lib: Add hc32f460 definitions
Signed-off-by: Steven Gotthardt <gotthardt@gmail.com>
This commit is contained in:
Steven Gotthardt
committed by
Kevin O'Connor
Kevin O'Connor
parent
1e7057e917
commit
94cbf5ff48
203
lib/hc32f460/driver/src/hc32f460_keyscan.c
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203
lib/hc32f460/driver/src/hc32f460_keyscan.c
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/*******************************************************************************
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* Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
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*
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* This software component is licensed by HDSC under BSD 3-Clause license
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* (the "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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* opensource.org/licenses/BSD-3-Clause
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*/
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/******************************************************************************/
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/** \file hc32f460_keyscan.c
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**
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** A detailed description is available at
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** @link KeyscanGroup Keyscan module description @endlink
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**
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** - 2018-10-17 CDT First version for Device Driver Library of keyscan.
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**
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******************************************************************************/
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/*******************************************************************************
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* Include files
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******************************************************************************/
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#include "hc32f460_keyscan.h"
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#include "hc32f460_utility.h"
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/**
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*******************************************************************************
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** \addtogroup KeyscanGroup
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******************************************************************************/
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//@{
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/*******************************************************************************
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* Local type definitions ('typedef')
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******************************************************************************/
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/*******************************************************************************
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* Local pre-processor symbols/macros ('#define')
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******************************************************************************/
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/*! Parameter validity check for Hiz cycle */
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#define IS_VALID_HIZ_CLCYE(x) \
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( ((x) == Hiz4) || \
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((x) == Hiz8) || \
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((x) == Hiz16) || \
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((x) == Hiz32) || \
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((x) == Hiz64) || \
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((x) == Hiz256) || \
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((x) == Hiz512) || \
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((x) == Hiz1K))
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/*! Parameter validity check for Low cycle */
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#define IS_VALID_LOW_CLCYE(x) \
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( ((x) == Low8) || \
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((x) == Low16) || \
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((x) == Low32) || \
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((x) == Low64) || \
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((x) == Low128) || \
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((x) == Low256) || \
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((x) == Low512) || \
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((x) == Low1K) || \
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((x) == Low2K) || \
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((x) == Low4K) || \
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((x) == Low8K) || \
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((x) == Low16K) || \
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((x) == Low32K) || \
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((x) == Low64K) || \
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((x) == Low128K) || \
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((x) == Low256K) || \
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((x) == Low512K) || \
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((x) == Low1M) || \
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((x) == Low2M) || \
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((x) == Low4M) || \
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((x) == Low8M) || \
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((x) == Low16M))
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/*! Parameter validity check for scan clock */
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#define IS_VALID_SCAN_CLK(x) \
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( ((x) == KeyscanHclk) || \
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((x) == KeyscanLrc) || \
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((x) == KeyscanXtal32))
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/*! Parameter validity check for keyout selection */
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#define IS_VALID_KEY_OUT(x) \
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( ((x) == Keyout0To1) || \
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((x) == Keyout0To2) || \
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((x) == Keyout0To3) || \
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((x) == Keyout0To4) || \
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((x) == Keyout0To5) || \
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((x) == Keyout0To6) || \
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((x) == Keyout0To7))
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/*******************************************************************************
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* Global variable definitions (declared in header file with 'extern')
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******************************************************************************/
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/*******************************************************************************
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* Local function prototypes ('static')
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******************************************************************************/
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/*******************************************************************************
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* Local variable definitions ('static')
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******************************************************************************/
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/*******************************************************************************
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* Function implementation - global ('extern') and local ('static')
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******************************************************************************/
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/**
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*******************************************************************************
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** \brief KEYSCAN initialization
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**
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** \param [in] pstcKeyscanConfig KEYSCAN configure structure
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**
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** \retval Ok KEYSCAN initialized
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** ErrorInvalidMode Uninitialized, cannot configure it properly
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**
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******************************************************************************/
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en_result_t KEYSCAN_Init(const stc_keyscan_config_t *pstcKeyscanConfig)
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{
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en_result_t enRet = Ok;
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DDL_ASSERT(IS_VALID_HIZ_CLCYE(pstcKeyscanConfig->enHizCycle));
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DDL_ASSERT(IS_VALID_LOW_CLCYE(pstcKeyscanConfig->enLowCycle));
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DDL_ASSERT(IS_VALID_SCAN_CLK(pstcKeyscanConfig->enKeyscanClk));
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DDL_ASSERT(IS_VALID_KEY_OUT(pstcKeyscanConfig->enKeyoutSel));
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/* cannot configure keyscan control register when running */
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if (Set == M4_KEYSCAN->SER_f.SEN)
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{
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enRet = ErrorInvalidMode;
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}
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else
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{
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M4_KEYSCAN->SCR_f.T_HIZ = pstcKeyscanConfig->enHizCycle;
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M4_KEYSCAN->SCR_f.T_LLEVEL = pstcKeyscanConfig->enLowCycle;
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M4_KEYSCAN->SCR_f.CKSEL = pstcKeyscanConfig->enKeyscanClk;
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M4_KEYSCAN->SCR_f.KEYOUTSEL = pstcKeyscanConfig->enKeyoutSel;
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M4_KEYSCAN->SCR_f.KEYINSEL = pstcKeyscanConfig->u16KeyinSel;
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}
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return enRet;
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}
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/**
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*******************************************************************************
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** \brief KEYSCAN de-initialization
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**
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** \param None
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**
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** \retval Ok KEYSCAN de-initialized
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**
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******************************************************************************/
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en_result_t KEYSCAN_DeInit(void)
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{
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M4_KEYSCAN->SER = 0ul;
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M4_KEYSCAN->SCR = 0ul;
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return Ok;
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}
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/**
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*******************************************************************************
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** \brief Start keyscan function
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**
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** \param None
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**
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** \retval Ok Keyscan function started
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**
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******************************************************************************/
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en_result_t KEYSCAN_Start(void)
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{
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M4_KEYSCAN->SER_f.SEN = Set;
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return Ok;
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}
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/**
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*******************************************************************************
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** \brief Stop keyscan function
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**
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** \param None
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**
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** \retval Ok Keyscan function stopped
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**
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******************************************************************************/
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en_result_t KEYSCAN_Stop(void)
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{
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M4_KEYSCAN->SER_f.SEN = Reset;
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return Ok;
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}
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/**
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*******************************************************************************
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** \brief Get Key column index
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**
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** \param None
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**
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** \retval uint8_t Index of KEYOUT
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**
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******************************************************************************/
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uint8_t KEYSCAN_GetColIdx(void)
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{
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return (uint8_t)(M4_KEYSCAN->SSR_f.INDEX);
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}
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//@} // KeyscanGroup
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/*******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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