mirror of https://github.com/m-labs/artiq.git
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
|
#include <generated/csr.h>
|
||
|
|
|
||
|
|
#ifdef CSR_ETHMAC_BASE
|
||
|
|
|
||
|
|
#include <netif/etharp.h>
|
||
|
|
#include <lwip/init.h>
|
||
|
|
#include <lwip/memp.h>
|
||
|
|
#include <lwip/ip4_addr.h>
|
||
|
|
#include <lwip/ip4.h>
|
||
|
|
#include <lwip/netif.h>
|
||
|
|
#include <lwip/sys.h>
|
||
|
|
#include <lwip/udp.h>
|
||
|
|
#include <lwip/timers.h>
|
||
|
|
|
||
|
|
#include "log.h"
|
||
|
|
#include "moninj.h"
|
||
|
|
|
||
|
|
enum {
|
||
|
|
MONINJ_REQ_MONITOR = 1
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct udp_pcb *listen_pcb;
|
||
|
|
|
||
|
|
struct monitor_reply {
|
||
|
|
long long int ttl_levels;
|
||
|
|
long long int ttl_oes;
|
||
|
|
};
|
||
|
|
|
||
|
|
static void moninj_monitor(const ip_addr_t *addr, u16_t port)
|
||
|
|
{
|
||
|
|
struct monitor_reply reply;
|
||
|
|
int i;
|
||
|
|
struct pbuf *reply_p;
|
||
|
|
|
||
|
|
reply.ttl_levels = 0;
|
||
|
|
reply.ttl_oes = 0;
|
||
|
|
for(i=0;i<RTIO_TTL_COUNT;i++) {
|
||
|
|
rtio_mon_chan_sel_write(i);
|
||
|
|
rtio_mon_probe_sel_write(0);
|
||
|
|
if(rtio_mon_probe_value_read())
|
||
|
|
reply.ttl_levels |= 1LL << i;
|
||
|
|
rtio_mon_probe_sel_write(1);
|
||
|
|
if(rtio_mon_probe_value_read())
|
||
|
|
reply.ttl_oes |= 1LL << i;
|
||
|
|
}
|
||
|
|
|
||
|
|
reply_p = pbuf_alloc(PBUF_TRANSPORT, sizeof(struct monitor_reply), PBUF_RAM);
|
||
|
|
if(!reply_p) {
|
||
|
|
log("Failed to allocate pbuf for monitor reply");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
memcpy(reply_p->payload, &reply, sizeof(struct monitor_reply));
|
||
|
|
udp_sendto(listen_pcb, reply_p, addr, port);
|
||
|
|
pbuf_free(reply_p);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void moninj_recv(void *arg, struct udp_pcb *upcb, struct pbuf *req,
|
||
|
|
const ip_addr_t *addr, u16_t port)
|
||
|
|
{
|
||
|
|
if(req->len >= 1) {
|
||
|
|
switch(*(char *)req->payload) {
|
||
|
|
case MONINJ_REQ_MONITOR:
|
||
|
|
moninj_monitor(addr, port);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
pbuf_free(req); /* beware: addr may point into the req pbuf */
|
||
|
|
}
|
||
|
|
|
||
|
|
void moninj_init(void)
|
||
|
|
{
|
||
|
|
listen_pcb = udp_new();
|
||
|
|
if(!listen_pcb) {
|
||
|
|
log("Failed to create UDP listening PCB");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
udp_bind(listen_pcb, IP_ADDR_ANY, 3250);
|
||
|
|
udp_recv(listen_pcb, moninj_recv, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* CSR_ETHMAC_BASE */
|