X-Git-Url: http://developer.intra2net.com/git/?p=libftdi;a=blobdiff_plain;f=src%2Fftdi.h;h=1040e2e76b98e551487c980ea8a03286b6b55fc1;hp=5fc20a62802c45c66bfc2fdb82558ef6afc77894;hb=9bec2387b04ac85385ff019fa1a4cf7bbe9491cf;hpb=0ce2f5faf4adb83fa0544fdc98d8b7d45e7f9ac2 diff --git a/src/ftdi.h b/src/ftdi.h index 5fc20a6..1040e2e 100644 --- a/src/ftdi.h +++ b/src/ftdi.h @@ -19,7 +19,16 @@ #include +/// 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, @@ -29,7 +38,7 @@ enum ftdi_mpsse_mode { BITMODE_OPTO = 0x10 }; -/* Port interface code for FT2232C */ +/// Port interface for FT2232C enum ftdi_interface { INTERFACE_ANY = 0, INTERFACE_A = 1, @@ -78,55 +87,126 @@ enum ftdi_interface { /* 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; }; @@ -139,14 +219,23 @@ extern "C" { 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); int ftdi_set_baudrate(struct ftdi_context *ftdi, int baudrate); + int ftdi_set_line_property(struct ftdi_context *ftdi, enum ftdi_bits_type bits, + enum ftdi_stopbits_type sbit, enum ftdi_parity_type parity); int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size); int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize); @@ -176,6 +265,11 @@ extern "C" { 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