stm32: add pwm for f4 series

This commit is contained in:
Kenneth Bell
2021-05-06 20:45:11 -07:00
committed by Ron Evans
parent 422ebeeec7
commit ee167f15de
7 changed files with 689 additions and 3 deletions
+320 -2
View File
@@ -6,6 +6,8 @@ package machine
import (
"device/stm32"
"runtime/interrupt"
"runtime/volatile"
"unsafe"
)
@@ -95,8 +97,56 @@ const (
PE14 = portE + 14
PE15 = portE + 15
PH0 = portH + 0
PH1 = portH + 1
PF0 = portF + 0
PF1 = portF + 1
PF2 = portF + 2
PF3 = portF + 3
PF4 = portF + 4
PF5 = portF + 5
PF6 = portF + 6
PF7 = portF + 7
PF8 = portF + 8
PF9 = portF + 9
PF10 = portF + 10
PF11 = portF + 11
PF12 = portF + 12
PF13 = portF + 13
PF14 = portF + 14
PF15 = portF + 15
PH0 = portH + 0
PH1 = portH + 1
PH2 = portH + 2
PH3 = portH + 3
PH4 = portH + 4
PH5 = portH + 5
PH6 = portH + 6
PH7 = portH + 7
PH8 = portH + 8
PH9 = portH + 9
PH10 = portH + 10
PH11 = portH + 11
PH12 = portH + 12
PH13 = portH + 13
PH14 = portH + 14
PH15 = portH + 15
PI0 = portI + 0
PI1 = portI + 1
PI2 = portI + 2
PI3 = portI + 3
PI4 = portI + 4
PI5 = portI + 5
PI6 = portI + 6
PI7 = portI + 7
PI8 = portI + 8
PI9 = portI + 9
PI10 = portI + 10
PI11 = portI + 11
PI12 = portI + 12
PI13 = portI + 13
PI14 = portI + 14
PI15 = portI + 15
)
func (p Pin) getPort() *stm32.GPIO_Type {
@@ -227,3 +277,271 @@ func enableAltFuncClock(bus unsafe.Pointer) {
stm32.RCC.APB2ENR.SetBits(stm32.RCC_APB2ENR_TIM1EN)
}
}
//---------- Timer related code
var (
TIM1 = TIM{
EnableRegister: &stm32.RCC.APB2ENR,
EnableFlag: stm32.RCC_APB2ENR_TIM1EN,
Device: stm32.TIM1,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PA8, AF1_TIM1_2}, {PE9, AF1_TIM1_2}}},
TimerChannel{Pins: []PinFunction{{PA9, AF1_TIM1_2}, {PE11, AF1_TIM1_2}}},
TimerChannel{Pins: []PinFunction{{PA10, AF1_TIM1_2}, {PE13, AF1_TIM1_2}}},
TimerChannel{Pins: []PinFunction{{PA11, AF1_TIM1_2}, {PE14, AF1_TIM1_2}}},
},
busFreq: APB2_TIM_FREQ,
}
TIM2 = TIM{
EnableRegister: &stm32.RCC.APB1ENR,
EnableFlag: stm32.RCC_APB1ENR_TIM2EN,
Device: stm32.TIM2,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PA0, AF1_TIM1_2}, {PA5, AF1_TIM1_2}, {PA15, AF1_TIM1_2}}},
TimerChannel{Pins: []PinFunction{{PA1, AF1_TIM1_2}, {PB3, AF1_TIM1_2}}},
TimerChannel{Pins: []PinFunction{{PA2, AF1_TIM1_2}, {PB10, AF1_TIM1_2}}},
TimerChannel{Pins: []PinFunction{{PA3, AF1_TIM1_2}, {PB11, AF1_TIM1_2}}},
},
busFreq: APB1_TIM_FREQ,
}
TIM3 = TIM{
EnableRegister: &stm32.RCC.APB1ENR,
EnableFlag: stm32.RCC_APB1ENR_TIM3EN,
Device: stm32.TIM3,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PA6, AF2_TIM3_4_5}, {PB4, AF2_TIM3_4_5}, {PC6, AF2_TIM3_4_5}}},
TimerChannel{Pins: []PinFunction{{PA7, AF2_TIM3_4_5}, {PB5, AF2_TIM3_4_5}, {PC7, AF2_TIM3_4_5}}},
TimerChannel{Pins: []PinFunction{{PB0, AF2_TIM3_4_5}, {PC8, AF2_TIM3_4_5}}},
TimerChannel{Pins: []PinFunction{{PB1, AF2_TIM3_4_5}, {PC9, AF2_TIM3_4_5}}},
},
busFreq: APB1_TIM_FREQ,
}
TIM4 = TIM{
EnableRegister: &stm32.RCC.APB1ENR,
EnableFlag: stm32.RCC_APB1ENR_TIM4EN,
Device: stm32.TIM4,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PB6, AF2_TIM3_4_5}, {PD12, AF2_TIM3_4_5}}},
TimerChannel{Pins: []PinFunction{{PB7, AF2_TIM3_4_5}, {PD13, AF2_TIM3_4_5}}},
TimerChannel{Pins: []PinFunction{{PB8, AF2_TIM3_4_5}, {PD14, AF2_TIM3_4_5}}},
TimerChannel{Pins: []PinFunction{{PB9, AF2_TIM3_4_5}, {PD15, AF2_TIM3_4_5}}},
},
busFreq: APB1_TIM_FREQ,
}
TIM5 = TIM{
EnableRegister: &stm32.RCC.APB1ENR,
EnableFlag: stm32.RCC_APB1ENR_TIM5EN,
Device: stm32.TIM5,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PH10, AF2_TIM3_4_5}}},
TimerChannel{Pins: []PinFunction{{PH11, AF2_TIM3_4_5}}},
TimerChannel{Pins: []PinFunction{{PH12, AF2_TIM3_4_5}}},
TimerChannel{Pins: []PinFunction{{PI0, AF2_TIM3_4_5}}},
},
busFreq: APB1_TIM_FREQ,
}
TIM6 = TIM{
EnableRegister: &stm32.RCC.APB1ENR,
EnableFlag: stm32.RCC_APB1ENR_TIM6EN,
Device: stm32.TIM6,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
},
busFreq: APB1_TIM_FREQ,
}
TIM7 = TIM{
EnableRegister: &stm32.RCC.APB1ENR,
EnableFlag: stm32.RCC_APB1ENR_TIM7EN,
Device: stm32.TIM7,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
},
busFreq: APB1_TIM_FREQ,
}
TIM8 = TIM{
EnableRegister: &stm32.RCC.APB2ENR,
EnableFlag: stm32.RCC_APB2ENR_TIM8EN,
Device: stm32.TIM8,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PC6, AF3_TIM8_9_10_11}, {PI5, AF3_TIM8_9_10_11}}},
TimerChannel{Pins: []PinFunction{{PC7, AF3_TIM8_9_10_11}, {PI6, AF3_TIM8_9_10_11}}},
TimerChannel{Pins: []PinFunction{{PC8, AF3_TIM8_9_10_11}, {PI7, AF3_TIM8_9_10_11}}},
TimerChannel{Pins: []PinFunction{{PC9, AF3_TIM8_9_10_11}, {PI2, AF3_TIM8_9_10_11}}},
},
busFreq: APB2_TIM_FREQ,
}
TIM9 = TIM{
EnableRegister: &stm32.RCC.APB2ENR,
EnableFlag: stm32.RCC_APB2ENR_TIM9EN,
Device: stm32.TIM9,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PA2, AF3_TIM8_9_10_11}, {PE5, AF3_TIM8_9_10_11}}},
TimerChannel{Pins: []PinFunction{{PA3, AF3_TIM8_9_10_11}, {PE6, AF3_TIM8_9_10_11}}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
},
busFreq: APB2_TIM_FREQ,
}
TIM10 = TIM{
EnableRegister: &stm32.RCC.APB2ENR,
EnableFlag: stm32.RCC_APB2ENR_TIM10EN,
Device: stm32.TIM10,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PB8, AF3_TIM8_9_10_11}, {PF6, AF3_TIM8_9_10_11}}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
},
busFreq: APB2_TIM_FREQ,
}
TIM11 = TIM{
EnableRegister: &stm32.RCC.APB2ENR,
EnableFlag: stm32.RCC_APB2ENR_TIM11EN,
Device: stm32.TIM11,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PB9, AF3_TIM8_9_10_11}, {PF7, AF3_TIM8_9_10_11}}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
},
busFreq: APB2_TIM_FREQ,
}
TIM12 = TIM{
EnableRegister: &stm32.RCC.APB1ENR,
EnableFlag: stm32.RCC_APB1ENR_TIM12EN,
Device: stm32.TIM12,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PB14, AF9_CAN1_CAN2_TIM12_13_14}, {PH6, AF9_CAN1_CAN2_TIM12_13_14}}},
TimerChannel{Pins: []PinFunction{{PB15, AF9_CAN1_CAN2_TIM12_13_14}, {PH9, AF9_CAN1_CAN2_TIM12_13_14}}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
},
busFreq: APB1_TIM_FREQ,
}
TIM13 = TIM{
EnableRegister: &stm32.RCC.APB1ENR,
EnableFlag: stm32.RCC_APB1ENR_TIM13EN,
Device: stm32.TIM13,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PA6, AF9_CAN1_CAN2_TIM12_13_14}, {PF8, AF9_CAN1_CAN2_TIM12_13_14}}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
},
busFreq: APB1_TIM_FREQ,
}
TIM14 = TIM{
EnableRegister: &stm32.RCC.APB1ENR,
EnableFlag: stm32.RCC_APB1ENR_TIM14EN,
Device: stm32.TIM14,
Channels: [4]TimerChannel{
TimerChannel{Pins: []PinFunction{{PA7, AF9_CAN1_CAN2_TIM12_13_14}, {PF9, AF9_CAN1_CAN2_TIM12_13_14}}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
TimerChannel{Pins: []PinFunction{}},
},
busFreq: APB1_TIM_FREQ,
}
)
func (t *TIM) registerUPInterrupt() interrupt.Interrupt {
switch t {
case &TIM1:
return interrupt.New(stm32.IRQ_TIM1_UP_TIM10, TIM1.handleUPInterrupt)
case &TIM2:
return interrupt.New(stm32.IRQ_TIM2, TIM2.handleUPInterrupt)
case &TIM3:
return interrupt.New(stm32.IRQ_TIM3, TIM3.handleUPInterrupt)
case &TIM4:
return interrupt.New(stm32.IRQ_TIM4, TIM4.handleUPInterrupt)
case &TIM5:
return interrupt.New(stm32.IRQ_TIM5, TIM5.handleUPInterrupt)
case &TIM6:
return interrupt.New(stm32.IRQ_TIM6_DAC, TIM6.handleUPInterrupt)
case &TIM7:
return interrupt.New(stm32.IRQ_TIM7, TIM7.handleUPInterrupt)
case &TIM8:
return interrupt.New(stm32.IRQ_TIM8_UP_TIM13, TIM8.handleUPInterrupt)
case &TIM9:
return interrupt.New(stm32.IRQ_TIM1_BRK_TIM9, TIM9.handleUPInterrupt)
case &TIM10:
return interrupt.New(stm32.IRQ_TIM1_UP_TIM10, TIM10.handleUPInterrupt)
case &TIM11:
return interrupt.New(stm32.IRQ_TIM1_TRG_COM_TIM11, TIM11.handleUPInterrupt)
case &TIM12:
return interrupt.New(stm32.IRQ_TIM8_BRK_TIM12, TIM12.handleUPInterrupt)
case &TIM13:
return interrupt.New(stm32.IRQ_TIM8_UP_TIM13, TIM13.handleUPInterrupt)
case &TIM14:
return interrupt.New(stm32.IRQ_TIM8_TRG_COM_TIM14, TIM14.handleUPInterrupt)
}
return interrupt.Interrupt{}
}
func (t *TIM) registerOCInterrupt() interrupt.Interrupt {
switch t {
case &TIM1:
return interrupt.New(stm32.IRQ_TIM1_CC, TIM1.handleOCInterrupt)
case &TIM2:
return interrupt.New(stm32.IRQ_TIM2, TIM2.handleOCInterrupt)
case &TIM3:
return interrupt.New(stm32.IRQ_TIM3, TIM3.handleOCInterrupt)
case &TIM4:
return interrupt.New(stm32.IRQ_TIM4, TIM4.handleOCInterrupt)
case &TIM5:
return interrupt.New(stm32.IRQ_TIM5, TIM5.handleOCInterrupt)
case &TIM6:
return interrupt.New(stm32.IRQ_TIM6_DAC, TIM6.handleOCInterrupt)
case &TIM7:
return interrupt.New(stm32.IRQ_TIM7, TIM7.handleOCInterrupt)
case &TIM8:
return interrupt.New(stm32.IRQ_TIM8_UP_TIM13, TIM8.handleOCInterrupt)
case &TIM9:
return interrupt.New(stm32.IRQ_TIM1_BRK_TIM9, TIM9.handleOCInterrupt)
case &TIM10:
return interrupt.New(stm32.IRQ_TIM1_UP_TIM10, TIM10.handleOCInterrupt)
case &TIM11:
return interrupt.New(stm32.IRQ_TIM1_TRG_COM_TIM11, TIM11.handleOCInterrupt)
case &TIM12:
return interrupt.New(stm32.IRQ_TIM8_BRK_TIM12, TIM12.handleOCInterrupt)
case &TIM13:
return interrupt.New(stm32.IRQ_TIM8_UP_TIM13, TIM13.handleOCInterrupt)
case &TIM14:
return interrupt.New(stm32.IRQ_TIM8_TRG_COM_TIM14, TIM14.handleOCInterrupt)
}
return interrupt.Interrupt{}
}
func (t *TIM) enableMainOutput() {
t.Device.BDTR.SetBits(stm32.TIM_BDTR_MOE)
}
type arrtype = uint32
type arrRegType = volatile.Register32
const (
ARR_MAX = 0x10000
PSC_MAX = 0x10000
)