Rev | Line | |
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[10] | 1 | //driver_raw.c: |
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| 2 | |
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| 3 | #include "roard.h" |
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| 4 | |
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| 5 | int driver_raw_open(DRIVER_USERDATA_T * inst, char * device, struct roar_audio_info * info) { |
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| 6 | int * di = malloc(sizeof(int)); |
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| 7 | |
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| 8 | if ( di == NULL ) |
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| 9 | return -1; |
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| 10 | |
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| 11 | *inst = (DRIVER_USERDATA_T)di; |
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| 12 | |
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| 13 | if ( device == NULL ) { |
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| 14 | free(di); |
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| 15 | *inst = NULL; |
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| 16 | return -1; |
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| 17 | } |
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| 18 | |
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| 19 | *di = open(device, O_CREAT|O_TRUNC|O_WRONLY, 0644); |
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| 20 | |
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| 21 | if ( *di == -1 ) { |
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| 22 | free(di); |
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| 23 | *inst = NULL; |
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| 24 | return -1; |
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| 25 | } |
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| 26 | |
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| 27 | return 0; |
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| 28 | } |
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| 29 | |
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| 30 | int driver_raw_close(DRIVER_USERDATA_T inst) { |
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| 31 | int fh = *(int*)inst; |
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| 32 | |
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| 33 | free((void*)inst); |
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| 34 | |
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| 35 | return close(fh); |
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| 36 | } |
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| 37 | |
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| 38 | int driver_raw_pause(DRIVER_USERDATA_T inst, int newstate) { |
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| 39 | return -1; |
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| 40 | } |
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| 41 | |
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| 42 | int driver_raw_write(DRIVER_USERDATA_T inst, char * buf, int len) { |
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| 43 | return write(*(int*)inst, buf, len); |
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| 44 | } |
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| 45 | |
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| 46 | int driver_raw_read(DRIVER_USERDATA_T inst, char * buf, int len) { |
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| 47 | return read(*(int*)inst, buf, len); |
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| 48 | } |
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| 49 | |
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| 50 | int driver_raw_flush(DRIVER_USERDATA_T inst) { |
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| 51 | return 0; |
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| 52 | } |
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| 53 | |
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| 54 | //ll |
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