diff options
Diffstat (limited to 'usrp/host/lib/usrp_prims_common.cc')
| -rw-r--r-- | usrp/host/lib/usrp_prims_common.cc | 153 |
1 files changed, 147 insertions, 6 deletions
diff --git a/usrp/host/lib/usrp_prims_common.cc b/usrp/host/lib/usrp_prims_common.cc index af763acc2..1517d51ac 100644 --- a/usrp/host/lib/usrp_prims_common.cc +++ b/usrp/host/lib/usrp_prims_common.cc @@ -40,6 +40,7 @@ #include <algorithm> #include <ad9862.h> #include <assert.h> +#include "std_paths.h" #ifdef HAVE_LIBUSB_1 #include <libusb-1.0/libusb.h> @@ -67,9 +68,6 @@ static const char *default_firmware_filename = "std.ihx"; static const char *default_fpga_filename = "std_2rxhb_2tx.rbf"; -#include "std_paths.h" -#include <stdio.h> - static char * find_file (const char *filename, int hw_rev) { @@ -107,10 +105,48 @@ get_proto_filename(const std::string user_filename, const char *env_var, const c } -void power_down_9862s (libusb_device_handle *udh); +static void power_down_9862s (libusb_device_handle *udh); + // ---------------------------------------------------------------- +/* + * q must be a real USRP, not an FX2. Return its hardware rev number. + */ + +int +usrp_hw_rev (libusb_device *q) +{ + libusb_device_descriptor desc = get_usb_device_descriptor(q); + return desc.bcdDevice & 0x00FF; +} + +/* + * q must be a real USRP, not an FX2. Return true if it's configured. + */ +static bool +_usrp_configured_p (libusb_device *q) +{ + libusb_device_descriptor desc = get_usb_device_descriptor(q); + return (desc.bcdDevice & 0xFF00) != 0; +} + +bool +usrp_usrp_p (libusb_device *q) +{ + libusb_device_descriptor desc = get_usb_device_descriptor(q); + return (desc.idVendor == USB_VID_FSF + && desc.idProduct == USB_PID_FSF_USRP); +} + +bool +usrp_fx2_p (libusb_device *q) +{ + libusb_device_descriptor desc = get_usb_device_descriptor(q); + return (desc.idVendor == USB_VID_CYPRESS + && desc.idProduct == USB_PID_CYPRESS_FX2); +} + bool usrp_usrp0_p (libusb_device *q) { @@ -142,6 +178,10 @@ usrp_configured_usrp_p (libusb_device *q) return usrp_usrp_p (q) && _usrp_configured_p (q); } + +// ---------------------------------------------------------------- + + libusb_device_handle * usrp_open_cmd_interface (libusb_device *dev) { @@ -162,6 +202,35 @@ usrp_open_tx_interface (libusb_device *dev) // ---------------------------------------------------------------- +// write internal ram using Cypress vendor extension + +static bool +write_internal_ram (libusb_device_handle *udh, unsigned char *buf, + int start_addr, size_t len) +{ + int addr; + int n; + int a; + int quanta = MAX_EP0_PKTSIZE; + + for (addr = start_addr; addr < start_addr + (int) len; addr += quanta){ + n = len + start_addr - addr; + if (n > quanta) + n = quanta; + + a = usb_control_transfer (udh, 0x40, 0xA0, + addr, 0, (unsigned char *)(buf + (addr - start_addr)), n, 1000); + + if (a < 0){ + fprintf(stderr,"write_internal_ram failed: %u\n", a); + return false; + } + } + return true; +} + + +// ---------------------------------------------------------------- // whack the CPUCS register using the upload RAM vendor extension static bool @@ -348,6 +417,31 @@ usrp_set_led (libusb_device_handle *udh, int which, bool on) return r == 0; } +bool +usrp_set_hash (libusb_device_handle *udh, int which, + const unsigned char hash[USRP_HASH_SIZE]) +{ + which &= 1; + + // we use the Cypress firmware down load command to jam it in. + int r = usb_control_transfer (udh, 0x40, 0xa0, hash_slot_addr[which], 0, + (unsigned char *) hash, USRP_HASH_SIZE, 1000); + return r == USRP_HASH_SIZE; +} + +bool +usrp_get_hash (libusb_device_handle *udh, int which, + unsigned char hash[USRP_HASH_SIZE]) +{ + which &= 1; + + // we use the Cypress firmware upload command to fetch it. + int r = usb_control_transfer (udh, 0xc0, 0xa0, hash_slot_addr[which], 0, + (unsigned char *) hash, USRP_HASH_SIZE, 1000); + return r == USRP_HASH_SIZE; +} + + static bool usrp_set_switch (libusb_device_handle *udh, int cmd_byte, bool on) @@ -355,7 +449,7 @@ usrp_set_switch (libusb_device_handle *udh, int cmd_byte, bool on) return write_cmd (udh, cmd_byte, on, 0, 0, 0) == 0; } -bool +static bool usrp1_fpga_write (libusb_device_handle *udh, int regno, int value) { @@ -374,7 +468,7 @@ usrp1_fpga_write (libusb_device_handle *udh, buf, sizeof (buf)); } -bool +static bool usrp1_fpga_read (libusb_device_handle *udh, int regno, int *value) { @@ -392,6 +486,29 @@ usrp1_fpga_read (libusb_device_handle *udh, return ok; } +bool +usrp_write_fpga_reg (libusb_device_handle *udh, int reg, int value) +{ + switch (usrp_hw_rev (get_usb_device (udh))){ + case 0: // not supported ;) + abort(); + + default: + return usrp1_fpga_write (udh, reg, value); + } +} + +bool +usrp_read_fpga_reg (libusb_device_handle *udh, int reg, int *value) +{ + switch (usrp_hw_rev (get_usb_device (udh))){ + case 0: // not supported ;) + abort(); + + default: + return usrp1_fpga_read (udh, reg, value); + } +} bool usrp_set_fpga_reset (libusb_device_handle *udh, bool on) @@ -814,6 +931,25 @@ usrp_9862_write_many_all (libusb_device_handle *udh, return result; } +static void +power_down_9862s (libusb_device_handle *udh) +{ + static const unsigned char regs[] = { + REG_RX_PWR_DN, 0x01, // everything + REG_TX_PWR_DN, 0x0f, // pwr dn digital and analog_both + REG_TX_MODULATOR, 0x00 // coarse & fine modulators disabled + }; + + switch (usrp_hw_rev (get_usb_device (udh))){ + case 0: + break; + + default: + usrp_9862_write_many_all (udh, regs, sizeof (regs)); + break; + } +} + static const int EEPROM_PAGESIZE = 16; @@ -1077,3 +1213,8 @@ usrp_write_dboard_offsets (libusb_device_handle *udh, int slot_id, return usrp_eeprom_write (udh, slot_to_i2c_addr (slot_id), 0, buf, sizeof (buf)); } + + + + + |