Tue, 26 Aug 2008 12:45:33 +0100
initial commit
| philpem@0 | 1 | #include <stdio.h> |
| philpem@0 | 2 | #include <stdbool.h> |
| philpem@0 | 3 | #include <time.h> |
| philpem@0 | 4 | #include "liblpfk.h" |
| philpem@0 | 5 | |
| philpem@0 | 6 | int main(int argc, char **argv) |
| philpem@0 | 7 | { |
| philpem@0 | 8 | LPFK_CTX ctx; |
| philpem@0 | 9 | int i; |
| philpem@0 | 10 | time_t tm; |
| philpem@0 | 11 | |
| philpem@0 | 12 | if (argc < 2) { |
| philpem@0 | 13 | printf("Syntax: %s commport\n", argv[0]); |
| philpem@0 | 14 | return -1; |
| philpem@0 | 15 | } |
| philpem@0 | 16 | |
| philpem@0 | 17 | if ((i = lpfk_open(argv[1], &ctx)) != LPFK_E_OK) { |
| philpem@0 | 18 | switch(i) { |
| philpem@0 | 19 | case LPFK_E_PORT_OPEN: |
| philpem@0 | 20 | printf("Error opening comm port.\n"); |
| philpem@0 | 21 | break; |
| philpem@0 | 22 | case LPFK_E_NOT_PRESENT: |
| philpem@0 | 23 | printf("LPFK not connected to specified port.\n"); |
| philpem@0 | 24 | break; |
| philpem@0 | 25 | case LPFK_E_COMMS: |
| philpem@0 | 26 | printf("LPFK communications error.\n"); |
| philpem@0 | 27 | break; |
| philpem@0 | 28 | } |
| philpem@0 | 29 | return -2; |
| philpem@0 | 30 | } |
| philpem@0 | 31 | |
| philpem@0 | 32 | // printf("disable: %d\n", lpfk_enable(&ctx, false)); |
| philpem@0 | 33 | // printf("enable : %d\n", lpfk_enable(&ctx, true)); |
| philpem@0 | 34 | |
| philpem@0 | 35 | printf("Scanning LEDs, 1-32...\n"); |
| philpem@0 | 36 | |
| philpem@0 | 37 | for (i=0; i<32; i++) { |
| philpem@0 | 38 | if (i>0) { |
| philpem@0 | 39 | lpfk_set_led(&ctx, i-1, false); |
| philpem@0 | 40 | } |
| philpem@0 | 41 | lpfk_set_led(&ctx, i, true); |
| philpem@0 | 42 | usleep(100000); |
| philpem@0 | 43 | } |
| philpem@0 | 44 | |
| philpem@0 | 45 | // Turn LEDs off |
| philpem@0 | 46 | lpfk_set_leds(&ctx, false); |
| philpem@0 | 47 | |
| philpem@0 | 48 | printf("Now press the keys on the LPFK...\n"); |
| philpem@0 | 49 | |
| philpem@0 | 50 | // scan keys for 5 seconds |
| philpem@0 | 51 | tm = time(NULL); |
| philpem@0 | 52 | do { |
| philpem@0 | 53 | // read keys |
| philpem@0 | 54 | if ((i = lpfk_read(&ctx)) >= 0) { |
| philpem@0 | 55 | // key buffered, toggle the LED |
| philpem@0 | 56 | printf("Key down: #%d\n", i); |
| philpem@0 | 57 | lpfk_set_led(&ctx, i, !lpfk_get_led(&ctx, i)); |
| philpem@0 | 58 | } |
| philpem@0 | 59 | } while ((time(NULL) - tm) < 30); |
| philpem@0 | 60 | |
| philpem@0 | 61 | lpfk_close(&ctx); |
| philpem@0 | 62 | } |
| philpem@0 | 63 |