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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
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;********************************************************************************
;*** File           : tb.pdf
;*** Creation       : Wed Mar 11 09:58:52 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  : tb
;*** Document No.   : 8441.112.01.002
;*** Document Date  : 2001-07-17
;*** Document Status: BEING_PROCESSED
;*** Document Author: SAB
;********************************************************************************



PRAGMA 	SRC_FILE_TIME 	"Thu Nov 29 09:54:48 2007"
PRAGMA 	LAST_MODIFIED 	"2001-07-17"
PRAGMA 	ID_AND_VERSION 	"8441.112.01.002"



CONST 	TB_BA_LIST_SIZE 	33 	; BA list size



VALTAB 	VAL_arfcn
VAL 	1 - 124 	"GSM 900 without extension band"
VAL 	1 - 174 	"GSM 900 with extension band"
VAL 	512 - 810 	"PCS 1900"
VAL 	512 - 885 	"DCS 1800"
VAL 	1 - 498 	"Dual band(GSM/DCS)"
VAL 	1 - 548 	"Dual band(EGSM/DCS)"
VAL 	0xFFFF 	TB_INVALID_ARFCN 	"Used to mark a channel number entry as invalid."




VAR 	num_meas 	"number" 	B


VAR 	rxlev 	"measurement value" 	S


VAR 	arfcn 	"channel number" 	S

VAL 	@p_tb - VAL_arfcn@ 	

VAR 	sc_rxlev 	"RXLEV value of the serving cell." 	B





COMP 	tb_meas_result 	 ""
{
 	arfcn 	 ; Channel Number
 	rxlev 	 ; ACC Level
 	num_meas 	 ; ACC nbr
}






; TB_MEAS_IND 	0x1800
; TB_RXLEV_SC_REQ 	0x5800



PRIM 	TB_MEAS_IND 	0x1800
{
 	tb_meas_result 	[TB_BA_LIST_SIZE] 	 ; Measurement result
}






PRIM 	TB_RXLEV_SC_REQ 	0x5800
{
 	sc_rxlev 	 ; RXLEV Serving Cell
}