ENUMS
GpioButtonId flexible
Type: uint32
Defined in fuchsia.buttons/gpio_buttons.fidl
All possible IDs of a button.
Name | Value | Description |
---|---|---|
VOLUME_UP |
0 |
|
VOLUME_DOWN |
1 |
|
FDR |
2 |
|
MIC_MUTE |
3 |
|
PLAY_PAUSE |
4 |
|
KEY_A |
5 |
|
KEY_M |
6 |
|
CAM_MUTE |
7 |
|
MIC_AND_CAM_MUTE |
8 |
|
FUNCTION |
9 |
|
POWER |
10 |
TABLES
AdcButtonConfig
Defined in fuchsia.buttons/adc_buttons.fidl
Analog-to-Digital Converter Buttons
Ordinal | Field | Type | Description |
---|---|---|---|
1 |
channel_idx |
uint32
|
ADC Channel Index to read button value on. |
2 |
release_threshold |
uint32
|
If press_threshold <= value <= release_threshold, button is pressed. Otherwise, not pressed. |
3 |
press_threshold |
uint32
|
AdcButtonsMetadata
Defined in fuchsia.buttons/adc_buttons.fidl
Ordinal | Field | Type | Description |
---|---|---|---|
1 |
polling_rate_usec |
uint32
|
Polling Rate in usec if exists. |
2 |
buttons |
vector<Button>
|
Buttons. |
Button
Defined in fuchsia.buttons/adc_buttons.fidl
Ordinal | Field | Type | Description |
---|---|---|---|
1 |
types |
vector<fuchsia.input.report/ConsumerControlButton>
|
Button Types. A single button may affect multiple things and thus have multiple functionalities. For example, a privacy switch that mutes both the camera and mic may map to the combination of fuchsia.input.report.ConsumerControlButton.MIC_MUTE and CAMERA_DISABLE. |
2 |
button_config |
ButtonConfig
|
Button Config. |
DirectGpioButton
Defined in fuchsia.buttons/gpio_buttons.fidl
Configuration for a direct gpio button where the state of the button is represented by the value of a gpio.
Ordinal | Field | Type | Description |
---|
GpioButtonConfig
Defined in fuchsia.buttons/gpio_buttons.fidl
Configuration information of a button that uses gpios to function.
Ordinal | Field | Type | Description |
---|---|---|---|
1 |
type |
GpioButtonType
|
|
2 |
gpio_a_index |
uint8
|
Index of gpio A used. |
3 |
gpio_delay |
zx/Duration
|
For settling during matrix scan. |
4 |
id |
GpioButtonId
|
ID of the button. |
GpioButtonsMetadata
Defined in fuchsia.buttons/gpio_buttons.fidl
Ordinal | Field | Type | Description |
---|---|---|---|
1 |
buttons |
vector<GpioButtonConfig>
|
Configuration information for buttons that require gpio to function. |
2 |
gpios |
vector<GpioConfig>
|
Configuration information for the gpios used by |buttons|. |
GpioConfig
Defined in fuchsia.buttons/gpio_buttons.fidl
Configuration information of a gpio used by a button.
Ordinal | Field | Type | Description |
---|---|---|---|
1 |
type |
GpioType
|
The type of the gpio pin. |
2 |
flags |
GpioFlag
|
The flags of the gpio pin. |
InterruptGpio
Defined in fuchsia.buttons/gpio_buttons.fidl
Gpio pin will trigger an interrupt when its value has changed.
Ordinal | Field | Type | Description |
---|
MatrixGpioButton
Defined in fuchsia.buttons/gpio_buttons.fidl
Configuration for a matrix gpio button.
Ordinal | Field | Type | Description |
---|---|---|---|
1 |
gpio_b_index |
uint8
|
Index of gpio B (column) used. Gpio type must be |
MatrixOutputGpio
Defined in fuchsia.buttons/gpio_buttons.fidl
Gpio pin's value continuously cycles through a row or column of a matrix of values that usually represent a matrix of the states of buttons/components.
Ordinal | Field | Type | Description |
---|---|---|---|
1 |
output_value |
uint8
|
Determines the buffer mode of the gpio. A value of 0 is output-low and anything else is output-high. |
PollGpio
Defined in fuchsia.buttons/gpio_buttons.fidl
Gpio pin is constantly polled for its value.
Ordinal | Field | Type | Description |
---|---|---|---|
1 |
period |
zx/Duration
|
Time between each poll. |
UNIONS
ButtonConfig flexible
Defined in fuchsia.buttons/adc_buttons.fidl
Ordinal | Variant | Type | Description |
---|---|---|---|
1 |
adc |
AdcButtonConfig
|
ADC Buttons. |
GpioButtonType flexible
Defined in fuchsia.buttons/gpio_buttons.fidl
Type of button.
Ordinal | Variant | Type | Description |
---|---|---|---|
1 |
direct |
DirectGpioButton
|
|
2 |
matrix |
MatrixGpioButton
|
GpioType flexible
Defined in fuchsia.buttons/gpio_buttons.fidl
The type of gpio.
Ordinal | Variant | Type | Description |
---|---|---|---|
1 |
interrupt |
InterruptGpio
|
|
2 |
matrix_output |
MatrixOutputGpio
|
|
3 |
poll |
PollGpio
|
BITS
GpioFlag flexible
Type: uint32
Defined in fuchsia.buttons/gpio_buttons.fidl
Flags for configuriung gpio pin.
Name | Value | Description |
---|---|---|
INVERTED |
128 | Invert the gpio's signal. |
WAKE_VECTOR |
64 | Use the gpio as a wake vector. |
CONSTANTS
Name | Value | Type | Description |
---|---|---|---|
MAX_GPIO_BUTTON_ID_ORD |
11
|
uint32 |
Maximum ordinal that GpioButtonId can be. |