Merge pull request 'fix(wave): bench 定时自抓到期判定无符号回绕恒真修复，第四幕板级闭环入档（#84）' (#95) from exec-issue-84-1f621ac1c3ce into master

Reviewed-on: http://100.123.83.113:3001/wandering1/STM32F4-Base/pulls/95
2026-11-07 22:05:57 +08:00
parent c6043af6c0 1df02c4658
commit 33b52410f9
20 changed files with 2279 additions and 55 deletions
@@ -585,11 +585,15 @@ void adc_task_func(void *arg) {
                s_wave_bench_off = 1u;
                DBG_INFO("wave bench autocap STOP after %u s",
                         (unsigned int)(WAVE_BENCH_MAX_MS / 1000u));
-            } else if ((uint32_t)(now - s_wave_bench_next) >= WAVE_BENCH_PERIOD_MS) {
+            } else if ((int32_t)(now - s_wave_bench_next) >= 0) {
+                /* 到期判定必须用有符号差值：无符号 (now-next)>=PERIOD 在
+                 * next=now+PERIOD 挂出后立刻成立（now<next 时差值回绕成巨数），
+                 * 2026-11-07 台架实证该写法以 1 kHz 连发请求：ovf 每秒 +1000、
+                 * 段节奏被去重钳到 ~1.5 s/段，违背 ON 行承诺的 1 seg / 2000 ms */
                s_wave_bench_next = now + WAVE_BENCH_PERIOD_MS;
                (void)wave_ring_request((uint8_t)WAVE_TRIG_BENCH, 0u);
            } else {
-                /* 本拍未到周期点：无事可做（比较用无符号差值，回绕安全） */
+                /* 本拍未到周期点：无事可做（有符号差值，半程内回绕安全） */
            }
        }
 #endif