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ethercat
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Ack timeout 100ns in simple IO.

This commit is contained in:
Florian Pose 2006-07-18 16:46:26 +00:00
parent 06d5737cbc
commit 71d7a89468
1 changed files with 4 additions and 5 deletions
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9
master/slave.c
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@ -853,10 +853,9 @@ void ec_slave_state_ack(ec_slave_t *slave, /**< EtherCAT slave */
}
start = get_cycles();
timeout = (cycles_t) 10 * cpu_khz; // 10ms
timeout = (cycles_t) 100 * cpu_khz; // 100ms
while (1)
{
while (1) {
udelay(100); // wait a little bit...
if (ec_datagram_nprd(datagram, slave->station_address, 0x0130, 2))
@ -870,14 +869,14 @@ void ec_slave_state_ack(ec_slave_t *slave, /**< EtherCAT slave */
end = get_cycles();
if (likely(EC_READ_U8(datagram->data) == state)) {
if (EC_READ_U8(datagram->data) == state) {
slave->current_state = state;
EC_INFO("Acknowleged state 0x%02X on slave %i.\n", state,
slave->ring_position);
return;
}
if (unlikely((end - start) >= timeout)) {
if (end - start >= timeout) {
slave->current_state = EC_SLAVE_STATE_UNKNOWN;
EC_WARN("Failed to acknowledge state 0x%02X on slave %i"
" - Timeout!\n", state, slave->ring_position);