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/* Code to switch between local (physical) and remote (emulated) SIM
*
* (C) 2015-2017 by Harald Welte <hwelte@hmw-consulting.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "board.h"
#include "trace.h"
#include "led.h"
#include "sim_switch.h"
#ifdef PIN_SIM_SWITCH1
static const Pin pin_conn_usim1 = {PIO_PA20, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
#endif
#ifdef PIN_SIM_SWITCH2
static const Pin pin_conn_usim2 = {PIO_PA28, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
#endif
static int initialized = 0;
int sim_switch_use_physical(unsigned int nr, int physical)
{
const Pin *pin;
enum led led;
if (!initialized) {
TRACE_ERROR("Somebody forgot to call sim_switch_init()\r\n");
sim_switch_init();
}
TRACE_INFO("Modem %d: %s SIM\n\r", nr,
physical ? "physical" : "virtual");
switch (nr) {
#ifdef PIN_SIM_SWITCH1
case 0:
pin = &pin_conn_usim1;
led = LED_USIM1;
break;
#endif
#ifdef PIN_SIM_SWITCH2
case 1:
pin = &pin_conn_usim2;
led = LED_USIM2;
break;
#endif
default:
TRACE_ERROR("Invalid SIM%u\n\r", nr);
return -1;
}
if (physical) {
TRACE_INFO("%u: Use local/physical SIM\r\n", nr);
PIO_Clear(pin);
led_blink(led, BLINK_ALWAYS_ON);
} else {
TRACE_INFO("%u: Use remote/emulated SIM\r\n", nr);
PIO_Set(pin);
led_blink(led, BLINK_ALWAYS_OFF);
}
return 0;
}
int sim_switch_init(void)
{
int num_switch = 0;
#ifdef PIN_SIM_SWITCH1
PIO_Configure(&pin_conn_usim1, 1);
num_switch++;
#endif
#ifdef PIN_SIM_SWITCH2
PIO_Configure(&pin_conn_usim2, 1);
num_switch++;
#endif
initialized = 1;
return num_switch;
}
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