qi-hardware/iris
1
0
Fork 0
mirror of git://projects.qi-hardware.com/iris.git synced 2025-04-21 12:27:27 +03:00
Code Activity

working lcd driver

Browse Source
This commit is contained in:
Bas Wijnen
2009-12-18 09:00:38 +01:00
parent cf496f031f
commit 85948735ab
10 changed files with 65 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
boot-programs/buzzer.ccp
View File

@@ -28,8 +28,7 @@ class DevBuzzer:
DevBuzzer ():
is_beeping = false
tcu_stop_counter (pwm)
//tcu_select_extalclk (pwm)
tcu_select_pclk (pwm)
tcu_select_extalclk (pwm)
tcu_select_clk_div64 (pwm)
tcu_enable_pwm_output (pwm)
void stop ():

38
boot-programs/lcd.ccp
View File

@@ -121,7 +121,7 @@ static void reset ():
#elif defined (NANONOTE)
// Note that the sync pulse is part of the pre-display region.
// Horizontal timings.
unsigned hsync = 1, hpre = 141, hpost = 273
unsigned hsync = 1, hpre = 70, hpost = 273
// Vertical timings.
unsigned vsync = 1, vpre = 21, vpost = 2
// 3 clocks per pixel.
@@ -129,7 +129,7 @@ static void reset ():
// Bits per pixel.
unsigned bpp = LCD_CTRL_BPP_18_24
// Configuration.
unsigned cfg = LCD_CFG_MODE_SERIAL_TFT | LCD_CFG_HSP | LCD_CFG_VSP
unsigned cfg = LCD_CFG_MODE_SERIAL_TFT | LCD_CFG_HSP | LCD_CFG_VSP | LCD_CFG_PCP
// Set up SPI pins.
gpio_as_output (SP_PORT, (1 << SPEN) | (1 << SPCK) | (1 << SPDA))
gpio_set (SP_PORT, (1 << SPEN) | (1 << SPCK))
@@ -139,7 +139,7 @@ static void reset ():
// Note that the sync pulse is part of the pre-display region.
unsigned vpe = vsync, vds = vpre, vde = vds + v, vt = vde + vpost
unsigned hpe = hsync, hds = hpre, hde = hds + cpp * h, ht = hde + hpost
unsigned hpe = hsync, hds = hpre, hde = hds + h, ht = hde + hpost
cpm_stop_lcd ()
@@ -156,17 +156,11 @@ static void reset ():
CPM_CFCR |= CPM_CFCR_UPE
#elif defined (NANONOTE)
unsigned val = cpm_get_pllout2 () / pixclock - 1
kdebug ("clock: ")
kdebug_num (val)
kdebug ("\n")
//assert (val < 0x400)
//cpm_set_pixdiv (val)
//cpm_set_pixdiv (12)
val = cpm_get_pllout2 () / (pixclock * 3) - 1
kdebug ("clock: ")
kdebug_num (val)
kdebug ("\n")
assert (val < 0x20)
//cpm_set_ldiv (val)
// Update dividers.
@@ -179,7 +173,7 @@ static void reset ():
#ifdef NANONOTE
// Reset the controller.
//write_reg (BACKLIGHT1, 0x1e)
write_reg (BACKLIGHT1, 0x1e)
// Enable display.
write_reg (BACKLIGHT1, 0x5f)
// Set data to rgbrgbrgb input, with a delta color filter.
@@ -252,6 +246,15 @@ enum captype:
#endif
SET_EOF_CB
static unsigned spot (unsigned x, unsigned y, unsigned cx, unsigned cy):
unsigned dx2 = (x - cx) * (x - cx)
unsigned dy2 = (y - cy) * (y - cy)
unsigned d2 = dx2 + dy2
unsigned l = 120
if d2 >= l * l:
return 0
return ((l * l - d2 - 1) << 8) / (l * l)
Kernel::Num start ():
map_lcd ()
map_cpm ()
@@ -265,21 +268,18 @@ Kernel::Num start ():
assert (physical & PAGE_MASK && ~physical)
for unsigned i = 0; i < pages; ++i:
Kernel::Page p = Kernel::my_memory.create_page ()
p.alloc_physical (physical + i * PAGE_SIZE, false, true)
Kernel::my_memory.map (p, (unsigned)LCD_FRAMEBUFFER_BASE + i * PAGE_SIZE)
p.alloc_physical (physical + (i << PAGE_BITS), false, true)
Kernel::my_memory.map (p, (unsigned)LCD_FRAMEBUFFER_BASE + (i << PAGE_BITS))
Kernel::free_cap (p)
for unsigned y = 0; y < v; ++y:
unsigned g = (y << 8) / v
for unsigned x = 0; x < h; ++x:
unsigned r = (x << 8) / h
unsigned b = ((x + y) << 8) / (h + v)
unsigned r = spot (x, y, 100, 160)
unsigned g = spot (x, y, 160, 60)
unsigned b = spot (x, y, 220, 160)
#if defined (TRENDTAC)
LCD_FRAMEBUFFER_BASE[y * h + x] = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3)
#elif defined (NANONOTE)
LCD_FRAMEBUFFER_BASE[(y * h + x) * Bpp + 3] = 0
LCD_FRAMEBUFFER_BASE[(y * h + x) * Bpp + 2] = r
LCD_FRAMEBUFFER_BASE[(y * h + x) * Bpp + 1] = g
LCD_FRAMEBUFFER_BASE[(y * h + x) * Bpp + 0] = b
LCD_FRAMEBUFFER_BASE[y * h + x] = (r << 16) | (g << 8) | b
#else
#error "Define your framebuffer format."
#endif