113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
/** @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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void opamp_enable(uint32_t base)
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{
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OPAMP_CSR(base) |= OPAMP_CSR_EN;
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}
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void opamp_disable(uint32_t base)
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{
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OPAMP_CSR(base) &= ~OPAMP_CSR_EN;
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}
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void opamp_lock(uint32_t base)
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{
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OPAMP_CSR(base) |= OPAMP_CSR_LOCK;
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}
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void opamp_set_calsel(uint32_t base, uint32_t calsel)
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{
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OPAMP_CSR(base) &= ~(OPAMP_CSR_CALSEL_MASK << OPAMP_CSR_CALSEL_SHIFT);
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OPAMP_CSR(base) |= calsel << OPAMP_CSR_CALSEL_SHIFT;
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}
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void opamp_force_vp_enable(uint32_t base)
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{
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OPAMP_CSR(base) |= OPAMP_CSR_FORCE_VP;
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}
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void opamp_force_vp_disable(uint32_t base)
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{
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OPAMP_CSR(base) &= ~OPAMP_CSR_FORCE_VP;
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}
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void opamp_cal_enable(uint32_t base)
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{
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OPAMP_CSR(base) |= OPAMP_CSR_CALON;
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}
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void opamp_cal_disable(uint32_t base)
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{
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OPAMP_CSR(base) &= ~OPAMP_CSR_CALON;
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}
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void opamp_trimoffsetn_set(uint32_t base, uint32_t trim)
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{
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OPAMP_CSR(base) &= ~(OPAMP_CSR_TRIMOFFSETN_MASK
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<< OPAMP_CSR_TRIMOFFSETN_SHIFT);
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OPAMP_CSR(base) |= trim << OPAMP_CSR_TRIMOFFSETN_SHIFT;
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}
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void opamp_trimoffsetp_set(uint32_t base, uint32_t trim)
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{
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OPAMP_CSR(base) &= ~(OPAMP_CSR_TRIMOFFSETP_MASK
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<< OPAMP_CSR_TRIMOFFSETP_SHIFT);
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OPAMP_CSR(base) |= trim << OPAMP_CSR_TRIMOFFSETP_SHIFT;
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}
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void opamp_user_trim_enable(uint32_t base)
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{
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OPAMP_CSR(base) |= OPAMP_CSR_USER_TRIM;
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}
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void opamp_user_trim_disable(uint32_t base)
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{
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OPAMP_CSR(base) &= ~OPAMP_CSR_USER_TRIM;
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}
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void opamp_pga_gain_select(uint32_t base, uint32_t gain)
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{
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OPAMP_CSR(base) &= ~(OPAMP_CSR_PGA_GAIN_MASK
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<< OPAMP_CSR_PGA_GAIN_SHIFT);
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OPAMP_CSR(base) |= gain << OPAMP_CSR_PGA_GAIN_SHIFT;
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}
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void opamp_vp_select(uint32_t base, uint32_t vp)
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{
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OPAMP_CSR(base) &= ~(OPAMP_CSR_VP_SEL_MASK
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<< OPAMP_CSR_VP_SEL_SHIFT);
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OPAMP_CSR(base) |= vp << OPAMP_CSR_VP_SEL_SHIFT;
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}
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void opamp_vm_select(uint32_t base, uint32_t vm)
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{
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OPAMP_CSR(base) &= ~(OPAMP_CSR_VM_SEL_MASK
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<< OPAMP_CSR_VM_SEL_SHIFT);
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OPAMP_CSR(base) |= vm << OPAMP_CSR_VM_SEL_SHIFT;
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}
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/**@}*/
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