Files
simtrace2/firmware/libboard/common/source/sim_switch.c

65 lines
1.2 KiB
C

/* Code to switch between local (physical) and remote (emulated) SIM */
#include "board.h"
#include "trace.h"
#include "sim_switch.h"
#ifdef PIN_SIM_SWITCH1
static const Pin pin_conn_usim1 = {PIO_PA20, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
#endif
#ifdef PIN_SIM_SWITCH2
static const Pin pin_conn_usim2 = {PIO_PA28, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT};
#endif
static int initialized = 0;
int sim_switch_use_physical(unsigned int nr, int physical)
{
const Pin *pin;
if (!initialized) {
TRACE_ERROR("Somebody forgot to call sim_switch_init()\r\n");
sim_switch_init();
}
TRACE_INFO("Modem %d: %s SIM\n\r", nr,
physical ? "physical" : "virtual");
switch (nr) {
#ifdef PIN_SIM_SWITCH1
case 1:
pin = &pin_conn_usim1;
break;
#endif
#ifdef PIN_SIM_SWITCH2
case 2:
pin = &pin_conn_usim2;
break;
#endif
default:
TRACE_ERROR("Invalid SIM%u\n\r", nr);
return -1;
}
if (physical)
PIO_Clear(pin);
else
PIO_Set(pin);
return 0;
}
int sim_switch_init(void)
{
int num_switch = 0;
#ifdef PIN_SIM_SWITCH1
PIO_Configure(&pin_conn_usim1, 1);
num_switch++;
#endif
#ifdef PIN_SIM_SWITCH2
PIO_Configure(&pin_conn_usim2, 1);
num_switch++;
#endif
return num_switch;
}