From d7304cc724de43b0d61d5b9d61a528d58898f004 Mon Sep 17 00:00:00 2001 From: eklai Date: Thu, 23 Jan 2020 18:47:28 -0800 Subject: x300: add front-panel GPIO source control Adds a ZPU register to control the FP GPIO source. These are 2bits per GPIO pin, totalling 24 bits. 0 corresponds to RF-A, 1 corresponds to RF-B. The following Python code will control the upper 6 bits of the front-panel GPIO from the B-side radio on an X300: >>> import uhd >>> U = uhd.usrp.MultiUSRP("type=x300") >>> U.get_gpio_src_banks() ['FP0'] >>> U.get_gpio_src("FP0") ['RFA', 'RFA', 'RFA', 'RFA', 'RFA', 'RFA', 'RFA', 'RFA', 'RFA', 'RFA', 'RFA', 'RFA'] >>> U.set_gpio_src("FP0", ['RFA', 'RFA', 'RFA', 'RFA', 'RFA', 'RFA', 'RFB', 'RFB', 'RFB', 'RFB', 'RFB', 'RFB']) >>> U.get_gpio_src("FP0") ['RFA', 'RFA', 'RFA', 'RFA', 'RFA', 'RFA', 'RFB', 'RFB', 'RFB', 'RFB', 'RFB', 'RFB'] >>> # Make all GPIOs outputs: >>> U.set_gpio_attr("FP0A", "DDR", 0xFFF) >>> U.set_gpio_attr("FP0B", "DDR", 0xFFF) >>> # Control all GPIOs from software (not ATR): >>> U.set_gpio_attr("FP0A", "CTRL", 0x000) >>> U.set_gpio_attr("FP0B", "CTRL", 0x000) >>> # Bottom 3 pins go high from radio A >>> U.set_gpio_attr("FP0A", "OUT", 0x007) >>> # Top 3 pins go high from radio B >>> U.set_gpio_attr("FP0B", "OUT", 0xE00) Amends the gpio.cpp example to allow switching the source. Co-authored-by: Brent Stapleton --- host/lib/usrp/multi_usrp_python.hpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'host/lib/usrp/multi_usrp_python.hpp') diff --git a/host/lib/usrp/multi_usrp_python.hpp b/host/lib/usrp/multi_usrp_python.hpp index c9d89888b..8d25e26d4 100644 --- a/host/lib/usrp/multi_usrp_python.hpp +++ b/host/lib/usrp/multi_usrp_python.hpp @@ -24,6 +24,7 @@ void export_multi_usrp(py::module& m) // Factory .def(py::init(&multi_usrp::make)) + // clang-format off // General USRP methods .def("get_rx_freq" , &multi_usrp::get_rx_freq, py::arg("chan") = 0) .def("get_rx_num_channels" , &multi_usrp::get_rx_num_channels) @@ -170,6 +171,7 @@ void export_multi_usrp(py::module& m) .def("get_gpio_srcs" , &multi_usrp::get_gpio_srcs, py::arg("bank"), py::arg("mboard") = 0) .def("get_gpio_src" , &multi_usrp::get_gpio_src, py::arg("bank"), py::arg("mboard") = 0) .def("set_gpio_src" , &multi_usrp::set_gpio_src, py::arg("bank"), py::arg("src"), py::arg("mboard") = 0) + .def("get_gpio_src_banks" , &multi_usrp::get_gpio_src_banks, py::arg("mboard") = 0) // Filter API methods .def("get_rx_filter_names" , &multi_usrp::get_rx_filter_names) @@ -178,6 +180,7 @@ void export_multi_usrp(py::module& m) .def("get_tx_filter_names" , &multi_usrp::get_tx_filter_names) .def("get_tx_filter" , &multi_usrp::get_tx_filter) .def("set_tx_filter" , &multi_usrp::set_tx_filter) + // clang-format off ; } -- cgit v1.2.3