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comparison 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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296:a927f030a4e0 297:8dfdf88d632f
1 /*
2 * The implementation of our external API functions lives here.
3 */
4
5 #include "buzm/buzm_api.h"
6 #include "buzm/buzm_env.h"
7 #include "buzm/buzm_messages_i.h"
8 #include "rv/rv_general.h"
9 #include "rvf/rvf_api.h"
10 #include "rvm/rvm_use_id_list.h"
11 #include "ffs/ffs_api.h"
12
13 T_RV_RET buzm_play_melody(const char *pathname, UINT8 volume, BOOL loop)
14 {
15 struct buzm_start_msg *msg;
16 T_FFS_FD fd;
17
18 if (!buzm_env)
19 return RV_NOT_READY;
20 if (volume < BUZM_VOLUME_MIN || volume > BUZM_VOLUME_MAX)
21 return RV_INVALID_PARAMETER;
22 fd = ffs_open(pathname, FFS_O_RDONLY);
23 if (fd <= 0)
24 return RV_INVALID_PARAMETER;
25 if (rvf_get_buf(buzm_env->prim_id, sizeof(struct buzm_start_msg),
26 (T_RVF_BUFFER **)&msg) == RVF_RED) {
27 rvf_send_trace(
28 "rvf_get_buf() failed in buzm_play_melody()", 42,
29 NULL_PARAM, RV_TRACE_LEVEL_ERROR, BUZM_USE_ID);
30 ffs_close(fd);
31 return RV_MEMORY_ERR;
32 }
33 msg->hdr.msg_id = BUZM_START_REQ;
34 msg->hdr.src_addr_id = buzm_env->addr_id;
35 msg->hdr.dest_addr_id = buzm_env->addr_id;
36 msg->hdr.callback_func = NULL;
37 msg->fd = fd;
38 msg->volume = volume;
39 msg->loop = loop;
40 if (rvf_send_msg(buzm_env->addr_id, msg) != RV_OK) {
41 rvf_send_trace("buzm_play_melody(): Send failed!", 32,
42 NULL_PARAM, RV_TRACE_LEVEL_ERROR, BUZM_USE_ID);
43 rvf_free_buf(msg);
44 ffs_close(fd);
45 return RV_INTERNAL_ERR;
46 }
47 return RV_OK;
48 }
49
50 T_RV_RET buzm_stop_melody(void)
51 {
52 struct buzm_stop_msg *msg;
53
54 if (!buzm_env)
55 return RV_NOT_READY;
56 if (rvf_get_buf(buzm_env->prim_id, sizeof(struct buzm_stop_msg),
57 (T_RVF_BUFFER **)&msg) == RVF_RED) {
58 rvf_send_trace(
59 "rvf_get_buf() failed in buzm_stop_melody()", 42,
60 NULL_PARAM, RV_TRACE_LEVEL_ERROR, BUZM_USE_ID);
61 return RV_MEMORY_ERR;
62 }
63 msg->hdr.msg_id = BUZM_STOP_REQ;
64 msg->hdr.src_addr_id = buzm_env->addr_id;
65 msg->hdr.dest_addr_id = buzm_env->addr_id;
66 msg->hdr.callback_func = NULL;
67 if (rvf_send_msg(buzm_env->addr_id, msg) != RV_OK) {
68 rvf_send_trace("buzm_stop_melody(): Send failed!", 32,
69 NULL_PARAM, RV_TRACE_LEVEL_ERROR, BUZM_USE_ID);
70 rvf_free_buf(msg);
71 return RV_INTERNAL_ERR;
72 }
73 return RV_OK;
74 }