diff options
Diffstat (limited to 'firmware/microblaze/usrp2p/udp_fw_update.c')
| -rw-r--r-- | firmware/microblaze/usrp2p/udp_fw_update.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/firmware/microblaze/usrp2p/udp_fw_update.c b/firmware/microblaze/usrp2p/udp_fw_update.c index 6b860007a..9242242e7 100644 --- a/firmware/microblaze/usrp2p/udp_fw_update.c +++ b/firmware/microblaze/usrp2p/udp_fw_update.c @@ -22,28 +22,18 @@ #include "usrp2/fw_common.h" #include "spi.h" #include "spi_flash.h" -#include "udp_fw_update.h" #include <nonstdio.h> #include <string.h> #include "ethernet.h" +#include "udp_fw_update.h" //Firmware update packet handler void handle_udp_fw_update_packet(struct socket_address src, struct socket_address dst, unsigned char *payload, int payload_len) { -//okay, we can do this ANY NUMBER of ways. we have up to ~1500 bytes to play with -- we don't handle -//fragmentation, so limit it to <MTU. let's say 1K. remember that SPI Flash page writes can only be up to 256B(?) long, -//so if your SPI Flash write routine doesn't handle that, you will have to on the host side (or in here). -//so here are your options: - -//IHEX -- 16 bytes at a time, relocated for you. parser is already written. possibly extra slow due to the small packet size. -//custom struct -- addr, data, len. you can checksum this if you like, but it is already checksummed in UDP (as well as on the wire). -// this option needs minimal parsing on the device side and is a straight Flash write. no interpretation required. all the brains -// go on the host side. how is relocation handled? well, your fw images are supposed to be "fully relocated" such that you can just -// stick 'em anywhere, so a .bin (provided it's relocated to 0 for the wire) plus a location is good enough. let's go this route. - const udp_fw_update_data_t *update_data_in = (udp_fw_update_data_t *) payload; + const usrp2_fw_update_data_t *update_data_in = (usrp2_fw_update_data_t *) payload; - udp_fw_update_data_t update_data_out; + usrp2_fw_update_data_t update_data_out; usrp2_fw_update_id_t update_data_in_id = update_data_in->id; //ensure that the protocol versions match @@ -55,9 +45,9 @@ void handle_udp_fw_update_packet(struct socket_address src, struct socket_addres } //ensure that this is not a short packet - if (payload_len < sizeof(udp_fw_update_data_t)){ + if (payload_len < sizeof(usrp2_fw_update_data_t)){ printf("!Error in update packet handler: Expected payload length %d, but got %d\n", - (int)sizeof(udp_fw_update_data_t), payload_len + (int)sizeof(usrp2_fw_update_data_t), payload_len ); update_data_in_id = USRP2_FW_UPDATE_ID_WAT; } |