JF
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0b8e6c3fa2
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Add SPI NOR Flash driver, WIP.
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2020-05-07 19:53:51 +02:00 |
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JF
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a91c68c931
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Backup and restore vertical scroll offset when goind to sleep/wakeup to avoid scrambled display on wake-up.
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2020-03-11 21:35:06 +01:00 |
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JF
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0a5cd60fe8
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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.
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2020-03-08 21:46:25 +01:00 |
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JF
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f30573a9b0
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Add support for hardware assisted vertical scrolling.
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2020-02-15 15:12:29 +01:00 |
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JF
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5fa4f5abe0
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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.
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2020-01-26 13:37:10 +01:00 |
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JF
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eb7a1b3ac9
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[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.
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2020-01-22 21:08:53 +01:00 |
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JF
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b4bd41cd56
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Implement the SPI driver using DMA.
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2020-01-19 19:47:49 +01:00 |
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JF
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8daa830ee0
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Apply Hardware reset on display during wake-up, as softreset might not be enough to wake the display up.
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2020-01-18 13:55:22 +01:00 |
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JF
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c1f3a31b51
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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!
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2020-01-17 22:16:45 +01:00 |
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JF
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e08cfe07c7
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Apply reset signal on pin P0.26 for LCD during init.
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2020-01-02 14:47:59 +01:00 |
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JF
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528fc56616
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The font is now fixed width.
HUGE performance improvement of the display driver.
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2019-12-07 19:15:33 +01:00 |
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JF
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6fbb6c8f70
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Convert Spi and GFX to C++.
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2019-12-07 17:11:50 +01:00 |
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