diff options
Diffstat (limited to 'host/usrp_e_utils')
| -rw-r--r-- | host/usrp_e_utils/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | host/usrp_e_utils/common.hpp | 64 | ||||
| -rw-r--r-- | host/usrp_e_utils/usrp-e-timed.c | 382 | ||||
| -rw-r--r-- | host/usrp_e_utils/usrp-e-wb-test.cpp | 49 |
4 files changed, 65 insertions, 431 deletions
diff --git a/host/usrp_e_utils/CMakeLists.txt b/host/usrp_e_utils/CMakeLists.txt index 9162a2099..10117ef13 100644 --- a/host/usrp_e_utils/CMakeLists.txt +++ b/host/usrp_e_utils/CMakeLists.txt @@ -28,7 +28,6 @@ IF(ENABLE_USRP_E_UTILS) SET(usrp_e_utils_sources usrp-e-loopback.c - usrp-e-timed.c usrp-e-wb-test.cpp usrp-e-debug-pins.c usrp-e-gpio.c diff --git a/host/usrp_e_utils/common.hpp b/host/usrp_e_utils/common.hpp new file mode 100644 index 000000000..1fc9a1f7b --- /dev/null +++ b/host/usrp_e_utils/common.hpp @@ -0,0 +1,64 @@ +// +// Copyright 2011 Ettus Research LLC +// +// This program 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 of the License, or +// (at your option) any later version. +// +// This program 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 this program. If not, see <http://www.gnu.org/licenses/>. +// + +#include <sys/ioctl.h> //ioctl +#include <fcntl.h> //open, close + +#include <linux/usrp_e.h> +#include "e100_regs.hpp" + +static int fp; + +static int peek16(int reg){ + int ret; + struct usrp_e_ctl16 d; + + d.offset = reg; + d.count = 1; + ret = ioctl(fp, USRP_E_READ_CTL16, &d); + return d.buf[0]; +} + +static void poke16(int reg, int val){ + int ret; + struct usrp_e_ctl16 d; + + d.offset = reg; + d.count = 1; + d.buf[0] = val; + ret = ioctl(fp, USRP_E_WRITE_CTL16, &d); +} + +static int peek32(int reg){ + int ret; + struct usrp_e_ctl32 d; + + d.offset = reg; + d.count = 1; + ret = ioctl(fp, USRP_E_READ_CTL32, &d); + return d.buf[0]; +} + +static void poke32(int reg, int val){ + int ret; + struct usrp_e_ctl32 d; + + d.offset = reg; + d.count = 1; + d.buf[0] = val; + ret = ioctl(fp, USRP_E_WRITE_CTL32, &d); +} diff --git a/host/usrp_e_utils/usrp-e-timed.c b/host/usrp_e_utils/usrp-e-timed.c deleted file mode 100644 index 407564429..000000000 --- a/host/usrp_e_utils/usrp-e-timed.c +++ /dev/null @@ -1,382 +0,0 @@ -#include <stdio.h> -#include <sys/types.h> -#include <sys/time.h> -#include <sys/ioctl.h> -#include <string.h> -#include <fcntl.h> -#include <pthread.h> -#include <stdlib.h> -#include <unistd.h> -#include <stddef.h> -#include <poll.h> -#include <sys/mman.h> -#include "linux/usrp_e.h" - -// max length #define PKT_DATA_LENGTH 1016 -static int packet_data_length; - -struct ring_buffer_info (*rxi)[]; -struct ring_buffer_info (*txi)[]; -__u8 *rx_buf; -__u8 *tx_buf; -static struct usrp_e_ring_buffer_size_t rb_size; - -static int fp; -static u_int32_t crc_tab[256]; - -// CRC code from http://www.koders.com/c/fid699AFE0A656F0022C9D6B9D1743E697B69CE5815.aspx -// GPLv2 - -static u_int32_t chksum_crc32_gentab(void) -{ - unsigned long crc, poly; - unsigned long i, j; - - poly = 0x04C11DB7L; - - for (i = 0; i < 256; i++) { - crc = i; - for (j = 8; j > 0; j--) { - if (crc & 1) { - crc = (crc >> 1) ^ poly; - } else { - crc >>= 1; - } - } - crc_tab[i] = crc; -// printf("crc_tab[%d] = %X\n", i , crc); - } - - return 0; -} - -struct timeval delta_time(struct timeval f, struct timeval s) -{ - struct timeval d; - - if (f.tv_usec > s.tv_usec) { - d.tv_usec = f.tv_usec - s.tv_usec; - d.tv_sec = f.tv_sec - s.tv_sec; - } else { - d.tv_usec = f.tv_usec - s.tv_usec + 1e6; - d.tv_sec = f.tv_sec - s.tv_sec - 1; - } - - return d; -} - - -static void *read_thread(void *threadid) -{ - unsigned int cnt; - int rx_pkt_cnt, rb_read; - unsigned int i; - unsigned long crc, ck_sum; - unsigned int rx_crc, pkt_len, pkt_seq; - unsigned long bytes_transfered; - struct timeval start_time; - unsigned int prev_seq = 0; - int first = 1; - long tid; - __u8 *p; - - - tid = (long)threadid; - printf("Greetings from the reading thread(%ld)!\n", tid); - - // IMPORTANT: must assume max length packet from fpga - - rx_pkt_cnt = 0; - rb_read = 0; - - bytes_transfered = 0; - gettimeofday(&start_time, NULL); - - while (1) { - - while (!((*rxi)[rb_read].flags & RB_USER)) { - struct pollfd pfd; - pfd.fd = fp; - pfd.events = POLLIN; - poll(&pfd, 1, -1); - } - (*rxi)[rb_read].flags = RB_USER_PROCESS; - - rx_pkt_cnt++; - cnt = (*rxi)[rb_read].len; - p = rx_buf + (rb_read * 2048); - - rx_crc = *(int *) &p[cnt-4]; - crc = 0xFFFFFFFF; - ck_sum = 0; - - pkt_len = *(unsigned int *) &p[0]; - pkt_seq = *(unsigned int *) &p[4]; - -// printf("Pkt len = %X, pkt seq = %X, driver len = %X\n", pkt_len, pkt_seq, cnt); - - if (pkt_len != (cnt - 4)) - printf("Packet length check fail, driver len = %ud, content = %ud\n", - cnt, pkt_len); - - if (!first && (pkt_seq != (prev_seq + 1))) - printf("Sequence number check fail, pkt_seq = %ud, prev_seq = %ud\n", - pkt_seq, prev_seq); - first = 0; - prev_seq = pkt_seq; - - for (i = 0; i < cnt-4; i++) { - ck_sum += p[i]; - - crc = ((crc >> 8) & 0x00FFFFFF) ^ - crc_tab[(crc ^ p[i]) & 0xFF]; -//printf("idx = %d, data = %X, crc = %X, ck_sum = %X\n", i, p[i], crc, ck_sum); -// crc = ((crc >> 8) & 0x00FFFFFF) ^ -// crc_tab[(crc ^ p[i+1]) & 0xFF]; -//printf("idx = %d, data = %X, crc = %X\n", i, p[i+1],crc); - } - - (*rxi)[rb_read].flags = RB_KERNEL; - write(fp, NULL, 1); - - if (rx_crc != ck_sum) - printf("Ck_sum eror, calc ck_sum = %lX, rx ck_sum = %X\n", - ck_sum, rx_crc); - -#if 0 - if (rx_crc != (crc & 0xFFFFFFFF)) { - printf("CRC Error, calc crc: %X, rx_crc: %X\n", - (crc & 0xFFFFFFFF), rx_crc); - } -#endif - - rb_read++; - if (rb_read == rb_size.num_rx_frames) - rb_read = 0; - - bytes_transfered += cnt; - - if (bytes_transfered > (100 * 1000000)) { - struct timeval finish_time, d_time; - float elapsed_seconds; - - gettimeofday(&finish_time, NULL); - - printf("sec = %ld, usec = %ld\n", finish_time.tv_sec, finish_time.tv_usec); - - d_time = delta_time(finish_time, start_time); - - elapsed_seconds = (float)d_time.tv_sec + ((float)d_time.tv_usec * 1e-6f); - - printf("Bytes transfered = %ld, elapsed seconds = %f\n", bytes_transfered, elapsed_seconds); - printf("RX data transfer rate = %f K Samples/second\n", - (float) bytes_transfered / (float) elapsed_seconds / 4000); - - - start_time = finish_time; - bytes_transfered = 0; - } - } - return NULL; -} - -static void *write_thread(void *threadid) -{ - int i, tx_pkt_cnt, rb_write; - int tx_len; - unsigned long crc; - unsigned long bytes_transfered; - struct timeval start_time; - unsigned int pkt_seq = 0; - long tid; - __u8 *p; - - tid = (long)threadid; - printf("Greetings from the write thread(%ld)!\n", tid); - - rb_write = 0; - tx_pkt_cnt = 0; - - bytes_transfered = 0; - gettimeofday(&start_time, NULL); - - while (1) { - - tx_pkt_cnt++; - p = tx_buf + (rb_write * 2048); - -// printf("p = %p\n", p); - - if (packet_data_length > 0) - tx_len = packet_data_length; - else - tx_len = (random() & 0x1ff) + (2044 - 512); - -#if 0 - if (tx_pkt_cnt == 512) { - printf("."); - fflush(stdout); - } - if (tx_pkt_cnt == 1024) { - printf("'"); - fflush(stdout); - } - if (tx_pkt_cnt == 1536) { - printf(":"); - fflush(stdout); - tx_pkt_cnt = 0; - } -#endif - -// printf("Checking for space at rb entry = %d\n", rb_write); - while (!((*txi)[rb_write].flags & RB_KERNEL)) { - struct pollfd pfd; - pfd.fd = fp; - pfd.events = POLLOUT; - poll(&pfd, 1, -1); - } -// printf("Got space\n"); - - for (i=8; i < tx_len-4; i++) { - p[i] = i & 0xFF; - } - - *(unsigned int *) &p[0] = tx_len-4; - *(unsigned int *) &p[4] = pkt_seq; - - pkt_seq++; - - crc = 0xFFFFFFFF; - for (i = 0; i < tx_len-4; i++) { -// printf("%X ", p[i]); - crc = ((crc >> 8) & 0x00FFFFFF) ^ - crc_tab[(crc ^ p[i]) & 0xFF]; - - } - *(unsigned int *) &p[tx_len-4] = crc; -// printf("\n crc = %lX\n", crc); - - (*txi)[rb_write].len = tx_len; - (*txi)[rb_write].flags = RB_USER; - - rb_write++; - if (rb_write == rb_size.num_tx_frames) - rb_write = 0; - - bytes_transfered += tx_len; - - if (bytes_transfered > (100 * 1000000)) { - struct timeval finish_time, d_time; - float elapsed_seconds; - - gettimeofday(&finish_time, NULL); - - d_time = delta_time(finish_time, start_time); - - elapsed_seconds = (float)d_time.tv_sec + ((float)d_time.tv_usec * 1e-6f); - - printf("Bytes transfered = %ld, elapsed seconds = %f\n", bytes_transfered, elapsed_seconds); - printf("TX data transfer rate = %f K Samples/second\n", - (float) bytes_transfered / (float) elapsed_seconds / 4000); - - - start_time = finish_time; - bytes_transfered = 0; - } - -// sleep(1); - } - return NULL; -} - - -int main(int argc, char *argv[]) -{ - pthread_t tx, rx; - long int t=0; - int fpga_config_flag ,decimation; - int ret, map_size, page_size; - void *rb; - - struct usrp_e_ctl16 d; - struct sched_param s = { - .sched_priority = 1 - }; - - if (argc < 4) { - printf("%s r|w|rw decimation data_size\n", argv[0]); - return -1; - } - - chksum_crc32_gentab(); - - decimation = atoi(argv[2]); - packet_data_length = atoi(argv[3]); - - fp = open("/dev/usrp_e0", O_RDWR); - printf("fp = %d\n", fp); - - page_size = getpagesize(); - - ret = ioctl(fp, USRP_E_GET_RB_INFO, &rb_size); - - map_size = (rb_size.num_pages_rx_flags + rb_size.num_pages_tx_flags) * page_size + - (rb_size.num_rx_frames + rb_size.num_tx_frames) * (page_size >> 1); - - rb = mmap(0, map_size, PROT_READ|PROT_WRITE, MAP_SHARED, fp, 0); - if (rb == MAP_FAILED) { - perror("mmap failed"); - return -1; - } - - printf("rb = %p\n", rb); - - rxi = rb; - rx_buf = rb + (rb_size.num_pages_rx_flags * page_size); - txi = rb + (rb_size.num_pages_rx_flags * page_size) + - (rb_size.num_rx_frames * page_size >> 1); - tx_buf = rb + (rb_size.num_pages_rx_flags * page_size) + - (rb_size.num_rx_frames * page_size >> 1) + - (rb_size.num_pages_tx_flags * page_size); - - fpga_config_flag = (1<<8); - if (strcmp(argv[1], "w") == 0) - fpga_config_flag |= (1 << 11); - else if (strcmp(argv[1], "r") == 0) - fpga_config_flag |= (1 << 10); - else if (strcmp(argv[1], "rw") == 0) - fpga_config_flag |= ((1 << 10) | (1 << 11)); - - fpga_config_flag |= decimation; - - d.offset = 14; - d.count = 1; - d.buf[0] = fpga_config_flag; - ioctl(fp, USRP_E_WRITE_CTL16, &d); - - sleep(1); // in case the kernel threads need time to start. FIXME if so - - sched_setscheduler(0, SCHED_RR, &s); - - if (fpga_config_flag & (1 << 10)) { - if (pthread_create(&rx, NULL, read_thread, (void *) t)) { - printf("Failed to create rx thread\n"); - exit(-1); - } - } - - sleep(1); - - if (fpga_config_flag & (1 << 11)) { - if (pthread_create(&tx, NULL, write_thread, (void *) t)) { - printf("Failed to create tx thread\n"); - exit(-1); - } - } - - sleep(10000); - - printf("Done sleeping\n"); - - return 0; -} diff --git a/host/usrp_e_utils/usrp-e-wb-test.cpp b/host/usrp_e_utils/usrp-e-wb-test.cpp index eab4caede..2b793dc06 100644 --- a/host/usrp_e_utils/usrp-e-wb-test.cpp +++ b/host/usrp_e_utils/usrp-e-wb-test.cpp @@ -15,61 +15,14 @@ // along with this program. If not, see <http://www.gnu.org/licenses/>. // +#include "common.hpp" #include <cstdlib> #include <cstdio> #include <ctime> #include <iostream> -#include <sys/ioctl.h> //ioctl -#include <fcntl.h> //open, close - -#include <linux/usrp_e.h> -#include "e100_regs.hpp" - static const size_t num_test_iters = 10000000; -static int fp; - -static int peek16(int reg){ - int ret; - struct usrp_e_ctl16 d; - - d.offset = reg; - d.count = 1; - ret = ioctl(fp, USRP_E_READ_CTL16, &d); - return d.buf[0]; -} - -static void poke16(int reg, int val){ - int ret; - struct usrp_e_ctl16 d; - - d.offset = reg; - d.count = 1; - d.buf[0] = val; - ret = ioctl(fp, USRP_E_WRITE_CTL16, &d); -} - -static int peek32(int reg){ - int ret; - struct usrp_e_ctl32 d; - - d.offset = reg; - d.count = 1; - ret = ioctl(fp, USRP_E_READ_CTL32, &d); - return d.buf[0]; -} - -static void poke32(int reg, int val){ - int ret; - struct usrp_e_ctl32 d; - - d.offset = reg; - d.count = 1; - d.buf[0] = val; - ret = ioctl(fp, USRP_E_WRITE_CTL32, &d); -} - int main(int, char *[]){ srandom(time(NULL)); //seed random() |