| 1 | #include <stdarg.h> |
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| 2 | #include <stdio.h> |
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| 3 | #include <stdlib.h> |
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| 4 | |
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| 5 | #include <bluetooth/bluetooth.h> |
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| 6 | #include <cwiid.h> |
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| 7 | |
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| 8 | /* This is a sample program written to demonstrate basic CWiid libwiimote |
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| 9 | * usage, until _actual_ documentation can be written. It's quick and dirty |
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| 10 | * has a horrible interface, but it's sparce enough to pick out the important |
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| 11 | * parts easily. For examples of read and write code, see wmgui. Speaker |
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| 12 | * support is "experimental" (read: bad) enough to be disabled. The beginnings |
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| 13 | * of a speaker output function are in libwiimote source. */ |
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| 14 | /* Note: accelerometer (including nunchuk) and IR outputs produce a |
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| 15 | * lot of data - the purpose of this program is demonstration, not good |
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| 16 | * interface, and it shows. */ |
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| 17 | |
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| 18 | cwiid_mesg_callback_t cwiid_callback; |
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| 19 | |
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| 20 | #define toggle_bit(bf,b) \ |
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| 21 | (bf) = ((bf) & b) \ |
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| 22 | ? ((bf) & ~(b)) \ |
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| 23 | : ((bf) | (b)) |
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| 24 | |
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| 25 | #define MENU \ |
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| 26 | "1: toggle LED 1\n" \ |
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| 27 | "2: toggle LED 2\n" \ |
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| 28 | "3: toggle LED 3\n" \ |
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| 29 | "4: toggle LED 4\n" \ |
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| 30 | "5: toggle rumble\n" \ |
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| 31 | "a: toggle accelerometer reporting\n" \ |
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| 32 | "b: toggle button reporting\n" \ |
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| 33 | "c: enable motionplus, if connected\n" \ |
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| 34 | "e: toggle extension reporting\n" \ |
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| 35 | "i: toggle ir reporting\n" \ |
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| 36 | "m: toggle messages\n" \ |
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| 37 | "p: print this menu\n" \ |
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| 38 | "r: request status message ((t) enables callback output)\n" \ |
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| 39 | "s: print current state\n" \ |
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| 40 | "t: toggle status reporting\n" \ |
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| 41 | "x: exit\n" |
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| 42 | |
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| 43 | void set_led_state(cwiid_wiimote_t *wiimote, unsigned char led_state); |
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| 44 | void set_rpt_mode(cwiid_wiimote_t *wiimote, unsigned char rpt_mode); |
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| 45 | void print_state(struct cwiid_state *state); |
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| 46 | |
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| 47 | cwiid_err_t err; |
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| 48 | void err(cwiid_wiimote_t *wiimote, const char *s, va_list ap) |
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| 49 | { |
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| 50 | if (wiimote) printf("%d:", cwiid_get_id(wiimote)); |
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| 51 | else printf("-1:"); |
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| 52 | vprintf(s, ap); |
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| 53 | printf("\n"); |
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| 54 | } |
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| 55 | |
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| 56 | int main(int argc, char *argv[]) |
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| 57 | { |
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| 58 | cwiid_wiimote_t *wiimote; /* wiimote handle */ |
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| 59 | struct cwiid_state state; /* wiimote state */ |
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| 60 | bdaddr_t bdaddr; /* bluetooth device address */ |
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| 61 | unsigned char mesg = 0; |
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| 62 | unsigned char led_state = 0; |
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| 63 | unsigned char rpt_mode = 0; |
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| 64 | unsigned char rumble = 0; |
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| 65 | int exit = 0; |
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| 66 | |
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| 67 | cwiid_set_err(err); |
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| 68 | |
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| 69 | /* Connect to address given on command-line, if present */ |
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| 70 | if (argc > 1) { |
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| 71 | str2ba(argv[1], &bdaddr); |
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| 72 | } |
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| 73 | else { |
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| 74 | bdaddr = *BDADDR_ANY; |
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| 75 | } |
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| 76 | |
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| 77 | /* Connect to the wiimote */ |
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| 78 | printf("Press any button on a synced wiimote to connect\n"); |
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| 79 | if (!(wiimote = cwiid_listen(0))) { |
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| 80 | fprintf(stderr, "Unable to connect to wiimote\n"); |
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| 81 | return -1; |
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| 82 | } |
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| 83 | if (cwiid_set_mesg_callback(wiimote, cwiid_callback)) { |
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| 84 | fprintf(stderr, "Unable to set message callback\n"); |
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| 85 | } |
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| 86 | |
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| 87 | printf("Note: To demonstrate the new API interfaces, wmdemo no longer " |
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| 88 | "enables messages by default.\n" |
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| 89 | "Output can be gathered through the new state-based interface (s), " |
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| 90 | "or by enabling the messages interface (m).\n"); |
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| 91 | |
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| 92 | /* Menu */ |
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| 93 | printf("%s", MENU); |
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| 94 | |
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| 95 | while (!exit) { |
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| 96 | switch (getchar()) { |
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| 97 | case '1': |
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| 98 | toggle_bit(led_state, CWIID_LED1_ON); |
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| 99 | set_led_state(wiimote, led_state); |
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| 100 | break; |
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| 101 | case '2': |
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| 102 | toggle_bit(led_state, CWIID_LED2_ON); |
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| 103 | set_led_state(wiimote, led_state); |
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| 104 | break; |
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| 105 | case '3': |
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| 106 | toggle_bit(led_state, CWIID_LED3_ON); |
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| 107 | set_led_state(wiimote, led_state); |
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| 108 | break; |
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| 109 | case '4': |
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| 110 | toggle_bit(led_state, CWIID_LED4_ON); |
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| 111 | set_led_state(wiimote, led_state); |
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| 112 | break; |
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| 113 | case '5': |
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| 114 | toggle_bit(rumble, 1); |
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| 115 | if (cwiid_set_rumble(wiimote, rumble)) { |
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| 116 | fprintf(stderr, "Error setting rumble\n"); |
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| 117 | } |
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| 118 | break; |
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| 119 | case 'a': |
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| 120 | toggle_bit(rpt_mode, CWIID_RPT_ACC); |
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| 121 | set_rpt_mode(wiimote, rpt_mode); |
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| 122 | break; |
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| 123 | case 'b': |
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| 124 | toggle_bit(rpt_mode, CWIID_RPT_BTN); |
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| 125 | set_rpt_mode(wiimote, rpt_mode); |
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| 126 | break; |
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| 127 | case 'c': |
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| 128 | cwiid_enable(wiimote, CWIID_FLAG_MOTIONPLUS); |
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| 129 | break; |
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| 130 | case 'e': |
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| 131 | /* CWIID_RPT_EXT is actually |
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| 132 | * CWIID_RPT_NUNCHUK | CWIID_RPT_CLASSIC | CWIID_RPT_BALANCE */ |
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| 133 | toggle_bit(rpt_mode, CWIID_RPT_EXT); |
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| 134 | set_rpt_mode(wiimote, rpt_mode); |
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| 135 | break; |
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| 136 | case 'i': |
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| 137 | /* libwiimote picks the highest quality IR mode available with the |
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| 138 | * other options selected (not including as-yet-undeciphered |
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| 139 | * interleaved mode */ |
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| 140 | toggle_bit(rpt_mode, CWIID_RPT_IR); |
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| 141 | set_rpt_mode(wiimote, rpt_mode); |
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| 142 | break; |
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| 143 | case 'm': |
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| 144 | if (!mesg) { |
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| 145 | if (cwiid_enable(wiimote, CWIID_FLAG_MESG_IFC)) { |
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| 146 | fprintf(stderr, "Error enabling messages\n"); |
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| 147 | } |
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| 148 | else { |
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| 149 | mesg = 1; |
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| 150 | } |
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| 151 | } |
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| 152 | else { |
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| 153 | if (cwiid_disable(wiimote, CWIID_FLAG_MESG_IFC)) { |
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| 154 | fprintf(stderr, "Error disabling message\n"); |
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| 155 | } |
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| 156 | else { |
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| 157 | mesg = 0; |
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| 158 | } |
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| 159 | } |
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| 160 | break; |
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| 161 | case 'p': |
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| 162 | printf("%s", MENU); |
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| 163 | break; |
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| 164 | case 'r': |
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| 165 | if (cwiid_request_status(wiimote)) { |
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| 166 | fprintf(stderr, "Error requesting status message\n"); |
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| 167 | } |
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| 168 | break; |
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| 169 | case 's': |
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| 170 | if (cwiid_get_state(wiimote, &state)) { |
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| 171 | fprintf(stderr, "Error getting state\n"); |
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| 172 | } |
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| 173 | print_state(&state); |
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| 174 | break; |
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| 175 | case 't': |
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| 176 | toggle_bit(rpt_mode, CWIID_RPT_STATUS); |
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| 177 | set_rpt_mode(wiimote, rpt_mode); |
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| 178 | break; |
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| 179 | case 'x': |
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| 180 | exit = -1; |
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| 181 | break; |
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| 182 | case '\n': |
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| 183 | break; |
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| 184 | default: |
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| 185 | fprintf(stderr, "invalid option\n"); |
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| 186 | } |
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| 187 | } |
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| 188 | |
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| 189 | if (cwiid_close(wiimote)) { |
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| 190 | fprintf(stderr, "Error on wiimote disconnect\n"); |
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| 191 | return -1; |
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| 192 | } |
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| 193 | |
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| 194 | return 0; |
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| 195 | } |
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| 196 | |
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| 197 | void set_led_state(cwiid_wiimote_t *wiimote, unsigned char led_state) |
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| 198 | { |
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| 199 | if (cwiid_set_led(wiimote, led_state)) { |
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| 200 | fprintf(stderr, "Error setting LEDs \n"); |
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| 201 | } |
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| 202 | } |
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| 203 | |
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| 204 | void set_rpt_mode(cwiid_wiimote_t *wiimote, unsigned char rpt_mode) |
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| 205 | { |
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| 206 | if (cwiid_set_rpt_mode(wiimote, rpt_mode)) { |
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| 207 | fprintf(stderr, "Error setting report mode\n"); |
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| 208 | } |
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| 209 | } |
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| 210 | |
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| 211 | void print_state(struct cwiid_state *state) |
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| 212 | { |
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| 213 | int i; |
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| 214 | int valid_source = 0; |
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| 215 | |
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| 216 | printf("Report Mode:"); |
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| 217 | if (state->rpt_mode & CWIID_RPT_STATUS) printf(" STATUS"); |
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| 218 | if (state->rpt_mode & CWIID_RPT_BTN) printf(" BTN"); |
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| 219 | if (state->rpt_mode & CWIID_RPT_ACC) printf(" ACC"); |
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| 220 | if (state->rpt_mode & CWIID_RPT_IR) printf(" IR"); |
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| 221 | if (state->rpt_mode & CWIID_RPT_NUNCHUK) printf(" NUNCHUK"); |
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| 222 | if (state->rpt_mode & CWIID_RPT_CLASSIC) printf(" CLASSIC"); |
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| 223 | if (state->rpt_mode & CWIID_RPT_BALANCE) printf(" BALANCE"); |
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| 224 | if (state->rpt_mode & CWIID_RPT_MOTIONPLUS) printf(" MOTIONPLUS"); |
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| 225 | printf("\n"); |
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| 226 | |
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| 227 | printf("Active LEDs:"); |
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| 228 | if (state->led & CWIID_LED1_ON) printf(" 1"); |
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| 229 | if (state->led & CWIID_LED2_ON) printf(" 2"); |
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| 230 | if (state->led & CWIID_LED3_ON) printf(" 3"); |
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| 231 | if (state->led & CWIID_LED4_ON) printf(" 4"); |
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| 232 | printf("\n"); |
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| 233 | |
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| 234 | printf("Rumble: %s\n", state->rumble ? "On" : "Off"); |
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| 235 | |
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| 236 | printf("Battery: %d%%\n", |
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| 237 | (int)(100.0 * state->battery / CWIID_BATTERY_MAX)); |
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| 238 | |
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| 239 | printf("Buttons: %X\n", state->buttons); |
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| 240 | |
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| 241 | printf("Acc: x=%d y=%d z=%d\n", state->acc[CWIID_X], state->acc[CWIID_Y], |
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| 242 | state->acc[CWIID_Z]); |
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| 243 | |
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| 244 | printf("IR: "); |
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| 245 | for (i = 0; i < CWIID_IR_SRC_COUNT; i++) { |
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| 246 | if (state->ir_src[i].valid) { |
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| 247 | valid_source = 1; |
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| 248 | printf("(%d,%d) ", state->ir_src[i].pos[CWIID_X], |
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| 249 | state->ir_src[i].pos[CWIID_Y]); |
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| 250 | } |
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| 251 | } |
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| 252 | if (!valid_source) { |
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| 253 | printf("no sources detected"); |
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| 254 | } |
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| 255 | printf("\n"); |
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| 256 | |
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| 257 | switch (state->ext_type) { |
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| 258 | case CWIID_EXT_NONE: |
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| 259 | printf("No extension\n"); |
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| 260 | break; |
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| 261 | case CWIID_EXT_UNKNOWN: |
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| 262 | printf("Unknown extension attached\n"); |
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| 263 | break; |
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| 264 | case CWIID_EXT_NUNCHUK: |
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| 265 | printf("Nunchuk: btns=%.2X stick=(%d,%d) acc.x=%d acc.y=%d " |
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| 266 | "acc.z=%d\n", state->ext.nunchuk.buttons, |
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| 267 | state->ext.nunchuk.stick[CWIID_X], |
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| 268 | state->ext.nunchuk.stick[CWIID_Y], |
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| 269 | state->ext.nunchuk.acc[CWIID_X], |
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| 270 | state->ext.nunchuk.acc[CWIID_Y], |
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| 271 | state->ext.nunchuk.acc[CWIID_Z]); |
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| 272 | break; |
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| 273 | case CWIID_EXT_CLASSIC: |
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| 274 | printf("Classic: btns=%.4X l_stick=(%d,%d) r_stick=(%d,%d) " |
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| 275 | "l=%d r=%d\n", state->ext.classic.buttons, |
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| 276 | state->ext.classic.l_stick[CWIID_X], |
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| 277 | state->ext.classic.l_stick[CWIID_Y], |
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| 278 | state->ext.classic.r_stick[CWIID_X], |
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| 279 | state->ext.classic.r_stick[CWIID_Y], |
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| 280 | state->ext.classic.l, state->ext.classic.r); |
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| 281 | break; |
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| 282 | case CWIID_EXT_BALANCE: |
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| 283 | printf("Balance: right_top=%d right_bottom=%d " |
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| 284 | "left_top=%d left_bottom=%d\n", |
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| 285 | state->ext.balance.right_top, |
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| 286 | state->ext.balance.right_bottom, |
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| 287 | state->ext.balance.left_top, |
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| 288 | state->ext.balance.left_bottom); |
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| 289 | break; |
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| 290 | case CWIID_EXT_MOTIONPLUS: |
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| 291 | printf("MotionPlus: angle_rate=(%d,%d,%d) low_speed=(%d,%d,%d)\n", |
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| 292 | state->ext.motionplus.angle_rate[0], |
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| 293 | state->ext.motionplus.angle_rate[1], |
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| 294 | state->ext.motionplus.angle_rate[2], |
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| 295 | state->ext.motionplus.low_speed[0], |
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| 296 | state->ext.motionplus.low_speed[1], |
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| 297 | state->ext.motionplus.low_speed[2]); |
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| 298 | break; |
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| 299 | } |
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| 300 | } |
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| 301 | |
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| 302 | /* Prototype cwiid_callback with cwiid_callback_t, define it with the actual |
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| 303 | * type - this will cause a compile error (rather than some undefined bizarre |
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| 304 | * behavior) if cwiid_callback_t changes */ |
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| 305 | /* cwiid_mesg_callback_t has undergone a few changes lately, hopefully this |
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| 306 | * will be the last. Some programs need to know which messages were received |
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| 307 | * simultaneously (e.g. for correlating accelerometer and IR data), and the |
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| 308 | * sequence number mechanism used previously proved cumbersome, so we just |
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| 309 | * pass an array of messages, all of which were received at the same time. |
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| 310 | * The id is to distinguish between multiple wiimotes using the same callback. |
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| 311 | * */ |
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| 312 | void cwiid_callback(cwiid_wiimote_t *wiimote, int mesg_count, |
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| 313 | union cwiid_mesg mesg[], struct timespec *timestamp) |
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| 314 | { |
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| 315 | int i, j; |
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| 316 | int valid_source; |
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| 317 | |
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| 318 | for (i=0; i < mesg_count; i++) |
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| 319 | { |
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| 320 | switch (mesg[i].type) { |
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| 321 | case CWIID_MESG_STATUS: |
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| 322 | printf("Status Report: battery=%d extension=", |
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| 323 | mesg[i].status_mesg.battery); |
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| 324 | switch (mesg[i].status_mesg.ext_type) { |
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| 325 | case CWIID_EXT_NONE: |
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| 326 | printf("none"); |
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| 327 | break; |
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| 328 | case CWIID_EXT_NUNCHUK: |
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| 329 | printf("Nunchuk"); |
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| 330 | break; |
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| 331 | case CWIID_EXT_CLASSIC: |
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| 332 | printf("Classic Controller"); |
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| 333 | break; |
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| 334 | case CWIID_EXT_BALANCE: |
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| 335 | printf("Balance Board"); |
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| 336 | break; |
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| 337 | case CWIID_EXT_MOTIONPLUS: |
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| 338 | printf("MotionPlus"); |
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| 339 | break; |
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| 340 | default: |
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| 341 | printf("Unknown Extension"); |
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| 342 | break; |
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| 343 | } |
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| 344 | printf("\n"); |
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| 345 | break; |
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| 346 | case CWIID_MESG_BTN: |
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| 347 | printf("Button Report: %.4X\n", mesg[i].btn_mesg.buttons); |
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| 348 | break; |
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| 349 | case CWIID_MESG_ACC: |
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| 350 | printf("Acc Report: x=%d, y=%d, z=%d\n", |
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| 351 | mesg[i].acc_mesg.acc[CWIID_X], |
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| 352 | mesg[i].acc_mesg.acc[CWIID_Y], |
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| 353 | mesg[i].acc_mesg.acc[CWIID_Z]); |
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| 354 | break; |
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| 355 | case CWIID_MESG_IR: |
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| 356 | printf("IR Report: "); |
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| 357 | valid_source = 0; |
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| 358 | for (j = 0; j < CWIID_IR_SRC_COUNT; j++) { |
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| 359 | if (mesg[i].ir_mesg.src[j].valid) { |
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| 360 | valid_source = 1; |
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| 361 | printf("(%d,%d) ", mesg[i].ir_mesg.src[j].pos[CWIID_X], |
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| 362 | mesg[i].ir_mesg.src[j].pos[CWIID_Y]); |
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| 363 | } |
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| 364 | } |
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| 365 | if (!valid_source) { |
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| 366 | printf("no sources detected"); |
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| 367 | } |
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| 368 | printf("\n"); |
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| 369 | break; |
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| 370 | case CWIID_MESG_NUNCHUK: |
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| 371 | printf("Nunchuk Report: btns=%.2X stick=(%d,%d) acc.x=%d acc.y=%d " |
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| 372 | "acc.z=%d\n", mesg[i].nunchuk_mesg.buttons, |
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| 373 | mesg[i].nunchuk_mesg.stick[CWIID_X], |
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| 374 | mesg[i].nunchuk_mesg.stick[CWIID_Y], |
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| 375 | mesg[i].nunchuk_mesg.acc[CWIID_X], |
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| 376 | mesg[i].nunchuk_mesg.acc[CWIID_Y], |
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| 377 | mesg[i].nunchuk_mesg.acc[CWIID_Z]); |
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| 378 | break; |
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| 379 | case CWIID_MESG_CLASSIC: |
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| 380 | printf("Classic Report: btns=%.4X l_stick=(%d,%d) r_stick=(%d,%d) " |
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| 381 | "l=%d r=%d\n", mesg[i].classic_mesg.buttons, |
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| 382 | mesg[i].classic_mesg.l_stick[CWIID_X], |
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| 383 | mesg[i].classic_mesg.l_stick[CWIID_Y], |
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| 384 | mesg[i].classic_mesg.r_stick[CWIID_X], |
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| 385 | mesg[i].classic_mesg.r_stick[CWIID_Y], |
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| 386 | mesg[i].classic_mesg.l, mesg[i].classic_mesg.r); |
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| 387 | break; |
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| 388 | case CWIID_MESG_BALANCE: |
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| 389 | printf("Balance Report: right_top=%d right_bottom=%d " |
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| 390 | "left_top=%d left_bottom=%d\n", |
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| 391 | mesg[i].balance_mesg.right_top, |
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| 392 | mesg[i].balance_mesg.right_bottom, |
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| 393 | mesg[i].balance_mesg.left_top, |
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| 394 | mesg[i].balance_mesg.left_bottom); |
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| 395 | break; |
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| 396 | case CWIID_MESG_MOTIONPLUS: |
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| 397 | printf("MotionPlus Report: angle_rate=(%d,%d,%d) low_speed=(%d,%d,%d)\n", |
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| 398 | mesg[i].motionplus_mesg.angle_rate[0], |
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| 399 | mesg[i].motionplus_mesg.angle_rate[1], |
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| 400 | mesg[i].motionplus_mesg.angle_rate[2], |
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| 401 | mesg[i].motionplus_mesg.low_speed[0], |
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| 402 | mesg[i].motionplus_mesg.low_speed[1], |
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| 403 | mesg[i].motionplus_mesg.low_speed[2]); |
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| 404 | break; |
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| 405 | case CWIID_MESG_ERROR: |
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| 406 | if (cwiid_close(wiimote)) { |
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| 407 | fprintf(stderr, "Error on wiimote disconnect\n"); |
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| 408 | exit(-1); |
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| 409 | } |
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| 410 | exit(0); |
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| 411 | break; |
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| 412 | default: |
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| 413 | printf("Unknown Report"); |
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| 414 | break; |
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| 415 | } |
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| 416 | } |
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| 417 | } |
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