我按照C6748_StarterWare_1_20_04_01里的例程配置了我的LCD，这里是代码，根据LCD实际手册做了参数调整；
/**
* \file rasterDisplay.c
*
* \brief Sample application for raster
*/
/*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
*
* 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 following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS 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 "raster.h"
#include "psc.h"
#include "interrupt.h"
#include "soc_C6748.h"
#include "hw_psc_C6748.h"
#include "hw_syscfg0_C6748.h"
#include "hw_types.h"
#include "lcdkC6748.h"
//#include "image.h"
#include "bsp_lcd.h"
#include "bsp_pll.h"
void LCDDisplay(void)
{
unsigned int status;
status = RasterIntStatus(SOC_LCDC_0_REGS,RASTER_END_OF_FRAME0_INT_STAT |
RASTER_END_OF_FRAME1_INT_STAT );
status = RasterClearGetIntStatus(SOC_LCDC_0_REGS, status);
// if (status & RASTER_END_OF_FRAME0_INT_STAT)
// {
// RasterDMAFBConfig(SOC_LCDC_0_REGS,
// (unsigned int)image1,
// (unsigned int)image1 + sizeof(image1) - 2,
// 0);
// }
//
// if(status & RASTER_END_OF_FRAME1_INT_STAT)
// {
// RasterDMAFBConfig(SOC_LCDC_0_REGS,
// (unsigned int)image1,
// (unsigned int)image1 + sizeof(image1) - 2,
// 1);
// }
}
void LCDInit(void)
{
// Ensure that SysCfg registers are unlocked
KickUnlock();
// Increase LCDC Master Priority to 0 to prevent FIFO underruns
HWREG(SOC_SYSCFG_0_REGS + SYSCFG0_MSTPRI2) &= 0x0FFFFFFF;
LCDSetupIntc();
SetUpLCD();
/* configuring the base ceiling */
RasterDMAFBConfig(SOC_LCDC_0_REGS,
(unsigned int)image1,
(unsigned int)image1 + sizeof(image1) - 2,
0);
RasterDMAFBConfig(SOC_LCDC_0_REGS,
(unsigned int)image1,
(unsigned int)image1 + sizeof(image1) - 2,
1);
/* enable End of frame interrupt */
RasterEndOfFrameIntEnable(SOC_LCDC_0_REGS);
/* enable raster */
RasterEnable(SOC_LCDC_0_REGS);
}
/*
** Configures raster to display image
*/
void SetUpLCD(void)
{
PSCModuleControl(SOC_PSC_1_REGS, HW_PSC_LCDC, PSC_POWERDOMAIN_ALWAYS_ON,
PSC_MDCTL_NEXT_ENABLE);
LCDPinMuxSetup();
/* disable raster */
RasterDisable(SOC_LCDC_0_REGS);
/* configure the pclk */
RasterClkConfig(SOC_LCDC_0_REGS, 40000000, 150000000);
/* configuring DMA of LCD controller */
RasterDMAConfig(SOC_LCDC_0_REGS, RASTER_DOUBLE_FRAME_BUFFER,
RASTER_BURST_SIZE_16, RASTER_FIFO_THRESHOLD_8,
RASTER_BIG_ENDIAN_DISABLE);
/* configuring modes(ex:tft or stn,color or monochrome etc) for raster controller */
RasterModeConfig(SOC_LCDC_0_REGS, RASTER_DISPLAY_MODE_TFT,
RASTER_PALETTE_DATA, RASTER_COLOR, RASTER_EXTRAPOLATE);
/* frame buffer data is ordered from least to Most significant bye */
RasterLSBDataOrderSelect(SOC_LCDC_0_REGS);
/* disable nibble mode */
RasterNibbleModeDisable(SOC_LCDC_0_REGS);
/* configuring the polarity of timing parameters of raster controller */
RasterTiming2Configure(SOC_LCDC_0_REGS, RASTER_FRAME_CLOCK_LOW |
RASTER_LINE_CLOCK_LOW |
RASTER_PIXEL_CLOCK_LOW |
RASTER_SYNC_EDGE_RISING|
RASTER_SYNC_CTRL_ACTIVE|
RASTER_AC_BIAS_HIGH , 0, 255);
/* configuring horizontal timing parameter */
RasterHparamConfig(SOC_LCDC_0_REGS, 800, 40, 354, 46);
/* configuring vertical timing parameters */
RasterVparamConfig(SOC_LCDC_0_REGS, 600, 20, 77, 23);
/* configuring fifo delay to */
RasterFIFODMADelayConfig(SOC_LCDC_0_REGS, 2);
// RasterEnable(SOC_LCDC_0_REGS);
}
/*
** configures arm interrupt controller to generate raster interrupt
*/
void LCDSetupIntc(void)
{
// Register ISR to vector table
IntRegister(C674X_MASK_INT7, BspLCDIsr);
// Map system interrupt to DSP maskable interrupt
IntEventMap(C674X_MASK_INT7, SYS_INT_LCDC_INT);
// Enable DSP maskable interrupt
IntEnable(C674X_MASK_INT7);
}
/*
** For each end of frame interrupt base and ceiling is reconfigured
*/
void BspLCDIsr(void)
{
unsigned int status;
IntEventClear(SYS_INT_LCDC_INT);
status = RasterIntStatus(SOC_LCDC_0_REGS,RASTER_END_OF_FRAME0_INT_STAT |
RASTER_END_OF_FRAME1_INT_STAT );
status = RasterClearGetIntStatus(SOC_LCDC_0_REGS, status);
if (status & RASTER_END_OF_FRAME0_INT_STAT)
{
RasterDMAFBConfig(SOC_LCDC_0_REGS,
(unsigned int)image1,
(unsigned int)image1 + sizeof(image1) - 2,
0);
}
if(status & RASTER_END_OF_FRAME1_INT_STAT)
{
RasterDMAFBConfig(SOC_LCDC_0_REGS,
(unsigned int)image1,
(unsigned int)image1 + sizeof(image1) - 2,
1);
}
}
/***************************** End Of File ************************************/
这里是LCD硬件连接图
这里是LCD部分参数
，配置完成后，仿真屏幕就只闪一下，然后就没动作了，我代码还有什么地方没配置吗 还是配置有误，望请不吝赐教
