feat(adc): 新增变比维 r 三维折算,录波段格式升 v2
采样板注入 Ua=5V/Ia=0.5A 读数偏小,根因是固件只输出引脚电压、 缺「端子→引脚」变比。折算改三维: 工程量 = (code + b) × k[µV/码] × 1e-6 × r k 保持 ROM 引脚 LSB,b 为零点,r 为端子变比(int32 Q16)。 变比不能并进 k:UA 端子域 k 达 1.5e5 µV/码、Q16 溢出 int32; r 单独存 Q16 不溢出。两点标定改标 r,k 仍是板级事实。 - 新开单段 [adc_cal_sec](8 键 r_ua..r_in),cfg 段数达 8/8 上限 - 一次变比复用 prot_set 四项,不新开段;r=0 表示本路不折算 - ROM 默认带台架实测变比(电压族 1000、电流族 29.4118), 烧进固件即显二次值;VALID 仍须两点标定,两者互不派生 - eng 判据改「每路要么已配变比、要么削顶不显示」,不再看 VALID - 104 地址 0x8050~0x8057 写 r,run_par_cal_r_set 写值与置脏同函数 - 录波 v2:通道表加 int32 r_q16,头 128→160、整段 5250→5282; code_to_milli 用余数分解换等价单次圆整,20 万组大整数对拍 0 不符 - 文档同步:采集与算法层/通道映射/故障录波/网络配置/配置文件/ 产品需求/内存台账,历史带日期实测数字按冻结口径不改 - 单测 13 套全绿,/keil-build 0 错误 0 警告(256024/31760/ 2080/152368),RAM 实测回填内存内容分配策略 §6.1
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