Files
esdi/peripheral/devices/cdash_display.go
T

135 lines
2.7 KiB
Go

package devices
import (
"fmt"
"strconv"
helper "esdi/helpers"
"esdi/peripheral/types"
)
const (
newWindowCMDID types.Command = 3
destroyWindowCMDID types.Command = 4
)
var CDashDisplay = Device{
ID: CDashDisplayDevID,
Name: helper.B32("ESLabs CDashDisplay"),
API: map[string]DeviceCMD{
"new-window": {
Identifier: newWindowCMDID,
Name: "new-window",
Desc: "Creates a new window - pass the window name and dimensions",
ArgCheck: createWindowArgCheck,
Fn: createWindow,
},
"destroy-window": {
Identifier: destroyWindowCMDID,
Name: "destroy-window",
Desc: "Destroys a window by its ID",
ArgCheck: destroyWindowArgCheck,
Fn: destroyWindow,
},
},
}
func createWindowArgCheck(args []string) error {
if len(args) != 5 {
return fmt.Errorf("wrong parameters, got %d, want %d. "+
"Command asks for: x0 y0 width height title", len(args), 5)
}
return nil
}
func createWindow(dCMD *DeviceCMD, args []string) (types.Command, []byte, error) {
// Parse the command
// x0, y0, width, height, title # add other decorations later on
// fmt.Printf("%s command called: %+v\n", dCMD.GetName(), args)
type UIWindow struct {
X0 uint16
Y0 uint16
Width uint16
Height uint16
Title [32]byte
}
err := dCMD.ArgCheck(args)
if err != nil {
return 0, []byte{}, err
}
x0, err := strconv.ParseInt(args[0], 10, 0)
if err != nil {
return 0, []byte{}, err
}
y0, err := strconv.ParseInt(args[1], 10, 0)
if err != nil {
return 0, []byte{}, err
}
width, err := strconv.ParseInt(args[2], 10, 0)
if err != nil {
return 0, []byte{}, err
}
height, err := strconv.ParseInt(args[3], 10, 0)
if err != nil {
return 0, []byte{}, err
}
data := UIWindow{
X0: uint16(x0),
Y0: uint16(y0),
Width: uint16(width),
Height: uint16(height),
Title: helper.B32(args[4]),
}
bytes, err := helper.StructToBytes(data)
if err != nil {
return 0, []byte{}, err
}
return dCMD.GetIdentifier(), bytes, nil
}
func destroyWindowArgCheck(args []string) error {
if len(args) != 1 {
return fmt.Errorf("wrong parameters, got %d, want %d. "+
"Command asks for: winID", len(args), 1)
}
return nil
}
func destroyWindow(dCMD *DeviceCMD, args []string) (types.Command, []byte, error) {
// Parse the command
fmt.Printf("%s command called: %+v\n", dCMD.GetName(), args)
type UIWindowDestructPacket struct {
WinID int16
}
err := dCMD.ArgCheck(args)
if err != nil {
return 0, []byte{}, err
}
id, err := strconv.ParseInt(args[0], 10, 0)
if err != nil {
return 0, []byte{}, err
}
packet := UIWindowDestructPacket{
WinID: int16(id),
}
bytes, err := helper.StructToBytes(packet)
if err != nil {
return 0, []byte{}, err
}
return dCMD.GetIdentifier(), bytes, nil
}