stm32f4-nucleo-test/libopencm3/lib/stm32/common/opamp_common_v2.c
Arti Zirk 2de3a91b0a git subrepo clone https://github.com/libopencm3/libopencm3.git
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  subdir:   "libopencm3"
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2023-01-21 18:31:08 +02:00

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1.3 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_calout(uint32_t base)
{
return (OPAMP_CSR(base) >> OPAMP_CSR_CALOUT_SHIFT) &
OPAMP_CSR_CALOUT_MASK;
}
void opamp_high_speed_mode_enable(uint32_t base)
{
OPAMP_CSR(base) |= OPAMP_CSR_OPAHSM;
}
void opamp_high_speed_mode_disable(uint32_t base)
{
OPAMP_CSR(base) &= ~OPAMP_CSR_OPAHSM;
}
void opamp_output_set_internal(uint32_t base)
{
OPAMP_CSR(base) |= OPAMP_CSR_OPAINTOEN;
}
void opamp_output_set_external(uint32_t base)
{
OPAMP_CSR(base) &= ~OPAMP_CSR_OPAINTOEN;
}
/**@}*/