gex
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gex-client-c
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some cleanings

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master
Ondřej Hruška 7 years ago
parent 63dd4aa757
commit 7afa485724
Signed by: MightyPork
GPG Key ID: 2C5FD5035250423D
3 changed files with 33 additions and 30 deletions
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  1. 23
      gex/gex_client.c
  2. 10
      gex/gex_helpers.c
  3. 8
      gex/gex_helpers.h

23
gex/gex_client.c
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@ -36,7 +36,7 @@ static TF_Result unit_report_lst(TinyFrame *tf, TF_Msg *msg)
uint8_t callsign = msg->data[0];
uint8_t rpt_type = msg->data[1];
struct gex_unit_lu *lu = find_unit_by_callsign(gex, callsign);
struct gex_unit_lu *lu = gex_find_unit_by_callsign(gex, callsign);
if (lu && lu->report_handler) {
lu->report_handler(gex, lu->name, rpt_type,
msg->data+2, (uint32_t) (msg->len - 2));
@ -54,7 +54,7 @@ static TF_Result list_units_lst(TinyFrame *tf, TF_Msg *msg)
{
GexClient *gex = tf->userdata;
destroy_unit_lookup(gex);
gex_destroy_unit_lookup(gex);
PayloadParser pp = pp_start((uint8_t*)msg->data, msg->len, NULL);
uint8_t count = pp_u8(&pp);
@ -63,7 +63,7 @@ static TF_Result list_units_lst(TinyFrame *tf, TF_Msg *msg)
for(int i = 0; i < count; i++) {
uint8_t callsign = pp_u8(&pp);
pp_string(&pp, buf, 100);
fprintf(stderr, "Available unit \"%s\" @ %d\n", buf, callsign);
fprintf(stderr, "- Found unit \"%s\" @ callsign %d\n", buf, callsign);
// append
struct gex_unit_lu *lu = malloc(sizeof(struct gex_unit_lu));
@ -90,9 +90,9 @@ void GEX_OnReport(GexClient *gex, const char *unit_name, GEX_ReportListener lst)
gex->fallback_report_handler = lst;
}
else {
struct gex_unit_lu *lu = find_unit_by_name(gex, unit_name);
struct gex_unit_lu *lu = gex_find_unit_by_name(gex, unit_name);
if (!lu) {
fprintf(stderr, "No unit named \"%s\"!", unit_name);
fprintf(stderr, "No unit named \"%s\", can't bind listener!", unit_name);
}
else {
lu->report_handler = lst;
@ -121,6 +121,7 @@ GexClient *GEX_Init(const char *device, int timeout_ms)
gex->tf->userdata = gex;
// --- Test connectivity ---
fprintf(stderr, "Testing connection...\n");
TF_QuerySimple(gex->tf, MSG_PING, /*pld*/ NULL, 0, /*cb*/ connectivity_check_lst, 0);
GEX_Poll(gex);
@ -131,9 +132,11 @@ GexClient *GEX_Init(const char *device, int timeout_ms)
}
// --- populate callsign look-up table ---
fprintf(stderr, "Loading available units info...\n");
TF_QuerySimple(gex->tf, MSG_LIST_UNITS, /*pld*/ NULL, 0, /*cb*/ list_units_lst, 0);
GEX_Poll(gex);
// Bind the catch-all event handler. Will be re-distributed to individual unit listeners if needed.
TF_AddTypeListener(gex->tf, MSG_UNIT_REPORT, unit_report_lst);
return gex;
@ -162,7 +165,7 @@ void GEX_DeInit(GexClient *gex)
{
if (gex == NULL) return;
close(gex->acm_fd);
destroy_unit_lookup(gex);
gex_destroy_unit_lookup(gex);
TF_DeInit(gex->tf);
free(gex);
}
@ -174,16 +177,16 @@ void GEX_Query(GexClient *gex,
uint8_t *payload, uint32_t len,
TF_Listener listener)
{
uint8_t callsign = find_callsign_by_name(gex, unit);
uint8_t callsign = gex_find_callsign_by_name(gex, unit);
assert(callsign != 0);
uint8_t *pld = malloc(len + 2);
assert(pld != NULL);
{
// prefix the actual payload with the callsign and command bytes.
// TODO provide TF API for sending the payload externally in smaller chunks? Will avoid the malloc here
pld[0] = callsign;
pld[1] = cmd;
memcpy(pld+2, payload, len);
memcpy(pld + 2, payload, len);
TF_Msg msg;
TF_ClearMsg(&msg);
@ -191,6 +194,7 @@ void GEX_Query(GexClient *gex,
msg.data = pld;
msg.len = (TF_LEN) (len + 2);
TF_Query(gex->tf, &msg, listener, 0);
}
free(pld);
if (NULL != listener) {
@ -224,7 +228,6 @@ TF_Msg *GEX_SyncQuery(GexClient *gex,
return gex->sync_query_ok ? &gex->sync_query_response : NULL;
}
/** Command a unit (same like query, but without listener and without polling) */
void GEX_Send(GexClient *gex,
const char *unit, uint8_t cmd,

10
gex/gex_helpers.c
Unescape View File

@ -8,7 +8,7 @@
#include "gex_helpers.h"
/** Delete recursively all GEX callsign look-up table entries */
void destroy_unit_lookup(GexClient *gex)
void gex_destroy_unit_lookup(GexClient *gex)
{
struct gex_unit_lu *next = gex->ulu_head;
while (next != NULL) {
@ -20,7 +20,7 @@ void destroy_unit_lookup(GexClient *gex)
}
/** Get lookup entry for unit name */
struct gex_unit_lu *find_unit_by_callsign(GexClient *gex, uint8_t callsign)
struct gex_unit_lu *gex_find_unit_by_callsign(GexClient *gex, uint8_t callsign)
{
struct gex_unit_lu *next = gex->ulu_head;
while (next != NULL) {
@ -33,7 +33,7 @@ struct gex_unit_lu *find_unit_by_callsign(GexClient *gex, uint8_t callsign)
}
/** Get lookup entry for unit name */
struct gex_unit_lu *find_unit_by_name(GexClient *gex, const char *name)
struct gex_unit_lu *gex_find_unit_by_name(GexClient *gex, const char *name)
{
struct gex_unit_lu *next = gex->ulu_head;
while (next != NULL) {
@ -46,8 +46,8 @@ struct gex_unit_lu *find_unit_by_name(GexClient *gex, const char *name)
}
/** Get callsign for unit name */
uint8_t find_callsign_by_name(GexClient *gex, const char *name)
uint8_t gex_find_callsign_by_name(GexClient *gex, const char *name)
{
struct gex_unit_lu *lu = find_unit_by_name(gex, name);
struct gex_unit_lu *lu = gex_find_unit_by_name(gex, name);
return (uint8_t) ((lu == NULL) ? 0 : lu->callsign);
}

8
gex/gex_helpers.h
Unescape View File

@ -9,15 +9,15 @@
#include "gex_defines.h"
/** Delete recursively all GEX callsign look-up table entries */
void destroy_unit_lookup(GexClient *gex);
void gex_destroy_unit_lookup(GexClient *gex);
/** Get lookup entry for unit name */
struct gex_unit_lu *find_unit_by_callsign(GexClient *gex, uint8_t callsign);
struct gex_unit_lu *gex_find_unit_by_callsign(GexClient *gex, uint8_t callsign);
/** Get lookup entry for unit name */
struct gex_unit_lu *find_unit_by_name(GexClient *gex, const char *name);
struct gex_unit_lu *gex_find_unit_by_name(GexClient *gex, const char *name);
/** Get callsign for unit name */
uint8_t find_callsign_by_name(GexClient *gex, const char *name);
uint8_t gex_find_callsign_by_name(GexClient *gex, const char *name);
#endif //GEX_CLIENT_GEX_HELPERS_H

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