SPI Services
Jump to navigation
Jump to search
SPI Services[edit]
- "SPI::NOR" (used by cfg:NOR)
- "SPI::CD2" (used by Codec Services)
- "SPI::CS2"
- "SPI::CS3"
- "SPI::DEF"
There can only be 5 sessions open total, with 1 per service. When there's already a session open for the target service(with session_count<5), SPI-module will wait for the original thread to terminate(triggered by the session closing), then start a new thread.
SPI Service Commands[edit]
Command Header | Description |
---|---|
0x0001.... | SetDeviceState(u8 deviceid, u8 state) |
0x0002.... | Stubbed, only returns zero. |
0x00030100 | ReadWriteDevice(u8 deviceid, ...) |
0x00040500 | ReadWriteDevice2(u8 deviceid, ...) |
0x0005.... | WriteDevice(u8 deviceid, ...) |
0x00060102 | ReadWriteDeviceArray(u8 deviceid, ...) |
0x00070102 | ReadWriteDevice2Array(u8 deviceid, ...) |
0x000800C0 | EnableSpiBus(u8 deviceid, bool onoff, u8 state) |
0x00090040 | EnableTwlSpiBus?(bool onoff) |
0,1,2: 0x1EC60800 3,4,5: 0x1EC42800 6: 0x1EC43800