ts3510.c

Go to the documentation of this file.

/* Includes ------------------------------------------------------------------*/
#include "ts3510.h"

/* Private typedef -----------------------------------------------------------*/

/* Private define ------------------------------------------------------------*/

/* Private macro -------------------------------------------------------------*/

/* 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 -----------------------------------------------*/

/* Private functions ---------------------------------------------------------*/

void ts3510_Init(uint16_t DeviceAddr)
{
  /* Initialize IO BUS layer */
  IOE_Init(); 
  
}
 
void ts3510_Reset(uint16_t DeviceAddr)
{

}

uint16_t ts3510_ReadID(uint16_t DeviceAddr)
{
  return 0;
}

void ts3510_TS_Start(uint16_t DeviceAddr)
{
}

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;
  }
}

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 */
}

void ts3510_TS_EnableIT(uint16_t DeviceAddr)
{  
}

void ts3510_TS_DisableIT(uint16_t DeviceAddr)
{
}

uint8_t ts3510_TS_ITStatus(uint16_t DeviceAddr)
{
  return 0;
}

void ts3510_TS_ClearIT(uint16_t DeviceAddr)
{
}

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/