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20 commits

Author SHA1 Message Date
Riku Isokoski 6dac0a62f4 Remove lcd from DisplayApp 2022-05-08 13:12:37 +02:00
Riku Isokoski 8061822f0c Fix large blacklevel step. Lower 25% of shades are now accessible. 
There is a large step in brightness from level zero to level one.
After experimenting with various ST7789 options, I found that
decreasing VDV to 0x10 (-0.4V) fixes this issue.

The gamma change reduced the average error in brightness, but with the
underlying issue fixed, the gamma change has been reverted.
 2022-04-29 11:35:22 +03:00
Riku Isokoski aa32159c00 Tweak gamma on ST7789 and match UI colors 
This change will increase the color accuracy of the PineTime and make UI
development with the simulator easier.
 2022-04-25 15:50:26 +03:00
Avamander 6989854519 Changed access modified indentation 2021-04-24 12:00:45 +03:00
Avamander 40d45d923b Reformatted all the files according to clang-format style 2021-04-24 11:39:53 +03:00
Joaquim dba7e47ac0 FIX screen corruption #213 2021-03-18 19:38:19 +00:00
Niall Cooling 66a296d0f3 changed command MemoryDataAccessControl from 036 to 0x36 in St7789 class 2021-01-21 07:51:43 +00:00
okaestne c3475b92fa
Include cleanup: drivers 2020-11-15 05:04:22 +01:00
JF 0b8e6c3fa2 Add SPI NOR Flash driver, WIP. 2020-05-07 19:53:51 +02:00
JF a91c68c931 Backup and restore vertical scroll offset when goind to sleep/wakeup to avoid scrambled display on wake-up. 2020-03-11 21:35:06 +01:00
JF 0a5cd60fe8 When a full screen refresh is done, apply a vertical scroll during the refresh. This makes the transition from one screen the another one smoother, even if the refresh rate is slow. 2020-03-08 21:46:25 +01:00
JF d834f40c10 Do not copy LittleVgl object in DislayApp, use reference instead. 
Make Cst816s, SpiMaster and St7789 not copiable and not movable
 2020-03-08 21:38:11 +01:00
JF f30573a9b0 Add support for hardware assisted vertical scrolling. 2020-02-15 15:12:29 +01:00
JF 5fa4f5abe0 Better integration of SPI with DMA and IRQ. Using only 'End' IRQ. Perf could be improved by using 'Started' IRQ to prepare the next buffer while the current one is beeing sent. 2020-01-26 13:37:10 +01:00
JF eb7a1b3ac9 [WIP] Max SPI speed reached (119ms for a full refresh. Theo max : 240*240*16 = 115.2ms) using IRQ and DMA. 
Code needs some cleaning before integration.
 2020-01-22 21:08:53 +01:00
JF b4bd41cd56 Implement the SPI driver using DMA. 2020-01-19 19:47:49 +01:00
JF c1f3a31b51 Disable SPI, I²C, touch controller and display controller in sleep mode. 
Re-enable them on wake up.

Remove delays that were not needed in st7889 driver.

Hopefully, it'll improve the battery life!
 2020-01-17 22:16:45 +01:00
JF e08cfe07c7 Apply reset signal on pin P0.26 for LCD during init. 2020-01-02 14:47:59 +01:00
JF 528fc56616 The font is now fixed width. 
HUGE performance improvement of the display driver.
 2019-12-07 19:15:33 +01:00
JF 6fbb6c8f70 Convert Spi and GFX to C++. 2019-12-07 17:11:50 +01:00
Renamed from src/drivers/st7789.h (Browse further)