void sync_comm(uint32_t* data, uint32_t length)
{
uint32_t i, j; // loop counters
uint32_t current; // current word of data
uint32_t time = get_time()+1000; // start time after initialization
for(i = 0; i < length; i++) { // iterate through input data
current = data[i]; // read next word
for(j = 0; j < 32; j++) { // iterate through each bit in word
time = time + PERIOD/2;
set_compare(time);
delay_until(); // wait half period
gpo_set_0(1); // posedge clk on pin
if(current & 1) { // if bit == 1...
gpo_set_0(2); // output bit goes high
} else { // if bit == 0...
gpo_clear_0(2); // output bit goes high
}
current = current >> 1; // setup next bit
time = time + PERIOD/2;
set_compare(time);
delay_until(); // wait half period
gpo_clear_0(1); // negedge clk on pin
}
}
}
int main(int args, char **argv)
{
int v;
int i;
int first = 1;
int k = 2;
int period = 10000;
long x = get_time();
for(;;){
if(!first){
delay_until(x);
mtfd_end();
}
mtfd_begin(period);
if(!first)
actuating(k);
v = sensing();
x += period;
k = computation(v);
first = 0;
}
// The interesting thing is that the final code
// includes to call to pret_mt
return k;
}
void producer(void)
{
int item;
if(count==N)
delay_until(count<100);
else
count++;
}
void consumer(void)
{
int item;
if(count==0)
delay_until(count>0);
else
count--;
}
int main(int argc, char *argv[])
{
int h,l;
get_time(h,l);
add_ms(h,l,10);
delay_until(h,l);
return 0;
}
long cyclic_thread::execute(void *arg)
{
const float delay_interval = 1.0 / m_frequency;
struct timespec t1;
struct timespec t2;
// Make GCC happy (-Wextra)
if (arg) {
return THREAD_INTERNAL_ERROR;
}
// Prepare first run
if ( clock_gettime(get_clock_id(), &t1) ) {
return THREAD_TIME_ERROR;
}
if ( get_new_time(&t1, delay_interval, &t2) != DELAY_SUCCESS ) {
return THREAD_TIME_ERROR;
}
if ( delay_until(&t2) != DELAY_SUCCESS) {
return THREAD_TIME_ERROR;
}
while ( !is_stopped() ) {
// Do cyclic work
if ( cyclic_execute() != THREAD_SUCCESS ) {
return THREAD_INTERNAL_ERROR;
}
// Calculate next interval
if ( get_new_time(&t2, delay_interval, &t2) != DELAY_SUCCESS ) {
return THREAD_TIME_ERROR;
}
if ( delay_until(&t2) != DELAY_SUCCESS) {
return THREAD_TIME_ERROR;
}
update_exe_cnt();
}
return THREAD_SUCCESS;
}
int main(void) {
unsigned int ns_h = 0;
unsigned int ns_l = 100000;
unsigned int message;
// Synchronize.
delay_until(ns_h, ns_l);
while(1) {
message = tohost_id(THREAD, 4); mtpcr(30, message);
message = tohost_time(get_time_low()); mtpcr(30, message);
taskA4_main();
message = tohost_id(THREAD, 14); mtpcr(30, message);
message = tohost_time(get_time_low()); mtpcr(30, message);
add_ms(ns_h, ns_l, 200);
delay_until(ns_h, ns_l);
}
return 0;
}
int main(void) {
unsigned int ns_h = 0;
unsigned int ns_l = 100000;
unsigned int i = 0;
unsigned int message;
// Synchronize.
delay_until(ns_h, ns_l);
while(1) {
message = tohost_id(THREAD, 1); mtpcr(30, message);
message = tohost_time(get_time_low()); mtpcr(30, message);
taskB1_main();
message = tohost_id(THREAD, 11); mtpcr(30, message);
message = tohost_time(get_time_low()); mtpcr(30, message);
if(i == 0) {
message = tohost_id(THREAD, 2); mtpcr(30, message);
message = tohost_time(get_time_low()); mtpcr(30, message);
taskB2_main();
message = tohost_id(THREAD, 12); mtpcr(30, message);
message = tohost_time(get_time_low()); mtpcr(30, message);
i++;
} else {
message = tohost_id(THREAD, 3); mtpcr(30, message);
message = tohost_time(get_time_low()); mtpcr(30, message);
taskB3_main();
message = tohost_id(THREAD, 13); mtpcr(30, message);
message = tohost_time(get_time_low()); mtpcr(30, message);
i = 0;
}
add_ms(ns_h, ns_l, 25);
delay_until(ns_h, ns_l);
}
return 0;
}
int main(int argc, char *argv[])
{
int h,l; // High and low 32-bit time values
get_time(h,l); // Current time in nano seconds
while(1){ // Repeat control loop forever
add_ms(h,l,10); // Add 10ms
exception_on_expire(h,l,missed_deadline_handler);
// Upper timing bound. Exception handler
compute_task(); // Sense, compute, and actuate
delay_until(h,l); // Delay until start of next period
}
return 0;
}
/*!
* Delay thread until given time period expires
* \param t Expiration time
* \return 0
*/
int delay ( time_t *t )
{
time_t aps;
ASSERT_ERRNO_AND_RETURN ( t, E_INVALID_ARGUMENT );
time_get ( &aps );
aps.sec += t->sec;
aps.nsec += t->nsec;
if ( aps.nsec > 1000000000 )
{
aps.nsec -= 1000000000;
aps.sec++;
}
return delay_until ( &aps );
}
/**
* Pour requested_amount grams from bottle..
* Return 0 on success, other values are return values of
* delay_until (including scale error codes).
*/
errv_t Bottle::pour(int requested_amount, int& measured_amount) {
// orig_weight is weight including ingredients poured until now
int orig_weight, ret;
while (1) {
// get weight while turning bottle, because ads1231_stable_millis()
// blocks bottle in pause position too long
int below_pause = (pos_down + get_pause_pos()) / 2;
ret = turn_to(below_pause, TURN_DOWN_DELAY, true, &orig_weight);
// Note that checking weight here is a critical issue, allows hacking
// the robot. If a heavy weight is placed while measuring and then
// removed while pouring (results in more alcohol). Stable weight
// should resolve most problems.
if (ret == WEIGHT_NOT_STABLE) {
ret = ads1231_get_stable_grams(orig_weight);
}
if (ret != 0 && ret != WHERE_THE_FUCK_IS_THE_CUP) {
return ret;
}
if (ret == WHERE_THE_FUCK_IS_THE_CUP || orig_weight < WEIGHT_EPSILON) {
// no cup...
RETURN_IFN_0(wait_for_cup());
}
else {
// everything fine
break;
}
}
// loop until successfully poured or aborted or other fatal error
while(1) {
// petres wants POURING message also after resume...
// https://github.com/rfjakob/barwin-arduino/issues/10
MSG(String("POURING ") + String(number) + String(" ") + String(orig_weight));
DEBUG_MSG_LN("Turn down");
ret = turn_down(TURN_DOWN_DELAY, true); // enable check_weight
// wait for requested weight
// FIXME here we do not want WEIGHT_EPSILON and sharp >
if (ret == 0) {
DEBUG_MSG_LN("Waiting");
ret = delay_until(POURING_TIMEOUT,
orig_weight + requested_amount - UPGRIGHT_OFFSET, true);
}
if (ret == 0)
break; // All good
DEBUG_MSG_LN(String("pour: got err ") + String(ret));
// Bottle empty
// Note that this does not work if requested_amount is less than
// UPGRIGHT_OFFSET!
if(ret == BOTTLE_EMPTY) {
ERROR(strerror(BOTTLE_EMPTY) + String(" ") + String(number) );
// TODO other speed here? it is empty already!
RETURN_IFN_0(turn_to(pos_up + BOTTLE_EMPTY_POS_OFFSET, TURN_UP_DELAY));
RETURN_IFN_0(wait_for_resume()); // might return ABORTED
}
// Cup was removed early
else if(ret == WHERE_THE_FUCK_IS_THE_CUP) {
ERROR(strerror(WHERE_THE_FUCK_IS_THE_CUP));
RETURN_IFN_0(turn_to_pause_pos(FAST_TURN_UP_DELAY));
RETURN_IFN_0(wait_for_cup());
}
// other error - turn bottle up and return error code
// includes: scale error, user abort, ...
else {
return ret;
}
}
// We turn to pause pos and not completely up so we can crossfade
RETURN_IFN_0(turn_to_pause_pos(TURN_UP_DELAY));
RETURN_IFN_0(ads1231_get_grams(measured_amount));
measured_amount -= orig_weight;
DEBUG_START();
DEBUG_MSG("Stats: ");
DEBUG_VAL(requested_amount);
DEBUG_VAL(measured_amount);
DEBUG_END();
return 0;
}