325 lines
8.2 KiB
Lua
325 lines
8.2 KiB
Lua
-- setup SPI and connect display
|
|
function init_spi_display()
|
|
-- Hardware SPI CLK = GPIO14
|
|
-- Hardware SPI MOSI = GPIO13
|
|
-- Hardware SPI MISO = GPIO12 (not used)
|
|
-- CS, D/C, and RES can be assigned freely to available GPIOs
|
|
local cs = 8 -- GPIO15, pull-down 10k to GND
|
|
local dc = 4 -- GPIO2
|
|
local res = 0 -- GPIO16
|
|
|
|
spi.setup(1, spi.MASTER, spi.CPOL_LOW, spi.CPHA_LOW, spi.DATABITS_8, 0)
|
|
disp = ucg.ili9341_18x240x320_hw_spi(cs, dc, res)
|
|
end
|
|
|
|
|
|
|
|
|
|
-- switch statement http://lua-users.org/wiki/SwitchStatement
|
|
function switch(c)
|
|
local swtbl = {
|
|
casevar = c,
|
|
caseof = function (self, code)
|
|
local f
|
|
if (self.casevar) then
|
|
f = code[self.casevar] or code.default
|
|
else
|
|
f = code.missing or code.default
|
|
end
|
|
if f then
|
|
if type(f)=="function" then
|
|
return f(self.casevar,self)
|
|
else
|
|
error("case "..tostring(self.casevar).." not a function")
|
|
end
|
|
end
|
|
end
|
|
}
|
|
return swtbl
|
|
end
|
|
|
|
|
|
z = 127 -- start value
|
|
function lcg_rnd()
|
|
z = bit.band(65 * z + 17, 255)
|
|
return z
|
|
end
|
|
|
|
|
|
function ucglib_graphics_test()
|
|
--ucg.setMaxClipRange()
|
|
disp:setColor(0, 0, 40, 80)
|
|
disp:setColor(1, 80, 0, 40)
|
|
disp:setColor(2, 255, 0, 255)
|
|
disp:setColor(3, 0, 255, 255)
|
|
|
|
disp:drawGradientBox(0, 0, disp:getWidth(), disp:getHeight())
|
|
|
|
disp:setColor(255, 168, 0)
|
|
disp:setPrintDir(0)
|
|
disp:setPrintPos(2, 18)
|
|
disp:print("Ucglib")
|
|
disp:setPrintPos(2, 18+20)
|
|
disp:print("GraphicsTest")
|
|
end
|
|
|
|
function cross()
|
|
local mx, my
|
|
disp:setColor(0, 250, 0, 0)
|
|
disp:setColor(1, 255, 255, 30)
|
|
disp:setColor(2, 220, 235, 10)
|
|
disp:setColor(3, 205, 0, 30)
|
|
disp:drawGradientBox(0, 0, disp:getWidth(), disp:getHeight())
|
|
mx = disp:getWidth() / 2
|
|
my = disp:getHeight() / 2
|
|
|
|
disp:setColor(0, 255, 255, 255)
|
|
disp:setPrintPos(2,18)
|
|
disp:print("Cross")
|
|
|
|
disp:setColor(0, 0, 0x66, 0xcc)
|
|
disp:setPrintPos(mx+15, my-5)
|
|
disp:print("dir0")
|
|
disp:setPrintPos(mx+5, my+26)
|
|
disp:print("dir1")
|
|
disp:setPrintPos(mx-40, my+20)
|
|
disp:print("dir2")
|
|
disp:setPrintPos(mx+5,my-25)
|
|
disp:print("dir3")
|
|
|
|
disp:setColor(0, 0, 0x66, 0xff)
|
|
disp:setColor(1, 0, 0x66, 0xcc)
|
|
disp:setColor(2, 0, 0, 0x99)
|
|
|
|
disp:draw90Line(mx+2, my-1, 20, 0, 0)
|
|
disp:draw90Line(mx+2, my, 20, 0, 1)
|
|
disp:draw90Line(mx+2, my+1, 20, 0, 2)
|
|
|
|
disp:draw90Line(mx+1, my+2, 20, 1, 0)
|
|
disp:draw90Line(mx, my+2, 20, 1, 1)
|
|
disp:draw90Line(mx-1, my+2, 20, 1, 2)
|
|
|
|
disp:draw90Line(mx-2, my+1, 20, 2, 0)
|
|
disp:draw90Line(mx-2, my, 20, 2, 1)
|
|
disp:draw90Line(mx-2, my-1, 20, 2, 2)
|
|
|
|
disp:draw90Line(mx-1, my-2, 20, 3, 0)
|
|
disp:draw90Line(mx, my-2, 20, 3, 1)
|
|
disp:draw90Line(mx+1, my-2, 20, 3, 2)
|
|
end
|
|
|
|
function pixel_and_lines()
|
|
local mx
|
|
local x, xx
|
|
mx = disp:getWidth() / 2
|
|
--my = disp:getHeight() / 2
|
|
|
|
disp:setColor(0, 0, 0, 150)
|
|
disp:setColor(1, 0, 60, 40)
|
|
disp:setColor(2, 60, 0, 40)
|
|
disp:setColor(3, 120, 120, 200)
|
|
disp:drawGradientBox(0, 0, disp:getWidth(), disp:getHeight())
|
|
|
|
disp:setColor(255, 255, 255)
|
|
disp:setPrintPos(2, 18)
|
|
disp:setPrintDir(0)
|
|
disp:print("Pix&Line")
|
|
|
|
disp:drawPixel(0, 0)
|
|
disp:drawPixel(1, 0)
|
|
--disp:drawPixel(disp:getWidth()-1, 0)
|
|
--disp:drawPixel(0, disp:getHeight()-1)
|
|
|
|
disp:drawPixel(disp:getWidth()-1, disp:getHeight()-1)
|
|
disp:drawPixel(disp:getWidth()-1-1, disp:getHeight()-1)
|
|
|
|
|
|
x = 0
|
|
while x < mx do
|
|
xx = ((x)*255)/mx
|
|
disp:setColor(255, 255-xx/2, 255-xx)
|
|
disp:drawPixel(x, 24)
|
|
disp:drawVLine(x+7, 26, 13)
|
|
x = x + 1
|
|
end
|
|
end
|
|
|
|
function color_test()
|
|
local mx
|
|
local c, x
|
|
mx = disp:getWidth() / 2
|
|
--my = disp:getHeight() / 2
|
|
|
|
disp:setColor(0, 0, 0, 0)
|
|
disp:drawBox(0, 0, disp:getWidth(), disp:getHeight())
|
|
|
|
disp:setColor(255, 255, 255)
|
|
disp:setPrintPos(2,18)
|
|
disp:setPrintDir(0)
|
|
disp:print("Color Test")
|
|
|
|
disp:setColor(0, 127, 127, 127)
|
|
disp:drawBox(0, 20, 16*4+4, 5*8+4)
|
|
|
|
c = 0
|
|
x = 2
|
|
while c < 255 do
|
|
disp:setColor(0, c, c, c)
|
|
disp:drawBox(x, 22, 4, 8)
|
|
disp:setColor(0, c, 0, 0)
|
|
disp:drawBox(x, 22+8, 4, 8)
|
|
disp:setColor(0, 0, c, 0)
|
|
disp:drawBox(x, 22+2*8, 4, 8)
|
|
disp:setColor(0, 0, 0, c)
|
|
disp:drawBox(x, 22+3*8, 4, 8)
|
|
disp:setColor(0, c, 255-c, 0)
|
|
disp:drawBox(x, 22+4*8, 4, 8)
|
|
|
|
c = c + 17
|
|
x = x + 4
|
|
end
|
|
end
|
|
|
|
function millis()
|
|
local usec = tmr.now()
|
|
return usec/1000
|
|
end
|
|
|
|
function triangle()
|
|
local m
|
|
|
|
disp:setColor(0, 0, 80, 20)
|
|
disp:setColor(1, 60, 80, 20)
|
|
disp:setColor(2, 60, 120, 0)
|
|
disp:setColor(3, 0, 140, 30)
|
|
disp:drawGradientBox(0, 0, disp:getWidth(), disp:getHeight())
|
|
|
|
disp:setColor(255, 255, 255)
|
|
disp:setPrintPos(2, 18)
|
|
disp:print("Triangle")
|
|
|
|
m = millis() + T
|
|
|
|
while millis() < m do
|
|
disp:setColor(bit.band(lcg_rnd(), 127)+127, bit.band(lcg_rnd(), 31), bit.band(lcg_rnd(), 127)+64)
|
|
|
|
disp:drawTriangle(
|
|
bit.rshift(lcg_rnd() * (disp:getWidth()), 8),
|
|
bit.rshift(lcg_rnd() * (disp:getHeight()-20), 8) + 20,
|
|
bit.rshift(lcg_rnd() * (disp:getWidth()), 8),
|
|
bit.rshift(lcg_rnd() * (disp:getHeight()-20), 8) + 20,
|
|
bit.rshift(lcg_rnd() * (disp:getWidth()), 8),
|
|
bit.rshift(lcg_rnd() * (disp:getHeight()-20), 8) + 20
|
|
)
|
|
|
|
tmr.wdclr()
|
|
end
|
|
end
|
|
|
|
function fonts()
|
|
local d = 5
|
|
disp:setColor(0, 0, 40, 80)
|
|
disp:setColor(1, 150, 0, 200)
|
|
disp:setColor(2, 60, 0, 40)
|
|
disp:setColor(3, 0, 160, 160)
|
|
|
|
disp:drawGradientBox(0, 0, disp:getWidth(), disp:getHeight())
|
|
|
|
disp:setColor(255, 255, 255)
|
|
disp:setPrintDir(0)
|
|
disp:setPrintPos(2,18)
|
|
disp:print("Fonts")
|
|
|
|
disp:setFontMode(ucg.FONT_MODE_TRANSPARENT)
|
|
|
|
disp:setColor(255, 200, 170)
|
|
disp:setFont(ucg.font_helvB08_hr)
|
|
disp:setPrintPos(2,30+d)
|
|
disp:print("ABC abc 123")
|
|
disp:setFont(ucg.font_helvB10_hr)
|
|
disp:setPrintPos(2,45+d)
|
|
disp:print("ABC abc 123")
|
|
disp:setFont(ucg.font_helvB12_hr)
|
|
--disp:setPrintPos(2,62+d)
|
|
--disp:print("ABC abc 123")
|
|
disp:drawString(2,62+d, 0, "ABC abc 123") -- test drawString
|
|
|
|
disp:setFontMode(ucg.FONT_MODE_SOLID)
|
|
|
|
disp:setColor(255, 200, 170)
|
|
disp:setColor(1, 0, 100, 120) -- background color in solid mode
|
|
disp:setFont(ucg.font_helvB08_hr)
|
|
disp:setPrintPos(2,75+30+d)
|
|
disp:print("ABC abc 123")
|
|
disp:setFont(ucg.font_helvB10_hr)
|
|
disp:setPrintPos(2,75+45+d)
|
|
disp:print("ABC abc 123")
|
|
disp:setFont(ucg.font_helvB12_hr)
|
|
disp:setPrintPos(2,75+62+d)
|
|
disp:print("ABC abc 123")
|
|
|
|
disp:setFontMode(ucg.FONT_MODE_TRANSPARENT)
|
|
|
|
disp:setFont(ucg.font_ncenR14_hr)
|
|
end
|
|
|
|
function set_clip_range()
|
|
local x, y, w, h
|
|
w = bit.band(lcg_rnd(), 31)
|
|
h = bit.band(lcg_rnd(), 31)
|
|
w = w + 25
|
|
h = h + 25
|
|
x = bit.rshift(lcg_rnd() * (disp:getWidth() - w), 8)
|
|
y = bit.rshift(lcg_rnd() * (disp:getHeight() - h), 8)
|
|
|
|
disp:setClipRange(x, y, w, h)
|
|
end
|
|
|
|
function loop()
|
|
|
|
if (loop_idx == 0) then
|
|
switch(bit.band(r, 3)) : caseof {
|
|
[0] = function() disp:undoRotate() end,
|
|
[1] = function() disp:setRotate90() end,
|
|
[2] = function() disp:setRotate180() end,
|
|
default = function() disp:setRotate270() end
|
|
}
|
|
|
|
if ( r > 3 ) then
|
|
disp:clearScreen()
|
|
set_clip_range()
|
|
end
|
|
|
|
r = bit.band(r + 1, 255)
|
|
end
|
|
|
|
switch(loop_idx) : caseof {
|
|
[0] = function() end,
|
|
[1] = function() ucglib_graphics_test() end,
|
|
[2] = function() cross() end,
|
|
[3] = function() pixel_and_lines() end,
|
|
[4] = function() color_test() end,
|
|
[5] = function() triangle() end,
|
|
[6] = function() fonts() end,
|
|
default = function() loop_idx = -1 end
|
|
}
|
|
|
|
loop_idx = loop_idx + 1
|
|
end
|
|
|
|
|
|
T = 1500
|
|
|
|
r = 0
|
|
loop_idx = 0
|
|
|
|
init_spi_display()
|
|
|
|
disp:begin(ucg.FONT_MODE_TRANSPARENT)
|
|
disp:setFont(ucg.font_ncenR14_hr)
|
|
disp:clearScreen()
|
|
|
|
|
|
tmr.register(0, 3000, tmr.ALARM_AUTO, function() loop() end)
|
|
tmr.start(0)
|