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
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
#[doc = r" Value read from the register"]
pub struct R {
    bits: u32,
}
#[doc = r" Value to write to the register"]
pub struct W {
    bits: u32,
}
impl super::CTL {
    #[doc = r" Modifies the contents of the register"]
    #[inline]
    pub fn modify<F>(&self, f: F)
    where
        for<'w> F: FnOnce(&R, &'w mut W) -> &'w mut W,
    {
        let bits = self.register.get();
        let r = R { bits: bits };
        let mut w = W { bits: bits };
        f(&r, &mut w);
        self.register.set(w.bits);
    }
    #[doc = r" Reads the contents of the register"]
    #[inline]
    pub fn read(&self) -> R {
        R {
            bits: self.register.get(),
        }
    }
    #[doc = r" Writes to the register"]
    #[inline]
    pub fn write<F>(&self, f: F)
    where
        F: FnOnce(&mut W) -> &mut W,
    {
        let mut w = W::reset_value();
        f(&mut w);
        self.register.set(w.bits);
    }
    #[doc = r" Writes the reset value to the register"]
    #[inline]
    pub fn reset(&self) {
        self.write(|w| w)
    }
}
#[doc = r" Value of the field"]
pub struct STARTUP_CYCLESR {
    bits: u16,
}
impl STARTUP_CYCLESR {
    #[doc = r" Value of the field as raw bits"]
    #[inline]
    pub fn bits(&self) -> u16 {
        self.bits
    }
}
#[doc = r" Value of the field"]
pub struct RESERVED11R {
    bits: u8,
}
impl RESERVED11R {
    #[doc = r" Value of the field as raw bits"]
    #[inline]
    pub fn bits(&self) -> u8 {
        self.bits
    }
}
#[doc = r" Value of the field"]
pub struct TRNG_ENR {
    bits: bool,
}
impl TRNG_ENR {
    #[doc = r" Value of the field as raw bits"]
    #[inline]
    pub fn bit(&self) -> bool {
        self.bits
    }
    #[doc = r" Returns `true` if the bit is clear (0)"]
    #[inline]
    pub fn bit_is_clear(&self) -> bool {
        !self.bit()
    }
    #[doc = r" Returns `true` if the bit is set (1)"]
    #[inline]
    pub fn bit_is_set(&self) -> bool {
        self.bit()
    }
}
#[doc = r" Value of the field"]
pub struct RESERVED3R {
    bits: u8,
}
impl RESERVED3R {
    #[doc = r" Value of the field as raw bits"]
    #[inline]
    pub fn bits(&self) -> u8 {
        self.bits
    }
}
#[doc = r" Value of the field"]
pub struct NO_LFSR_FBR {
    bits: bool,
}
impl NO_LFSR_FBR {
    #[doc = r" Value of the field as raw bits"]
    #[inline]
    pub fn bit(&self) -> bool {
        self.bits
    }
    #[doc = r" Returns `true` if the bit is clear (0)"]
    #[inline]
    pub fn bit_is_clear(&self) -> bool {
        !self.bit()
    }
    #[doc = r" Returns `true` if the bit is set (1)"]
    #[inline]
    pub fn bit_is_set(&self) -> bool {
        self.bit()
    }
}
#[doc = r" Value of the field"]
pub struct TEST_MODER {
    bits: bool,
}
impl TEST_MODER {
    #[doc = r" Value of the field as raw bits"]
    #[inline]
    pub fn bit(&self) -> bool {
        self.bits
    }
    #[doc = r" Returns `true` if the bit is clear (0)"]
    #[inline]
    pub fn bit_is_clear(&self) -> bool {
        !self.bit()
    }
    #[doc = r" Returns `true` if the bit is set (1)"]
    #[inline]
    pub fn bit_is_set(&self) -> bool {
        self.bit()
    }
}
#[doc = r" Value of the field"]
pub struct RESERVED0R {
    bits: bool,
}
impl RESERVED0R {
    #[doc = r" Value of the field as raw bits"]
    #[inline]
    pub fn bit(&self) -> bool {
        self.bits
    }
    #[doc = r" Returns `true` if the bit is clear (0)"]
    #[inline]
    pub fn bit_is_clear(&self) -> bool {
        !self.bit()
    }
    #[doc = r" Returns `true` if the bit is set (1)"]
    #[inline]
    pub fn bit_is_set(&self) -> bool {
        self.bit()
    }
}
#[doc = r" Proxy"]
pub struct _STARTUP_CYCLESW<'a> {
    w: &'a mut W,
}
impl<'a> _STARTUP_CYCLESW<'a> {
    #[doc = r" Writes raw bits to the field"]
    #[inline]
    pub unsafe fn bits(self, value: u16) -> &'a mut W {
        const MASK: u16 = 65535;
        const OFFSET: u8 = 16;
        self.w.bits &= !((MASK as u32) << OFFSET);
        self.w.bits |= ((value & MASK) as u32) << OFFSET;
        self.w
    }
}
#[doc = r" Proxy"]
pub struct _RESERVED11W<'a> {
    w: &'a mut W,
}
impl<'a> _RESERVED11W<'a> {
    #[doc = r" Writes raw bits to the field"]
    #[inline]
    pub unsafe fn bits(self, value: u8) -> &'a mut W {
        const MASK: u8 = 31;
        const OFFSET: u8 = 11;
        self.w.bits &= !((MASK as u32) << OFFSET);
        self.w.bits |= ((value & MASK) as u32) << OFFSET;
        self.w
    }
}
#[doc = r" Proxy"]
pub struct _TRNG_ENW<'a> {
    w: &'a mut W,
}
impl<'a> _TRNG_ENW<'a> {
    #[doc = r" Sets the field bit"]
    pub fn set_bit(self) -> &'a mut W {
        self.bit(true)
    }
    #[doc = r" Clears the field bit"]
    pub fn clear_bit(self) -> &'a mut W {
        self.bit(false)
    }
    #[doc = r" Writes raw bits to the field"]
    #[inline]
    pub fn bit(self, value: bool) -> &'a mut W {
        const MASK: bool = true;
        const OFFSET: u8 = 10;
        self.w.bits &= !((MASK as u32) << OFFSET);
        self.w.bits |= ((value & MASK) as u32) << OFFSET;
        self.w
    }
}
#[doc = r" Proxy"]
pub struct _RESERVED3W<'a> {
    w: &'a mut W,
}
impl<'a> _RESERVED3W<'a> {
    #[doc = r" Writes raw bits to the field"]
    #[inline]
    pub unsafe fn bits(self, value: u8) -> &'a mut W {
        const MASK: u8 = 127;
        const OFFSET: u8 = 3;
        self.w.bits &= !((MASK as u32) << OFFSET);
        self.w.bits |= ((value & MASK) as u32) << OFFSET;
        self.w
    }
}
#[doc = r" Proxy"]
pub struct _NO_LFSR_FBW<'a> {
    w: &'a mut W,
}
impl<'a> _NO_LFSR_FBW<'a> {
    #[doc = r" Sets the field bit"]
    pub fn set_bit(self) -> &'a mut W {
        self.bit(true)
    }
    #[doc = r" Clears the field bit"]
    pub fn clear_bit(self) -> &'a mut W {
        self.bit(false)
    }
    #[doc = r" Writes raw bits to the field"]
    #[inline]
    pub fn bit(self, value: bool) -> &'a mut W {
        const MASK: bool = true;
        const OFFSET: u8 = 2;
        self.w.bits &= !((MASK as u32) << OFFSET);
        self.w.bits |= ((value & MASK) as u32) << OFFSET;
        self.w
    }
}
#[doc = r" Proxy"]
pub struct _TEST_MODEW<'a> {
    w: &'a mut W,
}
impl<'a> _TEST_MODEW<'a> {
    #[doc = r" Sets the field bit"]
    pub fn set_bit(self) -> &'a mut W {
        self.bit(true)
    }
    #[doc = r" Clears the field bit"]
    pub fn clear_bit(self) -> &'a mut W {
        self.bit(false)
    }
    #[doc = r" Writes raw bits to the field"]
    #[inline]
    pub fn bit(self, value: bool) -> &'a mut W {
        const MASK: bool = true;
        const OFFSET: u8 = 1;
        self.w.bits &= !((MASK as u32) << OFFSET);
        self.w.bits |= ((value & MASK) as u32) << OFFSET;
        self.w
    }
}
#[doc = r" Proxy"]
pub struct _RESERVED0W<'a> {
    w: &'a mut W,
}
impl<'a> _RESERVED0W<'a> {
    #[doc = r" Sets the field bit"]
    pub fn set_bit(self) -> &'a mut W {
        self.bit(true)
    }
    #[doc = r" Clears the field bit"]
    pub fn clear_bit(self) -> &'a mut W {
        self.bit(false)
    }
    #[doc = r" Writes raw bits to the field"]
    #[inline]
    pub fn bit(self, value: bool) -> &'a mut W {
        const MASK: bool = true;
        const OFFSET: u8 = 0;
        self.w.bits &= !((MASK as u32) << OFFSET);
        self.w.bits |= ((value & MASK) as u32) << OFFSET;
        self.w
    }
}
impl R {
    #[doc = r" Value of the register as raw bits"]
    #[inline]
    pub fn bits(&self) -> u32 {
        self.bits
    }
    #[doc = "Bits 16:31 - 31:16\\] This field determines the number of samples (between 2^8 and 2^24) taken to gather entropy from the FROs during startup. If the written value of this field is zero, the number of samples is 2^24, otherwise the number of samples equals the written value times 2^8. 0x0000: 2^24 samples 0x0001: 1*2^8 samples 0x0002: 2*2^8 samples 0x0003: 3*2^8 samples ... 0x8000: 32768*2^8 samples 0xC000: 49152*2^8 samples ... 0xFFFF: 65535*2^8 samples This field can only be modified while TRNG_EN is 0. If 1 an update will be ignored."]
    #[inline]
    pub fn startup_cycles(&self) -> STARTUP_CYCLESR {
        let bits = {
            const MASK: u16 = 65535;
            const OFFSET: u8 = 16;
            ((self.bits >> OFFSET) & MASK as u32) as u16
        };
        STARTUP_CYCLESR { bits }
    }
    #[doc = "Bits 11:15 - 15:11\\] Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior."]
    #[inline]
    pub fn reserved11(&self) -> RESERVED11R {
        let bits = {
            const MASK: u8 = 31;
            const OFFSET: u8 = 11;
            ((self.bits >> OFFSET) & MASK as u32) as u8
        };
        RESERVED11R { bits }
    }
    #[doc = "Bit 10 - 10:10\\] 0: Forces all TRNG logic back into the idle state immediately. 1: Starts TRNG, gathering entropy from the FROs for the number of samples determined by STARTUP_CYCLES."]
    #[inline]
    pub fn trng_en(&self) -> TRNG_ENR {
        let bits = {
            const MASK: bool = true;
            const OFFSET: u8 = 10;
            ((self.bits >> OFFSET) & MASK as u32) != 0
        };
        TRNG_ENR { bits }
    }
    #[doc = "Bits 3:9 - 9:3\\] Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior."]
    #[inline]
    pub fn reserved3(&self) -> RESERVED3R {
        let bits = {
            const MASK: u8 = 127;
            const OFFSET: u8 = 3;
            ((self.bits >> OFFSET) & MASK as u32) as u8
        };
        RESERVED3R { bits }
    }
    #[doc = "Bit 2 - 2:2\\] 1: Remove XNOR feedback from the main LFSR, converting it into a normal shift register for the XOR-ed outputs of the FROs (shifting data in on the LSB side). A '1' also forces the LFSR to sample continuously. This bit can only be set to '1' when TEST_MODE is also set to '1' and should not be used for other than test purposes"]
    #[inline]
    pub fn no_lfsr_fb(&self) -> NO_LFSR_FBR {
        let bits = {
            const MASK: bool = true;
            const OFFSET: u8 = 2;
            ((self.bits >> OFFSET) & MASK as u32) != 0
        };
        NO_LFSR_FBR { bits }
    }
    #[doc = "Bit 1 - 1:1\\] 1: Enables access to the TESTCNT and LFSR0/LFSR1/LFSR2 registers (the latter are automatically cleared before enabling access) and keeps IRQFLAGSTAT.NEED_CLOCK at '1'. This bit shall not be used unless you need to change the LFSR seed prior to creating a new random value. All other testing is done external to register control."]
    #[inline]
    pub fn test_mode(&self) -> TEST_MODER {
        let bits = {
            const MASK: bool = true;
            const OFFSET: u8 = 1;
            ((self.bits >> OFFSET) & MASK as u32) != 0
        };
        TEST_MODER { bits }
    }
    #[doc = "Bit 0 - 0:0\\] Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior."]
    #[inline]
    pub fn reserved0(&self) -> RESERVED0R {
        let bits = {
            const MASK: bool = true;
            const OFFSET: u8 = 0;
            ((self.bits >> OFFSET) & MASK as u32) != 0
        };
        RESERVED0R { bits }
    }
}
impl W {
    #[doc = r" Reset value of the register"]
    #[inline]
    pub fn reset_value() -> W {
        W { bits: 0 }
    }
    #[doc = r" Writes raw bits to the register"]
    #[inline]
    pub unsafe fn bits(&mut self, bits: u32) -> &mut Self {
        self.bits = bits;
        self
    }
    #[doc = "Bits 16:31 - 31:16\\] This field determines the number of samples (between 2^8 and 2^24) taken to gather entropy from the FROs during startup. If the written value of this field is zero, the number of samples is 2^24, otherwise the number of samples equals the written value times 2^8. 0x0000: 2^24 samples 0x0001: 1*2^8 samples 0x0002: 2*2^8 samples 0x0003: 3*2^8 samples ... 0x8000: 32768*2^8 samples 0xC000: 49152*2^8 samples ... 0xFFFF: 65535*2^8 samples This field can only be modified while TRNG_EN is 0. If 1 an update will be ignored."]
    #[inline]
    pub fn startup_cycles(&mut self) -> _STARTUP_CYCLESW {
        _STARTUP_CYCLESW { w: self }
    }
    #[doc = "Bits 11:15 - 15:11\\] Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior."]
    #[inline]
    pub fn reserved11(&mut self) -> _RESERVED11W {
        _RESERVED11W { w: self }
    }
    #[doc = "Bit 10 - 10:10\\] 0: Forces all TRNG logic back into the idle state immediately. 1: Starts TRNG, gathering entropy from the FROs for the number of samples determined by STARTUP_CYCLES."]
    #[inline]
    pub fn trng_en(&mut self) -> _TRNG_ENW {
        _TRNG_ENW { w: self }
    }
    #[doc = "Bits 3:9 - 9:3\\] Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior."]
    #[inline]
    pub fn reserved3(&mut self) -> _RESERVED3W {
        _RESERVED3W { w: self }
    }
    #[doc = "Bit 2 - 2:2\\] 1: Remove XNOR feedback from the main LFSR, converting it into a normal shift register for the XOR-ed outputs of the FROs (shifting data in on the LSB side). A '1' also forces the LFSR to sample continuously. This bit can only be set to '1' when TEST_MODE is also set to '1' and should not be used for other than test purposes"]
    #[inline]
    pub fn no_lfsr_fb(&mut self) -> _NO_LFSR_FBW {
        _NO_LFSR_FBW { w: self }
    }
    #[doc = "Bit 1 - 1:1\\] 1: Enables access to the TESTCNT and LFSR0/LFSR1/LFSR2 registers (the latter are automatically cleared before enabling access) and keeps IRQFLAGSTAT.NEED_CLOCK at '1'. This bit shall not be used unless you need to change the LFSR seed prior to creating a new random value. All other testing is done external to register control."]
    #[inline]
    pub fn test_mode(&mut self) -> _TEST_MODEW {
        _TEST_MODEW { w: self }
    }
    #[doc = "Bit 0 - 0:0\\] Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior."]
    #[inline]
    pub fn reserved0(&mut self) -> _RESERVED0W {
        _RESERVED0W { w: self }
    }
}