go-api-bindings: github.com/Tinkerforge/go-api-bindings/oled_128x64_v2_bricklet Index | Files

package oled_128x64_v2_bricklet

import "github.com/Tinkerforge/go-api-bindings/oled_128x64_v2_bricklet"

3.3cm (1.3") OLED display with 128x64 pixels.

See also the documentation here: https://www.tinkerforge.com/en/doc/Software/Bricklets/OLED128x64V2_Bricklet_Go.html.

Index

Package Files

oled_128x64_v2_bricklet.go

Constants

const DeviceDisplayName = "OLED 128x64 Bricklet 2.0"
const DeviceIdentifier = 2112

type BootloaderMode Uses

type BootloaderMode = uint8
const (
    BootloaderModeBootloader                    BootloaderMode = 0
    BootloaderModeFirmware                      BootloaderMode = 1
    BootloaderModeBootloaderWaitForReboot       BootloaderMode = 2
    BootloaderModeFirmwareWaitForReboot         BootloaderMode = 3
    BootloaderModeFirmwareWaitForEraseAndReboot BootloaderMode = 4
)

type BootloaderStatus Uses

type BootloaderStatus = uint8
const (
    BootloaderStatusOK                        BootloaderStatus = 0
    BootloaderStatusInvalidMode               BootloaderStatus = 1
    BootloaderStatusNoChange                  BootloaderStatus = 2
    BootloaderStatusEntryFunctionNotPresent   BootloaderStatus = 3
    BootloaderStatusDeviceIdentifierIncorrect BootloaderStatus = 4
    BootloaderStatusCRCMismatch               BootloaderStatus = 5
)

type Function Uses

type Function = uint8
const (
    FunctionWritePixelsLowLevel     Function = 1
    FunctionReadPixelsLowLevel      Function = 2
    FunctionClearDisplay            Function = 3
    FunctionSetDisplayConfiguration Function = 4
    FunctionGetDisplayConfiguration Function = 5
    FunctionWriteLine               Function = 6
    FunctionDrawBufferedFrame       Function = 7
    FunctionGetSPITFPErrorCount     Function = 234
    FunctionSetBootloaderMode       Function = 235
    FunctionGetBootloaderMode       Function = 236
    FunctionSetWriteFirmwarePointer Function = 237
    FunctionWriteFirmware           Function = 238
    FunctionSetStatusLEDConfig      Function = 239
    FunctionGetStatusLEDConfig      Function = 240
    FunctionGetChipTemperature      Function = 242
    FunctionReset                   Function = 243
    FunctionWriteUID                Function = 248
    FunctionReadUID                 Function = 249
    FunctionGetIdentity             Function = 255
)

type OLED128x64V2Bricklet Uses

type OLED128x64V2Bricklet struct {
    // contains filtered or unexported fields
}

func New Uses

func New(uid string, ipcon *ipconnection.IPConnection) (OLED128x64V2Bricklet, error)

Creates an object with the unique device ID `uid`. This object can then be used after the IP Connection `ipcon` is connected.

func (*OLED128x64V2Bricklet) ClearDisplay Uses

func (device *OLED128x64V2Bricklet) ClearDisplay() (err error)

Clears the complete content of the display.

If automatic draw is enabled (default) the pixels are directly cleared.

If automatic draw is disabled the the internal buffer is cleared and the buffer is transferred to the display only after DrawBufferedFrame is called. This can be used to avoid flicker when drawing a complex frame in multiple steps.

Automatic draw can be configured with the SetDisplayConfiguration function.

func (*OLED128x64V2Bricklet) DrawBufferedFrame Uses

func (device *OLED128x64V2Bricklet) DrawBufferedFrame(forceCompleteRedraw bool) (err error)

Draws the currently buffered frame. Normally each call of WritePixels and WriteLine draws directly onto the display. If you turn automatic draw off (SetDisplayConfiguration), the data is written in an internal buffer and only transferred to the display by calling this function. This can be used to avoid flicker when drawing a complex frame in multiple steps.

Set the `force complete redraw` to *true* to redraw the whole display instead of only the changed parts. Normally it should not be necessary to set this to *true*. It may only become necessary in case of stuck pixels because of errors.

func (*OLED128x64V2Bricklet) GetAPIVersion Uses

func (device *OLED128x64V2Bricklet) GetAPIVersion() [3]uint8

Returns the version of the API definition (major, minor, revision) implemented by this API bindings. This is neither the release version of this API bindings nor does it tell you anything about the represented Brick or Bricklet.

func (*OLED128x64V2Bricklet) GetBootloaderMode Uses

func (device *OLED128x64V2Bricklet) GetBootloaderMode() (mode BootloaderMode, err error)

Returns the current bootloader mode, see SetBootloaderMode.

Associated constants:

* BootloaderModeBootloader
* BootloaderModeFirmware
* BootloaderModeBootloaderWaitForReboot
* BootloaderModeFirmwareWaitForReboot
* BootloaderModeFirmwareWaitForEraseAndReboot

func (*OLED128x64V2Bricklet) GetChipTemperature Uses

func (device *OLED128x64V2Bricklet) GetChipTemperature() (temperature int16, err error)

Returns the temperature in °C as measured inside the microcontroller. The value returned is not the ambient temperature!

The temperature is only proportional to the real temperature and it has bad accuracy. Practically it is only useful as an indicator for temperature changes.

func (*OLED128x64V2Bricklet) GetDisplayConfiguration Uses

func (device *OLED128x64V2Bricklet) GetDisplayConfiguration() (contrast uint8, invert bool, automaticDraw bool, err error)

Returns the configuration as set by SetDisplayConfiguration.

func (*OLED128x64V2Bricklet) GetIdentity Uses

func (device *OLED128x64V2Bricklet) GetIdentity() (uid string, connectedUid string, position rune, hardwareVersion [3]uint8, firmwareVersion [3]uint8, deviceIdentifier uint16, err error)

Returns the UID, the UID where the Bricklet is connected to, the position, the hardware and firmware version as well as the device identifier.

The position can be 'a', 'b', 'c' or 'd'.

The device identifier numbers can be found `here <device_identifier>`. |device_identifier_constant|

func (*OLED128x64V2Bricklet) GetResponseExpected Uses

func (device *OLED128x64V2Bricklet) GetResponseExpected(functionID Function) (bool, error)

Returns the response expected flag for the function specified by the function ID parameter. It is true if the function is expected to send a response, false otherwise.

For getter functions this is enabled by default and cannot be disabled, because those functions will always send a response. For callback configuration functions it is enabled by default too, but can be disabled by SetResponseExpected. For setter functions it is disabled by default and can be enabled.

Enabling the response expected flag for a setter function allows to detect timeouts and other error conditions calls of this setter as well. The device will then send a response for this purpose. If this flag is disabled for a setter function then no response is send and errors are silently ignored, because they cannot be detected.

See SetResponseExpected for the list of function ID constants available for this function.

func (*OLED128x64V2Bricklet) GetSPITFPErrorCount Uses

func (device *OLED128x64V2Bricklet) GetSPITFPErrorCount() (errorCountAckChecksum uint32, errorCountMessageChecksum uint32, errorCountFrame uint32, errorCountOverflow uint32, err error)

Returns the error count for the communication between Brick and Bricklet.

The errors are divided into

* ACK checksum errors, * message checksum errors, * framing errors and * overflow errors.

The errors counts are for errors that occur on the Bricklet side. All Bricks have a similar function that returns the errors on the Brick side.

func (*OLED128x64V2Bricklet) GetStatusLEDConfig Uses

func (device *OLED128x64V2Bricklet) GetStatusLEDConfig() (config StatusLEDConfig, err error)

Returns the configuration as set by SetStatusLEDConfig

Associated constants:

* StatusLEDConfigOff
* StatusLEDConfigOn
* StatusLEDConfigShowHeartbeat
* StatusLEDConfigShowStatus

func (*OLED128x64V2Bricklet) ReadPixels Uses

func (device *OLED128x64V2Bricklet) ReadPixels(xStart uint8, yStart uint8, xEnd uint8, yEnd uint8) (pixels []bool, err error)

Reads pixels from the specified window.

The pixels are read from the window line by line top to bottom and each line is read from left to right.

If automatic draw is enabled (default) the pixels that are read are always the same that are shown on the display.

If automatic draw is disabled the pixels are read from the internal buffer (see DrawBufferedFrame).

Automatic draw can be configured with the SetDisplayConfiguration function.

func (*OLED128x64V2Bricklet) ReadPixelsLowLevel Uses

func (device *OLED128x64V2Bricklet) ReadPixelsLowLevel(xStart uint8, yStart uint8, xEnd uint8, yEnd uint8) (pixelsLength uint16, pixelsChunkOffset uint16, pixelsChunkData [480]bool, err error)

Reads pixels from the specified window.

The pixels are read from the window line by line top to bottom and each line is read from left to right.

If automatic draw is enabled (default) the pixels that are read are always the same that are shown on the display.

If automatic draw is disabled the pixels are read from the internal buffer (see DrawBufferedFrame).

Automatic draw can be configured with the SetDisplayConfiguration function.

func (*OLED128x64V2Bricklet) ReadUID Uses

func (device *OLED128x64V2Bricklet) ReadUID() (uid uint32, err error)

Returns the current UID as an integer. Encode as Base58 to get the usual string version.

func (*OLED128x64V2Bricklet) Reset Uses

func (device *OLED128x64V2Bricklet) Reset() (err error)

Calling this function will reset the Bricklet. All configurations will be lost.

After a reset you have to create new device objects, calling functions on the existing ones will result in undefined behavior!

func (*OLED128x64V2Bricklet) SetBootloaderMode Uses

func (device *OLED128x64V2Bricklet) SetBootloaderMode(mode BootloaderMode) (status BootloaderStatus, err error)

Sets the bootloader mode and returns the status after the requested mode change was instigated.

You can change from bootloader mode to firmware mode and vice versa. A change from bootloader mode to firmware mode will only take place if the entry function, device identifier and CRC are present and correct.

This function is used by Brick Viewer during flashing. It should not be necessary to call it in a normal user program.

Associated constants:

* BootloaderModeBootloader
* BootloaderModeFirmware
* BootloaderModeBootloaderWaitForReboot
* BootloaderModeFirmwareWaitForReboot
* BootloaderModeFirmwareWaitForEraseAndReboot
* BootloaderStatusOK
* BootloaderStatusInvalidMode
* BootloaderStatusNoChange
* BootloaderStatusEntryFunctionNotPresent
* BootloaderStatusDeviceIdentifierIncorrect
* BootloaderStatusCRCMismatch

func (*OLED128x64V2Bricklet) SetDisplayConfiguration Uses

func (device *OLED128x64V2Bricklet) SetDisplayConfiguration(contrast uint8, invert bool, automaticDraw bool) (err error)

Sets the configuration of the display.

You can set a contrast value from 0 to 255 and you can invert the color (white/black) of the display.

If automatic draw is set to *true*, the display is automatically updated with every call of WritePixels or WriteLine. If it is set to false, the changes are written into an internal buffer and only shown on the display after a call of DrawBufferedFrame.

func (*OLED128x64V2Bricklet) SetResponseExpected Uses

func (device *OLED128x64V2Bricklet) SetResponseExpected(functionID Function, responseExpected bool) error

Changes the response expected flag of the function specified by the function ID parameter. This flag can only be changed for setter (default value: false) and callback configuration functions (default value: true). For getter functions it is always enabled.

Enabling the response expected flag for a setter function allows to detect timeouts and other error conditions calls of this setter as well. The device will then send a response for this purpose. If this flag is disabled for a setter function then no response is send and errors are silently ignored, because they cannot be detected.

func (*OLED128x64V2Bricklet) SetResponseExpectedAll Uses

func (device *OLED128x64V2Bricklet) SetResponseExpectedAll(responseExpected bool)

Changes the response expected flag for all setter and callback configuration functions of this device at once.

func (*OLED128x64V2Bricklet) SetStatusLEDConfig Uses

func (device *OLED128x64V2Bricklet) SetStatusLEDConfig(config StatusLEDConfig) (err error)

Sets the status LED configuration. By default the LED shows communication traffic between Brick and Bricklet, it flickers once for every 10 received data packets.

You can also turn the LED permanently on/off or show a heartbeat.

If the Bricklet is in bootloader mode, the LED is will show heartbeat by default.

Associated constants:

* StatusLEDConfigOff
* StatusLEDConfigOn
* StatusLEDConfigShowHeartbeat
* StatusLEDConfigShowStatus

func (*OLED128x64V2Bricklet) SetWriteFirmwarePointer Uses

func (device *OLED128x64V2Bricklet) SetWriteFirmwarePointer(pointer uint32) (err error)

Sets the firmware pointer for WriteFirmware. The pointer has to be increased by chunks of size 64. The data is written to flash every 4 chunks (which equals to one page of size 256).

This function is used by Brick Viewer during flashing. It should not be necessary to call it in a normal user program.

func (*OLED128x64V2Bricklet) WriteFirmware Uses

func (device *OLED128x64V2Bricklet) WriteFirmware(data [64]uint8) (status uint8, err error)

Writes 64 Bytes of firmware at the position as written by SetWriteFirmwarePointer before. The firmware is written to flash every 4 chunks.

You can only write firmware in bootloader mode.

This function is used by Brick Viewer during flashing. It should not be necessary to call it in a normal user program.

func (*OLED128x64V2Bricklet) WriteLine Uses

func (device *OLED128x64V2Bricklet) WriteLine(line uint8, position uint8, text string) (err error)

Writes text to a specific line with a specific position. The text can have a maximum of 22 characters.

For example: (1, 10, Hello) will write *Hello* in the middle of the second line of the display.

The display uses a special 5x7 pixel charset. You can view the characters of the charset in Brick Viewer.

If automatic draw is enabled (default) the text is directly written to the screen. Only pixels that have actually changed are updated on the screen, the rest stays the same.

If automatic draw is disabled the text is written to an internal buffer and the buffer is transferred to the display only after DrawBufferedFrame is called. This can be used to avoid flicker when drawing a complex frame in multiple steps.

Automatic draw can be configured with the SetDisplayConfiguration function.

func (*OLED128x64V2Bricklet) WritePixels Uses

func (device *OLED128x64V2Bricklet) WritePixels(xStart uint8, yStart uint8, xEnd uint8, yEnd uint8, pixels []bool) (err error)

Writes pixels to the specified window.

The pixels are written into the window line by line top to bottom and each line is written from left to right.

If automatic draw is enabled (default) the pixels are directly written to the screen. Only pixels that have actually changed are updated on the screen, the rest stays the same.

If automatic draw is disabled the pixels are written to an internal buffer and the buffer is transferred to the display only after DrawBufferedFrame is called. This can be used to avoid flicker when drawing a complex frame in multiple steps.

Automatic draw can be configured with the SetDisplayConfiguration function.

func (*OLED128x64V2Bricklet) WritePixelsLowLevel Uses

func (device *OLED128x64V2Bricklet) WritePixelsLowLevel(xStart uint8, yStart uint8, xEnd uint8, yEnd uint8, pixelsLength uint16, pixelsChunkOffset uint16, pixelsChunkData [448]bool) (err error)

Writes pixels to the specified window.

The pixels are written into the window line by line top to bottom and each line is written from left to right.

If automatic draw is enabled (default) the pixels are directly written to the screen. Only pixels that have actually changed are updated on the screen, the rest stays the same.

If automatic draw is disabled the pixels are written to an internal buffer and the buffer is transferred to the display only after DrawBufferedFrame is called. This can be used to avoid flicker when drawing a complex frame in multiple steps.

Automatic draw can be configured with the SetDisplayConfiguration function.

func (*OLED128x64V2Bricklet) WriteUID Uses

func (device *OLED128x64V2Bricklet) WriteUID(uid uint32) (err error)

Writes a new UID into flash. If you want to set a new UID you have to decode the Base58 encoded UID string into an integer first.

We recommend that you use Brick Viewer to change the UID.

type StatusLEDConfig Uses

type StatusLEDConfig = uint8
const (
    StatusLEDConfigOff           StatusLEDConfig = 0
    StatusLEDConfigOn            StatusLEDConfig = 1
    StatusLEDConfigShowHeartbeat StatusLEDConfig = 2
    StatusLEDConfigShowStatus    StatusLEDConfig = 3
)

Package oled_128x64_v2_bricklet imports 4 packages (graph). Updated 2019-12-15. Refresh now. Tools for package owners.