diff options
| author | Philip Balister <philip@opensdr.com> | 2010-09-21 13:33:51 +0000 |
|---|---|---|
| committer | root <root@usrp-embedded.lan> | 2010-09-21 15:06:00 +0000 |
| commit | d4a80a2b93a13dc371ef100df962ba99c53a9bb9 (patch) | |
| tree | 41f2d75c571e0e5b81eb5edb2a2f0f896b058f71 | |
| parent | 7888b861d51fc612abe4c28a2f05c83df7ec1cb1 (diff) | |
| download | uhd-d4a80a2b93a13dc371ef100df962ba99c53a9bb9.tar.gz uhd-d4a80a2b93a13dc371ef100df962ba99c53a9bb9.tar.bz2 uhd-d4a80a2b93a13dc371ef100df962ba99c53a9bb9.zip | |
Fix ring buffer size calculation.
| -rw-r--r-- | host/apps/omap_debug/usrp-e-mm-loopback.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/host/apps/omap_debug/usrp-e-mm-loopback.c b/host/apps/omap_debug/usrp-e-mm-loopback.c index 7a1747f9b..71519d535 100644 --- a/host/apps/omap_debug/usrp-e-mm-loopback.c +++ b/host/apps/omap_debug/usrp-e-mm-loopback.c @@ -194,18 +194,18 @@ int main(int argc, char *argv[]) fp = open("/dev/usrp_e0", O_RDWR); printf("fp = %d\n", fp); - rb = mmap(0, 202 * 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fp, 0); + rb = mmap(0, 102 * 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fp, 0); if (rb == MAP_FAILED) { perror("mmap failed"); - exit; + return -1; } printf("rb = %X\n", rb); rxi = rb; rx_buf = rb + 4096; - txi = rb + 4096 + 4096 * 200; - tx_buf = rb + 4096 * 2 + 4096 * 200; + txi = rb + 4096 + 4096 * 100; + tx_buf = rb + 4096 * 2 + 4096 * 100; printf("rxi = %X, rx_buf = %X, txi = %X, tx_buf = %X\n", rxi, rx_buf, txi, tx_buf); |