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Zero-copy TX: span_writer packer, static buffers, no vector returns

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Ian Gulliver
2026-04-10 22:18:44 +09:00
parent 94895fd2fe
commit e2a5d97dae
10 changed files with 173 additions and 133 deletions
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12
firmware/lib/handlers.cpp
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@@ -5,12 +5,12 @@
#include "net.h"
#include "debug_log.h"
std::vector<std::vector<uint8_t>> handle_picoboot(uint32_t message_id, std::span<const uint8_t>) {
size_t handle_picoboot(uint32_t message_id, std::span<const uint8_t>, span_writer &out) {
dispatch_schedule_ms(100, []{ reset_usb_boot(0, 1); });
return {encode_response(message_id, ResponsePICOBOOT{})};
return encode_response_into(out, message_id, ResponsePICOBOOT{});
}
std::vector<std::vector<uint8_t>> handle_info(uint32_t message_id, std::span<const uint8_t>) {
size_t handle_info(uint32_t message_id, std::span<const uint8_t>, span_writer &out) {
ResponseInfo resp;
pico_unique_board_id_t uid;
pico_get_unique_board_id(&uid);
@@ -19,12 +19,12 @@ std::vector<std::vector<uint8_t>> handle_info(uint32_t message_id, std::span<con
resp.mac = ns.mac;
resp.ip = ns.ip;
resp.firmware_name = firmware_name;
return {encode_response(message_id, resp)};
return encode_response_into(out, message_id, resp);
}
std::vector<std::vector<uint8_t>> handle_log(uint32_t message_id, std::span<const uint8_t>) {
size_t handle_log(uint32_t message_id, std::span<const uint8_t>, span_writer &out) {
ResponseLog resp;
for (auto& e : dlog_drain())
resp.entries.push_back(LogEntry{e.timestamp_us, std::move(e.message)});
return {encode_response(message_id, resp)};
return encode_response_into(out, message_id, resp);
}