Subversion Repositories openrisc

//*****************************************************************************

//

// pdc.h - Stellaris development board Peripheral Device Controller definitions

//         and prototypes.

//

// Copyright (c) 2005,2006 Luminary Micro, Inc.  All rights reserved.

//

// Software License Agreement

//

// Luminary Micro, Inc. (LMI) is supplying this software for use solely and

// exclusively on LMI's Stellaris Family of microcontroller products.

//

// The software is owned by LMI and/or its suppliers, and is protected under

// applicable copyright laws.  All rights are reserved.  Any use in violation

// of the foregoing restrictions may subject the user to criminal sanctions

// under applicable laws, as well as to civil liability for the breach of the

// terms and conditions of this license.

//

// THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED

// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF

// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.

// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR

// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.

//

// This is part of revision 635 of the Stellaris Driver Library.

//

//*****************************************************************************

#ifndef __PDC_H__

#define __PDC_H__

#ifdef __cplusplus

extern "C"

{

#endif

//*****************************************************************************

//

// The registers within the peripheral device controller.

//

//*****************************************************************************

#define PDC_VER                 0x0         // Version register

#define PDC_CSR                 0x1         // Command/Status register

#define PDC_DSW                 0x4         // DIP Switch register

#define PDC_LED                 0x5         // LED register

#define PDC_LCD_CSR             0x6         // LCD Command/Status register

#define PDC_LCD_RAM             0x7         // LCD RAM register

#define PDC_GPXDAT              0x8         // GPIO X Data register

#define PDC_GPXDIR              0x9         // GPIO X Direction register

#define PDC_GPYDAT              0xA         // GPIO Y Data register

#define PDC_GPYDIR              0xB         // GPIO Y Direction register

#define PDC_GPZDAT              0xC         // GPIO Z Data register

#define PDC_GPZDIR              0xD         // GPIO Z Direction register

//*****************************************************************************

//

// Flags indicating a read or write to the peripheral device controller.

//

//*****************************************************************************

#define PDC_RD                  0x80        // PDC read command

#define PDC_WR                  0x00        // PDC write command

//*****************************************************************************

//

// LCD panel (Crystalfontz CFAH1602B) commands, RS = 0

//

//*****************************************************************************

#define LCD_CLEAR               0x01        // Clear display (0 fill DDRAM).

#define LCD_HOME                0x02        // Cursor home.

#define LCD_MODE                0x04        // Set entry mode (cursor dir)

#define LCD_ON                  0x08        // Set display, cursor, blinking

                                            // on/off

#define LCD_CUR                 0x10        // Cursor, display shift

#define LCD_IF                  0x20        // Set interface data length,

                                            // lines, font

#define LCD_CGADDR              0x40        // Set CGRAM AC address

#define LCD_DDADDR              0x80        // Set DDRAM AC address

//*****************************************************************************

//

// LCD Status bit

//

//*****************************************************************************

#define LCD_B_BUSY              0x80        // Busy flag.

//*****************************************************************************

//

// The GPIO port A pin numbers for the various SSI signals.

//

//*****************************************************************************

#define SSI_CS                  GPIO_PIN_3

#define PDC_CS                  GPIO_PIN_3

#define SSI_CLK                 GPIO_PIN_2

#define SSI_TX                  GPIO_PIN_5

#define SSI_RX                  GPIO_PIN_4

//*****************************************************************************

//

// Function Prototypes

//

//*****************************************************************************

extern void PDCInit(void);

extern unsigned char PDCRead(unsigned char ucAddr);

extern void PDCWrite(unsigned char ucAddr, unsigned char ucData);

extern unsigned char PDCDIPRead(void);

extern void PDCLEDWrite(unsigned char ucLED);

extern unsigned char PDCLEDRead(void);

extern void PDCLCDInit(void);

extern void PDCLCDBacklightOn(void);

extern void PDCLCDBacklightOff(void);

extern void PDCLCDClear(void);

extern void PDCLCDCreateChar(unsigned char ucChar, unsigned char *pucData);

extern void PDCLCDSetPos(unsigned char ucX, unsigned char ucY);

extern void PDCLCDWrite(const char *pcStr, unsigned long ulCount);

extern unsigned char PDCGPIODirRead(unsigned char ucIdx);

extern void PDCGPIODirWrite(unsigned char ucIdx, unsigned char ucValue);

extern unsigned char PDCGPIORead(unsigned char ucIdx);

extern void PDCGPIOWrite(unsigned char ucIdx, unsigned char ucValue);

#ifdef __cplusplus

}

#endif

#endif // __PDC_H__