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Added a major refactoring to include Emulated interface.

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It works in combination with virtualsmarcard module (vpcd). It properly installed, it creates a virtual reader that can be interfaced via PCSC+vcpd. At user app level, it has no difference of having a physical smart card.

At this moment, it only works emulating a CCID interface.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2023-01-09 18:06:21 +01:00
parent 2d511df5d8
commit 4919eb980f
24 changed files with 617 additions and 141 deletions
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42
src/main.c
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@@ -18,11 +18,17 @@
#include <stdio.h>
// Pico
#ifndef ENABLE_EMULATION
#include "pico/stdlib.h"
#else
#include <sys/time.h>
#include "emulation.h"
#endif
// For memcpy
#include <string.h>
#ifndef ENABLE_EMULATION
// Include descriptor struct definitions
//#include "usb_common.h"
// USB register definitions from pico-sdk
@@ -35,12 +41,16 @@
#include "hardware/resets.h"
#include "pico/multicore.h"
#endif
#include "random.h"
#include "hsm.h"
#include "apdu.h"
#ifndef ENABLE_EMULATION
#include "usb.h"
#include "hardware/rtc.h"
#include "bsp/board.h"
#endif
extern void do_flash();
extern void low_flash_init();
@@ -50,6 +60,8 @@ uint8_t num_apps = 0;
app_t *current_app = NULL;
const uint8_t *ccid_atr = NULL;
int register_app(app_t * (*select_aid)(app_t *, const uint8_t *, uint8_t)) {
if (num_apps < sizeof(apps)/sizeof(app_t)) {
apps[num_apps].select_aid = select_aid;
@@ -65,6 +77,15 @@ void led_set_blink(uint32_t mode) {
blink_interval_ms = mode;
}
uint32_t timeout = 0;
void timeout_stop() {
timeout = 0;
}
void timeout_start() {
timeout = board_millis();
}
void execute_tasks();
static bool req_button_pending = false;
@@ -76,6 +97,14 @@ bool is_req_button_pending() {
uint32_t button_timeout = 15000;
bool cancel_button = false;
#ifdef ENABLE_EMULATION
uint32_t board_millis() {
struct timeval start;
gettimeofday(&start, NULL);
return (start.tv_sec * 1000 + start.tv_usec/1000);
}
#else
bool wait_button() {
uint32_t start_button = board_millis();
bool timeout = false;
@@ -104,6 +133,7 @@ bool wait_button() {
req_button_pending = false;
return timeout || cancel_button;
}
#endif
struct apdu apdu;
@@ -142,7 +172,7 @@ void led_off_all() {
}
void init_rtc() {
#ifndef ENABLE_EMULATION
rtc_init();
datetime_t dt = {
.year = 2020,
@@ -154,19 +184,22 @@ void init_rtc() {
.sec = 00
};
rtc_set_datetime(&dt);
#endif
}
extern void neug_task();
pico_unique_board_id_t unique_id;
extern void usb_task();
void execute_tasks() {
usb_task();
#ifndef ENABLE_EMULATION
tud_task(); // tinyusb device task
#endif
led_blinking_task();
}
int main(void) {
#ifndef ENABLE_EMULATION
usb_init();
board_init();
@@ -191,6 +224,9 @@ int main(void) {
tusb_init();
//prepare_ccid();
#else
emul_init("127.0.0.1",35963);
#endif
random_init();