void load_S2E_Packet_from_storage()
{
read_storage(1, &s2e_packet, sizeof(S2E_Packet));
if(s2e_packet.packet_size == 0x0000 || s2e_packet.packet_size == 0xFFFF){
set_S2E_Packet_to_factory_value();
write_storage(1, &s2e_packet, sizeof(S2E_Packet));
}
s2e_packet.fw_ver[0] = MAJOR_VER;
s2e_packet.fw_ver[1] = MINOR_VER;
s2e_packet.fw_ver[2] = MAINTENANCE_VER;
}
int application_update(void)
{
Firmware_Upload_Info firmware_upload_info;
uint8_t firmup_flag = 0;
read_storage(0, &firmware_upload_info, sizeof(Firmware_Upload_Info));
if(firmware_upload_info.wiznet_header.stx == STX) {
firmup_flag = 1;
}
if(firmup_flag) {
uint32_t tftp_server;
uint8_t *filename;
int ret;
//DBG_PRINT(INFO_DBG, "### Application Update... ###\r\n");
tftp_server = (firmware_upload_info.tftp_info.ip[0] << 24) | (firmware_upload_info.tftp_info.ip[1] << 16) | (firmware_upload_info.tftp_info.ip[2] << 8) | (firmware_upload_info.tftp_info.ip[3]);
filename = firmware_upload_info.filename;
TFTP_read_request(tftp_server, filename);
while(1) {
ret = TFTP_run();
if(ret != TFTP_PROGRESS)
break;
}
if(ret == TFTP_SUCCESS) {
reply_firmware_upload_done(SOCK_CONFIG);
memset(&firmware_upload_info, 0 ,sizeof(Firmware_Upload_Info));
write_storage(0, &firmware_upload_info, sizeof(Firmware_Upload_Info));
}
return ret;
}
return 0;
}
void reply_firmware_upload_done(uint8_t sock)
{
uint8_t buffer[sizeof(WIZnet_Header) + sizeof(WIZnet_Firmware_Upload_Done_Reply)];
uint32_t ptr;
WIZnet_Firmware_Upload_Done_Reply reply;
Firmware_Upload_Info firmware_upload_info;
S2E_Packet *s2e_packet = get_S2E_Packet_pointer();
uint8_t ip[4];
uint16_t port;
close(sock);
socket(sock, Sn_MR_UDP, REMOTE_CLIENT_PORT, 0);
read_storage(0, &firmware_upload_info, sizeof(Firmware_Upload_Info));
// reply
firmware_upload_info.wiznet_header.length = sizeof(WIZnet_Firmware_Upload_Done_Reply);
firmware_upload_info.wiznet_header.op_code[0] = FIRMWARE_UPLOAD_DONE;
firmware_upload_info.wiznet_header.op_code[1] = WIZNET_REPLY;
memcpy(reply.src_mac_address, s2e_packet->network_info_common.mac, 6);
if((firmware_upload_info.wiznet_header.valid & 0x80))
encrypt((firmware_upload_info.wiznet_header.valid & 0x7F), (uint8_t *)&reply, sizeof(WIZnet_Firmware_Upload_Done_Reply));
ptr = 0;
memcpy(buffer, &firmware_upload_info.wiznet_header, sizeof(WIZnet_Header));
ptr += sizeof(WIZnet_Header);
memcpy(buffer + ptr, (void *)&reply, sizeof(WIZnet_Firmware_Upload_Done_Reply));
ptr += sizeof(WIZnet_Firmware_Upload_Done_Reply);
if(firmware_upload_info.wiznet_header.unicast == 0) {
memset(firmware_upload_info.configtool_info.ip, 255, 4);
}
memcpy(ip, firmware_upload_info.configtool_info.ip, sizeof(uint8_t) * 4);
memcpy(&port, &firmware_upload_info.configtool_info.port, sizeof(uint16_t));
sendto(sock, buffer, ptr, ip, port);
}
RETURN_CODE readPersistentStorage(uint16_t start_addr, uint16_t length, uint8_t* buffer)
{
return read_storage(start_addr, length, buffer);
}