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Add separate start, stop bits and running status bit in API

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Signed-off-by: Joachim Strömbergson <joachim@assured.se>
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Joachim Strömbergson 2023-01-23 13:47:04 +01:00 • committed by Daniel Lublin
parent ab03ebd12c
commit 6137b88fe0
5 changed files with 107 additions and 85 deletions
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7
doc/system_description/software.md
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@ -496,9 +496,10 @@ Assigned core prefixes:
|-------------------|-------|-----------|--------|----------|-----------|-------------------------------------------------------------------------|
| `TRNG_STATUS` | r | r | | | | TRNG_STATUS_READY_BIT is 1 when an entropy word is available. |
| `TRNG_ENTROPY` | r | r | 4B | u32 | | Entropy word. Reading a word will clear status. |
| `TIMER_CTRL` | r/w | r/w | | | | If TIMER_STATUS_READY_BIT in TIMER_STATUS is 1, writing anything here |
| | | | | | | starts the timer. If the same bit is 0 then writing stops the timer. |
| `TIMER_STATUS` | r | r | | | | TIMER_STATUS_READY_BIT is 1 when timer is ready to start running. |
| `TIMER_CTRL` | r/w | r/w | | | | If TIMER_STATUS_RUNNING_BIT in TIMER_STATUS is 0, setting bit 0 starts |
| | | | | | | starts the timer. If the TIMER_STATUS_RUNNING_BIT is 1, setting bit 1 |
| | | | | | | stops the timer. |
| `TIMER_STATUS` | r | r | | | | TIMER_STATUS_RUNNING_BIT is 1 when the timer is running. |
| `TIMER_PRESCALER` | r/w | r/w | 4B | | | Prescaler init value. Write blocked when running. |
| `TIMER_TIMER` | r/w | r/w | 4B | | | Timer init or current value while running. Write blocked when running. |
| `UDS_FIRST` | r[^3] | invisible | 4B | u8[32] | | First word of Unique Device Secret key. |