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abb_inth.c: check all interrupt causes, not just one The original code used if - else if - else if etc constructs, thus the first detected interrupt was the only one handled. However, Iota ITSTATREG is a clear-on-read register, thus if we only handle the first detected interrupt and skip checking the others, then the other interrupts will be lost, if more than one interrupt happened to occur in one ABB interrupt handling cycle - a form of rare race condition. Change the code to check all interrupts that were read in this cycle.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 13 Jun 2021 18:17:53 +0000
parents 35f7a1dc9f7d
children
line wrap: on
line source

;********************************************************************************
;*** File           : pkt.pdf
;*** Creation       : Wed Mar 11 09:58:35 CST 2009
;*** XSLT Processor : Apache Software Foundation / http://xml.apache.org/xalan-j / supports XSLT-Ver: 1
;*** Copyright      : (c) Texas Instruments AG, Berlin Germany 2002
;********************************************************************************
;*** Document Type  : Service Access Point Specification
;*** Document Name  : pkt
;*** Document No.   : 8443.105.02.106
;*** Document Date  : 2002-10-17
;*** Document Status: BEING_PROCESSED
;*** Document Author: HM
;********************************************************************************



PRAGMA 	SRC_FILE_TIME 	"Thu Nov 29 09:50:46 2007"
PRAGMA 	LAST_MODIFIED 	"2002-10-17"
PRAGMA 	ID_AND_VERSION 	"8443.105.02.106"



CONST 	DIO_MAX_NAME_LENGTH 	16 	; arbitrary, in simulation only
CONST 	DIO_MAX_DATA_LENGTH 	100 	; arbitrary, in simulation only



VALTAB 	VAL_sleep_mode
VAL 	0x01 	DIO_SLEEP_ENABLE 	"Enter sleep mode if possible."
VAL 	0x02 	DIO_SLEEP_DISABLE 	"Do not enter sleep mode."

VALTAB 	VAL_parity
VAL 	0x01 	DIO_PARITY_NO 	"Don't send a parity bit."
VAL 	0x02 	DIO_PARITY_ODD 	"Send an odd parity bit."
VAL 	0x04 	DIO_PARITY_EVEN 	"Send an even parity bit."
VAL 	0x08 	DIO_PARITY_SPACE 	"Send a space for parity bit."

VALTAB 	VAL_flow_control
VAL 	0x0001 	DIO_FLOW_NO_NO 	"No flow control for both directions."
VAL 	0x0002 	DIO_FLOW_SW_NO 	"Software flow control for receive direction and no flow control for transmit direction."
VAL 	0x0004 	DIO_FLOW_HW_NO 	"Hardware flow control for receive direction and no flow control for transmit direction."
VAL 	0x0008 	DIO_FLOW_NO_SW 	"No flow control for receive direction and software flow control for transmit direction."
VAL 	0x0010 	DIO_FLOW_SW_SW 	"Software flow control for both directions."
VAL 	0x0020 	DIO_FLOW_HW_SW 	"Hardware flow control for receive direction and software flow control for transmit direction."
VAL 	0x0040 	DIO_FLOW_NO_HW 	"No flow control for receive direction and hardware flow control for transmit direction."
VAL 	0x0080 	DIO_FLOW_SW_HW 	"Software flow control for receive direction and hardware flow control for transmit direction."
VAL 	0x0100 	DIO_FLOW_HW_HW 	"Hardware flow control for both directions."

VALTAB 	VAL_data_mode
VAL 	0x01 	DIO_MODE_AT 	"The TE will transmit AT commands."
VAL 	0x02 	DIO_MODE_DATA 	"The TE will transmit data."
VAL 	0x04 	DIO_MODE_TRACE 	"The TE expects trace information via this device"
VAL 	0x03 	DIO_MODE_DEFAULT 	"Default value if the driver can not provide this information"

VALTAB 	VAL_stop_bits
VAL 	0x01 	DIO_STOP_1 	"Send 1 stop bit."
VAL 	0x02 	DIO_STOP_15 	"Send 1.5 stop bits."
VAL 	0x04 	DIO_STOP_2 	"Send 2 stop bits."

VALTAB 	VAL_baud
VAL 	0x00080000 	DIO_BAUD_812500 	"Transmission rate of 812500 bits/sec."
VAL 	0x00040000 	DIO_BAUD_406250 	"Transmission rate of 406250 bits/sec."
VAL 	0x00020000 	DIO_BAUD_203125 	"Transmission rate of 203125 bits/sec."
VAL 	0x00010000 	DIO_BAUD_115200 	"Transmission rate of 115200 bits/sec."
VAL 	0x00008000 	DIO_BAUD_57600 	"Transmission rate of 57600 bits/sec."
VAL 	0x00004000 	DIO_BAUD_38400 	"Transmission rate of 38400 bits/sec."
VAL 	0x00002000 	DIO_BAUD_33900 	"Transmission rate of 33900 bits/sec."
VAL 	0x00001000 	DIO_BAUD_28800 	"Transmission rate of 28800 bits/sec."
VAL 	0x00000800 	DIO_BAUD_19200 	"Transmission rate of 19200 bits/sec."
VAL 	0x00000400 	DIO_BAUD_14400 	"Transmission rate of 14400 bits/sec."
VAL 	0x00000200 	DIO_BAUD_9600 	"Transmission rate of 9600 bits/sec."
VAL 	0x00000100 	DIO_BAUD_7200 	"Transmission rate of 7200 bits/sec."
VAL 	0x00000080 	DIO_BAUD_4800 	"Transmission rate of 4800 bits/sec."
VAL 	0x00000040 	DIO_BAUD_2400 	"Transmission rate of 2400 bits/sec."
VAL 	0x00000020 	DIO_BAUD_1200 	"Transmission rate of 1200 bits/sec."
VAL 	0x00000010 	DIO_BAUD_600 	"Transmission rate of 600 bits/sec."
VAL 	0x00000008 	DIO_BAUD_300 	"Transmission rate of 300 bits/sec."
VAL 	0x00000004 	DIO_BAUD_150 	"Transmission rate of 150 bits/sec."
VAL 	0x00000002 	DIO_BAUD_75 	"Transmission rate of 75 bits/sec."
VAL 	0x00000001 	DIO_BAUD_AUTO 	"Automatic detection."

VALTAB 	VAL_mux_configuration
VAL 	0x01 	DIO_MUX_MODE_BASIC 	"The multiplexer supports Basic option."
VAL 	0x02 	DIO_MUX_MODE_ADVANCED 	"The multiplexer supports Advanced option."
VAL 	0x04 	DIO_MUX_SUBSET_UIH 	"The multiplexer supports UIH frames."
VAL 	0x08 	DIO_MUX_SUBSET_UI 	"The multiplexer supports UI frames."
VAL 	0x10 	DIO_MUX_SUBSET_I 	"The multiplexer supports I frames."

VALTAB 	VAL_guard_period
VAL 	0 	DIO_ESC_OFF 	"Turn escape sequence detection off."

VALTAB 	VAL_data_bits
VAL 	0x10 	DIO_CHAR_5 	"Send 5 bits per character."
VAL 	0x20 	DIO_CHAR_6 	"Send 6 bits per character."
VAL 	0x40 	DIO_CHAR_7 	"Send 7 bits per character."
VAL 	0x80 	DIO_CHAR_8 	"Send 8 bits per character."

VALTAB 	VAL_convergence
VAL 	0x01 	DIO_CONV_SER 	"The device can contain serial data."
VAL 	0x02 	DIO_CONV_PACKET 	"The device can contain packet data."
VAL 	0x04 	DIO_CONV_MUX 	"The device can start a multiplexer."

VALTAB 	VAL_state
VAL 	0x80000000 	DIO_SA 	"read/write, Device ready"
VAL 	0x40000000 	DIO_SB 	"read/write, Data valid"
VAL 	0x20000000 	DIO_X 	"read/write, Flow control"
VAL 	0x10000000 	DIO_RING 	"write, RING indicator"
VAL 	0x08000000 	DIO_ESC 	"read, escape sequence detected"
VAL 	0x04000000 	DIO_DISC 	"read, link disconnected"
VAL 	0x01000000 	DIO_MUX_STOP 	"read/write, stop the multiplexer"
VAL 	0x02000000 	DIO_BRK 	"read/write, break received / to be sent"
VAL 	0x000000FF 	DIO_BRKLEN 	"read/write, length of the break signal in characters"
VAL 	0x00000000 	DIO_PACKET_UNKNOWN 	"Packet transfer: No packet type available."
VAL 	0x00000021 	DIO_PACKET_IP 	"Packet transfer: Simple IP packet"
VAL 	0x0000002D 	DIO_PACKET_CTCP 	"Packet transfer: Van Jacobson compressed TCP/IP header"
VAL 	0x0000002F 	DIO_PACKET_UTCP 	"Packet transfer: Van Jacobson uncompressed TCP/IP header"

VALTAB 	VAL_cause
VAL 	0xD200 	PKTCS_SUCCESS 	"0b11010010 00000000 No error, success"
VAL 	0xD201 	PKTCS_INVALID_PARAMS 	"0b11010010 00000001 Device number invalid"
VAL 	0xD202 	PKTCS_INVALID_PEER 	"0b11010010 00000010 Peer does not exist"
VAL 	0xD203 	PKTCS_DISCONNECT 	"0b11010010 00000011 The driver signalled a DRV_SIGTYPE_DISCONNECT"
VAL 	0xD204 	PKTCS_INTERNAL_DRV_ERROR 	"0b11010010 00000100 A driver function returned DRV_INTERNAL_ERROR"




VAR 	convergence 	"serial data and / or packet data" 	B

VAL 	@p_pkt - VAL_convergence@ 	

VAR 	data_mode 	"TE will use the device to transmit AT commands or data or both" 	B

VAL 	@p_pkt - VAL_data_mode@ 	

VAR 	sleep_mode 	"describes if the device is able to enter sleep mode" 	B

VAL 	@p_pkt - VAL_sleep_mode@ 	

VAR 	mux_configuration 	"describes the supported configurations of the multiplexer" 	L

VAL 	@p_pkt - VAL_mux_configuration@ 	

VAR 	n1 	"maximum frame size of a multiplexer frame" 	S


VAR 	n2 	"maximum number of retransmissions" 	B


VAR 	t1 	"acknowledgement timer" 	B


VAR 	t2 	"response timer for the multiplexer control channel" 	B


VAR 	t3 	"wake up response timer" 	B


VAR 	k 	"window size for advanced option with error recovery" 	B


VAR 	mtu 	"Maximum Transfer Unit" 	S


VAR 	baud 	"supported transmission rates" 	L

VAL 	@p_pkt - VAL_baud@ 	

VAR 	data_bits 	"supported numbers of bits per character" 	B

VAL 	@p_pkt - VAL_data_bits@ 	

VAR 	stop_bits 	"supported number of stop bits" 	B

VAL 	@p_pkt - VAL_stop_bits@ 	

VAR 	parity 	"supported types of parity checking" 	B

VAL 	@p_pkt - VAL_parity@ 	

VAR 	flow_control 	"supported types of flow control" 	S

VAL 	@p_pkt - VAL_flow_control@ 	

VAR 	xon 	"XON character" 	B


VAR 	xoff 	"XOFF character" 	B


VAR 	esc_char 	"ASCII character which could appear three times as an escape sequence" 	B


VAR 	guard_period 	"minimal duration before and after escape sequence" 	S

VAL 	@p_pkt - VAL_guard_period@ 	

VAR 	l_buf 	"length of content in bit" 	S


VAR 	o_buf 	"offset of content in bit" 	S


VAR 	buf 	"test data" 	B


VAR 	signal_type 	"Signal type" 	S


VAR 	drv_handle 	"Unique handle for this driver" 	S


VAR 	retval 	"Return value" 	S


VAR 	device_no 	"Data device number" 	B


VAR 	buffer_type 	"Type of buffer to be cleared" 	S


VAR 	state 	"Line state bits" 	L

VAL 	@p_pkt - VAL_state@ 	

VAR 	mask 	"Line state mask" 	L

VAL 	@p_pkt - VAL_state@ 	

VAR 	cause 	"Cause value" 	S

VAL 	@p_pkt - VAL_cause@ 	

VAR 	peer 	"Name of peer, to be casted to 'const char *'" 	L


VAR 	link_id 	"Link identifier" 	L


VAR 	dti_direction 	"DTI direction" 	B





COMP 	dio_dcb 	 "Device Control Block data"
{
 	convergence 	 ; serial data and / or packet data
 	data_mode 	 ; TE will use the device to transmit AT commands or data or both
 	sleep_mode 	 ; describes if the device is able to enter sleep mode
 	mux_configuration 	 ; describes the supported configurations of the multiplexer
 	n1 	 ; maximum frame size of a multiplexer frame
 	n2 	 ; maximum number of retransmissions
 	t1 	 ; acknowledgement timer
 	t2 	 ; response timer for the multiplexer control channel
 	t3 	 ; wake up response timer
 	k 	 ; window size for advanced option with error recovery
 	mtu 	 ; Maximum Transfer Unit
 	baud 	 ; supported transmission rates
 	data_bits 	 ; supported numbers of bits per character
 	stop_bits 	 ; supported number of stop bits
 	parity 	 ; supported types of parity checking
 	flow_control 	 ; supported types of flow control
 	xon 	 ; XON character
 	xoff 	 ; XOFF character
 	esc_char 	 ; ASCII character which could appear three times as an escape sequence
 	guard_period 	 ; minimal duration before and after escape sequence
}



COMP 	sdu 	 "test data"
{
 	l_buf 	 ; length of content in bit
 	o_buf 	 ; offset of content in bit
 	buf 	[1] 	 ; test data
}






; PKT_CONNECT_IND 	0x80004045
; PKT_CONNECT_RES 	0x80000045
; PKT_CONNECT_REJ 	0x80010045
; PKT_DISCONNECT_IND 	0x80014045
; PKT_DTI_OPEN_REQ 	0x80020045
; PKT_DTI_OPEN_CNF 	0x80024045
; PKT_MODIFY_REQ 	0x80030045
; PKT_MODIFY_CNF 	0x80034045
; PKT_DTI_CLOSE_REQ 	0x80040045
; PKT_DTI_CLOSE_CNF 	0x80044045
; PKT_DTI_CLOSE_IND 	0x80054045
; PKT_SIG_CLEAR_IND 	0x80050045
; PKT_SIG_FLUSH_IND 	0x80060045
; PKT_SIG_READ_IND 	0x80070045
; PKT_SIG_WRITE_IND 	0x80080045
; PKT_SIG_CONNECT_IND 	0x80090045
; PKT_SIG_DISCONNECT_IND 	0x800A0045
; PKT_DIO_SIGNAL_IND 	0x80200045
; PKT_DIO_INIT_REQ 	0x80204045
; PKT_DIO_INIT_CNF 	0x80210045
; PKT_DIO_EXIT_REQ 	0x80214045
; PKT_DIO_READ_REQ 	0x80224045
; PKT_DIO_READ_CNF 	0x80220045
; PKT_DIO_GETDATA_REQ 	0x80234045
; PKT_DIO_GETDATA_CNF 	0x80230045
; PKT_DIO_WRITE_REQ 	0x80244045
; PKT_DIO_WRITE_CNF 	0x80240045
; PKT_DIO_GETBUFFER_REQ 	0x80254045
; PKT_DIO_GETBUFFER_CNF 	0x80250045
; PKT_DIO_CLEAR_REQ 	0x80264045
; PKT_DIO_CLEAR_CNF 	0x80260045
; PKT_DIO_FLUSH_REQ 	0x80274045
; PKT_DIO_FLUSH_CNF 	0x80270045
; PKT_DIO_SETSIGNAL_REQ 	0x80284045
; PKT_DIO_SETSIGNAL_CNF 	0x80280045
; PKT_DIO_RESETSIGNAL_REQ 	0x80294045
; PKT_DIO_RESETSIGNAL_CNF 	0x80290045
; PKT_DIO_GETCAP_REQ 	0x802A4045
; PKT_DIO_GETCAP_CNF 	0x802A0045
; PKT_DIO_SETCONFIG_REQ 	0x802B4045
; PKT_DIO_SETCONFIG_CNF 	0x802B0045
; PKT_DIO_GETCONFIG_REQ 	0x802C4045
; PKT_DIO_GETCONFIG_CNF 	0x802C0045
; PKT_DIO_CLOSEDEVICE_REQ 	0x802D4045
; PKT_DIO_CLOSEDEVICE_CNF 	0x802D0045



PRIM 	PKT_CONNECT_IND 	0x80004045
{
 	device_no 	 ; Device number
 	dio_dcb 	 ; Device Control Block data
}






PRIM 	PKT_CONNECT_RES 	0x80000045
{
 	device_no 	 ; Device number
 	dio_dcb 	 ; Device Control Block data
}






PRIM 	PKT_CONNECT_REJ 	0x80010045
{
 	device_no 	 ; Device number
}






PRIM 	PKT_DISCONNECT_IND 	0x80014045
{
 	device_no 	 ; Device number
 	cause 	 ; Cause value
}






PRIM 	PKT_DTI_OPEN_REQ 	0x80020045
{
 	device_no 	 ; Device number
 	peer 	 ; Peer
 	link_id 	 ; Link identifier
 	dti_direction 	 ; DTI direction
}






PRIM 	PKT_DTI_OPEN_CNF 	0x80024045
{
 	device_no 	 ; Device number
 	cause 	 ; Cause value
}






PRIM 	PKT_MODIFY_REQ 	0x80030045
{
 	device_no 	 ; Device number
 	dio_dcb 	 ; Device Control Block data
}






PRIM 	PKT_MODIFY_CNF 	0x80034045
{
 	device_no 	 ; Device number
 	cause 	 ; Cause value
}






PRIM 	PKT_DTI_CLOSE_REQ 	0x80040045
{
 	device_no 	 ; Device number
}






PRIM 	PKT_DTI_CLOSE_CNF 	0x80044045
{
 	device_no 	 ; Device number
}






PRIM 	PKT_DTI_CLOSE_IND 	0x80054045
{
 	device_no 	 ; Device number
}






PRIM 	PKT_SIG_CLEAR_IND 	0x80050045
{
}






PRIM 	PKT_SIG_FLUSH_IND 	0x80060045
{
}






PRIM 	PKT_SIG_READ_IND 	0x80070045
{
}






PRIM 	PKT_SIG_WRITE_IND 	0x80080045
{
}






PRIM 	PKT_SIG_CONNECT_IND 	0x80090045
{
}






PRIM 	PKT_SIG_DISCONNECT_IND 	0x800A0045
{
}






PRIM 	PKT_DIO_SIGNAL_IND 	0x80200045
{
 	device_no 	 ; Data device number
 	signal_type 	 ; Signal type
}






PRIM 	PKT_DIO_INIT_REQ 	0x80204045
{
 	drv_handle 	 ; Driver handle
}






PRIM 	PKT_DIO_INIT_CNF 	0x80210045
{
 	retval 	 ; Return value
}






PRIM 	PKT_DIO_EXIT_REQ 	0x80214045
{
}






PRIM 	PKT_DIO_READ_REQ 	0x80224045
{
 	device_no 	 ; Data Device number
}






PRIM 	PKT_DIO_READ_CNF 	0x80220045
{
 	retval 	 ; return value
}






PRIM 	PKT_DIO_GETDATA_REQ 	0x80234045
{
 	device_no 	 ; Data Device number
}






PRIM 	PKT_DIO_GETDATA_CNF 	0x80230045
{
 	retval 	 ; return value
 	state 	 ; Line state
 	sdu 	 ; Data descriptor equivalent
}






PRIM 	PKT_DIO_WRITE_REQ 	0x80244045
{
 	device_no 	 ; Data Device number
 	state 	 ; State
 	mask 	 ; Mask
 	sdu 	 ; Data descriptor equivalent
}






PRIM 	PKT_DIO_WRITE_CNF 	0x80240045
{
 	retval 	 ; return value
}






PRIM 	PKT_DIO_GETBUFFER_REQ 	0x80254045
{
 	device_no 	 ; Data Device number
}






PRIM 	PKT_DIO_GETBUFFER_CNF 	0x80250045
{
 	retval 	 ; return value
}






PRIM 	PKT_DIO_CLEAR_REQ 	0x80264045
{
 	device_no 	 ; Data device number
 	buffer_type 	 ; Buffer type
}






PRIM 	PKT_DIO_CLEAR_CNF 	0x80260045
{
 	retval 	 ; return value
}






PRIM 	PKT_DIO_FLUSH_REQ 	0x80274045
{
 	device_no 	 ; Data device number
}






PRIM 	PKT_DIO_FLUSH_CNF 	0x80270045
{
 	retval 	 ; return value
}






PRIM 	PKT_DIO_SETSIGNAL_REQ 	0x80284045
{
 	signal_type 	 ; Signal type
}






PRIM 	PKT_DIO_SETSIGNAL_CNF 	0x80280045
{
 	retval 	 ; return value
}






PRIM 	PKT_DIO_RESETSIGNAL_REQ 	0x80294045
{
 	signal_type 	 ; Signal type
}






PRIM 	PKT_DIO_RESETSIGNAL_CNF 	0x80290045
{
 	retval 	 ; return value
}






PRIM 	PKT_DIO_GETCAP_REQ 	0x802A4045
{
 	device_no 	 ; Data device number
}






PRIM 	PKT_DIO_GETCAP_CNF 	0x802A0045
{
 	retval 	 ; return value
 	dio_dcb 	 ; Device Control Block
}






PRIM 	PKT_DIO_SETCONFIG_REQ 	0x802B4045
{
 	device_no 	 ; Data device number
 	dio_dcb 	 ; Device Control Block
}






PRIM 	PKT_DIO_SETCONFIG_CNF 	0x802B0045
{
 	retval 	 ; return value
}






PRIM 	PKT_DIO_GETCONFIG_REQ 	0x802C4045
{
 	device_no 	 ; Data device number
}






PRIM 	PKT_DIO_GETCONFIG_CNF 	0x802C0045
{
 	retval 	 ; return value
}






PRIM 	PKT_DIO_CLOSEDEVICE_REQ 	0x802D4045
{
 	device_no 	 ; Data device number
}






PRIM 	PKT_DIO_CLOSEDEVICE_CNF 	0x802D0045
{
 	retval 	 ; return value
}