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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
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;********************************************************************************
;*** File           : PSI.pdf
;*** Creation       : Wed Mar 11 09:58:36 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  : PSI
;*** Document No.   : ..01.001
;*** Document Date  : 2004-02-09
;*** Document Status: BEING_PROCESSED
;*** Document Author: RM
;********************************************************************************



PRAGMA 	SRC_FILE_TIME 	"Thu Nov 29 09:51:16 2007"
PRAGMA 	LAST_MODIFIED 	"2004-02-09"
PRAGMA 	ID_AND_VERSION 	"..01.001"



CONST 	PSI_PEER_ENTITY_NAME_LENGTH 	6 	; Length ofentity name for data exchange



VALTAB 	VAL_cause
VAL 	0xD300 	PSICS_SUCCESS 	"0b11010011 00000000 no error"
VAL 	0xD301 	PSICS_INVALID_PARAMS 	"0b11010011 00000001 device number invalid or parameter invalid "
VAL 	0xD302 	PSICS_INTERNAL_DRV_ERROR 	"0b11010011 00000010 A driver function returned DRV_INTERNAL_ERROR"
VAL 	0xD303 	PSICS_DISCONNECT 	"0b11010011 00000011 The driver signalled a DRV_SIGTYPE_DISCONNECT"

VALTAB 	VAL_psi_line_states
VAL 	0x00 	PSI_LINE_STD_NOT_VALID 	"b00000000 no line state request is given"

VALTAB 	VAL_psi_baud_rate
VAL 	0xffffffff 	DIO4_BAUD_NOT_VALID 	"baudrate is not changed"

VALTAB 	VAL_psi_char_frame
VAL 	0x00000000 	DIO_CF_NOT_VALID 	"char frame values are not changed"

VALTAB 	VAL_psi_flow_control
VAL 	0xffffffff 	DIO_FLOW_NOT_VALID 	"flow control value are not changed"

VALTAB 	VAL_psi_mux_mode
VAL 	0xffffffff 	DIO_MUX_MODE_NOT_VALID 	"mux mode is unchanged"

VALTAB 	VAL_pkt_flag
VAL 	0x80000000 	DIO_FLAG_PKT_PROTOCOL 	"device can transfer information to identify the packet protocol"
VAL 	0xffffffff 	DIO_FLAG_PKT_PROT_NOT_VALID 	"packet flag is not changed"

VALTAB 	VAL_psi_sleep_mode
VAL 	0x00 	DIO_SLEEP_NOT_VALID 	"value is not valid"
VAL 	0xff 	DIO_SLEEP_NOT_CHAN 	"value is not changed"

VALTAB 	VAL_psi_guard_per
VAL 	0xff 	DIO_GUARD_PER_NOT_VALID 	"guard period is not changed"

VALTAB 	VAL_psi_dev_mode
VAL 	0x00000000 	DEV_MODE_NOT_VALID 	"device mode is unchanged"

VALTAB 	VAL_psi_esc_char
VAL 	0x00 	ESC_CHAR_NOT_VALID 	"escape character is not changed"

VALTAB 	VAL_pkt_type
VAL 	0x0021 	DIO_PACKET_IPV4 	"IP packet version 4"
VAL 	0x002D 	DIO_PACKET_VJ_CTCP 	"IPv4 packet with Van Jacobson compressed TCP/IP header"
VAL 	0x002F 	DIO_PACKET_VJ_UTCP 	"IPv4 packet with Van Jacobson uncompressed TCP/IP header"
VAL 	0x0057 	DIO_PACKET_IPV6 	"IP packet version 6"

VALTAB 	VAL_psi_xon
VAL 	0x00 	XON_NOT_VALID 	"xon value is unchanged"

VALTAB 	VAL_psi_xoff
VAL 	0x00 	XOFF_NOT_VALID 	"xoff value is unchanged"

VALTAB 	VAL_psi_n1
VAL 	0x00 	PSI_MUX_N1_NOT_VALID 	"mux max frame size is not changed"

VALTAB 	VAL_psi_n2
VAL 	0x00 	PSI_MUX_N2_NOT_VALID 	"number of retransmission is not changed"

VALTAB 	VAL_psi_t1
VAL 	0x00 	PSI_MUX_T1_NOT_VALID 	"acknowledgement timer is not changed"

VALTAB 	VAL_psi_t2
VAL 	0x00 	PSI_MUX_T2_NOT_VALID 	"response timer is not changed"

VALTAB 	VAL_psi_t3
VAL 	0x00 	PSI_MUX_T3_NOT_VALID 	"wake up response timer is not changed"

VALTAB 	VAL_psi_k
VAL 	0x00 	PSI_K_NOT_VALID 	"windows size  is not changed"

VALTAB 	VAL_psi_data_mode
VAL 	0x01 	DRIVER_MODE_AT 	"The driver will transmit AT commands."
VAL 	0x02 	DRIVER_MODE_DATA 	"The driver  will transmit data."
VAL 	0x03 	DRIVER_MODE_AT_DATA 	"The driver will transmit AT commands and data"




VAR 	cause 	"cause value" 	S

VAL 	@p_PSI - VAL_cause@ 	

VAR 	devId 	"device identifier" 	L

VAL 	@p_DIO - VAL_device@ 	

VAR 	dti_direction 	"link identifier" 	B


VAR 	drv_handle 	"driver handle" 	S


VAR 	line_state 	"line state information" 	S

VAL 	@p_PSI - VAL_psi_line_states@ 	
VAL 	@p_DIO - VAL_line_states@ 	

VAR 	link_id 	"link identifier" 	L


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

VAL 	@p_PSI - VAL_psi_data_mode@ 	

VAR 	retValue 	"return value" 	S


VAR 	signal_type 	"signal information" 	S


VAR 	name 	"entity name" 	B





UNION 	DIO_CAP_UN 	 "Structured Element"
{
 	ser_cap 	EXTERN @p_DIO - DIO_CAP_SER@ 	DIO_CAP_SER 	 ; capabilities of serial driver
 	pkt_cap 	EXTERN @p_DIO - DIO_CAP_PKT@ 	DIO_CAP_PKT 	 ; capabilities of packet driver
 	mux_cap 	EXTERN @p_DIO - DIO_CAP_SER_MUX@ 	DIO_CAP_SER_MUX 	 ; capabilities of mux driver
}



UNION 	DIO_DCB_UN 	 "Structured Element"
{
 	ser_dcb 	EXTERN @p_DIO - DIO_DCB_SER@ 	DIO_DCB_SER 	 ; configuration of serial driver
 	pkt_dcb 	EXTERN @p_DIO - DIO_DCB_PKT@ 	DIO_DCB_PKT 	 ; configuration of packet driver
 	mux_dcb 	EXTERN @p_DIO - DIO_DCB_SER_MUX@ 	DIO_DCB_SER_MUX 	 ; configuration of mux driver
}



COMP 	peer 	 "communication entity name"
{
 	name 	[PSI_PEER_ENTITY_NAME_LENGTH] 	 ; communication peer name
}






; PSI_CONN_IND 	0x8000401D
; PSI_CONN_IND_TEST 	0x8009401D
; PSI_CONN_RES 	0x8000001D
; PSI_CONN_REJ 	0x8001001D
; PSI_DISCONN_IND 	0x8001401D
; PSI_CLOSE_REQ 	0x8002001D
; PSI_CLOSE_CNF 	0x8008401D
; PSI_DTI_OPEN_REQ 	0x8003001D
; PSI_DTI_CLOSE_REQ 	0x8004001D
; PSI_DTI_OPEN_CNF 	0x8002401D
; PSI_DTI_CLOSE_CNF 	0x8003401D
; PSI_DTI_CLOSE_IND 	0x8004401D
; PSI_SETCONF_CNF 	0x8005401D
; PSI_SETCONF_REQ 	0x8005001D
; PSI_SETCONF_REQ_TEST 	0x800D001D
; PSI_LINE_STATE_REQ 	0x8006001D
; PSI_LINE_STATE_CNF 	0x8006401D
; PSI_LINE_STATE_IND 	0x8007401D
; PSI_SIG_CLEAR_IND 	0x8007001D
; PSI_SIG_FLUSH_IND 	0x8008001D
; PSI_SIG_READ_IND 	0x8009001D
; PSI_SIG_WRITE_IND 	0x800A001D
; PSI_SIG_CONNECT_IND 	0x800B001D
; PSI_SIG_DISCONNECT_IND 	0x800C001D
;  PSI_DIOSIM_INIT_REQ 	0x8020401D
; PSI_DIOSIM_INIT_CNF  	0x8020001D
; PSI_DIOSIM_GET_CAP_REQ 	0x8021401D
; PSI_DIOSIM_GET_CAP_SER_CNF 	0x8021001D
; PSI_DIOSIM_GET_CAP_PKT_CNF 	0x802C001D
; PSI_DIOSIM_SET_CONF_SER_REQ 	0x8022401D
; PSI_DIOSIM_SET_CONF_PKT_REQ 	0x802C401D
; PSI_DIOSIM_SET_CONF_CNF 	0x8022001D
; PSI_DIOSIM_GET_CONF_SER_REQ 	0x8023401D
; PSI_DIOSIM_GET_CONF_CNF 	0x8023001D
; PSI_DIOSIM_CLOSE_DEV_REQ 	0x8024401D
; PSI_DIOSIM_CLOSE_DEV_CNF 	0x8024001D
; PSI_DIOSIM_FLUSH_REQ 	0x8025401D
; PSI_DIOSIM_FLUSH_CNF 	0x8025001D
; PSI_DIOSIM_CLEAR_REQ 	0x8026401D
; PSI_DIOSIM_CLEAR_CNF 	0x8026001D
; PSI_DIOSIM_GET_TXB_REQ 	0x8027401D
; PSI_DIOSIM_GET_TXB_CNF 	0x8027001D
; PSI_DIOSIM_SET_RXB_REQ 	0x8028401D
; PSI_DIOSIM_SET_RXB_CNF 	0x8028001D
; PSI_DIOSIM_READ_REQ 	0x8029401D
; PSI_DIOSIM_READ_SER_CNF 	0x8029001D
; PSI_DIOSIM_READ_PKT_CNF 	0x802D001D
; PSI_DIOSIM_WRITE_SER_REQ 	0x802A401D
; PSI_DIOSIM_WRITE_PKT_REQ 	0x802E401D
; PSI_DIOSIM_WRITE_CNF 	0x802A001D
; PSI_DIOSIM_EXIT_REQ 	0x802B401D
; PSI_DIOSIM_SIGN_IND 	0x802B001D



PRIM 	PSI_CONN_IND 	0x8000401D
{
 	devId 	 ; Device Identifier
 	EXTERN @p_DIO - DIO_CAP@ 	DIO_CAP 	PTR 	 ; Device Capability
 	psi_data_mode 	 ; Device data mode
}






PRIM 	PSI_CONN_IND_TEST 	0x8009401D
{
 	devId 	 ; Device Identifier
 	DIO_CAP_UN 	 ; device capability test structure
 	psi_data_mode 	 ; device data mode
}






PRIM 	PSI_CONN_RES 	0x8000001D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_CONN_REJ 	0x8001001D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_DISCONN_IND 	0x8001401D
{
 	devId 	 ; device identifier
 	cause 	 ; cause value
}






PRIM 	PSI_CLOSE_REQ 	0x8002001D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_CLOSE_CNF 	0x8008401D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_DTI_OPEN_REQ 	0x8003001D
{
 	devId 	 ; device identifier
 	peer 	 ; peer name
 	link_id 	 ; dti link identifier
 	dti_direction 	 ; direction of DTI link
}






PRIM 	PSI_DTI_CLOSE_REQ 	0x8004001D
{
 	devId 	 ; device identifier
 	link_id 	 ; dti link identifier
}






PRIM 	PSI_DTI_OPEN_CNF 	0x8002401D
{
 	devId 	 ; device identifier
 	cause 	 ; cause value
 	link_id 	 ; dti link identifier
}






PRIM 	PSI_DTI_CLOSE_CNF 	0x8003401D
{
 	devId 	 ; device identifier
 	link_id 	 ; dti link identifier
}






PRIM 	PSI_DTI_CLOSE_IND 	0x8004401D
{
 	devId 	 ; device identifier
 	link_id 	 ; dti link identifier
}






PRIM 	PSI_SETCONF_CNF 	0x8005401D
{
 	devId 	 ; device identifier
 	cause 	 ; cause value
}






PRIM 	PSI_SETCONF_REQ 	0x8005001D
{
 	devId 	 ; device identifier
 	EXTERN @p_DIO - DIO_DCB@ 	DIO_DCB 	PTR 	 ; configuration structure
}






PRIM 	PSI_SETCONF_REQ_TEST 	0x800D001D
{
 	devId 	 ; Primitive Item
 	DIO_DCB_UN 	 ; Primitive Item
}






PRIM 	PSI_LINE_STATE_REQ 	0x8006001D
{
 	devId 	 ; device identifier
 	line_state 	 ; line state information
}






PRIM 	PSI_LINE_STATE_CNF 	0x8006401D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_LINE_STATE_IND 	0x8007401D
{
 	devId 	 ; device identifier
 	line_state 	 ; line state information
}






PRIM 	PSI_SIG_CLEAR_IND 	0x8007001D
{
}






PRIM 	PSI_SIG_FLUSH_IND 	0x8008001D
{
}






PRIM 	PSI_SIG_READ_IND 	0x8009001D
{
}






PRIM 	PSI_SIG_WRITE_IND 	0x800A001D
{
}






PRIM 	PSI_SIG_CONNECT_IND 	0x800B001D
{
}






PRIM 	PSI_SIG_DISCONNECT_IND 	0x800C001D
{
}






PRIM 	 PSI_DIOSIM_INIT_REQ 	0x8020401D
{
 	drv_handle 	 ; Primitive Item
}






PRIM 	PSI_DIOSIM_INIT_CNF  	0x8020001D
{
 	retValue 	 ; return value
}






PRIM 	PSI_DIOSIM_GET_CAP_REQ 	0x8021401D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_DIOSIM_GET_CAP_SER_CNF 	0x8021001D
{
 	retValue 	 ; return value
 	EXTERN @p_DIO - DIO_CAP_SER@ 	DIO_CAP_SER 	 ; serial device capability structure
}






PRIM 	PSI_DIOSIM_GET_CAP_PKT_CNF 	0x802C001D
{
 	retValue 	 ; return value
 	EXTERN @p_DIO - DIO_CAP_PKT@ 	DIO_CAP_PKT 	 ; packet device capability structure
}






PRIM 	PSI_DIOSIM_SET_CONF_SER_REQ 	0x8022401D
{
 	devId 	 ; device Identifier
 	EXTERN @p_DIO - DIO_DCB_SER@ 	DIO_DCB_SER 	 ; serial configuration parameter structure
}






PRIM 	PSI_DIOSIM_SET_CONF_PKT_REQ 	0x802C401D
{
 	devId 	 ; device identifier
 	EXTERN @p_DIO - DIO_DCB_PKT@ 	DIO_DCB_PKT 	 ; configuration params
}






PRIM 	PSI_DIOSIM_SET_CONF_CNF 	0x8022001D
{
 	retValue 	 ; return value
}






PRIM 	PSI_DIOSIM_GET_CONF_SER_REQ 	0x8023401D
{
 	devId 	 ; device identifier
 	EXTERN @p_DIO - DIO_DCB_SER@ 	DIO_DCB_SER 	 ; serial device configuration parameter
}






PRIM 	PSI_DIOSIM_GET_CONF_CNF 	0x8023001D
{
 	retValue 	 ; return value
}






PRIM 	PSI_DIOSIM_CLOSE_DEV_REQ 	0x8024401D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_DIOSIM_CLOSE_DEV_CNF 	0x8024001D
{
 	retValue 	 ; return value
}






PRIM 	PSI_DIOSIM_FLUSH_REQ 	0x8025401D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_DIOSIM_FLUSH_CNF 	0x8025001D
{
 	retValue 	 ; return value
}






PRIM 	PSI_DIOSIM_CLEAR_REQ 	0x8026401D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_DIOSIM_CLEAR_CNF 	0x8026001D
{
 	retValue 	 ; return value
}






PRIM 	PSI_DIOSIM_GET_TXB_REQ 	0x8027401D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_DIOSIM_GET_TXB_CNF 	0x8027001D
{
 	retValue 	 ; return value
}






PRIM 	PSI_DIOSIM_SET_RXB_REQ 	0x8028401D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_DIOSIM_SET_RXB_CNF 	0x8028001D
{
 	retValue 	 ; Primitive Item
}






PRIM 	PSI_DIOSIM_READ_REQ 	0x8029401D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_DIOSIM_READ_SER_CNF 	0x8029001D
{
 	retValue 	 ; return value
 	EXTERN @p_DIO - control_type@ 	control_type 	 ; control info type
 	EXTERN @p_DIO - length@ 	length 	 ; control info len
 	EXTERN @p_DIO - state@ 	state 	 ; control info state
}






PRIM 	PSI_DIOSIM_READ_PKT_CNF 	0x802D001D
{
 	retValue 	 ; return value
}






PRIM 	PSI_DIOSIM_WRITE_SER_REQ 	0x802A401D
{
 	devId 	 ; device identifier
 	EXTERN @p_DIO - DIO_CTRL_LINES@ 	DIO_CTRL_LINES 	 ; serial control info strucrture
}






PRIM 	PSI_DIOSIM_WRITE_PKT_REQ 	0x802E401D
{
 	devId 	 ; device identifier
}






PRIM 	PSI_DIOSIM_WRITE_CNF 	0x802A001D
{
 	retValue 	 ; return value
}






PRIM 	PSI_DIOSIM_EXIT_REQ 	0x802B401D
{
}






PRIM 	PSI_DIOSIM_SIGN_IND 	0x802B001D
{
 	devId 	 ; device identifier
 	signal_type 	 ; signal information
}