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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
78 lines
1.9 KiB
C
78 lines
1.9 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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//uart12bus 2-20e pa20
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//uart22bus 1-20e pa28
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//usim2bus 1-10e pa0 pivot
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//sim det 2-10e pa13
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static const Pin pins_default[] = {PINS_SIM_DEFAULT};
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static const Pin pins_cem[] = {PINS_SIM_CARDEM};
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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 = PIN_MODEM_EN;// PIN_N_MODEM_PWR_ON;
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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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case 0:
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led = LED_USIM1;
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break;
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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_Configure(pins_default, PIO_LISTSIZE(pins_default));
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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_Configure(pins_cem, PIO_LISTSIZE(pins_cem));
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led_blink(led, BLINK_5O_5F);
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}
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/* just power cycle the modem because this circumvents weird issues with unreliable signals */
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PIO_Clear(&pin);
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mdelay(200);
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PIO_Set(&pin);
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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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PIO_Configure(pins_default, PIO_LISTSIZE(pins_default));
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initialized = 1;
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return 1;
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}
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