IPC@CHIP Documentation - SC12 @CHIP-RTOS V1.10

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48 Bits (6 Bytes) Source address 16 Bits (2 Bytes) Type field e.g 0x0608 for ARP, 0x0008 for IP or user defined types 46 to 1500 Bytes of user data. The maximum number of installed handlers is limited to five. In all BIOS versions except the TINY version, setting of ARP or IP handlers is not allowed here. When an Ethernet packet of the type specified here at [DS:SI] is received by the IPC@CHIP's network device driver, this driver will perform callbacks to the receiver handler function specified here in [ES:DI]. This callback will be done twice per accepted packet: ❍ First call: Input parameters to your handler: AX = 0, CX = received packet length Return Value from your handler: ES:DI - Pointer to buffer where driver can load the CX received bytes. ❍ Second call: Input parameters to your handler: AX = 1, data is now ready in your buffer Return Value from your handler: -- none -- On the first call, your handler produces a buffer into which the driver can transfer the received packet. This byte transfer occurs between the two calls to your handler function. Important: Because of our Little Endian processor you must exchange the bytes for the packet types e.g. use 0x0008 for the IP type instead of 0x0800. Simple example of an receiver callback function: void interrupt receiver (unsigned bp, unsigned di, unsigned si, unsigned ds, unsigned es, unsigned dx, unsigned cx, unsigned bx, unsigned ax, unsigned ip, unsigned cs, unsigned flags ) { if (ax == 0) // ax==0 -> Packet driver asks for a buffer, give it at es:di { es = FP_SEG(&receivepacket); di = FP_OFF(&receivepacket); } } Related Topics Top of list Index page if (ax == 1) //Packet driver has filled our provided buffer { //Call our external c-function packet_receive to process the received data packet_received(cx); } RELEASE_TYPE Unload an Access Handler INSTALL_WILDCARD Install wildcard access handler Interrupt 0xAE service 0x03: RELEASE_TYPE, Unload an Access Handler Parameters AH BX The user installed Ethernet packet type access handler is removed. 0x03 Page 380 / 400
Handle from ACCESS_TYPE call 0x02 Return Value Carry: 0, AX:0, DX:0: success Carry: 1, DH contains error code Related Topics Top of list Index page ACCESS_TYPE Install Access Handler Interrupt 0xAE service 0x04: SEND_PKT, Send an Ethernet packet Parameters AH CX DS:SI Send bytes in provided packet buffer over Ethernet. 0x04 Length of packet Pointer to packet buffer Return Value Comments Carry flag:0, AX:0, DX:0: success Carry flag:1, DH contains error code The data packet buffer should have the Ethernet packet form defined by IEEE 802.3: typedef struct MY_PACKET_ { unsigned char dest[6]; // Destination MAC address unsigned char src[6]; // Source MAC address unsigned int type; // Packet type (big endian) unsigned char data[DATA_SIZE]; } MY_PACKET ; where DATA_SIZE can range up to 1500 bytes. The src field can be set using the GET_ADDRESS API. Related Topics Top of list Index page GET_ADDRESS Get the Ethernet address Interrupt 0xAE service 0x06: GET_ADDRESS, Get the IPC@CHIP Ethernet address Page 381 / 400
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IPC@CHIP Documentation index - SC12
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available from the download area of
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IPC@CHIP Documentation Index Introd
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1. Timer procedures must be impleme
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Top of list Index page Usage of the
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Top of list Index page Using Hardwa
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Top of list Index page 3. Since @CH
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Top of list Index page End of docum
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IPC@CHIP Documentation Index COMMAN
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Index page TYPE file Type a file. T
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Example rd temp Top of list Index p
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Top of list Index page ALE Enable/d
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Related Topics Top of list Index pa
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Top of list Index page Initial BATC
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Comments Example Make sure that oth
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Comments Top of list Index page tas
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CHIP.INI Documentation - SC12 @CHIP
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STDIO ● SERIAL_EXT_DMA ● SERIAL
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The new mode is shown on the consol
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Top of list Index page IP ADD_DEFAU
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Top of list Index page [PPPCLIENT]
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Example: REMOTEADDRESS=192.168.205.
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IDLETIME=500 By default, PPP server
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Top of list Index page PPP server c
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Comments Example: INITRETRIES0=2 Th
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[PPPSERVER] CTRLTIMEOUTx=timeout in
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PPPSERVER [PPPSERVER] HANGUPANSWERx
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Top of list Index page PPPSERVER [P
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Example: Top of list Index page FTP
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Top of list Index page FTP PASSWORD
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WEB [WEB] TEMPPATH=Name of a tempor
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Top of list Index page WEB The cons
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WEB [WEB] SEC_PASSWORDx=Define a pa
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USERx=user Comments Top of list Ind
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TRACE [TRACE] INTNOTSUPP=0/1 Commen
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Top of list Index page SERIAL [SERI
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MEMGAP=Paragraphs Comments Sets a m
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IPC@CHIP Documentation Index CONFIG
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● Interrupt_0xA0_function_0x19:_C
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Top of list Index page AX = 0. (Thi
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Comments Top of list Index page DI
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ES:DX Pointer to a 16 byte memory a
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Index page Interrupt 0xA0 service 0
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Parameters AH Must be 0x15 Return V
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AH ES:DI Comments Must be 0x20. Add
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int iniPutString(char *sectionName,
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Get the IPC@CHIP device names Param
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Return Value Comments AL= 1 DX=0: S
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Parameters AH AL BX Must be 0x33. B
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void huge my_putstr(char * pch, int
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Index page Interrupt 0xA0 service 0
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Parameters AH ES:DX Top of list Ind
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● Interrupt_0xAC_function_0x0B:_A
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Socket descriptor Return Value DX =
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put into the buffer. The sender can
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The application sleeps for a specif
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Top of list Index page Interrupt 0x
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for the API_SEND function (or recv_
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a new connection. Related Topics To
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AH BX ES:DI 0x16 (= API_SETSOCKOPT)
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Interrupt 0xAC service 0x19: API_RE
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SocketInfo s[64]; int avail, i; ava
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Comments AX = -2 (=API_NOT_SUPPORTE
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Tests if PPP server is available in
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Index page Interrupt 0xAC service 0
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DS:SI CX 6 Get pointer to AtEntry d
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Bits of AX and DX contains the requ
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Parameters AH 0x74 (= TCPIP_STATIST
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Structure at [ES:DI] is filled with
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Parameters AH ES:DI 0x7A (= IP_USER
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This function is used to delete the
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CX Number of data structures in arr
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DS:SI Output Parameter: Pointer to
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For more detailed description see H
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BX CX ES:DI Number of available rec
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IPC@CHIP Documentation Index TCP/IP
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TCP/IP Application Developers Note
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ArpHeader Address Resolution Protoc
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Top of list Index page This buffer
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Comments This data structure and sp
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Comments These structures are only
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Comments unsigned long ipReasmOKs;
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typedef struct tag_ping_command { i
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The PPPDial structure is used durin
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Related Topics ❍ optionName=PPP_I
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SetSocketOption Comments This data
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Top of list Index page UdpMib Comme
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Programming client server applicati
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RTOS API - SC12 @CHIP-RTOS V1.10 IP
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AH BX 0 (=RTX_SLEEP_TIME) Sleep tim
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Return Value Comments DX=0 (always
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An out of range priority value (CX)
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Comments DX!=0 failure AX: contains
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BX ES:DI 0x19 (= RTX_RESERVE_RES) I
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Top of list Index page RTX_GET_SEM
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BX:SI Output Parameter: Pointer to
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ES:DI CX Output Parameter: Pointer
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Comments DX!=0 failure AX: contains
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The task name is not a null termina
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AH BX ES:DI DS:SI 0x40 (= RTX_CREAT
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Interrupt 0xAD service 0x43: RTX_WA
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ES:DI 0x46 (= RTX_FIND_EVENTGROUP)
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ES:DI Pointer to a 12 byte message
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Interrupt 0xAD service 0x55: RTX_FI
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Multitasking with @Chip-RTOS Some c
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ackground data base search in the e
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Suspended Free to run RTX_Resume_Ta
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Figure 1 ) Sleep Based Periodic Loo
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can potentially interrupt execution
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} } Figure 5 ) Protected Critical S
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RTOS Overview - SC12 @CHIP-RTOS V1.
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Time / Date Services The following
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Top of list Index page is willing t
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system's maximum number of availabl
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Prior to making the RTX_TASK_CREATE
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B4: Message Exchange wait B5: -- no
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name or void huge MyTimerProc(unsig
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IPC@CHIP Documentation Index @CHIP-
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RTOS Application Developers Note -
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DOS Interface Documentation - SC12
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Parameters AH DL 0x02 Character to
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AH 0x08 Return Value Comments Retur
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AH 0x19 Return Value AL = drive whe
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Only ten DTA entries for user tasks
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Note: Top of list Index page In @CH
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Parameters AH CX 0x3C File attribut
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Top of list Index page Get/Set File
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BX DX Handle Device data Return Val
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A paragraph is 16 bytes in length.
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Comments Top of list Index page AX
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operations such as renaming, moving
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AL BX CX DX AL=0 to get the date an
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Hardware API - SC12 @CHIP-RTOS V1.1
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Top of list Index page if ALE is us
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Comments If on a given timer the ex
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AH AL Must be 0x88. DRQ channel: 0
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AH ES:DI Must be 0x90. Pointer to a
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Comments 8 Bit data in ax, ax = (da
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Parameters AH DX BX CX Must be 0x83
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Top of list Index page RTX_SIGNAL_E
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none Related Topics Top of list Ind
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instead be the frequency reported b
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Return Value none Comments Top of l
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Starts the DMA mode. After calling
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BX:SI ES:DI 1 = DRQ1 Output Paramet
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Return Value none Comments Call thi
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Hardware API Layers - SC12 @CHIP-RT
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This function initializes the I2C b
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AL CX Slave address, LSB:0 => Trans
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AH AL 0x8F PIO pin number, [0..13]
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AH ES:DI CX Must be 0x96 Pointer to
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I2C Bus and SPI API Updates - SC12
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● Interrupt_0x14_function_0x04:_I
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Page 345 and 346: Generic example: int huge myDevSend
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Page 361 and 362: Return Value Comments DX =0 success
Page 363 and 364: Top of list Index page CGI_FINDNEXT
Page 365 and 366: IPC@CHIP Documentation Index CGI AP
Page 367 and 368: Top of list Index page @CHIP V0.92
Page 369 and 370: IPC@CHIP Documentation Index Data S
Page 371 and 372: Comments typedef struct { //*******
Page 373 and 374: IPC@CHIP Documentation Index CGI AP
Page 375 and 376: CGI Examples Available - SC12 @CHIP
Page 377 and 378: The interrupt declaration will moti
Page 379: Interrupt 0xAE service 0x01: DRIVER
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Page 385 and 386: Top of list Index page ACCESS_TYPE
Page 387 and 388: Interrupt 0xB0 service 0x02: Deinst
Page 389 and 390: HW API handler latency RTX handler
Page 391 and 392: Scalable @CHIP-RTOS variants for th
Page 393 and 394: IPC@CHIP Documentation Index Progra
Page 395 and 396: IPC@CHIP Documentation Index Introd
Page 397 and 398: Top of list Index page TFTP server
Page 399 and 400: Top of list Index page Possible err
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