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Add support for hardware assisted vertical scrolling.

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This commit is contained in:
JF
2020-02-15 15:12:29 +01:00
parent e737fb0499
commit f30573a9b0
4 changed files with 34 additions and 1 deletions
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17
src/drivers/St7789.cpp
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@@ -120,6 +120,23 @@ void St7789::DisplayOff() {
nrf_delay_ms(500);
}
void St7789::VerticalScrollDefinition(uint16_t topFixedLines, uint16_t scrollLines, uint16_t bottomFixedLines) {
WriteCommand(static_cast<uint8_t>(Commands::VerticalScrollDefinition));
WriteData(topFixedLines >> 8u);
WriteData(topFixedLines & 0x00ffu);
WriteData(scrollLines >> 8u);
WriteData(scrollLines & 0x00ffu);
WriteData(bottomFixedLines >> 8u);
WriteData(bottomFixedLines & 0x00ffu);
}
void St7789::VerticalScrollStartAddress(uint16_t line) {
WriteCommand(static_cast<uint8_t>(Commands::VerticalScrollStartAddress));
WriteData(line >> 8u);
WriteData(line & 0x00ffu);
}
void St7789::Uninit() {
}