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lua: allow telemetry buffer availability to be queried

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When crossfireTelemetryPush() or sportTelemetryPush() is called without arguments, it returns a boolean telling whether or not the output buffer is currently available.

This simplifies the LUA in case SPORT or Crossfire is used as a transport for bigger requests (like MSP/SPORT).
This commit is contained in:
Raphael Coeffic 2016-11-09 14:14:35 +01:00
parent fd127e1ec2
commit a315f6702b
1 changed files with 8 additions and 2 deletions
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10
radio/src/lua/api_general.cpp
View file

@ -333,7 +333,10 @@ uint8_t getDataId(uint8_t physicalId)
static int luaSportTelemetryPush(lua_State * L)
{
if (isSportOutputBufferAvailable()) {
if (lua_gettop(L) == 0) {
lua_pushboolean(L, isSportOutputBufferAvailable());
}
else if (isSportOutputBufferAvailable()) {
SportTelemetryPacket packet;
packet.physicalId = getDataId(luaL_checkunsigned(L, 1));
packet.primId = luaL_checkunsigned(L, 2);
@ -378,7 +381,10 @@ static int luaCrossfireTelemetryPop(lua_State * L)
static int luaCrossfireTelemetryPush(lua_State * L)
{
if (isCrossfireOutputBufferAvailable()) {
if (lua_gettop(L) == 0) {
lua_pushboolean(L, isCrossfireOutputBufferAvailable());
}
else if (isCrossfireOutputBufferAvailable()) {
uint8_t command = luaL_checkunsigned(L, 1);
luaL_checktype(L, 2, LUA_TTABLE);
uint8_t length = luaL_len(L, 2);