3 static const int USRP_HASH_SIZE = 16;
5 enum usrp_load_status_t { ULS_ERROR = 0, ULS_OK, ULS_ALREADY_LOADED };
8 * \brief initialize libusb; probe busses and devices.
9 * If new_context is set to true, initiate and returns new libusb_context.
10 * If new_context is set to false, intiate default context if not already
11 * initiated and return NULL. It is NOT safe to call more than once with
12 * new_context set to true since a new context is initiated each time.
15 void usrp_one_time_init (libusb_context **ctx = NULL);
18 * force a rescan of the buses and devices
23 * \brief locate Nth (zero based) USRP device in system.
24 * Return pointer or 0 if not found.
26 * The following kinds of devices are considered USRPs:
28 * unconfigured USRP (no firwmare loaded)
29 * configured USRP (firmware loaded)
30 * unconfigured Cypress FX2 (only if fx2_ok_p is true)
32 libusb_device *usrp_find_device (int nth, bool fx2_ok_p = false, libusb_context *ctx = NULL);
34 bool usrp_usrp_p (libusb_device *q); //< is this a USRP
35 bool usrp_usrp0_p (libusb_device *q); //< is this a USRP Rev 0
36 bool usrp_usrp1_p (libusb_device *q); //< is this a USRP Rev 1
37 bool usrp_usrp2_p (libusb_device *q); //< is this a USRP Rev 2
38 int usrp_hw_rev (libusb_device *q); //< return h/w rev code
40 bool usrp_fx2_p (libusb_device *q); //< is this an unconfigured Cypress FX2
42 bool usrp_unconfigured_usrp_p (libusb_device *q); //< some kind of unconfigured USRP
43 bool usrp_configured_usrp_p (libusb_device *q); //< some kind of configured USRP
46 * \brief given a libusb_device return an instance of the appropriate libusb_device_handle
48 * These routines claim the specified interface and select the
49 * correct alternate interface. (USB nomenclature is totally screwed!)
51 * If interface can't be opened, or is already claimed by some other
52 * process, 0 is returned.
54 libusb_device_handle *usrp_open_cmd_interface (libusb_device *dev);
55 libusb_device_handle *usrp_open_rx_interface (libusb_device *dev);
56 libusb_device_handle *usrp_open_tx_interface (libusb_device *dev);
59 * \brief close interface.
61 bool usrp_close_interface (libusb_device_handle *udh);
64 * \brief load intel hex format file into USRP/Cypress FX2 (8051).
66 * The filename extension is typically *.ihx
68 * Note that loading firmware may cause the device to renumerate. I.e.,
69 * change its configuration, invalidating the current device handle.
73 usrp_load_firmware (libusb_device_handle *udh, const char *filename, bool force);
76 * \brief load intel hex format file into USRP FX2 (8051).
78 * The filename extension is typically *.ihx
80 * Note that loading firmware may cause the device to renumerate. I.e.,
81 * change its configuration, invalidating the current device handle.
82 * If the result is ULS_OK, usrp_load_firmware_nth delays 1 second
83 * then rescans the busses and devices.
86 usrp_load_firmware_nth (int nth, const char *filename, bool force, libusb_context *ctx = NULL);
89 * \brief load fpga configuration bitstream
92 usrp_load_fpga (libusb_device_handle *udh, const char *filename, bool force);
95 * \brief load the regular firmware and fpga bitstream in the Nth USRP.
97 * This is the normal starting point...
99 bool usrp_load_standard_bits (int nth, bool force,
100 const std::string fpga_filename = "",
101 const std::string firmware_filename = "",
102 libusb_context *ctx = NULL);
105 * \brief copy the given \p hash into the USRP hash slot \p which.
106 * The usrp implements two hash slots, 0 and 1.
108 bool usrp_set_hash (libusb_device_handle *udh, int which,
109 const unsigned char hash[USRP_HASH_SIZE]);
112 * \brief retrieve the \p hash from the USRP hash slot \p which.
113 * The usrp implements two hash slots, 0 and 1.
115 bool usrp_get_hash (libusb_device_handle *udh, int which,
116 unsigned char hash[USRP_HASH_SIZE]);
118 bool usrp_write_fpga_reg (libusb_device_handle *udh, int reg, int value);
119 bool usrp_read_fpga_reg (libusb_device_handle *udh, int reg, int *value);
120 bool usrp_set_fpga_reset (libusb_device_handle *udh, bool on);
121 bool usrp_set_fpga_tx_enable (libusb_device_handle *udh, bool on);
122 bool usrp_set_fpga_rx_enable (libusb_device_handle *udh, bool on);
123 bool usrp_set_fpga_tx_reset (libusb_device_handle *udh, bool on);
124 bool usrp_set_fpga_rx_reset (libusb_device_handle *udh, bool on);
125 bool usrp_set_led (libusb_device_handle *udh, int which, bool on);
127 bool usrp_check_rx_overrun (libusb_device_handle *udh, bool *overrun_p);
128 bool usrp_check_tx_underrun (libusb_device_handle *udh, bool *underrun_p);
130 // i2c_read and i2c_write are limited to a maximum len of 64 bytes.
132 bool usrp_i2c_write (libusb_device_handle *udh, int i2c_addr,
133 const void *buf, int len);
135 bool usrp_i2c_read (libusb_device_handle *udh, int i2c_addr,
138 // spi_read and spi_write are limited to a maximum of 64 bytes
139 // See usrp_spi_defs.h for more info
141 bool usrp_spi_write (libusb_device_handle *udh,
142 int optional_header, int enables, int format,
143 const void *buf, int len);
145 bool usrp_spi_read (libusb_device_handle *udh,
146 int optional_header, int enables, int format,
150 bool usrp_9862_write (libusb_device_handle *udh,
151 int which_codec, // [0, 1]
152 int regno, // [0, 63]
153 int value); // [0, 255]
155 bool usrp_9862_read (libusb_device_handle *udh,
156 int which_codec, // [0, 1]
157 int regno, // [0, 63]
158 unsigned char *value); // [0, 255]
161 * \brief Write multiple 9862 regs at once.
163 * \p buf contains alternating register_number, register_value pairs.
164 * \p len must be even and is the length of buf in bytes.
166 bool usrp_9862_write_many (libusb_device_handle *udh, int which_codec,
167 const unsigned char *buf, int len);
171 * \brief write specified regs to all 9862's in the system
173 bool usrp_9862_write_many_all (libusb_device_handle *udh,
174 const unsigned char *buf, int len);
177 // Write 24LC024 / 24LC025 EEPROM on motherboard or daughterboard.
178 // Which EEPROM is determined by i2c_addr. See i2c_addr.h
180 bool usrp_eeprom_write (libusb_device_handle *udh, int i2c_addr,
181 int eeprom_offset, const void *buf, int len);
184 // Read 24LC024 / 24LC025 EEPROM on motherboard or daughterboard.
185 // Which EEPROM is determined by i2c_addr. See i2c_addr.h
187 bool usrp_eeprom_read (libusb_device_handle *udh, int i2c_addr,
188 int eeprom_offset, void *buf, int len);
191 // Slot specific i/o routines
194 * \brief write to the specified aux dac.
196 * \p slot: which Tx or Rx slot to write.
197 * N.B., SLOT_TX_A and SLOT_RX_A share the same AUX DAC's
198 * SLOT_TX_B and SLOT_RX_B share the same AUX DAC's
200 * \p which_dac: [0,3] RX slots must use only 0 and 1.
201 * TX slots must use only 2 and 3.
203 * AUX DAC 3 is really the 9862 sigma delta output.
205 * \p value to write to aux dac. All dacs take straight
206 * binary values. Although dacs 0, 1 and 2 are 8-bit and dac 3 is 12-bit,
207 * the interface is in terms of 12-bit values [0,4095]
209 bool usrp_write_aux_dac (libusb_device_handle *uhd, int slot,
210 int which_dac, int value);
213 * \brief Read the specified aux adc
215 * \p slot: which Tx or Rx slot to read aux dac
216 * \p which_adc: [0,1] which of the two adcs to read
217 * \p *value: return value, 12-bit straight binary.
219 bool usrp_read_aux_adc (libusb_device_handle *udh, int slot,
220 int which_adc, int *value);
224 * \brief usrp daughterboard id to name mapping
226 const std::string usrp_dbid_to_string (int dbid);
229 enum usrp_dbeeprom_status_t { UDBE_OK, UDBE_BAD_SLOT, UDBE_NO_EEPROM, UDBE_INVALID_EEPROM };
231 struct usrp_dboard_eeprom {
232 unsigned short id; // d'board identifier code
233 unsigned short oe; // fpga output enables:
234 // If bit set, i/o pin is an output from FPGA.
235 short offset[2]; // ADC/DAC offset correction
239 * \brief Read and return parsed daughterboard eeprom
241 usrp_dbeeprom_status_t
242 usrp_read_dboard_eeprom (libusb_device_handle *udh,
243 int slot_id, usrp_dboard_eeprom *eeprom);
246 * \brief write ADC/DAC offset calibration constants to d'board eeprom
248 bool usrp_write_dboard_offsets (libusb_device_handle *udh, int slot_id,
249 short offset0, short offset1);
252 * \brief return a usrp's serial number.
254 * Note that this only works on a configured usrp.
255 * \returns non-zero length string iff successful.
257 std::string usrp_serial_number(libusb_device_handle *udh);
263 libusb_device_handle *
264 usrp_open_interface(libusb_device *dev, int interface, int altinterface);
266 int write_cmd (libusb_device_handle *udh, int request, int value, int index,
267 unsigned char *bytes, int len);
270 * Compatibility functions
273 libusb_device *_get_usb_device (libusb_device_handle *udh);
275 libusb_device_descriptor _get_usb_device_descriptor (libusb_device *q);
277 int _get_usb_string_descriptor (libusb_device_handle *udh, int index,
278 unsigned char* data, int length);
280 int _usb_control_transfer (libusb_device_handle *udh, int request_type,
281 int request, int value, int index,
282 unsigned char *data, int length,
283 unsigned int timeout);
285 #endif /* _USRP_PRIMS_H_ */