theater/picomap
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add debug log ring buffer with timestamps, log CLI subcommand

Browse Source
This commit is contained in:
Ian Gulliver
2026-04-07 09:18:43 +09:00
parent ffcbaf0665
commit d215ddc6f2
12 changed files with 128 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
firmware/include/ring_buffer.h
View File

@@ -3,9 +3,9 @@
#include <cstdint>
#include <span>
template <uint16_t N>
template <typename T, uint16_t N>
struct ring_buffer {
std::array<uint8_t, N> data = {};
std::array<T, N> data = {};
uint16_t head = 0;
uint16_t tail = 0;
@@ -13,13 +13,18 @@ struct ring_buffer {
uint16_t free() const { return N - used(); }
bool empty() const { return head == tail; }
void push(std::span<const uint8_t> src) {
void push(std::span<const T> src) {
if (src.size() > free()) return;
for (auto b : src)
data[(tail++) % N] = b;
for (auto& v : src)
data[(tail++) % N] = v;
}
uint16_t peek(std::span<uint8_t> dst) const {
void push(const T& v) {
if (free() == 0) return;
data[(tail++) % N] = v;
}
uint16_t peek(std::span<T> dst) const {
uint16_t len = dst.size() < used() ? dst.size() : used();
for (uint16_t i = 0; i < len; i++)
dst[i] = data[(head + i) % N];
@@ -34,7 +39,7 @@ struct ring_buffer {
}
}
std::span<const uint8_t> read_contiguous() const {
std::span<const T> read_contiguous() const {
uint16_t offset = head % N;
uint16_t contig = N - offset;
uint16_t pending = used();