proxmark3/armsrc/LCD.c
2012-12-04 23:39:18 +00:00

154 lines
4.4 KiB
C

//-----------------------------------------------------------------------------
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// LCD code
//-----------------------------------------------------------------------------
#include "proxmark3.h"
#include "apps.h"
#include "LCD.h"
#include "fonts.h"
void LCDSend(unsigned int data)
{
// 9th bit set for data, clear for command
while ((AT91C_BASE_SPI->SPI_SR & AT91C_SPI_TXEMPTY) == 0); // wait for the transfer to complete
// For clarity's sake we pass data with 9th bit clear and commands with 9th
// bit set since they're implemented as defines, se we need to invert bit
AT91C_BASE_SPI->SPI_TDR = data^0x100; // Send the data/command
}
void LCDSetXY(unsigned char x, unsigned char y)
{
LCDSend(PPASET); // page start/end ram
LCDSend(y); // Start Page to display to
LCDSend(131); // End Page to display to
LCDSend(PCASET); // column start/end ram
LCDSend(x); // Start Column to display to
LCDSend(131); // End Column to display to
}
void LCDSetPixel(unsigned char x, unsigned char y, unsigned char color)
{
LCDSetXY(x,y); // Set position
LCDSend(PRAMWR); // Now write the pixel to the display
LCDSend(color); // Write the data in the specified Color
}
void LCDFill (unsigned char xs,unsigned char ys,unsigned char width,unsigned char height, unsigned char color)
{
unsigned char i,j;
for (i=0;i < height;i++) // Number of horizontal lines
{
LCDSetXY(xs,ys+i); // Goto start of fill area (Top Left)
LCDSend(PRAMWR); // Write to display
for (j=0;j < width;j++) // pixels per line
LCDSend(color);
}
}
void LCDString (char *lcd_string, const char *font_style,unsigned char x, unsigned char y, unsigned char fcolor, unsigned char bcolor)
{
unsigned int i;
unsigned char mask=0, px, py, xme, yme, offset;
const char *data;
data = font_style; // point to the start of the font table
xme = *data; // get font x width
data++;
yme = *data; // get font y length
data++;
offset = *data; // get data bytes per font
do
{
// point to data in table to be loaded
data = (font_style + offset) + (offset * (int)(*lcd_string - 32));
for (i=0;i < yme;i++) {
mask |=0x80;
for (px=x; px < (x + xme); px++) {
py= y + i;
if (*data & mask) LCDSetPixel (px,py,fcolor);
else LCDSetPixel (px,py,bcolor);
mask>>=1;
}
data++;
}
x+=xme;
lcd_string++; // next character in string
} while(*lcd_string !='\0'); // keep spitting chars out until end of string
}
void LCDReset(void)
{
LED_A_ON();
SetupSpi(SPI_LCD_MODE);
LOW(GPIO_LRST);
SpinDelay(100);
HIGH(GPIO_LRST);
SpinDelay(100);
LED_A_OFF();
}
void LCDInit(void)
{
int i;
LCDReset();
LCDSend(PSWRESET); // software reset
SpinDelay(100);
LCDSend(PSLEEPOUT); // exit sleep mode
LCDSend(PBSTRON); // booster on
LCDSend(PDISPON); // display on
LCDSend(PNORON); // normal on
LCDSend(PMADCTL); // rotate display 180 deg
LCDSend(0xC0);
LCDSend(PCOLMOD); // color mode
LCDSend(0x02); // 8bpp color mode
LCDSend(PSETCON); // set contrast
LCDSend(0xDC);
// clear display
LCDSetXY(0,0);
LCDSend(PRAMWR); // Write to display
i=LCD_XRES*LCD_YRES;
while(i--) LCDSend(WHITE);
// test text on different colored backgrounds
LCDString(" The quick brown fox ", (char *)&FONT6x8,1,1+8*0,WHITE ,BLACK );
LCDString(" jumped over the ", (char *)&FONT6x8,1,1+8*1,BLACK ,WHITE );
LCDString(" lazy dog. ", (char *)&FONT6x8,1,1+8*2,YELLOW ,RED );
LCDString(" AaBbCcDdEeFfGgHhIiJj ", (char *)&FONT6x8,1,1+8*3,RED ,GREEN );
LCDString(" KkLlMmNnOoPpQqRrSsTt ", (char *)&FONT6x8,1,1+8*4,MAGENTA,BLUE );
LCDString("UuVvWwXxYyZz0123456789", (char *)&FONT6x8,1,1+8*5,BLUE ,YELLOW);
LCDString("`-=[]_;',./~!@#$%^&*()", (char *)&FONT6x8,1,1+8*6,BLACK ,CYAN );
LCDString(" _+{}|:\\\"<>? ",(char *)&FONT6x8,1,1+8*7,BLUE ,MAGENTA);
// color bands
LCDFill(0, 1+8* 8, 132, 8, BLACK);
LCDFill(0, 1+8* 9, 132, 8, WHITE);
LCDFill(0, 1+8*10, 132, 8, RED);
LCDFill(0, 1+8*11, 132, 8, GREEN);
LCDFill(0, 1+8*12, 132, 8, BLUE);
LCDFill(0, 1+8*13, 132, 8, YELLOW);
LCDFill(0, 1+8*14, 132, 8, CYAN);
LCDFill(0, 1+8*15, 132, 8, MAGENTA);
}