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-rw-r--r--firmware/zpu/apps/txrx_uhd.c19
-rw-r--r--firmware/zpu/lib/nonstdio.h9
-rw-r--r--firmware/zpu/lib/pkt_ctrl.c49
-rw-r--r--firmware/zpu/lib/pkt_ctrl.h3
-rw-r--r--firmware/zpu/lib/print_addrs.c9
5 files changed, 37 insertions, 52 deletions
diff --git a/firmware/zpu/apps/txrx_uhd.c b/firmware/zpu/apps/txrx_uhd.c
index cd66c18f1..3fcda8a4e 100644
--- a/firmware/zpu/apps/txrx_uhd.c
+++ b/firmware/zpu/apps/txrx_uhd.c
@@ -77,14 +77,14 @@ static void handle_udp_data_packet(
sr_udp_sm->dsp0_port = (((uint32_t)dst.port) << 16) | src.port;
printf("Storing for fast path:\n");
printf(" source mac addr: ");
- print_mac_addr(fp_mac_addr_src.addr); newline();
+ print_mac_addr(&fp_mac_addr_src); newline();
printf(" source ip addr: ");
- print_ip_addr(&fp_socket_src.addr); newline();
+ print_ip_addr(&fp_socket_src); newline();
printf(" source udp port: %d\n", fp_socket_src.port);
printf(" destination mac addr: ");
- print_mac_addr(fp_mac_addr_dst.addr); newline();
+ print_mac_addr(&fp_mac_addr_dst); newline();
printf(" destination ip addr: ");
- print_ip_addr(&fp_socket_dst.addr); newline();
+ print_ip_addr(&fp_socket_dst); newline();
printf(" destination udp port: %d\n", fp_socket_dst.port);
newline();
@@ -332,7 +332,6 @@ int
main(void)
{
u2_init();
- pkt_ctrl_init();
//we do this to see if we should set a default ip addr or not
#ifdef USRP2P
@@ -344,9 +343,8 @@ main(void)
}
#endif
- putstr("\nTxRx-NEWETH\n");
- print_mac_addr(ethernet_mac_addr()->addr);
- newline();
+ putstr("\nTxRx-UHD-ZPU\n");
+ print_mac_addr(ethernet_mac_addr()); newline();
print_ip_addr(get_ip_addr()); newline();
printf("FPGA compatibility number: %d\n", USRP2_FPGA_COMPAT_NUM);
printf("Firmware compatibility number: %d\n", USRP2_FW_COMPAT_NUM);
@@ -364,9 +362,8 @@ main(void)
register_udp_listener(USRP2_UDP_UPDATE_PORT, handle_udp_fw_update_packet);
#endif
- //3) set the routing mode to slave and send a garp
+ //3) set the routing mode to slave to set defaults
pkt_ctrl_set_routing_mode(PKT_CTRL_ROUTING_MODE_SLAVE);
- send_gratuitous_arp();
//4) setup ethernet hardware to bring the link up
ethernet_register_link_changed_callback(link_changed_callback);
@@ -390,7 +387,7 @@ main(void)
}
if (pending & PIC_OVERRUN_INT){
- pic_regs->pending = PIC_OVERRUN_INT; // clear pending interrupt
+ pic_regs->pending = PIC_OVERRUN_INT; // clear interrupt
putchar('O');
}
}
diff --git a/firmware/zpu/lib/nonstdio.h b/firmware/zpu/lib/nonstdio.h
index 6aca7ed9a..2c4aeb961 100644
--- a/firmware/zpu/lib/nonstdio.h
+++ b/firmware/zpu/lib/nonstdio.h
@@ -38,13 +38,10 @@ void puthex32_nl(unsigned long x);
#define puthex_nl puthex32_nl
void newline(); // putchar('\n')
-void print_mac_addr(const unsigned char addr[6]);
-void print_uint64(uint64_t v);
+void print_mac_addr(const void *addr);
-void print_buffer(uint32_t *buf, size_t n);
-//char *itoa(signed long value, char *result, int base);
-//void reverse(char s[]);
+void print_ip_addr(const void *addr);
-void print_ip_addr(const void *t);
+void print_buffer(uint32_t *buf, size_t n);
#endif /* INCLUDED_NONSTDIO_H */
diff --git a/firmware/zpu/lib/pkt_ctrl.c b/firmware/zpu/lib/pkt_ctrl.c
index df5851c35..341ad44e1 100644
--- a/firmware/zpu/lib/pkt_ctrl.c
+++ b/firmware/zpu/lib/pkt_ctrl.c
@@ -18,20 +18,7 @@
#include "pkt_ctrl.h"
#include "memory_map.h"
#include <nonstdio.h>
-
-void pkt_ctrl_program_inspector(
- const struct ip_addr *ip_addr, uint16_t data_port
-){
- router_ctrl->ip_addr = ip_addr->addr;
- router_ctrl->data_ports = data_port;
-}
-
-void pkt_ctrl_set_routing_mode(pkt_ctrl_routing_mode_t mode){
- switch(mode){
- case PKT_CTRL_ROUTING_MODE_SLAVE: router_ctrl->mode_ctrl = 0; break;
- case PKT_CTRL_ROUTING_MODE_MASTER: router_ctrl->mode_ctrl = 1; break;
- }
-}
+#include <mdelay.h>
//status signals from WB into PR
#define CPU_STAT_RD_DONE (1 << 0)
@@ -51,7 +38,22 @@ void pkt_ctrl_set_routing_mode(pkt_ctrl_routing_mode_t mode){
#define CPU_CTRL_WR_CLEAR (1 << 2)
#define CPU_CTRL_WR_START (1 << 3)
-static bool i_am_writing;
+void pkt_ctrl_program_inspector(
+ const struct ip_addr *ip_addr, uint16_t data_port
+){
+ router_ctrl->ip_addr = ip_addr->addr;
+ router_ctrl->data_ports = data_port;
+}
+
+void pkt_ctrl_set_routing_mode(pkt_ctrl_routing_mode_t mode){
+ mdelay(100); //give a little delay to space out subsequent calls
+ switch(mode){
+ case PKT_CTRL_ROUTING_MODE_SLAVE: router_ctrl->mode_ctrl = 0; break;
+ case PKT_CTRL_ROUTING_MODE_MASTER: router_ctrl->mode_ctrl = 1; break;
+ }
+ router_ctrl->iface_ctrl = CPU_CTRL_WR_CLEAR; //reset the write state machine
+ pkt_ctrl_release_incoming_buffer(); //reset the read state machine, and read
+}
static inline void cpu_stat_wait_for(int bm){
while((router_status->status & bm) == 0){
@@ -59,11 +61,6 @@ static inline void cpu_stat_wait_for(int bm){
}
}
-void pkt_ctrl_init(void){
- router_ctrl->iface_ctrl = CPU_CTRL_WR_CLEAR | CPU_CTRL_RD_START;
- i_am_writing = false;
-}
-
void *pkt_ctrl_claim_incoming_buffer(size_t *num_lines){
uint32_t status = router_status->status;
@@ -74,7 +71,7 @@ void *pkt_ctrl_claim_incoming_buffer(size_t *num_lines){
}
//if error: drop the packet and start a new read
- else if (status & CPU_STAT_RD_EROR){
+ if (status & CPU_STAT_RD_EROR){
putstr("E");
pkt_ctrl_release_incoming_buffer();
}
@@ -91,12 +88,6 @@ void pkt_ctrl_release_incoming_buffer(void){
}
void *pkt_ctrl_claim_outgoing_buffer(void){
- if (i_am_writing){
- //wait for the write to become done
- cpu_stat_wait_for(CPU_STAT_WR_DONE);
- router_ctrl->iface_ctrl = CPU_CTRL_WR_CLEAR;
- i_am_writing = false;
- }
//wait for idle and return the buffer
cpu_stat_wait_for(CPU_STAT_WR_IDLE);
return ((uint32_t *) ROUTER_RAM_BASE);
@@ -105,5 +96,7 @@ void *pkt_ctrl_claim_outgoing_buffer(void){
void pkt_ctrl_commit_outgoing_buffer(size_t num_lines){
//start a new write with the given length
router_ctrl->iface_ctrl = ((num_lines & 0xffff) << 16) | CPU_CTRL_WR_START;
- i_am_writing = true;
+ //wait for the write to become done
+ cpu_stat_wait_for(CPU_STAT_WR_DONE);
+ router_ctrl->iface_ctrl = CPU_CTRL_WR_CLEAR;
}
diff --git a/firmware/zpu/lib/pkt_ctrl.h b/firmware/zpu/lib/pkt_ctrl.h
index 06b81538d..410ffdaa4 100644
--- a/firmware/zpu/lib/pkt_ctrl.h
+++ b/firmware/zpu/lib/pkt_ctrl.h
@@ -23,9 +23,6 @@
#include <stdbool.h>
#include <lwip/ip_addr.h>
-//! Initialize the packet router into a good state
-void pkt_ctrl_init(void);
-
typedef enum {
PKT_CTRL_ROUTING_MODE_SLAVE,
PKT_CTRL_ROUTING_MODE_MASTER,
diff --git a/firmware/zpu/lib/print_addrs.c b/firmware/zpu/lib/print_addrs.c
index 29601c47c..fa2a49fc3 100644
--- a/firmware/zpu/lib/print_addrs.c
+++ b/firmware/zpu/lib/print_addrs.c
@@ -18,15 +18,16 @@
#include "nonstdio.h"
void
-print_mac_addr(const unsigned char addr[6])
+print_mac_addr(const void *addr)
{
+ uint8_t *p = (uint8_t *)addr;
for(size_t i = 0; i < 6; i++){
if(i) putchar(':');
- puthex8(addr[i]);
+ puthex8(p[i]);
}
}
-void print_ip_addr(const void *t){
- uint8_t *p = (uint8_t *)t;
+void print_ip_addr(const void *addr){
+ uint8_t *p = (uint8_t *)addr;
printf("%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-04 06:46:42 +0000