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-rw-r--r--host/utils/CMakeLists.txt12
-rw-r--r--host/utils/clkgen-config.cpp296
-rw-r--r--host/utils/usrp-e-i2c.c87
-rw-r--r--host/utils/usrp-e-spi.c54
4 files changed, 449 insertions, 0 deletions
diff --git a/host/utils/CMakeLists.txt b/host/utils/CMakeLists.txt
index 6515048eb..ff0ca895a 100644
--- a/host/utils/CMakeLists.txt
+++ b/host/utils/CMakeLists.txt
@@ -27,18 +27,30 @@ TARGET_LINK_LIBRARIES(uhd_usrp_probe uhd)
ADD_EXECUTABLE(fpga-downloader fpga-downloader.cpp)
TARGET_LINK_LIBRARIES(fpga-downloader)
+ADD_EXECUTABLE(clkgen-config clkgen-config.cpp)
+TARGET_LINK_LIBRARIES(clkgen-config)
+
ADD_EXECUTABLE(usrp-e-loopback usrp-e-loopback.c)
TARGET_LINK_LIBRARIES(usrp-e-loopback pthread)
ADD_EXECUTABLE(usrp-e-debug-pins usrp-e-debug-pins.c)
TARGET_LINK_LIBRARIES(usrp-e-debug-pins)
+ADD_EXECUTABLE(usrp-e-i2c usrp-e-i2c.c)
+TARGET_LINK_LIBRARIES(usrp-e-i2c)
+
+ADD_EXECUTABLE(usrp-e-spi usrp-e-spi.c)
+TARGET_LINK_LIBRARIES(usrp-e-spi)
+
INSTALL(TARGETS
uhd_find_devices
uhd_usrp_probe
fpga-downloader
usrp-e-loopback
usrp-e-debug-pins
+ usrp-e-spi
+ usrp-e-i2c
+ clkgen-config
RUNTIME DESTINATION ${RUNTIME_DIR}
)
diff --git a/host/utils/clkgen-config.cpp b/host/utils/clkgen-config.cpp
new file mode 100644
index 000000000..e8279b4ae
--- /dev/null
+++ b/host/utils/clkgen-config.cpp
@@ -0,0 +1,296 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2003,2004,2008,2009 Free Software Foundation, Inc.
+ *
+ * This file is part of UHD
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#include <iostream>
+#include <sstream>
+#include <fstream>
+#include <string>
+#include <cstdlib>
+
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+
+#include <linux/spi/spidev.h>
+
+
+// Programming data for clock gen chip
+static const unsigned int config_data[] = {
+ 0x000024,
+ 0x023201,
+ 0x000081,
+ 0x000400,
+ 0x00104c,
+ 0x001101,
+ 0x001200,
+ 0x001300,
+ 0x001414,
+ 0x001500,
+ 0x001604,
+ 0x001704,
+ 0x001807,
+ 0x001900,
+ //0x001a00,//for debug
+ 0x001a32,
+ 0x001b12,
+ 0x001c44,
+ 0x001d00,
+ 0x001e00,
+ 0x00f062,
+ 0x00f162,
+ 0x00f262,
+ 0x00f362,
+ 0x00f462,
+ 0x00f562,
+ 0x00f662,
+ 0x00f762,
+ 0x00f862,
+ 0x00f962,
+ 0x00fa62,
+ 0x00fb62,
+ 0x00fc00,
+ 0x00fd00,
+ 0x019021,
+ 0x019100,
+ 0x019200,
+ 0x019333,
+ 0x019400,
+ 0x019500,
+ 0x019611,
+ 0x019700,
+ 0x019800,
+ 0x019900,
+ 0x019a00,
+ 0x019b00,
+ 0x01e003,
+ 0x01e102,
+ 0x023000,
+ 0x023201,
+ 0x0b0201,
+ 0x0b0300,
+ 0x001fff,
+ 0x0a0000,
+ 0x0a0100,
+ 0x0a0200,
+ 0x0a0302,
+ 0x0a0400,
+ 0x0a0504,
+ 0x0a060e,
+ 0x0a0700,
+ 0x0a0810,
+ 0x0a090e,
+ 0x0a0a00,
+ 0x0a0bf0,
+ 0x0a0c0b,
+ 0x0a0d01,
+ 0x0a0e90,
+ 0x0a0f01,
+ 0x0a1001,
+ 0x0a11e0,
+ 0x0a1201,
+ 0x0a1302,
+ 0x0a1430,
+ 0x0a1580,
+ 0x0a16ff,
+ 0x023201,
+ 0x0b0301,
+ 0x023201,
+};
+
+
+const unsigned int CLKGEN_SELECT = 145;
+
+
+enum gpio_direction {IN, OUT};
+
+class gpio {
+ public:
+
+ gpio(unsigned int gpio_num, gpio_direction pin_direction, bool close_action);
+ ~gpio();
+
+ bool get_value();
+ void set_value(bool state);
+
+ private:
+
+ unsigned int gpio_num;
+
+ std::stringstream base_path;
+ std::fstream value_file;
+ std::fstream direction_file;
+ bool close_action; // True set to input and release, false do nothing
+};
+
+class spidev {
+ public:
+
+ spidev(std::string dev_name);
+ ~spidev();
+
+ void send(char *wbuf, char *rbuf, unsigned int nbytes);
+
+ private:
+
+ int fd;
+
+};
+
+gpio::gpio(unsigned int _gpio_num, gpio_direction pin_direction, bool close_action)
+{
+ std::fstream export_file;
+
+ gpio_num = _gpio_num;
+
+ export_file.open("/sys/class/gpio/export", std::ios::out);
+ if (!export_file.is_open()) ///\todo Poor error handling
+ std::cout << "Failed to open gpio export file." << std::endl;
+
+ export_file << gpio_num << std::endl;
+
+ base_path << "/sys/class/gpio/gpio" << gpio_num << std::flush;
+
+ std::string direction_file_name;
+
+ direction_file_name = base_path.str() + "/direction";
+
+ direction_file.open(direction_file_name.c_str());
+ if (!direction_file.is_open())
+ std::cout << "Failed to open direction file." << std::endl;
+ if (pin_direction == OUT)
+ direction_file << "out" << std::endl;
+ else
+ direction_file << "in" << std::endl;
+
+ std::string value_file_name;
+
+ value_file_name = base_path.str() + "/value";
+
+ value_file.open(value_file_name.c_str(), std::ios_base::in | std::ios_base::out);
+ if (!value_file.is_open())
+ std::cout << "Failed to open value file." << std::endl;
+}
+
+bool gpio::get_value()
+{
+
+ std::string val;
+
+ std::getline(value_file, val);
+ value_file.seekg(0);
+
+ if (val == "0")
+ return false;
+ else if (val == "1")
+ return true;
+ else
+ std::cout << "Data read from value file|" << val << "|" << std::endl;
+
+ return false;
+}
+
+void gpio::set_value(bool state)
+{
+
+ if (state)
+ value_file << "1" << std::endl;
+ else
+ value_file << "0" << std::endl;
+}
+
+gpio::~gpio()
+{
+ if (close_action) {
+ std::fstream unexport_file;
+
+ direction_file << "in" << std::endl;
+
+ unexport_file.open("/sys/class/gpio/unexport", std::ios::out);
+ if (!unexport_file.is_open()) ///\todo Poor error handling
+ std::cout << "Failed to open gpio export file." << std::endl;
+
+ unexport_file << gpio_num << std::endl;
+
+ }
+
+}
+
+spidev::spidev(std::string fname)
+{
+ int ret;
+ int mode = 0;
+ int speed = 12000;
+ int bits = 24;
+
+ fd = open(fname.c_str(), O_RDWR);
+
+ ret = ioctl(fd, SPI_IOC_WR_MODE, &mode);
+ ret = ioctl(fd, SPI_IOC_WR_MAX_SPEED_HZ, &speed);
+ ret = ioctl(fd, SPI_IOC_WR_BITS_PER_WORD, &bits);
+}
+
+
+spidev::~spidev()
+{
+ close(fd);
+}
+
+void spidev::send(char *buf, char *rbuf, unsigned int nbytes)
+{
+ int ret;
+
+ struct spi_ioc_transfer tr;
+ tr.tx_buf = (unsigned long) buf;
+ tr.rx_buf = (unsigned long) rbuf;
+ tr.len = nbytes;
+ tr.delay_usecs = 0;
+ tr.speed_hz = 12000000;
+ tr.bits_per_word = 24;
+
+ ret = ioctl(fd, SPI_IOC_MESSAGE(1), &tr);
+
+}
+
+static void send_config_to_clkgen(gpio &chip_select, const unsigned int data[], unsigned int data_size)
+{
+ spidev spi("/dev/spidev1.0");
+ unsigned int rbuf;
+
+ for (unsigned int i = 0; i < data_size; i++) {
+
+ std::cout << "sending " << std::hex << data[i] << std::endl;
+ chip_select.set_value(0);
+ spi.send((char *)&data[i], (char *)&rbuf, 4);
+ chip_select.set_value(1);
+
+ };
+}
+
+int main(int argc, char *argv[])
+{
+
+ gpio clkgen_select(CLKGEN_SELECT, OUT, true);
+
+ send_config_to_clkgen(clkgen_select, config_data, sizeof(config_data)/sizeof(unsigned int));
+}
+
diff --git a/host/utils/usrp-e-i2c.c b/host/utils/usrp-e-i2c.c
new file mode 100644
index 000000000..c6fd4c632
--- /dev/null
+++ b/host/utils/usrp-e-i2c.c
@@ -0,0 +1,87 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+#include <linux/usrp_e.h>
+
+// Usage: usrp_e_i2c w address data0 data1 data 2 ....
+// Usage: usrp_e_i2c r address count
+
+int main(int argc, char *argv[])
+{
+ int fp, ret, i, tmp;
+ struct usrp_e_i2c *i2c_msg;
+ int direction, address, count;
+
+ if (argc < 3) {
+ printf("Usage: usrp-e-i2c w address data0 data1 data2 ...\n");
+ printf("Usage: usrp-e-i2c r address count\n");
+ printf("All addresses and data in hex.\n");
+ exit(-1);
+ }
+
+ if (strcmp(argv[1], "r") == 0) {
+ direction = 0;
+ } else if (strcmp(argv[1], "w") == 0) {
+ direction = 1;
+ } else {
+ return -1;
+ }
+
+ sscanf(argv[2], "%X", &address);
+ printf("Address = %X\n", address);
+
+ fp = open("/dev/usrp_e0", O_RDWR);
+ printf("fp = %d\n", fp);
+ if (fp < 0) {
+ perror("Open failed");
+ return -1;
+ }
+
+// sleep(1);
+
+ if (direction) {
+ count = argc - 3;
+ } else {
+ sscanf(argv[3], "%X", &count);
+ }
+ printf("Count = %X\n", count);
+
+ i2c_msg = malloc(sizeof(i2c_msg) + count * sizeof(char));
+
+ i2c_msg->addr = address;
+ i2c_msg->len = count;
+
+ for (i = 0; i < count; i++) {
+ i2c_msg->data[i] = i;
+ }
+
+ if (direction) {
+ // Write
+
+ for (i=0; i<count; i++) {
+ sscanf(argv[3+i], "%X", &tmp);
+ i2c_msg->data[i] = tmp;
+ }
+
+ ret = ioctl(fp, USRP_E_I2C_WRITE, i2c_msg);
+ printf("Return value from i2c_write ioctl: %d\n", ret);
+ } else {
+ // Read
+
+ ret = ioctl(fp, USRP_E_I2C_READ, i2c_msg);
+ printf("Return value from i2c_read ioctl: %d\n", ret);
+
+ printf("Ioctl: %d Data read :", ret);
+ for (i=0; i<count; i++) {
+ printf(" %X", i2c_msg->data[i]);
+ }
+ printf("\n");
+
+ }
+ return 0;
+}
diff --git a/host/utils/usrp-e-spi.c b/host/utils/usrp-e-spi.c
new file mode 100644
index 000000000..5203f56a8
--- /dev/null
+++ b/host/utils/usrp-e-spi.c
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+#include <linux/usrp_e.h>
+
+// Usage: usrp_e_spi w|rb slave data
+
+int main(int argc, char *argv[])
+{
+ int fp, slave, length, ret;
+ unsigned int data;
+ struct usrp_e_spi spi_dat;
+
+ if (argc < 5) {
+ printf("Usage: usrp_e_spi w|rb slave transfer_length data\n");
+ exit(-1);
+ }
+
+ slave = atoi(argv[2]);
+ length = atoi(argv[3]);
+ data = atoll(argv[4]);
+
+ printf("Data = %X\n", data);
+
+ fp = open("/dev/usrp_e0", O_RDWR);
+ printf("fp = %d\n", fp);
+ if (fp < 0) {
+ perror("Open failed");
+ return -1;
+ }
+
+// sleep(1);
+
+
+ spi_dat.slave = slave;
+ spi_dat.data = data;
+ spi_dat.length = length;
+ spi_dat.flags = UE_SPI_PUSH_FALL | UE_SPI_LATCH_RISE;
+
+ if (*argv[1] == 'r') {
+ spi_dat.readback = 1;
+ ret = ioctl(fp, USRP_E_SPI, &spi_dat);
+ printf("Ioctl returns: %d, Data returned = %d\n", ret, spi_dat.data);
+ } else {
+ spi_dat.readback = 0;
+ ioctl(fp, USRP_E_SPI, &spi_dat);
+ }
+
+ return 0;
+}
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