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POCSAG: decoder fixes, serial output, TX polarity cleanup (#3130)

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RX: fix address/batch-boundary handling, add numeric continuation,
add heuristic type detection toggle, pass inverted polarity flag,
stream decoded messages over USB serial.

TX: rename phase to polarity (Standard/Inverted), fix function
validation (&&→||), fix serial shell payload read (offset tracking,
31-byte cap, preserve msglen).

Decoder: remove color escapes from output (plain text for all
consumers), guard count_alpha_fill against empty string, keep
numeric_len across continuation batches.

Serial format: POCSAG <baud> <addr> <func> <pol> <type> "<msg>" hex:<hex>
Quote escaping for embedded " and \\ in alpha messages.
This commit is contained in:
VasylSamoilov
2026-04-10 09:35:43 +03:00
committed by GitHub
parent fc18992442
commit dd006b4830
11 changed files with 549 additions and 92 deletions
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firmware/application/external/pocsag_tx/ui_pocsag_tx.hpp
Vendored
+13 -5
View File
@@ -84,7 +84,7 @@ class POCSAGTXView : public View {
{{3 * 8, 6 * 8}, "Address:", Theme::getInstance()->fg_light->foreground},
{{6 * 8, 8 * 8}, "Type:", Theme::getInstance()->fg_light->foreground},
{{2 * 8, 10 * 8}, "Function:", Theme::getInstance()->fg_light->foreground},
{{5 * 8, 12 * 8}, "Phase:", Theme::getInstance()->fg_light->foreground},
{{2 * 8, 12 * 8}, "Polarity:", Theme::getInstance()->fg_light->foreground},
{{UI_POS_X(0), 14 * 8}, "Message:", Theme::getInstance()->fg_light->foreground}};
OptionsField options_bitrate{
@@ -113,12 +113,20 @@ class POCSAGTXView : public View {
{"C", 2},
{"D", 3}}};
OptionsField options_phase{
/*
* TX polarity (CCIR Rec. 584):
* "Standard" (value 0): bit 1 = negative deviation (CCIR Rec. 584 standard).
* Codewords are bitwise-inverted before the FSK modulator
* because the modulator maps bit 1 to positive deviation.
* "Inverted" (value 1): bit 1 = positive deviation (non-standard).
* Codewords are sent as-is to the modulator.
*/
OptionsField options_polarity{
{11 * 8, 12 * 8},
1,
8,
{
{"P", 0},
{"N", 1},
{"Standard", 0},
{"Inverted", 1},
}};
Text text_message{