Difference between revisions of "Raspberry Juice"
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The Raspberry Juice can be found using I2C or SPI at address 0xA4, and has the following read ports: |
The Raspberry Juice can be found using I2C or SPI at address 0xA4, and has the following read ports: |
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! Port !! Returned value |
! Port !! Returned value (in milliseconds) |
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| 0x20 || Time until power off |
| 0x20 || Time until power off |
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| 0x21 || Time until power on |
| 0x21 || Time until power on |
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| 0x30 || Absolute scheduled time of power off |
| 0x30 || Absolute scheduled time of power off |
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| 0x31 || Absolute scheduled time of power on |
| 0x31 || Absolute scheduled time of power on |
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Additionally, the following can be written to the Juice: |
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! Port !! Effect |
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| 0x20 || Set the time in milliseconds until power off |
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| 0x21 || Set the time in milliseconds until power on |
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Revision as of 18:05, 9 July 2014
Overview
The Raspberry Juice serves as a power switch for the Raspberry Pi. This expansion board can turn the power on or off at a scheduled time.
Use
The Raspberry Juice can be found using I2C or SPI at address 0xA4, and has the following read ports:
| Port | Returned value (in milliseconds) |
|---|---|
| 0x20 | Time until power off |
| 0x21 | Time until power on |
Additionally, the following can be written to the Juice:
| Port | Effect |
|---|---|
| 0x20 | Set the time in milliseconds until power off |
| 0x21 | Set the time in milliseconds until power on |