artiq/soc/runtime/bridge_ctl.c

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#include <stdio.h>
#include "kloader.h"
#include "mailbox.h"
#include "messages.h"
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#include "bridge_ctl.h"
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void brg_start(void)
{
struct msg_base *umsg;
kloader_start_bridge();
while(1) {
umsg = mailbox_wait_and_receive();
if(umsg->type == MESSAGE_TYPE_BRG_READY) {
mailbox_acknowledge();
break;
} else {
printf("Warning: unexpected message %d from AMP bridge\n", umsg->type);
mailbox_acknowledge();
}
}
}
void brg_ttloe(int n, int value)
{
struct msg_brg_ttl_out msg;
msg.type = MESSAGE_TYPE_BRG_TTL_OE;
msg.channel = n;
msg.value = value;
mailbox_send_and_wait(&msg);
}
void brg_ttlo(int n, int value)
{
struct msg_brg_ttl_out msg;
msg.type = MESSAGE_TYPE_BRG_TTL_O;
msg.channel = n;
msg.value = value;
mailbox_send_and_wait(&msg);
}
void brg_ddssel(int channel)
{
struct msg_brg_dds_sel msg;
msg.type = MESSAGE_TYPE_BRG_DDS_SEL;
msg.channel = channel;
mailbox_send_and_wait(&msg);
}
void brg_ddsreset(void)
{
struct msg_base msg;
msg.type = MESSAGE_TYPE_BRG_DDS_RESET;
mailbox_send_and_wait(&msg);
}
unsigned int brg_ddsread(unsigned int address)
{
struct msg_brg_dds_read_request msg;
struct msg_brg_dds_read_reply *rmsg;
unsigned int r;
msg.type = MESSAGE_TYPE_BRG_DDS_READ_REQUEST;
msg.address = address;
mailbox_send(&msg);
while(1) {
rmsg = mailbox_wait_and_receive();
if(rmsg->type == MESSAGE_TYPE_BRG_DDS_READ_REPLY) {
r = rmsg->data;
mailbox_acknowledge();
return r;
} else {
printf("Warning: unexpected message %d from AMP bridge\n", rmsg->type);
mailbox_acknowledge();
}
}
}
void brg_ddswrite(unsigned int address, unsigned int data)
{
struct msg_brg_dds_write msg;
msg.type = MESSAGE_TYPE_BRG_DDS_WRITE;
msg.address = address;
msg.data = data;
mailbox_send_and_wait(&msg);
}
void brg_ddsfud(void)
{
struct msg_base msg;
msg.type = MESSAGE_TYPE_BRG_DDS_FUD;
mailbox_send_and_wait(&msg);
}