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-rw-r--r--bsp/stm32/docs/STM32系列外设驱动添加指南.md15
-rw-r--r--bsp/stm32/docs/figures/pulse_encoder_config1.pngbin0 -> 112444 bytes
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diff --git a/bsp/stm32/docs/STM32系列外设驱动添加指南.md b/bsp/stm32/docs/STM32系列外设驱动添加指南.md
index 68afb4bfb4..41ffcecd58 100644
--- a/bsp/stm32/docs/STM32系列外设驱动添加指南.md
+++ b/bsp/stm32/docs/STM32系列外设驱动添加指南.md
@@ -144,3 +144,18 @@
![adc 编译](figures/adc_config3.png)
![adc 编译](figures/adc_config4.png)
+
+#### 5.3.4 编码器外设驱动添加说明
+
+ 1. 打开 STM32CubeMX 工程,设置 TIMER 在 Cube 里的选项,如下图所示:
+
+ ![pulse_encoder CubeMX 配置](figures/pulse_encoder_config1.png)
+
+ 2. 打开 stm32/stm32f407-atk-explorer/board/Kconfig ,添加 Kconfig 选项。选中自己添加的选项后,生成一遍工程,如下图所示:
+
+ ![pulse_encoder Kconfig 配置](figures/pulse_encoder_config2.png)
+
+ 3. 打开工程进行编译,工程会提示 PULSE_ENCODER4_CONFIG 未定义。 可以在 stm32/libraries/HAL_Drivers/config/f4/pulse_encoder_config.h 中进行定义,如下图所示:
+
+ ![pulse_encoder 编译](figures/pulse_encoder_config3.png)
+ ![pulse_encoder 编译](figures/pulse_encoder_config4.png)
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