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simtrace2
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simtrace: add dedicated power pins configuration for sniffing 

Change-Id: Ie37edbae6ea42d2b0c2a30eb5590afd0be797d39
This commit is contained in:
Kevin Redon 2018-06-11 13:42:23 +02:00 committed by King Kévin
parent 45ad62d8d4
commit ee62a9da56
2 changed files with 6 additions and 6 deletions
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10
firmware/libboard/simtrace/include/board.h
View File

@ -14,6 +14,8 @@
#define PIN_BOOTLOADER_SW {PIO_PA31, PIOA, ID_PIOA, PIO_INPUT, PIO_PULLUP}
/* Enable powering the card using the second 3.3 V output of the LDO (active high) */
#define SIM_PWEN_PIN {SIM_PWEN, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT}
/* Enable powering the SIM card */
#define PWR_PINS SIM_PWEN_PIN
/* Card presence pin */
#define SW_SIM PIO_PA8
/* Pull card presence pin high (shorted to ground in card slot when card is present) */
@ -49,7 +51,7 @@
/* Pin used as clock input (to measure the ETU duration; connected to CLK_PHONE in schematic) */
#define PIN_PHONE_CLK_INPUT {PIO_PA29B_TCLK2, PIOA, ID_PIOA, PIO_PERIPH_B, PIO_DEFAULT}
/** Default configuration **/
/** Default pin configuration **/
/* Disconnect VPP, CLK, and RST lines between card and phone using bus switch (high sets bus switch to high-impedance) */
#define PIN_SC_SW_DEFAULT {PIO_PA20, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT}
/* Disconnect I/O line between card and phone using bus switch (high sets bus switch to high-impedance) */
@ -64,16 +66,14 @@
#define PIN_IO_SW_SNIFF {PIO_PA19, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT}
/* Connect all lines (VPP, CLK, RST, and I/O) between card and phone */
#define PINS_BUS_SNIFF PIN_SC_SW_SNIFF, PIN_IO_SW_SNIFF
/* Use RST_SIM line to detect phone issued card reset */
#define PIN_SIM_RST_SNIFF {PIO_PA7, PIOA, ID_PIOA, PIO_INPUT, PIO_PULLUP | PIO_DEBOUNCE | PIO_DEGLITCH | PIO_IT_EDGE }
/* Pins used to sniff phone-card communication */
#define PINS_SIM_SNIFF_SIM PIN_SIM_IO, PIN_SIM_CLK, PIN_SIM_RST_SNIFF
#define PINS_SIM_SNIFF PIN_SIM_IO, PIN_SIM_CLK, PIN_SIM_RST
/* Disable power converter 4.5-6V to 3.3V (active high) */
#define PIN_SIM_PWEN_SNIFF {SIM_PWEN, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT}
/* Enable power switch to forward VCC_PHONE to VCC_SIM (active high) */
#define PIN_VCC_FWD_SNIFF {VCC_FWD, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT}
/* Use phone VCC to power card */
#define PWR_PINS PIN_SIM_PWEN_SNIFF, PIN_VCC_FWD_SNIFF
#define PINS_PWR_SNIFF PIN_SIM_PWEN_SNIFF, PIN_VCC_FWD_SNIFF
/** CCID configuration */
/* Card RST reset signal input (active low; RST_SIM in schematic) */

2
firmware/libcommon/source/sniffer.c
View File

@ -42,7 +42,7 @@
* Internal variables
*------------------------------------------------------------------------------*/
/* Pin configuration to sniff communication (using USART connection to SIM card) */
static const Pin pins_sniff[] = { PINS_SIM_SNIFF_SIM };
static const Pin pins_sniff[] = { PINS_SIM_SNIFF };
/* Connect phone to card using bus switch */
static const Pin pins_bus[] = { PINS_BUS_SNIFF };
/* Power card using phone VCC */