// init_connection
status_t
init_connection()
{
status_t error = B_OK;
// create a port
outputPort = create_port(10, "common test app port");
if (outputPort < 0)
error = outputPort;
// find the remote port
port_id port = -1;
if (error == B_OK) {
port = find_port(kAppRunnerTeamPort);
if (port < 0)
error = port;
}
// send the port ID
if (error == B_OK) {
ssize_t written = write_port(port, outputPort, &be_app_messenger,
sizeof(BMessenger));
if (written < 0)
error = written;
}
connectionEstablished = (error == B_OK);
return error;
}
void
HaikuRTSPClient::NotifyError()
{
fInterface->ShutdownLoop();
status_t status = B_ERROR;
write_port(fInitPort, NULL, &status, sizeof(status));
}
int
main()
{
port_id port = create_port(1, "test port");
printf("created port %ld\n", port);
thread_id threads[THREAD_COUNT];
for (int32 i = 0; i < THREAD_COUNT; i++) {
threads[i] = spawn_thread(read_thread, "read thread", B_NORMAL_PRIORITY,
(void*)port);
resume_thread(threads[i]);
}
printf("snooze for a bit, all threads should be waiting now.\n");
snooze(100000);
for (int32 i = 0; i < THREAD_COUNT; i++) {
size_t bytes = 20 + i;
char buffer[bytes];
memset(buffer, 0x55, bytes);
printf("send %ld bytes\n", bytes);
write_port(port, 0x42, buffer, bytes);
snooze(10000);
}
printf("waiting for threads to terminate\n");
for (int32 i = 0; i < THREAD_COUNT; i++) {
wait_for_thread(threads[i], NULL);
}
return 0;
}
int32 SLooper::FinderThread() {
status_t ignored;
BMessage msg;
// add a BMessenger into msg
BMessenger myMessenger(this,this, &ignored);
msg.AddMessenger("messageTarget", myMessenger);
//Flatten it
ssize_t messengerBufferLength = msg.FlattenedSize();
char *messengerBuffer = new char[messengerBufferLength];
msg.Flatten(messengerBuffer, messengerBufferLength);
// wait for requests to come in
port_id toRespondTo;
while (read_port(finder, &ignored, &toRespondTo, sizeof(toRespondTo))>=0) {
// send requests back to the port ID we were given
write_port(toRespondTo, 0, messengerBuffer, messengerBufferLength);
}
delete messengerBuffer;
return 0;
}
void
BTimeSource::DirectRemoveMe(const media_node &node)
{
// XXX this code has race conditions and is pretty dumb, and it
// XXX won't detect nodes that crash and don't remove themself.
CALLED();
ASSERT(fSlaveNodes != NULL);
BAutolock lock(fSlaveNodes->locker);
if (fSlaveNodes->count == 0) {
ERROR("BTimeSource::DirectRemoveMe no slots used\n");
return;
}
for (int i = 0; i < SLAVE_NODES_COUNT; i++) {
if (fSlaveNodes->node_id[i] == node.node && fSlaveNodes->node_port[i] == node.port) {
fSlaveNodes->node_id[i] = 0;
fSlaveNodes->node_port[i] = 0;
fSlaveNodes->count -= 1;
if (fSlaveNodes->count == 0) {
// stop the time source
time_source_op_info msg;
msg.op = B_TIMESOURCE_STOP_IMMEDIATELY;
msg.real_time = RealTime();
TRACE_TIMESOURCE("stopping time source %" B_PRId32 "\n", ID());
write_port(fControlPort, TIMESOURCE_OP, &msg, sizeof(msg));
}
return;
}
}
ERROR("BTimeSource::DirectRemoveMe failed\n");
}
//////////// ==
// Function to find a remote BLooper
BMessenger *SLooper::FindOtherEnd(char *unique_name) {
BMessenger *rc = new BMessenger();
int32 ignored;
FORMULATE_UNIQUE(unique_name);
// find port by name
port_id port = find_port(unique);
if (port < 0) {
return NULL;
}
// create a port for the reply
port_id myPort = create_port(1, "temporary port for answer");
// send the request to the other end with the port of our end
write_port(port, 0xdeadbeef, &myPort, sizeof(myPort));
// wait for an answer
ssize_t messageSize = port_buffer_size(myPort);
char *message = new char[messageSize];
read_port(myPort, &ignored, message, messageSize);
// get the BMessenger out of it
BMessage msg;
msg.Unflatten(message);
msg.FindMessenger("messageTarget", rc);
return rc;
}
void keyboard_handler_main(void)
{
unsigned char status;
char keycode;
write_port(0x20, 0x20);
status = read_port(KEYBOARD_STATUS_PORT);
if (status & 0x01) {
keycode = read_port(KEYBOARD_DATA_PORT);
if(keycode < 0)
return;
if(keycode == ENTER_KEY_CODE) {
kprint_newline();
kprint(input);
reset(input);
kprint_newline();
return;
} else {
input[counter] = keyboard_map[(unsigned char) keycode];
counter++;
}
vidptr[current_loc++] = keyboard_map[(unsigned char) keycode];
vidptr[current_loc++] = 0x07;
}
}
/*
* ec_query_seq
* this function is used for ec command writing and the corresponding status query
*/
int ec_query_seq(unsigned char cmd)
{
int timeout;
unsigned char status;
unsigned long flags;
int ret = 0;
/* make chip goto reset mode */
udelay(EC_REG_DELAY);
write_port(EC_CMD_PORT, cmd);
udelay(EC_REG_DELAY);
/* check if the command is received by ec */
timeout = EC_CMD_TIMEOUT;
status = read_port(EC_STS_PORT);
while(timeout--){
if(status & (1 << 1)){
status = read_port(EC_STS_PORT);
udelay(EC_REG_DELAY);
continue;
}
break;
}
if(timeout <= 0){
printf("EC QUERY SEQ : deadable error : timeout...\n");
ret = -1;
}
return ret;
}
int main(){
int fd1,val;
char msg[10];
while(1)
{
// Te set brightness
msg[0] = 0x53;
msg[1] = 0x00;
msg[2] = 0x8A;
msg[3] = 0x00;
msg[4] = 0x00;
msg[5] = (int)(val/256);
msg[6] = val%256;
val = msg[1] +msg[2] +msg[3] +msg[4] +msg[5] +msg[6];
val = val % 0xFF;
msg[7] = val;
msg[8] = 0x45;
msg[9] = '\r';
fd1=open_port();
if(fd1 > 0)
{
write_port(msg,10);
// delay();
close(fd1);
}
else
{
printf("Error in Open_port()\n");
}
}
return 0;
}
void width_src(void){
unsigned char msg[10];
msg[0] = '\x1A';
msg[1] = (unsigned char)param_geti("width_src"); // funkce vraci nulu pokud nenalezne konstantu
write_port((char *)msg);
}
/*This function creates an OBD commad legible for the OBD and writes it into it.
* * Arguments:
* fd: file descriptor to write in.
* buffer: pointer to the buffer where the command is.
* Return value:
* n: number of bytes written.
* OBD_WRITE: error while writting.
*/
int write_obdmsg(int fd, char *msg) {
char buffer[OBDMSGLEN] = "";
strncat(buffer, msg, OBDMSGLEN);
strncat(buffer, LM327_EOLSTRING, OBDMSGLEN);
return write_port(fd, buffer, strlen(buffer));
}
static void
on_socket_event(void * socket, uint32 event, void * cookie)
{
connection_cookie * cc = (connection_cookie *) cookie;
struct socket_event_data sed;
status_t status;
if (!cc)
return;
if (cc->socket != socket) {
printf("on_socket_event(%p, %ld, %p): socket is higly suspect! Aborting.\n", socket, event, cookie);
return;
}
printf("on_socket_event(%p, %ld, %p)\n", socket, event, cookie);
sed.event = event;
sed.cookie = cc->notify_cookie;
// TODO: don't block here => write_port_etc() ?
status = write_port(cc->socket_event_port, NET_STACK_SOCKET_EVENT_NOTIFICATION,
&sed, sizeof(sed));
if (status != B_OK)
printf("write_port(NET_STACK_SOCKET_EVENT_NOTIFICATION) failure: %s\n",
strerror(status));
return;
}
status_t
MainLoop()
{
do {
ssize_t size = port_buffer_size(gRequestPort);
if (size < B_OK)
return 0;
void* buffer = malloc(size);
if (buffer == NULL)
return B_NO_MEMORY;
MemoryDeleter _(buffer);
int32 code;
size = read_port(gRequestPort, &code, buffer, size);
if (size < B_OK)
return 0;
status_t result;
switch (code) {
case MsgGetAddrInfo:
result = GetAddrInfo(reinterpret_cast<char*>(buffer));
break;
default:
result = B_BAD_VALUE;
write_port(gReplyPort, MsgError, &result, sizeof(result));
result = B_OK;
}
if (result != B_OK)
return 0;
} while (true);
}
filter_result InputFilter::Filter(BMessage *message, BList *outList) {
const int32 kControlKeys = B_COMMAND_KEY | B_SHIFT_KEY;
if (message->what == B_KEY_DOWN ) {
int32 raw;
int32 mods;
if ((message->FindInt32("raw_char", 0, (int32 *)&raw) == B_OK)
&& (message->FindInt32("modifiers", (int32 *)&mods) == B_OK)
&& (raw==118) // v
&& ((mods & kControlKeys) == kControlKeys) ) {
port_id port = find_port("ClipUp input port");
if (port!=B_NAME_NOT_FOUND) {
write_port( port, 'CtSV', NULL, 0 );
return B_SKIP_MESSAGE;
}
}
}
return B_DISPATCH_MESSAGE;
}
/*
****************************************************************
* Chamada ao sistema "mutime" *
****************************************************************
*/
int
mutime (MUTM *tp)
{
register int ticks;
register int PIT_val;
MUTM mutm;
/*
* Falta pensar sobre as CPUs N
*/
disable_int ();
write_port (0x00, 0x43); /* Latch */
PIT_val = read_port (0x40) + (read_port (0x40) << 8);
mutm.mu_time = time; ticks = hz;
enable_int ();
/*
* Agora faz o cálculo
*/
mutm.mu_utime = mul_div_64 (ticks, MILHAO, scb.y_hz) +
mul_div_64 (PIT_init - PIT_val, MILHAO, PIT_FREQ);
if (unimove (tp, &mutm, sizeof (MUTM), SU) < 0)
u.u_error = EFAULT;
return (UNDEF);
} /* end mutime */
status_t
NameToGID(void* buffer)
{
char* groupName = reinterpret_cast<char*>(buffer);
struct group* groupInfo = NULL;
if (MatchDomain(groupName) == B_OK)
groupInfo = getgrnam(groupName);
if (groupInfo == NULL) {
return write_port(gReplyPort, MsgReply, &gNogroupId,
sizeof(gNogroupId));
}
return write_port(gReplyPort, MsgReply, &groupInfo->gr_gid, sizeof(gid_t));
}
/* This function creates an AT commad legible for the OBD and writes it into it.
* Arguments:
* fd: file descriptor to write in.
* buffer: pointer to the buffer where the command is.
* Return value:
* n: number of bytes written.
* OBD_WRITE: error while writting.
*/
int write_atmsg(int fd, char *msg) {
char buffer[ATMSGLEN];
strncpy(buffer, "AT", ATMSGLEN);
strncat(buffer, msg, ATMSGLEN);
strncat(buffer, LM327_EOLSTRING, ATMSGLEN);
return write_port(fd, buffer, strlen(buffer));
}
void turn_off_motor() {
if(floppy_motor) {
wait_for_FDC();
dor_status &= ~FLOPPY_MOTOR_A;
write_port(FLOPPY_DOR_REG,dor_status);
floppy_motor = 0;
}
}
void turn_on_motor() {
if(floppy_motor == 0) {
wait_for_FDC();
dor_status |= FLOPPY_MOTOR_A;
write_port(FLOPPY_DOR_REG,dor_status);
add_timer(9,floppy_motor_enabled,0);
}
}
// vreport
void
vreport(const char *format, va_list args)
{
char buffer[10240];
vsprintf(buffer, format, args);
int32 length = strlen(buffer);
write_port(outputPort, 0, buffer, length);
}
void
BMidiLocalProducer::SprayEvent(const void* data, size_t length,
bool atomic, bigtime_t time, bool sysex) const
{
if (LockProducer()) {
if (CountConsumers() > 0) {
// We don't just send the MIDI event data to all connected
// consumers, we also send a header. The header contains our
// ID (4 bytes), the consumer's ID (4 bytes), the performance
// time (8 bytes), whether the data is atomic (1 byte), and
// padding (3 bytes). The MIDI event data follows the header.
size_t buf_size = 20 + length;
if (sysex) {
// add 0xF0 and 0xF7 markers
buf_size += 2;
}
uint8* buffer = (uint8*)malloc(buf_size);
if (buffer != NULL) {
*((uint32*) (buffer + 0)) = fId;
*((bigtime_t*) (buffer + 8)) = time;
*((uint32*) (buffer + 16)) = 0;
*((bool*) (buffer + 16)) = atomic;
if (sysex) {
*((uint8*) (buffer + 20)) = B_SYS_EX_START;
if (data != NULL)
memcpy(buffer + 21, data, length);
*((uint8*) (buffer + buf_size - 1)) = B_SYS_EX_END;
} else if (data != NULL) {
memcpy(buffer + 20, data, length);
}
for (int32 t = 0; t < CountConsumers(); ++t) {
BMidiConsumer* cons = ConsumerAt(t);
*((uint32*) (buffer + 4)) = cons->fId;
#ifdef DEBUG
printf("*** spraying: ");
for (uint32 t = 0; t < buf_size; ++t)
{
printf("%02X, ", buffer[t]);
}
printf("\n");
#endif
write_port(cons->fPort, 0, buffer, buf_size);
}
free(buffer);
}
}
UnlockProducer();
}
}
void check_positions(void) {
if (current_loc >= SCREENSIZE) {
unsigned int line_size = BYTES * COLUMNS;
current_loc = SCREENSIZE - line_size;
unsigned int j = 0;
for (unsigned int i = line_size; i < SCREENSIZE; i++) {
vidptr[j++] = vidptr[i];
}
while (j < SCREENSIZE) {
vidptr[j++] = ' ';
vidptr[j++] = BASE_COLOR;
}
}
write_port(0x3D4, 0x0F);
write_port(0x3D5, (unsigned char)(current_loc / 2 & 0xFF));
write_port(0x3D4, 0x0E);
write_port(0x3D5, (unsigned char )((current_loc / 2 >> 8) & 0xFF));
}
status_t
LocalDebuggerInterface::UninstallBreakpoint(target_addr_t address)
{
debug_nub_clear_breakpoint message;
message.address = (void*)(addr_t)address;
return write_port(fNubPort, B_DEBUG_MESSAGE_CLEAR_BREAKPOINT,
&message, sizeof(message));
}
/* flag ignored, for arg compatibility w/ xmit_data */
void _xmit_img_file(QSP_ARG_DECL Port *mpp,Image_File *ifp,int flag) /** send a file header */
{
int32_t len;
int32_t code;
#ifdef SIGPIPE
// We used to call a handler (if_pipe) that performed
// a fatal error exit. Now we would like to recover
// a little more gracefully. That means that put_port_int32 etc
// can return after the port is closed.
signal(SIGPIPE,SIG_IGN);
#endif /* SIGPIPE */
code=P_IMG_FILE;
if( put_port_int32(mpp,code) == (-1) ){
warn("xmit_file: error sending code");
return;
}
len=(int32_t)strlen(ifp->if_name)+1;
/* we don't send the file data, just the header data */
/* We need to send:
*
* name
* if_nfrms (frms written/read)
* if_type (file format)
* (file type specific header?)
* if_flags
* (dp ptr to obj with dimensions?)
* (if_pathname) (don't really care since file is on remot sys)
*/
if( put_port_int32(mpp,len) == -1 ){
warn("xmit_file: error writing name length word");
return;
}
if( put_port_int32(mpp, ifp->if_nfrms) == -1 ||
put_port_int32(mpp, FT_CODE(IF_TYPE(ifp)) ) == -1 ||
put_port_int32(mpp, ifp->if_flags ) == -1 ){
warn("error sending image file header data");
return;
}
if( write_port(mpp,ifp->if_name,len) == (-1) ){
warn("xmit_file: error writing image file name");
return;
}
/* now send the associated data_obj header... */
assert( ifp->if_dp != NULL );
xmit_obj(mpp,ifp->if_dp,0);
}
void
BSBar::ValueChanged(float vv)
{
if (fLastValue!=vv)
{
write_port(fDrawPort,SCROLLBAR_MOVE,NULL,0);
fLastValue=vv;
}
}
void write_all(void *arg, long period)
{
parport_t *port;
int n;
port = arg;
for (n = 0; n < num_ports; n++) {
write_port(&(port[n]), period);
}
}
status_t
beos_dl_close(image_id im)
{
/* unload add-on */
int32 resu;
write_port(beos_dl_port_in, 2, &im, 4);
read_port(beos_dl_port_out, &resu, NULL, 0);
return resu;
}
void AskName::MessageReceived(BMessage *msg)
{
if (msg->what == ACCEPT_BUTTON)
{
text = strdup(Text->Text());
write_port(Port, 1, NULL, 0);
}
else BWindow::MessageReceived(msg);
}
static int set_lcd_brightness(char *brightness)
{
struct stdio_dev *cop_port;
char *env;
char cmd_buf[20];
int val = 0;
int cs = 0;
int len, i;
if (brightness) {
val = simple_strtol(brightness, NULL, 10);
} else {
env = getenv("brightness");
if (env)
val = simple_strtol(env, NULL, 10);
}
if (val < 0)
val = 0;
if (val > MAX_BRIGHTNESS)
val = MAX_BRIGHTNESS;
sprintf(cmd_buf, "$SB;%04d;", val);
len = strlen(cmd_buf);
for (i = 1; i <= len; i++)
cs += cmd_buf[i];
cs = (~cs + 1) & 0xff;
sprintf(cmd_buf + len, "%02X\n", cs);
/* IO Coprocessor communication */
cop_port = open_port(4, CONFIG_SYS_PDM360NG_COPROC_BAUDRATE);
if (!cop_port) {
printf("Error: Can't open IO Coprocessor port.\n");
return -1;
}
debug("%s: cmd: %s", __func__, cmd_buf);
write_port(cop_port, cmd_buf);
/*
* Wait for transmission and maybe response data
* before closing the port.
*/
udelay(CONFIG_SYS_PDM360NG_COPROC_READ_DELAY);
memset(cmd_buf, 0, sizeof(cmd_buf));
len = read_port(cop_port, cmd_buf, sizeof(cmd_buf));
if (len)
printf("Error: %s\n", cmd_buf);
close_port(4);
return 0;
}
/**
* Log has reached the end of its journey. This class will render it to the user.
*
* @param buf A pointer to the buffer.
* @param len How long the buffer is.
* @param mm A declaration of memory-management responsibility.
* @return A declaration of memory-management responsibility.
*/
int8_t STM32F7USB::toCounterparty(StringBuilder* buf, int8_t mm) {
_accumulator.concatHandoff(buf);
if (connected() && !_tx_in_progress) {
char* working_chunk = _accumulator.position(0);
if (write_port((uint8_t*) working_chunk, strlen(working_chunk))) {
// TODO: Fail-over timer? Disconnection signal?
_accumulator.drop_position(0);
}
}
return MEM_MGMT_RESPONSIBLE_BEARER; // We took the buffer.
}