mirror of https://gerrit.osmocom.org/simtrace2
159 lines
4.2 KiB
C
159 lines
4.2 KiB
C
/* sysmocom ngff-cardem application code
|
|
*
|
|
* (C) 2021 Harald Welte <laforge@osmocom.org>
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
|
|
*/
|
|
#include "board.h"
|
|
#include "simtrace.h"
|
|
#include "utils.h"
|
|
#include "led.h"
|
|
#include "wwan_led.h"
|
|
#include "wwan_perst.h"
|
|
#include "sim_switch.h"
|
|
#include "boardver_adc.h"
|
|
#include "card_pres.h"
|
|
#include <osmocom/core/timer.h>
|
|
#include "usb_buf.h"
|
|
|
|
/* array of generated USB Strings */
|
|
extern unsigned char *usb_strings[];
|
|
|
|
/* returns '1' in case we should break any endless loop */
|
|
void board_exec_dbg_cmd(int ch)
|
|
{
|
|
switch (ch) {
|
|
case '?':
|
|
printf("\t?\thelp\n\r");
|
|
printf("\tR\treset SAM3\n\r");
|
|
printf("\tl\tswitch off LED 1\n\r");
|
|
printf("\tL\tswitch on LED 1\n\r");
|
|
printf("\tg\tswitch off LED 2\n\r");
|
|
printf("\tG\tswitch on LED 2\n\r");
|
|
printf("\t1\tGenerate 1ms reset pulse on WWAN1\n\r");
|
|
printf("\t!\tSwitch Channel A from physical -> remote\n\r");
|
|
printf("\tt\t(pseudo)talloc report\n\r");
|
|
break;
|
|
case 'R':
|
|
printf("Asking NVIC to reset us\n\r");
|
|
USBD_Disconnect();
|
|
NVIC_SystemReset();
|
|
break;
|
|
case 'l':
|
|
led_blink(LED_GREEN, BLINK_ALWAYS_OFF);
|
|
printf("LED 1 switched off\n\r");
|
|
break;
|
|
case 'L':
|
|
led_blink(LED_GREEN, BLINK_ALWAYS_ON);
|
|
printf("LED 1 switched on\n\r");
|
|
break;
|
|
case 'g':
|
|
led_blink(LED_RED, BLINK_ALWAYS_OFF);
|
|
printf("LED 2 switched off\n\r");
|
|
break;
|
|
case 'G':
|
|
led_blink(LED_RED, BLINK_ALWAYS_ON);
|
|
printf("LED 2 switched on\n\r");
|
|
break;
|
|
case '1':
|
|
printf("Resetting Modem\n\r");
|
|
wwan_perst_do_reset_pulse(0, 300);
|
|
break;
|
|
case '!':
|
|
sim_switch_use_physical(0, 0);
|
|
break;
|
|
case 't':
|
|
talloc_report(NULL, stdout);
|
|
break;
|
|
default:
|
|
printf("Unknown command '%c'\n\r", ch);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void board_main_top(void)
|
|
{
|
|
#ifndef APPLICATION_dfu
|
|
usb_buf_init();
|
|
|
|
wwan_led_init();
|
|
wwan_perst_init();
|
|
sim_switch_init();
|
|
#endif
|
|
|
|
/* Obtain the circuit board version (currently just prints voltage) */
|
|
get_board_version_adc();
|
|
#ifndef APPLICATION_dfu
|
|
/* Initialize checking for card insert/remove events */
|
|
card_present_init();
|
|
#endif
|
|
wwan_perst_set(0, 0);
|
|
}
|
|
|
|
static int uart_has_loopback_jumper(void)
|
|
{
|
|
unsigned int i;
|
|
const Pin uart_loopback_pins[] = {
|
|
{PIO_PA9A_URXD0, PIOA, ID_PIOA, PIO_INPUT, PIO_DEFAULT},
|
|
{PIO_PA10A_UTXD0, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT}
|
|
};
|
|
|
|
/* Configure UART pins as I/O */
|
|
PIO_Configure(uart_loopback_pins, PIO_LISTSIZE(uart_loopback_pins));
|
|
|
|
/* Send pattern over UART TX and check if it is received on RX
|
|
* If the loop doesn't get interrupted, RxD always follows TxD and thus a
|
|
* loopback jumper has been placed on RxD/TxD, and we will boot
|
|
* into DFU unconditionally
|
|
*/
|
|
int has_loopback_jumper = 1;
|
|
for (i = 0; i < 10; i++) {
|
|
/* Set TxD high; abort if RxD doesn't go high either */
|
|
PIO_Set(&uart_loopback_pins[1]);
|
|
if (!PIO_Get(&uart_loopback_pins[0])) {
|
|
has_loopback_jumper = 0;
|
|
break;
|
|
}
|
|
/* Set TxD low, abort if RxD doesn't go low either */
|
|
PIO_Clear(&uart_loopback_pins[1]);
|
|
if (PIO_Get(&uart_loopback_pins[0])) {
|
|
has_loopback_jumper = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Put pins back to UART mode */
|
|
const Pin uart_pins[] = {PINS_UART};
|
|
PIO_Configure(uart_pins, PIO_LISTSIZE(uart_pins));
|
|
|
|
return has_loopback_jumper;
|
|
}
|
|
|
|
int board_override_enter_dfu(void)
|
|
{
|
|
/* If the loopback jumper is set, we enter DFU mode */
|
|
if (uart_has_loopback_jumper())
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const Pin deton = {PIO_PA13, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
|
|
static const Pin detoff = {PIO_PA13, PIOA, ID_PIOA, PIO_OUTPUT_1, PIO_DEFAULT};
|
|
|
|
void board_set_card_insert(struct cardem_inst *ci, bool card_insert)
|
|
{
|
|
PIO_Configure(card_insert ? &deton : &detoff, 1);
|
|
} |