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1 | #include <proxmark3.h> | |
2 | #include "apps.h" | |
3 | #include "LCD.h" | |
4 | ||
5 | void LCDSend(unsigned int data) | |
6 | { | |
7 | // 9th bit set for data, clear for command | |
8 | while ((AT91C_BASE_SPI->SPI_SR & AT91C_SPI_TXEMPTY) == 0); // wait for the transfer to complete | |
9 | // For clarity's sake we pass data with 9th bit clear and commands with 9th | |
10 | // bit set since they're implemented as defines, se we need to invert bit | |
11 | AT91C_BASE_SPI->SPI_TDR = data^0x100; // Send the data/command | |
12 | } | |
13 | ||
14 | void LCDSetXY(unsigned char x, unsigned char y) | |
15 | { | |
16 | LCDSend(PPASET); // page start/end ram | |
17 | LCDSend(y); // Start Page to display to | |
18 | LCDSend(131); // End Page to display to | |
19 | ||
20 | LCDSend(PCASET); // column start/end ram | |
21 | LCDSend(x); // Start Column to display to | |
22 | LCDSend(131); // End Column to display to | |
23 | } | |
24 | ||
25 | void LCDSetPixel(unsigned char x, unsigned char y, unsigned char color) | |
26 | { | |
27 | LCDSetXY(x,y); // Set position | |
28 | LCDSend(PRAMWR); // Now write the pixel to the display | |
29 | LCDSend(color); // Write the data in the specified Color | |
30 | } | |
31 | ||
32 | void LCDFill (unsigned char xs,unsigned char ys,unsigned char width,unsigned char height, unsigned char color) | |
33 | { | |
34 | unsigned char i,j; | |
35 | ||
36 | for (i=0;i < height;i++) // Number of horizontal lines | |
37 | { | |
38 | LCDSetXY(xs,ys+i); // Goto start of fill area (Top Left) | |
39 | LCDSend(PRAMWR); // Write to display | |
40 | ||
41 | for (j=0;j < width;j++) // pixels per line | |
42 | LCDSend(color); | |
43 | } | |
44 | } | |
45 | ||
46 | void LCDString (char *lcd_string, const char *font_style,unsigned char x, unsigned char y, unsigned char fcolor, unsigned char bcolor) | |
47 | { | |
48 | unsigned int i; | |
49 | unsigned char mask=0, px, py, xme, yme, offset; | |
50 | const char *data; | |
51 | ||
52 | data = font_style; // point to the start of the font table | |
53 | ||
54 | xme = *data; // get font x width | |
55 | data++; | |
56 | yme = *data; // get font y length | |
57 | data++; | |
58 | offset = *data; // get data bytes per font | |
59 | ||
60 | do | |
61 | { | |
62 | // point to data in table to be loaded | |
63 | data = (font_style + offset) + (offset * (int)(*lcd_string - 32)); | |
64 | ||
65 | for (i=0;i < yme;i++) { | |
66 | mask |=0x80; | |
67 | ||
68 | for (px=x; px < (x + xme); px++) { | |
69 | py= y + i; | |
70 | ||
71 | if (*data & mask) LCDSetPixel (px,py,fcolor); | |
72 | else LCDSetPixel (px,py,bcolor); | |
73 | ||
74 | mask>>=1; | |
75 | } | |
76 | data++; | |
77 | } | |
78 | x+=xme; | |
79 | ||
80 | lcd_string++; // next character in string | |
81 | ||
82 | } while(*lcd_string !='\0'); // keep spitting chars out until end of string | |
83 | } | |
84 | ||
85 | void LCDReset(void) | |
86 | { | |
87 | LED_A_ON(); | |
88 | SetupSpi(SPI_LCD_MODE); | |
89 | LOW(GPIO_LRST); | |
90 | SpinDelay(100); | |
91 | ||
92 | HIGH(GPIO_LRST); | |
93 | SpinDelay(100); | |
94 | LED_A_OFF(); | |
95 | } | |
96 | ||
97 | void LCDInit(void) | |
98 | { | |
99 | int i; | |
100 | ||
101 | LCDReset(); | |
102 | ||
103 | LCDSend(PSWRESET); // software reset | |
104 | SpinDelay(100); | |
105 | LCDSend(PSLEEPOUT); // exit sleep mode | |
106 | LCDSend(PBSTRON); // booster on | |
107 | LCDSend(PDISPON); // display on | |
108 | LCDSend(PNORON); // normal on | |
109 | LCDSend(PMADCTL); // rotate display 180 deg | |
110 | LCDSend(0xC0); | |
111 | ||
112 | LCDSend(PCOLMOD); // color mode | |
113 | LCDSend(0x02); // 8bpp color mode | |
114 | ||
115 | LCDSend(PSETCON); // set contrast | |
116 | LCDSend(0xDC); | |
117 | ||
118 | // clear display | |
119 | LCDSetXY(0,0); | |
120 | LCDSend(PRAMWR); // Write to display | |
121 | i=LCD_XRES*LCD_YRES; | |
122 | while(i--) LCDSend(WHITE); | |
123 | } |