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osmo-remsim
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add sim switch and modem reset for OWHW 

Change-Id: I9d395c2c7e10a0e7e5f7c84bc7d951431bfc68ba
This commit is contained in:
Kevin Redon 2018-10-11 19:14:00 +02:00 committed by Harald Welte
parent fbca97a87e
commit 3428e415b3
1 changed files with 50 additions and 0 deletions
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50
src/simtrace2-remsim_client.c
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@ -18,6 +18,9 @@
#include <unistd.h>
#include <stdio.h>
#include <linux/limits.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <signal.h>
#include <getopt.h>
@ -25,6 +28,7 @@
#include "simtrace2/libusb_util.h"
#include "simtrace2/simtrace_prot.h"
#include "simtrace2/simtrace_usb.h"
#include "simtrace2/apdu_dispatch.h"
#include "simtrace2/simtrace2-discovery.h"
@ -797,6 +801,52 @@ int main(int argc, char **argv)
goto close_exit;
}
// switch modem SIM port to emulated SIM on OWHW
if (USB_VENDOR_OPENMOKO == ifm->vendor && USB_PRODUCT_OWHW_SAM3 == ifm->product) { // we are on the OWHW
int modem = -1;
switch (ifm->interface) { // the USB interface indicates for which modem we want to emulate the SIM
case 0:
modem = 1;
break;
case 1:
modem = 2;
break;
default:
fprintf(stderr, "unknown GPIO for SIMtrace interface %d\n", ifm->interface);
goto close_exit;
}
//
char gpio_path[PATH_MAX];
snprintf(gpio_path, sizeof(gpio_path), "/dev/gpio/connect_st_usim%d/value", modem);
int connec_st_usim = open(gpio_path, O_WRONLY);
if (-1 == connec_st_usim) {
fprintf(stderr, "can't open GPIO %s to switch modem %d to emulated USIM\n", gpio_path, modem);
goto close_exit;
}
if (1 != write(connec_st_usim, "1", 1)) {
fprintf(stderr, "can't write GPIO %s to switch modem %d to emulated USIM\n", gpio_path, modem);
goto close_exit;
}
printf("switched modem %d to emulated USIM\n", modem);
snprintf(gpio_path, sizeof(gpio_path), "/dev/gpio/mdm%d_rst/value", modem);
int mdm_rst = open(gpio_path, O_WRONLY);
if (-1 == mdm_rst) {
fprintf(stderr, "can't open GPIO %s to reset modem %d\n", gpio_path, modem);
goto close_exit;
}
if (1 != write(mdm_rst, "1", 1)) {
fprintf(stderr, "can't write GPIO %s to reset modem %d\n", gpio_path, modem);
goto close_exit;
}
sleep(1); // wait a bit to ensure reset is effective
if (1 != write(mdm_rst, "0", 1)) {
fprintf(stderr, "can't write GPIO %s to reset modem %d\n", gpio_path, modem);
goto close_exit;
}
printf("modem %d reset\n", modem);
}
/* simulate card-insert to modem (owhw, not qmod) */
cardem_request_card_insert(ci, true);