Files
picomap/firmware/lib/dispatch.cpp

70 lines
1.9 KiB
C++

#include "dispatch.h"
#include <unordered_map>
#include "pico/stdlib.h"
#include "wire.h"
#include "timer_queue.h"
#include "net.h"
#include "igmp.h"
#include "debug_log.h"
#include "hardware/sync.h"
static timer_queue timers;
static void igmp_reannounce() {
auto& ns = net_get_state();
igmp::send_all_reports(ns.mac, ns.ip, net_send_raw);
dispatch_schedule_ms(60000, igmp_reannounce);
}
void dispatch_init() {
net_init();
dispatch_schedule_ms(60000, igmp_reannounce);
dlog("dispatch_init complete");
}
timer_handle dispatch_schedule_ms(uint32_t ms, std::function<void()> fn) {
auto h = timers.schedule_ms(ms, std::move(fn));
if (!h) dlogf("timer alloc failed: %lu ms", static_cast<unsigned long>(ms));
return h;
}
bool dispatch_cancel_timer(timer_handle h) {
return timers.cancel(h);
}
[[noreturn]] void dispatch_run(std::span<const handler_entry> handlers) {
std::unordered_map<int8_t, handler_fn> handler_map;
for (auto& entry : handlers) {
handler_map[entry.type_id] = entry.handle;
}
static std::array<uint8_t, 4096> tx_buf;
auto dispatch_msg = [&](const DecodedMessage& msg, send_fn send) {
auto it = handler_map.find(msg.type_id);
if (it == handler_map.end()) {
dlogf("dispatch: unknown type_id %d", msg.type_id);
return;
}
responder resp{msg.message_id, std::move(send)};
it->second(resp, msg.payload);
};
net_set_handler([&](std::span<const uint8_t> payload,
send_fn send) {
auto msg = try_decode(payload.data(), payload.size());
if (!msg) return;
dispatch_msg(*msg, std::move(send));
});
while (true) {
uint32_t save = save_and_disable_interrupts();
dlog_if_slow("timers", 1000, [&]{ timers.run(); });
dlog_if_slow("net_poll", 1000, [&]{ net_poll(std::span{tx_buf}); });
__wfi();
restore_interrupts(save);
}
}