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/**
******************************************************************************
* @file ts3510.c
* @author MCD Application Team
* @brief This file provides a set of functions needed to manage the TS3510
* IO Expander devices.
******************************************************************************
* @attention
*
* Copyright (c) 2014 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 "ts3510.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup Component
* @{
*/
/** @defgroup TS3510
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/** @defgroup TS3510_Private_Types_Definitions
* @{
*/
/* Private define ------------------------------------------------------------*/
/** @defgroup TS3510_Private_Defines
* @{
*/
/* Private macro -------------------------------------------------------------*/
/** @defgroup TS3510_Private_Macros
* @{
*/
/* Private variables ---------------------------------------------------------*/
/** @defgroup TS3510_Private_Variables
* @{
*/
/* Touch screen driver structure initialization */
TS_DrvTypeDef ts3510_ts_drv =
{
ts3510_Init,
ts3510_ReadID,
ts3510_Reset,
ts3510_TS_Start,
ts3510_TS_DetectTouch,
ts3510_TS_GetXY,
ts3510_TS_EnableIT,
ts3510_TS_ClearIT,
ts3510_TS_ITStatus,
ts3510_TS_DisableIT,
};
/**
* @}
*/
/* Private function prototypes -----------------------------------------------*/
/** @defgroup ts3510_Private_Function_Prototypes
* @{
*/
/* Private functions ---------------------------------------------------------*/
/** @defgroup ts3510_Private_Functions
* @{
*/
/**
* @brief Initialize the ts3510 and configure the needed hardware resources
* @param DeviceAddr: Device address on communication Bus.
* @retval None
*/
void ts3510_Init(uint16_t DeviceAddr)
{
/* Initialize IO BUS layer */
IOE_Init();
}
/**
* @brief Reset the ts3510 by Software.
* @param DeviceAddr: Device address on communication Bus.
* @retval None
*/
void ts3510_Reset(uint16_t DeviceAddr)
{
}
/**
* @brief Read the ts3510 IO Expander device ID.
* @param DeviceAddr: Device address on communication Bus.
* @retval The Device ID (two bytes).
*/
uint16_t ts3510_ReadID(uint16_t DeviceAddr)
{
return 0;
}
/**
* @brief Configures the touch Screen Controller (Single point detection)
* @param DeviceAddr: Device address on communication Bus.
* @retval None.
*/
void ts3510_TS_Start(uint16_t DeviceAddr)
{
}
/**
* @brief Return if there is touch detected or not.
* @param DeviceAddr: Device address on communication Bus.
* @retval Touch detected state.
*/
uint8_t ts3510_TS_DetectTouch(uint16_t DeviceAddr)
{
uint8_t aBufferTS[11];
uint8_t aTmpBuffer[2] = {TS3510_READ_CMD, TS3510_WRITE_CMD};
/* Prepare for LCD read data */
IOE_WriteMultiple(DeviceAddr, TS3510_SEND_CMD_REG, aTmpBuffer, 2);
/* Read TS data from LCD */
IOE_ReadMultiple(DeviceAddr, TS3510_READ_BLOCK_REG, aBufferTS, 11);
/* check for first byte */
if((aBufferTS[1] == 0xFF) && (aBufferTS[2] == 0xFF) && (aBufferTS[3] == 0xFF) && (aBufferTS[4] == 0xFF))
{
return 0;
}
else
{
return 1;
}
}
/**
* @brief Get the touch screen X and Y positions values
* @param DeviceAddr: Device address on communication Bus.
* @param X: Pointer to X position value
* @param Y: Pointer to Y position value
* @retval None.
*/
void ts3510_TS_GetXY(uint16_t DeviceAddr, uint16_t *X, uint16_t *Y)
{
uint8_t aBufferTS[11];
uint8_t aTmpBuffer[2] = {TS3510_READ_CMD, TS3510_WRITE_CMD};
/* Prepare for LCD read data */
IOE_WriteMultiple(DeviceAddr, TS3510_SEND_CMD_REG, aTmpBuffer, 2);
/* Read TS data from LCD */
IOE_ReadMultiple(DeviceAddr, TS3510_READ_BLOCK_REG, aBufferTS, 11);
/* Calculate positions */
*X = (((aBufferTS[1] << 8) | aBufferTS[2]) << 12) / 640;
*Y = (((aBufferTS[3] << 8) | aBufferTS[4]) << 12) / 480;
/* set position to be relative to 12bits resolution */
}
/**
* @brief Configure the selected source to generate a global interrupt or not
* @param DeviceAddr: Device address on communication Bus.
* @retval None
*/
void ts3510_TS_EnableIT(uint16_t DeviceAddr)
{
}
/**
* @brief Configure the selected source to generate a global interrupt or not
* @param DeviceAddr: Device address on communication Bus.
* @retval None
*/
void ts3510_TS_DisableIT(uint16_t DeviceAddr)
{
}
/**
* @brief Configure the selected source to generate a global interrupt or not
* @param DeviceAddr: Device address on communication Bus.
* @retval TS interrupts status
*/
uint8_t ts3510_TS_ITStatus(uint16_t DeviceAddr)
{
return 0;
}
/**
* @brief Configure the selected source to generate a global interrupt or not
* @param DeviceAddr: Device address on communication Bus.
* @retval None
*/
void ts3510_TS_ClearIT(uint16_t DeviceAddr)
{
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/