/**
* Attempt to send data to the associated port.
*/
void rust_chan::send(void *sptr) {
buffer.enqueue(sptr);
rust_dom *dom = task->dom;
if (!is_associated()) {
W(dom, is_associated(),
"rust_chan::transmit with no associated port.");
return;
}
A(dom, !buffer.is_empty(),
"rust_chan::transmit with nothing to send.");
if (port->is_proxy()) {
// TODO: Cache port task locally.
rust_proxy<rust_task> *port_task =
dom->get_task_proxy(port->delegate()->task);
data_message::send(buffer.peek(), buffer.unit_sz,
"send data", task, port_task, port->as_proxy());
buffer.dequeue(NULL);
} else {
rust_port *target_port = port->delegate();
if (target_port->task->blocked_on(target_port)) {
dom->log(rust_log::COMM, "dequeued in rendezvous_ptr");
buffer.dequeue(target_port->task->rendezvous_ptr);
target_port->task->rendezvous_ptr = 0;
target_port->task->wakeup(target_port);
return;
}
}
return;
}
rust_chan::~rust_chan() {
task->log(rust_log::MEM | rust_log::COMM,
"del rust_chan(task=0x%" PRIxPTR ")", (uintptr_t) this);
A(task->dom, is_associated() == false,
"Channel must be disassociated before being freed.");
}
/**
* Unlink this channel from its associated port.
*/
void rust_chan::disassociate() {
A(task->dom, is_associated(), "Channel must be associated with a port.");
if (port->is_proxy() == false) {
task->log(rust_log::TASK,
"disassociating chan: 0x%" PRIxPTR " from port: 0x%" PRIxPTR,
this, port->delegate());
port->delegate()->chans.swap_delete(this);
}
// Delete reference to the port.
port = NULL;
}
void main(void) {
// Have to init the clock first
init_clock();
// These initialize variables
// Mostly just zeroing them
okay_to_transmit = FALSE;
server_wants_header = FALSE;
inside_non_blocking_interrupt = FALSE;
last_connect_time = 0;
check_in_period = 0;
setup_button_pressed = FALSE;
setup_button_time_trigger = 0;
setup_button_time_duration = 0;
main_mode = MAIN_MODE_INIT;
init_internal_wattage_sensor();
init_temperature_sensor();
init_audio_sensor();
init_light_sensor();
uint8_t itor = 0;
for (itor = 0; itor < NUMBER_OF_AUX_PORTS; itor++) {
aux_sensor[itor] = 0;
}
// These initialize functions and interrupts
init_timer();
init_time();
init_leds();
init_relay();
init_uart();
init_transmits();
init_buttons();
init_roving(&roving_call_back);
setup_button_time_trigger = new_time();
setup_button_time_duration = new_time();
time_set_seconds(setup_button_time_duration, 2);
_enable_interrupts();
// confirm roving works
while (!enter_command_mode()) {
reset_roving();
wait(500);
}
init_adc();
init_pll();
// This is for the check in
// If we are disconnected, we wait 5 seconds before trying to reconnect
last_connect_time = new_time();
check_in_period = new_time();
time_set_seconds(check_in_period, 5);
// And go!!!
set_led_anim(led_start);
// MAIN LOOP
while(1) {
handle_roving_input();
// Check if it a long hold
if(setup_button_pressed) {
// If the button is pressed down
if(time_cmp(global_time(), setup_button_time_trigger) >= 0) {
// If enough time has passed
if(in_setup_mode()) {
leave_setup_mode();
} else {
start_setup_mode();
}
// Only want to check this once
setup_button_pressed = FALSE;
}
}
// MAIN BEHAVIOR
// There is setup_mode and main_mode.
// Setup mode is for configuring WiFi SSID and PASS
// Main mode is for sampling
if (in_setup_mode()) {
if(main_mode != MAIN_MODE_SETUP) {
stop_sampling();
set_led_anim(led_setup_start);
main_mode = MAIN_MODE_SETUP;
}
do_setup();
} else if (in_main_mode()) { //regular mode
if(main_mode != MAIN_MODE_SAMPLE) {
set_led_anim(led_main_start);
start_sampling();
main_mode = MAIN_MODE_SAMPLE;
}
if(!is_associated()) {
associate();
} else if (!have_dhcp()) {
get_dhcp();
} else {
if(is_connected()) set_led_anim(led_main_connected);
else set_led_anim(led_main_assoc);
if(!is_connected() && (time_cmp(global_time(), last_connect_time) >= 0) ) {
// If we are not connected, and enough time has passed, connect
connect();
add_time_to_time(last_connect_time, check_in_period);
}
if(server_wants_header) {
led_ping();
exit_command_mode();
transmit_header();
wait(100);
}
if(okay_to_transmit && have_data_to_transmit()) {
led_ping();
exit_command_mode();
transmit_data();
}
}
} else {
main_mode = MAIN_MODE_INIT;
set_led_anim(led_error);
stop_sampling();
}
}
}
