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// FIXME: Copyright license here
/*------------------------------------------------------------------------------
* Headers
*------------------------------------------------------------------------------*/
#include "board.h"
#include "simtrace.h"
#include "utils.h"
#include "osmocom/core/timer.h"
unsigned int g_unique_id[4];
/*------------------------------------------------------------------------------
* Internal variables
*------------------------------------------------------------------------------*/
typedef struct {
/* static initialization, called whether or not the usb config is active */
void (*configure) (void);
/* initialization function after the config was selected */
void (*init) (void);
/* de-initialization before selecting new config */
void (*exit) (void);
/* main loop content for given configuration */
void (*run) (void);
/* Interrupt handler for USART0 */
void (*usart0_irq) (void);
/* Interrupt handler for USART1 */
void (*usart1_irq) (void);
} conf_func;
static const conf_func config_func_ptrs[] = {
/* array slot 0 is empty, usb configs start at 1 */
#ifdef HAVE_SNIFFER
[CFG_NUM_SNIFF] = {
.configure = Sniffer_configure,
.init = Sniffer_init,
.exit = Sniffer_exit,
.run = Sniffer_run,
.usart0_irq = Sniffer_usart0_irq,
.usart1_irq = Sniffer_usart1_irq,
},
#endif
#ifdef HAVE_CCID
[CFG_NUM_CCID] = {
.configure = CCID_configure,
.init = CCID_init,
.exit = CCID_exit,
.run = CCID_run,
},
#endif
#ifdef HAVE_CARDEM
[CFG_NUM_PHONE] = {
.configure = mode_cardemu_configure,
.init = mode_cardemu_init,
.exit = mode_cardemu_exit,
.run = mode_cardemu_run,
.usart0_irq = mode_cardemu_usart0_irq,
.usart1_irq = mode_cardemu_usart1_irq,
},
#endif
#ifdef HAVE_MITM
[CFG_NUM_MITM] = {
.configure = MITM_configure,
.init = MITM_init,
.exit = MITM_exit,
.run = MITM_run,
},
#endif
};
/*------------------------------------------------------------------------------
* Internal variables
*------------------------------------------------------------------------------*/
#if defined(HAVE_SNIFFER)
static volatile enum confNum simtrace_config = CFG_NUM_SNIFF;
#elif defined(HAVE_CARDEM)
static volatile enum confNum simtrace_config = CFG_NUM_PHONE;
#elif defined(HAVE_CCID)
static volatile enum confNum simtrace_config = CFG_NUM_CCID;
#endif
/*----------------------------------------------------------------------------
* Callbacks
*----------------------------------------------------------------------------*/
void USBDDriverCallbacks_ConfigurationChanged(uint8_t cfgnum)
{
TRACE_INFO_WP("cfgChanged%d ", cfgnum);
simtrace_config = cfgnum;
}
void USART1_IrqHandler(void)
{
if (config_func_ptrs[simtrace_config].usart1_irq)
config_func_ptrs[simtrace_config].usart1_irq();
}
void USART0_IrqHandler(void)
{
if (config_func_ptrs[simtrace_config].usart0_irq)
config_func_ptrs[simtrace_config].usart0_irq();
}
/* returns '1' in case we should break any endless loop */
static void check_exec_dbg_cmd(void)
{
int ch;
if (!UART_IsRxReady())
return;
ch = UART_GetChar();
board_exec_dbg_cmd(ch);
}
/*------------------------------------------------------------------------------
* Main
*------------------------------------------------------------------------------*/
#define MAX_USB_ITER BOARD_MCK/72 // This should be around a second
extern int main(void)
{
uint8_t isUsbConnected = 0;
enum confNum last_simtrace_config = simtrace_config;
unsigned int i = 0;
led_init();
led_blink(LED_RED, BLINK_3O_5F);
/* Enable watchdog for 2000 ms, with no window */
WDT_Enable(WDT, WDT_MR_WDRSTEN | WDT_MR_WDDBGHLT | WDT_MR_WDIDLEHLT |
(WDT_GetPeriod(2000) << 16) | WDT_GetPeriod(2000));
PIO_InitializeInterrupts(0);
EEFC_ReadUniqueID(g_unique_id);
printf("\n\r\n\r"
"=============================================================================\n\r"
"SIMtrace2 firmware " GIT_VERSION " (C) 2010-2016 by Harald Welte\n\r"
"=============================================================================\n\r");
TRACE_INFO("Chip ID: 0x%08x (Ext 0x%08x)\n\r", CHIPID->CHIPID_CIDR, CHIPID->CHIPID_EXID);
TRACE_INFO("Serial Nr. %08x-%08x-%08x-%08x\n\r",
g_unique_id[0], g_unique_id[1],
g_unique_id[2], g_unique_id[3]);
TRACE_INFO("Reset Cause: 0x%x\n\r", (RSTC->RSTC_SR & RSTC_SR_RSTTYP_Msk) >> RSTC_SR_RSTTYP_Pos);
TRACE_INFO("USB configuration used: %d\n\r", simtrace_config);
board_main_top();
TRACE_INFO("USB init...\n\r");
SIMtrace_USB_Initialize();
while (USBD_GetState() < USBD_STATE_CONFIGURED) {
WDT_Restart(WDT);
check_exec_dbg_cmd();
#if 0
if (i >= MAX_USB_ITER * 3) {
TRACE_ERROR("Resetting board (USB could "
"not be configured)\n\r");
USBD_Disconnect();
NVIC_SystemReset();
}
#endif
i++;
}
TRACE_INFO("calling configure of all configurations...\n\r");
for (i = 1; i < sizeof(config_func_ptrs) / sizeof(config_func_ptrs[0]);
++i) {
if (config_func_ptrs[i].configure)
config_func_ptrs[i].configure();
}
TRACE_INFO("calling init of config %u...\n\r", simtrace_config);
config_func_ptrs[simtrace_config].init();
last_simtrace_config = simtrace_config;
TRACE_INFO("entering main loop...\n\r");
while (1) {
WDT_Restart(WDT);
#if TRACE_LEVEL >= TRACE_LEVEL_DEBUG
const char rotor[] = { '-', '\\', '|', '/' };
putchar('\b');
putchar(rotor[i++ % ARRAY_SIZE(rotor)]);
#endif
check_exec_dbg_cmd();
osmo_timers_prepare();
osmo_timers_update();
if (USBD_GetState() < USBD_STATE_CONFIGURED) {
if (isUsbConnected) {
isUsbConnected = 0;
}
} else if (isUsbConnected == 0) {
TRACE_INFO("USB is now configured\n\r");
isUsbConnected = 1;
}
if (last_simtrace_config != simtrace_config) {
TRACE_INFO("USB config chg %u -> %u\n\r",
last_simtrace_config, simtrace_config);
config_func_ptrs[last_simtrace_config].exit();
config_func_ptrs[simtrace_config].init();
last_simtrace_config = simtrace_config;
} else {
config_func_ptrs[simtrace_config].run();
}
}
}
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