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

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I2C Bus and SPI Interface - SC12 @CHIP-RTOS V1.10 IPC@CHIP Documentation Index I2C Bus / SPI API News I2C Bus / SPI API Here are the interface definitions for access to the IPC@CHIP's I2C bus and Software SPI. Philips was the inventor of the Inter-IC or I²C-bus, and it is now firmly established as the worldwide de-facto solution for embedded applications. It is used extensively in a variety of microcontroller-based professional, consumer and telecommunications applications as a control, diagnostic and power management bus. As a twowire serial bus, its inherently simple operation was crucial to its emergence as the worldwide de-facto standard. SPI is a serial bus standard established by Motorola. The Serial Peripheral Interface (SPI) is a synchronous serial interface useful for communicating with other peripheral or microcontroller devices. These peripheral devices may be Serial EEPROMs, shift registers, display drivers, A/D converters, etc. ● I2C Bus / SPI API News API Functions The I2C Bus / SPI API provides interrupt 0xAA with a service number in the high order byte of the AX register (AH). This interface provides access to the I2C Bus and Software SPI of the IPC@CHIP for application programs. ● Interrupt_0xAA_function_0x80:_Initialize the I2C Bus ● Interrupt_0xAA_function_0x81:_Scan I2C Devices ● Interrupt_0xAA_function_0x82:_Transmit / Receive Character ● Interrupt_0xAA_function_0x83:_Transmit/ Receive Block ● Interrupt_0xAA_function_0x84:_Release I2C Bus ● Interrupt_0xAA_function_0x8b:_Restart the I2C Bus ● Interrupt_0xAA_function_0x8E:_Select I2C Clock Pin ● Interrupt_0xAA_function_0x8F:_Select I2C Data Pin ● Interrupt_0xAA_function_0x90:_SPI Init ● Interrupt_0xAA_function_0x95:_SPI Write Block ● Interrupt_0xAA_function_0x96:_SPI Read Block ● Interrupt_0xAA_function_0x97:_SPI Read and Write Block Interrupt 0xAA service 0x80: Initialize the I2C Bus Page 316 / 400
This function initializes the I2C bus. It enables the two defined PIO pins for I2C usage (see also function 8eh and 8fh). Parameters AH 0x80 Comments The user can specify which two PIO are used for I2C clock and data. After calling this initialization function, these two pins will no longer be available as PIO pins unless the PFE Enable function is called for these pins following this function call. Related Topics Top of list Index page Select I2C Clock Pin Select I2C Data Pin PFE: Enable Programmable I/O Pins Interrupt 0xAA service 0x81: Scan I2C Devices Parameters AH AL CL Report addresses of slave devices, one at a time. 0x81 First slave address (even address, LSB=0) Last slave address (even address, LSB=0) Return Value Comments Top of list Index page AL: 0 no slave found AL: -1 Timeout AL: address of the first found slave This is an iterator function which is called repetitively to determine all connected slaves. Specify on each successive call a new restricted slave address range until no further address is returned by this function. Page 317 / 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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Page 273 and 274: Comments Top of list Index page AX
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Page 283 and 284: Top of list Index page if ALE is us
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Top of list Index page @CHIP V0.92
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IPC@CHIP Documentation Index Data S
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Comments typedef struct { //*******
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IPC@CHIP Documentation Index CGI AP
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CGI Examples Available - SC12 @CHIP
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The interrupt declaration will moti
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Interrupt 0xAE service 0x01: DRIVER
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Handle from ACCESS_TYPE call 0x02 R
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AH 0x15 Return Value Carry flag:0,
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Top of list Index page ACCESS_TYPE
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Interrupt 0xB0 service 0x02: Deinst
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HW API handler latency RTX handler
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Scalable @CHIP-RTOS variants for th
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IPC@CHIP Documentation Index Progra
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IPC@CHIP Documentation Index Introd
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Top of list Index page TFTP server
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Top of list Index page Possible err
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IPC@CHIP Documentation - SC12 @CHIP-RTOS V1.10

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