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API / mini-extreme ISO API / exm 0x00 Query Layer Parameters

mini-extreme ISO: Query The Layer Parameters of The Preview Scene

🚨  These commands contain a data block buffer[].

For clarity, the first 19 bytes are displayed as text, while the data block is displayed in HEX format.
SymbolDefinitionRemarks
Start bit<The command uses "<" as the start bit
TransmitT
ADDR0x00
SN0x00
CMD0xF1
DAT10x00
DAT20x00Layer index value 0-63; all: 0xFF
DAT30x00buffer block length (low byte)
DAT40x00buffer block length (high byte)
CHKSUM0xF1Check sum = ADDR + SN + CMD + DAT1 + DAT2 + DAT3 + DAT4
End bit>The command uses ">" as the end bit

Command list

Start bitInstruction TypeAddressSNCommandData 1Data 2Data 3Data 4ChecksumEnd bit
Query the parameters of layer 1 of the preview scene<T0000F100000000F1>
Query the parameters of layer 64 of the preview scene<T0000F1003F000030>
Query the parameters of all layers of the preview scene<T0000F100FF0000F0>

Command readback

SymbolDefinitionRemarks
Start bit<The command uses "<" as the start bit
TransmitF
ADDR0x00
SN0x00
CMD0xF1
DAT10x00
DAT20x00
DAT30x16
DAT40x00
CHKSUM0x07Check sum = ADDR + SN + CMD + DAT1 + DAT2 + DAT3 + DAT4
End bit>The command uses ">" as the end bit
data block (hex)buffer[0]crop pos_x (low byte)
buffer[1]crop pos_x (high byte)
buffer[2]crop pos_y (low byte)
buffer[3]crop pos_y (high byte)
buffer[4]crop size_w (low byte)
buffer[5]crop size_w (high byte)
buffer[6]crop size_h (low byte)
buffer[7]crop size_h (high byte)
buffer[8]scale pos_x (low byte)
buffer[9]scale pos_x (high byte)
buffer[10]scale pos_y (low byte)
buffer[11]scale pos_y (high byte)
buffer[12]scale size_w (low byte)
buffer[13]scale size_w (high byte)
buffer[14]scale size_h (low byte)
buffer[15]scale size_h (high byte)
buffer[16]freeze 0: active 1: frozen
buffer[17]mirror 0: normal 1: mirror
buffer[18]input port input source index 0~15
buffer[19]Check sum = buffer[0] + buffer[1] + buffer[2]+... + buffer[18]

Application example

FunctionSend & readbackResult
Query the parameters of layer 1 of the preview scene<T0000F100000000F1>
<F0000F10000160007> 00 00 00 00 80 07 38 04 00 00 00 00 80 07 38 04 00 00 0C 80 3F 51Query successful. The parameters of Layer 1 in the preview scene are as follows: cropX:0,cropY:0,cropW: 1920,cropH:1080, scaleX:0, scaleY:0, scaleW:1920, scaleH:1080,freeze :0, mirror:0,input port:13,alpha:128,order:63
Query the parameters of all layers of the preview scene<T0000F100FF0000F0>
<F0000F100FF410536> 00 00 00 00 80 07 38 04 00 00 00 00 80 07 38 04 00 00 0C 80 3F ......00 00 00 00 80 07 38 04 00 00 00 00 80 07 38 04 00 00 1E 00 01 00 00 00 00 80 07 38 04 00 00 00 00 80 07 38 04 00 00 1F 00 00 C3Query successful