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git.zerfleddert.de Git - proxmark3-svn/blob - armsrc/LCD.c
1 //-----------------------------------------------------------------------------
2 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
3 // at your option, any later version. See the LICENSE.txt file for the text of
5 //-----------------------------------------------------------------------------
7 //-----------------------------------------------------------------------------
14 void LCDSend(unsigned int data
)
16 // 9th bit set for data, clear for command
17 while ((AT91C_BASE_SPI
->SPI_SR
& AT91C_SPI_TXEMPTY
) == 0); // wait for the transfer to complete
18 // For clarity's sake we pass data with 9th bit clear and commands with 9th
19 // bit set since they're implemented as defines, se we need to invert bit
20 AT91C_BASE_SPI
->SPI_TDR
= data
^0x100; // Send the data/command
23 void LCDSetXY(unsigned char x
, unsigned char y
)
25 LCDSend(PPASET
); // page start/end ram
26 LCDSend(y
); // Start Page to display to
27 LCDSend(131); // End Page to display to
29 LCDSend(PCASET
); // column start/end ram
30 LCDSend(x
); // Start Column to display to
31 LCDSend(131); // End Column to display to
34 void LCDSetPixel(unsigned char x
, unsigned char y
, unsigned char color
)
36 LCDSetXY(x
,y
); // Set position
37 LCDSend(PRAMWR
); // Now write the pixel to the display
38 LCDSend(color
); // Write the data in the specified Color
41 void LCDFill (unsigned char xs
,unsigned char ys
,unsigned char width
,unsigned char height
, unsigned char color
)
45 for (i
=0;i
< height
;i
++) // Number of horizontal lines
47 LCDSetXY(xs
,ys
+i
); // Goto start of fill area (Top Left)
48 LCDSend(PRAMWR
); // Write to display
50 for (j
=0;j
< width
;j
++) // pixels per line
55 void LCDString (char *lcd_string
, const char *font_style
,unsigned char x
, unsigned char y
, unsigned char fcolor
, unsigned char bcolor
)
58 unsigned char mask
=0, px
, py
, xme
, yme
, offset
;
61 data
= font_style
; // point to the start of the font table
63 xme
= *data
; // get font x width
65 yme
= *data
; // get font y length
67 offset
= *data
; // get data bytes per font
71 // point to data in table to be loaded
72 data
= (font_style
+ offset
) + (offset
* (int)(*lcd_string
- 32));
74 for (i
=0;i
< yme
;i
++) {
77 for (px
=x
; px
< (x
+ xme
); px
++) {
80 if (*data
& mask
) LCDSetPixel (px
,py
,fcolor
);
81 else LCDSetPixel (px
,py
,bcolor
);
89 lcd_string
++; // next character in string
91 } while(*lcd_string
!='\0'); // keep spitting chars out until end of string
97 SetupSpi(SPI_LCD_MODE
);
112 LCDSend(PSWRESET
); // software reset
114 LCDSend(PSLEEPOUT
); // exit sleep mode
115 LCDSend(PBSTRON
); // booster on
116 LCDSend(PDISPON
); // display on
117 LCDSend(PNORON
); // normal on
118 LCDSend(PMADCTL
); // rotate display 180 deg
121 LCDSend(PCOLMOD
); // color mode
122 LCDSend(0x02); // 8bpp color mode
124 LCDSend(PSETCON
); // set contrast
129 LCDSend(PRAMWR
); // Write to display
131 while(i
--) LCDSend(WHITE
);
133 // test text on different colored backgrounds
134 LCDString(" The quick brown fox ", (char *)&FONT6x8
,1,1+8*0,WHITE
,BLACK
);
135 LCDString(" jumped over the ", (char *)&FONT6x8
,1,1+8*1,BLACK
,WHITE
);
136 LCDString(" lazy dog. ", (char *)&FONT6x8
,1,1+8*2,YELLOW
,RED
);
137 LCDString(" AaBbCcDdEeFfGgHhIiJj ", (char *)&FONT6x8
,1,1+8*3,RED
,GREEN
);
138 LCDString(" KkLlMmNnOoPpQqRrSsTt ", (char *)&FONT6x8
,1,1+8*4,MAGENTA
,BLUE
);
139 LCDString("UuVvWwXxYyZz0123456789", (char *)&FONT6x8
,1,1+8*5,BLUE
,YELLOW
);
140 LCDString("`-=[]_;',./~!@#$%^&*()", (char *)&FONT6x8
,1,1+8*6,BLACK
,CYAN
);
141 LCDString(" _+{}|:\\\"<>? ",(char *)&FONT6x8
,1,1+8*7,BLUE
,MAGENTA
);
144 LCDFill(0, 1+8* 8, 132, 8, BLACK
);
145 LCDFill(0, 1+8* 9, 132, 8, WHITE
);
146 LCDFill(0, 1+8*10, 132, 8, RED
);
147 LCDFill(0, 1+8*11, 132, 8, GREEN
);
148 LCDFill(0, 1+8*12, 132, 8, BLUE
);
149 LCDFill(0, 1+8*13, 132, 8, YELLOW
);
150 LCDFill(0, 1+8*14, 132, 8, CYAN
);
151 LCDFill(0, 1+8*15, 132, 8, MAGENTA
);