Wiki » Historie » Version 4
Maximilian Seesslen, 24.01.2023 12:32
| 1 | 1 | Maximilian Seesslen | h1. Wiki |
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| 3 | 2 | Maximilian Seesslen | STM32L431RCT6 with QUAD-SPI-Flash (Memory-mapped) and SD-Card-Slot. |
| 4 | "MCU":https://www.st.com/resource/en/datasheet/stm32l431rc.pdf |
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| 5 | |||
| 6 | 1 | Maximilian Seesslen | [[Eval]] |
| 7 | 3 | Maximilian Seesslen | * The block size is 512 Bytes; it will be erased automatically? |
| 8 | * plain ascii: "2012-06-01 01:00, 1, 3" |
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| 9 | ** quite difficult to find the end. |
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| 10 | ** need to manipulate it afterwards for gnuplot anyway |
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| 11 | |||
| 12 | * Record any received object vs. perooidically log all objects |
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| 13 | ** Replay would need all received objects |
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| 14 | * Bind it to TDT? |
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| 15 | |||
| 16 | Header |
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| 17 | 1B Magick 'B' |
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| 18 | 1B Number of Stamps |
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| 19 | 2B reserved |
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| 20 | 4B Block number |
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| 21 | 4B CRC32 |
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| 22 | |||
| 23 | 1B Magick 'S' |
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| 24 | 2B Year |
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| 25 | 1B Month |
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| 26 | 1B Day |
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| 27 | 1B Your |
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| 28 | 1B Minute |
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| 29 | 1B Second |
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| 30 | --- 8B |
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| 31 | 4B Node |
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| 32 | 4B Object |
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| 33 | 1B Data Unit |
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| 34 | 1B Data Type |
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| 35 | 4B Value |
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| 36 | |||
| 37 | Ca. 0x20 Bytes per stamp; 16 Stamps per block |
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| 38 | |||
| 39 | h1. Todos |
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| 40 | |||
| 41 | * Behaviour of erasing/writing |
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| 42 | ** I can only write complete block/512B? |
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| 43 | |||
| 44 | 4 | Maximilian Seesslen | |
| 45 | 3 | Maximilian Seesslen | h1. Dump |
| 46 | * Filter Node-ID and Object |
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| 47 | |||
| 48 | h1. |
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| 49 | |||
| 50 | * Start with start-block from config if available |
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| 51 | * Search first free block |
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| 52 | * Store it in config |