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aod: porch control: 2Hz idle + 75Hz on

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mark9064 2024-01-25 22:05:41 +00:00 committed by JF
parent da9ab4a7b4
commit ef88e8165c
2 changed files with 38 additions and 14 deletions
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42
src/drivers/St7789.cpp
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@ -25,6 +25,9 @@ void St7789::Init() {
#ifndef DRIVER_DISPLAY_MIRROR #ifndef DRIVER_DISPLAY_MIRROR
DisplayInversionOn(); DisplayInversionOn();
#endif #endif
PorchSet();
FrameRateNormalSet();
IdleFrameRateOff();
NormalModeOn(); NormalModeOn();
SetVdv(); SetVdv();
PowerControl(); PowerControl();
@ -149,27 +152,44 @@ void St7789::IdleModeOff() {
WriteCommand(static_cast<uint8_t>(Commands::IdleModeOff)); WriteCommand(static_cast<uint8_t>(Commands::IdleModeOff));
} }
void St7789::FrameRateLow() { void St7789::PorchSet() {
WriteCommand(static_cast<uint8_t>(Commands::FrameRate)); WriteCommand(static_cast<uint8_t>(Commands::Porch));
// Enable frame rate control for partial/idle mode, 8x frame divider constexpr uint8_t args[] = {
0x02, // Normal mode front porch
0x03, // Normal mode back porch
0x01, // Porch control enable
0xed, // Idle mode front:back porch
0xed, // Partial mode front:back porch (partial mode unused but set anyway)
};
WriteData(args, sizeof(args));
}
void St7789::FrameRateNormalSet() {
WriteCommand(static_cast<uint8_t>(Commands::FrameRateNormal));
// Note that the datasheet table is imprecise - see formula below table
WriteData(0x0a);
}
void St7789::IdleFrameRateOn() {
WriteCommand(static_cast<uint8_t>(Commands::FrameRateIdle));
// According to the datasheet, these controls should apply only to partial/idle mode // According to the datasheet, these controls should apply only to partial/idle mode
// However they appear to apply to normal mode, so we have to enable/disable // However they appear to apply to normal mode, so we have to enable/disable
// every time we enter/exit always on // every time we enter/exit always on
// In testing this divider appears to actually be 16x? // In testing this divider appears to actually be 16x?
constexpr uint8_t args[] = { constexpr uint8_t args[] = {
0x13, // Enable frame rate control for partial/idle mode, 8x frame divider 0x13, // Enable frame rate control for partial/idle mode, 8x frame divider
0x1f, // Idle mode frame rate (lowest possible) 0x1e, // Idle mode frame rate
0x1f, // Partial mode frame rate (lowest possible, unused) 0x1e, // Partial mode frame rate (unused)
}; };
WriteData(args, sizeof(args)); WriteData(args, sizeof(args));
} }
void St7789::FrameRateNormal() { void St7789::IdleFrameRateOff() {
WriteCommand(static_cast<uint8_t>(Commands::FrameRate)); WriteCommand(static_cast<uint8_t>(Commands::FrameRateIdle));
constexpr uint8_t args[] = { constexpr uint8_t args[] = {
0x00, // Disable frame rate control and divider 0x00, // Disable frame rate control and divider
0x0f, // Idle mode frame rate (normal) 0x0a, // Idle mode frame rate (normal)
0x0f, // Partial mode frame rate (normal, unused) 0x0a, // Partial mode frame rate (normal, unused)
}; };
WriteData(args, sizeof(args)); WriteData(args, sizeof(args));
} }
@ -266,13 +286,13 @@ void St7789::HardwareReset() {
void St7789::LowPowerOn() { void St7789::LowPowerOn() {
IdleModeOn(); IdleModeOn();
FrameRateLow(); IdleFrameRateOn();
NRF_LOG_INFO("[LCD] Low power mode"); NRF_LOG_INFO("[LCD] Low power mode");
} }
void St7789::LowPowerOff() { void St7789::LowPowerOff() {
IdleModeOff(); IdleModeOff();
FrameRateNormal(); IdleFrameRateOff();
NRF_LOG_INFO("[LCD] Normal power mode"); NRF_LOG_INFO("[LCD] Normal power mode");
} }

10
src/drivers/St7789.h
View file

@ -50,12 +50,14 @@ namespace Pinetime {
void WriteToRam(const uint8_t* data, size_t size); void WriteToRam(const uint8_t* data, size_t size);
void IdleModeOn(); void IdleModeOn();
void IdleModeOff(); void IdleModeOff();
void FrameRateNormal(); void FrameRateNormalSet();
void FrameRateLow(); void IdleFrameRateOff();
void IdleFrameRateOn();
void DisplayOn(); void DisplayOn();
void DisplayOff(); void DisplayOff();
void PowerControl(); void PowerControl();
void GateControl(); void GateControl();
void PorchSet();
void SetAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1); void SetAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1);
void SetVdv(); void SetVdv();
@ -80,12 +82,14 @@ namespace Pinetime {
IdleModeOff = 0x38, IdleModeOff = 0x38,
IdleModeOn = 0x39, IdleModeOn = 0x39,
PixelFormat = 0x3a, PixelFormat = 0x3a,
FrameRate = 0xb3, FrameRateIdle = 0xb3,
FrameRateNormal = 0xc6,
VdvSet = 0xc4, VdvSet = 0xc4,
Command2Enable = 0xdf, Command2Enable = 0xdf,
PowerControl1 = 0xd0, PowerControl1 = 0xd0,
PowerControl2 = 0xe8, PowerControl2 = 0xe8,
GateControl = 0xb7, GateControl = 0xb7,
Porch = 0xb2,
}; };
void WriteData(uint8_t data); void WriteData(uint8_t data);
void WriteData(const uint8_t* data, size_t size); void WriteData(const uint8_t* data, size_t size);