CCF_100/InfiniTime
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Disable SPI, I²C, touch controller and display controller in sleep mode.

Browse Source 
Re-enable them on wake up.

Remove delays that were not needed in st7889 driver.

Hopefully, it'll improve the battery life!
This commit is contained in:
JF
2020-01-17 22:16:45 +01:00
parent 69a14a2247
commit c1f3a31b51
9 changed files with 82 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
src/drivers/St7789.cpp
View File

@@ -48,7 +48,10 @@ void St7789::SoftwareReset() {
void St7789::SleepOut() {
WriteCommand(static_cast<uint8_t>(Commands::SleepOut));
nrf_delay_ms(500);
}
void St7789::SleepIn() {
WriteCommand(static_cast<uint8_t>(Commands::SleepIn));
}
void St7789::ColMod() {
@@ -90,7 +93,6 @@ void St7789::NormalModeOn() {
void St7789::DisplayOn() {
WriteCommand(static_cast<uint8_t>(Commands::DisplayOn));
nrf_delay_ms(500);
}
void St7789::FillRectangle(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color) {
@@ -163,9 +165,30 @@ void St7789::NextDrawBuffer(const uint8_t *data, size_t size) {
void St7789::HardwareReset() {
nrf_gpio_pin_clear(26);
nrf_delay_ms(200);
nrf_delay_ms(10);
nrf_gpio_pin_set(26);
}
void St7789::Sleep() {
SleepIn();
nrf_gpio_cfg_default(pinDataCommand);
spi.Sleep();
}
void St7789::Wakeup() {
spi.Wakeup();
nrf_gpio_cfg_output(pinDataCommand);
// TODO why do we need to reset the controller?
SoftwareReset();
SleepOut();
ColMod();
MemoryDataAccessControl();
ColumnAddressSet();
RowAddressSet();
DisplayInversionOn();
NormalModeOn();
DisplayOn();
}