ra8835.c

SSD1963.zip

//------------------------------------------------------------------------------
//    File name   : lcd.c
//    Description : RA8835AP3N driver
//    History :
//    1. Date        : Feb 23, 2009
//       Author      : Chandrakant Bhor
//       Description : Create
//Connection to GLCD are as follows:
//
//------------------------------------------------------------------------------
#include "ra8835.h"
//------------------------------------------------------------------------------
//Variables
unsigned short CurrScreen = 0, PrevScreen = 0;
unsigned char P9Val = 0,P4Val = 0;
float Temp;
unsigned int Menu=0;
unsigned int Flash = 0;
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//Strings
char *Posn[] = { "1","2","3","4"};
char *Day[] = {"MON","TUE","WED","THU","FRI","SAT","SUN"};
char *DetType[] = {"NONE","FID ","TCD ","ECD ","NPD "};
char *Polarity[] = {"+","-"};
char *InjType[] = {"NONE","SSL ","PTV ","PKD "};
char *GcStatus[]={"READY   ","WAITING ","COOLING ","RUNNING ","PRE-RDY ","TESTOVEN","RDY-INH "};
char *Status[]={"OFF","ON "};
char *AmPm[]={"AM","PM"};
char *SplitMode[]={"SPL","S/L"};
char *Units[]={"Bar","Psi","Kpa"};
char *Gas[]={"N2 ","H2 ","He ","Ar ","Air"};
char *InjCntrl[]={"PRESSURE","  FLOW  ","  TEMP  "};
char Buffer[20];
char TxBuffer[60] = "UART1 - 1,8,N,1@115.2k communication without flow control\n\r";
char RxBuffer[60];
//------------------------------------------------------------------------------
// Function Name: LCDIOInit
// Parameters: none
// Return: none
// Description: Init IO ports directions and level
//------------------------------------------------------------------------------
void Delay (unsigned int dly)
{
   unsigned int x;
   for(x=dly;x>0;x--);
}
//------------------------------------------------------------------------------
// Function Name: LCDIOInit
// Parameters: none
// Return: none
// Description: Init IO ports directions and level
//------------------------------------------------------------------------------
void LCDIOInit (void)
{
#ifndef TFT  
  GPIO_InitTypeDef  GPIO_InitStructure;

  // Enable GPIO clocks
  SCU_APBPeriphClockConfig(__GPIO8 | __GPIO9, ENABLE);
  // Release GPIO reset
  SCU_APBPeriphReset(__GPIO8 | __GPIO9, DISABLE);

  // IO configure
  SCU->GPIOEMI &= 0;  
  SCU->GPIOTYPE[9] &=  ~(LCD_WR | LCD_A0 | LCD_CS);
  GPIO9->DDR |= LCD_WR | LCD_A0 | LCD_CS;

  GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput;
  GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull;
  GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Disable;
  GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1;
  GPIO_InitStructure.GPIO_Pin = LCD_DATA;
  GPIO_Init(GPIO8, &GPIO_InitStructure);
 
  P9Val |= LCD_WR | LCD_A0 | LCD_CS;
  GPIO_Write(GPIO9,P9Val);    
#else
  GPIO_InitTypeDef  GPIO_InitStructure;

  // Enable GPIO clocks
  SCU_APBPeriphClockConfig(__GPIO8 | __GPIO4, ENABLE);
  // Release GPIO reset
  SCU_APBPeriphReset(__GPIO8 | __GPIO4, DISABLE);

  // IO configure
  SCU->GPIOEMI &= 0;  

//  SCU->GPIOTYPE[4] &= ~(LCD_RS | LCD_WR | LCD_RD | LCD_CS | LCD_RST | LCD_UD | LCD_LR);
//  GPIO4->DDR |= LCD_RS | LCD_WR | LCD_RD | LCD_CS | LCD_RST | LCD_UD | LCD_LR;
  GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput;
  GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull;
  GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Disable;
  GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1;
  GPIO_InitStructure.GPIO_Pin = LCD_RS | LCD_WR | LCD_RD | LCD_CS | LCD_RST | LCD_UD | LCD_LR;  
  GPIO_Init(GPIO4, &GPIO_InitStructure);   
  P4Val |= LCD_RS | LCD_WR | LCD_RD | LCD_CS | LCD_RST | LCD_UD | LCD_LR;
  GPIO_Write(GPIO4,P4Val);    
  
  GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput;
  GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull;
  GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Disable;
  GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1;
  GPIO_InitStructure.GPIO_Pin = LCD_DATA;
  GPIO_Init(GPIO8, &GPIO_InitStructure);  
#endif  
}

//------------------------------------------------------------------------------
// Function Name: LCD_Cmd_Write (unsigned char Cmd)
// Parameters: unsigned char Data
// Return: none
// Description: Write cmd to LCD
//------------------------------------------------------------------------------
void LCDCmdWrite (unsigned char Cmd)
{
#ifndef TFT  
  GPIO_Write(GPIO8,Cmd);  //Data on Datalines.
  Delay(100);
  P9Val |= LCD_A0;  
  GPIO_Write(GPIO9,P9Val);  // A0  Output - High  
  Delay(100);
  P9Val &= ~LCD_CS;
  GPIO_Write(GPIO9,P9Val);  // CS Output - Low    
  Delay(100);
  P9Val &= ~LCD_WR;
  GPIO_Write(GPIO9,P9Val);  // WR Output - Low
  Delay(100);
  P9Val |= LCD_WR;
  GPIO_Write(GPIO9,P9Val);  // WR Output - High  
  Delay(100);
  P9Val |= LCD_CS;
  GPIO_Write(GPIO9,P9Val);  // CS Output - High   
  Delay(100);  
#else
  P4Val |= LCD_RD;  
  GPIO_Write(GPIO4,P4Val);  // RD  Output - High  
//  Delay(100);
  P4Val &= ~LCD_RS;
  GPIO_Write(GPIO4,P4Val);  // RS Output - Low    
//  Delay(100);    
  P4Val &= ~LCD_WR;
  GPIO_Write(GPIO4,P4Val);  // WR Output - Low
//  Delay(100);    
  P4Val &= ~LCD_CS;
  GPIO_Write(GPIO4,P4Val);  // CS Output - Low    
//  Delay(100);
  GPIO_Write(GPIO8,Cmd);    //Data on Datalines.
//  Delay(100);
  P4Val |= LCD_CS;
  GPIO_Write(GPIO4,P4Val);  // CS Output - High   
//  Delay(100);      
  P4Val |= LCD_WR;
  GPIO_Write(GPIO4,P4Val);  // WR Output - High  
//  Delay(100);
#endif  
}
//------------------------------------------------------------------------------
// Function Name: LCDDataWrite (unsigned char Data);
// Parameters: unsigned char Data
// Return: none
// Description: Write cmd to LCD
//------------------------------------------------------------------------------
void LCDDataWrite (unsigned char Data)
{
#ifndef TFT  
  P9Val &= ~LCD_A0;
  GPIO_Write(GPIO9,P9Val);  // A0  Output - Low
  Delay(100);
  GPIO_Write(GPIO8,Data);   //Data on Datalines.
  Delay(100);
  P9Val &= ~LCD_CS;
  GPIO_Write(GPIO9,P9Val);  // CS  Output - Low
  Delay(100);
  P9Val &= ~LCD_WR;
  GPIO_Write(GPIO9,P9Val);  // WR Output - Low
  Delay(100);
  P9Val |= LCD_WR;
  GPIO_Write(GPIO9,P9Val);  // WR Output - High  
  Delay(100);
  P9Val |= LCD_CS;
  GPIO_Write(GPIO9,P9Val);  // CS Output - High
  Delay(100);
  P9Val |= LCD_A0;
  GPIO_Write(GPIO9,P9Val);  // A0  Output - High  
  Delay(100);
#else
  P4Val |= LCD_RD;  
  GPIO_Write(GPIO4,P4Val);  // RD  Output - High  
//  Delay(100);
  P4Val |= LCD_RS;
  GPIO_Write(GPIO4,P4Val);  // RS Output - High
//  Delay(100);    
  P4Val &= ~LCD_WR;
  GPIO_Write(GPIO4,P4Val);  // WR Output - Low
//  Delay(100);    
  P4Val &= ~LCD_CS;
  GPIO_Write(GPIO4,P4Val);  // CS Output - Low    
//  Delay(100);
  GPIO_Write(GPIO8,Data);    //Data on Datalines.
//  Delay(100);
  P4Val |= LCD_CS;
  GPIO_Write(GPIO4,P4Val);  // CS Output - High   
//  Delay(100);      
  P4Val |= LCD_WR;
  GPIO_Write(GPIO4,P4Val);  // WR Output - High  
//  Delay(100);  
#endif  
}
//------------------------------------------------------------------------------
// Function Name: LCDStsRead
// Parameters: none
// Return: unsigned char Data
// Description: Read LCD status
//------------------------------------------------------------------------------
unsigned char LCDStsRead (void)
{
  unsigned char status=0;
  GPIO_InitTypeDef  GPIO_InitStructure;
#ifndef TFT  
  // Set Direction
  GPIO_InitStructure.GPIO_Direction = GPIO_PinInput;
  GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Disable;
  GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1;
  GPIO_InitStructure.GPIO_Pin = LCD_DATA;
  GPIO_Init(GPIO8, &GPIO_InitStructure);

  P9Val |= LCD_A0;
  GPIO_Write(GPIO9,P9Val);  // A0  Output - High  
  Delay(100);
  P9Val &= ~LCD_CS;
  GPIO_Write(GPIO9,P9Val);  // CS  Output - Low
  Delay(100);
  P9Val |= LCD_WR;
  GPIO_Write(GPIO9,P9Val);  // WR Output - High  
  Delay(100);

  status = GPIO_Read(GPIO8);
  Delay(100);

  P9Val &= ~LCD_WR;
  GPIO_Write(GPIO9,P9Val);  // WR Output - Low  
  Delay(100);
  P9Val |= LCD_CS;
  GPIO_Write(GPIO9,P9Val);  // CS  Output - High
  Delay(100);
  P9Val &= ~LCD_A0;
  GPIO_Write(GPIO9,P9Val);  // A0  Output - Low
  Delay(100);
  // Set Direction  
  GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput;
  GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Disable;
  GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1;
  GPIO_InitStructure.GPIO_Pin = LCD_DATA;
  GPIO_Init(GPIO8, &GPIO_InitStructure);  
#else

#endif  
  return(status);  
}

//------------------------------------------------------------------------------
// Function Name: LCDDataRead
// Parameters: none
// Return: unsigned char
// Description: Write cmd to LCD
//------------------------------------------------------------------------------
unsigned char LCDDataRead (void)
{
  unsigned char data=0;
  GPIO_InitTypeDef  GPIO_InitStructure;
#ifndef TFT  
//  LCDCmdWrite(0x47);  //Read mem cmd.

  // Set Direction
  GPIO_InitStructure.GPIO_Direction = GPIO_PinInput;
  GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Disable;
  GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1;
  GPIO_InitStructure.GPIO_Pin = LCD_DATA;
  GPIO_Init(GPIO8, &GPIO_InitStructure);

  P9Val &= ~LCD_A0;
  GPIO_Write(GPIO9,P9Val);  // A0  Output - Low
  Delay(100);
  P9Val &= ~LCD_CS;
  GPIO_Write(GPIO9,P9Val);  // CS  Output - Low  
  Delay(100);
  P9Val |= LCD_WR;
  GPIO_Write(GPIO9,P9Val);  // WR Output - High    
  Delay(100);

  data = GPIO_Read(GPIO8);
  Delay(100);

  P9Val &= ~LCD_WR;
  GPIO_Write(GPIO9,P9Val);  // WR Output - Low  
  Delay(100);
  P9Val |= LCD_CS;
  GPIO_Write(GPIO9,P9Val);  // CS  Output - High
  Delay(100);
  P9Val |= LCD_A0;
  GPIO_Write(GPIO9,P9Val);  // A0  Output - High
  Delay(100);
  
  // Set Direction  
  GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput;
  GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Disable;
  GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1;
  GPIO_InitStructure.GPIO_Pin = LCD_DATA;
  GPIO_Init(GPIO8, &GPIO_InitStructure);
#else
  
#endif  
  return(data);  
}

//------------------------------------------------------------------------------
// Function Name: ResetDisplay
// Parameters: none
// Return: none
// Description: function to reset the graphics display
//------------------------------------------------------------------------------
void ResetDisplay(void)
{
#ifndef TFT  

  P9Val &= ~LCD_A0;
  GPIO_Write(GPIO9,P9Val);  // A0  Output - Low  
  Delay(1000);    

  P9Val |= LCD_WR;
  GPIO_Write(GPIO9,P9Val);  // WR Output - High  
  Delay(100);  

  P9Val |= LCD_CS;
  GPIO_Write(GPIO9,P9Val);  // CS Output - High
  Delay(100);  
#else
  P4Val &= ~LCD_UD;
  GPIO_Write(GPIO4,P4Val);   //UD  Output - Low  
//  Delay(100);    
  P4Val |= LCD_LR;
  GPIO_Write(GPIO4,P4Val);   //LR  Output - High
//  Delay(100);        
  
  P4Val &= ~LCD_RST;
  GPIO_Write(GPIO4,P4Val);   //RST  Output - Low  
  Delay(100);    
  P4Val |= LCD_RST;
  GPIO_Write(GPIO4,P4Val);   //RST  Output - High
  Delay(100);      
  LCDCmdWrite(0x01);        //Software reset
  LCDCmdWrite(0x01);
  LCDCmdWrite(0x01);
  Delay(100);
  LCDCmdWrite(0xE0);        
  LCDDataWrite(0x01);       //Enable PLL
  Delay(100);      
//  LCDCmdWrite(0xE0);        //Lock PLL
  LCDDataWrite(0x03);  
#endif  
}

//------------------------------------------------------------------------------
// Function Name: ClearGraphics
// Parameters: none
// Return: none
// Description: function to clear the graphic screen
//------------------------------------------------------------------------------