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ethercat
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Enable sync managers only if SII enable is set and size is greater zero.

This commit is contained in:
Florian Pose 2008-06-04 08:30:18 +00:00
parent fd490fb64f
commit 879b6d0c8c
1 changed files with 6 additions and 3 deletions
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9
master/sync.c
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@ -105,17 +105,20 @@ void ec_sync_config(
uint8_t *data /**> Configuration memory. */
)
{
// enable only if SII enable is set and size is > 0.
uint16_t enable = sync->enable && data_size;
if (sync->slave->master->debug_level) {
EC_DBG("SM%i: Addr 0x%04X, Size %3i, Ctrl 0x%02X, En %i\n",
EC_DBG("SM%u: Addr 0x%04X, Size %3u, Ctrl 0x%02X, En %u\n",
sync->index, sync->physical_start_address,
data_size, sync->control_register, sync->enable);
data_size, sync->control_register, enable);
}
EC_WRITE_U16(data, sync->physical_start_address);
EC_WRITE_U16(data + 2, data_size);
EC_WRITE_U8 (data + 4, sync->control_register);
EC_WRITE_U8 (data + 5, 0x00); // status byte (read only)
EC_WRITE_U16(data + 6, sync->enable ? 0x0001 : 0x0000); // enable
EC_WRITE_U16(data + 6, enable);
}
/*****************************************************************************/