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RCC_Periph.APB2RSTR.TIM10RST := True; |
RCC_Periph.APB2RSTR.TIM10RST := False; |
elsif This'Address = TIM11_Base then |
RCC_Periph.APB2RSTR.TIM11RST := True; |
RCC_Periph.APB2RSTR.TIM11RST := False; |
elsif This'Address = TIM12_Base then |
RCC_Periph.APB1RSTR.TIM12RST := True; |
RCC_Periph.APB1RSTR.TIM12RST := False; |
elsif This'Address = TIM13_Base then |
RCC_Periph.APB1RSTR.TIM13RST := True; |
RCC_Periph.APB1RSTR.TIM13RST := False; |
elsif This'Address = TIM14_Base then |
RCC_Periph.APB1RSTR.TIM14RST := True; |
RCC_Periph.APB1RSTR.TIM14RST := False; |
else |
raise Unknown_Device; |
end if; |
end Reset; |
------------------ |
-- Enable_Clock -- |
------------------ |
procedure Enable_Clock (This : in out SAI_Port) |
is |
begin |
if This'Address = SAI1_Base then |
RCC_Periph.APB2ENR.SAI1EN := True; |
elsif This'Address = SAI2_Base then |
RCC_Periph.APB2ENR.SAI2EN := True; |
else |
raise Unknown_Device; |
end if; |
end Enable_Clock; |
----------- |
-- Reset -- |
----------- |
procedure Reset (This : in out SAI_Port) |
is |
begin |
if This'Address = SAI1_Base then |
RCC_Periph.APB2RSTR.SAI1RST := True; |
RCC_Periph.APB2RSTR.SAI1RST := False; |
elsif This'Address = SAI2_Base then |
RCC_Periph.APB2RSTR.SAI2RST := True; |
RCC_Periph.APB2RSTR.SAI2RST := False; |
else |
raise Unknown_Device; |
end if; |
end Reset; |
--------------------- |
-- Get_Input_Clock -- |
--------------------- |
function Get_Input_Clock (Periph : SAI_Port) return UInt32 |
is |
Input_Selector : UInt2; |
VCO_Input : UInt32; |
SAI_First_Level : UInt32; |
begin |
if Periph'Address = SAI1_Base then |
Input_Selector := RCC_Periph.DKCFGR1.SAI1SEL; |
elsif Periph'Address = SAI2_Base then |
Input_Selector := RCC_Periph.DKCFGR1.SAI2SEL; |
else |
raise Unknown_Device; |
end if; |
-- This driver doesn't support external source clock |
if Input_Selector > 1 then |
raise Constraint_Error |
with "External PLL SAI source clock unsupported"; |
end if; |
if not RCC_Periph.PLLCFGR.PLLSRC then |
-- PLLSAI SRC is HSI |
VCO_Input := HSI_VALUE / UInt32 (RCC_Periph.PLLCFGR.PLLM); |
else |
-- PLLSAI SRC is HSE |
VCO_Input := HSE_VALUE / UInt32 (RCC_Periph.PLLCFGR.PLLM); |
end if; |
if Input_Selector = 0 then |
-- PLLSAI is the clock source |
-- VCO out = VCO in & PLLSAIN |
-- SAI firstlevel = VCO out / PLLSAIQ |
SAI_First_Level := |
VCO_Input * UInt32 (RCC_Periph.PLLSAICFGR.PLLSAIN) / |
UInt32 (RCC_Periph.PLLSAICFGR.PLLSAIQ); |
-- SAI frequency is SAI First level / PLLSAIDIVQ |
return SAI_First_Level / UInt32 (RCC_Periph.DKCFGR1.PLLSAIDIVQ); |
else |
-- PLLI2S as clock source |
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