Commit Graph

10 Commits

Author SHA1 Message Date
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
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
8daa830ee0 Apply Hardware reset on display during wake-up, as softreset might not be enough to wake the display up. 2020-01-18 13:55:22 +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