FreeCalypso > hg > freecalypso-tools

annotate target-utils/lunadrv/lcdout.c @ 1000:39a6090a052a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc/How-flash-really-works: article written
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 09 Dec 2023 09:08:19 +0000
parents db9a8e88e63f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
700
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * Generic LCD output operations are implemented here. All of the basic
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * LCD controller registers needed for these operations are the same
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * between ILI9225, ILI9225G and ST7775R controllers.
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 */
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <sys/types.h>
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include "types.h"
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include "luna.h"
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 set_lcd_addr_region(xstart, xend, ystart, yend)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 {
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 /* set window area */
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 LCD_REG_WR(0x36, xend);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 LCD_REG_WR(0x37, xstart);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 LCD_REG_WR(0x38, yend);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 LCD_REG_WR(0x39, ystart);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 /* set current write address */
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 LCD_REG_WR(0x20, xstart);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 LCD_REG_WR(0x21, ystart);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 /* set up for GRAM write */
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 LCD_IR = 0x22;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 }
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 void
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 cmd_fill(argbulk)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 char *argbulk;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 {
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 char *argv[2];
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 u_long pixval;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 unsigned n;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 return;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 if (parse_hexarg(argv[0], 4, &pixval) < 0) {
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 printf("ERROR: arg must be a valid 16-bit hex value\n");
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 return;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 }
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 set_lcd_addr_region(0, 175, 0, 219);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 for (n = 0; n < 176 * 220; n++)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 LCD_DR = pixval;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 }
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 void
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 cmd_rect(argbulk)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 char *argbulk;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 {
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 char *argv[6];
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 u_long pixval;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 int xstart, xend, ystart, yend;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 int npix;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 if (parse_args(argbulk, 5, 5, argv, 0) < 0)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 return;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 xstart = atoi(argv[0]);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 if (xstart < 0 || xstart > 175) {
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 range_err: printf("ERROR: coordinate arg out of range\n");
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 return;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 }
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 xend = atoi(argv[1]);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 if (xend < 0 || xend > 175)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 goto range_err;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 ystart = atoi(argv[2]);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 if (ystart < 0 || ystart > 219)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 goto range_err;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 yend = atoi(argv[3]);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 if (yend < 0 || yend > 219)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 goto range_err;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 if (xend < xstart || yend < ystart) {
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 printf("ERROR: negative range\n");
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 return;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 }
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 if (parse_hexarg(argv[4], 4, &pixval) < 0) {
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 printf("ERROR: pixel arg must be a valid 16-bit hex value\n");
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 return;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 }
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 set_lcd_addr_region(xstart, xend, ystart, yend);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 npix = (xend + 1 - xstart) * (yend + 1 - ystart);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 while (npix--)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 LCD_DR = pixval;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 }
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 void
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 cmd_mem2lcd(argbulk)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 char *argbulk;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 {
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 char *argv[2];
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 u_long addr;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 const u16 *rdmem;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 unsigned n;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 return;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 if (parse_hexarg(argv[0], 8, &addr) < 0) {
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 printf("ERROR: argument must be a valid 32-bit hex address\n");
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 return;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 }
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 if (addr & 1) {
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 printf("ERROR: unaligned address\n");
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 return;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 }
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 rdmem = (const u16 *) addr;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 set_lcd_addr_region(0, 175, 0, 219);
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 for (n = 0; n < 176 * 220; n++)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 LCD_DR = *rdmem++;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 }