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V131R-260725：修正FSSI/FWD显示并优化8VSB频谱分析

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修正FSSI/FWD标定、存储和LCD显示；增强8VSB场同步、MER分析及网页频谱展示；更新版本号与修改记录。
This commit is contained in:
rfeng
2026-07-28 14:05:40 +08:00
parent 296c330197
commit 92b155499d
14 changed files with 1084 additions and 269 deletions
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src/atsc_app/inc/eeprom.h
+5 -1
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@@ -274,7 +274,11 @@ typedef enum
EEPROM_TSOIP2_MAC_M = EEPROM_TSOIP2_MAC_H+1,
EEPROM_TSOIP2_MAC_L = EEPROM_TSOIP2_MAC_M+1,
/* PR13 S4: FWD cal 分别记录 FAGC 控制字与 ORx 数字功率(0.5dB步数)。
只追加在整个枚举末尾,不改动以上任何已有项的数值,保持旧配置文件兼容。*/
EEPROM_AD3_CAL_FAGC_CW = EEPROM_TSOIP2_MAC_L+1,
EEPROM_AD3_CAL_ORX_PWR_H,
EEPROM_AD3_CAL_ORX_PWR_L,
EEPROM_END_ADDRESS = 0X7FFF,
src/atsc_app/inc/lcd_task.h
+6 -11
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@@ -139,16 +139,10 @@
#define CHECK_AGC_MIN_ENUM 100
#define CHECK_AGC_MAX_ENUM 256*10
/* FSSI 量程下沿(dB)。orx_power_combine_db() 的返回值只有相对意义, 由本常量吸收绝对基准。
*
* 旧的 DPD_FSSI_MAX_VALUE/MIN_VALUE 已作废: 它们是线性功率域的阈值, 且 MAX=0x0400
* 恰好等于 ORx AGC 的设定点镜像 fagcpwrlevel*4, 等于把量程顶端钉死在工作点上,
* 这正是 FSSI 恒读 75 的直接原因。
*
* 占位值 0.0f —— 必须由真机扫功率标定填入, 且要按 -20/-18 微调之后的最终显示值来定
* (微调吃掉量程顶部 20%, VHF 38%)。详见
* docs/superpowers/plans/2026-07-18-fssi-fwd-orx-power.md Task 6。 */
#define FSSI_REF_DB 0.0f
/* FSSI 量程: gain index gi_max(弱)->0%, gi_min(强)->100%。
* RTL 钳位下限 195(agc_spi_ctrl_gen.v)。真机扫功率标定后可收窄(Task13 V2)。 */
#define FSSI_GI_MIN 195
#define FSSI_GI_MAX 255
#define EEPROM_BACKUP_PARA_TYPE_NONE 0
#define EEPROM_BACKUP_PARA_TYPE_PREF 1 //工厂默认参数备份
@@ -476,10 +470,11 @@ typedef struct
uint8 rst;
uint8 mptv; //0:lptv 1:mptv //仅AW_ATSC_9X版本中使用
uint8 reserverd1[1];
uint8 cal_fagc_cw; // PR13: FWD cal时刻FAGC控制字高字节(0.5dB/step); 复用原reserverd1[1]; 0xFF=未标定
uint16 max_power;
uint16 ofst; // function == fwd_cal
uint16 cal_orx_pwr_hdb; // PR13: FWD cal时刻ORx数字功率, 归一化到0.5dB的步数(orx_pwr_halfdb输出); 0xFFFF=未标定
}S_ADVANCE3_PARA,*PS_ADVANCE3_PARA;
typedef struct
src/atsc_app/inc/orx_power.h
+12 -9
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@@ -3,9 +3,6 @@
#include "type.h"
/* FSSI 量程: 0~100% 对应 20 dB 的 ORx 输入功率变化 */
#define ORX_FSSI_SPAN_DB 20.0f
/* 把 FAGC 增益字(粗档)与死区内残差(细档)合成为 dB 量纲的 ORx 输入功率。
* fagc_cw : seg1 0x36/0x37, agcctrlword。高字节随输入功率单调递增。
* rms : seg1 0x03/0x04, ob_fb_rms_pwr, 线性功率计数。
@@ -15,14 +12,20 @@ float orx_power_combine_db(uint16 fagc_cw, uint16 rms);
/* 5 点中位数。用于剔除 temp_reg 竞争造成的孤立野值 —— 均值对此无免疫力。 */
uint16 orx_median5(const uint16 *v);
/* p_db -> FSSI 百分比。is_vhf 非 0 时额外套用 EMV7 遗留的 VHF 微调。 */
uint8 orx_fssi_percent(float p_db, float ref_db, int is_vhf);
/* p_db -> FWD 百分比(相对额定功率的真实功率比), 上限 200。 */
uint8 orx_fwd_percent(float p_db, float ref_db);
/* 显示滞回: |now-prev| < 2 时保持 prev。FAGC 一步 0.5 dB = FSSI 2.5%,
* 无滞回时读数会在两个相邻百分比之间来回闪。状态由调用方持有。 */
uint8 orx_fssi_hysteresis(uint8 prev, uint8 now);
/* PR13: gain index -> FSSI%。gi_max(弱信号端)->0%, gi_min(强信号端)->100%,
* 线性映射,四舍五入,越界钳位。gi_min/gi_max 由调用方传入(标定后可收窄)。 */
uint8 orx_fssi_from_gain_index(uint8 gi, uint8 gi_min, uint8 gi_max);
/* PR13: ORx 数字功率 rms -> 0.5dB 步数: round(10*log10(rms)/0.5) = round(20*log10(rms))。
* rms==0 按 1 处理(防 -inf), 返回 0。 */
int16 orx_pwr_halfdb(uint16 rms);
/* PR13: Δ(0.5dB 步数) -> FWD%。100*10^(delta_hdb/20.0), 四舍五入;
* delta_hdb >= 6 返回 200; delta_hdb <= -40 返回 0。返回域 0..200。 */
uint8 orx_fwd_percent_hdb(int16 delta_hdb);
#endif /* ORX_POWER_H_ */
src/atsc_app/inc/pr12_tables.h
Executable
+165
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@@ -0,0 +1,165 @@
/* Auto-generated by Notes/gen_pr12_tables.py -- do not edit.
* Field-sync reference: segment sync + PN511 from pn511_63_gen.vhd,
* psi-shaped, 10 MSPS, no pilot; symbol 0 sits at index PR12_REF_PAD.
* Farrow: 16-tap LS fractional delay, band 0.31 fs, order-5 in mu;
* y(n) = x(n+mu) = sum_j h_j(mu) x(n + PR12_FAR_M0 + j). */
#ifndef PR12_TABLES_H
#define PR12_TABLES_H
#define PR12_REF_LEN 518
#define PR12_REF_PAD 20
#define PR12_REF_NSYM 515
#define PR12_FLD_SAMP 241972 /* round(260416*1430/1539) */
#define PR12_FAR_NTAP 16
#define PR12_FAR_M0 -7 /* first tap offset */
#define PR12_FAR_ORD 5
#define PR12_EL_GAMMA 0.835f
#define PR12_EL_EPS 1e-4f
#define PR12_RATIO_THR 8.0f
static const float pr12_ref_i[518] = {
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};
static const float pr12_ref_q[518] = {
+5.869438406e-03f, -3.864964237e-03f, +5.282910075e-03f, +1.896494813e-02f, -2.216342650e-02f, -2.693448775e-02f, +6.109601632e-02f, +7.630409673e-03f,
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};
static const float pr12_far_c[PR12_FAR_ORD + 1][PR12_FAR_NTAP] = {
{+3.354018923e-08f, -2.505644105e-07f, +1.104461940e-06f, -3.724122809e-06f, +1.061059506e-05f, -2.440078198e-05f, +4.150228296e-05f, +9.999502269e-01f, +4.158691479e-05f, -2.454241977e-05f, +1.076731063e-05f, -3.858284486e-06f, +1.196149342e-06f, -2.998202154e-07f, +5.301984963e-08f, -4.667395474e-09f},
{-7.580488425e-04f, +4.985623825e-03f, -1.924680831e-02f, +5.634386935e-02f, -1.402298380e-01f, +3.272344032e-01f, -8.695707176e-01f, -7.005224455e-02f, +1.001311010e+00f, -4.365161241e-01f, +2.196329758e-01f, -1.061948593e-01f, +4.565654628e-02f, -1.630237750e-02f, +4.361073328e-03f, -6.803556814e-04f},
{+1.401812742e-04f, -1.064217703e-03f, +4.817691726e-03f, -1.707908512e-02f, +5.452774152e-02f, -1.827721574e-01f, +9.247815829e-01f, -1.566794272e+00f, +9.251259406e-01f, -1.833484661e-01f, +5.516540006e-02f, -1.762497434e-02f, +5.190757767e-03f, -1.264634205e-03f, +2.194418918e-04f, -1.899112467e-05f},
{+1.167621393e-03f, -7.632226111e-03f, +2.918189582e-02f, -8.397686066e-02f, +2.014740503e-01f, -4.212788613e-01f, +4.377523260e-01f, +1.092312465e-01f, -6.431726724e-01f, +5.916799479e-01f, -3.252859819e-01f, +1.617086422e-01f, -7.036214090e-02f, +2.527824329e-02f, -6.785754805e-03f, +1.060866781e-03f},
{-1.896077850e-04f, +1.434800163e-03f, -6.460685625e-03f, +2.267605290e-02f, -7.079243114e-02f, +2.209540201e-01f, -4.905859206e-01f, +6.460510253e-01f, -4.910542229e-01f, +2.217377594e-01f, -7.165960197e-02f, +2.341842390e-02f, -6.968029240e-03f, +1.707352531e-03f, -2.973966586e-04f, +2.582659581e-05f},
{-4.590166308e-04f, +2.957080610e-03f, -1.104885925e-02f, +3.048603819e-02f, -6.654401394e-02f, +1.004319663e-01f, -7.113529233e-02f, -4.417948814e-02f, +1.542192637e-01f, -1.693521062e-01f, +1.166207817e-01f, -6.192530518e-02f, +2.770455262e-02f, -1.009415935e-02f, +2.731317519e-03f, -4.290764122e-04f},
};
#endif /* PR12_TABLES_H */