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work driver pcf8812

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root 2014-07-03 18:13:49 +03:00
parent fd17106f99
commit d8d47f804e
1 changed files with 19 additions and 16 deletions
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15
drivers/gdisp/PCF8812/gdisp_lld_PCF8812.c
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@ -54,7 +54,7 @@
* As this controller can't update on a pixel boundary we need to maintain the * As this controller can't update on a pixel boundary we need to maintain the
* the entire display surface in memory so that we can do the necessary bit * the entire display surface in memory so that we can do the necessary bit
* operations. Fortunately it is a small display in monochrome. * operations. Fortunately it is a small display in monochrome.
* 65 * 102 / 8 = 829 bytes. * 102 * 65 / 8 = 828,75 bytes.
*/ */
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) { LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
@ -81,9 +81,9 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
write_cmd(g, PCF8812_SET_X); // X = 0 write_cmd(g, PCF8812_SET_X); // X = 0
write_cmd(g, PCF8812_SET_Y); // Y = 0 write_cmd(g, PCF8812_SET_Y); // Y = 0
unsigned int i; unsigned int i;
for (i = 0; i < (GDISP_SCREEN_WIDTH * (GDISP_SCREEN_HEIGHT / 8)); i++) {
for (i = 0; i < (GDISP_SCREEN_WIDTH * (GDISP_SCREEN_HEIGHT / 8)); ++i) {
write_data(g, 0x00, 1); write_data(g, 0x00, 1);
} }
@ -93,6 +93,9 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
// Release the bus // Release the bus
release_bus(g); release_bus(g);
/* Turn on the back-light */
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
/* Initialise the GDISP structure */ /* Initialise the GDISP structure */
g->g.Width = GDISP_SCREEN_WIDTH; g->g.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT; g->g.Height = GDISP_SCREEN_HEIGHT;
@ -114,12 +117,12 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
acquire_bus(g); acquire_bus(g);
write_cmd(g, PCF8812_SET_X); write_cmd(g, PCF8812_SET_X); // X = 0
write_cmd(g, PCF8812_SET_Y); write_cmd(g, PCF8812_SET_Y); // Y = 0
unsigned int i; unsigned int i;
for (i = 0; i < (GDISP_SCREEN_WIDTH * (GDISP_SCREEN_HEIGHT / 8)); i++) { for (i = 0; i < (GDISP_SCREEN_WIDTH * (GDISP_SCREEN_HEIGHT / 8)); ++i) {
write_data(g, RAM(g)[i], 1); write_data(g, RAM(g)[i], 1);
} }