Commit graph

8 commits

Author SHA1 Message Date
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 aa3e5c0c6f [WIP] Use IRQ in SPI driver to improve performances 2020-01-22 19:45:53 +01:00
JF b4bd41cd56 Implement the SPI driver using DMA. 2020-01-19 19:47:49 +01:00
JF 2b3e6b1cde Refactor ctor() and Ini() of SpiMaster. 2020-01-18 20:53:32 +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 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