FreeCalypso > hg > freecalypso-tools

comparison target-utils/c139explore/lcd.c @ 0:e7502631a0f9

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initial import from freecalypso-sw rev 1033:5ab737ac3ad7
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 11 Jun 2016 00:13:35 +0000
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-1:000000000000 0:e7502631a0f9
1 #include <sys/types.h>
2 #include "types.h"
3
4 static void
5 send_cmd_data(cmdbyte, databyte)
6 {
7 send_via_uwire(cmdbyte);
8 send_via_uwire(databyte | 0x100);
9 }
10
11 void
12 cmd_lcdcmd(argbulk)
13 char *argbulk;
14 {
15 char *argv[3];
16 u_long cmd, data;
17
18 if (parse_args(argbulk, 2, 2, argv, 0) < 0)
19 return;
20 if (parse_hexarg(argv[0], 2, &cmd) < 0) {
21 printf("ERROR: arg1 must be a valid 8-bit hex value\n");
22 return;
23 }
24 if (parse_hexarg(argv[1], 2, &data) < 0) {
25 printf("ERROR: arg2 must be a valid 8-bit hex value\n");
26 return;
27 }
28 send_cmd_data(cmd, data);
29 }
30
31 static void
32 send_pixel_value(pix)
33 {
34 send_via_uwire((pix >> 8) | 0x100);
35 send_via_uwire((pix & 0xFF) | 0x100);
36 }
37
38 void
39 cmd_lcdpix(argbulk)
40 char *argbulk;
41 {
42 char *argv[2];
43 u_long pixval;
44
45 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
46 return;
47 if (parse_hexarg(argv[0], 4, &pixval) < 0) {
48 printf("ERROR: arg1 must be a valid 16-bit hex value\n");
49 return;
50 }
51 send_pixel_value(pixval);
52 }
53
54 void
55 cmd_lcdinit()
56 {
57 /* from OsmocomBB */
58 send_cmd_data(0x3F, 0x01);
59 send_cmd_data(0x20, 0x03);
60 send_cmd_data(0x31, 0x03);
61 }
62
63 static void
64 set_lcd_addr_region(xstart, xend, ystart, yend)
65 {
66 send_cmd_data(0x10, xstart);
67 send_cmd_data(0x11, ystart);
68 send_cmd_data(0x12, xend);
69 send_cmd_data(0x13, yend);
70 send_cmd_data(0x14, xstart);
71 send_cmd_data(0x15, ystart);
72 }
73
74 void
75 cmd_lcdfill(argbulk)
76 char *argbulk;
77 {
78 int argc;
79 char *argv[6];
80 u_long pixval;
81 int xstart, xend, ystart, yend;
82 int npix;
83
84 if (parse_args(argbulk, 1, 5, argv, &argc) < 0)
85 return;
86 if (parse_hexarg(argv[0], 4, &pixval) < 0) {
87 printf("ERROR: arg1 must be a valid 16-bit hex value\n");
88 return;
89 }
90 switch (argc) {
91 case 1:
92 xstart = ystart = 0;
93 xend = 95;
94 yend = 63;
95 break;
96 case 5:
97 xstart = atoi(argv[1]);
98 if (xstart < 0 || xstart > 95) {
99 range_err: printf("ERROR: coordinate arg out of range\n");
100 return;
101 }
102 xend = atoi(argv[2]);
103 if (xend < 0 || xend > 95)
104 goto range_err;
105 ystart = atoi(argv[3]);
106 if (ystart < 0 || ystart > 63)
107 goto range_err;
108 yend = atoi(argv[4]);
109 if (yend < 0 || yend > 63)
110 goto range_err;
111 if (xend < xstart || yend < ystart) {
112 printf("ERROR: negative range\n");
113 return;
114 }
115 break;
116 default:
117 printf("ERROR: wrong number of arguments\n");
118 return;
119 }
120 set_lcd_addr_region(xstart, xend, ystart, yend);
121 npix = (xend + 1 - xstart) * (yend + 1 - ystart);
122 while (npix--)
123 send_pixel_value(pixval);
124 }
125
126 void
127 cmd_hbars()
128 {
129 int i, j, k, p;
130
131 /*
132 * The result of this command should be 8 horizontal bars
133 * in the natural RGB order.
134 */
135 set_lcd_addr_region(16, 79, 0, 63);
136 for (i = 0; i < 8; i++) {
137 for (j = 0; j < 8; j++) {
138 p = 0;
139 if (i & 4)
140 p |= 0xF800;
141 if (i & 2)
142 p |= 0x07E0;
143 if (i & 1)
144 p |= 0x001F;
145 for (k = 0; k < 64; k++)
146 send_pixel_value(p);
147 }
148 }
149 }
150
151 void
152 cmd_vbars()
153 {
154 int i, j, k, p;
155
156 /*
157 * The result of this command should be 8 vertical bars
158 * in the natural RGB order.
159 */
160 set_lcd_addr_region(16, 79, 0, 63);
161 for (i = 0; i < 64; i++) {
162 for (j = 0; j < 8; j++) {
163 p = 0;
164 if (j & 4)
165 p |= 0xF800;
166 if (j & 2)
167 p |= 0x07E0;
168 if (j & 1)
169 p |= 0x001F;
170 for (k = 0; k < 8; k++)
171 send_pixel_value(p);
172 }
173 }
174 }