void Timer_t::InitPwm(GPIO_TypeDef *GPIO, uint16_t N, uint8_t Chnl, uint32_t ATopValue, Inverted_t Inverted, PinOutMode_t OutputType) {
// GPIO
#if defined STM32L1XX
if (ITmr == TIM2) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF1);
else if(ANY_OF_2(ITmr, TIM3, TIM4)) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF2);
else if(ANY_OF_3(ITmr, TIM9, TIM10, TIM11)) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF3);
#elif defined STM32F0XX
if (ITmr == TIM1) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF2);
else if(ITmr == TIM3) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF1);
else if(ITmr == TIM14) {
if(GPIO == GPIOA) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF4);
else PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF0);
}
#ifdef TIM15
else if(ITmr == TIM15) {
if(GPIO == GPIOA) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF0);
else PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF1);
}
#endif
else if(ITmr == TIM16 or ITmr == TIM17) {
if(GPIO == GPIOA) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF5);
else PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF2);
}
#elif defined STM32F2XX || defined STM32F4XX
if(ANY_OF_2(ITmr, TIM1, TIM2)) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF1);
else if(ANY_OF_3(ITmr, TIM3, TIM4, TIM5)) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF2);
else if(ANY_OF_4(ITmr, TIM8, TIM9, TIM10, TIM11)) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF3);
else if(ANY_OF_3(ITmr, TIM12, TIM13, TIM14)) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF9);
#elif defined STM32F100_MCUCONF
PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF0); // Alternate function is dummy
// ITmr->BDTR = 0xC000; // Main output Enable
#endif
#if !defined STM32L151xB
ITmr->BDTR = 0xC000; // Main output Enable
#endif
ITmr->ARR = ATopValue;
// Output
uint16_t tmp = (Inverted == invInverted)? 0b111 : 0b110; // PWM mode 1 or 2
switch(Chnl) {
case 1:
ITmr->CCMR1 |= (tmp << 4);
ITmr->CCER |= TIM_CCER_CC1E;
break;
case 2:
ITmr->CCMR1 |= (tmp << 12);
ITmr->CCER |= TIM_CCER_CC2E;
break;
case 3:
ITmr->CCMR2 |= (tmp << 4);
ITmr->CCER |= TIM_CCER_CC3E;
break;
case 4:
ITmr->CCMR2 |= (tmp << 12);
ITmr->CCER |= TIM_CCER_CC4E;
break;
default: break;
}
}
void Timer_t::InitPwm(GPIO_TypeDef *GPIO, uint16_t N, uint8_t Chnl, uint32_t ATopValue, Inverted_t Inverted, PinOutMode_t OutputType) {
// GPIO
if (ITmr == TIM2) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF1);
else if(ANY_OF_2(ITmr, TIM3, TIM4)) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF2);
else if(ANY_OF_3(ITmr, TIM9, TIM10, TIM11)) PinSetupAlterFunc(GPIO, N, OutputType, pudNone, AF3);
ITmr->ARR = ATopValue;
// Output
uint16_t tmp = (Inverted == invInverted)? 0b111 : 0b110; // PWM mode 1 or 2
switch(Chnl) {
case 1:
ITmr->CCMR1 |= (tmp << 4);
ITmr->CCER |= TIM_CCER_CC1E;
break;
case 2:
ITmr->CCMR1 |= (tmp << 12);
ITmr->CCER |= TIM_CCER_CC2E;
break;
case 3:
ITmr->CCMR2 |= (tmp << 4);
ITmr->CCER |= TIM_CCER_CC3E;
break;
case 4:
ITmr->CCMR2 |= (tmp << 12);
ITmr->CCER |= TIM_CCER_CC4E;
break;
default: break;
}
}
void Timer_t::InitPwm(GPIO_TypeDef *GPIO, uint16_t N, uint8_t Chnl, Inverted_t Inverted, const PinSpeed_t ASpeed) {
// GPIO
if (ITmr == TIM2) PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF1, ASpeed);
else if(ANY_OF_2(ITmr, TIM3, TIM4)) PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF2, ASpeed);
else if(ANY_OF_3(ITmr, TIM9, TIM10, TIM11)) PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF3, ASpeed);
// Output
uint16_t tmp = (Inverted == invInverted)? 0b111 : 0b110; // PWM mode 1 or 2
switch(Chnl) {
case 1:
PCCR = &ITmr->CCR1;
ITmr->CCMR1 |= (tmp << 4);
ITmr->CCER |= TIM_CCER_CC1E;
break;
case 2:
PCCR = &ITmr->CCR2;
ITmr->CCMR1 |= (tmp << 12);
ITmr->CCER |= TIM_CCER_CC2E;
break;
case 3:
PCCR = &ITmr->CCR3;
ITmr->CCMR2 |= (tmp << 4);
ITmr->CCER |= TIM_CCER_CC3E;
break;
case 4:
PCCR = &ITmr->CCR4;
ITmr->CCMR2 |= (tmp << 12);
ITmr->CCER |= TIM_CCER_CC4E;
break;
default: break;
}
}
void Timer_t::SetUpdateFrequency(uint32_t FreqHz) {
#if defined STM32F2XX || defined STM32F4XX
if(ANY_OF_5(ITmr, TIM1, TIM8, TIM9, TIM10, TIM11)) // APB2 is clock src
SetTopValue((*PClk * Clk.TimerAPB2ClkMulti) / FreqHz);
else // APB1 is clock src
SetTopValue((*PClk * Clk.TimerAPB1ClkMulti) / FreqHz);
#elif defined STM32L1XX
uint32_t TopVal;
if(ANY_OF_3(ITmr, TIM9, TIM10, TIM11)) // APB2 is clock src
TopVal = ((*PClk * Clk.Timer9_11ClkMulti) / FreqHz) - 1;
else TopVal = ((*PClk * Clk.Timer2_7ClkMulti) / FreqHz) - 1;
// Uart.Printf("Topval = %u\r", TopVal);
SetTopValue(TopVal);
#else
// uint32_t UpdFreqMax = *PClk / (ITmr->ARR + 1);
#endif
ITmr->CNT = 0; // Reset counter to start from scratch
//#if defined STM32F2XX || defined STM32F4XX
// uint32_t UpdFreqMax;
// if(ANY_OF_5(ITmr, TIM1, TIM8, TIM9, TIM10, TIM11)) // APB2 is clock src
// UpdFreqMax = (*PClk) * Clk.TimerAPB2ClkMulti / (ITmr->ARR + 1);
// else // APB1 is clock src
// UpdFreqMax = (*PClk) * Clk.TimerAPB1ClkMulti / (ITmr->ARR + 1);
//#else
// uint32_t UpdFreqMax = *PClk / (ITmr->ARR + 1);
//#endif
// uint32_t div = UpdFreqMax / FreqHz;
// if(div != 0) div--;
// ITmr->PSC = div;
// Uart.Printf("\r FMax=%u; div=%u", UpdFreqMax, div);
}
void Timer_t::Init() {
#if defined STM32L1XX
if(ANY_OF_3(ITmr, TIM9, TIM10, TIM11)) PClk = &Clk.APB2FreqHz;
else PClk = &Clk.APB1FreqHz;
if (ITmr == TIM2) { rccEnableTIM2(FALSE); }
else if(ITmr == TIM3) { rccEnableTIM3(FALSE); }
else if(ITmr == TIM4) { rccEnableTIM4(FALSE); }
else if(ITmr == TIM6) { rccEnableAPB1(RCC_APB1ENR_TIM6EN, FALSE); }
else if(ITmr == TIM7) { rccEnableAPB1(RCC_APB1ENR_TIM7EN, FALSE); }
else if(ITmr == TIM9) { rccEnableAPB2(RCC_APB2ENR_TIM9EN, FALSE); }
else if(ITmr == TIM10) { rccEnableAPB2(RCC_APB2ENR_TIM10EN, FALSE); }
else if(ITmr == TIM11) { rccEnableAPB2(RCC_APB2ENR_TIM11EN, FALSE); }
#elif defined STM32F0XX
if (ITmr == TIM1) { rccEnableTIM1(FALSE); }
else if(ITmr == TIM2) { rccEnableTIM2(FALSE); }
else if(ITmr == TIM3) { rccEnableTIM3(FALSE); }
#ifdef TIM6
else if(ITmr == TIM6) { rccEnableAPB1(RCC_APB1ENR_TIM6EN, FALSE); }
#endif
else if(ITmr == TIM14) { RCC->APB1ENR |= RCC_APB1ENR_TIM14EN; }
#ifdef TIM15
else if(ITmr == TIM15) { RCC->APB2ENR |= RCC_APB2ENR_TIM15EN; }
#endif
else if(ITmr == TIM16) { RCC->APB2ENR |= RCC_APB2ENR_TIM16EN; }
else if(ITmr == TIM17) { RCC->APB2ENR |= RCC_APB2ENR_TIM17EN; }
// Clock src
PClk = &Clk.APBFreqHz;
#elif defined STM32F2XX || defined STM32F4XX
if(ANY_OF_5(ITmr, TIM1, TIM8, TIM9, TIM10, TIM11)) PClk = &Clk.APB2FreqHz;
else PClk = &Clk.APB1FreqHz;
if (ITmr == TIM1) { rccEnableTIM1(FALSE); }
else if(ITmr == TIM2) { rccEnableTIM2(FALSE); }
else if(ITmr == TIM3) { rccEnableTIM3(FALSE); }
else if(ITmr == TIM4) { rccEnableTIM4(FALSE); }
else if(ITmr == TIM5) { rccEnableTIM5(FALSE); }
else if(ITmr == TIM6) { rccEnableTIM6(FALSE); }
else if(ITmr == TIM7) { rccEnableTIM7(FALSE); }
else if(ITmr == TIM8) { rccEnableTIM8(FALSE); }
else if(ITmr == TIM9) { rccEnableTIM9(FALSE); }
else if(ITmr == TIM10) { RCC->APB2ENR |= RCC_APB2ENR_TIM10EN; }
else if(ITmr == TIM11) { rccEnableTIM11(FALSE); }
else if(ITmr == TIM12) { rccEnableTIM12(FALSE); }
else if(ITmr == TIM13) { RCC->APB1ENR |= RCC_APB1ENR_TIM13EN; }
else if(ITmr == TIM14) { rccEnableTIM14(FALSE); }
#elif defined STM32F10X_LD_VL
if(ANY_OF_4(ITmr, TIM1, TIM15, TIM16, TIM17)) PClk = &Clk.APB2FreqHz;
else PClk = &Clk.APB1FreqHz;
if (ITmr == TIM1) { rccEnableTIM1(FALSE); }
else if(ITmr == TIM2) { rccEnableTIM2(FALSE); }
else if(ITmr == TIM3) { rccEnableTIM3(FALSE); }
else if(ITmr == TIM15) { RCC->APB2ENR |= RCC_APB2ENR_TIM15EN; }
else if(ITmr == TIM16) { RCC->APB2ENR |= RCC_APB2ENR_TIM16EN; }
else if(ITmr == TIM17) { RCC->APB2ENR |= RCC_APB2ENR_TIM17EN; }
#endif
}
void Timer_t::Init() {
if(ANY_OF_3(ITmr, TIM9, TIM10, TIM11)) PClk = &Clk.APB2FreqHz;
else PClk = &Clk.APB1FreqHz;
if (ITmr == TIM2) { rccEnableTIM2(FALSE); }
else if(ITmr == TIM3) { rccEnableTIM3(FALSE); }
else if(ITmr == TIM4) { rccEnableTIM4(FALSE); }
else if(ITmr == TIM6) { rccEnableAPB1(RCC_APB1ENR_TIM6EN, FALSE); }
else if(ITmr == TIM7) { rccEnableAPB1(RCC_APB1ENR_TIM7EN, FALSE); }
else if(ITmr == TIM9) { rccEnableAPB2(RCC_APB2ENR_TIM9EN, FALSE); }
else if(ITmr == TIM10) { rccEnableAPB2(RCC_APB2ENR_TIM10EN, FALSE); }
else if(ITmr == TIM11) { rccEnableAPB2(RCC_APB2ENR_TIM11EN, FALSE); }
}
void Timer_t::PwmInit(GPIO_TypeDef *GPIO, uint16_t N, uint8_t Chnl, Inverted_t Inverted) {
// GPIO
if (ANY_OF_2(ITmr, TIM1, TIM2)) PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF1);
else if(ANY_OF_3(ITmr, TIM3, TIM4, TIM5)) PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF2);
else if(ANY_OF_4(ITmr, TIM8, TIM9, TIM10, TIM11)) PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF3);
else if(ANY_OF_3(ITmr, TIM12, TIM13, TIM14)) PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF9);
// Enable outputs for advanced timers
ITmr->BDTR = TIM_BDTR_MOE | TIM_BDTR_AOE;
// Output
uint16_t tmp = (Inverted == invInverted)? 0b111 : 0b110; // PWM mode 1 or 2
switch(Chnl) {
case 1:
PCCR = &ITmr->CCR1;
ITmr->CCMR1 |= (tmp << 4);
ITmr->CCER |= TIM_CCER_CC1E;
break;
case 2:
PCCR = &ITmr->CCR2;
ITmr->CCMR1 |= (tmp << 12);
ITmr->CCER |= TIM_CCER_CC2E;
break;
case 3:
PCCR = &ITmr->CCR3;
ITmr->CCMR2 |= (tmp << 4);
ITmr->CCER |= TIM_CCER_CC3E;
break;
case 4:
PCCR = &ITmr->CCR4;
ITmr->CCMR2 |= (tmp << 12);
ITmr->CCER |= TIM_CCER_CC4E;
break;
default: break;
}
}
void Timer_t::Init(TIM_TypeDef* Tmr) {
ITmr = Tmr;
if (ITmr == TIM2) { rccEnableTIM2(FALSE); }
else if(ITmr == TIM3) { rccEnableTIM3(FALSE); }
else if(ITmr == TIM4) { rccEnableTIM4(FALSE); }
else if(ITmr == TIM6) { rccEnableAPB1(RCC_APB1ENR_TIM6EN, FALSE); }
else if(ITmr == TIM7) { rccEnableAPB1(RCC_APB1ENR_TIM7EN, FALSE); }
else if(ITmr == TIM9) { rccEnableAPB2(RCC_APB2ENR_TIM9EN, FALSE); }
else if(ITmr == TIM10) { rccEnableAPB2(RCC_APB2ENR_TIM10EN, FALSE); }
else if(ITmr == TIM11) { rccEnableAPB2(RCC_APB2ENR_TIM11EN, FALSE); }
// Clock src
if(ANY_OF_3(ITmr, TIM9, TIM10, TIM11)) PClk = &Clk.APB2FreqHz;
else PClk = &Clk.APB1FreqHz;
}
void PwmPin_t::Init(GPIO_TypeDef *GPIO, uint16_t N, TIM_TypeDef* PTim, uint8_t Chnl, uint16_t TopValue, bool Inverted) {
Tim = PTim;
if(Tim == TIM2) {
rccEnableTIM2(FALSE);
PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF1);
}
else if(Tim == TIM3) {
rccEnableTIM3(FALSE);
PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF2);
}
else if(Tim == TIM4) {
rccEnableTIM4(FALSE);
PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF2);
}
else if(Tim == TIM9) {
rccEnableTIM9(FALSE);
PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF3);
}
else if(Tim == TIM10) {
rccEnableAPB2(RCC_APB2ENR_TIM10EN, FALSE);
PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF3);
}
else if(Tim == TIM11) {
rccEnableAPB2(RCC_APB2ENR_TIM11EN, FALSE);
PinSetupAlterFunc(GPIO, N, omPushPull, pudNone, AF3);
}
// Clock src
if(ANY_OF_3(Tim, TIM2, TIM3, TIM4)) PClk = &Clk.APB1FreqHz;
else PClk = &Clk.APB2FreqHz;
// Common
Tim->CR1 = TIM_CR1_CEN; // Enable timer, set clk division to 0, AutoReload not buffered
Tim->CR2 = 0;
Tim->ARR = TopValue;
// Output
uint16_t tmp = Inverted? 0b111 : 0b110; // PWM mode 1 or 2
switch(Chnl) {
case 1:
PCCR = &Tim->CCR1;
Tim->CCMR1 |= (tmp << 4);
Tim->CCER |= TIM_CCER_CC1E;
break;
case 2:
PCCR = &Tim->CCR2;
Tim->CCMR1 |= (tmp << 12);
Tim->CCER |= TIM_CCER_CC2E;
break;
case 3:
PCCR = &Tim->CCR3;
Tim->CCMR2 |= (tmp << 4);
Tim->CCER |= TIM_CCER_CC3E;
break;
case 4:
PCCR = &Tim->CCR4;
Tim->CCMR2 |= (tmp << 12);
Tim->CCER |= TIM_CCER_CC4E;
break;
default: break;
}
*PCCR = 0;
}
