/* ---------------------------------------------------------------------------- | |
* SAM Software Package License | |
* ---------------------------------------------------------------------------- | |
* Copyright (c) 2011, 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. | |
* ---------------------------------------------------------------------------- | |
*/ | |
/** | |
* \file | |
* | |
* Implementation of LCD driver, Include LCD initialization, | |
* LCD on/off and LCD back-light control. | |
* | |
*/ | |
/*---------------------------------------------------------------------------- | |
* Headers | |
*----------------------------------------------------------------------------*/ | |
#include "board.h" | |
#include <stdint.h> | |
/*---------------------------------------------------------------------------- | |
* Local variables | |
*----------------------------------------------------------------------------*/ | |
uint8_t ili9488_lcdMode; | |
/*---------------------------------------------------------------------------- | |
* Exported functions | |
*----------------------------------------------------------------------------*/ | |
/** | |
* \brief Turn on the LCD. | |
*/ | |
void LCDD_On( void) | |
{ | |
if (ili9488_lcdMode == ILI9488_SPIMODE ) { | |
ILI9488_SpiOn(); | |
} else { | |
ILI9488_EbiOn(); | |
} | |
} | |
/** | |
* \brief Turn off the LCD. | |
*/ | |
void LCDD_Off( void) | |
{ | |
if (ili9488_lcdMode == ILI9488_SPIMODE ) { | |
ILI9488_SpiOff(); | |
} else { | |
ILI9488_EbiOff(); | |
} | |
} | |
/** | |
* \brief Set the back-light of the LCD. | |
* | |
* \param level Back-light brightness level [1..16], 1 means maximum brightness. | |
*/ | |
#if defined (BOARD_LCD_SPI_EXT1) | |
void LCDD_SpiSetBacklight (uint32_t level) | |
{ | |
/* Ensure valid level */ | |
level = (level < 1) ? 1 : level; | |
level = (level > 16) ? 16 : level; | |
PWMC_SetDutyCycle(PWM0, CHANNEL_PWM_LCD, level); | |
} | |
#endif | |
/** | |
* \brief Initializes the LCD controller. | |
* Configure SMC to access LCD controller at 64MHz MCK. | |
* \param lcdMode LCD_SPI or LCD_EBI mode | |
* \param cRotate rotate direction 0: H 1:V | |
*/ | |
void LCDD_Initialize( uint8_t lcdMode, sXdmad * dmad, uint8_t cRotate) | |
{ | |
ili9488_lcdMode = lcdMode; | |
/* Initialize LCD controller */ | |
if (lcdMode == ILI9488_SPIMODE ) { | |
ILI9488_SpiInitialize(dmad) ; | |
ILI9488_SpiSetDisplayLandscape(1, cRotate); | |
} else { | |
ILI9488_EbiInitialize(dmad) ; | |
ILI9488_EbiSetDisplayLandscape(1, cRotate); | |
} | |
#if defined (BOARD_LCD_SPI_EXT1) | |
/* Set LCD back-light */ | |
LCDD_SpiSetBacklight( 16 ); | |
#endif | |
} | |