Switch Block

Declares a switch block or a switch block bundle using the keyword switch.

• Declaration
• Shorthand Declaration
• Ports Table
• Description
• Code Examples

---

Declaration

#switch block
switch LABEL {
        default:        off
        reset:          MasterReset
        meta:           none
}

#switch block bundle
switch LABEL [SIZE] {
        default:        off | [ off, ...]
        reset:          MasterReset
        meta:           none
}

LABEL

definition:the label of the block

SIZE

definition:the size of the block bundle type:constant integer port (CIP)

---

Shorthand Declaration

# constant block
Boolean >> LABEL;

# constant block bundle
BooleanList >> LABEL;

LABEL

definition:the label of the block

Boolean

definition:on or off

BooleanList

definition:a list of on and off

---

Ports Table

Port	Name	Direction	Type	Connection	Access	Default	Required
1	input	input	CBP	single	>> LABEL	none	no (1)
					assignment
2	output	output	CBP	multiple	LABEL >>	none	no (1)
					assignment
3	default	input	CBP	single	property	off	yes
4	reset	input	CBP	single	property	MasterReset	yes
5	meta	input	CSP	single	property	none	no

CBP:constant boolean port CSBP:control stream boolean port CSP:constant string port LABEL:block label

¹ Warning issued during compilation if the port is left unconnected.

---

Description

Switches are asynchronous blocks. They propegate the rate none upstream.

---

Code Examples

switch Switch {
        default:        off
        reset:          MasterReset
        meta:           'A switch'
}

# Shorthand
off >> Switch;

switch SwitchBundle [2] {
        default:        off
        reset:          MasterReset
        meta:           'A switch'
}

# Shorthand
[off, off] >> SwitchBundle;