diff options
Diffstat (limited to 'firmware/usrp2/lib/mdelay.c')
-rw-r--r-- | firmware/usrp2/lib/mdelay.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/firmware/usrp2/lib/mdelay.c b/firmware/usrp2/lib/mdelay.c new file mode 100644 index 000000000..8f9b14112 --- /dev/null +++ b/firmware/usrp2/lib/mdelay.c @@ -0,0 +1,31 @@ +/* -*- c -*- */ +/* + * Copyright 2007 Free Software Foundation, Inc. + * + * 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 "mdelay.h" +#include "memory_map.h" + +void mdelay(int ms){ + if (hwconfig_simulation_p()) return; + for(int i = 0; i < ms; i++){ + static const uint32_t num_ticks = MASTER_CLK_RATE/1000; + const uint32_t ticks_begin = router_status->time64_ticks_rb; + while((router_status->time64_ticks_rb - ticks_begin) < num_ticks){ + /*NOP*/ + } + } +} |