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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
121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
/* SIMtrace with SAM3S specific application code
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*
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* (C) 2017 by Harald Welte <laforge@gnumonks.org>
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* (C) 2018 by sysmocom -s.f.m.c. GmbH, Author: Kevin Redon <kredon@sysmocom.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 <stdbool.h>
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#include "board.h"
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#include "simtrace.h"
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#include "utils.h"
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#include "sim_switch.h"
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#include <osmocom/core/timer.h>
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#include "usb_buf.h"
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#include "i2c.h"
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#include "mcp23017.h"
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#include "mux.h"
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static bool mcp2317_present = false;
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void board_exec_dbg_cmd(int ch)
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{
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switch (ch) {
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case '?':
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printf("\t?\thelp\n\r");
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printf("\t0-8\tselect physical SIM slot\n\r");
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printf("\tR\treset SAM3\n\r");
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printf("\tm\trun mcp23017 test\n\r");
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printf("\ti\tset card insert via I2C\n\r");
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printf("\tI\tdisable card insert\n\r");
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break;
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case '0': mux_set_slot(0); break;
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case '1': mux_set_slot(1); break;
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case '2': mux_set_slot(2); break;
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case '3': mux_set_slot(3); break;
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case '4': mux_set_slot(4); break;
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case '5': mux_set_slot(5); break;
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case '6': mux_set_slot(6); break;
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case '7': mux_set_slot(7); break;
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case 'R':
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printf("Asking NVIC to reset us\n\r");
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USBD_Disconnect();
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NVIC_SystemReset();
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break;
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case 'm':
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mcp23017_test(MCP23017_ADDRESS);
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break;
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case 'i':
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printf("Setting card insert (slot=%u)\r\n", mux_get_slot());
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mcp23017_set_output_a(MCP23017_ADDRESS, (1 << mux_get_slot()));
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break;
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case 'I':
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printf("Releasing card insert (slot=%u)\r\n", mux_get_slot());
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mcp23017_set_output_a(MCP23017_ADDRESS, 0);
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break;
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default:
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printf("Unknown command '%c'\n\r", ch);
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break;
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}
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}
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void board_main_top(void)
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{
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#ifndef APPLICATION_dfu
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usb_buf_init();
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mux_init();
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i2c_pin_init();
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/* PORT A: all outputs, Port B0 output, B1..B7 unused */
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if (mcp23017_init(MCP23017_ADDRESS, 0x00, 0xfe) == 0) {
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mcp2317_present = true;
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mcp23017_set_output_a(MCP23017_ADDRESS, 0);
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}
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/* Initialize checking for card insert/remove events */
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//card_present_init();
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#endif
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}
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int board_override_enter_dfu(void)
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{
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const Pin bl_sw_pin = PIN_BOOTLOADER_SW;
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PIO_Configure(&bl_sw_pin, 1);
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/* Enter DFU bootloader in case the respective button is pressed */
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if (PIO_Get(&bl_sw_pin) == 0) {
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/* do not print to early since the console is not initialized yet */
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//printf("BOOTLOADER switch pressed -> Force DFU\n\r");
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return 1;
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} else
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return 0;
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}
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void board_set_card_insert(struct cardem_inst *ci, bool card_insert)
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{
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int s = mux_get_slot();
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/* A0 .. A7 of the MCP are each connected to the gate of a FET which closes
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* the sim-present signal of the respective slot */
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if (mcp2317_present) {
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if (card_insert) {
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/* we must enable card-presence of the active slot and disable it on all others */
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mcp23017_set_output_a(MCP23017_ADDRESS, (1 << s));
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} else {
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/* we disable all card insert signals */
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mcp23017_set_output_a(MCP23017_ADDRESS, 0);
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}
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} else {
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TRACE_WARNING("No MCP23017 present; cannot set CARD_INSERT\r\n");
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}
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}
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