Difference between revisions of "Unit PlatformRPi"

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----
 
----
  
−
''To be documented''
+
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi ARM physical to VC IO mapping constants''' <code> RPI_VCIO_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>RPI_VCIO_ALIAS = BCM2835_VCIO_ALIAS;</code>
 +
|The VCIO Alias (For ARM Physcial to VC IO translation)
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi ARM physical to VC bus mapping constants''' <code> RPI_VCBUS_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>RPI_VCBUS_ALIAS = BCM2835_VCBUS_4_ALIAS;</code>
 +
| The currently selected VCBUS Alias (For ARM Physcial to VC Bus translation) (Affected by disable_l2cache setting in config.txt)
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi address of StartupHandler on reset constants''' <code> RPI_STARTUP_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>RPI_STARTUP_ADDRESS = $00008000;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi page table address and size constants''' <code> RPI_PAGE_TABLE_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>RPI_PAGE_TABLE_BASE = $00004000;</code>
 +
| Place the first level Page Table after the interrupt vectors at 0x00001000 and before the code start at 0x00008000
 +
|-
 +
| <code>RPI_PAGE_TABLE_SIZE = SIZE_16K;</code>
 +
| ARM1176 first level Page Table is exactly 16KB in size (4096 32 bit (4 byte) entries)
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi vector table address and size constants''' <code> RPI_VECTOR_TABLE_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>RPI_VECTOR_TABLE_BASE = $00001000;</code>
 +
| Place the Interrupt Vector Table at 0x00001000 before the code start at 0x00008000
 +
|-
 +
| <code>RPI_VECTOR_TABLE_SIZE = SIZE_64;</code>
 +
| The Interrupt Vector Table is exactly 64 bytes (16 32 bit (4 byte) entries)
 +
|-
 +
| <code>RPI_VECTOR_TABLE_COUNT = 8;</code>
 +
| The Interrupt Vector Table contains 8 entries on an ARMv6 device
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi CPU count, boot and mask constants''' <code> RPI_CPU_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>RPI_CPU_COUNT = BCM2835_CPU_COUNT;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
| <code>RPI_CPU_BOOT = CPU_ID_0;</code>
 +
| &nbsp;
 +
|-
 +
| <code>RPI_CPU_MASK = CPU_AFFINITY_0;</code>
 +
| &nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi SWI constants''' <code> RPI_SWI_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>RPI_SWI_COUNT = 256;</code>
 +
| Number of available SWI entries
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi kernel image name constants''' <code> RPI_KERNEL_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>RPI_KERNEL_NAME = 'kernel.img';</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
| <code>RPI_KERNEL_CONFIG = 'config.txt';</code>
 +
| &nbsp;
 +
|-
 +
| <code>RPI_KERNEL_COMMAND = 'cmdline.txt';</code>
 +
| &nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi plus GPIO power LED constants ''' <code> RPIPLUS_GPIO_PWRLED_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>NAME_</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
|colspan="2"|Note: GPIO Pin 35 on the A+/B+ is set on boot to Pull Up/Down Enable which must be cleared before using the pin
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>RPIPLUS_GPIO_PWRLED_GPFSEL = BCM2835_GPFSEL3;</code>
 +
| GPFSEL register for PWR LED
 +
|-
 +
| <code>RPIPLUS_GPIO_PWRLED_GPSET = BCM2835_GPSET1;</code>
 +
| GPSET register for PWR LED
 +
|-
 +
| <code>RPIPLUS_GPIO_PWRLED_GPCLR = BCM2835_GPCLR1;</code>
 +
| GPCLR register for PWR LED
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>RPIPLUS_GPIO_PWRLED_GPFSHIFT = 15;</code>
 +
| GPFSEL register shift for PWR LED
 +
|-
 +
| <code>RPIPLUS_GPIO_PWRLED_GPFMASK = BCM2835_GPFSEL_MASK;</code>
 +
| GPFSEL register mask for PWR LED
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>RPIPLUS_GPIO_PWRLED_GPSHIFT = (35 - 32);</code>
 +
| GPSET/GPCLR register shift for PWR LED
 +
|-
 +
| <code>RPIPLUS_GPIO_PWRLED_GPMASK = BCM2835_GPSET_MASK;</code>
 +
| GPSET/GPCLR register mask for PWR LED
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
|colspan="2"|GPIO Pin 35 on A+/B+
 +
|-
 +
|colspan="2"|See: http://www.raspberrypi.org/forums/viewtopic.php?t=72260
 +
|-
 +
|colspan="2"|See also for how to control GPPUD etc: http://wiki.osdev.org/Raspberry_Pi_Bare_Bones
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi GPIO activity LED constants ''' <code> RPI_GPIO_ACTLED_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
|colspan="2"|GPIO Pin 16 - A/B Only
 +
|-
 +
|colspan="2"|Note: GPIO Pin 47 on the A+/B+ is Pull High instead of Pull Low, to turn on the LED use RPIPLUS_GPIO_ACTLED_GPSET instead of RPIPLUS_GPIO_ACTLED_GPCLR
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>RPI_GPIO_ACTLED_GPFSEL = BCM2835_GPFSEL1;</code>
 +
| GPFSEL register for ACT LED
 +
|-
 +
| <code>RPI_GPIO_ACTLED_GPSET = BCM2835_GPSET0;</code>
 +
| GPSET register for ACT LED
 +
|-
 +
| <code>RPI_GPIO_ACTLED_GPCLR = BCM2835_GPCLR0;</code>
 +
| GPCLR register for ACT LED
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>RPI_GPIO_ACTLED_GPFSHIFT = 18;</code>
 +
| GPFSEL register shift for ACT LED
 +
|-
 +
| <code>RPI_GPIO_ACTLED_GPFMASK = BCM2835_GPFSEL_MASK;</code>
 +
| GPFSEL register mask for ACT LED
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>RPI_GPIO_ACTLED_GPSHIFT = 16;</code>
 +
| GPSET/GPCLR register shift for ACT LED
 +
|-
 +
| <code>RPI_GPIO_ACTLED_GPMASK = BCM2835_GPSET_MASK;</code>
 +
| GPSET/GPCLR register mask for ACT LED
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi plus GPIO activity LED constants''' <code> RPIPLUS_GPIO_ACTLED_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
|colspan="2"|GPIO Pin 47 - A+/B+ Only
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>RPIPLUS_GPIO_ACTLED_GPFSEL = BCM2835_GPFSEL4;</code>
 +
| GPFSEL register for ACT LED
 +
|-
 +
| <code>RPIPLUS_GPIO_ACTLED_GPSET = BCM2835_GPSET1;</code>
 +
| GPSET register for ACT LED
 +
|-
 +
| <code>RPIPLUS_GPIO_ACTLED_GPCLR = BCM2835_GPCLR1;</code>
 +
| GPCLR register for ACT LED
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>RPIPLUS_GPIO_ACTLED_GPFSHIFT = 21;</code>
 +
| GPFSEL register shift for ACT LED
 +
|-
 +
| <code>RPIPLUS_GPIO_ACTLED_GPFMASK = BCM2835_GPFSEL_MASK;</code>
 +
| GPFSEL register mask for ACT LED
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>RPIPLUS_GPIO_ACTLED_GPSHIFT = (47 - 32);</code>
 +
| GPSET/GPCLR register shift for ACT LED
 +
|-
 +
| <code>RPIPLUS_GPIO_ACTLED_GPMASK = BCM2835_GPSET_MASK;</code>
 +
| GPSET/GPCLR register mask for ACT LED
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''RPi mailbox constants''' <code> RPI_MAILBOX_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>RPI_MAILBOX_TIMEOUT = 100;</code>
 +
| Default timeout to wait for mailbox calls to complete (Milliseconds)
 +
|-
 +
| <code>RPI_MAILBOX_TIMEOUT_EX = 1000;</code>
 +
| Extended timeout to wait for mailbox calls to complete (Milliseconds)
 +
|-
 +
|}
 +
</div></div>
 +
<br />
  
 
=== Type definitions ===
 
=== Type definitions ===

Revision as of 03:51, 19 December 2016

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


[Expand]
RPi ARM physical to VC IO mapping constants RPI_VCIO_*


[Expand]
RPi ARM physical to VC bus mapping constants RPI_VCBUS_*


[Expand]
RPi address of StartupHandler on reset constants RPI_STARTUP_*


[Expand]
RPi page table address and size constants RPI_PAGE_TABLE_*


[Expand]
RPi vector table address and size constants RPI_VECTOR_TABLE_*


[Expand]
RPi CPU count, boot and mask constants RPI_CPU_*


[Expand]
RPi SWI constants RPI_SWI_*


[Expand]
RPi kernel image name constants RPI_KERNEL_*


[Expand]
RPi plus GPIO power LED constants RPIPLUS_GPIO_PWRLED_*


[Expand]
RPi GPIO activity LED constants RPI_GPIO_ACTLED_*


[Expand]
RPi plus GPIO activity LED constants RPIPLUS_GPIO_ACTLED_*


[Expand]
RPi mailbox constants RPI_MAILBOX_*


Type definitions

None defined

Public variables

To be documented

Function declarations


Initialization functions

[Expand] 
procedure RPiInit;
Description: To be documented


RPi platform functions

[Expand] 
procedure RPiBoardInit;
Description: To be documented


[Expand] 
procedure RPiMemoryInit;
Description: To be documented


[Expand] 
procedure RPiClockInit;
Description: To be documented


[Expand] 
procedure RPiPowerInit;
Description: To be documented


[Expand] 
procedure RPiMailboxInit;
Description: To be documented


[Expand] 
procedure RPiInterruptInit;
Description: To be documented


[Expand] 
procedure RPiPeripheralInit;
Description: To be documented


[Expand] 
procedure RPiFramebufferInit;
Description: To be documented


[Expand] 
procedure RPiPageTableInit;
Description: Initialize the Hardware Page Tables before enabling the MMU


[Expand] 
procedure RPiPowerLEDEnable;
Description: To be documented


[Expand] 
procedure RPiPowerLEDOn;
Description: To be documented


[Expand] 
procedure RPiPowerLEDOff;
Description: To be documented


[Expand] 
procedure RPiActivityLEDEnable;
Description: To be documented


[Expand] 
procedure RPiActivityLEDOn;
Description: To be documented


[Expand] 
procedure RPiActivityLEDOff;
Description: To be documented


[Expand] 
function RPiMailboxReceive(Mailbox,Channel:LongWord):LongWord;
Description: Receive from specified mailbox on specified channel


[Expand] 
procedure RPiMailboxSend(Mailbox,Channel,Data:LongWord);
Description: Send to specified mailbox on specified channel


[Expand] 
function RPiMailboxCall(Mailbox,Channel,Data:LongWord; var Response:LongWord):LongWord;
Description: Perform a transaction (Send/Receive) to specified mailbox on specified channel


[Expand] 
function RPiMailboxCallEx(Mailbox,Channel,Data:LongWord; var Response:LongWord; Timeout:LongWord):LongWord;
Description: Perform a transaction (Send/Receive) to specified mailbox on specified channel


[Expand] 
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


[Expand] 
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


[Expand] 
function RPiRequestExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request registration of the supplied handler to the specified IRQ number


[Expand] 
function RPiReleaseExIRQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request deregistration of the supplied handler from the specified IRQ number


[Expand] 
function RPiRequestExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request registration of the supplied handler to the specified FIQ number


[Expand] 
function RPiReleaseExFIQ(CPUID,Number:LongWord; Handler:TInterruptHandler; HandlerEx:TInterruptExHandler; Parameter:Pointer):LongWord;
Description: Request deregistration of the supplied handler from the specified FIQ number


[Expand] 
function RPiRegisterSystemCallEx(CPUID,Number:LongWord; Handler:TSystemCallHandler; HandlerEx:TSystemCallExHandler):LongWord;
Description: Request registration of the supplied extended handler to the specified System Call number


[Expand] 
function RPiDeregisterSystemCallEx(CPUID,Number:LongWord; Handler:TSystemCallHandler; HandlerEx:TSystemCallExHandler):LongWord;
Description: Request deregistration of the supplied extended handler from the specified System Call number


[Expand] 
function RPiGetInterruptEntry(Number:LongWord):TInterruptEntry;
Description: Get the interrupt entry for the specified interrupt number


[Expand] 
function RPiGetSystemCallEntry(Number:LongWord):TSystemCallEntry;
Description: To be documented


[Expand] 
function RPiSystemRestart(Delay:LongWord):LongWord;
Description: To be documented


[Expand] 
function RPiSystemShutdown(Delay:LongWord):LongWord;
Description: To be documented


[Expand] 
function RPiSystemGetCommandLine:String;
Description: Get the Command Line from the Mailbox property tags channel


[Expand] 
function RPiCPUGetMemory(var Address:PtrUInt; var Length:LongWord):LongWord;
Description: Get the CPU Memory from the Mailbox property tags channel


[Expand] 
function RPiGPUGetState:LongWord;
Description: To be documented


[Expand] 
function RPiGPUGetMemory(var Address:PtrUInt; var Length:LongWord):LongWord;
Description: Get the GPU Memory from the Mailbox property tags channel


[Expand] 
function RPiBoardGetModel:LongWord;
Description: Get the Board Model from the Mailbox property tags channel


[Expand] 
function RPiBoardGetSerial:Int64;
Description: Get the Board Serial from the Mailbox property tags channel


[Expand] 
function RPiBoardGetRevision:LongWord;
Description: Get the Board Revision from the Mailbox property tags channel


[Expand] 
function RPiBoardGetMACAddress:String;
Description: Get the Board MAC Address from the Mailbox property tags channel


[Expand] 
function RPiFirmwareGetRevision:LongWord;
Description: Get the Firmware Revision from the Mailbox property tags channel


[Expand] 
function RPiPowerGetWait(PowerId:LongWord):LongWord;
Description: Get the Power Wait from the Mailbox property tags channel


[Expand] 
function RPiPowerGetState(PowerId:LongWord):LongWord;
Description: Get the Power State from the Mailbox property tags channel


[Expand] 
function RPiPowerSetState(PowerId,State:LongWord; Wait:Boolean):LongWord;
Description: Set the Power State in the Mailbox property tags channel


[Expand] 
function RPiClockGetCount:LongWord;
Description: Gets the current system clock count (32 least significant bits of total)


[Expand] 
function RPiClockGetTotal:Int64;
Description: Gets the total system clock count


[Expand] 
function RPiClockGetRate(ClockId:LongWord):LongWord;
Description: Get the Clock Rate from the Mailbox property tags channel


[Expand] 
function RPiClockSetRate(ClockId,Rate:LongWord; Turbo:Boolean):LongWord;
Description: Set the Clock Rate in the Mailbox property tags channel


[Expand] 
function RPiClockGetState(ClockId:LongWord):LongWord;
Description: Get the Clock State from the Mailbox property tags channel


[Expand] 
function RPiClockSetState(ClockId,State:LongWord):LongWord;
Description: Set the Clock State in the Mailbox property tags channel


[Expand] 
function RPiClockGetMinRate(ClockId:LongWord):LongWord;
Description: Get the Clock Min Rate from the Mailbox property tags channel


[Expand] 
function RPiClockGetMaxRate(ClockId:LongWord):LongWord;
Description: Get the Clock Max Rate from the Mailbox property tags channel


[Expand] 
function RPiTurboGetState(TurboId:LongWord):LongWord;
Description: Get the Turbo State from the Mailbox property tags channel


[Expand] 
function RPiTurboSetState(TurboId,State:LongWord):LongWord;
Description: Set the Turbo State in the Mailbox property tags channel


[Expand] 
function RPiVoltageGetValue(VoltageId:LongWord):LongWord;
Description: Get the Voltage Value from the Mailbox property tags channel


[Expand] 
function RPiVoltageSetValue(VoltageId,Value:LongWord):LongWord;
Description: Set the Voltage Value in the Mailbox property tags channel


[Expand] 
function RPiVoltageGetMinValue(VoltageId:LongWord):LongWord;
Description: Get the Voltage Min Value from the Mailbox property tags channel


[Expand] 
function RPiVoltageGetMaxValue(VoltageId:LongWord):LongWord;
Description: Get the Voltage Max Value from the Mailbox property tags channel


[Expand] 
function RPiTemperatureGetCurrent(TemperatureId:LongWord):LongWord;
Description: Get the Temperature Current from the Mailbox property tags channel


[Expand] 
function RPiTemperatureGetMaximum(TemperatureId:LongWord):LongWord;
Description: Get the Temperature Maximum Model from the Mailbox property tags channel


[Expand] 
function RPiGPUMemoryAllocate(Length,Alignment,Flags:LongWord):THandle;
Description: Allocate GPU Memory from the Mailbox property tags channel


[Expand] 
function RPiGPUMemoryRelease(Handle:THandle):LongWord;
Description: Release GPU Memory from the Mailbox property tags channel


[Expand] 
function RPiGPUMemoryLock(Handle:THandle):LongWord;
Description: Lock GPU Memory from the Mailbox property tags channel


[Expand] 
function RPiGPUMemoryUnlock(Handle:THandle):LongWord;
Description: Unlock GPU Memory from the Mailbox property tags channel


[Expand] 
function RPiGPUExecuteCode(Address:Pointer; R0,R1,R2,R3,R4,R5:LongWord):LongWord;
Description: Execute GPU Code from the Mailbox property tags channel


[Expand] 
function RPiDispmanxHandleGet(Resource:THandle):THandle;
Description: Get Dispmanx Memory Handle from the Mailbox property tags channel


[Expand] 
function RPiEDIDBlockGet(Block:LongWord; Buffer:Pointer; Length:LongWord):LongWord;
Description: Get EDID Block from the Mailbox property tags channel


[Expand] 
function RPiFramebufferAllocate(Alignment:LongWord; var Address,Length:LongWord):LongWord;
Description: Allocate Framebuffer from the Mailbox property tags channel


[Expand] 
function RPiFramebufferRelease:LongWord;
Description: Release Framebuffer from the Mailbox property tags channel


[Expand] 
function RPiFramebufferSetState(State:LongWord):LongWord;
Description: Set Framebuffer State (Blank Screen) from the Mailbox property tags channel


[Expand] 
function RPiFramebufferGetDimensions(var Width,Height,Top,Bottom,Left,Right:LongWord):LongWord;
Description: Get Framebuffer Dimensions from the Mailbox property tags channel


[Expand] 
function RPiFramebufferGetPhysical(var Width,Height:LongWord):LongWord;
Description: Get Framebuffer Physical size from the Mailbox property tags channel


[Expand] 
function RPiFramebufferSetPhysical(var Width,Height:LongWord):LongWord;
Description: Set Framebuffer Physical size from the Mailbox property tags channel


[Expand] 
function RPiFramebufferTestPhysical(var Width,Height:LongWord):LongWord;
Description: Test Framebuffer Physical size from the Mailbox property tags channel


[Expand] 
function RPiFramebufferGetVirtual(var Width,Height:LongWord):LongWord;
Description: Get Framebuffer Virtual size from the Mailbox property tags channel


[Expand] 
function RPiFramebufferSetVirtual(var Width,Height:LongWord):LongWord;
Description: Set Framebuffer Virtual size from the Mailbox property tags channel


[Expand] 
function RPiFramebufferTestVirtual(var Width,Height:LongWord):LongWord;
Description: Test Framebuffer Virtual size from the Mailbox property tags channel


[Expand] 
function RPiFramebufferGetDepth(var Depth:LongWord):LongWord;
Description: Get Framebuffer Depth (Bits per pixel) from the Mailbox property tags channel


[Expand] 
function RPiFramebufferSetDepth(var Depth:LongWord):LongWord;
Description: Set Framebuffer Depth (Bits per pixel) from the Mailbox property tags channel


[Expand] 
function RPiFramebufferTestDepth(var Depth:LongWord):LongWord;
Description: Test Framebuffer Depth (Bits per pixel) from the Mailbox property tags channel


[Expand] 
function RPiFramebufferGetPixelOrder(var Order:LongWord):LongWord;
Description: Get Framebuffer Pixel Order (RGB) from the Mailbox property tags channel


[Expand] 
function RPiFramebufferSetPixelOrder(var Order:LongWord):LongWord;
Description: Set Framebuffer Pixel Order (RGB) from the Mailbox property tags channel


[Expand] 
function RPiFramebufferTestPixelOrder(var Order:LongWord):LongWord;
Description: Test Framebuffer Pixel Order (RGB) from the Mailbox property tags channel


[Expand] 
function RPiFramebufferGetAlphaMode(var Mode:LongWord):LongWord;
Description: Get Framebuffer Alpha Mode from the Mailbox property tags channel


[Expand] 
function RPiFramebufferSetAlphaMode(var Mode:LongWord):LongWord;
Description: Set Framebuffer Alpha Mode from the Mailbox property tags channel


[Expand] 
function RPiFramebufferTestAlphaMode(var Mode:LongWord):LongWord;
Description: Test Framebuffer Alpha Mode from the Mailbox property tags channel


[Expand] 
function RPiFramebufferGetPitch:LongWord;
Description: Get Framebuffer Pitch (Bytes per line) from the Mailbox property tags channel


[Expand] 
function RPiFramebufferGetOffset(var X,Y:LongWord):LongWord;
Description: Get Framebuffer Virtual Offset from the Mailbox property tags channel


[Expand] 
function RPiFramebufferSetOffset(var X,Y:LongWord):LongWord;
Description: Set Framebuffer Virtual Offset from the Mailbox property tags channel


[Expand] 
function RPiFramebufferTestOffset(var X,Y:LongWord):LongWord;
Description: Test Framebuffer Virtual Offset from the Mailbox property tags channel


[Expand] 
function RPiFramebufferGetOverscan(var Top,Bottom,Left,Right:LongWord):LongWord;
Description: Get Framebuffer Overscan from the Mailbox property tags channel


[Expand] 
function RPiFramebufferSetOverscan(var Top,Bottom,Left,Right:LongWord):LongWord;
Description: Set Framebuffer Overscan from the Mailbox property tags channel


[Expand] 
function RPiFramebufferTestOverscan(var Top,Bottom,Left,Right:LongWord):LongWord;
Description: Test Framebuffer Overscan from the Mailbox property tags channel


[Expand] 
function RPiFramebufferGetPalette(Buffer:Pointer; Length:LongWord):LongWord;
Description: Get Framebuffer Palette from the Mailbox property tags channel


[Expand] 
function RPiFramebufferSetPalette(Start,Count:LongWord; Buffer:Pointer; Length:LongWord):LongWord;
Description: Set Framebuffer Palette from the Mailbox property tags channel


[Expand] 
function RPiFramebufferTestPalette(Start,Count:LongWord; Buffer:Pointer; Length:LongWord):LongWord;
Description: Test Framebuffer Palette from the Mailbox property tags channel


[Expand] 
function RPiFramebufferTestVsync:LongWord;
Description: Test Framebuffer Vertical Sync from the Mailbox property tags channel


[Expand] 
function RPiFramebufferSetVsync:LongWord;
Description: Set Framebuffer Vertical Sync from the Mailbox property tags channel


[Expand] 
function RPiFramebufferSetBacklight(Brightness:LongWord):LongWord;
Description: Set Framebuffer Backlight Brightness from the Mailbox property tags channel


[Expand] 
function RPiTouchGetBuffer(var Address:LongWord):LongWord;
Description: Get the Touchscreen buffer from the Mailbox property tags channel


[Expand] 
function RPiCursorSetDefault:LongWord;
Description: Set Cursor Default (Pixels) from the Mailbox property tags channel


[Expand] 
function RPiCursorSetInfo(Width,Height,HotspotX,HotspotY:LongWord; Pixels:Pointer; Length:LongWord):LongWord;
Description: Set Curson Info (Pixels) from the Mailbox property tags channel


[Expand] 
function RPiCursorSetState(Enabled:Boolean; X,Y:LongWord; Relative:Boolean):LongWord;
Description: Set Cursor State (Enable, X, Y) from the Mailbox property tags channel


[Expand] 
function RPiDMAGetChannels:LongWord;
Description: Get the available DMA Channels from the Mailbox property tags channel


RPi tthread functions

[Expand] 
procedure RPiSchedulerInit;
Description: To be documented


RPi IRQ functions

[Expand] 
function RPiDispatchIRQ(CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Process any pending IRQ requests


[Expand] 
function RPiHandleIRQ(Number,CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Call the handler function for an IRQ that was received, or halt if it doesn't exist


RPi FIQ functions

[Expand] 
function RPiDispatchFIQ(CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Process any pending FIQ requests


[Expand] 
function RPiHandleFIQ(Number,CPUID:LongWord; Thread:TThreadHandle):TThreadHandle;
Description: Call the handler function for an FIQ that was received, or halt if it doesn't exist


RPi SWI functions

[Expand] 
function RPiDispatchSWI(CPUID:LongWord; Thread:TThreadHandle; Request:PSystemCallRequest):TThreadHandle;
Description: Process an SWI request


RPi clock functions

[Expand] 
procedure RPiClockInterrupt(Parameter:Pointer);
Description: Interrupt handler function for the clock interrupt


[Expand] 
procedure RPiClockUpdate(Cycles:LongWord; var Last:LongWord);
Description: Setup a clock interrupt to trigger after the specified number of clock cycles


RPi scheduler functions

[Expand] 
function RPiSchedulerInterrupt(CPUID:LongWord; Thread:TThreadHandle; Parameter:Pointer):TThreadHandle;
Description: Interrupt handler function for the scheduler interrupt


[Expand] 
procedure RPiSchedulerUpdate(Cycles:LongWord; var Last:LongWord);
Description: Setup a scheduler interrupt to trigger after the specified number of clock cycles


[Expand] 
procedure RPiSchedulerSystemCall(Request:PSystemCallRequest);
Description: System Call handler for the scheduler


RPi framebuffer functions

[Expand] 
function RPiFramebufferDeviceAllocate(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;
Description: Allocate a framebuffer using the Mailbox Property Tags


[Expand] 
function RPiFramebufferDeviceAllocateAlt(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;
Description: Allocate a framebuffer using a simple Mailbox Call


[Expand] 
function RPiFramebufferDeviceRelease(Framebuffer:PFramebufferDevice):LongWord;
Description: To be documented


[Expand] 
function RPiFramebufferDeviceBlank(Framebuffer:PFramebufferDevice; Blank:Boolean):LongWord;
Description: To be documented


[Expand] 
function RPiFramebufferDeviceCommit(Framebuffer:PFramebufferDevice; Address,Size,Flags:LongWord):LongWord;
Description: To be documented


[Expand] 
function RPiFramebufferDeviceSetBacklight(Framebuffer:PFramebufferDevice; Brightness:LongWord):LongWord;
Description: To be documented


[Expand] 
function RPiFramebufferDeviceSetProperties(Framebuffer:PFramebufferDevice; Properties:PFramebufferProperties):LongWord;
Description: To be documented


RPi helper functions

[Expand] 
procedure RPiWait; assembler; nostackframe;
Description: To be documented


[Expand] 
procedure RPiLongWait; assembler; nostackframe;
Description: To be documented


[Expand] 
procedure RPiShortWait; assembler; nostackframe;
Description: To be documented


[Expand] 
procedure RPiSlowBlink; assembler; nostackframe;
Description: To be documented


[Expand] 
procedure RPiFastBlink; assembler; nostackframe;
Description: To be documented


[Expand] 
procedure RPiBootBlink; assembler; nostackframe;
Description: Blink the Activity LED without dependency on any other RTL setup


[Expand] 
function RPiConvertPowerIdRequest(PowerId:LongWord):LongWord;
Description: Convert Ultibo Power Id to BCM2835 Power Id


[Expand] 
function RPiConvertPowerStateRequest(PowerState:LongWord):LongWord;
Description: Convert Ultibo Power State to BCM2835 Power State


[Expand] 
function RPiConvertPowerStateResponse(PowerState:LongWord):LongWord;
Description: Convert BCM2835 Power State to Ultibo Power State


[Expand] 
function RPiConvertClockIdRequest(ClockId:LongWord):LongWord;
Description: Convert Ultibo Clock Id to BCM2835 Clock Id


[Expand] 
function RPiConvertClockStateRequest(ClockState:LongWord):LongWord;
Description: Convert Ultibo Clock State to BCM2835 Clock State


[Expand] 
function RPiConvertClockStateResponse(ClockState:LongWord):LongWord;
Description: Convert BCM2835 Clock State to Ultibo Clock State


[Expand] 
function RPiConvertVoltageIdRequest(VoltageId:LongWord):LongWord;
Description: Convert Ultibo Voltage Id to BCM2835 Voltage Id


[Expand] 
function RPiConvertTemperatureIdRequest(TemperatureId:LongWord):LongWord;
Description: Convert Ultibo Temperature Id to BCM2835 Temperature Id


Return to Unit Reference

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