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comparison target-utils/pirexplore/lcd.c @ 78:2c266d4339ff

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pirexplore: lcdfill implemented
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Thu, 01 Aug 2013 02:27:09 +0000
parents fcbe1332b197
children f65df1d640aa
comparison
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77:fcbe1332b197 78:2c266d4339ff
1 /*
2 * Almost all of this Pirelli LCD black magic has been lifted from OsmocomBB.
3 */
4
1 #include <sys/types.h> 5 #include <sys/types.h>
2 #include "types.h" 6 #include "types.h"
3 7
4 #define GPIO_OUT_REG (*(volatile u16 *)0xFFFE4802) 8 #define GPIO_OUT_REG (*(volatile u16 *)0xFFFE4802)
5 #define nCS4_ADDR0 (*(volatile u16 *)0x02800000) 9 #define nCS4_ADDR0 (*(volatile u16 *)0x02800000)
119 cmd_lcdinit() 123 cmd_lcdinit()
120 { 124 {
121 GPIO_OUT_REG |= 0x0080; 125 GPIO_OUT_REG |= 0x0080;
122 fb_s6b33b1x_send_cmdlist(s6b33b1x_initdata); 126 fb_s6b33b1x_send_cmdlist(s6b33b1x_initdata);
123 } 127 }
128
129 set_lcd_addr_region(xstart, xend, ystart, yend)
130 {
131 GPIO_OUT_REG |= 0x0080;
132 nCS4_ADDR0 = 0x42;
133 nCS4_ADDR0 = xstart;
134 nCS4_ADDR0 = xend;
135 nCS4_ADDR0 = 0x43;
136 nCS4_ADDR0 = ystart;
137 nCS4_ADDR0 = yend;
138 }
139
140 void
141 cmd_lcdfill(argbulk)
142 char *argbulk;
143 {
144 int argc;
145 char *argv[6];
146 u_long pixval;
147 int xstart, xend, ystart, yend;
148 int npix;
149
150 if (parse_args(argbulk, 1, 5, argv, &argc) < 0)
151 return;
152 if (parse_hexarg(argv[0], 4, &pixval) < 0) {
153 printf("ERROR: arg1 must be a valid 16-bit hex value\n");
154 return;
155 }
156 switch (argc) {
157 case 1:
158 xstart = ystart = 0;
159 xend = yend = 131;
160 break;
161 case 5:
162 xstart = atoi(argv[1]);
163 if (xstart < 0 || xstart > 131) {
164 range_err: printf("ERROR: coordinate arg out of range\n");
165 return;
166 }
167 xend = atoi(argv[2]);
168 if (xend < 0 || xend > 131)
169 goto range_err;
170 ystart = atoi(argv[3]);
171 if (ystart < 0 || ystart > 131)
172 goto range_err;
173 yend = atoi(argv[4]);
174 if (yend < 0 || yend > 131)
175 goto range_err;
176 if (xend < xstart || yend < ystart) {
177 printf("ERROR: negative range\n");
178 return;
179 }
180 break;
181 default:
182 printf("ERROR: wrong number of arguments\n");
183 return;
184 }
185 set_lcd_addr_region(xstart, xend, ystart, yend);
186 npix = (xend + 1 - xstart) * (yend + 1 - ystart);
187 while (npix--)
188 nCS4_ADDR2 = pixval;
189 }