ftdi.h - description
-------------------
begin : Fri Apr 4 2003
- copyright : (C) 2003 by Intra2net AG
+ copyright : (C) 2003-2013 by Intra2net AG and the libftdi developers
email : opensource@intra2net.com
***************************************************************************/
#ifndef __libftdi_h__
#define __libftdi_h__
-#include <usb.h>
-
-#define FTDI_DEFAULT_EEPROM_SIZE 128
+#include <stdint.h>
+#include <sys/time.h>
/** FTDI chip type */
-enum ftdi_chip_type { TYPE_AM=0, TYPE_BM=1, TYPE_2232C=2, TYPE_R=3 };
+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_A = 1,
- INTERFACE_B = 2
+ INTERFACE_B = 2,
+ INTERFACE_C = 3,
+ 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 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 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,
+ CHANNEL_C_DRIVER = 49,
+ CHANNEL_D_DRIVER = 50,
+ CHANNEL_A_RS485 = 51,
+ CHANNEL_B_RS485 = 52,
+ CHANNEL_C_RS485 = 53,
+ CHANNEL_D_RS485 = 54,
};
/**
/** 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 CHANNEL_IS_RS485 0x10
+
+#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;
-
- /** 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;
-
- /** 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;
+ uint64_t totalBytes;
+ struct timeval time;
};
+typedef struct
+{
+ struct size_and_time first;
+ struct size_and_time prev;
+ struct size_and_time current;
+ double totalTime;
+ double totalRate;
+ double currentRate;
+} FTDIProgressInfo;
+
+typedef int (FTDIStreamCallback)(uint8_t *buffer, int length,
+ FTDIProgressInfo *progress, void *userdata);
+
+/**
+ * Provide libftdi version information
+ * major: Library major version
+ * minor: Library minor version
+ * micro: Currently unused, ight get used for hotfixes.
+ * version_str: Version as (static) string
+ * snapshot_str: Git snapshot version if known. Otherwise "unknown" or empty string.
+*/
+struct ftdi_version_info
+{
+ int major;
+ int minor;
+ int micro;
+ const char *version_str;
+ const char *snapshot_str;
+};
+
+
#ifdef __cplusplus
extern "C"
{
#endif
int ftdi_init(struct ftdi_context *ftdi);
- struct ftdi_context *ftdi_new();
+ 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_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);
+
+ struct ftdi_version_info ftdi_get_library_version();
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_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_readstream(struct ftdi_context *ftdi, FTDIStreamCallback *callback,
+ void *userdata, int packetsPerTransfer, int numTransfers);
+ struct ftdi_transfer_control *ftdi_write_data_submit(struct ftdi_context *ftdi, unsigned char *buf, int size);
+
+ 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 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_disable_bitbang(struct ftdi_context *ftdi);
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_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);
- /* 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_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);
- /* "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_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);
+
+ 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