Aim ARINC 429 - 6.9 Api429 RxReadActivity

Software Library Reference Manual for VME 429 135
Section 6 - Receiver Functions
6.9 Api429RxReadActivity
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AiUInt8 Api429RxReadActivity( AiUInt8 b_Module,
TY_API429_RX_ACTIVITY *pxActivity);
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This function reads the activity information of the RX labels. Each time a label is
received the corresponding bit of the activitiy bit field is set.
The activity bit field is reset, when stopping and restarting the RX channel.
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None
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typedef struct
{
AiUInt32 ChannelActivity[32][8];
} TY_API429_RX_ACTIVITY;
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Contains eight long words for each channel. The eight long words are a bitfield, that shows
for which labels data was received for a specific channel
Bit 31 … Bit 1 Bit 0
ChannelActivity[chn][0] Label 31 … Label 1 Label 0
ChannelActivity[chn][1] Label 63 … Label 33 Label 32
… … … …
ChannelActivity[chn][8] Label 255 ... Label 224 Label 223
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Value Constant Description
0 API429_CMD_OK
Execution success
1 API429_CMD_ERR
Execution error