103 lines
3.5 KiB
C
103 lines
3.5 KiB
C
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/****************************************************************************
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* drivers/ioexpander/icjx.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __DRIVERS_IOEXPANDER_ICJX_H
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#define __DRIVERS_IOEXPANDER_ICJX_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/mutex.h>
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#if defined(CONFIG_IOEXPANDER) && defined(CONFIG_IOEXPANDER_ICJX)
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* Prerequisites:
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* CONFIG_SPI
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* SPI support is required
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* CONFIG_IOEXPANDER
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* Enables I/O expander support
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*
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* CONFIG_IOEXPANDER_ICJX
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* Enables support for the ICJX driver (Needs CONFIG_INPUT)
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* CONFIG_ICJX_MULTIPLE
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* Can be defined to support multiple ICJX devices on board.
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*/
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#ifndef CONFIG_SPI
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# error "CONFIG_SPI is required by ICJX"
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#endif
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/* iC-JX Registers **********************************************************/
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#define ICJX_INPUT_A 0x00
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#define ICJX_INPUT_B 0x01
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#define ICJX_CHNG_MSG_A 0x02
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#define ICJX_CNNG_MSG_B 0x03
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#define ICJX_INT_STATUS_A 0x04
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#define ICJX_INT_STATUS_B 0x05
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#define ICJX_OVERCURR_MSG_A 0x06
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#define ICJX_OVERCURR_MSG_B 0x07
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#define ICJX_OVERCURR_STATUS_A 0x08
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#define ICJX_OVERCURR_STATUS_B 0x09
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#define ICJX_ADC_DATA_1 0x0A
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#define ICJX_ADC_DATA_2 0x0B
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#define ICJX_OUTPUT_A 0x0C
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#define ICJX_OUTPUT_B 0x0D
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#define ICJX_FLASH_PULSE_A 0x0E
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#define ICJX_FLASH_PULSE_B 0x0F
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#define ICJX_CHNG_INT_EN_A 0x10
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#define ICJX_CHNG_INT_EN_B 0x11
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#define ICJX_OVERCURR_INT_EN_A 0x12
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#define ICJX_OVERCURR_INT_EN_B 0x13
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#define ICJX_CTRL_WORD_1_A 0x14
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#define ICJX_CTRL_WORD_1_B 0x15
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#define ICJX_CTRL_WORD_2_A 0x16
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#define ICJX_CTRL_WORD_2_B 0x17
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#define ICJX_CTRL_WORD_3_A 0x18
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#define ICJX_CTRL_WORD_3_B 0x19
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#define ICJX_CTRL_WORD_4 0x1A
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#define ICJX_CTRL_WORD_5 0x1B
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#define ICJX_CTRL_WORD_6 0x1C
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#define ICJX_DEV_ID 0x1D
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#define ICJX_TEST_1 0x1E
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#define ICJX_TEST_2 0x1F
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/* Control Word 1 */
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#define ICJX_CTRL_WORD_1_BYP0 (1 << 3)
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#define ICJX_CTRL_WORD_1_BYP1 (1 << 7)
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/* Control Word 2 */
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#define ICJX_CTRL_WORD_2_NIOL (1 << 3)
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#define ICJX_CTRL_WORD_2_NIOH (1 << 7)
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#endif /* CONFIG_IOEXPANDER && CONFIG_IOEXPANDER_ICJX */
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#endif /* __DRIVERS_IOEXPANDER_ICJX_H */
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