#include <usb.h>
+/// FTDI chip type
enum ftdi_chip_type { TYPE_AM=0, TYPE_BM=1, TYPE_2232C=2 };
+/// 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 ftdi_set_line_property()
enum ftdi_bits_type { BITS_7=7, BITS_8=8 };
+/// MPSSE bitbang modes
enum ftdi_mpsse_mode {
BITMODE_RESET = 0x00,
BITMODE_BITBANG= 0x01,
BITMODE_OPTO = 0x10
};
-/* Port interface code for FT2232C */
+/// Port interface for FT2232C
enum ftdi_interface {
INTERFACE_ANY = 0,
INTERFACE_A = 1,
/* Address High */
/* Address Low */
+/* Definitions for flow control */
+#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_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_SET_RTS_MASK 0x2
+#define SIO_SET_RTS_HIGH ( 2 | ( SIO_SET_RTS_MASK << 8 ))
+#define SIO_SET_RTS_LOW ( 0 | ( SIO_SET_RTS_MASK << 8 ))
+
+#define SIO_RTS_CTS_HS (0x1 << 8)
+
+/**
+ Main context structure for all libftdi functions.
+
+ Do not access directly if possible.
+*/
struct ftdi_context {
// USB specific
+ /// libusb's usb_dev_handle
struct usb_dev_handle *usb_dev;
+ /// usb read timeout
int usb_read_timeout;
+ /// usb write timeout
int usb_write_timeout;
// 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
+ /// 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
- /* 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
+ /// String representation of last error
char *error_str;
};
+/**
+ Single linked list of usb devices created by ftdi_usb_find_all()
+*/
struct ftdi_device_list {
+ /// pointer to next entry
struct ftdi_device_list *next;
+ /// pointer to libusb's usb_device
struct usb_device *dev;
};
+/**
+ FTDI eeprom structure
+*/
struct ftdi_eeprom {
+ /// vendor id
int vendor_id;
+ /// product id
int product_id;
+ /// self powered
int self_powered;
+ /// remote wakepu
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;
};
void ftdi_deinit(struct ftdi_context *ftdi);
void ftdi_set_usbdev (struct ftdi_context *ftdi, usb_dev_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);
-
+
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_close(struct ftdi_context *ftdi);
int ftdi_usb_reset(struct ftdi_context *ftdi);
int ftdi_usb_purge_buffers(struct ftdi_context *ftdi);
char *ftdi_get_error_string(struct ftdi_context *ftdi);
+ // flow control
+ 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);
+
#ifdef __cplusplus
}
#endif
git://developer.intra2net.com / libftdi / blobdiff