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| author | Jean-François Milants <jf@codingfield.com> | 2023-05-18 15:18:56 +0200 |
|---|---|---|
| committer | JF <JF002@users.noreply.github.com> | 2023-06-04 17:22:27 +0200 |
| commit | 62848b33fb3df756fea17f31c818cd6de7a85b34 (patch) | |
| tree | fa4b778d7b965fdc3b633e05a63b6753b741e78d /src/drivers/St7789.cpp | |
| parent | 4c0f897953aa8d478f3c941e75d3b2eb5611531d (diff) | |
Power optimization - Improve SPI sleep mode
Calls to Spi::Init() are not needed, pin initialization is already done in ctor().
Remove calls to Spi::Sleep()/Spi::Wakeup() to ensure that SPI CS pins are kept high even in sleep mode.
Diffstat (limited to 'src/drivers/St7789.cpp')
| -rw-r--r-- | src/drivers/St7789.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/src/drivers/St7789.cpp b/src/drivers/St7789.cpp index ed98c06d..e18c43a3 100644 --- a/src/drivers/St7789.cpp +++ b/src/drivers/St7789.cpp @@ -10,7 +10,6 @@ St7789::St7789(Spi& spi, uint8_t pinDataCommand) : spi {spi}, pinDataCommand {pi } void St7789::Init() { - spi.Init(); nrf_gpio_cfg_output(pinDataCommand); nrf_gpio_cfg_output(26); nrf_gpio_pin_set(26); @@ -188,12 +187,10 @@ void St7789::Sleep() { SleepIn(); nrf_gpio_cfg_default(pinDataCommand); nrf_gpio_cfg_default(26); - spi.Sleep(); NRF_LOG_INFO("[LCD] Sleep"); } void St7789::Wakeup() { - spi.Wakeup(); nrf_gpio_cfg_output(pinDataCommand); SleepOut(); VerticalScrollStartAddress(verticalScrollingStartAddress); |