diff options
Diffstat (limited to 'host/examples')
| -rw-r--r-- | host/examples/gpio.cpp | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/host/examples/gpio.cpp b/host/examples/gpio.cpp index d4a188c66..417234881 100644 --- a/host/examples/gpio.cpp +++ b/host/examples/gpio.cpp @@ -117,7 +117,8 @@ std::string to_bit_string(uint32_t val, const size_t num_bits) return out; } -void output_reg_values(const std::string bank, +void output_reg_values(const std::string& bank, + const std::string& port, const uhd::usrp::multi_usrp::sptr& usrp, const size_t num_bits) { @@ -136,7 +137,7 @@ void output_reg_values(const std::string bank, // GPIO Src - get_gpio_src() not supported for all devices try { - const auto gpio_src = usrp->get_gpio_src(bank); + const auto gpio_src = usrp->get_gpio_src(port); std::cout << boost::format("%10s:") % "SRC"; for (auto src : gpio_src) { std::cout << " " << src; @@ -156,6 +157,7 @@ int UHD_SAFE_MAIN(int argc, char* argv[]) std::string cpu, otw; double rx_rate, tx_rate, dwell; std::string gpio; + std::string port; size_t num_bits; std::string src_str; std::string ctrl_str; @@ -180,6 +182,7 @@ int UHD_SAFE_MAIN(int argc, char* argv[]) ("tx_rate", po::value<double>(&tx_rate)->default_value(GPIO_DEFAULT_TX_RATE), "tx sample rate") ("dwell", po::value<double>(&dwell)->default_value(GPIO_DEFAULT_DWELL_TIME), "dwell time in seconds for each test case") ("bank", po::value<std::string>(&gpio)->default_value(GPIO_DEFAULT_GPIO), "name of gpio bank") + ("port", po::value<std::string>(&port)->default_value(""), "name of gpio port. If not specified, defaults to the GPIO bank") ("bits", po::value<size_t>(&num_bits)->default_value(GPIO_DEFAULT_NUM_BITS), "number of bits in gpio bank") ("bitbang", "single test case where user sets values for CTRL, DDR, and OUT registers") ("src", po::value<std::string>(&src_str), "GPIO SRC reg value") @@ -197,6 +200,11 @@ int UHD_SAFE_MAIN(int argc, char* argv[]) return ~0; } + // Handle if the port is unspecified + if (port.empty()) { + port = gpio; + } + // create a usrp device std::cout << std::endl; std::cout << boost::format("Creating the usrp device with: %s...") % args @@ -227,7 +235,7 @@ int UHD_SAFE_MAIN(int argc, char* argv[]) // print out initial unconfigured state of GPIO std::cout << "Initial GPIO values:" << std::endl; - output_reg_values(gpio, usrp, num_bits); + output_reg_values(gpio, port, usrp, num_bits); // configure GPIO registers uint32_t ddr = strtoul(ddr_str.c_str(), NULL, 0); @@ -271,7 +279,7 @@ int UHD_SAFE_MAIN(int argc, char* argv[]) typedef boost::char_separator<char> separator; boost::tokenizer<separator> tokens(src_str, separator(" ")); std::copy(tokens.begin(), tokens.end(), std::back_inserter(gpio_src)); - usrp->set_gpio_src(gpio, gpio_src); + usrp->set_gpio_src(port, gpio_src); } // set data direction register (DDR) @@ -291,7 +299,7 @@ int UHD_SAFE_MAIN(int argc, char* argv[]) // print out initial state of FP GPIO std::cout << "\nConfigured GPIO values:" << std::endl; - output_reg_values(gpio, usrp, num_bits); + output_reg_values(gpio, port, usrp, num_bits); std::cout << std::endl; // set up streams @@ -353,7 +361,7 @@ int UHD_SAFE_MAIN(int argc, char* argv[]) std::cout << "pass:" << std::endl; else std::cout << "fail:" << std::endl; - output_reg_values(gpio, usrp, num_bits); + output_reg_values(gpio, port, usrp, num_bits); // restore DDR value usrp->set_gpio_attr(gpio, "DDR", ddr, mask); } @@ -396,7 +404,7 @@ int UHD_SAFE_MAIN(int argc, char* argv[]) } else { std::cout << "pass:" << std::endl; } - output_reg_values(gpio, usrp, num_bits); + output_reg_values(gpio, port, usrp, num_bits); usrp->set_gpio_attr(gpio, "OUT", 0, GPIO_BIT(4)); if (stop_signal_called) break; @@ -423,7 +431,7 @@ int UHD_SAFE_MAIN(int argc, char* argv[]) } else { std::cout << "pass:" << std::endl; } - output_reg_values(gpio, usrp, num_bits); + output_reg_values(gpio, port, usrp, num_bits); rx_stream->issue_stream_cmd( uhd::stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS); // clear out any data left in the rx stream @@ -458,7 +466,7 @@ int UHD_SAFE_MAIN(int argc, char* argv[]) } else { std::cout << "pass:" << std::endl; } - output_reg_values(gpio, usrp, num_bits); + output_reg_values(gpio, port, usrp, num_bits); tx_md.end_of_burst = true; try { tx_stream->send(tx_buffs, nsamps_per_buff, tx_md, timeout); @@ -513,7 +521,7 @@ int UHD_SAFE_MAIN(int argc, char* argv[]) } else { std::cout << "pass:" << std::endl; } - output_reg_values(gpio, usrp, num_bits); + output_reg_values(gpio, port, usrp, num_bits); } std::cout << std::endl; |