111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
/** @defgroup comp_defines COMP Defines
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*
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* @brief <b>libopencm3 Defined Constants and Types for the STM32F0xx
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* Comparator module</b>
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*
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* @ingroup STM32F0xx_defines
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*
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* @version 1.0.0
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*
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* @date 29 Jun 2013
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*
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*LGPL License Terms @ref lgpl_license
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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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* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
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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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#ifndef LIBOPENCM3_COMP_H
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#define LIBOPENCM3_COMP_H
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#include <libopencm3/cm3/common.h>
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#include <libopencm3/stm32/memorymap.h>
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/* USART Registers ----------------------------------------------------------*/
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#define COMP1 0
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#define COMP2 1
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#define COMP_CSR(i) MMIO16(SYSCFG_COMP_BASE + 0x1c + (i)*2)
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#define COMP_CSR1 COMP_CSR(COMP1)
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#define COMP_CSR2 COMP_CSR(COMP2)
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/* Register values ----------------------------------------------------------*/
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/* COMP_CSR Values ----------------------------------------------------------*/
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#define COMP_CSR_LOCK (1 << 15)
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#define COMP_CSR_OUT (1 << 14)
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#define COMP_CSR_HYST_SHIFT 12
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#define COMP_CSR_HYST (3 << COMP_CSR_HYST_SHIFT)
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#define COMP_CSR_HYST_NO (0 << COMP_CSR_HYST_SHIFT)
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#define COMP_CSR_HYST_LOW (1 << COMP_CSR_HYST_SHIFT)
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#define COMP_CSR_HYST_MED (2 << COMP_CSR_HYST_SHIFT)
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#define COMP_CSR_HYST_HIGH (3 << COMP_CSR_HYST_SHIFT)
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#define COMP_CSR_POL (1 << 11)
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#define COMP_CSR_OUTSEL_SHIFT 8
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#define COMP_CSR_OUTSEL (7 << COMP_CSR_OUTSEL_SHIFT)
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#define COMP_CSR_OUTSEL_NONE (0 << COMP_CSR_OUTSEL_SHIFT)
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#define COMP_CSR_OUTSEL_TIM1_BRK (1 << COMP_CSR_OUTSEL_SHIFT)
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#define COMP_CSR_OUTSEL_TIM1_IC1 (2 << COMP_CSR_OUTSEL_SHIFT)
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#define COMP_CSR_OUTSEL_TIM1_OCRCLR (3 << COMP_CSR_OUTSEL_SHIFT)
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#define COMP_CSR_OUTSEL_TIM2_IC4 (4 << COMP_CSR_OUTSEL_SHIFT)
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#define COMP_CSR_OUTSEL_TIM2_OCRCLR (5 << COMP_CSR_OUTSEL_SHIFT)
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#define COMP_CSR_OUTSEL_TIM3_IC1 (6 << COMP_CSR_OUTSEL_SHIFT)
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#define COMP_CSR_OUTSEL_TIM3_OCRCLR (7 << COMP_CSR_OUTSEL_SHIFT)
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#define COMP_CSR_WINDWEN (1 << 23)
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#define COMP_CSR_INSEL_SHIFT 4
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#define COMP_CSR_INSEL (7 << COMP_CSR_INSEL_SHIFT)
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#define COMP_CSR_INSEL_1_4_VREFINT (0 << COMP_CSR_INSEL_SHIFT)
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#define COMP_CSR_INSEL_2_4_VREFINT (1 << COMP_CSR_INSEL_SHIFT)
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#define COMP_CSR_INSEL_3_4_VREFINT (2 << COMP_CSR_INSEL_SHIFT)
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#define COMP_CSR_INSEL_4_4_VREFINT (3 << COMP_CSR_INSEL_SHIFT)
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#define COMP_CSR_INSEL_VREFINT (3 << COMP_CSR_INSEL_SHIFT)
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#define COMP_CSR_INSEL_INM4 (4 << COMP_CSR_INSEL_SHIFT)
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#define COMP_CSR_INSEL_INM5 (5 << COMP_CSR_INSEL_SHIFT)
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#define COMP_CSR_INSEL_INM6 (6 << COMP_CSR_INSEL_SHIFT)
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#define COMP_CSR_SPEED_SHIFT 2
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#define COMP_CSR_SPEED (3 << COMP_CSR_SPEED_SHIFT)
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#define COMP_CSR_SPEED_HIGH (0 << COMP_CSR_SPEED_SHIFT)
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#define COMP_CSR_SPEED_MED (1 << COMP_CSR_SPEED_SHIFT)
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#define COMP_CSR_SPEED_LOW (2 << COMP_CSR_SPEED_SHIFT)
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#define COMP_CSR_SPEED_VERYLOW (3 << COMP_CSR_SPEED_SHIFT)
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#define COMP_CSR_SW1 (1 << 1)
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#define COMP_CSR_EN (1 << 0)
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/* API values ---------------------------------------------------------------*/
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BEGIN_DECLS
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void comp_enable(uint8_t id);
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void comp_disable(uint8_t id);
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void comp_select_input(uint8_t id, uint32_t input);
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void comp_select_output(uint8_t id, uint32_t output);
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void comp_select_hyst(uint8_t id, uint32_t hyst);
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void comp_select_speed(uint8_t id, uint32_t speed);
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END_DECLS
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#endif
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