Initial checkin of u1e testing code. Some of these may not be really

useful anymore.

7 files changed, 422 insertions, 0 deletions

diff --git a/host/apps/omap_debug/fpga-downloader.cc b/host/apps/omap_debug/fpga-downloader.cc
new file mode 100644
index 000000000..fb96b64a3
--- /dev/null
+++ b/host/apps/omap_debug/fpga-downloader.cc
@@ -0,0 +1,251 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2003,2004,2008,2009 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * 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>
+
+/*
+ * Configuration connections
+ *
+ * CCK    - MCSPI1_CLK
+ * DIN    - MCSPI1_MOSI
+ * PROG_B - GPIO_175     - output (change mux)
+ * DONE   - GPIO_173     - input  (change mux)
+ * INIT_B - GPIO_114     - input  (change mux)
+ *
+*/
+
+const unsigned int PROG_B = 175;
+const unsigned int DONE   = 173;
+const unsigned int INIT_B = 114;
+
+static std::string bit_file = "safe_u1e.bin";
+
+const int BUF_SIZE = 4096;
+
+enum gpio_direction {IN, OUT};
+
+class gpio {
+	public:
+
+	gpio(unsigned int gpio_num, gpio_direction pin_direction);
+
+	bool get_value();
+	void set_value(bool state);
+
+	private:
+
+	std::stringstream base_path;
+	std::fstream value_file;	
+};
+
+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)
+{
+	std::fstream export_file;
+
+	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::fstream direction_file;
+	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;
+}
+
+static void prepare_fpga_for_configuration(gpio &prog, gpio &init)
+{
+
+	prog.set_value(true);
+	prog.set_value(false);
+	prog.set_value(true);
+
+#if 0
+	bool ready_to_program(false);
+	unsigned int count(0);
+	do {
+		ready_to_program = init.get_value();
+		count++;
+
+		sleep(1);
+	} while (count < 10 && !ready_to_program);
+
+	if (count == 10) {
+		std::cout << "FPGA not ready for programming." << std::endl;
+		exit(-1);
+	}
+#endif
+}
+
+spidev::spidev(std::string fname)
+{
+	int ret;
+	int mode = 0;
+	int speed = 12000000;
+	int bits = 8;
+
+	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 = 48000000;
+	tr.bits_per_word = 8;
+
+	ret = ioctl(fd, SPI_IOC_MESSAGE(1), &tr);	
+
+}
+
+static void send_file_to_fpga(std::string &file_name, gpio &error, gpio &done)
+{
+	std::ifstream bitstream;
+
+	std::cout << "File name - " << file_name.c_str() << std::endl;
+
+	bitstream.open(file_name.c_str(), std::ios::binary);
+	if (!bitstream.is_open())
+		std::cout << "File " << file_name << " not opened succesfully." << std::endl;
+
+	spidev spi("/dev/spidev1.0");
+	char buf[BUF_SIZE];
+	char rbuf[BUF_SIZE];
+
+	do {
+		bitstream.read(buf, BUF_SIZE);
+		spi.send(buf, rbuf, bitstream.gcount());
+
+		if (error.get_value())
+			std::cout << "INIT_B went high, error occured." << std::endl;
+
+		if (!done.get_value())
+			std::cout << "Configuration complete." << std::endl;
+
+	} while (bitstream.gcount() == BUF_SIZE);
+}
+
+int main(int argc, char *argv[])
+{
+
+	gpio gpio_prog_b(PROG_B, OUT);
+	gpio gpio_init_b(INIT_B, IN);
+	gpio gpio_done  (DONE,   IN);
+
+	if (argc == 2)
+		bit_file = argv[1];
+
+	std::cout << "FPGA config file: " << bit_file << std::endl;
+
+	prepare_fpga_for_configuration(gpio_prog_b, gpio_init_b);
+
+	std::cout << "Done = " << gpio_done.get_value() << std::endl;
+
+	send_file_to_fpga(bit_file, gpio_init_b, gpio_done);
+}
+
diff --git a/host/apps/omap_debug/test.c b/host/apps/omap_debug/test.c
new file mode 100644
index 000000000..36f4d700a
--- /dev/null
+++ b/host/apps/omap_debug/test.c
@@ -0,0 +1,34 @@
+#include <stdio.h>
+
+void
+main()
+{
+  int x;
+  char *y;
+  long long z;
+
+  x = 0x01020304;
+  z = 0x0102030405060708LL;
+
+  printf("%x\n",x);
+  y = (char *)&x;
+  printf("%x\n",y[0]);
+  printf("%x\n",y[1]);
+  printf("%x\n",y[2]);
+  printf("%x\n",y[3]);
+
+  printf("Printing z ...\n");
+  printf("%llx\n",z);
+  printf("Printing z done\n");
+
+  y = (char *)&z;
+  printf("%x\n",y[0]);
+  printf("%x\n",y[1]);
+  printf("%x\n",y[2]);
+  printf("%x\n",y[3]);
+  printf("%x\n",y[4]);
+  printf("%x\n",y[5]);
+  printf("%x\n",y[6]);
+  printf("%x\n",y[7]);
+}
+
diff --git a/host/apps/omap_debug/u1e-read-stream.c b/host/apps/omap_debug/u1e-read-stream.c
new file mode 100644
index 000000000..4e4c21d9e
--- /dev/null
+++ b/host/apps/omap_debug/u1e-read-stream.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <fcntl.h>
+
+int main(int rgc, char *argv[])
+{
+	int fp, cnt, n;
+	short buf[1024];
+
+	n = 0;
+
+	fp = open("/dev/usrp1_e0", O_RDONLY);
+	printf("fp = %d\n", fp);
+
+	do {
+		cnt = read(fp, buf, 2048);
+		n++;
+//		printf("Bytes read - %d\n", cnt);
+	} while(n < 10*512);
+	printf("Data - %hX\n", buf[0]);
+}
diff --git a/host/apps/omap_debug/usrp1-e-ctl.c b/host/apps/omap_debug/usrp1-e-ctl.c
new file mode 100644
index 000000000..045e7ce19
--- /dev/null
+++ b/host/apps/omap_debug/usrp1-e-ctl.c
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <linux/ioctl.h>
+
+#include "usrp1_e.h"
+
+// Usage: usrp1_e_ctl w|r offset number_of_values val1 val2 ....
+
+int main(int argc, char *argv[])
+{
+	int fp, i, cnt, ret;
+	struct usrp1_e_ctl *ctl_data;
+
+	if (argc < 4) {
+		printf("Usage: usrp1_e_ctl w|r offset number_of_values val1 val2 ....\n");
+		exit(-1);
+	}
+
+	cnt = atoi(argv[3]);
+
+	ctl_data = malloc(sizeof(struct usrp1_e_ctl) + cnt*2);
+
+	ctl_data->offset = atoi(argv[2]);
+	ctl_data->count  = cnt;
+
+	printf("Sizeof usrp1_e_ctl struct = %d\n", sizeof(struct usrp1_e_ctl));
+
+	fp = open("/dev/usrp1_e0", O_RDWR);
+	printf("fp = %d\n", fp);
+
+	if (*argv[1] == 'w') {
+		for (i=0; i<cnt; i++)
+			ctl_data->buf[i] = atoi(argv[4+i]);
+
+		ret = ioctl(fp, USRP1_E_WRITE_CTL, ctl_data);
+		printf("Return value from write ioctl = %d\n", ret);
+	}
+
+	if (*argv[1] == 'r') {
+		ret = ioctl(fp, USRP1_E_READ_CTL, ctl_data);
+		printf("Return value from write ioctl = %d\n", ret);
+
+		for (i=0; i<ctl_data->count; i++) {
+			if (!(i%8))
+				printf("\nData at %4d :", i);
+			printf(" %5d", ctl_data->buf[i]);
+		}
+		printf("\n");
+	}
+}
diff --git a/host/apps/omap_debug/usrp1-e-ram.c b/host/apps/omap_debug/usrp1-e-ram.c
new file mode 100644
index 000000000..d548f7ccd
--- /dev/null
+++ b/host/apps/omap_debug/usrp1-e-ram.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <fcntl.h>
+
+int main(int rgc, char *argv[])
+{
+	int fp, i, cnt;
+	unsigned short buf[1024];
+	unsigned short buf_rb[1024];
+
+	fp = open("/dev/usrp1_e0", O_RDWR);
+	printf("fp = %d\n", fp);
+
+	for (i=0; i<1024; i++)
+		buf[i] = i*256; 
+	write(fp, buf, 2048);
+	read(fp, buf_rb, 2048);
+
+	printf("Read back %hX %hX\n", buf_rb[0], buf_rb[1]);
+
+	for (i=0; i<1024; i++) {
+		if (buf[i] != buf_rb[i])
+			printf("Read - %hX, expected - %hX\n", buf_rb[i], buf[i]);
+	}
+}
diff --git a/host/apps/omap_debug/usrp1-e-read.c b/host/apps/omap_debug/usrp1-e-read.c
new file mode 100644
index 000000000..c28f018d5
--- /dev/null
+++ b/host/apps/omap_debug/usrp1-e-read.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <fcntl.h>
+
+int main(int rgc, char *argv[])
+{
+	int fp, cnt;
+	short buf[1024];
+
+	fp = open("/dev/usrp1_e0", O_RDONLY);
+	printf("fp = %d\n", fp);
+
+	do {
+	cnt = read(fp, buf, 2048);
+//	printf("Bytes read - %d\n", cnt);
+	} while(1);
+	printf("Data - %hX\n", buf[0]);
+}
diff --git a/host/apps/omap_debug/usrp1-e-write.c b/host/apps/omap_debug/usrp1-e-write.c
new file mode 100644
index 000000000..f29cc7032
--- /dev/null
+++ b/host/apps/omap_debug/usrp1-e-write.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <fcntl.h>
+
+int main(int rgc, char *argv[])
+{
+	int fp, i, cnt;
+	short buf[1024];
+
+	fp = open("/dev/usrp1_e0", O_WRONLY);
+	printf("fp = %d\n", fp);
+
+	for (i=0; i<1024; i++) {
+		buf[i] = i;
+	}
+
+	do {
+		cnt = write(fp, buf, 2048);
+		printf("Bytes written - %d\n", cnt);
+	} while (1);
+}