forked from len0rd/rockbox
hwstub: add some PP and Sansa View code
Change-Id: If188a01adee2a0e1c7a46c424a0a9cde9f666831
This commit is contained in:
Amaury Pouly
parent
5b89e6618f
commit
d8071221c5
3 changed files with 235 additions and 0 deletions
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@ -60,3 +60,12 @@ PP.debug_on = false
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function PP.debug(...)
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function PP.debug(...)
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if PP.debug_on then print(...) end
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if PP.debug_on then print(...) end
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end
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end
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hh = h:create_topic("debug")
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hh:add("PP.debug(...) prints some debug output if PP.debug_on is true and does nothing otherwise.")
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PP.debug_on = false
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if PP.info.chip ~= nil then
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require "pp/gpio"
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end
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65
utils/hwstub/tools/lua/pp/gpio.lua
Normal file
65
utils/hwstub/tools/lua/pp/gpio.lua
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@ -0,0 +1,65 @@
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---
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--- GPIO
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---
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PP.gpio = {}
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local h = HELP:get_topic("PP"):create_topic("gpio")
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h:add("TODO")
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local hh = h:create_topic("pin")
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hh:add("TODO")
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function PP.gpio.pin(bank,pin)
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if type(bank) == "string" then
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if string.len(bank) ~= 1 then
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error("Invalid bank " .. bank)
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end
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bank = string.byte(bank)
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if bank < string.byte("A") or bank > string.byte("Z") then
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error("Invalid bank " .. bank)
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end
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bank = bank - string.byte("A")
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end
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if pin < 0 or pin >= 8 then
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error("invalid pin " .. pin)
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end
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PP.debug(string.format("gpio: get pin B%dP%d", bank, pin))
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local t = {
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read = function()
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return bit32.extract(HW.GPIO.INPUT_VALn[bank].read(), pin)
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end,
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write = function(val)
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local v = HW.GPIO.OUTPUT_VALn[bank].read()
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v = bit32.replace(v, val and 1 or 0, pin)
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HW.GPIO.OUTPUT_VALn[bank].write(v)
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end,
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enable = function(val)
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if val == nil then
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val = false
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end
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local v = HW.GPIO.ENABLEn[bank].read()
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v = bit32.replace(v, val and 1 or 0, pin)
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HW.GPIO.ENABLEn[bank].write(v)
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end,
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output_enable = function(val)
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if val == nil then
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val = false
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end
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local v = HW.GPIO.OUTPUT_ENn[bank].read()
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v = bit32.replace(v, val and 1 or 0, pin)
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HW.GPIO.OUTPUT_ENn[bank].write(v)
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end,
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muxsel = function(x)
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end,
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pull = function(val)
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end,
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}
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return t
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end
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161
utils/hwstub/tools/lua/sansaview.lua
Normal file
161
utils/hwstub/tools/lua/sansaview.lua
Normal file
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@ -0,0 +1,161 @@
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--
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-- Sansa View
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--
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SANSAVIEW = {}
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function SANSAVIEW.set_backlight(val)
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-- backlight is PD0
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PP.gpio.pin("D",0).enable(true)
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PP.gpio.pin("D",0).output_enable(true)
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PP.gpio.pin("D",0).write(val)
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end
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function SANSAVIEW.lcd_reset()
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PP.gpio.pin("B", 2).write(true)
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PP.gpio.pin("B", 2).write(false)
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PP.gpio.pin("B", 2).write(true)
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end
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function SANSAVIEW.lcd_send_msg(count, val)
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local clock = PP.gpio.pin("H", 6)
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local data = PP.gpio.pin("H", 4)
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local cs = PP.gpio.pin("H", 7)
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clock.write(true)
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cs.write(false)
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for i = count-1, 0, -1 do
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data.write(bit32.extract(val, i) == 1)
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clock.write(false)
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clock.write(true)
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end
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cs.write(true)
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end
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function SANSAVIEW.lcd_write_cmd(cmd)
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SANSAVIEW.lcd_send_msg(24, bit32.bor(0x700000, cmd))
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end
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function SANSAVIEW.lcd_write_data(data)
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SANSAVIEW.lcd_send_msg(24, bit32.bor(0x720000, data))
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end
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function SANSAVIEW.lcd_write_reg(cmd, data)
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SANSAVIEW.lcd_write_cmd(cmd)
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SANSAVIEW.lcd_write_data(data)
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end
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function SANSAVIEW.lcd_init()
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-- lcd reset
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PP.gpio.pin("B", 2).enable(true)
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PP.gpio.pin("B", 2).write(true)
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PP.gpio.pin("B", 2).output_enable(true)
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-- lcd type
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PP.gpio.pin("G", 3).enable(true)
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PP.gpio.pin("G", 3).output_enable(false)
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-- spi data
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PP.gpio.pin("H", 4).enable(true)
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PP.gpio.pin("H", 4).write(true)
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PP.gpio.pin("H", 4).output_enable(true)
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-- spi clock
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PP.gpio.pin("H", 6).enable(true)
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PP.gpio.pin("H", 6).write(true)
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PP.gpio.pin("H", 6).output_enable(true)
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-- spi cs
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PP.gpio.pin("H", 7).enable(true)
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PP.gpio.pin("H", 7).write(true)
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PP.gpio.pin("H", 7).output_enable(true)
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-- lcd unk
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PP.gpio.pin("J", 1).enable(false)
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PP.gpio.pin("J", 1).write(false)
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PP.gpio.pin("J", 1).output_enable(false)
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HW.SYS.DEV1.write(bit32.bor(HW.SYS.DEV1.read(),0xfc000000))
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HW.SYS.DEV3.write(bit32.bor(HW.SYS.DEV3.read(),0xc300000))
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HW.SYS.DEV2.write(0x40000000)
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SANSAVIEW.lcd_reset()
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SANSAVIEW.lcd_type = PP.gpio.pin("G", 3).read()
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print(string.format("sansaview: lcd type is %s", SANSAVIEW.lcd_type))
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SANSAVIEW.lcd_write_reg(0xE5, 0x8000)
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SANSAVIEW.lcd_write_reg(0x0, 0x1)
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SANSAVIEW.lcd_write_reg(0x1, 0x100)
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SANSAVIEW.lcd_write_reg(0x2, 0x700)
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SANSAVIEW.lcd_write_reg(0x3, 0x1230)
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SANSAVIEW.lcd_write_reg(0x4, 0x0)
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SANSAVIEW.lcd_write_reg(0x8, 0x408)
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SANSAVIEW.lcd_write_reg(0x9, 0x0)
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SANSAVIEW.lcd_write_reg(0xa, 0x0)
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SANSAVIEW.lcd_write_reg(0xd, 0x0)
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SANSAVIEW.lcd_write_reg(0xf, 0x2)
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SANSAVIEW.lcd_write_reg(0x10, 0x0)
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SANSAVIEW.lcd_write_reg(0x11, 0x0)
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SANSAVIEW.lcd_write_reg(0x12, 0x0)
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SANSAVIEW.lcd_write_reg(0x13, 0x0)
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SANSAVIEW.lcd_write_reg(0x10, 0x17B0)
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SANSAVIEW.lcd_write_reg(0x11, 0x7)
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SANSAVIEW.lcd_write_reg(0x12, 0x13c)
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if SANSAVIEW.lcd_type == 0 then
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SANSAVIEW.lcd_write_reg(0x13, 0x1700)
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SANSAVIEW.lcd_write_reg(0x29, 0x10)
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SANSAVIEW.lcd_write_reg(0x20, 0x0)
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SANSAVIEW.lcd_write_reg(0x21, 0x0)
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SANSAVIEW.lcd_write_reg(0x30, 0x7)
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SANSAVIEW.lcd_write_reg(0x31, 0x403)
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SANSAVIEW.lcd_write_reg(0x32, 0x400)
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SANSAVIEW.lcd_write_reg(0x35, 0x3)
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SANSAVIEW.lcd_write_reg(0x36, 0xF07)
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SANSAVIEW.lcd_write_reg(0x37, 0x606)
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SANSAVIEW.lcd_write_reg(0x38, 0x106)
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SANSAVIEW.lcd_write_reg(0x39, 0x7)
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else
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SANSAVIEW.lcd_write_reg(0x13, 0x1800)
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SANSAVIEW.lcd_write_reg(0x29, 0x13)
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SANSAVIEW.lcd_write_reg(0x20, 0x0)
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SANSAVIEW.lcd_write_reg(0x21, 0x0)
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SANSAVIEW.lcd_write_reg(0x30, 0x2)
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SANSAVIEW.lcd_write_reg(0x31, 0x606)
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SANSAVIEW.lcd_write_reg(0x32, 0x501)
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SANSAVIEW.lcd_write_reg(0x35, 0x206)
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SANSAVIEW.lcd_write_reg(0x36, 0x504)
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SANSAVIEW.lcd_write_reg(0x37, 0x707)
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SANSAVIEW.lcd_write_reg(0x38, 0x306)
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SANSAVIEW.lcd_write_reg(0x39, 0x7)
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end
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SANSAVIEW.lcd_write_reg(0x3c, 0x700)
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SANSAVIEW.lcd_write_reg(0x3d, 0x700)
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SANSAVIEW.lcd_write_reg(0x50, 0x0)
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SANSAVIEW.lcd_write_reg(0x51, 0xef) -- 239 - LCD_WIDTH
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SANSAVIEW.lcd_write_reg(0x52, 0x0)
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SANSAVIEW.lcd_write_reg(0x53, 0x13f) -- 319 - LCD_HEIGHT
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SANSAVIEW.lcd_write_reg(0x60, 0x2700)
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SANSAVIEW.lcd_write_reg(0x61, 0x1)
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SANSAVIEW.lcd_write_reg(0x6a, 0x0)
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SANSAVIEW.lcd_write_reg(0x80, 0x0)
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SANSAVIEW.lcd_write_reg(0x81, 0x0)
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SANSAVIEW.lcd_write_reg(0x82, 0x0)
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SANSAVIEW.lcd_write_reg(0x83, 0x0)
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SANSAVIEW.lcd_write_reg(0x84, 0x0)
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SANSAVIEW.lcd_write_reg(0x85, 0x0)
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SANSAVIEW.lcd_write_reg(0x90, 0x10)
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SANSAVIEW.lcd_write_reg(0x92, 0x0)
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SANSAVIEW.lcd_write_reg(0x93, 0x3)
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SANSAVIEW.lcd_write_reg(0x95, 0x110)
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SANSAVIEW.lcd_write_reg(0x97, 0x0)
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SANSAVIEW.lcd_write_reg(0x98, 0x0)
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SANSAVIEW.lcd_write_reg(0xc, 0x110)
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SANSAVIEW.lcd_write_reg(0x7, 0x173)
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end
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function SANSAVIEW.init()
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SANSAVIEW.set_backlight(true)
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SANSAVIEW.lcd_init()
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end
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