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thechaingamer
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ada-git-code

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function Keypad_Indev return Lv.Hal.Indev.Indev_T
is (LV_Indev_Keypad);
------------------
-- Read_Pointer --
------------------
function Read_Pointer (Data : access Indev_Data_T) return U_Bool is
begin
Pointer.State := Lv.Hal.Indev.State_Rel;
for Elt of BB_Pico_Bsp.Touch.Get_All_Touch_Points loop
if Elt.Weight /= 0 then
Pointer.Union.Point.X := Integer_16 (Elt.X);
Pointer.Union.Point.Y := Integer_16 (Elt.Y);
Pointer.State := Lv.Hal.Indev.State_Pr;
end if;
end loop;
Data.all := Pointer;
return 0;
end Read_Pointer;
-----------------
-- Read_Keypad --
-----------------
function Read_Keypad (Data : access Indev_Data_T) return U_Bool is
use BBQ10KBD;
State : Key_State;
begin
loop
State := BB_Pico_Bsp.Keyboard.Key_FIFO_Pop;
case State.Kind is
when Error =>
return 0; -- No more events
when Held_Pressed =>
null; -- LVGL doesn't have a held pressed event
when others =>
declare
Pressed : constant Boolean := State.Kind = BBQ10KBD.Pressed;
begin
case State.Code is
when Keyboard.KEY_JOY_UP =>
Data.Union.Key := Lv.LV_KEY_UP;
when Keyboard.KEY_JOY_DOWN =>
Data.Union.Key := Lv.LV_KEY_DOWN;
when Keyboard.KEY_JOY_LEFT =>
Data.Union.Key := Lv.LV_KEY_LEFT;
when Keyboard.KEY_JOY_RIGHT =>
Data.Union.Key := Lv.LV_KEY_RIGHT;
when Keyboard.KEY_JOY_CENTER =>
Data.Union.Key := Lv.LV_KEY_ENTER;
when Keyboard.KEY_BTN_LEFT1 =>
Data.Union.Key := Lv.LV_KEY_PREV;
when Keyboard.KEY_BTN_LEFT2 =>
Data.Union.Key := Lv.LV_KEY_HOME;
when Keyboard.KEY_BTN_RIGHT1 =>
Data.Union.Key := Lv.LV_KEY_BACKSPACE;
when Keyboard.KEY_BTN_RIGHT2 =>
Data.Union.Key := Lv.LV_KEY_NEXT;
when others =>
Data.Union.Key := Unsigned_32 (State.Code);
end case;
Data.State := (if Pressed
then Lv.Hal.Indev.State_Pr
else Lv.Hal.Indev.State_Rel);
return 1;
Function Definition: function Read_Register (This : STMPE811_Device;
Function Body: Reg_Addr : UInt8)
return UInt8
is
Data : TSC_Data (1 .. 1);
Status : SPI_Status;
begin
This.Chip_Select.Clear;
This.Port.Transmit (SPI_Data_8b'(16#80# or Reg_Addr, 0), Status);
if Status /= Ok then
raise Program_Error with "Timeout while reading TC data";
end if;
This.Port.Receive (Data, Status);
if Status /= Ok then
raise Program_Error with "Timeout while reading TC data";
end if;
This.Chip_Select.Set;
return Data (Data'First);
end Read_Register;
--------------------