diff options
Diffstat (limited to 'firmware/target')
-rw-r--r-- | firmware/target/arm/iriver/h10/lcd-h10.c | 398 |
1 files changed, 153 insertions, 245 deletions
diff --git a/firmware/target/arm/iriver/h10/lcd-h10.c b/firmware/target/arm/iriver/h10/lcd-h10.c index 3640aa1ba1..022dc22208 100644 --- a/firmware/target/arm/iriver/h10/lcd-h10.c +++ b/firmware/target/arm/iriver/h10/lcd-h10.c | |||
@@ -16,252 +16,133 @@ | |||
16 | * KIND, either express or implied. | 16 | * KIND, either express or implied. |
17 | * | 17 | * |
18 | ****************************************************************************/ | 18 | ****************************************************************************/ |
19 | |||
20 | /* The H10 display possibly identical to that of the X5, so that code was used here | ||
21 | but left #if 0'ed out for the moment */ | ||
22 | |||
23 | #include "config.h" | 19 | #include "config.h" |
24 | |||
25 | #include "cpu.h" | 20 | #include "cpu.h" |
26 | #include "lcd.h" | 21 | #include "lcd.h" |
27 | #include "kernel.h" | 22 | #include "kernel.h" |
28 | #include "thread.h" | ||
29 | #include <string.h> | ||
30 | #include <stdlib.h> | ||
31 | #include "file.h" | ||
32 | #include "debug.h" | ||
33 | #include "system.h" | 23 | #include "system.h" |
34 | #include "font.h" | ||
35 | #include "bidi.h" | ||
36 | 24 | ||
37 | static bool display_on=false; /* is the display turned on? */ | 25 | /* check if number of useconds has past */ |
26 | static inline bool timer_check(int clock_start, int usecs) | ||
27 | { | ||
28 | return ((int)(USEC_TIMER - clock_start)) >= usecs; | ||
29 | } | ||
38 | 30 | ||
39 | #define LCD_CMD *(volatile unsigned short *)0x70003008 /* or maybe 0x70008a0c */ | 31 | /* Hardware address of LCD. Bits are: |
40 | #define LCD_DATA *(volatile unsigned short *)0x70003010 | 32 | * 31 - set to write, poll for completion. |
33 | * 24 - 0 for command, 1 for data | ||
34 | * 7..0 - command/data to send | ||
35 | * Commands/Data are always sent in 16-bits, msb first. | ||
36 | */ | ||
37 | #define LCD_BASE *(volatile unsigned int *)0x70008a0c | ||
38 | #define LCD_BUSY_MASK 0x80000000 | ||
39 | #define LCD_CMD 0x80000000 | ||
40 | #define LCD_DATA 0x81000000 | ||
41 | 41 | ||
42 | /* register defines for the Renesas HD66773R */ | 42 | /* register defines for the Renesas HD66773R */ |
43 | #define R_HORIZ_RAM_ADDR_POS 0x16 | 43 | #define R_START_OSC 0x00 |
44 | #define R_VERT_RAM_ADDR_POS 0x17 | 44 | #define R_DEVICE_CODE_READ 0x00 |
45 | #define R_DRV_OUTPUT_CONTROL 0x01 | ||
46 | #define R_DRV_AC_CONTROL 0x02 | ||
47 | #define R_POWER_CONTROL1 0x03 | ||
48 | #define R_POWER_CONTROL2 0x04 | ||
49 | #define R_ENTRY_MODE 0x05 | ||
50 | #define R_COMPARE_REG 0x06 | ||
51 | #define R_DISP_CONTROL 0x07 | ||
52 | #define R_FRAME_CYCLE_CONTROL 0x0b | ||
53 | #define R_POWER_CONTROL3 0x0c | ||
54 | #define R_POWER_CONTROL4 0x0d | ||
55 | #define R_POWER_CONTROL5 0x0e | ||
56 | #define R_GATE_SCAN_START_POS 0x0f | ||
57 | #define R_VERT_SCROLL_CONTROL 0x11 | ||
58 | #define R_1ST_SCR_DRV_POS 0x14 | ||
59 | #define R_2ND_SCR_DRV_POS 0x15 | ||
60 | #define R_HORIZ_RAM_ADDR_POS 0x44 | ||
61 | #define R_VERT_RAM_ADDR_POS 0x45 | ||
62 | #define R_RAM_WRITE_DATA_MASK 0x20 | ||
45 | #define R_RAM_ADDR_SET 0x21 | 63 | #define R_RAM_ADDR_SET 0x21 |
46 | #define R_WRITE_DATA_2_GRAM 0x22 | 64 | #define R_WRITE_DATA_2_GRAM 0x22 |
65 | #define R_RAM_READ_DATA 0x22 | ||
66 | #define R_GAMMA_FINE_ADJ_POS1 0x30 | ||
67 | #define R_GAMMA_FINE_ADJ_POS2 0x31 | ||
68 | #define R_GAMMA_FINE_ADJ_POS3 0x32 | ||
69 | #define R_GAMMA_GRAD_ADJ_POS 0x33 | ||
70 | #define R_GAMMA_FINE_ADJ_NEG1 0x34 | ||
71 | #define R_GAMMA_FINE_ADJ_NEG2 0x35 | ||
72 | #define R_GAMMA_FINE_ADJ_NEG3 0x36 | ||
73 | #define R_GAMMA_GRAD_ADJ_NEG 0x37 | ||
74 | #define R_GAMMA_AMP_ADJ_POS 0x3a | ||
75 | #define R_GAMMA_AMP_ADJ_NEG 0x3b | ||
76 | |||
77 | |||
78 | static void lcd_wait_write(void) | ||
79 | { | ||
80 | if ((LCD_BASE & LCD_BUSY_MASK) != 0) { | ||
81 | int start = USEC_TIMER; | ||
47 | 82 | ||
48 | /***************************************************** | 83 | do { |
49 | The table below was generated by the following script: | 84 | if ((LCD_BASE & LCD_BUSY_MASK) == 0) break; |
50 | 85 | } while (timer_check(start, 1000) == 0); | |
51 | #!/usr/bin/perl | ||
52 | |||
53 | # high byte table | ||
54 | print "short high8to9[] = {\n"; | ||
55 | $str = " "; | ||
56 | for my $m (0 .. 255) { | ||
57 | # RRRRRGGG => RRRRR0GGG | ||
58 | my $v = (($m & 0xF8) << 1) | ($m & 0x07); | ||
59 | if(length($str) > 75) { | ||
60 | print "$str\n"; | ||
61 | $str=" "; | ||
62 | } | 86 | } |
63 | $str .= sprintf("0x%03x, ", $v); | ||
64 | } | 87 | } |
65 | print "$str\n};\n"; | 88 | |
66 | 89 | /* Send command */ | |
67 | *****************************************************/ | 90 | static void lcd_send_cmd(int v) |
68 | |||
69 | /* Lookup table for 16->18bit conversion, high byte. The low byte is just | ||
70 | shifted. */ | ||
71 | const short high8to9[] ICONST_ATTR = { | ||
72 | 0x000, 0x001, 0x002, 0x003, 0x004, 0x005, 0x006, 0x007, 0x010, 0x011, 0x012, | ||
73 | 0x013, 0x014, 0x015, 0x016, 0x017, 0x020, 0x021, 0x022, 0x023, 0x024, 0x025, | ||
74 | 0x026, 0x027, 0x030, 0x031, 0x032, 0x033, 0x034, 0x035, 0x036, 0x037, 0x040, | ||
75 | 0x041, 0x042, 0x043, 0x044, 0x045, 0x046, 0x047, 0x050, 0x051, 0x052, 0x053, | ||
76 | 0x054, 0x055, 0x056, 0x057, 0x060, 0x061, 0x062, 0x063, 0x064, 0x065, 0x066, | ||
77 | 0x067, 0x070, 0x071, 0x072, 0x073, 0x074, 0x075, 0x076, 0x077, 0x080, 0x081, | ||
78 | 0x082, 0x083, 0x084, 0x085, 0x086, 0x087, 0x090, 0x091, 0x092, 0x093, 0x094, | ||
79 | 0x095, 0x096, 0x097, 0x0a0, 0x0a1, 0x0a2, 0x0a3, 0x0a4, 0x0a5, 0x0a6, 0x0a7, | ||
80 | 0x0b0, 0x0b1, 0x0b2, 0x0b3, 0x0b4, 0x0b5, 0x0b6, 0x0b7, 0x0c0, 0x0c1, 0x0c2, | ||
81 | 0x0c3, 0x0c4, 0x0c5, 0x0c6, 0x0c7, 0x0d0, 0x0d1, 0x0d2, 0x0d3, 0x0d4, 0x0d5, | ||
82 | 0x0d6, 0x0d7, 0x0e0, 0x0e1, 0x0e2, 0x0e3, 0x0e4, 0x0e5, 0x0e6, 0x0e7, 0x0f0, | ||
83 | 0x0f1, 0x0f2, 0x0f3, 0x0f4, 0x0f5, 0x0f6, 0x0f7, 0x100, 0x101, 0x102, 0x103, | ||
84 | 0x104, 0x105, 0x106, 0x107, 0x110, 0x111, 0x112, 0x113, 0x114, 0x115, 0x116, | ||
85 | 0x117, 0x120, 0x121, 0x122, 0x123, 0x124, 0x125, 0x126, 0x127, 0x130, 0x131, | ||
86 | 0x132, 0x133, 0x134, 0x135, 0x136, 0x137, 0x140, 0x141, 0x142, 0x143, 0x144, | ||
87 | 0x145, 0x146, 0x147, 0x150, 0x151, 0x152, 0x153, 0x154, 0x155, 0x156, 0x157, | ||
88 | 0x160, 0x161, 0x162, 0x163, 0x164, 0x165, 0x166, 0x167, 0x170, 0x171, 0x172, | ||
89 | 0x173, 0x174, 0x175, 0x176, 0x177, 0x180, 0x181, 0x182, 0x183, 0x184, 0x185, | ||
90 | 0x186, 0x187, 0x190, 0x191, 0x192, 0x193, 0x194, 0x195, 0x196, 0x197, 0x1a0, | ||
91 | 0x1a1, 0x1a2, 0x1a3, 0x1a4, 0x1a5, 0x1a6, 0x1a7, 0x1b0, 0x1b1, 0x1b2, 0x1b3, | ||
92 | 0x1b4, 0x1b5, 0x1b6, 0x1b7, 0x1c0, 0x1c1, 0x1c2, 0x1c3, 0x1c4, 0x1c5, 0x1c6, | ||
93 | 0x1c7, 0x1d0, 0x1d1, 0x1d2, 0x1d3, 0x1d4, 0x1d5, 0x1d6, 0x1d7, 0x1e0, 0x1e1, | ||
94 | 0x1e2, 0x1e3, 0x1e4, 0x1e5, 0x1e6, 0x1e7, 0x1f0, 0x1f1, 0x1f2, 0x1f3, 0x1f4, | ||
95 | 0x1f5, 0x1f6, 0x1f7, | ||
96 | }; | ||
97 | |||
98 | /* called very frequently - inline! */ | ||
99 | inline void lcd_write_reg(int reg, int val) | ||
100 | { | 91 | { |
101 | LCD_CMD = (reg >> 8) << 1; | 92 | lcd_wait_write(); |
102 | LCD_CMD = (reg & 0xff) << 1; | 93 | LCD_BASE = 0x00000000 | LCD_CMD; |
103 | LCD_DATA = (val >> 8) << 1; | 94 | LCD_BASE = v | LCD_CMD; |
104 | LCD_DATA = (val & 0xff) << 1; | ||
105 | } | 95 | } |
106 | 96 | ||
107 | /* called very frequently - inline! */ | 97 | /* Send 16-bit data */ |
108 | inline void lcd_begin_write_gram(void) | 98 | static void lcd_send_data(int v) |
109 | { | 99 | { |
110 | LCD_CMD = (R_WRITE_DATA_2_GRAM >> 8) << 1; | 100 | lcd_wait_write(); |
111 | LCD_CMD = (R_WRITE_DATA_2_GRAM & 0xff) << 1; | 101 | LCD_BASE = ( v & 0xff) | LCD_DATA; /* Send MSB first */ |
102 | LCD_BASE = ((v>>8) & 0xff) | LCD_DATA; | ||
112 | } | 103 | } |
113 | 104 | ||
114 | /* called very frequently - inline! */ | 105 | /* Send two 16-bit data */ |
115 | inline void lcd_write_data(const unsigned short* p_bytes, int count) ICODE_ATTR; | 106 | static void lcd_send_data2(int v) |
116 | inline void lcd_write_data(const unsigned short* p_bytes, int count) | ||
117 | { | 107 | { |
118 | unsigned int tmp; | 108 | unsigned int vsr = v; |
119 | unsigned int *ptr = (unsigned int *)p_bytes; | 109 | lcd_send_data(vsr); |
120 | bool extra; | 110 | vsr = v >> 16; |
121 | 111 | lcd_send_data(vsr); | |
122 | /* if there's on odd number of pixels, remmber this and output the | ||
123 | trailing pixel after the loop */ | ||
124 | extra = (count&1)?true:false; | ||
125 | |||
126 | count >>= 1; | ||
127 | while(count--) { | ||
128 | tmp = *ptr++; | ||
129 | LCD_DATA = high8to9[tmp >> 24]; | ||
130 | LCD_DATA = tmp>>15; | ||
131 | LCD_DATA = high8to9[(tmp >> 8)&255]; | ||
132 | LCD_DATA = tmp<<1; | ||
133 | } | ||
134 | if(extra) { | ||
135 | /* the final "spare" pixel */ | ||
136 | unsigned short read = *(unsigned short *)ptr; | ||
137 | LCD_DATA = high8to9[read >> 8]; | ||
138 | LCD_DATA = read<<1; | ||
139 | } | ||
140 | } | 112 | } |
141 | 113 | ||
142 | /*** hardware configuration ***/ | ||
143 | 114 | ||
144 | int lcd_default_contrast(void) | 115 | /*** hardware configuration ***/ |
145 | { | ||
146 | return 16; | ||
147 | } | ||
148 | 116 | ||
149 | void lcd_set_contrast(int val) | 117 | void lcd_set_contrast(int val) |
150 | { | 118 | { |
151 | if (val >= 15) // val must'nt be 15 or 31 | 119 | /* TODO: Implement lcd_set_contrast() */ |
152 | ++val; | 120 | (void)val; |
153 | if (val > 30) | ||
154 | return; | ||
155 | |||
156 | lcd_write_reg(0x0e, 0x201e + (val << 8)); | ||
157 | } | 121 | } |
158 | 122 | ||
159 | void lcd_set_invert_display(bool yesno) | 123 | void lcd_set_invert_display(bool yesno) |
160 | { | 124 | { |
161 | (void)yesno; | 125 | /* TODO: Implement lcd_set_invert_display() */ |
126 | (void)yesno; | ||
162 | } | 127 | } |
163 | 128 | ||
164 | /* turn the display upside down (call lcd_update() afterwards) */ | 129 | /* turn the display upside down (call lcd_update() afterwards) */ |
165 | void lcd_set_flip(bool yesno) | 130 | void lcd_set_flip(bool yesno) |
166 | { | 131 | { |
167 | (void)yesno; | 132 | /* TODO: Implement lcd_set_flip() */ |
168 | } | 133 | (void)yesno; |
169 | |||
170 | /* Rolls up the lcd display by the specified amount of lines. | ||
171 | * Lines that are rolled out over the top of the screen are | ||
172 | * rolled in from the bottom again. This is a hardware | ||
173 | * remapping only and all operations on the lcd are affected. | ||
174 | * -> | ||
175 | * @param int lines - The number of lines that are rolled. | ||
176 | * The value must be 0 <= pixels < LCD_HEIGHT. */ | ||
177 | void lcd_roll(int lines) | ||
178 | { | ||
179 | (void)lines; | ||
180 | } | 134 | } |
181 | 135 | ||
182 | /* LCD init | 136 | /* LCD init */ |
183 | * These settings are taken from the original X5 firmware | ||
184 | */ | ||
185 | void lcd_init_device(void) | 137 | void lcd_init_device(void) |
186 | { | 138 | { |
187 | display_on=true; | 139 | /* H10 LCD is initialised by the bootloader */ |
188 | |||
189 | #if 0 | ||
190 | /* LCD Reset */ | ||
191 | and_l(~0x00000010, &GPIO1_OUT); | ||
192 | or_l(0x00000010, &GPIO1_ENABLE); | ||
193 | or_l(0x00000010, &GPIO1_FUNCTION); | ||
194 | sleep(HZ/100); | ||
195 | or_l(0x00000010, &GPIO1_OUT); | ||
196 | |||
197 | sleep(HZ/100); | ||
198 | |||
199 | lcd_write_reg(0, 0x0001); | ||
200 | |||
201 | sleep(HZ/50); | ||
202 | |||
203 | lcd_write_reg(0x0d, 0x0401); | ||
204 | lcd_write_reg(0x0e, 0x321e); | ||
205 | lcd_write_reg(0x01, 0x0313); | ||
206 | lcd_write_reg(0x02, 0x0700); | ||
207 | lcd_write_reg(0x05, 0x9038); | ||
208 | lcd_write_reg(0x06, 0x0000); | ||
209 | lcd_write_reg(0x0b, 0x4000); | ||
210 | |||
211 | sleep(HZ/100); | ||
212 | |||
213 | lcd_write_reg(0x21,0x0000); | ||
214 | lcd_write_reg(0x30,0x0003); | ||
215 | lcd_write_reg(0x31,0x0400); | ||
216 | lcd_write_reg(0x32,0x0407); | ||
217 | lcd_write_reg(0x33,0x0305); | ||
218 | lcd_write_reg(0x34,0x0003); | ||
219 | lcd_write_reg(0x35,0x0704); | ||
220 | lcd_write_reg(0x36,0x0407); | ||
221 | lcd_write_reg(0x37,0x0503); | ||
222 | lcd_write_reg(0x0f,0x0002); | ||
223 | lcd_write_reg(0x11,0x0000); | ||
224 | lcd_write_reg(0x14,0x9f00); | ||
225 | lcd_write_reg(0x15,0x5c00); | ||
226 | lcd_write_reg(0x16,0x7f00); | ||
227 | lcd_write_reg(0x17,0x9f00); | ||
228 | lcd_write_reg(0x3a,0x1409); | ||
229 | lcd_write_reg(0x3b,0x0602); | ||
230 | |||
231 | lcd_write_reg(0x0c,0x0001); | ||
232 | |||
233 | sleep(HZ/25); | ||
234 | |||
235 | lcd_write_reg(0x03,0x002c); | ||
236 | lcd_write_reg(0x04,0x8000); | ||
237 | |||
238 | sleep(HZ/25); | ||
239 | |||
240 | lcd_write_reg(0x0e,0x3318); | ||
241 | |||
242 | sleep(HZ/25); | ||
243 | |||
244 | lcd_write_reg(0x0d,0x0411); | ||
245 | |||
246 | sleep(HZ/100); | ||
247 | |||
248 | lcd_write_reg(0x07,0x0006); | ||
249 | lcd_write_reg(0x07,0x036); | ||
250 | lcd_write_reg(0x07,0x037); | ||
251 | lcd_write_reg(0x07,0x0037); | ||
252 | return; | ||
253 | #endif | ||
254 | } | ||
255 | |||
256 | void lcd_enable(bool on) | ||
257 | { | ||
258 | display_on = on; | ||
259 | } | 140 | } |
260 | 141 | ||
261 | /*** update functions ***/ | 142 | /*** update functions ***/ |
262 | 143 | ||
263 | /* Performance function that works with an external buffer | 144 | /* Performance function that works with an external buffer |
264 | note that by and bheight are in 8-pixel units! */ | 145 | note that by and bheight are in 4-pixel units! */ |
265 | void lcd_blit(const fb_data* data, int x, int by, int width, | 146 | void lcd_blit(const fb_data* data, int x, int by, int width, |
266 | int bheight, int stride) | 147 | int bheight, int stride) |
267 | { | 148 | { |
@@ -272,56 +153,83 @@ void lcd_blit(const fb_data* data, int x, int by, int width, | |||
272 | (void)width; | 153 | (void)width; |
273 | (void)bheight; | 154 | (void)bheight; |
274 | (void)stride; | 155 | (void)stride; |
275 | /*if(display_on)*/ | ||
276 | } | 156 | } |
277 | 157 | ||
278 | 158 | ||
279 | /* Update the display. | ||
280 | This must be called after all other LCD functions that change the display. */ | ||
281 | void lcd_update(void) ICODE_ATTR; | ||
282 | void lcd_update(void) | ||
283 | { | ||
284 | if(display_on){ | ||
285 | 159 | ||
286 | /* Copy display bitmap to hardware */ | ||
287 | lcd_write_reg(R_RAM_ADDR_SET, 0x0000); | ||
288 | lcd_begin_write_gram(); | ||
289 | lcd_write_data((unsigned short *)lcd_framebuffer, LCD_WIDTH*LCD_HEIGHT); | ||
290 | } | ||
291 | } | ||
292 | 160 | ||
293 | /* Update a fraction of the display. */ | 161 | /* Update a fraction of the display. */ |
294 | void lcd_update_rect(int, int, int, int) ICODE_ATTR; | ||
295 | void lcd_update_rect(int x, int y, int width, int height) | 162 | void lcd_update_rect(int x, int y, int width, int height) |
296 | { | 163 | { |
297 | if(display_on) { | 164 | int y0, x0, y1, x1; |
298 | int ymax = y + height; | 165 | int newx,newwidth; |
299 | 166 | ||
300 | if(x + width > LCD_WIDTH) | 167 | unsigned long *addr = (unsigned long *)lcd_framebuffer; |
301 | width = LCD_WIDTH - x; | 168 | |
302 | if (width <= 0) | 169 | /* Ensure x and width are both even - so we can read 32-bit aligned |
303 | return; /* nothing left to do, 0 is harmful to lcd_write_data() */ | 170 | data from lcd_framebuffer */ |
304 | if(ymax >= LCD_HEIGHT) | 171 | /*newx=x&~1; |
305 | ymax = LCD_HEIGHT-1; | 172 | newwidth=width&~1; |
306 | 173 | if (newx+newwidth < x+width) { newwidth+=2; } | |
307 | /* set update window */ | 174 | x=newx; width=newwidth;*/ |
308 | 175 | ||
309 | /* horiz ram addr */ | 176 | /* calculate the drawing region */ |
310 | lcd_write_reg(R_HORIZ_RAM_ADDR_POS, (ymax<<8) | y); | 177 | y0 = x; /* start horiz */ |
311 | 178 | x0 = y; /* start vert */ | |
312 | /* vert ram addr */ | 179 | y1 = (x + width) - 1; /* max horiz */ |
313 | lcd_write_reg(R_VERT_RAM_ADDR_POS,((x+width-1)<<8) | x); | 180 | x1 = (y + height) - 1; /* max vert */ |
314 | lcd_write_reg(R_RAM_ADDR_SET, (x<<8) | y); | 181 | |
315 | lcd_begin_write_gram(); | 182 | |
316 | 183 | /* swap max horiz < start horiz */ | |
317 | /* Copy specified rectangle bitmap to hardware */ | 184 | if (y1 < y0) { |
318 | for (; y <= ymax; y++) | 185 | int t; |
319 | { | 186 | t = y0; |
320 | lcd_write_data ((unsigned short *)&lcd_framebuffer[y][x], width); | 187 | y0 = y1; |
321 | } | 188 | y1 = t; |
322 | 189 | } | |
323 | /* reset update window */ | 190 | |
324 | lcd_write_reg(R_HORIZ_RAM_ADDR_POS, 0x7f00); | 191 | /* swap max vert < start vert */ |
325 | lcd_write_reg(R_VERT_RAM_ADDR_POS, 0x9f00); | 192 | if (x1 < x0) { |
193 | int t; | ||
194 | t = x0; | ||
195 | x0 = x1; | ||
196 | x1 = t; | ||
326 | } | 197 | } |
198 | |||
199 | /* max horiz << 8 | start horiz */ | ||
200 | lcd_send_cmd(R_HORIZ_RAM_ADDR_POS); | ||
201 | lcd_send_data((y0 << 8) | y1); | ||
202 | /* max vert << 8 | start vert */ | ||
203 | lcd_send_cmd(R_VERT_RAM_ADDR_POS); | ||
204 | lcd_send_data((x0 << 8) | x1); | ||
205 | |||
206 | /* position cursor (set AD0-AD15) */ | ||
207 | /* start vert << 8 | start horiz */ | ||
208 | lcd_send_cmd(R_RAM_ADDR_SET); | ||
209 | lcd_send_data(((x0 << 8) | y0)); | ||
210 | |||
211 | /* start drawing */ | ||
212 | lcd_send_cmd(R_WRITE_DATA_2_GRAM); | ||
213 | |||
214 | addr = (unsigned long*)&lcd_framebuffer[y][x]; | ||
215 | |||
216 | int c, r; | ||
217 | |||
218 | /* for each row */ | ||
219 | for (r = 0; r < height; r++) { | ||
220 | /* for each column */ | ||
221 | for (c = 0; c < width; c += 2) { | ||
222 | /* output 2 pixels */ | ||
223 | lcd_send_data2(*(addr++)); | ||
224 | } | ||
225 | |||
226 | addr += (LCD_WIDTH - width)/2; | ||
227 | } | ||
228 | } | ||
229 | |||
230 | /* Update the display. | ||
231 | This must be called after all other LCD functions that change the display. */ | ||
232 | void lcd_update(void) | ||
233 | { | ||
234 | lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT); | ||
327 | } | 235 | } |