diff options
Diffstat (limited to 'src/stm/ao_profile.h')
| -rw-r--r-- | src/stm/ao_profile.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/stm/ao_profile.h b/src/stm/ao_profile.h new file mode 100644 index 00000000..f7dd029d --- /dev/null +++ b/src/stm/ao_profile.h @@ -0,0 +1,34 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * 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; version 2 of the License. + * + * 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, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_PROFILE_H_ +#define _AO_PROFILE_H_ + +void ao_profile_init(); + +static uint32_t inline ao_profile_tick(void) { + uint16_t hi, lo, second_hi; + + do { + hi = stm_tim2.cnt; + lo = stm_tim4.cnt; + second_hi = stm_tim2.cnt; + } while (hi != second_hi); + return ((uint32_t) hi << 16) | lo; +} + +#endif |