#include <libusb.h>
-#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 };
};
/**
+ \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;
+
+ /* 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.
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 */
/** 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;
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 = 10, CBUS_BB_WR = 11, CBUS_BB_RD = 12, CBUS_BB_RXF = 13, CBUS_BB_TXE = 14};
+
+/** 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
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);