opamp_common_v2.h

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/** @addtogroup opamp_defines
 *
 * @date 10 Dec 2020
 *
 *LGPL License Terms @ref lgpl_license
 */
/*
 * 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/>.
 */
 
/** @cond */
#if defined(LIBOPENCM3_OPAMP_H)
/** @endcond */
#ifndef LIBOPENCM3_OPAMP_COMMON_V2_H
#define LIBOPENCM3_OPAMP_COMMON_V2_H
/**@{*/
 
#include <libopencm3/stm32/common/opamp_common_all.h>
 
/* OpAmp registers */
 
/* Timer controlled mode register (OPAMPx_TMCR) */
#define OPAMP_TCMR(opamp_base)          MMIO32((opamp_base) + 0x18)
 
/* OPAMPx_CSR values */
 
#define OPAMP_CSR_CALOUT_MASK           (0x1)
#define OPAMP_CSR_CALOUT_SHIFT          (30)
#define OPAMP_CSR_CALOUT_UNSUCC         (0x0)
#define OPAMP_CSR_CALOUT_SUCC           (0x1)
 
#define OPAMP_CSR_PGA_GAIN_MASK         (0x1f)
#define OPAMP_CSR_PGA_GAIN_SHIFT        (14)
 
/* Non-inverting gain*/
#define OPAMP_CSR_PGA_GAIN_2                                    (0x00)
#define OPAMP_CSR_PGA_GAIN_4                                    (0x01)
#define OPAMP_CSR_PGA_GAIN_8                                    (0x02)
#define OPAMP_CSR_PGA_GAIN_16                                   (0x03)
#define OPAMP_CSR_PGA_GAIN_32                                   (0x04)
#define OPAMP_CSR_PGA_GAIN_64                                   (0x05)
/* Inverting gain -n/non-inverting gain y with VINM0 pin for input bias */
#define OPAMP_CSR_PGA_INV_GAIN_MINUS_1_GAIN_2_VM0               (0x08)
#define OPAMP_CSR_PGA_INV_GAIN_MINUS_3_GAIN_4_VM0               (0x09)
#define OPAMP_CSR_PGA_INV_GAIN_MINUS_7_GAIN_8_VM0               (0x0A)
#define OPAMP_CSR_PGA_INV_GAIN_MINUS_15_GAIN_16_VM0             (0x0B)
#define OPAMP_CSR_PGA_INV_GAIN_MINUS_31_GAIN_32_VM0             (0x0C)
#define OPAMP_CSR_PGA_INV_GAIN_MINUS_63_GAIN_64_VM0             (0x0D)
/* Non-inverting gain with filtering on VINM0 */
#define OPAMP_CSR_PGA_FILT_VM0_GAIN_2                           (0x10)
#define OPAMP_CSR_PGA_FILT_VM0_GAIN_4                           (0x11)
#define OPAMP_CSR_PGA_FILT_VM0_GAIN_8                           (0x12)
#define OPAMP_CSR_PGA_FILT_VM0_GAIN_16                          (0x13)
#define OPAMP_CSR_PGA_FILT_VM0_GAIN_32                          (0x14)
#define OPAMP_CSR_PGA_FILT_VM0_GAIN_64                          (0x15)
/* Inverting gain -x/non-inverting gain y with VINM0 pin for input bias
 * VINM1 for filtering*/
#define OPAMP_CSR_PGA_FILT_VM1_INV_GAIN_MINUS_1_GAIN_2_VM0      (0x18)
#define OPAMP_CSR_PGA_FILT_VM1_INV_GAIN_MINUS_3_GAIN_4_VM0      (0x19)
#define OPAMP_CSR_PGA_FILT_VM1_INV_GAIN_MINUS_7_GAIN_8_VM0      (0x1a)
#define OPAMP_CSR_PGA_FILT_VM1_INV_GAIN_MINUS_15_GAIN_16_VM0    (0x1B)
#define OPAMP_CSR_PGA_FILT_VM1_INV_GAIN_MINUS_31_GAIN_32_VM0    (0x1c)
#define OPAMP_CSR_PGA_FILT_VM1_INV_GAIN_MINUS_63_GAIN_64_VM0    (0x1d)
 
#define OPAMP_CSR_OPAINTOEN             (0x1 << 8)
 
#define OPAMP_CSR_OPAHSM                (0x1 << 7)
 
#define OPAMP_CSR_VM_SEL_VINM0_IN       (0x0)
#define OPAMP_CSR_VM_SEL_VINM1_IN       (0x1)
#define OPAMP_CSR_VM_SEL_PGA_MODE       (0x2)
#define OPAMP_CSR_VM_SEL_OUT_IN         (0x3)
 
#define OPAMP_CSR_USER_TRIM             (0x1 << 4)
 
#define OPAMP_CSR_VP_SEL_VINP0          (0x0)
#define OPAMP_CSR_VP_SEL_VINP1          (0x1)
#define OPAMP_CSR_VP_SEL_VINP2          (0x2)
 
BEGIN_DECLS
 
bool opamp_read_calout(uint32_t base);
 
void opamp_high_speed_mode_enable(uint32_t base);
void opamp_high_speed_mode_disable(uint32_t base);
 
void opamp_output_set_internal(uint32_t base);
void opamp_output_set_external(uint32_t base);
 
END_DECLS
/**@}*/
 
#endif
/** @cond */
#else
#warning "opamp_common_v2.h should not be included directly, only via opamp.h"
#endif
/** @endcond */