303 lines
14 KiB
C
303 lines
14 KiB
C
/**************************************************************************//**
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* @file tk.h
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* @version V1.00
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* $Revision: 6 $
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* $Date: 15/08/24 4:52p $
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* @brief M451 Series TK Driver Header File
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*
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* @note
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* Copyright (C) 2014~2015 Nuvoton Technology Corp. All rights reserved.
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*
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******************************************************************************/
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#ifndef __TK_H__
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#define __TK_H__
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#include "M451Series.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/** @addtogroup Standard_Driver Standard Driver
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@{
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*/
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/** @addtogroup TK_Driver TK Driver
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@{
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*/
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/** @addtogroup TK_EXPORTED_CONSTANTS TK Exported Constants
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@{
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*/
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#define TK_SCAN_MODE_SINGLE (0UL) /*!< Touch key single scan mode */
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#define TK_SCAN_MODE_PERIODIC (TK_CTL_TMRTRGEN_Msk) /*!< Touch key periodic scan mode */
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#define TK_SCAN_MODE_ALL_KEY (TK_REFCTL_SCANALL_Msk) /*!< Touch key all keys scan mode */
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#define TK_SCAN_MODE_PERIODIC_ALL_KEY (TK_CTL_TMRTRGEN_Msk | TK_REFCTL_SCANALL_Msk) /*!< Touch key periodic with all keys scan mode */
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#define TK_SENSE_PULSE_1 (0UL << TK_REFCTL_SENPTCTL_Pos) /*!< Touch key sensing pulse width is 1us */
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#define TK_SENSE_PULSE_2 (1UL << TK_REFCTL_SENPTCTL_Pos) /*!< Touch key sensing pulse width is 2us */
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#define TK_SENSE_PULSE_4 (2UL << TK_REFCTL_SENPTCTL_Pos) /*!< Touch key sensing pulse width is 4us */
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#define TK_SENSE_PULSE_8 (3UL << TK_REFCTL_SENPTCTL_Pos) /*!< Touch key sensing pulse width is 8us */
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#define TK_SENSE_CNT_128 (0UL << TK_REFCTL_SENTCTL_Pos) /*!< Touch key sensing count is 128 */
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#define TK_SENSE_CNT_255 (1UL << TK_REFCTL_SENTCTL_Pos) /*!< Touch key sensing count is 255 */
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#define TK_SENSE_CNT_511 (2UL << TK_REFCTL_SENTCTL_Pos) /*!< Touch key sensing count is 511 */
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#define TK_SENSE_CNT_1023 (3UL << TK_REFCTL_SENTCTL_Pos) /*!< Touch key sensing count is 1023 */
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#define TK_AVCCH_1_DIV_16 (0UL << TK_CTL_AVCCHSEL_Pos) /*!< Touch key AVCCH voltage is 1/16 VDD */
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#define TK_AVCCH_1_DIV_8 (1UL << TK_CTL_AVCCHSEL_Pos) /*!< Touch key AVCCH voltage is 1/8 VDD */
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#define TK_AVCCH_3_DIV_16 (2UL << TK_CTL_AVCCHSEL_Pos) /*!< Touch key AVCCH voltage is 3/16 VDD */
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#define TK_AVCCH_1_DIV_4 (3UL << TK_CTL_AVCCHSEL_Pos) /*!< Touch key AVCCH voltage is 1/4 VDD */
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#define TK_AVCCH_5_DIV_16 (4UL << TK_CTL_AVCCHSEL_Pos) /*!< Touch key AVCCH voltage is 5/16 VDD */
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#define TK_AVCCH_3_DIV_8 (5UL << TK_CTL_AVCCHSEL_Pos) /*!< Touch key AVCCH voltage is 3/8 VDD */
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#define TK_AVCCH_7_DIV_16 (6UL << TK_CTL_AVCCHSEL_Pos) /*!< Touch key AVCCH voltage is 7/16 VDD */
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#define TK_AVCCH_1_DIV_2 (7UL << TK_CTL_AVCCHSEL_Pos) /*!< Touch key AVCCH voltage is 1/2 VDD */
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#define TK_CAP_BANK_POL_SEL_GND (0UL << TK_POLCTL_CBPOLSEL_Pos) /*!< Touch key capacitor bank polarity is GND */
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#define TK_CAP_BANK_POL_SEL_AVCCH (1UL << TK_POLCTL_CBPOLSEL_Pos) /*!< Touch key capacitor bank polarity is AVCCH */
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#define TK_CAP_BANK_POL_SEL_VDD (2UL << TK_POLCTL_CBPOLSEL_Pos) /*!< Touch key capacitor bank polarity is VDD */
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#define TK_TKn_POL_SEL_GND (0UL) /*!< Touch key polarity is GND */
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#define TK_TKn_POL_SEL_AVCCH (1UL) /*!< Touch key polarity is AVCCH */
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#define TK_TKn_POL_SEL_VDD (2UL) /*!< Touch key polarity is VDD */
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#define TK_INT_EN_SCAN_COMPLETE (TK_INTEN_SCINTEN_Msk) /*!< Touch key enable scan complete interrupt */
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#define TK_INT_EN_SCAN_COMPLETE_EDGE_TH (TK_INTEN_SCTHIEN_Msk) /*!< Touch key enable scan complete with threshold interrupt of edge trigger mode */
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#define TK_INT_EN_SCAN_COMPLETE_LEVEL_TH (TK_INTEN_THIMOD_Msk | TK_INTEN_SCTHIEN_Msk) /*!< Touch key enable scan complete with threshold interrupt of level trigger mode */
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#define TK_INT_SCAN_COMPLETE (TK_STATUS_SCIF_Msk) /*!< Touch key scan complete interrupt */
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#define TK_INT_SCAN_COMPLETE_TH_ALL (0x1FFFF02UL) /*!< Touch key scan complete or all touch keys threshold control interrupt */
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#define TK_INT_SCAN_TH_ALL (0x1FFFF00UL) /*!< ALL Touch key threshold control interrupt */
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#define TK_INT_SCAN_TH_TK0 (TK_STATUS_TKIF0_Msk) /*!< Touch key 0 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK1 (TK_STATUS_TKIF1_Msk) /*!< Touch key 1 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK2 (TK_STATUS_TKIF2_Msk) /*!< Touch key 2 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK3 (TK_STATUS_TKIF3_Msk) /*!< Touch key 3 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK4 (TK_STATUS_TKIF4_Msk) /*!< Touch key 4 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK5 (TK_STATUS_TKIF5_Msk) /*!< Touch key 5 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK6 (TK_STATUS_TKIF6_Msk) /*!< Touch key 6 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK7 (TK_STATUS_TKIF7_Msk) /*!< Touch key 7 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK8 (TK_STATUS_TKIF8_Msk) /*!< Touch key 8 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK9 (TK_STATUS_TKIF9_Msk) /*!< Touch key 9 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK10 (TK_STATUS_TKIF10_Msk) /*!< Touch key 10 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK11 (TK_STATUS_TKIF11_Msk) /*!< Touch key 11 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK12 (TK_STATUS_TKIF12_Msk) /*!< Touch key 12 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK13 (TK_STATUS_TKIF13_Msk) /*!< Touch key 13 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK14 (TK_STATUS_TKIF14_Msk) /*!< Touch key 14 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK15 (TK_STATUS_TKIF15_Msk) /*!< Touch key 15 threshold control interrupt */
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#define TK_INT_SCAN_TH_TK16 (TK_STATUS_TKIF16_Msk) /*!< Touch key 16 threshold control interrupt */
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/*@}*/ /* end of group TK_EXPORTED_CONSTANTS */
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/** @addtogroup TK_EXPORTED_FUNCTIONS TK Exported Functions
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@{
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*/
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/**
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* @brief Enable scan key(s)
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* @param[in] u32Mask Combination of enabled scan keys. Each bit corresponds to a touch key.
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* Bit 0 represents touch key 0, bit 1 represents touch key 1...
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* @return None
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* @note Touch key 16 is the default reference key, so touch key 16 is enabled.
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* \hideinitializer
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*/
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#define TK_ENABLE_SCAN_KEY(u32Mask) (TK->CTL |= (u32Mask))
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/**
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* @brief Disable scan key(s)
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* @param[in] u32Mask Combination of disabled scan keys. Each bit corresponds to a touch key.
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* Bit 0 represents touch key 0, bit 1 represents touch key 1...
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* @return None
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* \hideinitializer
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*/
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#define TK_DISABLE_SCAN_KEY(u32Mask) (TK->CTL &= ~(u32Mask))
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/**
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* @brief Enable reference key(s)
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* @param[in] u32Mask Combination of enabled reference keys. Each bit corresponds to a touch key.
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* Bit 0 represents touch key 0, bit 1 represents touch key 1...
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* @return None
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* @note Touch key 16 is the default reference key, so touch key 16 is enabled.
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* \hideinitializer
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*/
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#define TK_ENABLE_REF_KEY(u32Mask) (TK->REFCTL |= (u32Mask))
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/**
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* @brief Disable reference key(s)
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* @param[in] u32Mask Combination of disabled reference keys. Each bit corresponds to a touch key.
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* Bit 0 represents touch key 0, bit 1 represents touch key 1...
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* @return None
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* @note It must enable a reference key and touch key 16 is the default reference key.
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* If no any one touch key as reference key except touch key 16, then reference Touch key 16 can't be disable.
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* \hideinitializer
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*/
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#define TK_DISABLE_REF_KEY(u32Mask) (TK->REFCTL &= ~(u32Mask))
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/**
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* @brief Initiate enabled key(s) scan immediately.
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* @param None
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* @return None
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* \hideinitializer
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*/
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#define TK_START_SCAN() (TK->CTL |= TK_CTL_SCAN_Msk)
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/**
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* @brief Set touch key Sensing pulse width.
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* @param[in] u32PulseWidth Sensing pulse width.
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* - \ref TK_SENSE_PULSE_1
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* - \ref TK_SENSE_PULSE_2
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* - \ref TK_SENSE_PULSE_4
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* - \ref TK_SENSE_PULSE_8
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* @return None
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* \hideinitializer
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*/
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#define TK_SET_PULSE_WIDTH(u32PulseWidth) (TK->REFCTL = (TK->REFCTL & ~TK_REFCTL_SENPTCTL_Msk) | (u32PulseWidth))
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/**
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* @brief Set touch key Sensing count.
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* @param[in] u32SenseCnt Sensing count.
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* - \ref TK_SENSE_CNT_128
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* - \ref TK_SENSE_CNT_255
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* - \ref TK_SENSE_CNT_511
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* - \ref TK_SENSE_CNT_1023
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* @return None
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* \hideinitializer
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*/
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#define TK_SET_SENSING_CNT(u32SenseCnt) (TK->REFCTL = (TK->REFCTL & ~TK_REFCTL_SENTCTL_Msk) | (u32SenseCnt))
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/**
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* @brief Set touch key AVCCH voltage.
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* @param[in] u32AVCCHSel voltage selection.
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* - \ref TK_AVCCH_1_DIV_16
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* - \ref TK_AVCCH_1_DIV_8
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* - \ref TK_AVCCH_3_DIV_16
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* - \ref TK_AVCCH_1_DIV_4
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* - \ref TK_AVCCH_5_DIV_16
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* - \ref TK_AVCCH_3_DIV_8
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* - \ref TK_AVCCH_7_DIV_16
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* - \ref TK_AVCCH_1_DIV_2
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* @return None
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* \hideinitializer
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*/
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#define TK_SET_AVCCH(u32AVCCHSel) (TK->CTL = (TK->CTL & ~TK_CTL_AVCCHSEL_Msk) | (u32AVCCHSel))
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/**
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* @brief Get touch key complement capacitor bank data.
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* @param[in] u32TKNum Touch key number. The valid value is 0~16.
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* @return Complement capacitor bank data
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* \hideinitializer
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*/
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#define TK_GET_COMP_CAP_BANK_DATA(u32TKNum) (((*(__IO uint32_t *) (&(TK->CCBDAT0) + ((u32TKNum) >> 2))) >> ((u32TKNum) % 4 * 8) & TK_CCBDAT0_CCBDAT0_Msk))
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/**
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* @brief Get touch key sensing result data.
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* @param[in] u32TKNum Touch key number. The valid value is 0~16.
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* @return Sensing result data
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* \hideinitializer
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*/
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#define TK_GET_SENSE_DATA(u32TKNum) (((*(__IO uint32_t *) (&(TK->DAT0) + ((u32TKNum) >> 2))) >> ((u32TKNum) % 4 * 8) & TK_DAT0_TKDAT0_Msk))
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/**
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* @brief Get touch key busy status.
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* @param None
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* @retval 0 Touch key is scan completed or stopped.
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* @retval 1 Touch key is busy.
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* \hideinitializer
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*/
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#define TK_IS_BUSY() ((TK->STATUS & TK_STATUS_BUSY_Msk) ? 1: 0)
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/**
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* @brief Get touch key interrupt flag.
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* @param[in] u32Mask Interrupt flag type selection.
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* - \ref TK_INT_SCAN_COMPLETE
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* - \ref TK_INT_SCAN_COMPLETE_TH_ALL
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* - \ref TK_INT_SCAN_TH_ALL
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* - \ref TK_INT_SCAN_TH_TK0
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* - \ref TK_INT_SCAN_TH_TK1
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* - \ref TK_INT_SCAN_TH_TK2
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* - \ref TK_INT_SCAN_TH_TK3
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* - \ref TK_INT_SCAN_TH_TK4
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* - \ref TK_INT_SCAN_TH_TK5
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* - \ref TK_INT_SCAN_TH_TK6
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* - \ref TK_INT_SCAN_TH_TK7
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* - \ref TK_INT_SCAN_TH_TK8
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* - \ref TK_INT_SCAN_TH_TK9
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* - \ref TK_INT_SCAN_TH_TK10
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* - \ref TK_INT_SCAN_TH_TK11
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* - \ref TK_INT_SCAN_TH_TK12
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* - \ref TK_INT_SCAN_TH_TK13
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* - \ref TK_INT_SCAN_TH_TK14
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* - \ref TK_INT_SCAN_TH_TK15
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* - \ref TK_INT_SCAN_TH_TK16
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* @retval 0 Touch key has no interrupt.
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* @retval 1 Touch key is scan completed or threshold control event occurs.
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* \hideinitializer
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*/
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#define TK_GET_INT_STATUS(u32Mask) ((TK->STATUS & (u32Mask)) ? 1: 0)
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/**
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* @brief Clear touch key interrupt flag.
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* @param[in] u32Mask Interrupt flag type selection.
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* - \ref TK_INT_SCAN_COMPLETE
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* - \ref TK_INT_SCAN_COMPLETE_TH_ALL
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* - \ref TK_INT_SCAN_TH_ALL
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* - \ref TK_INT_SCAN_TH_TK0
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* - \ref TK_INT_SCAN_TH_TK1
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* - \ref TK_INT_SCAN_TH_TK2
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* - \ref TK_INT_SCAN_TH_TK3
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* - \ref TK_INT_SCAN_TH_TK4
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* - \ref TK_INT_SCAN_TH_TK5
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* - \ref TK_INT_SCAN_TH_TK6
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* - \ref TK_INT_SCAN_TH_TK7
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* - \ref TK_INT_SCAN_TH_TK8
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* - \ref TK_INT_SCAN_TH_TK9
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* - \ref TK_INT_SCAN_TH_TK10
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* - \ref TK_INT_SCAN_TH_TK11
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* - \ref TK_INT_SCAN_TH_TK12
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* - \ref TK_INT_SCAN_TH_TK13
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* - \ref TK_INT_SCAN_TH_TK14
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* - \ref TK_INT_SCAN_TH_TK15
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* - \ref TK_INT_SCAN_TH_TK16
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* @return None
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* \hideinitializer
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*/
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#define TK_CLR_INT_FLAG(u32Mask) (TK->STATUS = (u32Mask))
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/*---------------------------------------------------------------------------------------------------------*/
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/* Define TK functions prototype */
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/*---------------------------------------------------------------------------------------------------------*/
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void TK_Open(void);
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void TK_Close(void);
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void TK_SetScanMode(uint32_t u32Mode);
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void TK_ConfigSensitivity(uint32_t u32PulseWidth, uint32_t u32SenseCnt, uint32_t u32AVCCHSel);
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void TK_SetCapBankPol(uint32_t u32CapBankPolSel);
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void TK_EnableTkPolarity(uint32_t u32Mask);
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void TK_DisableTkPolarity(uint32_t u32Mask);
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void TK_SetCompCapBankData(uint32_t u32TKNum, uint32_t u32CapData);
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void TK_SetTkPol(uint32_t u32Mask, uint32_t u32PolSel);
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void TK_SetRefKeyCapBankData(uint32_t u32CapData);
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void TK_SetScanThreshold(uint32_t u32TKNum, uint32_t u32HighLevel, uint32_t u32LowLevel);
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void TK_EnableInt(uint32_t u32Msk);
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void TK_DisableInt(uint32_t u32Msk);
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/*@}*/ /* end of group TK_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group TK_Driver */
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/*@}*/ /* end of group Standard_Driver */
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#ifdef __cplusplus
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}
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#endif
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#endif //__TK_H__
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/*** (C) COPYRIGHT 2014~2015 Nuvoton Technology Corp. ***/
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