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readme.txt
================================================================================
样例使用说明
Sample Description
================================================================================
功能描述:
此样例演示了TIM1的编码器接口模式。TIM1配置为编码器接口模式3,PA8和PA9配置为通道1
和通道2,当PA8输入信号的上升沿在前,PA9输入信号上升沿在后时TIM1向上计数,反之向下
计数。开启通道1和通道2的捕获中断,在中断中打印当前CNT值。
Function descriptions:
This sample demonstrates the encoder interface mode of TIM1. TIM1 is configured
in encoder interface mode 3, with PA8 and PA9 configured as channel 1 and
channel 2, respectively. When the rising edge of the input signal on PA8 occurs
before the rising edge of the input signal on PA9, TIM1 counts up; otherwise,
it counts down. The capture interrupts for channel 1 and channel 2 are enabled,
and the current CNT value is printed in the interrupt.
================================================================================
测试环境:
测试用板:PY32F403_STK
MDK版本: 5.28
IAR版本: 9.20
GCC 版本:GNU Arm Embedded Toolchain 10.3-2021.10
Test environment:
Test board: PY32F403_STK
MDK Version: 5.28
IAR Version: 9.20
GCC Version: GNU Arm Embedded Toolchain 10.3-2021.10
================================================================================
使用步骤:
1. 编译下载程序到MCU,并运行
2. 在PA8和PA9输入相位不同的脉冲
3. 连接串口打印当前计数值(不断累加或递减,由输入脉冲时序决定)
Example execution steps:
1.Compile and download the program to the MCU, and then run it.
2.Input pulse signals with different phases on PA8 and PA9.
3.Connect a serial port to print the current count value (it will increment
or decrement based on the timing of the input pulses).
================================================================================
注意事项:
通过USB转TTL模块连接PC与STK板,STK板与USB转TTL模块的连线方式如下;
STK板 USB转TTL模块
PA02(TX) --> RX
PA03(RX) --> TX
GND --> GND
Notes:
The PC is connected to the STK board through the USB-to-TTL module. The
connection between the STK board and the USB-to-TTL module is as follows
STK board USB to TTL module
PA02(TX) --> RX
PA03(RX) --> TX
GND --> GND
================================================================================