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fix(rgbled): double-buffer WS2812 strip to eliminate races (#7304)

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Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Raphael Coeffic
2026-04-29 20:09:07 +10:00
committed by GitHub
co-authored by Claude Opus 4.7
parent 462b0351ef
commit ac4c4d7b6b
16 changed files with 244 additions and 169 deletions
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radio/src/targets/pa01/battery_driver.cpp
+5 -7
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@@ -27,7 +27,6 @@
#include "edgetx.h"
#include "mainwindow.h"
#include "static.h"
#include "stm32_ws2812.h"
#include "LvglWrapper.h"
#define __BATTERY_DRIVER_C__
@@ -603,8 +602,8 @@ void setLedGroupColor(uint8_t index, uint8_t color, uint8_t brightness) {
scaled_b = brightness;
}
ws2812_set_color(rgbMapping[index], scaled_r, scaled_g, scaled_b);
ws2812_set_color(rgbMapping[index] + 1, scaled_r, scaled_g, scaled_b);
rgbSetLedColor(rgbMapping[index], scaled_r, scaled_g, scaled_b);
rgbSetLedColor(rgbMapping[index] + 1, scaled_r, scaled_g, scaled_b);
}
uint8_t ledBreathBright(float angle, uint8_t maxBright) {
@@ -655,11 +654,10 @@ void ledLoop(void) {
ledBreathUpdate(led_info.led_state, led_info.led_color, led_info.led_group);
}
extern const stm32_pulse_timer_t _led_timer;
static uint8_t _led_charge_colors[WS2812_BYTES_PER_LED * LED_STRIP_LENGTH];
void rgbChargeInit(void) {
ws2812_init(&_led_timer, _led_charge_colors, LED_STRIP_LENGTH, WS2812_GRB);
rgbLedClearAll();
// Bring up the WS2812 strip without starting the periodic refresh timer
// (the FreeRTOS scheduler isn't running yet during the charging UI).
rgbLedHwInit();
}
constexpr uint16_t vbatLedTable[] = {650, 720, 760, 800, 823 };