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Added setting for syslog IP

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This commit is contained in:
feelfree69
2026-04-12 12:58:02 +02:00
parent b21bfac917
commit b85861347b
2 changed files with 23 additions and 13 deletions
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syslog.c
+7 -12
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@@ -14,6 +14,7 @@ __xdata uint16_t logptr_r = 0;
__xdata uint8_t full_line_available = 0;
__xdata uint8_t syslog_enabled = 0;
__xdata char char_to_write = 0;
__xdata uip_ipaddr_t syslog_addr;
#define DEST_OFFSET (0)
#define SOURCE_OFFSET (DEST_OFFSET + 6)
@@ -24,9 +25,7 @@ __xdata char char_to_write = 0;
void syslog_init(void) __banked
{
logptr_r = 0;
logptr_w = 0;
full_line_available = 0;
syslog_addr[0] = 0xffff; syslog_addr[1] = 0xffff; // Default to broadcast
}
void syslog_write_char(void) __banked
@@ -57,11 +56,7 @@ void handle_syslog(void) __banked
SYSLOG_O[DEST_OFFSET] = 255; SYSLOG_O[DEST_OFFSET + 1] = 255; SYSLOG_O[DEST_OFFSET + 2] = 255;
SYSLOG_O[DEST_OFFSET + 3] = 255; SYSLOG_O[DEST_OFFSET + 4] = 255; SYSLOG_O[DEST_OFFSET + 5] = 255; // broadcast
memcpy(SYSLOG_O + SOURCE_OFFSET, uip_ethaddr.addr, 6); // Source MAC address
/*
SYSLOG_O[SOURCE_OFFSET] = uip_ethaddr.addr[0]; SYSLOG_O[SOURCE_OFFSET + 1] = uip_ethaddr.addr[1];
SYSLOG_O[SOURCE_OFFSET + 2] = uip_ethaddr.addr[2]; SYSLOG_O[SOURCE_OFFSET + 3] = uip_ethaddr.addr[3];
SYSLOG_O[SOURCE_OFFSET + 4] = uip_ethaddr.addr[4]; SYSLOG_O[SOURCE_OFFSET + 5] = uip_ethaddr.addr[5];
*/
SYSLOG_O[ETHERTYPE_OFFSET] = 0x08; SYSLOG_O[ETHERTYPE_OFFSET + 1] = 0x00; // Ethertype: IPv4
SYSLOG_O[IP_HEADER_OFFSET ] = 0x45; SYSLOG_O[IP_HEADER_OFFSET + 1] = 0x00; // IPv4, no options
@@ -70,10 +65,10 @@ void handle_syslog(void) __banked
SYSLOG_O[IP_HEADER_OFFSET + 6] = 0x00; SYSLOG_O[IP_HEADER_OFFSET + 7] = 0x00; // Flags, Fragment Offset
SYSLOG_O[IP_HEADER_OFFSET + 8] = 0x40; SYSLOG_O[IP_HEADER_OFFSET + 9] = 0x11; // TTL, Protocol (UDP)
SYSLOG_O[IP_HEADER_OFFSET + 10] = 0x00; SYSLOG_O[IP_HEADER_OFFSET + 11] = 0x00; // Header Checksum (not calculated)
SYSLOG_O[IP_HEADER_OFFSET + 12] = uip_hostaddr[0]&0xff; SYSLOG_O[IP_HEADER_OFFSET + 13] = uip_hostaddr[0]>>8;
SYSLOG_O[IP_HEADER_OFFSET + 14] = uip_hostaddr[1]&0xff; SYSLOG_O[IP_HEADER_OFFSET + 15] = uip_hostaddr[1]>>8; // Source IP
SYSLOG_O[IP_HEADER_OFFSET + 16] = 192; SYSLOG_O[IP_HEADER_OFFSET + 17] = 168;
SYSLOG_O[IP_HEADER_OFFSET + 18] = 10; SYSLOG_O[IP_HEADER_OFFSET + 19] = 240; // Destination IP
SYSLOG_O[IP_HEADER_OFFSET + 12] = uip_hostaddr[0] & 0xff; SYSLOG_O[IP_HEADER_OFFSET + 13] = uip_hostaddr[0] >> 8;
SYSLOG_O[IP_HEADER_OFFSET + 14] = uip_hostaddr[1] & 0xff; SYSLOG_O[IP_HEADER_OFFSET + 15] = uip_hostaddr[1] >> 8; // Source IP
SYSLOG_O[IP_HEADER_OFFSET + 16] = syslog_addr[0] & 0xff; SYSLOG_O[IP_HEADER_OFFSET + 17] = syslog_addr[0] >> 8;
SYSLOG_O[IP_HEADER_OFFSET + 18] = syslog_addr[1] & 0xff; SYSLOG_O[IP_HEADER_OFFSET + 19] = syslog_addr[1] >> 8; // Destination IP
SYSLOG_O[UDP_HEADER_OFFSET ] = 0x02; SYSLOG_O[UDP_HEADER_OFFSET + 1] = 0x02; // Source Port
SYSLOG_O[UDP_HEADER_OFFSET + 2] = 0x02; SYSLOG_O[UDP_HEADER_OFFSET + 3] = 0x02; // Destination Port