feat(屏板): USART1 700 kbaud + 收中断传输层 sb_link(1-2/1-3)
批 1 的 1-2 / 1-3:把屏板(DTU-LCD)发来的 6 B 帧 A 在 USART1 上稳定收下来。 1-2 波特率:.ioc 不保存任何 UART 的波特率(只有 USART1.IPParameters=VirtualMode),GUI 里改也不落盘,所以只能在 Src/usart.c 的 USER CODE BEGIN USART1_Init 2 区覆盖 huart1.Init.BaudRate 后重调一次 HAL_UART_Init(第二次调用时 gState 已非 RESET,HAL 只重算 BRR、不再跑 MspInit,GPIO/DMA/NVIC 不会被重配)。开机日志实测 BRR=0x0078,与理论值 84 MHz/(16x700 kHz)=7.5 逐位相符,误差 0%。 1-3 收中断:新建 Drivers/BSP/ScreenLink/sb_link.c/h——16 B 缓冲 + IDLE 中断断帧、帧 A 校验、错误中断里按 RM0090 清 ORE/NE/FE/PE、周期统计上报。 HAL_UARTEx_RxEventCallback / HAL_UART_ErrorCallback 是全局单例(唯一实现 在 rs485.c),故只在那里各加一行转发,按句柄过滤放在 sb_link 内。 台架实测(PC + USB 转 TTL 顶替屏板,COM6@700000)撞出两个真问题: - 错误回调里无条件重挂 -> 出现 err=160 / rearm=160 同步增长,看着像每帧 都重挂失败。真因是 HAL 把 NE/FE/PE 归为非阻塞型(接收照跑、RxState 仍是 BUSY_RX),此时 ReceiveToIdle_IT 只会返回 HAL_BUSY。改为仅当 RxState == HAL_UART_STATE_READY(ORE 那类阻塞型)时才重挂。 - 日志字面量里带中文 -> ARMCC #870-D invalid multibyte character sequence。字面量一律纯 ASCII,中文只写注释。 验证:主机单测 81/81 PASSED(test/host/sb_link/,其中按 RM0090 的清除语义 把"必须 SR->DR 顺序才清得掉 ORE"钉成断言);Keil 0 错误 0 警告;台架 rx == 发送帧数、ok == rx、crc=0、len=0、size=6、keys 随按键帧递增;先用 错波特率灌 64 B 垃圾(len=31、bits=0x06)后自动恢复且 rearm=0。 新增 test/host/screenlink_bench.py 作为可复跑的屏板激励(--key / --glitch-baud)。
This commit is contained in:
@@ -344,6 +344,14 @@
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"lines_covered": 108,
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"lines_valid": 112
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},
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"Drivers/BSP/ScreenLink/sb_link.c": {
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"func_rate": 1.0,
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"funcs_covered": 7,
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"funcs_valid": 7,
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"line_rate": 0.9896,
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"lines_covered": 95,
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"lines_valid": 96
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},
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"Drivers/BSP/ScreenLink/sb_proto.c": {
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"func_rate": 1.0,
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"funcs_covered": 6,
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@@ -615,6 +623,14 @@
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"lines_total": 961,
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"ok": true
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},
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"sb_link": {
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"files": {
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"Drivers/BSP/ScreenLink/sb_link.c": 96,
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"Drivers/BSP/ScreenLink/sb_proto.c": 74
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},
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"lines_total": 170,
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"ok": true
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},
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"sb_proto": {
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"files": {
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"Drivers/BSP/ScreenLink/sb_proto.c": 74
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@@ -756,6 +772,7 @@
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"Drivers/BSP/NET/net_socket.c",
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"Drivers/BSP/NETCFG/ftp_cfg.c",
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"Drivers/BSP/NETCFG/net_cfg.c",
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"Drivers/BSP/ScreenLink/sb_link.c",
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"Drivers/BSP/ScreenLink/sb_proto.c",
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"Drivers/BSP/UI/ui_data.c",
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"Drivers/BSP/UI/ui_net_sink.c",
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@@ -763,16 +780,16 @@
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],
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"totals": {
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"files_generated_excluded": 5,
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"files_tested": 47,
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"files_untested": 164,
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"func_rate": 0.9324,
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"funcs_covered": 538,
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"funcs_valid": 577,
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"line_rate": 0.8993,
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"lines_covered": 7132,
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"lines_valid": 7931,
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"modules_ok": 42,
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"modules_total": 42
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"files_tested": 48,
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"files_untested": 165,
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"func_rate": 0.9332,
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"funcs_covered": 545,
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"funcs_valid": 584,
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"line_rate": 0.9003,
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"lines_covered": 7227,
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"lines_valid": 8027,
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"modules_ok": 43,
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"modules_total": 43
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},
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"untested_sources": [
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{
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@@ -821,11 +838,11 @@
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},
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{
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"code_lines": 215,
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"path": "Drivers/BSP/UI/ui_w_setlist.c"
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"path": "App/task/ui_task.c"
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},
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{
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"code_lines": 214,
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"path": "App/task/ui_task.c"
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"code_lines": 215,
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"path": "Drivers/BSP/UI/ui_w_setlist.c"
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},
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{
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"code_lines": 206,
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@@ -864,7 +881,7 @@
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"path": "Drivers/BSP/UI/ui_page_device_info.c"
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},
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{
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"code_lines": 135,
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"code_lines": 142,
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"path": "App/app/app_main.c"
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},
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{
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@@ -916,7 +933,7 @@
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"path": "Drivers/BSP/NET/net_socket.h"
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},
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{
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"code_lines": 79,
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"code_lines": 81,
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"path": "Drivers/BSP/RS485/rs485.c"
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},
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{
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@@ -1043,6 +1060,10 @@
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"code_lines": 33,
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"path": "Drivers/BSP/NET/net_select.h"
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},
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{
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"code_lines": 33,
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"path": "Drivers/BSP/ScreenLink/sb_link.h"
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},
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{
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"code_lines": 33,
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"path": "Drivers/BSP/UI/ui_page_action.h"
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