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166 lines
5.4 KiB
166 lines
5.4 KiB
/* --COPYRIGHT--,BSD
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* Copyright (c) 2013, Texas Instruments Incorporated
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* --/COPYRIGHT--*/
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//*****************************************************************************
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//
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// Close the Doxygen group.
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//! @}
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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// IMPORTANT NOTE: The following driver file has been modified to store
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// the LCD DisplayBuffer on FLASH memory. This is due to the limited amount
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// of RAM memory on the MSP430G2553 device.
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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// HAL_MSP-EXP430G2_Sharp96x96.c
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//
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//*****************************************************************************
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//
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//! \addtogroup display_api
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//! @{
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//
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//*****************************************************************************
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#include <msp430g2553.h>
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#include <stdint.h>
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#include "grlib.h"
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#include "HAL_MSP-EXP430G2_Sharp96x96.h"
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//*****************************************************************************
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//
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//! Initializes the display driver.
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//!
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//! This function initializes the Sharp96x96 display. This function
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//! configures the GPIO pins used to control the LCD display when the basic
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//! GPIO interface is in use. On exit, the LCD has been reset and is ready to
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//! receive command and data writes.
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//!
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//! \return None.
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//
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//*****************************************************************************
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void LCDInit(void)
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{
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// Configure:
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// LCD_MOSI_PIN for SPI_MOSI mode
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LCD_MOSI_PORT_SEL1 |= LCD_MOSI_PIN;
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LCD_MOSI_PORT_SEL2 |= LCD_MOSI_PIN;
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// Configure:
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// LCD_SCLK_PIN for SPI_CLK mode
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LCD_SCLK_PORT_SEL1 |= LCD_SCLK_PIN;
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LCD_SCLK_PORT_SEL2 |= LCD_SCLK_PIN;
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// Configure LCD_POWER_PIN as output to supply the LCD and LCD_DISP_PIN
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// as output for DISP
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LCD_POWER_DISP_DIR |= LCD_POWER_PIN + LCD_DISP_PIN;
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// Provide power to LCD and turn on DISP pins
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LCD_POWER_DISP_PORT |= LCD_POWER_PIN + LCD_DISP_PIN;
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// Configure LCD_SCS_PIN as output and clear pin
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LCD_SCS_DIR |= LCD_SCLK_PIN;
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ClearCS();
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// Configure USCIB0 for SPI mode:
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// SPI master,
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// 3-pin SPI,
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// 8-bit data,
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// Data is captured on the first UCLK edge and changed on the following edge
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// SMCLK sources USCI clock
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UCB0CTL0 |= UCCKPH + UCMSB + UCMST + UCSYNC;
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UCB0CTL1 |= UCSSEL_3;
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UCB0BR0 |= 0x08;
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UCB0BR1 = 0;
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// Initialize USCI state machine
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UCB0CTL1 &= ~UCSWRST;
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}
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//*****************************************************************************
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//
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//! Initialize DisplayBuffer.
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//!
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//! \param pvDisplayData is a pointer to the driver-specific data for this
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//! display driver.
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//!
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//! \param ucValue is the foreground color of the buffered data.
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//!
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//! This function initializes the display buffer and discards any cached data.
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//!
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//! \return None.
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//
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//*****************************************************************************
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void InitializeDisplayBuffer(void *pvDisplayData, uint8_t ucValue)
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{
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uint16_t i=0,j=0;
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uint8_t *pucData = pvDisplayData;
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uint16_t ucSegment = 0;
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UnlockFlashMemory();
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for(i =0; i< LCD_VERTICAL_MAX; i++){
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for(j =0; j< (LCD_HORIZONTAL_MAX>>3); j++){
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if(ucSegment==0 && ClrBlack != ucValue){
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SetFlashAccessRight(ERASE);
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//Dummy write to erase Flash segment
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*pucData=0;
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SetFlashAccessRight(WRT);
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}
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while(FCTL3&BUSY);
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*pucData++ = ucValue;
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ucSegment++;
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if(ucSegment == 512)
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ucSegment = 0;
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}
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}
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FinishMemoryWrite();
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}
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//*****************************************************************************
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//
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// Close the Doxygen group.
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//! @}
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//
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//*****************************************************************************
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