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[sys/net/sixlowpan/sixlowedge.c]

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* added capability to write packets via serial interface
This commit is contained in:
mlenders 2011-07-09 19:14:13 +02:00
parent f298c74c44
commit 35692755bc
1 changed files with 51 additions and 0 deletions
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51
sys/net/sixlowpan/sixlowedge.c
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@ -185,6 +185,43 @@ int readpacket(uint8_t *packet_buf, int size) {
return (line_buf_ptr - packet_buf - 1);
}
int writepacket(uint8_t *packet_buf, size_t size) {
uint8_t *byte_ptr = packet_buf;
while ((byte_ptr - packet_buf) < size) {
if ((byte_ptr - packet_buf) > EDGE_BUFFER_SIZE) {
return -1;
}
switch (*byte_ptr) {
case(DC3):{
*byte_ptr = DC3_ESC;
goto write_esc;
}
case(END):{
*byte_ptr = END_ESC;
goto write_esc;
}
case(ESC):{
*byte_ptr = ESC_ESC;
goto write_esc;
}
default:{
goto write_byte;
}
}
write_esc:
uart0_putc(ESC);
write_byte:
uart0_putc(*byte_ptr);
byte_ptr++;
}
uart0_putc(END);
return (byte_ptr - packet_buf);
}
void edge_process_uart(void) {
int status;
uint8_t packet_buf[EDGE_BUFFER_SIZE];
@ -248,6 +285,20 @@ void edge_process_uart(void) {
}
}
void edge_send_ipv6_over_uart(struct ipv6_hdr_t *packet) {
edge_l3_header_t *serial_buf;
mutex_lock(&edge_out_buf_mutex);
serial_buf = (edge_l3_header_t *)edge_out_buf;
serial_buf->reserved = 0;
serial_buf->type = EDGE_PACKET_L3_TYPE;
serial_buf->seq_num = 5; // TODO
serial_buf->ethertype = EDGE_ETHERTYPE_IPV6;
memcpy(edge_out_buf+sizeof (edge_l3_header_t), packet, IPV6_HDR_LEN + packet->length);
writepacket(edge_out_buf, sizeof (edge_l3_header_t) + IPV6_HDR_LEN + packet->length);
mutex_unlock(&edge_out_buf_mutex,0);
}
void edge_send_ipv6_over_lowpan(struct ipv6_hdr_t *packet, uint8_t aro_flag, uint8_t sixco_flag) {
//abr_cache_t *msg_abr = NULL;
uint16_t offset = IPV6_HDR_LEN+HTONS(packet->length);