lpc550x/i2s0/
fifotrig.rs

1#[doc = "Register `FIFOTRIG` reader"]
2pub struct R(crate::R<FIFOTRIG_SPEC>);
3impl core::ops::Deref for R {
4    type Target = crate::R<FIFOTRIG_SPEC>;
5    #[inline(always)]
6    fn deref(&self) -> &Self::Target {
7        &self.0
8    }
9}
10impl From<crate::R<FIFOTRIG_SPEC>> for R {
11    #[inline(always)]
12    fn from(reader: crate::R<FIFOTRIG_SPEC>) -> Self {
13        R(reader)
14    }
15}
16#[doc = "Register `FIFOTRIG` writer"]
17pub struct W(crate::W<FIFOTRIG_SPEC>);
18impl core::ops::Deref for W {
19    type Target = crate::W<FIFOTRIG_SPEC>;
20    #[inline(always)]
21    fn deref(&self) -> &Self::Target {
22        &self.0
23    }
24}
25impl core::ops::DerefMut for W {
26    #[inline(always)]
27    fn deref_mut(&mut self) -> &mut Self::Target {
28        &mut self.0
29    }
30}
31impl From<crate::W<FIFOTRIG_SPEC>> for W {
32    #[inline(always)]
33    fn from(writer: crate::W<FIFOTRIG_SPEC>) -> Self {
34        W(writer)
35    }
36}
37#[doc = "Field `TXLVLENA` reader - Transmit FIFO level trigger enable. This trigger will become an interrupt if enabled in FIFOINTENSET, or a DMA trigger if DMATX in FIFOCFG is set."]
38pub type TXLVLENA_R = crate::BitReader<TXLVLENA_A>;
39#[doc = "Transmit FIFO level trigger enable. This trigger will become an interrupt if enabled in FIFOINTENSET, or a DMA trigger if DMATX in FIFOCFG is set.\n\nValue on reset: 0"]
40#[derive(Clone, Copy, Debug, PartialEq, Eq)]
41pub enum TXLVLENA_A {
42    #[doc = "0: Transmit FIFO level does not generate a FIFO level trigger."]
43    DISABLED = 0,
44    #[doc = "1: An trigger will be generated if the transmit FIFO level reaches the value specified by the TXLVL field in this register."]
45    ENABLED = 1,
46}
47impl From<TXLVLENA_A> for bool {
48    #[inline(always)]
49    fn from(variant: TXLVLENA_A) -> Self {
50        variant as u8 != 0
51    }
52}
53impl TXLVLENA_R {
54    #[doc = "Get enumerated values variant"]
55    #[inline(always)]
56    pub fn variant(&self) -> TXLVLENA_A {
57        match self.bits {
58            false => TXLVLENA_A::DISABLED,
59            true => TXLVLENA_A::ENABLED,
60        }
61    }
62    #[doc = "Checks if the value of the field is `DISABLED`"]
63    #[inline(always)]
64    pub fn is_disabled(&self) -> bool {
65        *self == TXLVLENA_A::DISABLED
66    }
67    #[doc = "Checks if the value of the field is `ENABLED`"]
68    #[inline(always)]
69    pub fn is_enabled(&self) -> bool {
70        *self == TXLVLENA_A::ENABLED
71    }
72}
73#[doc = "Field `TXLVLENA` writer - Transmit FIFO level trigger enable. This trigger will become an interrupt if enabled in FIFOINTENSET, or a DMA trigger if DMATX in FIFOCFG is set."]
74pub type TXLVLENA_W<'a, const O: u8> = crate::BitWriter<'a, u32, FIFOTRIG_SPEC, TXLVLENA_A, O>;
75impl<'a, const O: u8> TXLVLENA_W<'a, O> {
76    #[doc = "Transmit FIFO level does not generate a FIFO level trigger."]
77    #[inline(always)]
78    pub fn disabled(self) -> &'a mut W {
79        self.variant(TXLVLENA_A::DISABLED)
80    }
81    #[doc = "An trigger will be generated if the transmit FIFO level reaches the value specified by the TXLVL field in this register."]
82    #[inline(always)]
83    pub fn enabled(self) -> &'a mut W {
84        self.variant(TXLVLENA_A::ENABLED)
85    }
86}
87#[doc = "Field `RXLVLENA` reader - Receive FIFO level trigger enable. This trigger will become an interrupt if enabled in FIFOINTENSET, or a DMA trigger if DMARX in FIFOCFG is set."]
88pub type RXLVLENA_R = crate::BitReader<RXLVLENA_A>;
89#[doc = "Receive FIFO level trigger enable. This trigger will become an interrupt if enabled in FIFOINTENSET, or a DMA trigger if DMARX in FIFOCFG is set.\n\nValue on reset: 0"]
90#[derive(Clone, Copy, Debug, PartialEq, Eq)]
91pub enum RXLVLENA_A {
92    #[doc = "0: Receive FIFO level does not generate a FIFO level trigger."]
93    DISABLED = 0,
94    #[doc = "1: An trigger will be generated if the receive FIFO level reaches the value specified by the RXLVL field in this register."]
95    ENABLED = 1,
96}
97impl From<RXLVLENA_A> for bool {
98    #[inline(always)]
99    fn from(variant: RXLVLENA_A) -> Self {
100        variant as u8 != 0
101    }
102}
103impl RXLVLENA_R {
104    #[doc = "Get enumerated values variant"]
105    #[inline(always)]
106    pub fn variant(&self) -> RXLVLENA_A {
107        match self.bits {
108            false => RXLVLENA_A::DISABLED,
109            true => RXLVLENA_A::ENABLED,
110        }
111    }
112    #[doc = "Checks if the value of the field is `DISABLED`"]
113    #[inline(always)]
114    pub fn is_disabled(&self) -> bool {
115        *self == RXLVLENA_A::DISABLED
116    }
117    #[doc = "Checks if the value of the field is `ENABLED`"]
118    #[inline(always)]
119    pub fn is_enabled(&self) -> bool {
120        *self == RXLVLENA_A::ENABLED
121    }
122}
123#[doc = "Field `RXLVLENA` writer - Receive FIFO level trigger enable. This trigger will become an interrupt if enabled in FIFOINTENSET, or a DMA trigger if DMARX in FIFOCFG is set."]
124pub type RXLVLENA_W<'a, const O: u8> = crate::BitWriter<'a, u32, FIFOTRIG_SPEC, RXLVLENA_A, O>;
125impl<'a, const O: u8> RXLVLENA_W<'a, O> {
126    #[doc = "Receive FIFO level does not generate a FIFO level trigger."]
127    #[inline(always)]
128    pub fn disabled(self) -> &'a mut W {
129        self.variant(RXLVLENA_A::DISABLED)
130    }
131    #[doc = "An trigger will be generated if the receive FIFO level reaches the value specified by the RXLVL field in this register."]
132    #[inline(always)]
133    pub fn enabled(self) -> &'a mut W {
134        self.variant(RXLVLENA_A::ENABLED)
135    }
136}
137#[doc = "Field `TXLVL` reader - Transmit FIFO level trigger point. This field is used only when TXLVLENA = 1. If enabled to do so, the FIFO level can wake up the device just enough to perform DMA, then return to the reduced power mode. See Hardware Wake-up control register. 0 = trigger when the TX FIFO becomes empty. 1 = trigger when the TX FIFO level decreases to one entry. 15 = trigger when the TX FIFO level decreases to 15 entries (is no longer full)."]
138pub type TXLVL_R = crate::FieldReader<u8, u8>;
139#[doc = "Field `TXLVL` writer - Transmit FIFO level trigger point. This field is used only when TXLVLENA = 1. If enabled to do so, the FIFO level can wake up the device just enough to perform DMA, then return to the reduced power mode. See Hardware Wake-up control register. 0 = trigger when the TX FIFO becomes empty. 1 = trigger when the TX FIFO level decreases to one entry. 15 = trigger when the TX FIFO level decreases to 15 entries (is no longer full)."]
140pub type TXLVL_W<'a, const O: u8> = crate::FieldWriter<'a, u32, FIFOTRIG_SPEC, u8, u8, 4, O>;
141#[doc = "Field `RXLVL` reader - Receive FIFO level trigger point. The RX FIFO level is checked when a new piece of data is received. This field is used only when RXLVLENA = 1. If enabled to do so, the FIFO level can wake up the device just enough to perform DMA, then return to the reduced power mode. See Hardware Wake-up control register. 0 = trigger when the RX FIFO has received one entry (is no longer empty). 1 = trigger when the RX FIFO has received two entries. 15 = trigger when the RX FIFO has received 16 entries (has become full)."]
142pub type RXLVL_R = crate::FieldReader<u8, u8>;
143#[doc = "Field `RXLVL` writer - Receive FIFO level trigger point. The RX FIFO level is checked when a new piece of data is received. This field is used only when RXLVLENA = 1. If enabled to do so, the FIFO level can wake up the device just enough to perform DMA, then return to the reduced power mode. See Hardware Wake-up control register. 0 = trigger when the RX FIFO has received one entry (is no longer empty). 1 = trigger when the RX FIFO has received two entries. 15 = trigger when the RX FIFO has received 16 entries (has become full)."]
144pub type RXLVL_W<'a, const O: u8> = crate::FieldWriter<'a, u32, FIFOTRIG_SPEC, u8, u8, 4, O>;
145impl R {
146    #[doc = "Bit 0 - Transmit FIFO level trigger enable. This trigger will become an interrupt if enabled in FIFOINTENSET, or a DMA trigger if DMATX in FIFOCFG is set."]
147    #[inline(always)]
148    pub fn txlvlena(&self) -> TXLVLENA_R {
149        TXLVLENA_R::new((self.bits & 1) != 0)
150    }
151    #[doc = "Bit 1 - Receive FIFO level trigger enable. This trigger will become an interrupt if enabled in FIFOINTENSET, or a DMA trigger if DMARX in FIFOCFG is set."]
152    #[inline(always)]
153    pub fn rxlvlena(&self) -> RXLVLENA_R {
154        RXLVLENA_R::new(((self.bits >> 1) & 1) != 0)
155    }
156    #[doc = "Bits 8:11 - Transmit FIFO level trigger point. This field is used only when TXLVLENA = 1. If enabled to do so, the FIFO level can wake up the device just enough to perform DMA, then return to the reduced power mode. See Hardware Wake-up control register. 0 = trigger when the TX FIFO becomes empty. 1 = trigger when the TX FIFO level decreases to one entry. 15 = trigger when the TX FIFO level decreases to 15 entries (is no longer full)."]
157    #[inline(always)]
158    pub fn txlvl(&self) -> TXLVL_R {
159        TXLVL_R::new(((self.bits >> 8) & 0x0f) as u8)
160    }
161    #[doc = "Bits 16:19 - Receive FIFO level trigger point. The RX FIFO level is checked when a new piece of data is received. This field is used only when RXLVLENA = 1. If enabled to do so, the FIFO level can wake up the device just enough to perform DMA, then return to the reduced power mode. See Hardware Wake-up control register. 0 = trigger when the RX FIFO has received one entry (is no longer empty). 1 = trigger when the RX FIFO has received two entries. 15 = trigger when the RX FIFO has received 16 entries (has become full)."]
162    #[inline(always)]
163    pub fn rxlvl(&self) -> RXLVL_R {
164        RXLVL_R::new(((self.bits >> 16) & 0x0f) as u8)
165    }
166}
167impl W {
168    #[doc = "Bit 0 - Transmit FIFO level trigger enable. This trigger will become an interrupt if enabled in FIFOINTENSET, or a DMA trigger if DMATX in FIFOCFG is set."]
169    #[inline(always)]
170    pub fn txlvlena(&mut self) -> TXLVLENA_W<0> {
171        TXLVLENA_W::new(self)
172    }
173    #[doc = "Bit 1 - Receive FIFO level trigger enable. This trigger will become an interrupt if enabled in FIFOINTENSET, or a DMA trigger if DMARX in FIFOCFG is set."]
174    #[inline(always)]
175    pub fn rxlvlena(&mut self) -> RXLVLENA_W<1> {
176        RXLVLENA_W::new(self)
177    }
178    #[doc = "Bits 8:11 - Transmit FIFO level trigger point. This field is used only when TXLVLENA = 1. If enabled to do so, the FIFO level can wake up the device just enough to perform DMA, then return to the reduced power mode. See Hardware Wake-up control register. 0 = trigger when the TX FIFO becomes empty. 1 = trigger when the TX FIFO level decreases to one entry. 15 = trigger when the TX FIFO level decreases to 15 entries (is no longer full)."]
179    #[inline(always)]
180    pub fn txlvl(&mut self) -> TXLVL_W<8> {
181        TXLVL_W::new(self)
182    }
183    #[doc = "Bits 16:19 - Receive FIFO level trigger point. The RX FIFO level is checked when a new piece of data is received. This field is used only when RXLVLENA = 1. If enabled to do so, the FIFO level can wake up the device just enough to perform DMA, then return to the reduced power mode. See Hardware Wake-up control register. 0 = trigger when the RX FIFO has received one entry (is no longer empty). 1 = trigger when the RX FIFO has received two entries. 15 = trigger when the RX FIFO has received 16 entries (has become full)."]
184    #[inline(always)]
185    pub fn rxlvl(&mut self) -> RXLVL_W<16> {
186        RXLVL_W::new(self)
187    }
188    #[doc = "Writes raw bits to the register."]
189    #[inline(always)]
190    pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
191        self.0.bits(bits);
192        self
193    }
194}
195#[doc = "FIFO trigger settings for interrupt and DMA request.\n\nThis register you can [`read`](crate::generic::Reg::read), [`write_with_zero`](crate::generic::Reg::write_with_zero), [`reset`](crate::generic::Reg::reset), [`write`](crate::generic::Reg::write), [`modify`](crate::generic::Reg::modify). See [API](https://docs.rs/svd2rust/#read--modify--write-api).\n\nFor information about available fields see [fifotrig](index.html) module"]
196pub struct FIFOTRIG_SPEC;
197impl crate::RegisterSpec for FIFOTRIG_SPEC {
198    type Ux = u32;
199}
200#[doc = "`read()` method returns [fifotrig::R](R) reader structure"]
201impl crate::Readable for FIFOTRIG_SPEC {
202    type Reader = R;
203}
204#[doc = "`write(|w| ..)` method takes [fifotrig::W](W) writer structure"]
205impl crate::Writable for FIFOTRIG_SPEC {
206    type Writer = W;
207}
208#[doc = "`reset()` method sets FIFOTRIG to value 0"]
209impl crate::Resettable for FIFOTRIG_SPEC {
210    #[inline(always)]
211    fn reset_value() -> Self::Ux {
212        0
213    }
214}