Unit PlatformRPi
From Ultibo.org
Return to Unit Reference
Description
The RPi A+/B+ have the Power LED connected to GPIO Pin 35 (Activity LED is now on GPIO Pin 47 instead of Pin 16 in model A/B).
Constants
To be documented
Type definitions
To be documented
Public variables
To be documented
Function declarations
Initialization functions
procedure RPiInit;
Description: To be documented
| Note | None documented |
|---|
RPi platform functions
procedure RPiBoardInit;
Description: To be documented
| Note | None documented |
|---|
procedure RPiMemoryInit;
Description: To be documented
| Note | None documented |
|---|
procedure RPiClockInit;
Description: To be documented
| Note | None documented |
|---|
procedure RPiPowerInit;
Description: To be documented
| Note | None documented |
|---|
procedure RPiMailboxInit;
Description: To be documented
| Note | None documented |
|---|
procedure RPiInterruptInit;
Description: To be documented
| Note | None documented |
|---|
procedure RPiPeripheralInit;
Description: To be documented
| Note | None documented |
|---|
procedure RPiFramebufferInit;
Description: To be documented
| Note | None documented |
|---|
procedure RPiPageTableInit;
Description: Initialize the Hardware Page Tables before enabling the MMU
| Note | See page 6-36 of the ARM1176JZF-S Technical Reference Manual |
|---|
procedure RPiPowerLEDEnable;
Description: To be documented
| Note | None documented |
|---|
procedure RPiPowerLEDOn;
Description: To be documented
| Note | None documented |
|---|
procedure RPiPowerLEDOff;
Description: To be documented
| Note | None documented |
|---|
procedure RPiActivityLEDEnable;
Description: To be documented
| Note | None documented |
|---|
procedure RPiActivityLEDOn;
Description: To be documented
| Note | None documented |
|---|
procedure RPiActivityLEDOff;
Description: To be documented
| Note | None documented |
|---|
function RPiMailboxReceive(Mailbox,Channel:LongWord):LongWord;
Description: Receive from specified mailbox on specified channel
| Note | Data = first 28 bits, Channel = last 4 bits |
|---|
procedure RPiMailboxSend(Mailbox,Channel,Data:LongWord);
Description: Send to specified mailbox on specified channel
| Note | Data = first 28 bits, Channel = last 4 bits |
|---|
function RPiMailboxCall(Mailbox,Channel,Data:LongWord; var Response:LongWord):LongWord;
Description: Perform a transaction (Send/Receive) to specified mailbox on specified channel
| Note | Data = first 28 bits, Channel = last 4 bits
Data pointer must be 16 byte aligned to allow for the 4 bit channel number |
|---|
function RPiMailboxCallEx(Mailbox,Channel,Data:LongWord; var Response:LongWord; Timeout:LongWord):LongWord;
Description: Perform a transaction (Send/Receive) to specified mailbox on specified channel
| Note | Data = first 28 bits, Channel = last 4 bits
Data pointer must be 16 byte aligned to allow for the 4 bit channel number |
|---|
function RPiMailboxPropertyCall(Mailbox,Channel:LongWord; Data:Pointer; var Response:LongWord):LongWord;
Description: Perform a property tag transaction (Send/Receive) to specified mailbox on specified channel
| Note | Data = first 28 bits, Channel = last 4 bits
Data pointer must be 16 byte aligned to allow for the 4 bit channel number |
|---|
function RPiMailboxPropertyCallEx(Mailbox,Channel:LongWord; Data:Pointer; var Response:LongWord; Timeout:LongWord):LongWord;
Description: Perform a property tag transaction (Send/Receive) to specified mailbox on specified channel
| Note | Data = first 28 bits, Channel = last 4 bits
Data pointer must be 16 byte aligned to allow for the 4 bit channel number |
|---|
function RPiRequestExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request registration of the supplied handler to the specified IRQ number
| CPUID | CPU to route IRQ to (Ignored on RPi) |
|---|---|
| Number | IRQ number to register |
| Handler | Interrupt handler function to register |
| HandlerEx | Extended Interrupt handler function to register |
| Note | Only one of Handler or HandlerEx can be specified |
function RPiReleaseExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request deregistration of the supplied handler from the specified IRQ number
| CPUID | CPU to route IRQ to (Ignored on RPi) |
|---|---|
| Number | IRQ number to deregister |
| Handler | Interrupt handler function to deregister |
| HandlerEx | Extended Interrupt handler function to deregister |
| Note | Only one of Handler or HandlerEx can be specified |
function RPiRequestExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request registration of the supplied handler to the specified FIQ number
| CPUID | CPU to route FIQ to (Ignored on RPi) |
|---|---|
| Number | FIQ number to register |
| Handler | Interrupt handler function to register |
| HandlerEx | Extended Interrupt handler function to register |
| Note | Only one of Handler or HandlerEx can be specified |
function RPiReleaseExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request deregistration of the supplied handler from the specified FIQ number
| CPUID | CPU to route FIQ to (Ignored on RPi) |
|---|---|
| Number | FIQ number to deregister |
| Handler | Interrupt handler function to deregister |
| HandlerEx | Extended Interrupt handler function to deregister |
| Note | Only one of Handler or HandlerEx can be specified |
function RPiRegisterSystemCallEx(CPUID,Number:LongWord; Handler:TSystemCallHandler; HandlerEx:TSystemCallExHandler):LongWord;
Description: Request registration of the supplied extended handler to the specified System Call number
| CPUID | The CPU ID to register the System Call against (Ignored on RPi) |
|---|---|
| Number | The System Call number to be registered |
| Handler | The handler function to be registered |
| HandlerEx | The extended handler function to be registered |
| Note | Only one of Handler or HandlerEx can be specified |
function RPiDeregisterSystemCallEx(CPUID,Number:LongWord; Handler:TSystemCallHandler; HandlerEx:TSystemCallExHandler):LongWord;
Description: Request deregistration of the supplied extended handler from the specified System Call number
| CPUID | The CPU ID to deregister the System Call from (Ignored on RPi) |
|---|---|
| Number | The System Call number to be deregistered |
| Handler | The handler function to be deregistered |
| HandlerEx | The extended handler function to be deregistered |
| Note | Only one of Handler or HandlerEx can be specified |
function RPiGetInterruptEntry(Number:LongWord):TInterruptEntry;
Description: Get the interrupt entry for the specified interrupt number
| Note | None documented |
|---|
function RPiGetSystemCallEntry(Number:LongWord):TSystemCallEntry;
Description: To be documented
| Note | Get the system call entry for the specified system call number |
|---|
function RPiSystemRestart(Delay:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
function RPiSystemShutdown(Delay:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
function RPiSystemGetCommandLine:String;
Description: Get the Command Line from the Mailbox property tags channel
| Note | None documented |
|---|
function RPiCPUGetMemory(var Address:PtrUInt; var Length:LongWord):LongWord;
Description: Get the CPU Memory from the Mailbox property tags channel
| Note | None documented |
|---|
Return to Unit Reference
