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https://gitea.osmocom.org/sim-card/simtrace2.git
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f721e69bc1
Remove the paragraph about writing to the Free Software Foundation's mailing address. The FSF has changed addresses in the past, and may do so again. In 2021 this is not useful, let's rather have a bit less boilerplate at the start of source files. Change-Id: Ie0a3b2273383adbb3303faffd6ff96be7f4cae99
87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
/* Code to switch between local (physical) and remote (emulated) SIM
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*
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* (C) 2015-2017 by Harald Welte <hwelte@hmw-consulting.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "board.h"
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#include "trace.h"
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#include "led.h"
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#include "sim_switch.h"
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#ifdef PIN_SIM_SWITCH1
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static const Pin pin_conn_usim1 = {PIO_PA20, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
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#endif
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#ifdef PIN_SIM_SWITCH2
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static const Pin pin_conn_usim2 = {PIO_PA28, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
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#endif
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static int initialized = 0;
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int sim_switch_use_physical(unsigned int nr, int physical)
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{
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const Pin *pin;
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enum led led;
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if (!initialized) {
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TRACE_ERROR("Somebody forgot to call sim_switch_init()\r\n");
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sim_switch_init();
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}
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TRACE_INFO("Modem %d: %s SIM\n\r", nr,
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physical ? "physical" : "virtual");
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switch (nr) {
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#ifdef PIN_SIM_SWITCH1
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case 0:
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pin = &pin_conn_usim1;
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led = LED_USIM1;
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break;
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#endif
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#ifdef PIN_SIM_SWITCH2
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case 1:
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pin = &pin_conn_usim2;
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led = LED_USIM2;
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break;
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#endif
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default:
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TRACE_ERROR("Invalid SIM%u\n\r", nr);
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return -1;
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}
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if (physical) {
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TRACE_INFO("%u: Use local/physical SIM\r\n", nr);
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PIO_Clear(pin);
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led_blink(led, BLINK_ALWAYS_ON);
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} else {
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TRACE_INFO("%u: Use remote/emulated SIM\r\n", nr);
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PIO_Set(pin);
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led_blink(led, BLINK_ALWAYS_OFF);
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}
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return 0;
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}
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int sim_switch_init(void)
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{
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int num_switch = 0;
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#ifdef PIN_SIM_SWITCH1
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PIO_Configure(&pin_conn_usim1, 1);
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num_switch++;
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#endif
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#ifdef PIN_SIM_SWITCH2
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PIO_Configure(&pin_conn_usim2, 1);
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num_switch++;
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#endif
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initialized = 1;
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return num_switch;
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}
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