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gt911_reg.c
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/**
******************************************************************************
* @file gt911_reg.c
* @author MCD Application Team
* @brief This file provides unitary register function to control the gt911 Touch
*
******************************************************************************
* @attention
*
* Copyright (c) 2023 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "gt911_reg.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup Component
* @{
*/
/** @defgroup GT911 GT911
* @{
*/
/**
* @brief Read GT911 registers.
* @param pCtx Pointer to component context
* @param reg Component reg to read from
* @param pData pointer to data to be read
* @param length Length of data to read
* @retval Component status
*/
int32_t gt911_read_reg(gt911_ctx_t *pCtx, uint16_t reg, uint8_t *pData, uint16_t length)
{
return pCtx->ReadReg(pCtx->handle, reg, pData, length);
}
/**
* @brief Write GT911 registers.
* @param pCtx Pointer to component context
* @param reg Component reg to write to
* @param pData pointer to data to be written
* @param length Length of data to write
* @retval Component status
*/
int32_t gt911_write_reg(gt911_ctx_t *pCtx, uint16_t reg, uint8_t *pData, uint16_t length)
{
int32_t ret = GT911_REG_OK;
uint16_t ii;
uint8_t calc_chksum = 0U;
uint8_t r_data;
uint8_t value = 1U;
if (pCtx->WriteReg(pCtx->handle, reg, pData, length) != 0U)
{
ret = GT911_REG_ERROR;
}
if ((reg >= GT911_CONFIG_VERS_REG) && (reg < GT911_CONFIG_CHKSUM_REG))
{
for (ii = GT911_CONFIG_VERS_REG; ii < GT911_CONFIG_CHKSUM_REG; ii++)
{
if (pCtx->ReadReg(pCtx->handle, ii, &r_data, 1U) != 0U)
{
ret = GT911_REG_ERROR;
}
else
{
calc_chksum += r_data;
}
}
if (ret == GT911_REG_OK)
{
calc_chksum = ((~calc_chksum) + 1U) & 0xffU;
if (pCtx->ReadReg(pCtx->handle, GT911_CONFIG_CHKSUM_REG, &r_data, 1U) != 0U)
{
ret = GT911_REG_ERROR; /* I2C reading failed */
}
else
{
if (calc_chksum != r_data)
{
if (pCtx->WriteReg(pCtx->handle, GT911_CONFIG_CHKSUM_REG, &calc_chksum, 1U) != 0U) /* Update checksum */
{
ret = GT911_REG_ERROR;
}
else
{
if (pCtx->WriteReg(pCtx->handle, GT911_CONFIG_FRESH_REG, &value, 1U) != 0U) /* Update Config Fresh */
{
ret = GT911_REG_ERROR;
}
}
}
else
{
/* Do nothing */
}
}
}
}
return ret;
}
/**
* @brief Set GT911 working mode
* @param pCtx Pointer to component context
* @param value Value to write to GT911_DEV_MODE_REG register
* @retval Component status
*/
int32_t gt911_dev_mode_w(gt911_ctx_t *pCtx, uint8_t value)
{
int32_t ret;
uint8_t tmp;
ret = gt911_read_reg(pCtx, GT911_DEV_MODE_REG, &tmp, 1U);
if (ret == 0L)
{
tmp &= ~GT911_DEV_MODE_BIT_MASK;
tmp |= value << GT911_DEV_MODE_BIT_POSITION;
ret = gt911_write_reg(pCtx, GT911_DEV_MODE_REG, &tmp, 1U);
}
return ret;
}
/**
* @brief Get GT911 working mode
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_DEV_MODE_REG register
* @retval Component status
*/
int32_t gt911_dev_mode_r(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_DEV_MODE_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_DEV_MODE_BIT_MASK;
*pValue = *pValue >> GT911_DEV_MODE_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 gesture ID
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_GEST_ID_REG register
* @retval Component status
*/
int32_t gt911_gest_id(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_GEST_ID_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Touch Data Status
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of Touch Data Status register
* @retval Component status
*/
int32_t gt911_td_status(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
do
{
ret = gt911_read_reg(pCtx, GT911_TD_STAT_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
/* If the BUFFER_STATUS bit[7] is only set, write 0 on the register */
if (*pValue == GT911_TD_STATUS_BIT_BUFFER_STAT)
{
*pValue = 0U;
ret = gt911_write_reg(pCtx, GT911_TD_STAT_REG, (uint8_t *)pValue, 1U);
}
else
{
*pValue &= GT911_TD_STATUS_BITS_NBTOUCHPTS;
break;
}
}
} while (ret == 0L);
return ret;
}
/**
* @brief Get GT911 Clear Interrupt/Buffer Status
* @param pCtx Pointer to component context
* @retval Component status
*/
int32_t gt911_clr_int(gt911_ctx_t *pCtx)
{
int32_t ret;
uint8_t tmp;
tmp = 0U;
ret = gt911_write_reg(pCtx, GT911_TD_STAT_REG, &tmp, 1U);
return ret;
}
/**
* @brief Get GT911 First X Event Flag
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P1_XH_REG register
* @retval Component status
*/
int32_t gt911_p1_xh_ef(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P1_XH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P1_XH_EF_BIT_MASK;
*pValue = *pValue >> GT911_P1_XH_EF_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 First X Low Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P1_XL_REG register
* @retval Component status
*/
int32_t gt911_p1_xl_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P1_XL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 First X High Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P1_XH_REG register
* @retval Component status
*/
int32_t gt911_p1_xh_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P1_XH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P1_XH_TP_BIT_MASK;
*pValue = *pValue >> GT911_P1_XH_TP_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 First Y Low Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P1_YL_REG register
* @retval Component status
*/
int32_t gt911_p1_yl_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P1_YL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 First Y High Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P1_YH_REG register
* @retval Component status
*/
int32_t gt911_p1_yh_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P1_YH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P1_YH_TP_BIT_MASK;
*pValue = *pValue >> GT911_P1_YH_TP_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 First Touch pressure
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P1_WEIGHTL_REG register
* @retval Component status
*/
int32_t gt911_p1_weight(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P1_WEIGHTL_REG, (uint8_t *)pValue, 2U);
}
/**
* @brief Get GT911 First track ID
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P1_TID_REG register
* @retval Component status
*/
int32_t gt911_p1_tid(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P1_TID_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P1_TID_BIT_MASK;
*pValue = *pValue >> GT911_P1_TID_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Second X Event Flag
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P2_XH_REG register
* @retval Component status
*/
int32_t gt911_p2_xh_ef(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P2_XH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P2_XH_EF_BIT_MASK;
*pValue = *pValue >> GT911_P2_XH_EF_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Second X High Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P2_XH_REG register
* @retval Component status
*/
int32_t gt911_p2_xh_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P2_XH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P2_XH_TP_BIT_MASK;
*pValue = *pValue >> GT911_P2_XH_TP_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Second X Low Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P2_XL_REG register
* @retval Component status
*/
int32_t gt911_p2_xl_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P2_XL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Second Touch ID
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P2_XH_REG register
* @retval Component status
*/
int32_t gt911_p2_yh_tid(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P2_YH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P2_YH_TID_BIT_MASK;
*pValue = *pValue >> GT911_P2_YH_TID_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Second Y High Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P2_YH_REG register
* @retval Component status
*/
int32_t gt911_p2_yh_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P2_YH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P2_YH_TP_BIT_MASK;
*pValue = *pValue >> GT911_P2_YH_TP_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Second Y Low Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P2_YL_REG register
* @retval Component status
*/
int32_t gt911_p2_yl_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P2_YL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Second Touch pressure
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P2_WEIGHT_REG register
* @retval Component status
*/
int32_t gt911_p2_weight(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P2_WEIGHTL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Second Touch area
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P2_TID_REG register
* @retval Component status
*/
int32_t gt911_p2_tid(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P2_TID_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P2_TID_BIT_MASK;
*pValue = *pValue >> GT911_P2_TID_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Third X Event Flag
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P3_XH_REG register
* @retval Component status
*/
int32_t gt911_p3_xh_ef(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P3_XH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P3_XH_EF_BIT_MASK;
*pValue = *pValue >> GT911_P3_XH_EF_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Third X High Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P3_XH_REG register
* @retval Component status
*/
int32_t gt911_p3_xh_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P3_XH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P3_XH_TP_BIT_MASK;
*pValue = *pValue >> GT911_P3_XH_TP_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Third X Low Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P3_XL_REG register
* @retval Component status
*/
int32_t gt911_p3_xl_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P3_XL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Third Touch ID
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P3_XH_REG register
* @retval Component status
*/
int32_t gt911_p3_yh_tid(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P3_YH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P3_YH_TID_BIT_MASK;
*pValue = *pValue >> GT911_P3_YH_TID_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Third Y High Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P3_YH_REG register
* @retval Component status
*/
int32_t gt911_p3_yh_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P3_YH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P3_YH_TP_BIT_MASK;
*pValue = *pValue >> GT911_P3_YH_TP_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Third Y Low Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P3_YL_REG register
* @retval Component status
*/
int32_t gt911_p3_yl_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P3_YL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Third Touch pressure
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P3_WEIGHT_REG register
* @retval Component status
*/
int32_t gt911_p3_weight(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P3_WEIGHTL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Third Touch area
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P3_TID_REG register
* @retval Component status
*/
int32_t gt911_p3_tid(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P3_TID_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P3_TID_BIT_MASK;
*pValue = *pValue >> GT911_P3_TID_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Fourth X Event Flag
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P4_XH_REG register
* @retval Component status
*/
int32_t gt911_p4_xh_ef(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P4_XH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P4_XH_EF_BIT_MASK;
*pValue = *pValue >> GT911_P4_XH_EF_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Fourth X High Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P4_XH_REG register
* @retval Component status
*/
int32_t gt911_p4_xh_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P4_XH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P4_XH_TP_BIT_MASK;
*pValue = *pValue >> GT911_P4_XH_TP_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Fourth X Low Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P4_XL_REG register
* @retval Component status
*/
int32_t gt911_p4_xl_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P4_XL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Fourth Touch ID
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P4_XH_REG register
* @retval Component status
*/
int32_t gt911_p4_yh_tid(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P4_YH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P4_YH_TID_BIT_MASK;
*pValue = *pValue >> GT911_P4_YH_TID_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Fourth Y High Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P4_YH_REG register
* @retval Component status
*/
int32_t gt911_p4_yh_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P4_YH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P4_YH_TP_BIT_MASK;
*pValue = *pValue >> GT911_P4_YH_TP_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Fourth Y Low Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P4_YL_REG register
* @retval Component status
*/
int32_t gt911_p4_yl_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P4_YL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Fourth Touch pressure
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P4_WEIGHT_REG register
* @retval Component status
*/
int32_t gt911_p4_weight(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P4_WEIGHTL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Fourth Touch area
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P4_TID_REG register
* @retval Component status
*/
int32_t gt911_p4_tid(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P4_TID_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P4_TID_BIT_MASK;
*pValue = *pValue >> GT911_P4_TID_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Fifth X Event Flag
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P5_XH_REG register
* @retval Component status
*/
int32_t gt911_p5_xh_ef(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P5_XH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P5_XH_EF_BIT_MASK;
*pValue = *pValue >> GT911_P5_XH_EF_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Fifth X High Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P5_XH_REG register
* @retval Component status
*/
int32_t gt911_p5_xh_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P5_XH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P5_XH_TP_BIT_MASK;
*pValue = *pValue >> GT911_P5_XH_TP_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Fifth X Low Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P5_XL_REG register
* @retval Component status
*/
int32_t gt911_p5_xl_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P5_XL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Fifth Touch ID
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P5_XH_REG register
* @retval Component status
*/
int32_t gt911_p5_yh_tid(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P5_YH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P5_YH_TID_BIT_MASK;
*pValue = *pValue >> GT911_P5_YH_TID_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Fifth Y High Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P5_YH_REG register
* @retval Component status
*/
int32_t gt911_p5_yh_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P5_YH_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P5_YH_TP_BIT_MASK;
*pValue = *pValue >> GT911_P5_YH_TP_BIT_POSITION;
}
return ret;
}
/**
* @brief Get GT911 Fifth Y Low Touch Position
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P5_YL_REG register
* @retval Component status
*/
int32_t gt911_p5_yl_tp(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P5_YL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Fifth Touch pressure
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P5_WEIGHT_REG register
* @retval Component status
*/
int32_t gt911_p5_weight(gt911_ctx_t *pCtx, uint8_t *pValue)
{
return gt911_read_reg(pCtx, GT911_P5_WEIGHTL_REG, (uint8_t *)pValue, 1U);
}
/**
* @brief Get GT911 Fifth Touch area
* @param pCtx Pointer to component context
* @param pValue pointer to the pValue of GT911_P5_TID_REG register
* @retval Component status
*/
int32_t gt911_p5_tid(gt911_ctx_t *pCtx, uint8_t *pValue)
{
int32_t ret;
ret = gt911_read_reg(pCtx, GT911_P5_TID_REG, (uint8_t *)pValue, 1U);
if (ret == 0L)
{
*pValue &= GT911_P5_TID_BIT_MASK;
*pValue = *pValue >> GT911_P5_TID_BIT_POSITION;
}
return ret;
}
/**
* @brief Set GT911 Threshold for touch detection
* @param pCtx Pointer to component context
* @param value Value to write to GT911_TH_GROUP_REG register
* @retval Component status
*/
int32_t gt911_th_group(gt911_ctx_t *pCtx, uint8_t value)
{
return gt911_write_reg(pCtx, GT911_TH_GROUP_REG, &value, 1U);
}
/**
* @brief Set GT911 Filter function coefficient
* @param pCtx Pointer to component context
* @param value Value to write to GT911_TH_DIFF_REG register
* @retval Component status
*/
int32_t gt911_th_diff(gt911_ctx_t *pCtx, uint8_t value)
{
return gt911_write_reg(pCtx, GT911_TH_DIFF_REG, &value, 1U);
}
/**
* @brief Control the Switch between Active and Monitoring Mode
* @param pCtx Pointer to component context
* @param value Value to write to GT911_CTRL_REG register
* @retval Component status
*/
int32_t gt911_ctrl(gt911_ctx_t *pCtx, uint8_t value)
{
return gt911_write_reg(pCtx, GT911_CTRL_REG, &value, 1U);
}
/**
* @brief Set the time period of switching from Active mode to Monitor
* @param pCtx Pointer to component context
* @param value Value to write to GT911_TIMEENTERMONITOR_REG register
* @retval Component status
*/
int32_t gt911_time_enter_monitor(gt911_ctx_t *pCtx, uint8_t value)
{
return gt911_write_reg(pCtx, GT911_TIMEENTERMONITOR_REG, &value, 1U);
}
/**
* @brief Set rate in Active mode
* @param pCtx Pointer to component context
* @param value Value to write to GT911_PERIODACTIVE_REG register
* @retval Component status
*/
int32_t gt911_period_active(gt911_ctx_t *pCtx, uint8_t value)
{
return gt911_write_reg(pCtx, GT911_PERIODACTIVE_REG, &value, 1U);
}
/**
* @brief Set rate in Monitor mode
* @param pCtx Pointer to component context
* @param value Value to write to GT911_PERIODMONITOR_REG register
* @retval Component status
*/
int32_t gt911_period_monitor(gt911_ctx_t *pCtx, uint8_t value)
{
return gt911_write_reg(pCtx, GT911_PERIODMONITOR_REG, &value, 1U);
}
/**
* @brief Set Minimum distance while Moving Left and Moving Right gesture
* @param pCtx Pointer to component context
* @param value Value to write to GT911_DIS_GESTURE_REG register
* @retval Component status
*/
int32_t gt911_distance_left_right(gt911_ctx_t *pCtx, uint8_t value)
{
int32_t ret = GT911_REG_OK;
uint8_t r_data;
uint8_t tmp_value;
if (gt911_read_reg(pCtx, GT911_DIS_GESTURE_REG, &r_data, 1U) != GT911_REG_OK)
{
ret = GT911_REG_ERROR;
}
else
{
tmp_value = ((r_data & GT911_DISTANCE_UD_BIT_MASK) | (value & GT911_DISTANCE_LR_BIT_MASK));
if (gt911_write_reg(pCtx, GT911_DIS_GESTURE_REG, &tmp_value, 1U) != GT911_REG_OK)
{
ret = GT911_REG_ERROR;
}
}
return ret;
}
/**
* @brief Set Minimum distance while Moving Up and Moving Down gesture
* @param pCtx Pointer to component context
* @param value Value to write to GT911_DIS_GESTURE_REG register
* @retval Component status
*/
int32_t gt911_distance_up_down(gt911_ctx_t *pCtx, uint8_t value)
{
int32_t ret = GT911_REG_OK;
uint8_t r_data;
uint8_t tmp_value;
if (gt911_read_reg(pCtx, GT911_DIS_GESTURE_REG, &r_data, 1U) != GT911_REG_OK)
{
ret = GT911_REG_ERROR;
}
else
{
tmp_value = ((value & GT911_DISTANCE_UD_BIT_MASK) | (r_data & GT911_DISTANCE_LR_BIT_MASK));
if (gt911_write_reg(pCtx, GT911_DIS_GESTURE_REG, &tmp_value, 1U) != GT911_REG_OK)
{
ret = GT911_REG_ERROR;