X-Git-Url: http://developer.intra2net.com/git/?p=libftdi;a=blobdiff_plain;f=src%2Fftdi.h;h=d42c8c2518263779249d9e749595e0b42061e3a2;hp=e7c226827b016e08acb09b2df8b5816884a86925;hb=38801bf8af278a43149862ab7a07128f8c4d5aab;hpb=50f4957a2f0124e4d35d0ff317bdc53762f89235 diff --git a/src/ftdi.h b/src/ftdi.h index e7c2268..d42c8c2 100644 --- a/src/ftdi.h +++ b/src/ftdi.h @@ -19,7 +19,8 @@ #include -#define FTDI_DEFAULT_EEPROM_SIZE 128 +/* 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 }; @@ -168,6 +169,92 @@ struct ftdi_transfer_control }; /** + \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; + + /* 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; + /** 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 devices (and possibly others as well) */ + /** CBUS pin function. See CBUS_xxx defines. */ + int cbus_function[5]; + /** 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; + + + /** 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. @@ -175,6 +262,8 @@ struct ftdi_transfer_control 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 */ @@ -215,8 +304,8 @@ struct ftdi_context /** 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; @@ -233,50 +322,50 @@ struct ftdi_device_list struct libusb_device *dev; }; -/** - \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; - /** 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; -}; +#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}; + +/** 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_245 0x1 +#define CHANNEL_IS_CPU 0x2 +#define CHANNEL_IS_OPTO 0x4 + +#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 SUSPEND_DBUS7 0x80 + +/** High current drive. */ +#define HIGH_CURRENT_DRIVE 0x10 +#define HIGH_CURRENT_DRIVE_R 0x04 /** \brief Progress Info for streaming read @@ -383,15 +472,15 @@ extern "C" 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_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); + 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_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_erase_eeprom(struct ftdi_context *ftdi);