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-rw-r--r--host/apps/omap_debug/Makefile6
-rw-r--r--host/apps/omap_debug/usrp-e-rw-random.c147
-rw-r--r--host/apps/omap_debug/usrp-e-rw.c42
3 files changed, 181 insertions, 14 deletions
diff --git a/host/apps/omap_debug/Makefile b/host/apps/omap_debug/Makefile
index 61f659b3e..b00210c4f 100644
--- a/host/apps/omap_debug/Makefile
+++ b/host/apps/omap_debug/Makefile
@@ -1,6 +1,6 @@
CFLAGS=-Wall -I../../lib/usrp/usrp_e/
-all : usrp-e-spi usrp-e-i2c usrp-e-rw usrp-e-uart usrp-e-led usrp-e-ctl usrp-e-button usrp-e-uart-rx fpga-downloader usrp-e-gpio usrp-e-debug-pins
+all : usrp-e-spi usrp-e-i2c usrp-e-rw usrp-e-uart usrp-e-led usrp-e-ctl usrp-e-button usrp-e-uart-rx fpga-downloader usrp-e-gpio usrp-e-debug-pins usrp-e-rw-random
usrp-e-spi : usrp-e-spi.c
@@ -9,6 +9,9 @@ usrp-e-i2c : usrp-e-i2c.c
usrp-e-rw : usrp-e-rw.c
gcc -o $@ $< -lpthread
+usrp-e-rw-random : usrp-e-rw-random.c
+ gcc -o $@ $< -lpthread
+
usrp-e-uart : usrp-e-uart.c
usrp-e-uart-rx : usrp-e-uart-rx.c
@@ -28,6 +31,7 @@ clean :
rm -f usrp-e-spi
rm -f usrp-e-i2c
rm -f usrp-e-rw
+ rm -f usrp-e-rw-random
rm -f usrp-e-uart
rm -f usrp-e-uart-rx
rm -f usrp-e-led
diff --git a/host/apps/omap_debug/usrp-e-rw-random.c b/host/apps/omap_debug/usrp-e-rw-random.c
new file mode 100644
index 000000000..67d6ca803
--- /dev/null
+++ b/host/apps/omap_debug/usrp-e-rw-random.c
@@ -0,0 +1,147 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stddef.h>
+#include "usrp_e.h"
+
+// max length #define PKT_DATA_LENGTH 1014
+static int packet_data_length;
+
+struct pkt {
+ int checksum;
+ int seq_num;
+ int len;
+ short data[];
+};
+
+static int fp;
+
+static int calc_checksum(struct pkt *p)
+{
+ int i, sum;
+
+ i = 0;
+ sum = 0;
+
+ for (i=0; i < p->len; i++)
+ sum += p->data[i];
+
+ sum += p->seq_num;
+
+ return sum;
+}
+
+int randN(int n)
+{
+ long tmp;
+
+ tmp = rand() % n;
+
+ return tmp;
+}
+
+static void *read_thread(void *threadid)
+{
+ int cnt, prev_seq_num;
+ struct usrp_transfer_frame *rx_data;
+ struct pkt *p;
+
+ printf("Greetings from the reading thread!\n");
+
+ // IMPORTANT: must assume max length packet from fpga
+ rx_data = malloc(sizeof(struct usrp_transfer_frame) + sizeof(struct pkt) + (1014 * 2));
+ rx_data = malloc(2048);
+ p = (struct pkt *) ((void *)rx_data + offsetof(struct usrp_transfer_frame, buf));
+ //p = &(rx_data->buf[0]);
+ printf("Address of rx_data = %p, p = %p\n", rx_data, p);
+ printf("offsetof = %d\n", offsetof(struct usrp_transfer_frame, buf));
+ printf("sizeof rx data = %d\n", sizeof(struct usrp_transfer_frame) + sizeof(struct pkt));
+
+ prev_seq_num = 0;
+
+ while (1) {
+
+ cnt = read(fp, rx_data, 2048);
+// printf("Packet received, flags = %X, len = %d\n", rx_data->flags, rx_data->len);
+// printf("p->seq_num = %d\n", p->seq_num);
+
+ if (p->seq_num != prev_seq_num + 1)
+ printf("Sequence number fail, current = %d, previous = %d\n",
+ p->seq_num, prev_seq_num);
+ prev_seq_num = p->seq_num;
+
+ if (calc_checksum(p) != p->checksum)
+ printf("Checksum fail packet = %d, expected = %d\n",
+ calc_checksum(p), p->checksum);
+// printf("\n");
+ }
+
+}
+
+static void *write_thread(void *threadid)
+{
+ int seq_number, i, cnt, pkt_cnt;
+ struct usrp_transfer_frame *tx_data;
+ struct pkt *p;
+
+ printf("Greetings from the write thread!\n");
+
+ // Allocate max length buffer for frame
+ tx_data = malloc(2048);
+ p = (struct pkt *) ((void *)tx_data + offsetof(struct usrp_transfer_frame, buf));
+ printf("Address of tx_data = %p, p = %p\n", tx_data, p);
+
+ printf("sizeof rp_transfer_frame = %d, sizeof pkt = %d\n", sizeof(struct usrp_transfer_frame), sizeof(struct pkt));
+
+ for (i=0; i < 1014; i++)
+// p->data[i] = random() >> 16;
+ p->data[i] = i;
+
+ tx_data->flags = 0xdeadbeef;
+ tx_data->len = 8 + packet_data_length * 2;
+
+ printf("tx_data->len = %d\n", tx_data->len);
+
+ seq_number = 1;
+
+ while (1) {
+ pkt_cnt = randN(16);
+ for (i = 0; i < pkt_cnt; i++) {
+ p->seq_num = seq_number++;
+ p->len = randN(1013) + 1;
+ p->checksum = calc_checksum(p);
+ tx_data->len = 12 + p->len * 2;
+ cnt = write(fp, tx_data, 2048);
+ }
+ sleep(random() >> 31);
+ }
+}
+
+
+int main(int argc, char *argv[])
+{
+ pthread_t tx, rx;
+ long int t;
+
+ fp = open("/dev/usrp_e0", O_RDWR);
+ printf("fp = %d\n", fp);
+
+ if (pthread_create(&rx, NULL, read_thread, (void *) t)) {
+ printf("Failed to create rx thread\n");
+ exit(-1);
+ }
+
+ sleep(1);
+
+ if (pthread_create(&tx, NULL, write_thread, (void *) t)) {
+ printf("Failed to create tx thread\n");
+ exit(-1);
+ }
+
+ sleep(10000);
+
+ printf("Done sleeping\n");
+}
diff --git a/host/apps/omap_debug/usrp-e-rw.c b/host/apps/omap_debug/usrp-e-rw.c
index 5fd73e9b6..edfcea92a 100644
--- a/host/apps/omap_debug/usrp-e-rw.c
+++ b/host/apps/omap_debug/usrp-e-rw.c
@@ -7,13 +7,13 @@
#include <stddef.h>
#include "usrp_e.h"
-#define PKT_DATA_LENGTH 30
// max length #define PKT_DATA_LENGTH 1016
+static int packet_data_length;
struct pkt {
int checksum;
int seq_num;
- short data[PKT_DATA_LENGTH];
+ short data[];
};
static int fp;
@@ -25,7 +25,7 @@ static int calc_checksum(struct pkt *p)
i = 0;
sum = 0;
- for (i=0; i<PKT_DATA_LENGTH; i++)
+ for (i=0; i < packet_data_length; i++)
sum += p->data[i];
sum += p->seq_num;
@@ -41,20 +41,24 @@ static void *read_thread(void *threadid)
printf("Greetings from the reading thread!\n");
- rx_data = malloc(sizeof(struct usrp_transfer_frame) + sizeof(struct pkt));
+ // IMPORTANT: must assume max length packet from fpga
+ rx_data = malloc(sizeof(struct usrp_transfer_frame) + sizeof(struct pkt) + (1016 * 2));
p = (struct pkt *) ((void *)rx_data + offsetof(struct usrp_transfer_frame, buf));
//p = &(rx_data->buf[0]);
printf("Address of rx_data = %p, p = %p\n", rx_data, p);
printf("offsetof = %d\n", offsetof(struct usrp_transfer_frame, buf));
- printf("sizeof rx data = %X\n", sizeof(struct usrp_transfer_frame) + sizeof(struct pkt));
+ printf("sizeof rx data = %d\n", sizeof(struct usrp_transfer_frame) + sizeof(struct pkt));
prev_seq_num = 0;
while (1) {
cnt = read(fp, rx_data, 2048);
- printf("Packet received, flags = %X, len = %X\n", rx_data->flags, rx_data->len);
- printf("p->seq_num = %d\n", p->seq_num);
+ if (cnt < 0)
+ printf("Error returned from read: %d\n", cnt);
+
+// printf("Packet received, flags = %X, len = %d\n", rx_data->flags, rx_data->len);
+// printf("p->seq_num = %d\n", p->seq_num);
if (p->seq_num != prev_seq_num + 1)
printf("Sequence number fail, current = %X, previous = %X\n",
@@ -64,7 +68,7 @@ static void *read_thread(void *threadid)
if (calc_checksum(p) != p->checksum)
printf("Checksum fail packet = %X, expected = %X\n",
calc_checksum(p), p->checksum);
- printf("\n");
+// printf("\n");
}
}
@@ -77,26 +81,31 @@ static void *write_thread(void *threadid)
printf("Greetings from the write thread!\n");
- tx_data = malloc(sizeof(struct usrp_transfer_frame) + sizeof(struct pkt));
+ tx_data = malloc(sizeof(struct usrp_transfer_frame) + sizeof(struct pkt) + (packet_data_length * 2));
p = (struct pkt *) ((void *)tx_data + offsetof(struct usrp_transfer_frame, buf));
printf("Address of tx_data = %p, p = %p\n", tx_data, p);
- printf("sizeof tx data = %X\n", sizeof(struct usrp_transfer_frame) + sizeof(struct pkt));
+ printf("sizeof rp_transfer_frame = %d, sizeof pkt = %d\n", sizeof(struct usrp_transfer_frame), sizeof(struct pkt));
- for (i=0; i<PKT_DATA_LENGTH; i++)
+ for (i=0; i < packet_data_length; i++)
// p->data[i] = random() >> 16;
p->data[i] = i;
tx_data->flags = 0xdeadbeef;
- tx_data->len = 8 + PKT_DATA_LENGTH * 2;
+ tx_data->len = 8 + packet_data_length * 2;
+
+ printf("tx_data->len = %d\n", tx_data->len);
seq_number = 1;
while (1) {
+// printf("tx flags = %X, len = %d\n", tx_data->flags, tx_data->len);
p->seq_num = seq_number++;
p->checksum = calc_checksum(p);
cnt = write(fp, tx_data, 2048);
- sleep(1);
+ if (cnt < 0)
+ printf("Error returned from write: %d\n", cnt);
+ // sleep(1);
}
}
@@ -106,6 +115,13 @@ int main(int argc, char *argv[])
pthread_t tx, rx;
long int t;
+ if (argc < 2) {
+ printf("%s data_size\n", argv[0]);
+ return -1;
+ }
+
+ packet_data_length = atoi(argv[1]);
+
fp = open("/dev/usrp_e0", O_RDWR);
printf("fp = %d\n", fp);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 07:58:06 +0000