forked from M-Labs/artiq
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
#include "mailbox.h"
|
|
#include "messages.h"
|
|
#include "rtio.h"
|
|
#include "dds.h"
|
|
#include "bridge.h"
|
|
|
|
static void send_ready(void)
|
|
{
|
|
struct msg_base msg;
|
|
|
|
msg.type = MESSAGE_TYPE_BRG_READY;
|
|
mailbox_send_and_wait(&msg);
|
|
}
|
|
|
|
void bridge_main(void)
|
|
{
|
|
struct msg_base *umsg;
|
|
|
|
send_ready();
|
|
while(1) {
|
|
umsg = mailbox_wait_and_receive();
|
|
switch(umsg->type) {
|
|
case MESSAGE_TYPE_BRG_TTL_OUT: {
|
|
struct msg_brg_ttl_out *msg;
|
|
|
|
msg = (struct msg_brg_ttl_out *)umsg;
|
|
rtio_init();
|
|
rtio_set_oe(rtio_get_counter() + 8000, msg->channel, 1);
|
|
rtio_set_o(rtio_get_counter() + 8000, msg->channel, msg->value);
|
|
mailbox_acknowledge();
|
|
break;
|
|
}
|
|
case MESSAGE_TYPE_BRG_DDS_SEL: {
|
|
struct msg_brg_dds_sel *msg;
|
|
|
|
msg = (struct msg_brg_dds_sel *)umsg;
|
|
DDS_WRITE(DDS_GPIO, msg->channel);
|
|
mailbox_acknowledge();
|
|
break;
|
|
}
|
|
case MESSAGE_TYPE_BRG_DDS_RESET: {
|
|
unsigned int g;
|
|
|
|
g = DDS_READ(DDS_GPIO);
|
|
DDS_WRITE(DDS_GPIO, g | (1 << 7));
|
|
DDS_WRITE(DDS_GPIO, g);
|
|
|
|
mailbox_acknowledge();
|
|
break;
|
|
}
|
|
case MESSAGE_TYPE_BRG_DDS_READ_REQUEST: {
|
|
struct msg_brg_dds_read_request *msg;
|
|
struct msg_brg_dds_read_reply rmsg;
|
|
|
|
msg = (struct msg_brg_dds_read_request *)umsg;
|
|
rmsg.type = MESSAGE_TYPE_BRG_DDS_READ_REPLY;
|
|
rmsg.data = DDS_READ(msg->address);
|
|
mailbox_send_and_wait(&rmsg);
|
|
break;
|
|
}
|
|
case MESSAGE_TYPE_BRG_DDS_WRITE: {
|
|
struct msg_brg_dds_write *msg;
|
|
|
|
msg = (struct msg_brg_dds_write *)umsg;
|
|
DDS_WRITE(msg->address, msg->data);
|
|
mailbox_acknowledge();
|
|
break;
|
|
}
|
|
case MESSAGE_TYPE_BRG_DDS_FUD:
|
|
rtio_init();
|
|
rtio_fud(rtio_get_counter() + 8000);
|
|
mailbox_acknowledge();
|
|
break;
|
|
default:
|
|
mailbox_acknowledge();
|
|
break;
|
|
}
|
|
}
|
|
}
|