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|
pub mod simple_pwm;
#[cfg(feature = "unstable-pac")]
pub mod low_level {
pub use super::sealed::*;
}
#[derive(Clone, Copy)]
pub enum Channel {
Ch1,
Ch2,
Ch3,
Ch4,
}
impl Channel {
pub fn raw(&self) -> usize {
match self {
Channel::Ch1 => 0,
Channel::Ch2 => 1,
Channel::Ch3 => 2,
Channel::Ch4 => 3,
}
}
}
#[derive(Clone, Copy)]
pub enum OutputCompareMode {
Frozen,
ActiveOnMatch,
InactiveOnMatch,
Toggle,
ForceInactive,
ForceActive,
PwmMode1,
PwmMode2,
}
impl From<OutputCompareMode> for stm32_metapac::timer::vals::Ocm {
fn from(mode: OutputCompareMode) -> Self {
match mode {
OutputCompareMode::Frozen => stm32_metapac::timer::vals::Ocm::FROZEN,
OutputCompareMode::ActiveOnMatch => stm32_metapac::timer::vals::Ocm::ACTIVEONMATCH,
OutputCompareMode::InactiveOnMatch => stm32_metapac::timer::vals::Ocm::INACTIVEONMATCH,
OutputCompareMode::Toggle => stm32_metapac::timer::vals::Ocm::TOGGLE,
OutputCompareMode::ForceInactive => stm32_metapac::timer::vals::Ocm::FORCEINACTIVE,
OutputCompareMode::ForceActive => stm32_metapac::timer::vals::Ocm::FORCEACTIVE,
OutputCompareMode::PwmMode1 => stm32_metapac::timer::vals::Ocm::PWMMODE1,
OutputCompareMode::PwmMode2 => stm32_metapac::timer::vals::Ocm::PWMMODE2,
}
}
}
pub(crate) mod sealed {
use super::*;
pub trait CaptureCompare16bitInstance: crate::timer::sealed::Basic16bitInstance {
unsafe fn set_output_compare_mode(&mut self, channel: Channel, mode: OutputCompareMode);
unsafe fn enable_channel(&mut self, channel: Channel, enable: bool);
unsafe fn set_compare_value(&mut self, channel: Channel, value: u16);
unsafe fn get_max_compare_value(&self) -> u16;
}
pub trait CaptureCompare32bitInstance:
crate::timer::sealed::GeneralPurpose32bitInstance
{
unsafe fn set_output_compare_mode(&mut self, channel: Channel, mode: OutputCompareMode);
unsafe fn enable_channel(&mut self, channel: Channel, enable: bool);
unsafe fn set_compare_value(&mut self, channel: Channel, value: u32);
unsafe fn get_max_compare_value(&self) -> u32;
}
}
pub trait CaptureCompare16bitInstance:
sealed::CaptureCompare16bitInstance + crate::timer::Basic16bitInstance + 'static
{
}
pub trait CaptureCompare32bitInstance:
sealed::CaptureCompare32bitInstance
+ CaptureCompare16bitInstance
+ crate::timer::GeneralPurpose32bitInstance
+ 'static
{
}
#[allow(unused)]
macro_rules! impl_compare_capable_16bit {
($inst:ident) => {
impl crate::pwm::sealed::CaptureCompare16bitInstance for crate::peripherals::$inst {
unsafe fn set_output_compare_mode(
&mut self,
channel: crate::pwm::Channel,
mode: OutputCompareMode,
) {
use crate::timer::sealed::GeneralPurpose16bitInstance;
let r = Self::regs_gp16();
let raw_channel: usize = channel.raw();
r.ccmr_output(raw_channel / 2)
.modify(|w| w.set_ocm(raw_channel % 2, mode.into()));
}
unsafe fn enable_channel(&mut self, channel: Channel, enable: bool) {
use crate::timer::sealed::GeneralPurpose16bitInstance;
Self::regs_gp16()
.ccer()
.modify(|w| w.set_cce(channel.raw(), enable));
}
unsafe fn set_compare_value(&mut self, channel: Channel, value: u16) {
use crate::timer::sealed::GeneralPurpose16bitInstance;
Self::regs_gp16()
.ccr(channel.raw())
.modify(|w| w.set_ccr(value));
}
unsafe fn get_max_compare_value(&self) -> u16 {
use crate::timer::sealed::GeneralPurpose16bitInstance;
Self::regs_gp16().arr().read().arr()
}
}
};
}
foreach_interrupt! {
($inst:ident, timer, TIM_GP16, UP, $irq:ident) => {
impl crate::pwm::sealed::CaptureCompare16bitInstance for crate::peripherals::$inst {
unsafe fn set_output_compare_mode(
&mut self,
channel: crate::pwm::Channel,
mode: OutputCompareMode,
) {
use crate::timer::sealed::GeneralPurpose16bitInstance;
let r = Self::regs_gp16();
let raw_channel: usize = channel.raw();
r.ccmr_output(raw_channel / 2)
.modify(|w| w.set_ocm(raw_channel % 2, mode.into()));
}
unsafe fn enable_channel(&mut self, channel: Channel, enable: bool) {
use crate::timer::sealed::GeneralPurpose16bitInstance;
Self::regs_gp16()
.ccer()
.modify(|w| w.set_cce(channel.raw(), enable));
}
unsafe fn set_compare_value(&mut self, channel: Channel, value: u16) {
use crate::timer::sealed::GeneralPurpose16bitInstance;
Self::regs_gp16()
.ccr(channel.raw())
.modify(|w| w.set_ccr(value));
}
unsafe fn get_max_compare_value(&self) -> u16 {
use crate::timer::sealed::GeneralPurpose16bitInstance;
Self::regs_gp16().arr().read().arr()
}
}
impl CaptureCompare16bitInstance for crate::peripherals::$inst {
}
};
($inst:ident, timer, TIM_GP32, UP, $irq:ident) => {
impl_compare_capable_16bit!($inst);
impl crate::pwm::sealed::CaptureCompare32bitInstance for crate::peripherals::$inst {
unsafe fn set_output_compare_mode(
&mut self,
channel: crate::pwm::Channel,
mode: OutputCompareMode,
) {
use crate::timer::sealed::GeneralPurpose32bitInstance;
let raw_channel = channel.raw();
Self::regs_gp32().ccmr_output(raw_channel / 2).modify(|w| w.set_ocm(raw_channel % 2, mode.into()));
}
unsafe fn enable_channel(&mut self, channel: Channel, enable: bool) {
use crate::timer::sealed::GeneralPurpose32bitInstance;
Self::regs_gp32().ccer().modify(|w| w.set_cce(channel.raw(), enable));
}
unsafe fn set_compare_value(&mut self, channel: Channel, value: u32) {
use crate::timer::sealed::GeneralPurpose32bitInstance;
Self::regs_gp32().ccr(channel.raw()).modify(|w| w.set_ccr(value));
}
unsafe fn get_max_compare_value(&self) -> u32 {
use crate::timer::sealed::GeneralPurpose32bitInstance;
Self::regs_gp32().arr().read().arr() as u32
}
}
impl CaptureCompare16bitInstance for crate::peripherals::$inst {
}
impl CaptureCompare32bitInstance for crate::peripherals::$inst {
}
};
($inst:ident, timer, TIM_ADV, UP, $irq:ident) => {
impl crate::pwm::sealed::CaptureCompare16bitInstance for crate::peripherals::$inst {
unsafe fn set_output_compare_mode(
&mut self,
channel: crate::pwm::Channel,
mode: OutputCompareMode,
) {
use crate::timer::sealed::AdvancedControlInstance;
let r = Self::regs_advanced();
let raw_channel: usize = channel.raw();
r.ccmr_output(raw_channel / 2)
.modify(|w| w.set_ocm(raw_channel % 2, mode.into()));
}
unsafe fn enable_channel(&mut self, channel: Channel, enable: bool) {
use crate::timer::sealed::AdvancedControlInstance;
Self::regs_advanced()
.ccer()
.modify(|w| w.set_cce(channel.raw(), enable));
}
unsafe fn set_compare_value(&mut self, channel: Channel, value: u16) {
use crate::timer::sealed::AdvancedControlInstance;
Self::regs_advanced()
.ccr(channel.raw())
.modify(|w| w.set_ccr(value));
}
unsafe fn get_max_compare_value(&self) -> u16 {
use crate::timer::sealed::AdvancedControlInstance;
Self::regs_advanced().arr().read().arr()
}
}
impl CaptureCompare16bitInstance for crate::peripherals::$inst {
}
};
}
pin_trait!(Channel1Pin, CaptureCompare16bitInstance);
pin_trait!(Channel1ComplementaryPin, CaptureCompare16bitInstance);
pin_trait!(Channel2Pin, CaptureCompare16bitInstance);
pin_trait!(Channel2ComplementaryPin, CaptureCompare16bitInstance);
pin_trait!(Channel3Pin, CaptureCompare16bitInstance);
pin_trait!(Channel3ComplementaryPin, CaptureCompare16bitInstance);
pin_trait!(Channel4Pin, CaptureCompare16bitInstance);
pin_trait!(Channel4ComplementaryPin, CaptureCompare16bitInstance);
pin_trait!(ExternalTriggerPin, CaptureCompare16bitInstance);
pin_trait!(BreakInputPin, CaptureCompare16bitInstance);
pin_trait!(BreakInputComparator1Pin, CaptureCompare16bitInstance);
pin_trait!(BreakInputComparator2Pin, CaptureCompare16bitInstance);
pin_trait!(BreakInput2Pin, CaptureCompare16bitInstance);
pin_trait!(BreakInput2Comparator1Pin, CaptureCompare16bitInstance);
pin_trait!(BreakInput2Comparator2Pin, CaptureCompare16bitInstance);
|
