text stringlengths 0 234 |
|---|
UInt16 (Reg_Addr), |
Memory_Size_8b, |
Data, |
Status); |
if Status /= Ok then |
raise Program_Error with "Timeout while reading TC data"; |
end if; |
return Data (1); |
end Read_Register; |
-------------------- |
-- Write_Register -- |
-------------------- |
procedure Write_Register (This : in out STMPE811_Device; |
Reg_Addr : UInt8; |
Data : UInt8) is |
Status : I2C_Status; |
begin |
This.Port.Mem_Write (This.I2C_Addr, |
UInt16 (Reg_Addr), |
Memory_Size_8b, |
(1 => Data), |
Status); |
if Status /= Ok then |
raise Program_Error with "Timeout while reading TC data"; |
end if; |
end Write_Register; |
--------------- |
-- IOE_Reset -- |
--------------- |
procedure IOE_Reset (This : in out STMPE811_Device) is |
begin |
This.Write_Register (IOE_REG_SYS_CTRL1, 16#02#); |
-- Give some time for the reset |
This.Time.Delay_Milliseconds (2); |
This.Write_Register (IOE_REG_SYS_CTRL1, 16#00#); |
end IOE_Reset; |
-------------------------- |
-- IOE_Function_Command -- |
-------------------------- |
procedure IOE_Function_Command (This : in out STMPE811_Device; |
Func : UInt8; |
Enabled : Boolean) |
is |
Reg : UInt8 := This.Read_Register (IOE_REG_SYS_CTRL2); |
begin |
-- CTRL2 functions are disabled when corresponding bit is set |
if Enabled then |
Reg := Reg and (not Func); |
else |
Reg := Reg or Func; |
end if; |
This.Write_Register (IOE_REG_SYS_CTRL2, Reg); |
end IOE_Function_Command; |
------------------- |
-- IOE_AF_Config -- |
------------------- |
procedure IOE_AF_Config (This : in out STMPE811_Device; |
Pin : UInt8; |
Enabled : Boolean) is |
Reg : UInt8 := This.Read_Register (IOE_REG_GPIO_AF); |
begin |
if Enabled then |
Reg := Reg or Pin; |
else |
Reg := Reg and (not Pin); |
end if; |
This.Write_Register (IOE_REG_GPIO_AF, Reg); |
end IOE_AF_Config; |
---------------- |
-- Get_IOE_ID -- |
---------------- |
function Get_IOE_ID (This : in out STMPE811_Device) return UInt16 is |
begin |
return (UInt16 (This.Read_Register (0)) * (2**8)) |
or UInt16 (This.Read_Register (1)); |
end Get_IOE_ID; |
---------------- |
-- Initialize -- |
---------------- |
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