Skip to content

Expose dmdreader signals #56

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
PastorL69 wants to merge 3 commits into
base: ppuc
Choose a base branch
from
Open

Expose dmdreader signals #56

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
b1fe107
implement signal getter function
PastorL69 Aug 18, 2026
3f4ad1e
naming
PastorL69 Aug 18, 2026
80f14eb
detected sifgnals
PastorL69 Aug 18, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 6 additions & 4 deletions src/dmdreader.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,7 @@ uint8_t *framebuf_to_send;
uint8_t dummy_sniff_dst[1];
uint32_t frame_crc = 0;
uint32_t crc_previous_frame = 0;
uint64_t detected_signals = 0;
bool detected_0_1_0_1 = false;
bool detected_1_0_0_0 = false;
bool locked_in = false;
Expand Down Expand Up @@ -330,10 +331,10 @@ uint64_t read_clock_count() {

DmdType detect_dmd() {

uint64_t signals = read_clock_count();
uint32_t dotclk = signals >> 32;
uint16_t rclk = signals >> 16; // never exceeds 25000
uint16_t rdata = signals; // never exceeds 600
detected_signals = read_clock_count();
uint32_t dotclk = detected_signals >> 32;
uint16_t rclk = detected_signals >> 16; // never exceeds 25000
uint16_t rdata = detected_signals; // never exceeds 600

// By checking DOTCLK, RCLK and RDATA we can identify system types
// All values are based on a 1000ms sample of data
Expand Down Expand Up @@ -1654,3 +1655,4 @@ uint8_t *dmdreader_loopback_render() {

uint16_t dmdreader_get_source_width() { return source_width; }
uint16_t dmdreader_get_source_height() { return source_height; }
uint64_t dmdreader_get_detected_signals() {return detected_signals; }
1 change: 1 addition & 0 deletions src/dmdreader.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -56,5 +56,6 @@ void dmdreader_error_blink(bool no_error);

uint16_t dmdreader_get_source_width();
uint16_t dmdreader_get_source_height();
uint64_t dmdreader_get_detected_signals();

#endif