usbtest/libopencm3/lib/stm32/common/opamp_common_v1.c
Arti Zirk 244fdbc35c git subrepo clone https://github.com/libopencm3/libopencm3
subrepo:
  subdir:   "libopencm3"
  merged:   "f5813a54"
upstream:
  origin:   "https://github.com/libopencm3/libopencm3"
  branch:   "master"
  commit:   "f5813a54"
git-subrepo:
  version:  "0.4.3"
  origin:   "???"
  commit:   "???"
2021-09-30 16:34:10 +03:00

57 lines
1.5 KiB
C

/** @addtogroup opamp_file OPAMP peripheral API
* @ingroup peripheral_apis
*/
/*
* This file is part of the libopencm3 project.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/**@{*/
#include <libopencm3/stm32/opamp.h>
bool opamp_read_outcal(uint32_t base)
{
return (OPAMP_CSR(base) >> OPAMP_CSR_OUTCAL_SHIFT)
& OPAMP_CSR_OUTCAL_MASK;
}
void opamp_tcm_enable(uint32_t base)
{
OPAMP_CSR(base) |= OPAMP_CSR_TCM_EN;
}
void opamp_tcm_disable(uint32_t base)
{
OPAMP_CSR(base) &= ~OPAMP_CSR_TCM_EN;
}
void opamp_vps_select(uint32_t base, uint32_t vps)
{
OPAMP_CSR(base) &= ~(OPAMP_CSR_VPS_SEL_MASK
<< OPAMP_CSR_VPS_SEL_SHIFT);
OPAMP_CSR(base) |= vps << OPAMP_CSR_VPS_SEL_SHIFT;
}
void opamp_vms_select(uint32_t base, uint32_t vms)
{
OPAMP_CSR(base) &= ~(OPAMP_CSR_VMS_SEL_MASK
<< OPAMP_CSR_VMS_SEL_SHIFT);
OPAMP_CSR(base) |= vms << OPAMP_CSR_VMS_SEL_SHIFT;
}
/**@}*/