diff options
Diffstat (limited to 'host/lib/usrp/b200/b200_iface.cpp')
| -rw-r--r-- | host/lib/usrp/b200/b200_iface.cpp | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/host/lib/usrp/b200/b200_iface.cpp b/host/lib/usrp/b200/b200_iface.cpp index 7809781d8..1f38978da 100644 --- a/host/lib/usrp/b200/b200_iface.cpp +++ b/host/lib/usrp/b200/b200_iface.cpp @@ -92,7 +92,7 @@ static hash_type generate_hash(const char *filename) { if (filename == NULL) return hash_type(0); - + std::ifstream file(filename); if (not file){ throw uhd::io_error(std::string("cannot open input file ") + filename); @@ -238,7 +238,7 @@ public: 0, offset | (boost::uint16_t(addr) << 8), (unsigned char *) &bytes[0], bytes.size()); - + if (ret < 0) throw uhd::io_error((boost::format("Failed to write EEPROM (%d: %s)") % ret % libusb_error_name(ret)).str()); else if ((size_t)ret != bytes.size()) @@ -254,12 +254,12 @@ public: 0, offset | (boost::uint16_t(addr) << 8), (unsigned char*) &recv_bytes[0], num_bytes); - + if (bytes_read < 0) throw uhd::io_error((boost::format("Failed to read EEPROM (%d: %s)") % bytes_read % libusb_error_name(bytes_read)).str()); else if ((size_t)bytes_read != num_bytes) throw uhd::io_error((boost::format("Short read on read EEPROM (expecting: %d, returned: %d)") % num_bytes % bytes_read).str()); - + return recv_bytes; } @@ -302,23 +302,23 @@ public: const int bytes_to_write = 64; const int bytes_to_read = 64; const size_t read_retries = 30; - + int ret = fx3_control_write(B200_VREQ_AD9361_CTRL_WRITE, 0x00, 0x00, (unsigned char *)in_buff, bytes_to_write); if (ret < 0) throw uhd::io_error((boost::format("Failed to write AD9361 (%d: %s)") % ret % libusb_error_name(ret)).str()); else if (ret != bytes_to_write) throw uhd::io_error((boost::format("Short write on write AD9361 (expecting: %d, returned: %d)") % bytes_to_write % ret).str()); - + for (size_t i = 0; i < read_retries; i++) { ret = fx3_control_read(B200_VREQ_AD9361_CTRL_READ, 0x00, 0x00, out_buff, bytes_to_read, 1000); if (ret < 0) throw uhd::io_error((boost::format("Failed to read AD9361 (%d: %s)") % ret % libusb_error_name(ret)).str()); - + if (ret == bytes_to_read) return; } - + throw uhd::io_error(str(boost::format("Failed to read complete AD9361 (expecting: %d, last read: %d)") % bytes_to_read % ret)); } @@ -456,13 +456,14 @@ public: void set_fpga_reset_pin(const bool reset) { unsigned char data[4]; memset(data, (reset)? 0xFF : 0x00, sizeof(data)); - const int bytes_to_send = sizeof(data); UHD_THROW_INVALID_CODE_PATH(); // Below is dead code as long as UHD_THROW_INVALID_CODE_PATH(); is declared above. // It is preserved here in a comment in case it is needed later: /* + const int bytes_to_send = sizeof(data); + int ret = fx3_control_write(B200_VREQ_FPGA_RESET, 0x00, 0x00, data, bytes_to_send); if (ret < 0) throw uhd::io_error((boost::format("Failed to reset FPGA (%d: %s)") % ret % libusb_error_name(ret)).str()); @@ -520,7 +521,7 @@ public: const int bytes_to_recv = 4; if (sizeof(hash_type) != bytes_to_recv) throw uhd::type_error((boost::format("hash_type is %d bytes but transfer length is %d bytes") % sizeof(hash_type) % bytes_to_recv).str()); - + int ret = fx3_control_read(B200_VREQ_GET_FW_HASH, 0x00, 0x00, (unsigned char*) &hash, bytes_to_recv, 500); if (ret < 0) throw uhd::io_error((boost::format("Failed to get firmware hash (%d: %s)") % ret % libusb_error_name(ret)).str()); @@ -532,7 +533,7 @@ public: const int bytes_to_send = 4; if (sizeof(hash_type) != bytes_to_send) throw uhd::type_error((boost::format("hash_type is %d bytes but transfer length is %d bytes") % sizeof(hash_type) % bytes_to_send).str()); - + int ret = fx3_control_write(B200_VREQ_SET_FW_HASH, 0x00, 0x00, (unsigned char*) &hash, bytes_to_send); if (ret < 0) throw uhd::io_error((boost::format("Failed to set firmware hash (%d: %s)") % ret % libusb_error_name(ret)).str()); @@ -544,7 +545,7 @@ public: const int bytes_to_recv = 4; if (sizeof(hash_type) != bytes_to_recv) throw uhd::type_error((boost::format("hash_type is %d bytes but transfer length is %d bytes") % sizeof(hash_type) % bytes_to_recv).str()); - + int ret = fx3_control_read(B200_VREQ_GET_FPGA_HASH, 0x00, 0x00, (unsigned char*) &hash, bytes_to_recv, 500); if (ret < 0) throw uhd::io_error((boost::format("Failed to get FPGA hash (%d: %s)") % ret % libusb_error_name(ret)).str()); @@ -556,7 +557,7 @@ public: const int bytes_to_send = 4; if (sizeof(hash_type) != bytes_to_send) throw uhd::type_error((boost::format("hash_type is %d bytes but transfer length is %d bytes") % sizeof(hash_type) % bytes_to_send).str()); - + int ret = fx3_control_write(B200_VREQ_SET_FPGA_HASH, 0x00, 0x00, (unsigned char*) &hash, bytes_to_send); if (ret < 0) throw uhd::io_error((boost::format("Failed to set FPGA hash (%d: %s)") % ret % libusb_error_name(ret)).str()); @@ -576,7 +577,7 @@ public: hash_type hash = generate_hash(filename); hash_type loaded_hash; usrp_get_fpga_hash(loaded_hash); if (hash == loaded_hash) return 0; - + // Establish default largest possible control request transfer size based on operating USB speed int transfer_size = VREQ_DEFAULT_SIZE; int current_usb_speed = get_usb_speed(); @@ -584,11 +585,11 @@ public: transfer_size = VREQ_MAX_SIZE_USB3; else if (current_usb_speed != 2) throw uhd::io_error("load_fpga: get_usb_speed returned invalid USB speed (not 2 or 3)."); - + UHD_ASSERT_THROW(transfer_size <= VREQ_MAX_SIZE); - + unsigned char out_buff[VREQ_MAX_SIZE]; - + // Request loopback read, which will indicate the firmware's current control request buffer size // Make sure that if operating as USB2, requested length is within spec int ntoread = std::min(transfer_size, (int)sizeof(out_buff)); @@ -611,7 +612,7 @@ public: if (!file.good()) { throw uhd::io_error("load_fpga: cannot open FPGA input file."); } - + // Zero the hash, in case we abort programming another image and revert to the previously programmed image usrp_set_fpga_hash(0); |