1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
#[doc = "Reader of register CTRLA1"]
pub type R = crate::R<u32, super::CTRLA1>;
#[doc = "Writer for register CTRLA1"]
pub type W = crate::W<u32, super::CTRLA1>;
#[doc = "Register CTRLA1 `reset()`'s with value 0"]
impl crate::ResetValue for super::CTRLA1 {
    type Type = u32;
    #[inline(always)]
    fn reset_value() -> Self::Type {
        0
    }
}
#[doc = "Reader of field `BTSIZE`"]
pub type BTSIZE_R = crate::R<u16, u16>;
#[doc = "Write proxy for field `BTSIZE`"]
pub struct BTSIZE_W<'a> {
    w: &'a mut W,
}
impl<'a> BTSIZE_W<'a> {
    #[doc = r"Writes raw bits to the field"]
    #[inline(always)]
    pub unsafe fn bits(self, value: u16) -> &'a mut W {
        self.w.bits = (self.w.bits & !0xffff) | ((value as u32) & 0xffff);
        self.w
    }
}
#[doc = "Transfer Width for the Source\n\nValue on reset: 0"]
#[derive(Clone, Copy, Debug, PartialEq)]
#[repr(u8)]
pub enum SRC_WIDTH_A {
    #[doc = "0: the transfer size is set to 8-bit width"]
    BYTE = 0,
    #[doc = "1: the transfer size is set to 16-bit width"]
    HALF_WORD = 1,
    #[doc = "2: the transfer size is set to 32-bit width"]
    WORD = 2,
}
impl From<SRC_WIDTH_A> for u8 {
    #[inline(always)]
    fn from(variant: SRC_WIDTH_A) -> Self {
        variant as _
    }
}
#[doc = "Reader of field `SRC_WIDTH`"]
pub type SRC_WIDTH_R = crate::R<u8, SRC_WIDTH_A>;
impl SRC_WIDTH_R {
    #[doc = r"Get enumerated values variant"]
    #[inline(always)]
    pub fn variant(&self) -> crate::Variant<u8, SRC_WIDTH_A> {
        use crate::Variant::*;
        match self.bits {
            0 => Val(SRC_WIDTH_A::BYTE),
            1 => Val(SRC_WIDTH_A::HALF_WORD),
            2 => Val(SRC_WIDTH_A::WORD),
            i => Res(i),
        }
    }
    #[doc = "Checks if the value of the field is `BYTE`"]
    #[inline(always)]
    pub fn is_byte(&self) -> bool {
        *self == SRC_WIDTH_A::BYTE
    }
    #[doc = "Checks if the value of the field is `HALF_WORD`"]
    #[inline(always)]
    pub fn is_half_word(&self) -> bool {
        *self == SRC_WIDTH_A::HALF_WORD
    }
    #[doc = "Checks if the value of the field is `WORD`"]
    #[inline(always)]
    pub fn is_word(&self) -> bool {
        *self == SRC_WIDTH_A::WORD
    }
}
#[doc = "Write proxy for field `SRC_WIDTH`"]
pub struct SRC_WIDTH_W<'a> {
    w: &'a mut W,
}
impl<'a> SRC_WIDTH_W<'a> {
    #[doc = r"Writes `variant` to the field"]
    #[inline(always)]
    pub fn variant(self, variant: SRC_WIDTH_A) -> &'a mut W {
        unsafe { self.bits(variant.into()) }
    }
    #[doc = "the transfer size is set to 8-bit width"]
    #[inline(always)]
    pub fn byte(self) -> &'a mut W {
        self.variant(SRC_WIDTH_A::BYTE)
    }
    #[doc = "the transfer size is set to 16-bit width"]
    #[inline(always)]
    pub fn half_word(self) -> &'a mut W {
        self.variant(SRC_WIDTH_A::HALF_WORD)
    }
    #[doc = "the transfer size is set to 32-bit width"]
    #[inline(always)]
    pub fn word(self) -> &'a mut W {
        self.variant(SRC_WIDTH_A::WORD)
    }
    #[doc = r"Writes raw bits to the field"]
    #[inline(always)]
    pub unsafe fn bits(self, value: u8) -> &'a mut W {
        self.w.bits = (self.w.bits & !(0x03 << 24)) | (((value as u32) & 0x03) << 24);
        self.w
    }
}
#[doc = "Transfer Width for the Destination\n\nValue on reset: 0"]
#[derive(Clone, Copy, Debug, PartialEq)]
#[repr(u8)]
pub enum DST_WIDTH_A {
    #[doc = "0: the transfer size is set to 8-bit width"]
    BYTE = 0,
    #[doc = "1: the transfer size is set to 16-bit width"]
    HALF_WORD = 1,
    #[doc = "2: the transfer size is set to 32-bit width"]
    WORD = 2,
}
impl From<DST_WIDTH_A> for u8 {
    #[inline(always)]
    fn from(variant: DST_WIDTH_A) -> Self {
        variant as _
    }
}
#[doc = "Reader of field `DST_WIDTH`"]
pub type DST_WIDTH_R = crate::R<u8, DST_WIDTH_A>;
impl DST_WIDTH_R {
    #[doc = r"Get enumerated values variant"]
    #[inline(always)]
    pub fn variant(&self) -> crate::Variant<u8, DST_WIDTH_A> {
        use crate::Variant::*;
        match self.bits {
            0 => Val(DST_WIDTH_A::BYTE),
            1 => Val(DST_WIDTH_A::HALF_WORD),
            2 => Val(DST_WIDTH_A::WORD),
            i => Res(i),
        }
    }
    #[doc = "Checks if the value of the field is `BYTE`"]
    #[inline(always)]
    pub fn is_byte(&self) -> bool {
        *self == DST_WIDTH_A::BYTE
    }
    #[doc = "Checks if the value of the field is `HALF_WORD`"]
    #[inline(always)]
    pub fn is_half_word(&self) -> bool {
        *self == DST_WIDTH_A::HALF_WORD
    }
    #[doc = "Checks if the value of the field is `WORD`"]
    #[inline(always)]
    pub fn is_word(&self) -> bool {
        *self == DST_WIDTH_A::WORD
    }
}
#[doc = "Write proxy for field `DST_WIDTH`"]
pub struct DST_WIDTH_W<'a> {
    w: &'a mut W,
}
impl<'a> DST_WIDTH_W<'a> {
    #[doc = r"Writes `variant` to the field"]
    #[inline(always)]
    pub fn variant(self, variant: DST_WIDTH_A) -> &'a mut W {
        unsafe { self.bits(variant.into()) }
    }
    #[doc = "the transfer size is set to 8-bit width"]
    #[inline(always)]
    pub fn byte(self) -> &'a mut W {
        self.variant(DST_WIDTH_A::BYTE)
    }
    #[doc = "the transfer size is set to 16-bit width"]
    #[inline(always)]
    pub fn half_word(self) -> &'a mut W {
        self.variant(DST_WIDTH_A::HALF_WORD)
    }
    #[doc = "the transfer size is set to 32-bit width"]
    #[inline(always)]
    pub fn word(self) -> &'a mut W {
        self.variant(DST_WIDTH_A::WORD)
    }
    #[doc = r"Writes raw bits to the field"]
    #[inline(always)]
    pub unsafe fn bits(self, value: u8) -> &'a mut W {
        self.w.bits = (self.w.bits & !(0x03 << 28)) | (((value as u32) & 0x03) << 28);
        self.w
    }
}
#[doc = "Reader of field `DONE`"]
pub type DONE_R = crate::R<bool, bool>;
#[doc = "Write proxy for field `DONE`"]
pub struct DONE_W<'a> {
    w: &'a mut W,
}
impl<'a> DONE_W<'a> {
    #[doc = r"Sets the field bit"]
    #[inline(always)]
    pub fn set_bit(self) -> &'a mut W {
        self.bit(true)
    }
    #[doc = r"Clears the field bit"]
    #[inline(always)]
    pub fn clear_bit(self) -> &'a mut W {
        self.bit(false)
    }
    #[doc = r"Writes raw bits to the field"]
    #[inline(always)]
    pub fn bit(self, value: bool) -> &'a mut W {
        self.w.bits = (self.w.bits & !(0x01 << 31)) | (((value as u32) & 0x01) << 31);
        self.w
    }
}
impl R {
    #[doc = "Bits 0:15 - Buffer Transfer Size"]
    #[inline(always)]
    pub fn btsize(&self) -> BTSIZE_R {
        BTSIZE_R::new((self.bits & 0xffff) as u16)
    }
    #[doc = "Bits 24:25 - Transfer Width for the Source"]
    #[inline(always)]
    pub fn src_width(&self) -> SRC_WIDTH_R {
        SRC_WIDTH_R::new(((self.bits >> 24) & 0x03) as u8)
    }
    #[doc = "Bits 28:29 - Transfer Width for the Destination"]
    #[inline(always)]
    pub fn dst_width(&self) -> DST_WIDTH_R {
        DST_WIDTH_R::new(((self.bits >> 28) & 0x03) as u8)
    }
    #[doc = "Bit 31 - Current Descriptor Stop Command and Transfer Completed Memory Indicator"]
    #[inline(always)]
    pub fn done(&self) -> DONE_R {
        DONE_R::new(((self.bits >> 31) & 0x01) != 0)
    }
}
impl W {
    #[doc = "Bits 0:15 - Buffer Transfer Size"]
    #[inline(always)]
    pub fn btsize(&mut self) -> BTSIZE_W {
        BTSIZE_W { w: self }
    }
    #[doc = "Bits 24:25 - Transfer Width for the Source"]
    #[inline(always)]
    pub fn src_width(&mut self) -> SRC_WIDTH_W {
        SRC_WIDTH_W { w: self }
    }
    #[doc = "Bits 28:29 - Transfer Width for the Destination"]
    #[inline(always)]
    pub fn dst_width(&mut self) -> DST_WIDTH_W {
        DST_WIDTH_W { w: self }
    }
    #[doc = "Bit 31 - Current Descriptor Stop Command and Transfer Completed Memory Indicator"]
    #[inline(always)]
    pub fn done(&mut self) -> DONE_W {
        DONE_W { w: self }
    }
}