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comparison target-utils/pirexplore/lcd.c @ 104:f65df1d640aa

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pirexplore: approaching sanity with the LCD
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 02 Sep 2013 03:07:07 +0000
parents 2c266d4339ff
children b26b7459bd44
comparison
equal deleted inserted replaced
103:ac310ee73788 104:f65df1d640aa
128 128
129 set_lcd_addr_region(xstart, xend, ystart, yend) 129 set_lcd_addr_region(xstart, xend, ystart, yend)
130 { 130 {
131 GPIO_OUT_REG |= 0x0080; 131 GPIO_OUT_REG |= 0x0080;
132 nCS4_ADDR0 = 0x42; 132 nCS4_ADDR0 = 0x42;
133 nCS4_ADDR0 = ystart + 4;
134 nCS4_ADDR0 = yend + 4;
135 nCS4_ADDR0 = 0x43;
133 nCS4_ADDR0 = xstart; 136 nCS4_ADDR0 = xstart;
134 nCS4_ADDR0 = xend; 137 nCS4_ADDR0 = xend;
135 nCS4_ADDR0 = 0x43;
136 nCS4_ADDR0 = ystart;
137 nCS4_ADDR0 = yend;
138 } 138 }
139 139
140 void 140 void
141 cmd_lcdfill(argbulk) 141 cmd_lcdfill(argbulk)
142 char *argbulk; 142 char *argbulk;
154 return; 154 return;
155 } 155 }
156 switch (argc) { 156 switch (argc) {
157 case 1: 157 case 1:
158 xstart = ystart = 0; 158 xstart = ystart = 0;
159 xend = yend = 131; 159 xend = yend = 127;
160 break; 160 break;
161 case 5: 161 case 5:
162 xstart = atoi(argv[1]); 162 xstart = atoi(argv[1]);
163 if (xstart < 0 || xstart > 131) { 163 if (xstart < 0 || xstart > 127) {
164 range_err: printf("ERROR: coordinate arg out of range\n"); 164 range_err: printf("ERROR: coordinate arg out of range\n");
165 return; 165 return;
166 } 166 }
167 xend = atoi(argv[2]); 167 xend = atoi(argv[2]);
168 if (xend < 0 || xend > 131) 168 if (xend < 0 || xend > 127)
169 goto range_err; 169 goto range_err;
170 ystart = atoi(argv[3]); 170 ystart = atoi(argv[3]);
171 if (ystart < 0 || ystart > 131) 171 if (ystart < 0 || ystart > 127)
172 goto range_err; 172 goto range_err;
173 yend = atoi(argv[4]); 173 yend = atoi(argv[4]);
174 if (yend < 0 || yend > 131) 174 if (yend < 0 || yend > 127)
175 goto range_err; 175 goto range_err;
176 if (xend < xstart || yend < ystart) { 176 if (xend < xstart || yend < ystart) {
177 printf("ERROR: negative range\n"); 177 printf("ERROR: negative range\n");
178 return; 178 return;
179 } 179 }
185 set_lcd_addr_region(xstart, xend, ystart, yend); 185 set_lcd_addr_region(xstart, xend, ystart, yend);
186 npix = (xend + 1 - xstart) * (yend + 1 - ystart); 186 npix = (xend + 1 - xstart) * (yend + 1 - ystart);
187 while (npix--) 187 while (npix--)
188 nCS4_ADDR2 = pixval; 188 nCS4_ADDR2 = pixval;
189 } 189 }
190
191 void
192 cmd_lcdramp()
193 {
194 int i, j, k, p;
195
196 set_lcd_addr_region(10, 89, 10, 89);
197 for (i = 0; i < 80; i++) {
198 for (j = 0; j < 8; j++) {
199 p = 0;
200 if (j & 4)
201 p |= 0xF800;
202 if (j & 2)
203 p |= 0x07E0;
204 if (j & 1)
205 p |= 0x001F;
206 for (k = 0; k < 10; k++)
207 nCS4_ADDR2 = p;
208 }
209 }
210 }
211
212 void
213 cmd_blit(argbulk)
214 char *argbulk;
215 {
216 int argc;
217 char *argv[6];
218 u16 imgbuf[16384];
219 size_t img_file_size;
220 int xstart, ystart, width, height;
221 int npix, i;
222
223 if (parse_args(argbulk, 1, 5, argv, &argc) < 0)
224 return;
225 if (mpffs_read_into_ram(argv[0], imgbuf, 32768, &img_file_size) < 0)
226 return;
227 switch (argc) {
228 case 1:
229 xstart = ystart = 0;
230 width = height = 128;
231 break;
232 case 3:
233 xstart = ystart = 0;
234 goto widthheight;
235 case 5:
236 xstart = atoi(argv[3]);
237 if (xstart < 0 || xstart > 127) {
238 range_err: printf("ERROR: coordinate arg out of range\n");
239 return;
240 }
241 ystart = atoi(argv[4]);
242 if (ystart < 0 || ystart > 127)
243 goto range_err;
244 /* FALL THRU */
245 widthheight:
246 width = atoi(argv[1]);
247 if (width < 1 || width > 128)
248 goto range_err;
249 height = atoi(argv[2]);
250 if (height < 1 || height > 128)
251 goto range_err;
252 if (xstart + width > 128)
253 goto range_err;
254 if (ystart + height > 128)
255 goto range_err;
256 break;
257 default:
258 printf("ERROR: wrong number of arguments\n");
259 return;
260 }
261 npix = width * height;
262 if (img_file_size != npix * 2) {
263 printf("ERROR: image file size (%u bytes) does not match WxH\n",
264 img_file_size);
265 return;
266 }
267 set_lcd_addr_region(xstart, xstart + width - 1,
268 ystart, ystart + height - 1);
269 /* the artwork images in Pirelli's FFS appear to be inverted */
270 for (i = 0; i < npix; i++)
271 nCS4_ADDR2 = ~imgbuf[i];
272 }