FreeCalypso > hg > fc-magnetite
view cdg3/sap/tra.pdf @ 680:ee3ac8c617cb
armio.c: set GPIO2 output high initially
On TI-canonical platforms GPIO2 is DCD modem control output. In TI's
original code the AI_InitIOConfig() function called from Init_Target()
would configure GPIO2 as an output and set the initial output value to
low, but then the init code in uartfax.c called from Init_Serial_Flows()
would immediately change it to high, corresponding to DCD not asserted.
The result is a momentary asserted-state glitch on the DCD output.
The present change eliminates this glitch, setting DCD output to
not-asserted initially like it should be.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 25 Jun 2020 03:17:43 +0000 |
parents | c15047b3d00d |
children |
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;******************************************************************************** ;*** File : tra.pdf ;*** Creation : Wed Mar 11 09:58:53 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 : tra ;*** Document No. : 8411.106.98.101 ;*** Document Date : 2002-06-10 ;*** Document Status: BEING_PROCESSED ;*** Document Author: TVO ;******************************************************************************** PRAGMA SRC_FILE_TIME "Thu Nov 29 09:55:46 2007" PRAGMA LAST_MODIFIED "2002-06-10" PRAGMA ID_AND_VERSION "8411.106.98.101" VALTAB VAL_entity_name VAL 6 TRA_ENTITY_NAME_LEN "Max name length" VALTAB VAL_ack_flg VAL 0 TRA_ACK "acknowledged" VAL 1 TRA_NAK "not acknowledged" VALTAB VAL_dti_direction VAL 0 TRA_DTI_NORMAL "DTI used normally" VAL 1 TRA_DTI_INVERTED "DTI is inverted" VALTAB VAL_dti_conn VAL 0 TRA_CONNECT_DTI "Connect DTI to TRA" VAL 1 TRA_DISCONNECT_DTI "Connect DTI to upper layer" VAR entity_name "name of an neighbour entity" B VAL @p_tra - VAL_entity_name@ VAR ack_flg "acknowledge flag" B VAL @p_tra - VAL_ack_flg@ VAR link_id "link identifier" L VAR dti_direction "DTI direction" B VAL @p_tra - VAL_dti_direction@ VAR dti_conn "DTI connect" B VAL @p_tra - VAL_dti_conn@ ; TRA_ACTIVATE_REQ 0x80000019 ; TRA_ACTIVATE_CNF 0x80004019 ; TRA_DEACTIVATE_REQ 0x80010019 ; TRA_DEACTIVATE_CNF 0x80014019 ; TRA_DTI_REQ 0x80020019 ; TRA_DTI_CNF 0x80024019 ; TRA_DTI_IND 0x80034019 PRIM TRA_ACTIVATE_REQ 0x80000019 { } PRIM TRA_ACTIVATE_CNF 0x80004019 { ack_flg ; acknowledge flag } PRIM TRA_DEACTIVATE_REQ 0x80010019 { } PRIM TRA_DEACTIVATE_CNF 0x80014019 { } PRIM TRA_DTI_REQ 0x80020019 { dti_conn ; DTI connect link_id ; Link identifier of DTI entity_name [TRA_ENTITY_NAME_LEN] ; Communication entity name dti_direction ; DTI direction } PRIM TRA_DTI_CNF 0x80024019 { dti_conn ; DTI connect link_id ; Link identifier } PRIM TRA_DTI_IND 0x80034019 { link_id ; link identifier }