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Demo/CORTEX_AT91SAM3U256_IAR/AT91Lib/peripherals/lcd/lcd.c

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+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support 
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+#include <board.h>
+
+#if defined (AT91C_ID_LCDC)
+
+//------------------------------------------------------------------------------
+//         Headers
+//------------------------------------------------------------------------------
+
+#include "lcd.h"
+#include <utility/assert.h>
+#include <utility/trace.h>
+
+
+//------------------------------------------------------------------------------
+//         Exported functions
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// Enables the LCD controller, after waiting for the specified number of
+/// frames.
+/// \param frames  Number of frames before the LCD is enabled.
+//------------------------------------------------------------------------------
+void LCD_Enable(unsigned int frames)
+{
+    TRACE_DEBUG("LCD enable\n\r");
+    ASSERT((frames & 0xFFFFFF80) == 0,
+           "LCD_Enable: Wrong frames value.\n\r");
+    if( (AT91C_BASE_LCDC->LCDC_PWRCON & AT91C_LCDC_BUSY) == AT91C_LCDC_BUSY ) {
+        TRACE_DEBUG("LCD BUSY E\n\r");
+    }
+    AT91C_BASE_LCDC->LCDC_PWRCON = AT91C_LCDC_PWR | (frames << 1);
+}
+
+//------------------------------------------------------------------------------
+/// Disables the LCD controller, after waiting for the specified number of
+/// frames.
+/// \param frames  Number of frames before the LCD is shut down.
+//------------------------------------------------------------------------------
+void LCD_Disable(unsigned int frames)
+{
+    TRACE_DEBUG("LCD disable\n\r");
+    ASSERT((frames & 0xFFFFFF80) == 0,
+           "LCD_Disable: Wrong frames value.\n\r");
+    // Remove AT91C_LCDC_PWR
+    AT91C_BASE_LCDC->LCDC_PWRCON = frames << 1;
+    // wait LCDC Core is in idle state
+    while( (AT91C_BASE_LCDC->LCDC_PWRCON & AT91C_LCDC_BUSY) == AT91C_LCDC_BUSY ) {
+    }
+    TRACE_DEBUG("LCD is in IDLE state\n\r");
+}
+
+//------------------------------------------------------------------------------
+/// Enables the DMA of the LCD controller.
+//------------------------------------------------------------------------------
+void LCD_EnableDma(void)
+{
+    if( (AT91C_BASE_LCDC->LCDC_DMACON & AT91C_LCDC_DMABUSY) == AT91C_LCDC_DMABUSY ) {
+        TRACE_DEBUG("LCD DMA BUSY E\n\r");
+    }
+    AT91C_BASE_LCDC->LCDC_DMACON = AT91C_LCDC_DMAEN;
+}
+
+//------------------------------------------------------------------------------
+/// Disables the DMA of the LCD controller.
+//------------------------------------------------------------------------------
+void LCD_DisableDma(void)
+{
+    AT91C_BASE_LCDC->LCDC_DMACON = 0;
+    // wait LCDC DMA is in idle state
+    while( (AT91C_BASE_LCDC->LCDC_DMACON & AT91C_LCDC_DMABUSY) == AT91C_LCDC_DMABUSY ) {
+    }
+    TRACE_DEBUG("LCD DMA is in IDLE state\n\r");
+}
+
+//------------------------------------------------------------------------------
+/// Enables the selected LDC interrupt sources.
+/// \param sources  Interrupt sources to enable.
+//------------------------------------------------------------------------------
+void LCD_EnableInterrupts(unsigned int sources)
+{
+    AT91C_BASE_LCDC->LCDC_IER = sources;
+}
+
+//------------------------------------------------------------------------------
+/// Configures the internal clock of the LCD controller given the master clock of
+/// the system and the desired pixel clock in MHz.
+/// \param masterClock  Master clock frequency.
+/// \param pixelClock  Pixel clock frequency.
+//------------------------------------------------------------------------------
+void LCD_SetPixelClock(unsigned int masterClock, unsigned int pixelClock)
+{
+    AT91C_BASE_LCDC->LCDC_LCDCON1 = ((masterClock / 2 / pixelClock) - 2) << 12;
+}
+
+//------------------------------------------------------------------------------
+/// DMA reset
+//------------------------------------------------------------------------------
+void LCD_DMAReset(void)
+{
+    // DMA Module should be reset only when disabled and in idle state
+    if( AT91C_LCDC_DMABUSY == (AT91C_BASE_LCDC->LCDC_DMACON & AT91C_LCDC_DMABUSY)) {
+        TRACE_ERROR("LCD BUSY so NO DMA RESET\n\r");
+    }
+    if( AT91C_LCDC_DMAEN == (AT91C_BASE_LCDC->LCDC_DMACON & AT91C_LCDC_DMAEN)) {
+        TRACE_ERROR("DMA Enabled, so NO DMA RESET\n\r");
+    }
+    AT91C_BASE_LCDC->LCDC_DMACON = AT91C_LCDC_DMARST;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the type of display used with the LCD controller.
+/// \param displayType  Type of display used.
+//------------------------------------------------------------------------------
+void LCD_SetDisplayType(unsigned int displayType)
+{
+    unsigned int value;
+
+    ASSERT((displayType & ~AT91C_LCDC_DISTYPE) == 0,
+           "LCD_SetDisplayType: Wrong display type value.\n\r");
+
+    value = AT91C_BASE_LCDC->LCDC_LCDCON2;
+    value &= ~AT91C_LCDC_DISTYPE;
+    value |= displayType;
+    AT91C_BASE_LCDC->LCDC_LCDCON2 = value;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the scan mode used by the LCD (either single scan or double-scan).
+/// \param scanMode  Scan mode to use.
+//------------------------------------------------------------------------------
+void LCD_SetScanMode(unsigned int scanMode)
+{
+    unsigned int value;
+
+    ASSERT((scanMode & ~AT91C_LCDC_SCANMOD) == 0,
+           "LCD_SetScanMode: Wrong scan mode value.\n\r");
+
+    value = AT91C_BASE_LCDC->LCDC_LCDCON2;
+    value &= ~AT91C_LCDC_SCANMOD;
+    value |= scanMode;
+    AT91C_BASE_LCDC->LCDC_LCDCON2 = value;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the number of bits per pixel used by the LCD display.
+/// \param bitsPerPixel  Number of bits per pixel to use.
+//------------------------------------------------------------------------------
+void LCD_SetBitsPerPixel(unsigned int bitsPerPixel)
+{
+    unsigned int value;
+
+    ASSERT((bitsPerPixel & ~AT91C_LCDC_PIXELSIZE) == 0,
+           "LCD_SetScanMode: Wrong bitsPerPixel value.\n\r");
+
+    value = AT91C_BASE_LCDC->LCDC_LCDCON2;
+    value &= ~AT91C_LCDC_PIXELSIZE;
+    value |= bitsPerPixel;
+    AT91C_BASE_LCDC->LCDC_LCDCON2 = value;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the LCDD, LCDVSYNC, LCDHSYNC, LCDDOTCLK and LCDDEN signal polarities.
+/// \param lcdd  LCDD signal polarity.
+/// \param lcdvsync  LCDVSYNC signal polarity.
+/// \param lcdhsync  LCDHSYNC signal polarity.
+/// \param lcddotclk  LCDDOTCLK signal polarity.
+/// \param lcdden  LCDDEN signal polarity.
+//------------------------------------------------------------------------------
+void LCD_SetPolarities(
+    unsigned int lcdd,
+    unsigned int lcdvsync,
+    unsigned int lcdhsync,
+    unsigned int lcddotclk,
+    unsigned int lcdden)
+{
+    unsigned int value;
+
+    ASSERT((lcdd & ~AT91C_LCDC_INVVD) == 0,
+           "LCD_SetPolarities: Wrong lcdd value.\n\r");
+    ASSERT((lcdvsync & ~AT91C_LCDC_INVFRAME) == 0,
+           "LCD_SetPolarities: Wrong lcdvsync value.\n\r");
+    ASSERT((lcdhsync & ~AT91C_LCDC_INVLINE) == 0,
+           "LCD_SetPolarities: Wrong lcdhsync value.\n\r");
+    ASSERT((lcddotclk & ~AT91C_LCDC_INVCLK) == 0,
+           "LCD_SetPolarities: Wrong lcddotclk value.\n\r");
+    ASSERT((lcdden & ~AT91C_LCDC_INVDVAL) == 0,
+           "LCD_SetPolarities: Wrong lcdden value.\n\r");
+
+    value = AT91C_BASE_LCDC->LCDC_LCDCON2;
+    value &= 0xFFFFE0FF;
+    value |= lcdd | lcdvsync | lcdhsync | lcddotclk | lcdden;
+    AT91C_BASE_LCDC->LCDC_LCDCON2 = value;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the LCD clock mode, i.e. always active or active only during display
+/// period.
+/// \param clockMode  Clock mode to use.
+//------------------------------------------------------------------------------
+void LCD_SetClockMode(unsigned int clockMode)
+{
+    unsigned int value;
+
+    ASSERT((clockMode & ~AT91C_LCDC_CLKMOD) == 0,
+           "LCD_SetScanMode: Wrong scan mode value.\n\r");
+
+    value = AT91C_BASE_LCDC->LCDC_LCDCON2;
+    value &= ~AT91C_LCDC_CLKMOD;
+    value |= clockMode;
+    AT91C_BASE_LCDC->LCDC_LCDCON2 = value;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the format of the frame buffer memory.
+/// \param format  Memory ordering format.
+//------------------------------------------------------------------------------
+void LCD_SetMemoryFormat(unsigned int format)
+{
+    unsigned int value;
+
+    ASSERT((format & ~AT91C_LCDC_MEMOR) == 0,
+           "LCD_SetMemoryFormat: Wrong memory format value.\n\r");
+
+    value = AT91C_BASE_LCDC->LCDC_LCDCON2;
+    value &= ~AT91C_LCDC_MEMOR;
+    value |= format;
+    AT91C_BASE_LCDC->LCDC_LCDCON2 = value;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the size in pixel of the LCD display.
+/// \param width  Width in pixel of the LCD display.
+/// \param height  Height in pixel of the LCD display.
+//------------------------------------------------------------------------------
+void LCD_SetSize(unsigned int width, unsigned int height)
+{
+    ASSERT(((width - 1) & 0xFFFFF800) == 0,
+           "LCD_SetSize: Wrong width value.\n\r");
+    ASSERT(((height - 1) & 0xFFFFF800) == 0,
+           "LCD_SetSize: Wrong height value.\n\r");
+
+    AT91C_BASE_LCDC->LCDC_LCDFRCFG = ((width - 1) << 21) | (height - 1);
+}
+
+//------------------------------------------------------------------------------
+/// Sets the vertical timings of the LCD controller. Only meaningful when
+/// using a TFT display.
+/// \param vfp  Number of idle lines at the end of a frame.
+/// \param vbp  Number of idle lines at the beginning of a frame.
+/// \param vpw  Vertical synchronization pulse width in number of lines.
+/// \param vhdly  Delay between LCDVSYNC edge and LCDHSYNC rising edge, in
+///               LCDDOTCLK cycles.
+//------------------------------------------------------------------------------
+void LCD_SetVerticalTimings(
+    unsigned int vfp,
+    unsigned int vbp,
+    unsigned int vpw,
+    unsigned int vhdly)
+{
+    ASSERT((vfp & 0xFFFFFF00) == 0,
+           "LCD_SetVerticalTimings: Wrong vfp value.\n\r");
+    ASSERT((vbp & 0xFFFFFF00) == 0,
+           "LCD_SetVerticalTimings: Wrong vbp value.\n\r");
+    ASSERT(((vpw-1) & 0xFFFFFFC0) == 0,
+           "LCD_SetVerticalTimings: Wrong vpw value.\n\r");
+    ASSERT(((vhdly-1) & 0xFFFFFFF0) == 0,
+           "LCD_SetVerticalTimings: Wrong vhdly value.\n\r");
+
+    AT91C_BASE_LCDC->LCDC_TIM1 = vfp
+                                 | (vbp << 8)
+                                 | ((vpw-1) << 16)
+                                 | ((vhdly-1) << 24);
+}
+
+//------------------------------------------------------------------------------
+/// Sets the horizontal timings of the LCD controller. Meaningful for both
+/// STN and TFT displays.
+/// \param hbp  Number of idle LCDDOTCLK cycles at the beginning of a line.
+/// \param hpw  Width of the LCDHSYNC pulse, in LCDDOTCLK cycles.
+/// \param hfp  Number of idel LCDDOTCLK cycles at the end of a line.
+//------------------------------------------------------------------------------
+void LCD_SetHorizontalTimings(
+    unsigned int hbp,
+    unsigned int hpw,
+    unsigned int hfp)
+{
+    ASSERT(((hbp-1) & 0xFFFFFF00) == 0,
+           "LCD_SetHorizontalTimings: Wrong hbp value.\n\r");
+    ASSERT(((hpw-1) & 0xFFFFFFC0) == 0,
+           "LCD_SetHorizontalTimings: Wrong hpw value.\n\r");
+    ASSERT(((hfp-1) & 0xFFFFFF00) == 0,
+           "LCD_SetHorizontalTimings: Wrong hfp value.\n\r");
+
+    AT91C_BASE_LCDC->LCDC_TIM2 = (hbp-1) | ((hpw-1) << 8) | ((hfp-1) << 24);
+}
+
+//------------------------------------------------------------------------------
+/// Sets the address of the frame buffer in the LCD controller DMA. When using
+/// dual-scan mode, this is the upper frame buffer.
+/// \param address  Frame buffer address.
+//------------------------------------------------------------------------------
+void* LCD_SetFrameBufferAddress(void *address)
+{
+    void *pOldBuffer;
+    
+    pOldBuffer = (void *) AT91C_BASE_LCDC->LCDC_BA1;
+    AT91C_BASE_LCDC->LCDC_BA1 = (unsigned int) address;
+    
+    return pOldBuffer;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the size in pixels of a frame (height * width * bpp).
+/// \param frameSize  Size of frame in pixels.
+//------------------------------------------------------------------------------
+void LCD_SetFrameSize(unsigned int frameSize)
+{
+    ASSERT((frameSize & 0xFF800000) == 0,
+           "LCD_SetFrameSize: Wrong frameSize value.\n\r");
+
+    AT91C_BASE_LCDC->LCDC_FRMCFG = (frameSize& AT91C_LCDC_FRSIZE)
+                                 | (AT91C_BASE_LCDC->LCDC_FRMCFG & AT91C_LCDC_BLENGTH);
+}
+
+//------------------------------------------------------------------------------
+/// Sets the DMA controller burst length.
+/// \param burstLength  Desired burst length.
+//------------------------------------------------------------------------------
+void LCD_SetBurstLength(unsigned int burstLength)
+{
+    ASSERT(((burstLength-1) & 0xFFFFFF80) == 0,
+           "LCD_SetBurstLength: Wrong burstLength value.\n\r");
+
+    AT91C_BASE_LCDC->LCDC_FRMCFG &= ~AT91C_LCDC_BLENGTH;
+    AT91C_BASE_LCDC->LCDC_FRMCFG |= (((burstLength-1) << 24) & AT91C_LCDC_BLENGTH);
+
+    AT91C_BASE_LCDC->LCDC_FIFO = (2048 - (2 * burstLength + 3)) & AT91C_LCDC_FIFOTH;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the prescaler value of the contrast control PWM.
+/// \param prescaler  Desired prescaler value.
+//------------------------------------------------------------------------------
+void LCD_SetContrastPrescaler(unsigned int prescaler)
+{
+    ASSERT((prescaler & ~AT91C_LCDC_PS) == 0,
+           "LCD_SetContrastPrescaler: Wrong prescaler value\n\r");
+
+    AT91C_BASE_LCDC->LCDC_CTRSTCON &= ~AT91C_LCDC_PS;
+    AT91C_BASE_LCDC->LCDC_CTRSTCON |= prescaler;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the polarity of the contrast PWM.
+/// \param polarity  PWM polarity
+//------------------------------------------------------------------------------
+void LCD_SetContrastPolarity(unsigned int polarity)
+{
+    ASSERT((polarity & ~AT91C_LCDC_POL) == 0,
+           "LCD_SetContrastPolarity: Wrong polarity value\n\r");
+
+    AT91C_BASE_LCDC->LCDC_CTRSTCON &= ~AT91C_LCDC_POL;
+    AT91C_BASE_LCDC->LCDC_CTRSTCON |= polarity;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the threshold value of the constrast PWM.
+/// \param value  PWM threshold value.
+//------------------------------------------------------------------------------
+void LCD_SetContrastValue(unsigned int value)
+{
+    ASSERT((value & ~AT91C_LCDC_CVAL) == 0,
+           "LCD_SetContrastValue: Wrong value.\n\r");
+
+    AT91C_BASE_LCDC->LCDC_CTRSTVAL = value;
+}
+
+//------------------------------------------------------------------------------
+/// Enables the contrast PWM generator.
+//------------------------------------------------------------------------------
+void LCD_EnableContrast(void)
+{
+    AT91C_BASE_LCDC->LCDC_CTRSTCON |= AT91C_LCDC_ENA_PWMGEMENABLED;
+}
+
+//------------------------------------------------------------------------------
+/// Decode the RGB file
+/// \param file  Buffer which holds the RGB file.
+/// \param bufferLCD  Buffer in which to store the decoded image adapted to LCD.
+/// \param width  Buffer width in pixels.
+/// \param height  Buffer height in pixels.
+/// \param bpp  Number of bits per pixels that the buffer stores.
+//------------------------------------------------------------------------------
+void LCD_DecodeRGB(
+    unsigned char *file,
+    unsigned char *bufferLCD,
+    unsigned int width,
+    unsigned int height,
+    unsigned char bpp)
+{
+    unsigned int offsetLine=0, offsetLCD=0;
+    unsigned int offset=1;
+
+    while( offset < (BOARD_LCD_HEIGHT)) {
+        //TRACE_DEBUG("LCD:%d LINE:%d off:%d\n\r", offsetLCD,  offsetLine, offset);
+        if( width < BOARD_LCD_WIDTH ) {
+            //TRACE_DEBUG("width < BOARD_LCD_WIDTH\n\r");
+            while( offsetLine < (width*offset*(bpp/8)) ) {
+                bufferLCD[offsetLCD] = file[offsetLine];
+                offsetLine++;
+                offsetLCD++;
+            }
+            //TRACE_DEBUG("add white\n\r");
+            while( offsetLCD < (BOARD_LCD_WIDTH*offset*(bpp/8)) ) {
+                bufferLCD[offsetLCD] = 0;
+                //offsetLine++;
+                offsetLCD++;
+            }
+        }
+        else {
+            //TRACE_DEBUG(">");
+            while( offsetLCD < (BOARD_LCD_WIDTH*offset*(bpp/8)) ) {
+                bufferLCD[offsetLCD] = file[offsetLine];
+                offsetLine++;
+                offsetLCD++;
+            }
+            //TRACE_DEBUG("r ");
+            while( offsetLine < (width*offset*(bpp/8)) ) {
+                offsetLine++;
+            }            
+        }
+        offset++;
+    }        
+}
+
+#endif
+

Demo/CORTEX_AT91SAM3U256_IAR/AT91Lib/peripherals/lcd/lcd.h

@@ -0,0 +1,124 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support 
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+//------------------------------------------------------------------------------
+/// \unit
+///
+/// !Purpose
+///
+/// Interface for configuration the LCD Controller (LCDC) peripheral.
+///
+/// !Usage
+///
+/// -# Decode the RGB file to designated buffer using LCD_DecodeRGB().
+/// -# Sets the address of the frame buffer in the LCD controller DMA using
+/// LCD_SetFrameBufferAddress().
+/// -# LCD Configuration functions prefixed with "LCD_Set" refer to 
+/// the functions in the #Overview# tab.
+/// 
+/// Please refer to the list of functions in the #Overview# tab of this unit
+/// for more detailed information.
+//------------------------------------------------------------------------------
+
+#ifndef LCD_H
+#define LCD_H
+
+//------------------------------------------------------------------------------
+//         Exported functions
+//------------------------------------------------------------------------------
+
+extern void LCD_Enable(unsigned int frames);
+
+extern void LCD_Disable(unsigned int frames);
+
+extern void LCD_EnableDma(void);
+
+extern void LCD_DisableDma(void);
+
+extern void LCD_EnableInterrupts(unsigned int sources);
+
+extern void LCD_SetPixelClock(unsigned int masterClock, unsigned int pixelClock);
+
+extern void LCD_SetDisplayType(unsigned int displayType);
+
+extern void LCD_SetScanMode(unsigned int scanMode);
+
+extern void LCD_SetBitsPerPixel(unsigned int bitsPerPixel);
+
+extern void LCD_SetPolarities(
+    unsigned int lcdd,
+    unsigned int lcdvsync,
+    unsigned int lcdhsync,
+    unsigned int lcddotclk,
+    unsigned int lcdden);
+
+extern void LCD_SetClockMode(unsigned int clockMode);
+
+extern void LCD_SetMemoryFormat(unsigned int format);
+
+extern void LCD_SetSize(unsigned int width, unsigned int height);
+
+extern void LCD_SetVerticalTimings(
+    unsigned int vfp,
+    unsigned int vbp,
+    unsigned int vpw,
+    unsigned int vhdly);
+
+extern void LCD_SetHorizontalTimings(
+    unsigned int hbp,
+    unsigned int hpw,
+    unsigned int hfp);
+
+extern void* LCD_SetFrameBufferAddress(void *address);
+
+extern void LCD_SetFrameSize(unsigned int frameSize);
+
+extern void LCD_SetBurstLength(unsigned int burstLength);
+
+extern void LCD_SetContrastPrescaler(unsigned int prescaler);
+
+extern void LCD_SetContrastPolarity(unsigned int polarity);
+
+extern void LCD_SetContrastValue(unsigned int value);
+
+extern void LCD_EnableContrast(void);
+
+extern void LCD_SetPixelClock(unsigned int masterClock, unsigned int pixelClock);
+
+extern void LCD_DMAReset(void);
+
+extern void LCD_DecodeRGB(
+    unsigned char *file,
+    unsigned char *bufferLCD,
+    unsigned int width,
+    unsigned int height,
+    unsigned char bpp);
+
+#endif //#ifndef LCD_H
+