Harald Welte | 5c583d3 | 2017-05-09 06:46:47 +0200 | [diff] [blame] | 1 | /* Code to switch between local (physical) and remote (emulated) SIM */ |
| 2 | |
| 3 | #include "board.h" |
| 4 | #include "trace.h" |
| 5 | #include "sim_switch.h" |
| 6 | |
| 7 | #ifdef PIN_SIM_SWITCH1 |
| 8 | static const Pin pin_conn_usim1 = {PIO_PA20, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT}; |
| 9 | #endif |
| 10 | #ifdef PIN_SIM_SWITCH2 |
| 11 | static const Pin pin_conn_usim2 = {PIO_PA28, PIOA, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT}; |
| 12 | #endif |
| 13 | |
| 14 | static int initialized = 0; |
| 15 | |
| 16 | int sim_switch_use_physical(unsigned int nr, int physical) |
| 17 | { |
| 18 | const Pin *pin; |
| 19 | |
| 20 | if (!initialized) { |
| 21 | TRACE_ERROR("Somebody forgot to call sim_switch_init()\r\n"); |
| 22 | sim_switch_init(); |
| 23 | } |
| 24 | |
| 25 | TRACE_INFO("Modem %d: %s SIM\n\r", nr, |
| 26 | physical ? "physical" : "virtual"); |
| 27 | |
| 28 | switch (nr) { |
| 29 | #ifdef PIN_SIM_SWITCH1 |
Harald Welte | 44622df | 2017-05-11 00:04:50 +0200 | [diff] [blame] | 30 | case 0: |
Harald Welte | 5c583d3 | 2017-05-09 06:46:47 +0200 | [diff] [blame] | 31 | pin = &pin_conn_usim1; |
| 32 | break; |
| 33 | #endif |
| 34 | #ifdef PIN_SIM_SWITCH2 |
Harald Welte | 44622df | 2017-05-11 00:04:50 +0200 | [diff] [blame] | 35 | case 1: |
Harald Welte | 5c583d3 | 2017-05-09 06:46:47 +0200 | [diff] [blame] | 36 | pin = &pin_conn_usim2; |
| 37 | break; |
| 38 | #endif |
| 39 | default: |
| 40 | TRACE_ERROR("Invalid SIM%u\n\r", nr); |
| 41 | return -1; |
| 42 | } |
| 43 | |
Harald Welte | 0709d2d | 2017-05-11 00:06:00 +0200 | [diff] [blame^] | 44 | if (physical) { |
| 45 | TRACE_INFO("%u: Use local/physical SIM\r\n", nr); |
Harald Welte | 5c583d3 | 2017-05-09 06:46:47 +0200 | [diff] [blame] | 46 | PIO_Clear(pin); |
Harald Welte | 0709d2d | 2017-05-11 00:06:00 +0200 | [diff] [blame^] | 47 | } else { |
| 48 | TRACE_INFO("%u: Use remote/emulated SIM\r\n", nr); |
Harald Welte | 5c583d3 | 2017-05-09 06:46:47 +0200 | [diff] [blame] | 49 | PIO_Set(pin); |
Harald Welte | 0709d2d | 2017-05-11 00:06:00 +0200 | [diff] [blame^] | 50 | } |
Harald Welte | 5c583d3 | 2017-05-09 06:46:47 +0200 | [diff] [blame] | 51 | |
| 52 | return 0; |
| 53 | } |
| 54 | |
| 55 | int sim_switch_init(void) |
| 56 | { |
| 57 | int num_switch = 0; |
| 58 | #ifdef PIN_SIM_SWITCH1 |
| 59 | PIO_Configure(&pin_conn_usim1, 1); |
| 60 | num_switch++; |
| 61 | #endif |
| 62 | #ifdef PIN_SIM_SWITCH2 |
| 63 | PIO_Configure(&pin_conn_usim2, 1); |
| 64 | num_switch++; |
| 65 | #endif |
| 66 | return num_switch; |
| 67 | } |