PROTOCOLS
Device
Defined in fuchsia.hardware.i2cimpl/i2cimpl.fidl
Low-level protocol for i2c drivers.
GetMaxTransferSize
Request
<EMPTY>
Response
| Name | Type |
|---|---|
payload |
Device_GetMaxTransferSize_Result
|
SetBitrate
Sets the bitrate for the i2c bus in KHz units.
Request
| Name | Type |
|---|---|
bitrate |
uint32
|
Response
| Name | Type |
|---|---|
payload |
Device_SetBitrate_Result
|
Transact
|Transact| assumes that write ops write_data length are not zero. |Transact| assumes that at least the last op has stop set to true.
For each read-transaction, there will be a corresponding ReadData returned. Write-transactions produce no data result.
Request
| Name | Type |
|---|---|
op |
vector<I2cImplOp>[256]
|
Response
| Name | Type |
|---|---|
payload |
Device_Transact_Result
|
STRUCTS
Device_GetMaxTransferSize_Response
Defined in fuchsia.hardware.i2cimpl/i2cimpl.fidl
| Field | Type | Description | Default |
|---|---|---|---|
size |
uint64
|
No default |
Device_SetBitrate_Response
Defined in fuchsia.hardware.i2cimpl/i2cimpl.fidl
<EMPTY>
Device_Transact_Response
Defined in fuchsia.hardware.i2cimpl/i2cimpl.fidl
| Field | Type | Description | Default |
|---|---|---|---|
read |
vector<ReadData>[256]
|
No default |
I2cImplOp
Defined in fuchsia.hardware.i2cimpl/i2cimpl.fidl
See Transact below for usage.
| Field | Type | Description | Default |
|---|---|---|---|
address |
uint16
|
No default | |
type |
I2cImplOpType
|
No default | |
stop |
bool
|
No default |
ReadData
Defined in fuchsia.hardware.i2cimpl/i2cimpl.fidl
The result of one read transaction.
| Field | Type | Description | Default |
|---|---|---|---|
data |
vector<uint8>[32768]
|
No default |
UNIONS
Device_GetMaxTransferSize_Result strict
Defined in fuchsia.hardware.i2cimpl/i2cimpl.fidl
| Ordinal | Variant | Type | Description |
|---|---|---|---|
1 |
response |
Device_GetMaxTransferSize_Response
|
|
2 |
err |
zx/Status
|
|
3 |
framework_err |
internal
|
Device_SetBitrate_Result strict
Defined in fuchsia.hardware.i2cimpl/i2cimpl.fidl
| Ordinal | Variant | Type | Description |
|---|---|---|---|
1 |
response |
Device_SetBitrate_Response
|
|
2 |
err |
zx/Status
|
|
3 |
framework_err |
internal
|
Device_Transact_Result strict
Defined in fuchsia.hardware.i2cimpl/i2cimpl.fidl
| Ordinal | Variant | Type | Description |
|---|---|---|---|
1 |
response |
Device_Transact_Response
|
|
2 |
err |
zx/Status
|
|
3 |
framework_err |
internal
|
I2cImplOpType strict
Defined in fuchsia.hardware.i2cimpl/i2cimpl.fidl
If read_size is set: This is a read operation and read_size bytes will be read.
If write_data is set: This is a write operation and write_data will be written.
| Ordinal | Variant | Type | Description |
|---|---|---|---|
1 |
read_size |
uint32
|
|
2 |
write_data |
vector<uint8>[32768]
|
SERVICES
Service
Defined in fuchsia.hardware.i2cimpl/i2cimpl.fidl
| Name | Type | Transport |
|---|---|---|
| device |
fuchsia.hardware.i2cimpl/Device
|
Driver |