| /* |
| * Copyright (c) 2016, Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. Neither the name of the Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL CORPORATION OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __QM_COMPARATOR_H__ |
| #define __QM_COMPARATOR_H__ |
| |
| #include "qm_common.h" |
| #include "qm_soc_regs.h" |
| |
| /** |
| * Analog Comparator. |
| * |
| * @defgroup groupAC Analog Comparator |
| * @{ |
| */ |
| |
| /** |
| * Analog Comparator configuration type. |
| * |
| * Each bit in the registers controls a single Analog Comparator pin. |
| */ |
| typedef struct { |
| uint32_t int_en; /**< Interrupt enable. */ |
| uint32_t reference; /**< Reference voltage, 1b: VREF; 0b: AR_PIN. */ |
| uint32_t polarity; /**< 0b: input>ref; 1b: input<ref */ |
| uint32_t power; /**< 1b: Normal mode; 0b:Power-down/Shutdown mode */ |
| |
| /** |
| * Transfer callback. |
| * |
| * @param[in] data Callback user data. |
| * @param[in] status Comparator interrupt status. |
| */ |
| void (*callback)(void *data, uint32_t int_status); |
| void *callback_data; /**< Callback user data. */ |
| } qm_ac_config_t; |
| |
| /** |
| * Set Analog Comparator configuration. |
| * |
| * @param[in] config Analog Comparator configuration. This must not be NULL. |
| * |
| * @return Standard errno return type for QMSI. |
| * @retval 0 on success. |
| * @retval Negative @ref errno for possible error codes. |
| */ |
| int qm_ac_set_config(const qm_ac_config_t *const config); |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* __QM_COMPARATOR_H__ */ |