#[doc = "Register `SR` reader"]
pub type R = crate::R<SR_SPEC>;
#[doc = "Field `RESP_REC` reader - The received ACK value in master mode or slave mode. 0: ACK, 1: NACK."]
pub type RESP_REC_R = crate::BitReader;
#[doc = "Field `ARB_LOST` reader - When the I2C controller loses control of SCL line, this register changes to 1."]
pub type ARB_LOST_R = crate::BitReader;
#[doc = "Field `BUS_BUSY` reader - 1: the I2C bus is busy transferring data, 0: the I2C bus is in idle state."]
pub type BUS_BUSY_R = crate::BitReader;
#[doc = "Field `RXFIFO_CNT` reader - This field represents the amount of data needed to be sent."]
pub type RXFIFO_CNT_R = crate::FieldReader;
#[doc = "Field `TXFIFO_CNT` reader - This field stores the amount of received data in RAM."]
pub type TXFIFO_CNT_R = crate::FieldReader;
#[doc = "Field `SCL_MAIN_STATE_LAST` reader - This field indicates the states of the I2C module state machine. 0: Idle, 1: Address shift, 2: ACK address, 3: Rx data, 4: Tx data, 5: Send ACK, 6: Wait ACK"]
pub type SCL_MAIN_STATE_LAST_R = crate::FieldReader;
#[doc = "Field `SCL_STATE_LAST` reader - This field indicates the states of the state machine used to produce SCL. 0: Idle, 1: Start, 2: Negative edge, 3: Low, 4: Positive edge, 5: High, 6: Stop"]
pub type SCL_STATE_LAST_R = crate::FieldReader;
impl R {
#[doc = "Bit 0 - The received ACK value in master mode or slave mode. 0: ACK, 1: NACK."]
#[inline(always)]
pub fn resp_rec(&self) -> RESP_REC_R {
RESP_REC_R::new((self.bits & 1) != 0)
}
#[doc = "Bit 3 - When the I2C controller loses control of SCL line, this register changes to 1."]
#[inline(always)]
pub fn arb_lost(&self) -> ARB_LOST_R {
ARB_LOST_R::new(((self.bits >> 3) & 1) != 0)
}
#[doc = "Bit 4 - 1: the I2C bus is busy transferring data, 0: the I2C bus is in idle state."]
#[inline(always)]
pub fn bus_busy(&self) -> BUS_BUSY_R {
BUS_BUSY_R::new(((self.bits >> 4) & 1) != 0)
}
#[doc = "Bits 8:12 - This field represents the amount of data needed to be sent."]
#[inline(always)]
pub fn rxfifo_cnt(&self) -> RXFIFO_CNT_R {
RXFIFO_CNT_R::new(((self.bits >> 8) & 0x1f) as u8)
}
#[doc = "Bits 18:22 - This field stores the amount of received data in RAM."]
#[inline(always)]
pub fn txfifo_cnt(&self) -> TXFIFO_CNT_R {
TXFIFO_CNT_R::new(((self.bits >> 18) & 0x1f) as u8)
}
#[doc = "Bits 24:26 - This field indicates the states of the I2C module state machine. 0: Idle, 1: Address shift, 2: ACK address, 3: Rx data, 4: Tx data, 5: Send ACK, 6: Wait ACK"]
#[inline(always)]
pub fn scl_main_state_last(&self) -> SCL_MAIN_STATE_LAST_R {
SCL_MAIN_STATE_LAST_R::new(((self.bits >> 24) & 7) as u8)
}
#[doc = "Bits 28:30 - This field indicates the states of the state machine used to produce SCL. 0: Idle, 1: Start, 2: Negative edge, 3: Low, 4: Positive edge, 5: High, 6: Stop"]
#[inline(always)]
pub fn scl_state_last(&self) -> SCL_STATE_LAST_R {
SCL_STATE_LAST_R::new(((self.bits >> 28) & 7) as u8)
}
}
#[cfg(feature = "impl-register-debug")]
impl core::fmt::Debug for R {
fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
f.debug_struct("SR")
.field("resp_rec", &format_args!("{}", self.resp_rec().bit()))
.field("arb_lost", &format_args!("{}", self.arb_lost().bit()))
.field("bus_busy", &format_args!("{}", self.bus_busy().bit()))
.field("rxfifo_cnt", &format_args!("{}", self.rxfifo_cnt().bits()))
.field("txfifo_cnt", &format_args!("{}", self.txfifo_cnt().bits()))
.field(
"scl_main_state_last",
&format_args!("{}", self.scl_main_state_last().bits()),
)
.field(
"scl_state_last",
&format_args!("{}", self.scl_state_last().bits()),
)
.finish()
}
}
#[cfg(feature = "impl-register-debug")]
impl core::fmt::Debug for crate::generic::Reg<SR_SPEC> {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
core::fmt::Debug::fmt(&self.read(), f)
}
}
#[doc = "Describe I2C work status.\n\nYou can [`read`](crate::generic::Reg::read) this register and get [`sr::R`](R). See [API](https://docs.rs/svd2rust/#read--modify--write-api)."]
pub struct SR_SPEC;
impl crate::RegisterSpec for SR_SPEC {
type Ux = u32;
}
#[doc = "`read()` method returns [`sr::R`](R) reader structure"]
impl crate::Readable for SR_SPEC {}
#[doc = "`reset()` method sets SR to value 0"]
impl crate::Resettable for SR_SPEC {
const RESET_VALUE: Self::Ux = 0;
}