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annotate src/cs/services/buzm/buzm_api.c @ 297:8dfdf88d632f

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BUZM SWE initial implementation
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 29 Mar 2022 03:45:41 +0000
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8dfdf88d632f BUZM SWE initial implementation
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1 /*
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2 * The implementation of our external API functions lives here.
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3 */
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4
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5 #include "buzm/buzm_api.h"
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6 #include "buzm/buzm_env.h"
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7 #include "buzm/buzm_messages_i.h"
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8 #include "rv/rv_general.h"
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9 #include "rvf/rvf_api.h"
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10 #include "rvm/rvm_use_id_list.h"
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11 #include "ffs/ffs_api.h"
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12
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13 T_RV_RET buzm_play_melody(const char *pathname, UINT8 volume, BOOL loop)
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14 {
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15 struct buzm_start_msg *msg;
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16 T_FFS_FD fd;
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17
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18 if (!buzm_env)
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19 return RV_NOT_READY;
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20 if (volume < BUZM_VOLUME_MIN || volume > BUZM_VOLUME_MAX)
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21 return RV_INVALID_PARAMETER;
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22 fd = ffs_open(pathname, FFS_O_RDONLY);
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23 if (fd <= 0)
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24 return RV_INVALID_PARAMETER;
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25 if (rvf_get_buf(buzm_env->prim_id, sizeof(struct buzm_start_msg),
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26 (T_RVF_BUFFER **)&msg) == RVF_RED) {
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27 rvf_send_trace(
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28 "rvf_get_buf() failed in buzm_play_melody()", 42,
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29 NULL_PARAM, RV_TRACE_LEVEL_ERROR, BUZM_USE_ID);
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30 ffs_close(fd);
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31 return RV_MEMORY_ERR;
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32 }
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33 msg->hdr.msg_id = BUZM_START_REQ;
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34 msg->hdr.src_addr_id = buzm_env->addr_id;
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35 msg->hdr.dest_addr_id = buzm_env->addr_id;
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36 msg->hdr.callback_func = NULL;
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37 msg->fd = fd;
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38 msg->volume = volume;
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39 msg->loop = loop;
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40 if (rvf_send_msg(buzm_env->addr_id, msg) != RV_OK) {
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41 rvf_send_trace("buzm_play_melody(): Send failed!", 32,
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42 NULL_PARAM, RV_TRACE_LEVEL_ERROR, BUZM_USE_ID);
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43 rvf_free_buf(msg);
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44 ffs_close(fd);
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45 return RV_INTERNAL_ERR;
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46 }
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47 return RV_OK;
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48 }
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49
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50 T_RV_RET buzm_stop_melody(void)
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51 {
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52 struct buzm_stop_msg *msg;
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53
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54 if (!buzm_env)
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55 return RV_NOT_READY;
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56 if (rvf_get_buf(buzm_env->prim_id, sizeof(struct buzm_stop_msg),
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57 (T_RVF_BUFFER **)&msg) == RVF_RED) {
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58 rvf_send_trace(
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59 "rvf_get_buf() failed in buzm_stop_melody()", 42,
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60 NULL_PARAM, RV_TRACE_LEVEL_ERROR, BUZM_USE_ID);
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61 return RV_MEMORY_ERR;
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62 }
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63 msg->hdr.msg_id = BUZM_STOP_REQ;
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64 msg->hdr.src_addr_id = buzm_env->addr_id;
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65 msg->hdr.dest_addr_id = buzm_env->addr_id;
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66 msg->hdr.callback_func = NULL;
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67 if (rvf_send_msg(buzm_env->addr_id, msg) != RV_OK) {
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68 rvf_send_trace("buzm_stop_melody(): Send failed!", 32,
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69 NULL_PARAM, RV_TRACE_LEVEL_ERROR, BUZM_USE_ID);
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70 rvf_free_buf(msg);
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71 return RV_INTERNAL_ERR;
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72 }
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73 return RV_OK;
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74 }