joe hi, how you getting on with that 480x272 LCD? give these a shot ok?
[lcd0_para] lcd_used = 1 lcd_x = 480 lcd_y = 272 lcd_dclk_freq = 9 lcd_pwm_not_used = 1 lcd_pwm_ch = 0 lcd_pwm_freq = lcd_pwm_pol = 0 lcd_if = 0 lcd_hbp = 40 lcd_ht = 525 lcd_vbp = 8 lcd_vt = 576 lcd_hv_if = 0 lcd_hv_smode = 0 lcd_hv_s888_if = 0 lcd_hv_syuv_if = 0 lcd_hv_vspw = 5 lcd_hv_hspw = 30 lcd_lvds_ch = 0 lcd_lvds_mode = 0 lcd_lvds_bitwidth = 0 lcd_lvds_io_cross = 0 lcd_cpu_if = 0 lcd_frm = 1 lcd_io_cfg0 = 268435456 lcd_gamma_correction_en = 0 lcd_gamma_tbl_0 = 0x0 lcd_gamma_tbl_1 = 0x10101 lcd_gamma_tbl_255 = 0xffffff
On Thu, Sep 12, 2013 at 12:01 PM, luke.leighton luke.leighton@gmail.com wrote:
joe this is amazingly already in here: http://linux-sunxi.org/Fex_Guide#.5Blcd0_para.5D
remember to run fex2bin script.fex script.bin after editing.
;RGB 480x272 module name: KD43G18-40NB-A11 lcd_x = 480 lcd_y = 272 lcd_dclk_freq = 9 lcd_if = 0 lcd_hbp = 2 lcd_ht = 525 lcd_vbp = 2 lcd_vt = 572
On Thu, Sep 12, 2013 at 11:09 AM, joem joem@martindale-electric.co.uk wrote:
Hi,
A 480 × 272 5" LCD which costs <$15 has been lashed up for testing:
http://www.gplsquared.com/eoma_boot/eoma_boot.html#lcd_lashup
The LCD is a KD43G18-40NB-A1. Aliexpress store sell these LCDs http://www.aliexpress.com/wholesale?SearchText=KD43G18-40NB-A1
Datasheet http://www.gplsquared.com/eoma_boot/KD43G18-40NB-A1-1.pdf
Anyone got a time to do a time saving uSD image configured for 480 x 272 operation that I can try for a bit of quick verification :) ?
arm-netbook mailing list arm-netbook@lists.phcomp.co.uk http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to arm-netbook@files.phcomp.co.uk
Been busy in other areas. The furthest I got was to note that some driver thing not done up - and may be intimately tied to VGA drivers. It loads without error messages now and something happens on the video - though nowhere near interesting. I order 2xcubie breakout boards and try wiring up those as back up. If the cubie2 can do it, it can be ported to eoma in no time. Olimex guys have LCD working, but there is not ONE complete working example that cuts the chase to show anyone how its done for RGB LCD for A10 or A20.
Thanks for the settings, I will give it a go soon.
________________________________________
joe hi, how you getting on with that 480x272 LCD? give these a shot ok?
[lcd0_para] lcd_used = 1 lcd_x = 480 lcd_y = 272 lcd_dclk_freq = 9 lcd_pwm_not_used = 1 lcd_pwm_ch = 0 lcd_pwm_freq = lcd_pwm_pol = 0 lcd_if = 0 lcd_hbp = 40 lcd_ht = 525 lcd_vbp = 8 lcd_vt = 576 lcd_hv_if = 0 lcd_hv_smode = 0 lcd_hv_s888_if = 0 lcd_hv_syuv_if = 0 lcd_hv_vspw = 5 lcd_hv_hspw = 30 lcd_lvds_ch = 0 lcd_lvds_mode = 0 lcd_lvds_bitwidth = 0 lcd_lvds_io_cross = 0 lcd_cpu_if = 0 lcd_frm = 1 lcd_io_cfg0 = 268435456 lcd_gamma_correction_en = 0 lcd_gamma_tbl_0 = 0x0 lcd_gamma_tbl_1 = 0x10101 lcd_gamma_tbl_255 = 0xffffff
On Thu, Sep 12, 2013 at 12:01 PM, luke.leighton luke.leighton@gmail.com wrote:
joe this is amazingly already in here: http://linux-sunxi.org/Fex_Guide#.5Blcd0_para.5D
remember to run fex2bin script.fex script.bin after editing.
;RGB 480x272 module name: KD43G18-40NB-A11 lcd_x = 480 lcd_y = 272 lcd_dclk_freq = 9 lcd_if = 0 lcd_hbp = 2 lcd_ht = 525 lcd_vbp = 2 lcd_vt = 572
On Thu, Sep 12, 2013 at 11:09 AM, joem joem@martindale-electric.co.uk wrote:
Hi,
A 480 × 272 5" LCD which costs <$15 has been lashed up for testing:
http://www.gplsquared.com/eoma_boot/eoma_boot.html#lcd_lashup
The LCD is a KD43G18-40NB-A1. Aliexpress store sell these LCDs http://www.aliexpress.com/wholesale?SearchText=KD43G18-40NB-A1
Datasheet http://www.gplsquared.com/eoma_boot/KD43G18-40NB-A1-1.pdf
On Mon, Oct 14, 2013 at 11:36 PM, joem joem@martindale-electric.co.uk wrote:
Been busy in other areas. The furthest I got was to note that some driver thing not done up - and may be intimately tied to VGA drivers. It loads without error messages now and something happens on the video - though nowhere near interesting. I order 2xcubie breakout boards and try wiring up those as back up. If the cubie2 can do it, it can be ported to eoma in no time. Olimex guys have LCD working, but there is not ONE complete working example that cuts the chase to show anyone how its done for RGB LCD for A10 or A20.
if you've got a spare board even a prototype with a 3.3v and other power regs on it, and one of the 480x272 LCDs you can send me i'll have a go if you like. something that can connect to the MEB i've got here.
l.
On Tue, 2013-10-15 at 04:24 +0100, luke.leighton wrote:
On Mon, Oct 14, 2013 at 11:36 PM, joem joem@martindale-electric.co.uk wrote:
Been busy in other areas. The furthest I got was to note that some driver thing not done up - and may be intimately tied to VGA drivers. It loads without error messages now and something happens on the video - though nowhere near interesting. I order 2xcubie breakout boards and try wiring up those as back up. If the cubie2 can do it, it can be ported to eoma in no time. Olimex guys have LCD working, but there is not ONE complete working example that cuts the chase to show anyone how its done for RGB LCD for A10 or A20.
if you've got a spare board even a prototype with a 3.3v and other power regs on it, and one of the 480x272 LCDs you can send me i'll have a go if you like. something that can connect to the MEB i've got here.
Good.
Success = Effort x (tools)^2
Success = 1 x (1)^2 at the moment.
I'm waiting on the cubie expansion boards one of which i plan for this LCD. Have to wire a duplicate fpc + power supplies (3.3V + 18V backlight). That means 5V and 19V laptop type power supply needed to power up the LCD.
So yes if I spend time to make 2nd tool with cubie, then its time well spent as I will have 2 tools, and if I make a duplicate eoma one, I can send one tool to you for parallel effort.
Option1 - Success = 1 x (2)^2 + 1 x (1)^2 = 5
If just send you the eoma tool after having made a cubie tool for myself, it would become
Option2 - Success = 1 x (1)^2 + 1 x (1)^2 = 2
If I make a cubieboard LCD system tool for you as well and the eoma tool, and you can use both effectively, then we both have 2 tools and it become
Option3 - Success = 1 x (2)^2 + 1 x (2)^2 = 8
Take your pick!
hm i kinda have if necessary access to 18v (ok 17) off the flying squirrel LCD charge pump, plus 3.3v LDO. as long as you can do a breakout for the fpc and preferably have a suitable 44-pin connector that mates with the MEB's pins (so i'm not having to solder 30 wires directly to it and make a mess!) i should be good to go.
l.
On Tue, 2013-10-15 at 10:12 +0100, luke.leighton wrote:
hm i kinda have if necessary access to 18v (ok 17) off the flying
17V on the border between working and not working - 18V ok, 19V laptop supplies - ebay about £15
squirrel LCD charge pump, plus 3.3v LDO.
LDO needs a little head room + protection diode - need 5V supply about £5 on ebay.
as long as you can do a breakout for the fpc and preferably have a suitable 44-pin connector that mates with the MEB's pins (so i'm not having to solder 30 wires directly to it and make a mess!) i should be good to go.
That is the bit I have to wire for you with fpc fitted - real pain them 0.5mm pitch fpc.
Play it by ear... see what hardware turns up and how far I get, and then I send email again.
On Tue, Oct 15, 2013 at 10:56 AM, joem joem@martindale-electric.co.uk wrote:
On Tue, 2013-10-15 at 10:12 +0100, luke.leighton wrote:
hm i kinda have if necessary access to 18v (ok 17) off the flying
17V on the border between working and not working - 18V ok, 19V laptop supplies - ebay about £15
ok. i got one of those kicking around.
squirrel LCD charge pump, plus 3.3v LDO.
LDO needs a little head room + protection diode - need 5V supply about £5 on ebay.
ok.
as long as you can do a breakout for the fpc and preferably have a suitable 44-pin connector that mates with the MEB's pins (so i'm not having to solder 30 wires directly to it and make a mess!) i should be good to go.
That is the bit I have to wire for you with fpc fitted - real pain them 0.5mm pitch fpc.
oh if you're doing it by hand i can manage that if you can source the components. i might have a 40-pin 2.5mm header i got from maplin's 2 years ago - i'll check the bag-o-bits tonight :)
Play it by ear... see what hardware turns up and how far I get, and then I send email again.
ok sah.
l.
hm i kinda have if necessary access to 18v (ok 17) off the flying
17V on the border between working and not working - 18V ok, 19V laptop supplies - ebay about £15
ok. i got one of those kicking around.
squirrel LCD charge pump, plus 3.3v LDO.
LDO needs a little head room + protection diode - need 5V supply about £5 on ebay.
ok.
as long as you can do a breakout for the fpc and preferably have a suitable 44-pin connector that mates with the MEB's pins (so i'm not having to solder 30 wires directly to it and make a mess!) i should be good to go.
That is the bit I have to wire for you with fpc fitted - real pain them 0.5mm pitch fpc.
oh if you're doing it by hand i can manage that if you can source the components. i might have a 40-pin 2.5mm header i got from maplin's 2 years ago - i'll check the bag-o-bits tonight :)
Play it by ear... see what hardware turns up and how far I get, and then I send email again.
ok sah.
Jam today!
Arrived are 2 x cubieboard expansion boards
arm-netbook@lists.phcomp.co.uk
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joem -
luke.leighton