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/*
* Copyright © 2009 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "ao.h"
void
ao_packet_slave(void)
{
uint8_t status;
ao_radio_set_packet();
ao_tx_packet.addr = ao_serial_number;
ao_tx_packet.len = AO_PACKET_SYN;
while (ao_packet_enable) {
status = ao_packet_recv();
if (status & AO_DMA_DONE)
ao_packet_send();
}
ao_exit();
}
void
ao_packet_slave_start(void)
{
if (!ao_packet_enable) {
ao_packet_enable = 1;
ao_add_task(&ao_packet_task, ao_packet_slave, "slave");
}
}
void
ao_packet_slave_stop(void)
{
if (ao_packet_enable) {
ao_packet_enable = 0;
ao_radio_abort();
while (ao_packet_task.wchan) {
ao_wake_task(&ao_packet_task);
ao_yield();
}
ao_radio_set_telemetry();
}
}
#ifdef PACKET_HAS_SLAVE_CMD
void
ao_packet_slave_control(void)
{
ao_cmd_hex();
if (ao_cmd_lex_i)
ao_packet_slave_start();
else
ao_packet_slave_stop();
}
__code struct ao_cmds ao_packet_slave_cmds[] = {
{ 's', ao_packet_slave_control, "s <enable> Remote packet link slave" },
{ 0, ao_packet_slave_control, NULL },
};
#endif
void
ao_packet_slave_init(void)
{
ao_add_stdio(ao_packet_pollchar,
ao_packet_putchar,
NULL);
#ifdef PACKET_HAS_SLAVE_CMD
ao_cmd_register(&ao_packet_slave_cmds[0]);
#endif
}
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