102 lines
3.5 KiB
Lua
102 lines
3.5 KiB
Lua
--
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-- Sony NWZ-E370
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--
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NWZE370 = {}
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function NWZE370.lcd_send(cmd, data)
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STMP.lcdif.set_data_swizzle(0)
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STMP.lcdif.set_byte_packing_format(0xf)
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STMP.lcdif.send_pio(false, {cmd})
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if #data ~= 0 then
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STMP.lcdif.send_pio(true, data)
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end
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end
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function NWZE370.lcd_set_update_rect(x, y, w, h)
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NWZE370.lcd_send(0x2a, {0, x, 0, x + w - 1})
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NWZE370.lcd_send(0x2b, {0, y, 0, y + h - 1})
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NWZE370.lcd_send(0x2c, {})
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end
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function NWZE370.lcd_init()
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STMP.lcdif.setup_clock()
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STMP.pinctrl.lcdif.setup_system(8, false)
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STMP.lcdif.init()
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STMP.lcdif.set_databus_width(8)
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STMP.lcdif.set_word_length(8)
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STMP.lcdif.set_system_timing(2, 2, 2, 2)
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STMP.lcdif.set_byte_packing_format(0xf)
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STMP.lcdif.set_reset(1)
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STMP.lcdif.set_reset(0)
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STMP.lcdif.set_reset(1)
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STMP.digctl.mdelay(150)
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NWZE370.lcd_send(1, {}) -- software reset
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NWZE370.lcd_send(0x11, {}) -- slee out
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STMP.digctl.mdelay(150)
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NWZE370.lcd_send(0x26, {4}) -- gamma set (curve 3)
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NWZE370.lcd_send(0xb1, {9, 0xd}) -- frame rate (DIVA=9, VPA=13) => 88.9 Hz ?
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NWZE370.lcd_send(0xc0, {8, 0}) -- power control 1 (GVDD=4.4 V, VCI1=2.75 V)
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NWZE370.lcd_send(0xc1, {5}) -- power control 2 (setting 5)
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NWZE370.lcd_send(0xc5, {0x31, 0x40}) -- VCOM control 1 (0x31, 0x40)
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NWZE370.lcd_send(0xc7, {0xc8}) -- VCOM offset control (0xc8)
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NWZE370.lcd_send(0xec, {0xc}) --
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NWZE370.lcd_send(0x3a, {5}) -- interface pixel format (16 bit/pixel)
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NWZE370.lcd_send(0x2a, {0, 0, 0, 0x7f}) -- column address (0, 127)
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NWZE370.lcd_send(0x2b, {0, 0, 0, 0x9f}) -- page address set (0, 159)
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NWZE370.lcd_send(0x35, {0}) -- tear effect line on (M=0)
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NWZE370.lcd_send(0x36, {0xc8}) -- memory access control (MH=0, BGR, ML=MV=0, MX=MY=1)
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NWZE370.lcd_send(0xb4, {0}) -- display inversion (NLA=NLB=NLC=0)
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NWZE370.lcd_send(0xb7, {0}) -- source driver direction control (CRL=0)
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NWZE370.lcd_send(0xb8, {0}) -- gate driver direction control (CTB=0)
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NWZE370.lcd_send(0xf2, {1}) -- gamma adjustment (enable)
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NWZE370.lcd_send(0xe0, {0x3f, 0x20, 0x1d, 0x2d, 0x26, 0xc, 0x4b, 0xb7,
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0x39, 0x17, 0x1d, 0x16, 0x16, 0x10, 0}) -- positive gamma
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NWZE370.lcd_send(0xe1, {0, 0x1f, 0x21, 0x12, 0x18, 0x13, 0x34, 0x48,
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0x46, 8, 0x21, 0x29, 0x28, 0x2f, 0x3f}) --negative gamma
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NWZE370.lcd_send(0x29, {}) -- display on
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NWZE370.lcd_set_update_rect(10, 10, 20, 10)
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for i = 0, 19 do
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for j = 0, 9 do
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pix = 0xf800
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STMP.lcdif.send_pio(true, {bit32.band(pix, 0xff), bit32.rshift(pix, 8)})
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end
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end
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end
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function NWZE370.set_backlight(val)
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STMP.pinctrl.pin(0, 10).muxsel('GPIO')
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STMP.pinctrl.pin(0, 10).enable()
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STMP.pinctrl.pin(0, 10).set()
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end
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function NWZE370.init()
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NWZE370.lcd_init()
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NWZE370.set_backlight(100)
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--[[
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HW.LRADC.CTRL0.SFTRST.clr()
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HW.LRADC.CTRL0.CLKGATE.clr()
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HW.LRADC.CHn[0].ACCUMULATE.clr()
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HW.LRADC.CHn[0].NUM_SAMPLES.write(0)
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HW.LRADC.CHn[0].VALUE.write(0)
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local t = {}
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for i = 1,1000,1 do
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HW.LRADC.CTRL0.SCHEDULE.write(1)
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--local time = HW.DIGCTL.MICROSECONDS.read()
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local time = i * 1000
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local val = HW.LRADC.CHn[0].VALUE.read()
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t[#t + 1] = {time, val}
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end
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local file = io.open("data.txt", "w")
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for i,v in ipairs(t) do
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file:write(string.format("%d %d\n", v[1] / 1000, v[2]))
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end
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file:close()
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print("Display curve using:")
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print("gnuplot -persist");
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print("> plot \"data.txt\" using 1:2")
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]]--
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end
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