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EEPROM » Historie » Version 2

Redmine Admin, 06.12.2021 11:14

1 1 Redmine Admin
h1. EEPROM
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The STM32L011x4 has 512Bytes EEPROM
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Campo spezifies 0x20 bytes of HWData, 0x20 Bytes of Board specific stuff, and 2*0x20 config data.
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Page size (erase size) of EEPROM is 4 bytes.
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Retain block is 8 Bytes, so still 0x18 Bytes for I2C-EEPROM-compatible layout.
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h2. Variant/Flags from HW-Data
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|_.Bits |_.Description                                          |
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| 0..3  | used MCU: 0=STM32L011x4                               |
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| 4..7  | model: 0=regular Miniminutnik, 1=Corona airing timer  |
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h2. Board-Data
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|_.Offset |_.Size |_.Description               |
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| 0x0     | 1     | MCU                        |
18 2 Redmine Admin
| 0x1     | 1     | Number of leds available   |
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| 0x2     | 1     | Housing Variant            |
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h2. Configurating
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|_.Offset |_.Size |_.Description                  |
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| 0x0     | 1     | Mode                          |
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| 0x1     | 1     | Number of slots               |
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| 0x2     | 1     | Sound                         |
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| 0x3     | 1     | Reserved                      |
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| 0x4     | 2     | Slot 1: Time in sec(espresso) |
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| 0x6     | 2     | Slot 2: Time (Egg)            |
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| 0x8     | 2     | Slot 3: Time (Weisswurst)     |
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| 0xA     | 2     | Slot 4: Time (Nudeln 1)       |
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| 0xC     | 2     | Slot 5: Time (Nudeln 2)       |
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| 0xE     | 2     | Slot 6: -                     |
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| 0x10    | 4     | long time 1 depending on mode |
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| 0x14    | 4     | long time 2 depending on mode |
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| 0x18    | -     |                               |
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4 bytes gives a range > 24h.