From 39460931d8e3d044f00f7a4f58b44b1035338f09 Mon Sep 17 00:00:00 2001 From: jacqueline Date: Mon, 3 Jun 2024 21:02:24 +1000 Subject: Remove spi locking hack + increase max sd frequency These two changes (mostly the former) dramatically increase responsiveness when doing database updates; previously we were suffering from some nasty priority inversion. afaict the underlying need to acquire_spi seems to be fixed? i.e. spi bus acquisition is working properly. fingers heavily heavily crossed. --- src/drivers/display.cpp | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/drivers/display.cpp') diff --git a/src/drivers/display.cpp b/src/drivers/display.cpp index b0a97b30..e28b6b47 100644 --- a/src/drivers/display.cpp +++ b/src/drivers/display.cpp @@ -296,6 +296,8 @@ void Display::SendTransaction(TransactionType type, void Display::OnLvglFlush(lv_disp_drv_t* disp_drv, const lv_area_t* area, lv_color_t* color_map) { + spi_device_acquire_bus(handle_, portMAX_DELAY); + // First we need to specify the rectangle of the display we're writing into. uint16_t data[2] = {0, 0}; @@ -314,6 +316,8 @@ void Display::OnLvglFlush(lv_disp_drv_t* disp_drv, SendCommandWithData(displays::ST77XX_RAMWR, reinterpret_cast(color_map), size * 2); + spi_device_release_bus(handle_); + if (!first_flush_finished_ && lv_disp_flush_is_last(disp_drv)) { first_flush_finished_ = true; SetDisplayOn(display_on_); -- cgit v1.2.3