Zilog EZ80F91AZA Manual de usuario descargar pdf (Pagina 28)

RZK Configuration UM007518-1211

Zilog Real-Time Kernel: eZ80

CPU

User Manual

2. In the Linker tab, navigate to Input → Additional Directives (for all targets except

the eZ80190 device) and add the following linker directives:

CHANGE per_api_TEXT is RAM

CHANGE _driver_TEXT is RAM

CHANGE per_api_TEXT is DATA

CHANGE _driver_TEXT is DATA

3. If the chosen configuration is a COPY_TO_RAM configuration, add the following state-

ment in the linker settings within the

Linker → Input → Additional Directives navi-

gation:

CHANGE TEXT is RAM

4. For the eZ80L92 target, if the chosen configuration is FLASH or COPY_TO_RAM, add

the following address range in the linker settings within the panel within the

Linker

→ Address Spaces → RAM navigation:

0–3FFF,6000–FFFFF

Table 12 describes the configurable parameters that are defined according to the kinds of

libraries required:

Table 12. Default Debug Priority Inheritance Values for the RZK_Conf.c File

RZK Macro Default Value Description

MAX_THREADSH 30 (minimum

value = 2)

Specifies the maximum threads that RZK can

create at a time. This macro’s value = 2 + the

maximum number of system threads required to

be created. One thread control block (TCB) is

used for the kernel idle thread and one for the

RZK timer.

RZK_TIME_SLICEH 20 Specifies the default time slice for round-robin

mode at a time. This macro must contain a

value greater than 0 (zero).

RZK_SYSTIMERSTACK_SIZEH 2048 This macro must be defined to provide stack

size for RZK’s system thread.

MAX_MESSAGEQSH 28 Specifies the maximum number of message

queues that can be created at a time. If the sys-

tem does not require message queues, then this

macro is set to 0 (zero).

MAX_EVENTGROUPSH 20 Specifies the maximum number of event groups

that can be created at a time. If the system does

not require event groups, then this macro is set

to 0 (zero).

Note: *Refer to the Zilog Real-Time Kernel Reference Manual (RM0006) and its appendix about Interrupt Handling to

configure the RZK timer.

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