}
implementation {
- serial_header_t* getHeader(message_t* msg) {
- return (serial_header_t*)(msg->data - sizeof(serial_header_t));
+ serial_header_t* ONE getHeader(message_t* ONE msg) {
+ return TCAST(serial_header_t* ONE, (uint8_t*)msg + offsetof(message_t, data) - sizeof(serial_header_t));
+ }
+
+ serial_metadata_t* getMetadata(message_t* msg) {
+ return (serial_metadata_t*)(msg->metadata);
}
command error_t AMSend.send[am_id_t id](am_addr_t dest,
message_t* msg,
uint8_t len) {
serial_header_t* header = getHeader(msg);
+
+ if (len > call Packet.maxPayloadLength()) {
+ return ESIZE;
+ }
+
header->dest = dest;
// Do not set the source address or group, as doing so
// prevents transparent bridging. Need a better long-term
}
command void Packet.clear(message_t* msg) {
+ memset(getHeader(msg), 0, sizeof(serial_header_t));
return;
}
return NULL;
}
else {
- return msg->data;
+ return (void * COUNT_NOK(len))msg->data;
}
}