FreeCalypso > hg > fc-magnetite
view cdg3/cdginc-locosto/p_dti.val @ 629:3231dd9b38c1
armio.c: make GPIOs 8 & 13 outputs driving 1 on all "classic" targets
Calypso GPIOs 8 & 13 are pinmuxed with MCUEN1 & MCUEN2, respectively,
and on powerup these pins are MCUEN, i.e., outputs driving 1. TI's code
for C-Sample and earlier turns them into GPIOs configured as outputs also
driving 1 - so far, so good - but TI's code for BOARD 41 (which covers
D-Sample, Leonardo and all real world Calypso devices derived from the
latter) switches them from MCUEN to GPIOs, but then leaves them as inputs.
Given that the hardware powerup state of these two pins is outputs driving 1,
every Calypso board design MUST be compatible with such driving; typically
these GPIO signals will be either unused and unconnected or connected as
outputs driving some peripheral. Turning these pins into GPIO inputs will
result in floating inputs on every reasonably-wired board, thus I am
convinced that this configuration is nothing but a bug on the part of
whoever wrote this code at TI.
This floating input bug had already been fixed earlier for GTA modem and
FCDEV3B targets; the present change makes the fix unconditional for all
"classic" targets. The newly affected targets are D-Sample, Leonardo,
Tango and GTM900.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 02 Jan 2020 05:38:26 +0000 |
parents | c15047b3d00d |
children |
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/* +--------------------------------------------------------------------------+ | PROJECT : PROTOCOL STACK | | FILE : p_dti.val | | SOURCE : "sap\dti.pdf" | | LastModified : "2000-06-29" | | IdAndVersion : "8411.110.00.007" | | SrcFileTime : "Thu Nov 29 09:40:22 2007" | | Generated by CCDGEN_2.5.5A on Thu Sep 25 09:18:53 2014 | | !!DO NOT MODIFY!!DO NOT MODIFY!!DO NOT MODIFY!! | +--------------------------------------------------------------------------+ */ /* PRAGMAS * PREFIX : NONE * COMPATIBILITY_DEFINES : NO (require PREFIX) * ALWAYS_ENUM_IN_VAL_FILE: NO * ENABLE_GROUP: NO * CAPITALIZE_TYPENAME: NO */ #ifndef P_DTI_VAL #define P_DTI_VAL #define CDG_ENTER__P_DTI_VAL #define CDG_ENTER__FILENAME _P_DTI_VAL #define CDG_ENTER__P_DTI_VAL__FILE_TYPE CDGINC #define CDG_ENTER__P_DTI_VAL__LAST_MODIFIED _2000_06_29 #define CDG_ENTER__P_DTI_VAL__ID_AND_VERSION _8411_110_00_007 #define CDG_ENTER__P_DTI_VAL__SRC_FILE_TIME _Thu_Nov_29_09_40_22_2007 #include "CDG_ENTER.h" #undef CDG_ENTER__P_DTI_VAL #undef CDG_ENTER__FILENAME /* * Value constants for VAL_c_id */ #define DTI_NSAPI_0 (0x0) /* escape mechanism for future extensions */ #define DTI_NSAPI_1 (0x1) /* Point-To-Multipoint Multicast information */ #define DTI_NSAPI_2 (0x2) /* reserved for future use */ #define DTI_NSAPI_3 (0x3) /* reserved for future use */ #define DTI_NSAPI_4 (0x4) /* reserved for future use */ #define DTI_NSAPI_5 (0x5) /* dynamically allocated NSAPI value */ #define DTI_NSAPI_6 (0x6) /* dynamically allocated NSAPI value */ #define DTI_NSAPI_7 (0x7) /* dynamically allocated NSAPI value */ #define DTI_NSAPI_8 (0x8) /* dynamically allocated NSAPI value */ #define DTI_NSAPI_9 (0x9) /* dynamically allocated NSAPI value */ #define DTI_NSAPI_10 (0xa) /* dynamically allocated NSAPI value */ #define DTI_NSAPI_11 (0xb) /* dynamically allocated NSAPI value */ #define DTI_NSAPI_12 (0xc) /* dynamically allocated NSAPI value */ #define DTI_NSAPI_13 (0xd) /* dynamically allocated NSAPI value */ #define DTI_NSAPI_14 (0xe) /* dynamically allocated NSAPI value */ #define DTI_NSAPI_15 (0xf) /* dynamically allocated NSAPI value */ #define DTI_C_ID_DEFAULT (0x5) /* Default value for c_id */ /* * Value constants for VAL_p_id */ #define DTI_PID_IP (0x21) /* simple ip packet */ #define DTI_PID_CTCP (0x2d) /* Van Jacobson compressed TCP/IP header */ #define DTI_PID_UTCP (0x2f) /* Van Jacobson uncompressed TCP/IP header */ #define DTI_PID_FRAME (0x0) /* PPP frame */ /* * Value constants for VAL_op_ack */ #define OP_ACK (0x1) /* acknowledged operation mode */ #define OP_UNACK (0x0) /* unacknowledged operation mode */ /* * Value constants for VAL_st_flow */ #define DTI_FLOW_ON (0x0) /* flow control is inactive */ #define DTI_FLOW_OFF (0x1) /* flow control is active */ /* * Value constants for VAL_st_line_sa */ #define DTI_SA_ON (0x0) /* SA is inactive */ #define DTI_SA_OFF (0x1) /* SA is active */ /* * Value constants for VAL_st_line_sb */ #define DTI_SB_ON (0x0) /* SB is inactive */ #define DTI_SB_OFF (0x1) /* SB is active */ /* * Value constants for VAL_st_escape */ #define DTI_ESC_OFF (0x0) /* No escape detected */ #define DTI_ESC_ON (0x1) /* Escape detected */ #include "CDG_LEAVE.h" #endif