aod: lower lcd voltage
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0bcd7e0009
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da9ab4a7b4
2 changed files with 9 additions and 0 deletions
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@ -28,6 +28,7 @@ void St7789::Init() {
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NormalModeOn();
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SetVdv();
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PowerControl();
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GateControl();
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DisplayOn();
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}
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@ -190,6 +191,12 @@ void St7789::PowerControl() {
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WriteData(0xb3);
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}
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void St7789::GateControl() {
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WriteCommand(static_cast<uint8_t>(Commands::GateControl));
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// Lowest possible VGL/VGH
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WriteData(0x00);
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}
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void St7789::SetAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
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WriteCommand(static_cast<uint8_t>(Commands::ColumnAddressSet));
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uint8_t colArgs[] = {
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@ -55,6 +55,7 @@ namespace Pinetime {
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void DisplayOn();
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void DisplayOff();
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void PowerControl();
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void GateControl();
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void SetAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1);
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void SetVdv();
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@ -84,6 +85,7 @@ namespace Pinetime {
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Command2Enable = 0xdf,
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PowerControl1 = 0xd0,
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PowerControl2 = 0xe8,
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GateControl = 0xb7,
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};
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void WriteData(uint8_t data);
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void WriteData(const uint8_t* data, size_t size);
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