mirror of https://gerrit.osmocom.org/simtrace2
123 lines
3.5 KiB
C
123 lines
3.5 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
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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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/* 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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