ftdi.h - description
-------------------
begin : Fri Apr 4 2003
- copyright : (C) 2003 by Intra2net AG
+ copyright : (C) 2003-2011 by Intra2net AG and the libftdi developers
email : opensource@intra2net.com
***************************************************************************/
#ifndef __libftdi_h__
#define __libftdi_h__
-#include <usb.h>
+#include <libusb.h>
-#define FTDI_DEFAULT_EEPROM_SIZE 128
+/* Even 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 };
+enum ftdi_chip_type { TYPE_AM=0, TYPE_BM=1, TYPE_2232C=2, TYPE_R=3, TYPE_2232H=4, TYPE_4232H=5, TYPE_232H=6 };
/** 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() */
/** MPSSE bitbang modes */
enum ftdi_mpsse_mode
{
- BITMODE_RESET = 0x00,
- BITMODE_BITBANG= 0x01,
- BITMODE_MPSSE = 0x02,
- BITMODE_SYNCBB = 0x04,
- BITMODE_MCU = 0x08,
- /* CPU-style fifo mode gets set via EEPROM */
- BITMODE_OPTO = 0x10,
- BITMODE_CBUS = 0x20
+ 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 */
+ BITMODE_FT1284 = 0x80, /**< FT1284 mode, available on 232H chips */
};
-/** Port interface for FT2232C */
+/** Port interface for chips with multiple interfaces */
enum ftdi_interface
{
INTERFACE_ANY = 0,
INTERFACE_D = 4
};
+/** Automatic loading / unloading of kernel modules */
+enum ftdi_module_detach_mode
+{
+ AUTO_DETACH_SIO_MODULE = 0,
+ DONT_DETACH_SIO_MODULE = 1
+};
+
/* 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 LOOPBACK_START 0x84
#define LOOPBACK_END 0x85
#define TCK_DIVISOR 0x86
+/* H Type specific commands */
+#define DIS_DIV_5 0x8a
+#define EN_DIV_5 0x8b
+#define EN_3_PHASE 0x8c
+#define DIS_3_PHASE 0x8d
+#define CLK_BITS 0x8e
+#define CLK_BYTES 0x8f
+#define CLK_WAIT_HIGH 0x94
+#define CLK_WAIT_LOW 0x95
+#define EN_ADAPTIVE 0x96
+#define DIS_ADAPTIVE 0x97
+#define CLK_BYTES_OR_HIGH 0x9c
+#define CLK_BYTES_OR_LOW 0x0d
+/*FT232H specific commands */
+#define DRIVE_OPEN_COLLECTOR 0x9e
/* 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)
#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 (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT)
-#define FTDI_DEVICE_IN_REQTYPE (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN)
+#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
(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;
+
+ /** Was the eeprom structure initialized for the actual
+ connected device? **/
+ int initialized_for_connected_device;
+
+ /** self powered */
+ int self_powered;
+ /** remote wakeup */
+ int remote_wakeup;
+
+ int is_not_pnp;
+
+ /* Suspend on DBUS7 Low */
+ int suspend_dbus7;
+
+ /** 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;
+ /** usb version */
+ int usb_version;
+ /** Use usb version on FT2232 devices*/
+ int use_usb_version;
+ /** maximum power */
+ int max_power;
+
+ /** manufacturer name */
+ char *manufacturer;
+ /** product name */
+ char *product;
+ /** serial number */
+ char *serial;
+
+ /* 2232D/H(/FT4432H?) specific */
+ /* Hardware type, 0 = RS232 Uart, 1 = 245 FIFO, 2 = CPU FIFO,
+ 4 = OPTO Isolate */
+ int channel_a_type;
+ int channel_b_type;
+ /* Driver Type, 1 = VCP */
+ int channel_a_driver;
+ int channel_b_driver;
+
+ /* Special function of FT232R/FT232H devices (and possibly others as well) */
+ /** CBUS pin function. See CBUS_xxx defines. */
+ int cbus_function[10];
+ /** Select hight current drive on R devices. */
+ int high_current;
+ /** Select hight current drive on A channel (2232C */
+ int high_current_a;
+ /** Select hight current drive on B channel (2232C). */
+ int high_current_b;
+ /** Select inversion of data lines (bitmask). */
+ int invert;
+
+ /*2232H/4432H Group specific values */
+ /* Group0 is AL on 2322H and A on 4232H
+ Group1 is AH on 2232H and B on 4232H
+ Group2 is BL on 2322H and C on 4232H
+ Group3 is BH on 2232H and C on 4232H*/
+ int group0_drive;
+ int group0_schmitt;
+ int group0_slew;
+ int group1_drive;
+ int group1_schmitt;
+ int group1_slew;
+ int group2_drive;
+ int group2_schmitt;
+ int group2_slew;
+ int group3_drive;
+ int group3_schmitt;
+ int group3_slew;
+
+ int powersave;
+
+ int clock_polarity;
+ int data_order;
+ int flow_control;
+
+ /** 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 0x46 for 93xx46, 0x56 for 93xx56 and 0x66 for 93xx66*/
+ int chip;
+ unsigned char buf[FTDI_MAX_EEPROM_SIZE];
+};
+
/**
\brief Main context structure for all libftdi functions.
struct ftdi_context
{
/* USB specific */
+ /** libusb's context */
+ struct libusb_context *usb_ctx;
/** libusb's usb_dev_handle */
- struct usb_dev_handle *usb_dev;
+ struct libusb_device_handle *usb_dev;
/** usb read timeout */
int usb_read_timeout;
/** usb write timeout */
unsigned int readbuffer_chunksize;
/** write buffer chunk size */
unsigned int writebuffer_chunksize;
+ /** 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 */
/** Bitbang mode. 1: (default) Normal bitbang mode, 2: FT2232C SPI bitbang mode */
unsigned char bitbang_mode;
- /** EEPROM size. Default is 128 bytes for 232BM and 245BM chips */
- int eeprom_size;
+ /** Decoded eeprom structure */
+ struct ftdi_eeprom *eeprom;
/** String representation of last error */
char *error_str;
- /** Buffer needed for async communication */
- char *async_usb_buffer;
- /** Number of URB-structures we can buffer */
- unsigned int async_usb_buffer_size;
+ /** Defines behavior in case a kernel module is already attached to the device */
+ enum ftdi_module_detach_mode module_detach_mode;
+};
+
+/**
+ List all handled EEPROM values.
+ Append future new values only at the end to provide API/ABI stability*/
+enum ftdi_eeprom_value
+{
+ VENDOR_ID = 0,
+ PRODUCT_ID = 1,
+ SELF_POWERED = 2,
+ REMOTE_WAKEUP = 3,
+ IS_NOT_PNP = 4,
+ SUSPEND_DBUS7 = 5,
+ IN_IS_ISOCHRONOUS = 6,
+ OUT_IS_ISOCHRONOUS = 7,
+ SUSPEND_PULL_DOWNS = 8,
+ USE_SERIAL = 9,
+ USB_VERSION = 10,
+ USE_USB_VERSION = 11,
+ MAX_POWER = 12,
+ CHANNEL_A_TYPE = 13,
+ CHANNEL_B_TYPE = 14,
+ CHANNEL_A_DRIVER = 15,
+ CHANNEL_B_DRIVER = 16,
+ CBUS_FUNCTION_0 = 17,
+ CBUS_FUNCTION_1 = 18,
+ CBUS_FUNCTION_2 = 19,
+ CBUS_FUNCTION_3 = 20,
+ CBUS_FUNCTION_4 = 21,
+ CBUS_FUNCTION_5 = 22,
+ CBUS_FUNCTION_6 = 23,
+ CBUS_FUNCTION_7 = 24,
+ CBUS_FUNCTION_8 = 25,
+ CBUS_FUNCTION_9 = 26,
+ HIGH_CURRENT = 27,
+ HIGH_CURRENT_A = 28,
+ HIGH_CURRENT_B = 29,
+ INVERT = 30,
+ GROUP0_DRIVE = 31,
+ GROUP0_SCHMITT = 32,
+ GROUP0_SLEW = 33,
+ GROUP1_DRIVE = 34,
+ GROUP1_SCHMITT = 35,
+ GROUP1_SLEW = 36,
+ GROUP2_DRIVE = 37,
+ GROUP2_SCHMITT = 38,
+ GROUP2_SLEW = 39,
+ GROUP3_DRIVE = 40,
+ GROUP3_SCHMITT = 41,
+ GROUP3_SLEW = 42,
+ CHIP_SIZE = 43,
+ CHIP_TYPE = 44,
+ POWER_SAVE = 45,
+ CLOCK_POLARITY = 46,
+ DATA_ORDER = 47,
+ FLOW_CONTROL = 48
};
/**
/** pointer to next entry */
struct ftdi_device_list *next;
/** pointer to libusb's usb_device */
- struct usb_device *dev;
+ struct libusb_device *dev;
};
+#define FT1284_CLK_IDLE_STATE 0x01
+#define FT1284_DATA_LSB 0x02 /* DS_FT232H 1.3 amd ftd2xx.h 1.0.4 disagree here*/
+#define FT1284_FLOW_CONTROL 0x04
+#define POWER_SAVE_DISABLE_H 0x80
+
+#define USE_SERIAL_NUM 0x08
+enum ftdi_cbus_func {/* FIXME: Recheck value, especially the last */
+ CBUS_TXDEN = 0, CBUS_PWREN = 1, CBUS_RXLED = 2, CBUS_TXLED = 3, CBUS_TXRXLED = 4,
+ CBUS_SLEEP = 5, CBUS_CLK48 = 6, CBUS_CLK24 = 7, CBUS_CLK12 = 8, CBUS_CLK6 = 9,
+ CBUS_IOMODE = 0xa, CBUS_BB_WR = 0xb, CBUS_BB_RD = 0xc, CBUS_BB = 0xd};
+
+enum ftdi_cbush_func {/* FIXME: Recheck value, especially the last */
+ CBUSH_TRISTATE = 0, CBUSH_RXLED = 1, CBUSH_TXLED = 2, CBUSH_TXRXLED = 3, CBUSH_PWREN = 4,
+ CBUSH_SLEEP = 5, CBUSH_DRIVE_0 = 6, CBUSG_DRIVE1 = 7, CBUSH_IOMODE = 8, CBUSH_TXDEN = 9,
+ CBUSH_CLK30 = 0xa, CBUSH_CLK15 = 0xb, CBUSH_CLK7_5 = 0xc};
+
+/** 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
+
+/** Interface Mode. */
+#define CHANNEL_IS_UART 0x0
+#define CHANNEL_IS_FIFO 0x1
+#define CHANNEL_IS_OPTO 0x2
+#define CHANNEL_IS_CPU 0x4
+#define CHANNEL_IS_FT1284 0x8
+
+#define DRIVE_4MA 0
+#define DRIVE_8MA 1
+#define DRIVE_12MA 2
+#define DRIVE_16MA 3
+#define SLOW_SLEW 4
+#define IS_SCHMITT 8
+
+/** Driver Type. */
+#define DRIVER_VCP 0x08
+#define DRIVER_VCPH 0x10 /* FT232H has moved the VCP bit */
+
+#define USE_USB_VERSION_BIT 0x10
+
+#define SUSPEND_DBUS7_BIT 0x80
+
+/** High current drive. */
+#define HIGH_CURRENT_DRIVE 0x10
+#define HIGH_CURRENT_DRIVE_R 0x04
/**
- \brief FTDI eeprom structure
+ \brief Progress Info for streaming read
*/
-struct ftdi_eeprom
+struct size_and_time
{
- /** vendor id */
- int vendor_id;
- /** product id */
- int product_id;
-
- /** self powered */
- int self_powered;
- /** remote wakeup */
- int remote_wakeup;
- /** chip type */
- int BM_type_chip;
-
- /** 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;
+ uint64_t totalBytes;
+ struct timeval time;
+};
- /** use serial */
- int use_serial;
- /** fake usb version */
- int change_usb_version;
- /** usb version */
- int usb_version;
- /** maximum power */
- int max_power;
+typedef struct
+{
+ struct size_and_time first;
+ struct size_and_time prev;
+ struct size_and_time current;
+ double totalTime;
+ double totalRate;
+ double currentRate;
+} FTDIProgressInfo;
- /** manufacturer name */
- char *manufacturer;
- /** product name */
- char *product;
- /** serial number */
- char *serial;
+typedef int (FTDIStreamCallback)(uint8_t *buffer, int length,
+ FTDIProgressInfo *progress, void *userdata);
- /** 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;
-};
#ifdef __cplusplus
extern "C"
void ftdi_deinit(struct ftdi_context *ftdi);
void ftdi_free(struct ftdi_context *ftdi);
- void ftdi_set_usbdev (struct ftdi_context *ftdi, usb_dev_handle *usbdev);
+ 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 usb_device *dev,
+ 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_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_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);
- int ftdi_enable_bitbang(struct ftdi_context *ftdi, unsigned char bitmask);
+ 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_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);
- /* set eeprom size */
- void ftdi_eeprom_setsize(struct ftdi_context *ftdi, struct ftdi_eeprom *eeprom, int size);
+ /* init eeprom for the given FTDI type */
+ int ftdi_eeprom_initdefaults(struct ftdi_context *ftdi,
+ char * manufacturer, char *product,
+ char * serial);
+ int ftdi_eeprom_build(struct ftdi_context *ftdi);
+ int ftdi_eeprom_decode(struct ftdi_context *ftdi, int verbose);
+
+ int ftdi_get_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int* value);
+ int ftdi_set_eeprom_value(struct ftdi_context *ftdi, enum ftdi_eeprom_value value_name, int value);
- /* 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_eeprom_decode(struct ftdi_eeprom *eeprom, unsigned char *output, int size);
+ int ftdi_get_eeprom_buf(struct ftdi_context *ftdi, unsigned char * buf, int size);
+ int ftdi_set_eeprom_buf(struct ftdi_context *ftdi, const unsigned char * buf, int size);
- /* "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_eeprom(struct ftdi_context *ftdi);
int ftdi_read_chipid(struct ftdi_context *ftdi, unsigned int *chipid);
- int ftdi_read_eeprom_getsize(struct ftdi_context *ftdi, unsigned char *eeprom, int maxsize);
- int ftdi_write_eeprom(struct ftdi_context *ftdi, unsigned char *eeprom);
+ int ftdi_write_eeprom(struct ftdi_context *ftdi);
int ftdi_erase_eeprom(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);
+
char *ftdi_get_error_string(struct ftdi_context *ftdi);
-
+
#ifdef __cplusplus
}
#endif