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-- Reset --
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-----------
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procedure Reset (This : aliased in out DMA_Controller) is
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begin
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if This'Address = STM32_SVD.DMA1_Base then
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RCC_Periph.AHB1RSTR.DMA1RST := True;
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RCC_Periph.AHB1RSTR.DMA1RST := False;
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elsif This'Address = STM32_SVD.DMA2_Base then
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RCC_Periph.AHB1RSTR.DMA2RST := True;
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RCC_Periph.AHB1RSTR.DMA2RST := False;
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else
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raise Unknown_Device;
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end if;
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end Reset;
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----------------
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-- As_Port_Id --
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----------------
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function As_Port_Id (Port : I2C_Port'Class) return I2C_Port_Id is
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begin
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if Port.Periph.all'Address = I2C1_Base then
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return I2C_Id_1;
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elsif Port.Periph.all'Address = I2C2_Base then
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return I2C_Id_2;
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elsif Port.Periph.all'Address = I2C3_Base then
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return I2C_Id_3;
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else
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raise Unknown_Device;
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end if;
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end As_Port_Id;
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------------------
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-- Enable_Clock --
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------------------
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procedure Enable_Clock (This : aliased I2C_Port'Class) is
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begin
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Enable_Clock (As_Port_Id (This));
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end Enable_Clock;
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------------------
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-- Enable_Clock --
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------------------
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procedure Enable_Clock (This : I2C_Port_Id) is
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begin
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case This is
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when I2C_Id_1 =>
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RCC_Periph.APB1ENR.I2C1EN := True;
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when I2C_Id_2 =>
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RCC_Periph.APB1ENR.I2C2EN := True;
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when I2C_Id_3 =>
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RCC_Periph.APB1ENR.I2C3EN := True;
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end case;
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end Enable_Clock;
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-----------
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-- Reset --
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-----------
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procedure Reset (This : I2C_Port'Class) is
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begin
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Reset (As_Port_Id (This));
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end Reset;
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-----------
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-- Reset --
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-----------
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procedure Reset (This : I2C_Port_Id) is
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begin
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case This is
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when I2C_Id_1 =>
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RCC_Periph.APB1RSTR.I2C1RST := True;
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RCC_Periph.APB1RSTR.I2C1RST := False;
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when I2C_Id_2 =>
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RCC_Periph.APB1RSTR.I2C2RST := True;
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RCC_Periph.APB1RSTR.I2C2RST := False;
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when I2C_Id_3 =>
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RCC_Periph.APB1RSTR.I2C3RST := True;
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RCC_Periph.APB1RSTR.I2C3RST := False;
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end case;
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end Reset;
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------------------
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-- Enable_Clock --
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------------------
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procedure Enable_Clock (This : SPI_Port'Class) is
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begin
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if This.Periph.all'Address = SPI1_Base then
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RCC_Periph.APB2ENR.SPI1EN := True;
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elsif This.Periph.all'Address = SPI2_Base then
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RCC_Periph.APB1ENR.SPI2EN := True;
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elsif This.Periph.all'Address = SPI3_Base then
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RCC_Periph.APB1ENR.SPI3EN := True;
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else
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raise Unknown_Device;
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