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backlight control on Luna: switch PWL instead of LEDB This change is preliminary toward upcoming rework of backlight control logic in our UI firmware. LEDB does not exist on Tango-based platforms (it is not brought out on Tango modules), thus turning it on and off produces absolutely no effect beyond making L1 disable deep sleep when LEDB is turned on. However, both iWOW DSK and our upcoming FC Caramel2 boards have a PWL LED, so let's switch that LED on and off to indicate the state of the UI firmware's backlight control. Note that we are NOT switching the actual Luna LCD backlight here, even though it is trivially controlled with a GPIO. The reason for this seemingly strange choice is that we don't want to turn this development board LCD backlight off until we bring the higher-level backlight control logic up to par, including new logic to "swallow" the first keypress that turns on the darkened LCD.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 24 Oct 2020 07:39:54 +0000
parents 35f7a1dc9f7d
children
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;********************************************************************************
;*** File           : mdl.pdf
;*** Creation       : Wed Mar 11 09:58:17 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  : mdl
;*** Document No.   : 6147.111.97.101
;*** Document Date  : 2002-04-19
;*** Document Status: BEING_PROCESSED
;*** Document Author: SBK
;********************************************************************************



PRAGMA 	SRC_FILE_TIME 	"Thu Nov 29 09:45:46 2007"
PRAGMA 	LAST_MODIFIED 	"2002-04-19"
PRAGMA 	ID_AND_VERSION 	"6147.111.97.101"






VALTAB 	VAL_ch_type
VAL 	0 	CH_TYPE_SACCH 	"SACCH"
VAL 	1 	CH_TYPE_SDCCH 	"SDCCH"
VAL 	2 	CH_TYPE_FACCH 	"FACCH"
VAL 	3 	CH_TYPE_BCCH 	"BCCH"
VAL 	4 	CH_TYPE_CCCH 	"CCCH"
VAL 	5 	CH_TYPE_RACH 	"RACH"
VAL 	6 	CH_TYPE_NBR_CEL_BCCH 	"Neighbour Cell BCCH"

VALTAB 	VAL_sapi
VAL 	0 	SAPI_0 	"SAPI 0"
VAL 	3 	SAPI_3 	"SAPI 3"

VALTAB 	VAL_cs
VAL 	0 	CS_T200_EXP 	"T200 expired (N200 + 1 times)"
VAL 	1 	CS_REEST_REQ 	"re-establishment request"
VAL 	2 	CS_UNSOL_UA_RESP 	"unsolicited UA response"
VAL 	3 	CS_UNSOL_DM_RESP 	"unsolicited DM response"
VAL 	4 	CS_UNSOL_DM_RESP_MULT_FRM 	"unsolicited DM response, multiple frame established state"
VAL 	5 	CS_UNSOL_SUP_RESP 	"unsolicited supervisory response"
VAL 	6 	CS_SEQ_ERR 	"sequence error"
VAL 	7 	CS_UFRM_W_INC_PARA 	"U frame with incorrect parameters"
VAL 	8 	CS_SFRM_W_INC_PARA 	"S frame with incorrect parameters"
VAL 	9 	CS_IFRM_W_INC_MBIT 	"I frame with incorrect use of M bit"
VAL 	10 	CS_IFRM_W_INC_LEN 	"I frame with incorrect length"
VAL 	11 	CS_FRM_NOT_IMPL 	"frame not implemented"
VAL 	12 	CS_SABM_MULT_FRM 	"SABM command, multiple frame established state"
VAL 	13 	CS_SABM_NO_INFO 	"SABM command with information field not allowed in this state"
VAL 	14 	CS_NR_SEQ_ERR 	"sequence error, perform abnormal release"




VAR 	ch_type 	"channel type" 	B

VAL 	@p_mdl - VAL_ch_type@ 	

VAR 	sapi 	"service access point identifier" 	B

VAL 	@p_mdl - VAL_sapi@ 	

VAR 	cs 	"error cause" 	B

VAL 	@p_mdl - VAL_cs@ 	







; MDL_ERROR_IND 	0x80000004
; MDL_RELEASE_REQ 	0x80004004



PRIM 	MDL_ERROR_IND 	0x80000004
{
 	ch_type 	 ; channel type
 	sapi 	 ; service access point identifier
 	cs 	 ; error cause
}






PRIM 	MDL_RELEASE_REQ 	0x80004004
{
 	ch_type 	 ; channel type
 	sapi 	 ; service access point identifier
}