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53 lines
1.3 KiB
53 lines
1.3 KiB
3 months ago
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/** @addtogroup opamp_file OPAMP peripheral API
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* @ingroup peripheral_apis
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*/
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/*
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* This file is part of the libopencm3 project.
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**@{*/
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#include <libopencm3/stm32/opamp.h>
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bool opamp_read_calout(uint32_t base)
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{
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return (OPAMP_CSR(base) >> OPAMP_CSR_CALOUT_SHIFT) &
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OPAMP_CSR_CALOUT_MASK;
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}
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void opamp_high_speed_mode_enable(uint32_t base)
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{
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OPAMP_CSR(base) |= OPAMP_CSR_OPAHSM;
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}
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void opamp_high_speed_mode_disable(uint32_t base)
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{
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OPAMP_CSR(base) &= ~OPAMP_CSR_OPAHSM;
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}
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void opamp_output_set_internal(uint32_t base)
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{
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OPAMP_CSR(base) |= OPAMP_CSR_OPAINTOEN;
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}
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void opamp_output_set_external(uint32_t base)
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{
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OPAMP_CSR(base) &= ~OPAMP_CSR_OPAINTOEN;
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}
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/**@}*/
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