diff options
Diffstat (limited to 'src/drivers/display.cpp')
| -rw-r--r-- | src/drivers/display.cpp | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/src/drivers/display.cpp b/src/drivers/display.cpp index c16fc148..5c686811 100644 --- a/src/drivers/display.cpp +++ b/src/drivers/display.cpp @@ -5,6 +5,7 @@ */ #include "display.hpp" +#include <stdint.h> #include <cmath> #include <cstdint> @@ -168,7 +169,11 @@ auto Display::Create(IGpios& expander, } Display::Display(IGpios& gpio, spi_device_handle_t handle) - : gpio_(gpio), handle_(handle), display_on_(false), brightness_(0) {} + : gpio_(gpio), + handle_(handle), + first_flush_finished_(false), + display_on_(false), + brightness_(0) {} Display::~Display() { ledc_fade_func_uninstall(); @@ -176,14 +181,28 @@ Display::~Display() { auto Display::SetDisplayOn(bool enabled) -> void { display_on_ = enabled; + if (!first_flush_finished_) { + return; + } + + if (display_on_) { + SendCommandWithData(displays::ST77XX_DISPON, nullptr, 0); + vTaskDelay(pdMS_TO_TICKS(100)); + } + int new_duty = display_on_ ? brightness_ : 0; SetDutyCycle(new_duty, true); + + if (!display_on_) { + vTaskDelay(pdMS_TO_TICKS(100)); + SendCommandWithData(displays::ST77XX_DISPOFF, nullptr, 0); + } } auto Display::SetBrightness(uint_fast8_t percent) -> void { brightness_ = std::pow(static_cast<double>(percent) / 100.0, 2.8) * 1024.0 + 0.5; - if (display_on_) { + if (first_flush_finished_ && display_on_) { SetDutyCycle(brightness_, false); } } @@ -295,6 +314,11 @@ void Display::OnLvglFlush(lv_disp_drv_t* disp_drv, SendCommandWithData(displays::ST77XX_RAMWR, reinterpret_cast<uint8_t*>(color_map), size * 2); + if (!first_flush_finished_ && lv_disp_flush_is_last(disp_drv)) { + first_flush_finished_ = true; + SetDisplayOn(display_on_); + } + lv_disp_flush_ready(&driver_); } |