write buffer chunk size */
unsigned int writebuffer_chunksize;
-
- // FTDI FT2232C requirecments
- int interface; // 0 or 1
- int index; // 1 or 2
- // Endpoints
+ /** maximum packet size. Needed for filtering modem status bytes every n packets. */
+ unsigned int max_packet_size;
+
+ /* FTDI FT2232C requirecments */
+ /** FT2232C interface number: 0 or 1 */
+ int interface; /* 0 or 1 */
+ /** FT2232C index number: 1 or 2 */
+ int index; /* 1 or 2 */
+ /* Endpoints */
+ /** FT2232C end points: 1 or 2 */
int in_ep;
- int out_ep; // 1 or 2
+ int out_ep; /* 1 or 2 */
- /* 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */
+ /** Bitbang mode. 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */
unsigned char bitbang_mode;
- // misc
+ /** Decoded eeprom structure */
+ struct ftdi_eeprom *eeprom;
+
+ /** String representation of last error */
char *error_str;
};
-struct ftdi_device_list {
+/**
+ \brief list of usb devices created by ftdi_usb_find_all()
+*/
+struct ftdi_device_list
+{
+ /** pointer to next entry */
struct ftdi_device_list *next;
- struct usb_device *dev;
+ /** pointer to libusb's usb_device */
+ struct libusb_device *dev;
};
-struct ftdi_eeprom {
- int vendor_id;
- int product_id;
+/** TXDEN */
+#define CBUS_TXDEN 0
+/** PWREN# */
+#define CBUS_PWREN 1
+/** RXLED# */
+#define CBUS_RXLED 2
+/** TXLED#*/
+#define CBUS_TXLED 3
+/** RXLED# & TXLED# */
+#define CBUS_TXRXLED 4
+/** SLEEP# */
+#define CBUS_SLEEP 5
+/** 48 MHz clock */
+#define CBUS_CLK48 6
+/** 24 MHz clock */
+#define CBUS_CLK24 7
+/** 12 MHz clock */
+#define CBUS_CLK12 8
+/** 6 MHz clock */
+#define CBUS_CLK6 9
+/** Bitbang IO Mode*/
+#define CBUS_IOMODE 10
+/** Bitbang IO WR#*/
+#define CBUS_BB_WR 11
+/** Bitbang IO RD#*/
+#define CBUS_BB_RD 12
+
+
+/** Invert TXD# */
+#define INVERT_TXD 0x01
+/** Invert RXD# */
+#define INVERT_RXD 0x02
+/** Invert RTS# */
+#define INVERT_RTS 0x04
+/** Invert CTS# */
+#define INVERT_CTS 0x08
+/** Invert DTR# */
+#define INVERT_DTR 0x10
+/** Invert DSR# */
+#define INVERT_DSR 0x20
+/** Invert DCD# */
+#define INVERT_DCD 0x40
+/** Invert RI# */
+#define INVERT_RI 0x80
+
+/** High current drive. */
+#define HIGH_CURRENT_DRIVE 0x04
+
+/**
+ \brief Progress Info for streaming read
+*/
+struct size_and_time
+{
+ uint64_t totalBytes;
+ struct timeval time;
+};
- int self_powered;
- int remote_wakeup;
- int BM_type_chip;
+typedef struct
+{
+ struct size_and_time first;
+ struct size_and_time prev;
+ struct size_and_time current;
+ double totalTime;
+ double totalRate;
+ double currentRate;
+} FTDIProgressInfo;
- int in_is_isochronous;
- int out_is_isochronous;
- int suspend_pull_downs;
+typedef int (FTDIStreamCallback)(uint8_t *buffer, int length,
+ FTDIProgressInfo *progress, void *userdata);
- int use_serial;
- int change_usb_version;
- int usb_version;
- int max_power;
-
- char *manufacturer;
- char *product;
- char *serial;
-};
#ifdef __cplusplus
-extern "C" {
+extern "C"
+{
#endif
int ftdi_init(struct ftdi_context *ftdi);
+ struct ftdi_context *ftdi_new(void);
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);
+ void ftdi_free(struct ftdi_context *ftdi);
+ void ftdi_set_usbdev (struct ftdi_context *ftdi, struct libusb_device_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);
+ void ftdi_list_free2(struct ftdi_device_list *devlist);
+ int ftdi_usb_get_strings(struct ftdi_context *ftdi, struct libusb_device *dev,
+ char * manufacturer, int mnf_len,
+ char * description, int desc_len,
+ char * serial, int serial_len);
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_open_desc_index(struct ftdi_context *ftdi, int vendor, int product,
+ const char* description, const char* serial, unsigned int index);
+ int ftdi_usb_open_dev(struct ftdi_context *ftdi, struct libusb_device *dev);
+ int ftdi_usb_open_string(struct ftdi_context *ftdi, const char* description);
int ftdi_usb_close(struct ftdi_context *ftdi);
int ftdi_usb_reset(struct ftdi_context *ftdi);
+ int ftdi_usb_purge_rx_buffer(struct ftdi_context *ftdi);
+ int ftdi_usb_purge_tx_buffer(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_set_line_property2(struct ftdi_context *ftdi, enum ftdi_bits_type bits,
+ enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity,
+ enum ftdi_break_type break_type);
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_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_readstream(struct ftdi_context *ftdi, FTDIStreamCallback *callback,
+ void *userdata, int packetsPerTransfer, int numTransfers);
+ int ftdi_write_data_async(struct ftdi_context *ftdi, unsigned char *buf, int size);
+ void ftdi_async_complete(struct ftdi_context *ftdi, int wait_for_more);
+
+ struct ftdi_transfer_control *ftdi_read_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size);
+ int ftdi_transfer_data_done(struct ftdi_transfer_control *tc);
+
+ int DEPRECATED(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);
+ int ftdi_poll_modem_status(struct ftdi_context *ftdi, unsigned short *status);
+
+ /* flow control */
+ int ftdi_setflowctrl(struct ftdi_context *ftdi, int flowctrl);
+ int ftdi_setdtr_rts(struct ftdi_context *ftdi, int dtr, int rts);
+ int ftdi_setdtr(struct ftdi_context *ftdi, int state);
+ int ftdi_setrts(struct ftdi_context *ftdi, int state);
+
+ int ftdi_set_event_char(struct ftdi_context *ftdi, unsigned char eventch, unsigned char enable);
+ int ftdi_set_error_char(struct ftdi_context *ftdi, unsigned char errorch, unsigned char enable);
- // "eeprom" needs to be valid 128 byte eeprom (generated by the eeprom generator)
- // the checksum of the eeprom is valided
+ /* set eeprom size */
+ void ftdi_eeprom_setsize(struct ftdi_context *ftdi, struct ftdi_eeprom *eeprom, int size);
+
+ /* init and build eeprom from ftdi_eeprom structure */
+ void ftdi_eeprom_initdefaults(struct ftdi_context *ftdi);
+ void ftdi_eeprom_free(struct ftdi_context *ftdi);
+ int ftdi_eeprom_build(struct ftdi_context *ftdi, unsigned char *output);
+ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *output, int size, int verbose);
+
+ /* "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_read_chipid(struct ftdi_context *ftdi, unsigned int *chipid);
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);
+ int ftdi_read_eeprom_location (struct ftdi_context *ftdi, int eeprom_addr, unsigned short *eeprom_val);
+ int ftdi_write_eeprom_location(struct ftdi_context *ftdi, int eeprom_addr, unsigned short eeprom_val);
- /*
- * Flow control code adapted from Linux kernel sources
- * by Lorenz Moesenlechner (lorenz@hcilab.org) and
- * Matthias Kranz (matthias@hcilab.org)
- * */
- int ftdi_setflowctrl(struct ftdi_context *ftdi, int flowctrl);
- int ftdi_setdtr(struct ftdi_context *ftdi, int state);
- int ftdi_setrts(struct ftdi_context *ftdi, int state);
+ char *ftdi_get_error_string(struct ftdi_context *ftdi);
#ifdef __cplusplus
}