#[doc = "Register `CTRL` reader"]
pub type R = crate::R<CTRL_SPEC>;
#[doc = "Register `CTRL` writer"]
pub type W = crate::W<CTRL_SPEC>;
#[doc = "Field `SM_ENABLE` reader - Enable/disable each of the four state machines by writing 1/0 to each of these four bits. When disabled, a state machine will cease executing instructions, except those written directly to SMx_INSTR by the system. Multiple bits can be set/cleared at once to run/halt multiple state machines simultaneously."]
pub type SM_ENABLE_R = crate::FieldReader;
#[doc = "Field `SM_ENABLE` writer - Enable/disable each of the four state machines by writing 1/0 to each of these four bits. When disabled, a state machine will cease executing instructions, except those written directly to SMx_INSTR by the system. Multiple bits can be set/cleared at once to run/halt multiple state machines simultaneously."]
pub type SM_ENABLE_W<'a, REG> = crate::FieldWriter<'a, REG, 4>;
#[doc = "Field `SM_RESTART` reader - Write 1 to instantly clear internal SM state which may be otherwise difficult to access and will affect future execution.
Specifically, the following are cleared: input and output shift counters; the contents of the input shift register; the delay counter; the waiting-on-IRQ state; any stalled instruction written to SMx_INSTR or run by OUT/MOV EXEC; any pin write left asserted due to OUT_STICKY.
The program counter, the contents of the output shift register and the X/Y scratch registers are not affected."]
pub type SM_RESTART_R = crate::FieldReader;
#[doc = "Field `SM_RESTART` writer - Write 1 to instantly clear internal SM state which may be otherwise difficult to access and will affect future execution.
Specifically, the following are cleared: input and output shift counters; the contents of the input shift register; the delay counter; the waiting-on-IRQ state; any stalled instruction written to SMx_INSTR or run by OUT/MOV EXEC; any pin write left asserted due to OUT_STICKY.
The program counter, the contents of the output shift register and the X/Y scratch registers are not affected."]
pub type SM_RESTART_W<'a, REG> = crate::FieldWriter<'a, REG, 4>;
#[doc = "Field `CLKDIV_RESTART` reader - Restart a state machine's clock divider from an initial phase of 0. Clock dividers are free-running, so once started, their output (including fractional jitter) is completely determined by the integer/fractional divisor configured in SMx_CLKDIV. This means that, if multiple clock dividers with the same divisor are restarted simultaneously, by writing multiple 1 bits to this field, the execution clocks of those state machines will run in precise lockstep.
Note that setting/clearing SM_ENABLE does not stop the clock divider from running, so once multiple state machines' clocks are synchronised, it is safe to disable/reenable a state machine, whilst keeping the clock dividers in sync.
Note also that CLKDIV_RESTART can be written to whilst the state machine is running, and this is useful to resynchronise clock dividers after the divisors (SMx_CLKDIV) have been changed on-the-fly."]
pub type CLKDIV_RESTART_R = crate::FieldReader;
#[doc = "Field `CLKDIV_RESTART` writer - Restart a state machine's clock divider from an initial phase of 0. Clock dividers are free-running, so once started, their output (including fractional jitter) is completely determined by the integer/fractional divisor configured in SMx_CLKDIV. This means that, if multiple clock dividers with the same divisor are restarted simultaneously, by writing multiple 1 bits to this field, the execution clocks of those state machines will run in precise lockstep.
Note that setting/clearing SM_ENABLE does not stop the clock divider from running, so once multiple state machines' clocks are synchronised, it is safe to disable/reenable a state machine, whilst keeping the clock dividers in sync.
Note also that CLKDIV_RESTART can be written to whilst the state machine is running, and this is useful to resynchronise clock dividers after the divisors (SMx_CLKDIV) have been changed on-the-fly."]
pub type CLKDIV_RESTART_W<'a, REG> = crate::FieldWriter<'a, REG, 4>;
impl R {
#[doc = "Bits 0:3 - Enable/disable each of the four state machines by writing 1/0 to each of these four bits. When disabled, a state machine will cease executing instructions, except those written directly to SMx_INSTR by the system. Multiple bits can be set/cleared at once to run/halt multiple state machines simultaneously."]
#[inline(always)]
pub fn sm_enable(&self) -> SM_ENABLE_R {
SM_ENABLE_R::new((self.bits & 0x0f) as u8)
}
#[doc = "Bits 4:7 - Write 1 to instantly clear internal SM state which may be otherwise difficult to access and will affect future execution.
Specifically, the following are cleared: input and output shift counters; the contents of the input shift register; the delay counter; the waiting-on-IRQ state; any stalled instruction written to SMx_INSTR or run by OUT/MOV EXEC; any pin write left asserted due to OUT_STICKY.
The program counter, the contents of the output shift register and the X/Y scratch registers are not affected."]
#[inline(always)]
pub fn sm_restart(&self) -> SM_RESTART_R {
SM_RESTART_R::new(((self.bits >> 4) & 0x0f) as u8)
}
#[doc = "Bits 8:11 - Restart a state machine's clock divider from an initial phase of 0. Clock dividers are free-running, so once started, their output (including fractional jitter) is completely determined by the integer/fractional divisor configured in SMx_CLKDIV. This means that, if multiple clock dividers with the same divisor are restarted simultaneously, by writing multiple 1 bits to this field, the execution clocks of those state machines will run in precise lockstep.
Note that setting/clearing SM_ENABLE does not stop the clock divider from running, so once multiple state machines' clocks are synchronised, it is safe to disable/reenable a state machine, whilst keeping the clock dividers in sync.
Note also that CLKDIV_RESTART can be written to whilst the state machine is running, and this is useful to resynchronise clock dividers after the divisors (SMx_CLKDIV) have been changed on-the-fly."]
#[inline(always)]
pub fn clkdiv_restart(&self) -> CLKDIV_RESTART_R {
CLKDIV_RESTART_R::new(((self.bits >> 8) & 0x0f) as u8)
}
}
impl W {
#[doc = "Bits 0:3 - Enable/disable each of the four state machines by writing 1/0 to each of these four bits. When disabled, a state machine will cease executing instructions, except those written directly to SMx_INSTR by the system. Multiple bits can be set/cleared at once to run/halt multiple state machines simultaneously."]
#[inline(always)]
#[must_use]
pub fn sm_enable(&mut self) -> SM_ENABLE_W<CTRL_SPEC> {
SM_ENABLE_W::new(self, 0)
}
#[doc = "Bits 4:7 - Write 1 to instantly clear internal SM state which may be otherwise difficult to access and will affect future execution.
Specifically, the following are cleared: input and output shift counters; the contents of the input shift register; the delay counter; the waiting-on-IRQ state; any stalled instruction written to SMx_INSTR or run by OUT/MOV EXEC; any pin write left asserted due to OUT_STICKY.
The program counter, the contents of the output shift register and the X/Y scratch registers are not affected."]
#[inline(always)]
#[must_use]
pub fn sm_restart(&mut self) -> SM_RESTART_W<CTRL_SPEC> {
SM_RESTART_W::new(self, 4)
}
#[doc = "Bits 8:11 - Restart a state machine's clock divider from an initial phase of 0. Clock dividers are free-running, so once started, their output (including fractional jitter) is completely determined by the integer/fractional divisor configured in SMx_CLKDIV. This means that, if multiple clock dividers with the same divisor are restarted simultaneously, by writing multiple 1 bits to this field, the execution clocks of those state machines will run in precise lockstep.
Note that setting/clearing SM_ENABLE does not stop the clock divider from running, so once multiple state machines' clocks are synchronised, it is safe to disable/reenable a state machine, whilst keeping the clock dividers in sync.
Note also that CLKDIV_RESTART can be written to whilst the state machine is running, and this is useful to resynchronise clock dividers after the divisors (SMx_CLKDIV) have been changed on-the-fly."]
#[inline(always)]
#[must_use]
pub fn clkdiv_restart(&mut self) -> CLKDIV_RESTART_W<CTRL_SPEC> {
CLKDIV_RESTART_W::new(self, 8)
}
#[doc = r" Writes raw bits to the register."]
#[doc = r""]
#[doc = r" # Safety"]
#[doc = r""]
#[doc = r" Passing incorrect value can cause undefined behaviour. See reference manual"]
#[inline(always)]
pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
self.bits = bits;
self
}
}
#[doc = "PIO control register
You can [`read`](crate::generic::Reg::read) this register and get [`ctrl::R`](R). You can [`reset`](crate::generic::Reg::reset), [`write`](crate::generic::Reg::write), [`write_with_zero`](crate::generic::Reg::write_with_zero) this register using [`ctrl::W`](W). You can also [`modify`](crate::generic::Reg::modify) this register. See [API](https://docs.rs/svd2rust/#read--modify--write-api)."]
pub struct CTRL_SPEC;
impl crate::RegisterSpec for CTRL_SPEC {
type Ux = u32;
}
#[doc = "`read()` method returns [`ctrl::R`](R) reader structure"]
impl crate::Readable for CTRL_SPEC {}
#[doc = "`write(|w| ..)` method takes [`ctrl::W`](W) writer structure"]
impl crate::Writable for CTRL_SPEC {
const ZERO_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
const ONE_TO_MODIFY_FIELDS_BITMAP: u32 = 0;
}
#[doc = "`reset()` method sets CTRL to value 0"]
impl crate::Resettable for CTRL_SPEC {
const RESET_VALUE: u32 = 0;
}