Line | |
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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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