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author | Rafaël Carré <rafael.carre@gmail.com> | 2008-11-27 21:07:54 +0000 |
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committer | Rafaël Carré <rafael.carre@gmail.com> | 2008-11-27 21:07:54 +0000 |
commit | 81fe625a6205e9a0a103e76bed13e4701205cf97 (patch) | |
tree | 7d037083ea2361cad51fa7a79a8bdfed779993bb /firmware/target/arm/as3525/sansa-clip/lcd-ssd1303.c | |
parent | 6d34e33b94d6074b96917d792dc688c5fbd9356b (diff) | |
download | rockbox-81fe625a6205e9a0a103e76bed13e4701205cf97.tar.gz rockbox-81fe625a6205e9a0a103e76bed13e4701205cf97.zip |
Sansa Clip: grey lib support (not calibrated yet)
Declare HAVE_LCD_INVERT
Put the framebuffer into IRAM
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19249 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/as3525/sansa-clip/lcd-ssd1303.c')
-rw-r--r-- | firmware/target/arm/as3525/sansa-clip/lcd-ssd1303.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/firmware/target/arm/as3525/sansa-clip/lcd-ssd1303.c b/firmware/target/arm/as3525/sansa-clip/lcd-ssd1303.c index f1e1c24b85..703b7e1307 100644 --- a/firmware/target/arm/as3525/sansa-clip/lcd-ssd1303.c +++ b/firmware/target/arm/as3525/sansa-clip/lcd-ssd1303.c | |||
@@ -88,6 +88,7 @@ void lcd_write_command(int byte) | |||
88 | GPIOA_PIN(5) = 0; | 88 | GPIOA_PIN(5) = 0; |
89 | 89 | ||
90 | /* Write command */ | 90 | /* Write command */ |
91 | /* Only bits 15:12 and 3:0 of DBOP_DOUT are meaningful */ | ||
91 | DBOP_DOUT = (byte << 8) | byte; | 92 | DBOP_DOUT = (byte << 8) | byte; |
92 | 93 | ||
93 | /* While push fifo is not empty */ | 94 | /* While push fifo is not empty */ |
@@ -103,6 +104,7 @@ void lcd_write_data(const fb_data* p_bytes, int count) | |||
103 | while (count--) | 104 | while (count--) |
104 | { | 105 | { |
105 | /* Write pixels */ | 106 | /* Write pixels */ |
107 | /* Only bits 15:12 and 3:0 of DBOP_DOUT are meaningful */ | ||
106 | DBOP_DOUT = (*p_bytes << 8) | *p_bytes; | 108 | DBOP_DOUT = (*p_bytes << 8) | *p_bytes; |
107 | 109 | ||
108 | p_bytes++; /* next packed pixels */ | 110 | p_bytes++; /* next packed pixels */ |
@@ -266,26 +268,30 @@ void lcd_blit_mono(const unsigned char *data, int x, int by, int width, | |||
266 | } | 268 | } |
267 | } | 269 | } |
268 | 270 | ||
271 | /* Helper function for lcd_grey_phase_blit(). */ | ||
272 | void lcd_grey_data(unsigned char *values, unsigned char *phases, int count); | ||
269 | 273 | ||
270 | /* Performance function that works with an external buffer | 274 | /* Performance function that works with an external buffer |
271 | note that by and bheight are in 8-pixel units! */ | 275 | note that by and bheight are in 8-pixel units! */ |
272 | void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases, | 276 | void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases, |
273 | int x, int by, int width, int bheight, int stride) | 277 | int x, int by, int width, int bheight, int stride) |
274 | { | 278 | { |
275 | /* TODO */ | ||
276 | |||
277 | #if 0 | ||
278 | if(!display_on) | 279 | if(!display_on) |
279 | return; | 280 | return; |
280 | #endif | 281 | |
281 | 282 | stride <<= 3; /* 8 pixels per block */ | |
282 | (void)values; | 283 | /* Copy display bitmap to hardware */ |
283 | (void)phases; | 284 | while (bheight--) |
284 | (void)x; | 285 | { |
285 | (void)by; | 286 | lcd_write_command (LCD_CNTL_PAGE | (by++ & 0xf)); |
286 | (void)width; | 287 | lcd_write_command (LCD_CNTL_HIGHCOL | (((x+2+xoffset)>>4) & 0xf)); |
287 | (void)bheight; | 288 | lcd_write_command (LCD_CNTL_LOWCOL | ((x+2+xoffset) & 0xf)); |
288 | (void)stride; | 289 | |
290 | lcd_grey_data(values, phases, width); | ||
291 | |||
292 | values += stride; | ||
293 | phases += stride; | ||
294 | } | ||
289 | } | 295 | } |
290 | 296 | ||
291 | /* Update the display. | 297 | /* Update the display. |